CN114718018A - Construction method for cast-in-place concrete lining of canal - Google Patents
Construction method for cast-in-place concrete lining of canal Download PDFInfo
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- CN114718018A CN114718018A CN202210378668.4A CN202210378668A CN114718018A CN 114718018 A CN114718018 A CN 114718018A CN 202210378668 A CN202210378668 A CN 202210378668A CN 114718018 A CN114718018 A CN 114718018A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/02—Making or lining canals
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Abstract
The invention relates to a construction method for canal cast-in-place concrete lining, which comprises the following steps: laying a track support; installing a truss framework; and installing the lining operating member. The invention has the beneficial effects that: the expansion joint is constructed in time through the joint cutting equipment, so that the transverse joint operation can be completed in the concrete lining plastic stage, the original mode of uniformly cutting the expansion joint after concrete is hardened is changed, and the construction progress of the expansion joint is improved; the river and canal lining construction with various gradients can be met through the gradient regulator; by arranging the sliding plates, the laying fall of the concrete can be reduced, and the aggregate separation caused by overlarge concrete fall can be effectively prevented; the method takes the practical problem of reducing labor for lining the canal concrete as a guide, comprehensively adopts a mechanized operation mode, solves the problems of concrete paving, scraping, joint cutting and the like in the canal lining construction, can meet the requirement of quick operation of the canal concrete lining structure, and has controllable construction quality.
Description
Technical Field
The invention relates to the technical field of cast-in-place construction of canal side slope lining, which is suitable for cast-in-place concrete lining construction of canals in the projects of highways, water conservancy projects and the like.
Background
Along with the gradual increase of engineering investment of river and lake treatment, water transfer, water delivery and the like, the side slope cast-in-place concrete lining structures of rivers, lakesides and water delivery canals are more and more.
The pouring of the canal concrete needs to be divided into strips and then poured in blocks, and the spreading amount of the canal concrete is large; no matter the lining quality or the construction progress, the traditional manual slip form construction process can not meet the engineering requirements, and the manual carrying and paving construction method has the defects of large labor amount, large material loss, large interference of rain and snow weather, low work efficiency and the like.
Meanwhile, after the concrete is poured, the thickness of the concrete at each part is uneven, so that the concrete needs to be strickleed off and cut after the pouring is finished, manpower and material resources are wasted, and the construction cost is high.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a construction method for cast-in-place concrete lining of a canal.
The construction method of the canal cast-in-place concrete lining comprises the following steps:
step 1, laying a track support: leveling the fields of the top surface and the bottom surface of the river and canal side slope; respectively paving tracks on the top surface and the bottom surface of the slope, and installing steel wheels and connecting pieces in the tracks; mounting height adjusting parts on two sides of the track, mounting cross bracing plates at the tops of unified elevations of the connecting parts and the height adjusting parts, and mounting gradient adjusting parts on the cross bracing plates;
step 2, installing a truss framework, wherein the truss framework comprises a left truss, a right truss and a lining truss;
step 4, paving lining concrete by the lining operation member;
Preferably, in step 1: the track supports are respectively arranged on the slope top surface and the slope bottom surface and used as supporting points of the slope top surface and the slope bottom surface, each track support comprises a track arranged on the ground of the slope top surface and the slope bottom surface, and the track is of a steel structure; the connecting piece is used for movably connecting the steel wheel and the rail, the steel wheel is electrically connected with the winch, and the winch is used for driving the steel wheel to move in the rail.
Preferably, in step 1: the height adjusting piece adopts a jack, the elevation of the jack is consistent with that of the top of the connecting piece of the steel wheel, and the jack is used for temporarily supporting the cross supporting plate; the gradient adjusting piece is composed of a plurality of micro jacks, and the gradient adjusting piece enables the upper truss to be at a set gradient by adjusting the heights of the micro jacks.
Preferably, the specific installation mode of the truss framework in the step 2 is as follows:
placing a truss above an original slope surface of a channel slope to be lined in parallel, wherein the truss is divided into a left truss, a right truss and a lining truss; placing a left truss and a right truss on the slope adjusting piece in parallel, and installing truss upper connecting rods at intervals on the tops of the left truss and the right truss to serve as reinforced connecting parts; a reinforcing truss is arranged to serve as a reinforcing structure between the lining truss and the track support;
the inner side of the lining truss is provided with a through long upper rail groove, a truss lower connecting plate and a side plate with a groove; the inner side of the lining truss is provided with transmission groove rods at intervals, wherein a connecting plate at the lower part of the truss and a side plate with a groove are of an integrated structure;
a first notch is reserved in the upper rail groove, a second notch is reserved in the transmission groove rod, and a third notch is reserved in the lower connecting plate of the truss and the side plate with the groove; the lower part of the transmission groove rod is connected with connecting rods arranged at intervals, and the connecting rods are provided with sliding plates which are long and have inward-inclined bottoms.
Preferably, the installation mode of the lining operation member in the step 3 is as follows: the two first notches positioned at the left side and the right side of the upper rail groove are both provided with supporting legs, and ejector rods for connecting the two supporting legs are arranged; welding a steel plate on the ejector rod; the bottom end of the steel plate is provided with a rubber plate connected with the steel plate; rotating shafts are arranged in the second notches on the transmission groove rods at intervals; a rolling shaft is arranged between the two rotating shafts positioned at the left side and the right side of the connecting rod at the upper part of the truss, and a belt is arranged on the rolling shaft; lifting rods are arranged in third notches in the connecting plate at the lower part of the truss and the side plate with the groove, and the bottom parts of the two lifting rods at the left side and the right side of the connecting rod at the upper part of the truss are connected with scraping plates.
Preferably, the support legs are provided with rollers; the belt and the roller synchronously rotate, and the lifting rod is an L-shaped lifting rod.
Preferably, the rolling shaft and the belt are of a through long structure extending from the top surface of the slope to the bottom surface of the slope, and the rolling shaft is made of a hollow steel plate; the height of the scraper is adjusted by a lifting rod, and the bottom of the scraper is positioned at the set elevation of the lining.
Preferably, the concrete manner of laying lining concrete by the lining operation member in the step 4 is as follows:
a first group of motors arranged on the top surface or the bottom surface of the slope drives the rolling shafts to roll, and the rolling shafts drive the belt to transmit; concrete is uniformly and continuously distributed on the belt from the bottom surface of the slope, and the belt drives the concrete to move upwards;
meanwhile, a second group of motors arranged on the top surface or the bottom surface of the slope drives the ejector rod and the support leg, and the ejector rod and the support leg slide in the first notch; the ejector rod drives the rubber plate to move on the upper part of the slope surface, the rubber plate is adjusted to enable the bottom of the rubber plate to be positioned on the top surface of the belt, the rubber plate is slowly and uniformly driven to the top surface of the slope from the bottom surface of the slope, the rubber plate continuously cuts and drops the concrete on the belt, and the dropped concrete is limited to the middle position of the slope surface to be poured by the sliding plate; the lifting rod is driven by a third group of motors to move in the third notch, the lifting rod drives the scraper, and the scraper is slowly and uniformly driven from the bottom surface of the slope to the top surface of the slope; the scraper plate is closely followed the rubber plate, and concrete is leveled until the lining of the whole strip of the canal cast-in-place concrete is at the set elevation.
Preferably, in step 6: the cutter lifting rod is driven by hydraulic pressure to lift.
The beneficial effects of the invention are:
the invention changes the traditional canal lining manual slip form construction mode, carries out the laying, leveling and joint cutting operations of the canal concrete lining in a linkage way, integrates various operation flows, ensures the continuous implementation of a plurality of operations through integrated equipment, and realizes the dynamic regulation and control of the laying process of the canal concrete lining; the whole device is moved quickly through the rail, so that the strip and block construction of canal lining can be realized, and the redundant working time is reduced;
the invention can realize the dynamic regulation and control of the river and canal concrete lining laying process, namely the running speed and the position of the belt, the rubber plate and the hanging plate can be separately controlled, when the concrete on the belt is more, the running speed of a belt roller can be reduced or the advancing speed of the rubber plate can be accelerated by the independent motor, and the falling concrete amount can be ensured to properly meet the required lining consumption of a set elevation; the steel wheel is driven by the winch to move in the track, and drives the upper equipment to move, so that each construction section of the lining equipment is positioned;
the expansion joint is constructed in time through the joint cutting equipment, so that the transverse joint operation can be completed in the concrete lining plastic stage, the original mode of uniformly cutting the expansion joint after concrete is hardened is changed, and the construction progress of the expansion joint is improved; the river and canal lining construction with various gradients can be met through the gradient regulator; by arranging the sliding plates, the laying fall of the concrete can be reduced, and the aggregate separation caused by overlarge concrete fall can be effectively prevented;
the method takes the practical problem of reducing labor for lining the canal concrete as a guide, comprehensively adopts a mechanized operation mode, solves the problems of concrete paving, scraping, joint cutting and the like in the canal lining construction, can meet the requirement of quick operation of the canal concrete lining structure, and has controllable construction quality.
Drawings
FIG. 1 is a longitudinal cross-sectional view of a cast-in-place concrete lining pouring operation for a canal;
FIG. 2 is a transverse cross-sectional view of a cast-in-place concrete lining pouring operation for a canal;
FIG. 3 is a transverse cross-sectional view of a canal cast-in-place concrete lining construction apparatus;
FIG. 4 is a schematic view of a partial cross section of a canal cast-in-place concrete lining placement operation;
FIG. 5 is a transverse cross-sectional view of the canal expansion joint cutting operation;
fig. 6 is a construction flow chart of canal cast-in-place concrete lining.
Description of reference numerals: river channel side slope; 2-original slope surface; 3, lining; 4-sloping top surface; 5-slope bottom surface; 6-track; 7-a steel wheel; 8-a connector; 9-height adjustment; 10-cross bracing plate; 11-a grade adjuster; 12-a reinforcing truss; 13-lining trusses; 14-a left truss; 15-right truss; 16-a driving grooved bar; 17-a second notch; 18-a rotating shaft; 19-a roller; 20-a belt; 21-concrete; 22-upper rail groove; 23-a first notch; 24-a leg; 25-a mandril; 26-steel plate; 27-a rubber plate; 28-connecting rod; 29-a slide down plate; 30-truss lower connecting plates; 31-grooved side plate; 32-a third notch; 33-lifting rods; 34-a scraper; 35-a roller; 36-a tool-holding lever; 37-a cutter lifting rod; 38-a cutter; 39-concrete in the process of falling; 40-truss upper link.
Detailed Description
The present invention will be further described with reference to the following examples. The following examples are set forth merely to aid in the understanding of the invention. It should be noted that, for a person skilled in the art, several modifications can be made to the invention without departing from the principle of the invention, and these modifications and modifications also fall within the protection scope of the claims of the present invention.
As an example, as shown in fig. 1 to 6, a construction method of a canal cast-in-place concrete lining includes the steps of:
step 1, laying a track support: leveling the fields of the slope top surface 4 and the slope bottom surface 5 of the canal side slope 1; respectively paving a track 6 on the top surface 4 and the bottom surface 5 of the slope, and installing a steel wheel 7 and a connecting piece 8 in the track 6; installing height adjusting pieces 9 on two sides of the track 6, installing cross support plates 10 at the tops of unified elevation parts of the connecting pieces 8 and the height adjusting pieces 9, and installing gradient adjusting pieces 11 on the cross support plates 10; the track supports are respectively arranged on the slope top surface 4 and the slope bottom surface 5 and serve as supporting points of the slope top surface 4 and the slope bottom surface 5, each track support comprises a track 6 arranged on the ground of the slope top surface 4 and the slope bottom surface 5, and the track 6 is of a steel structure; the connecting piece 8 is used for movably connecting the steel wheel 7 with the track 6, the steel wheel 7 is electrically connected with the winch, and the winch is used for driving the steel wheel 7 to move in the track 6; the height adjusting piece 9 adopts a jack, the elevation of the jack is consistent with that of the top of the connecting piece 8 of the steel wheel 7, and the jack is used for temporarily supporting the cross supporting plate 10; the gradient adjusting piece 11 consists of a plurality of micro jacks, and the gradient adjusting piece 11 enables the upper truss to be at a set gradient by adjusting the heights of the micro jacks;
step 2, installing a truss framework, wherein the truss framework comprises a left truss 14, a right truss 15 and a lining truss 13:
placing a truss above an original slope surface 2 of a channel side slope 1 to be cast with a lining 3 in parallel, wherein the truss is divided into a left truss 14, a right truss 15 and a lining truss 13; placing a left truss 14 and a right truss 15 on the slope adjusting piece 11 in parallel, and installing truss upper connecting rods 40 at the tops of the left truss 14 and the right truss 15 at intervals as reinforcing connecting parts; a reinforcing truss 12 is arranged as a reinforcing structure between the lining truss 13 and the support of the track 6;
the inner side of the lining truss 13 is provided with a through long upper rail groove 22, a truss lower connecting plate 30 and a side plate 31 with a groove; the inner side of the lining truss 13 is provided with transmission groove rods 16 at intervals, wherein a truss lower connecting plate 30 and a side plate 31 with grooves are of an integrated structure;
a first notch 23 is reserved in the upper rail groove 22, a second notch 17 is reserved in the transmission groove rod 16, and a third notch 32 is reserved in the truss lower connecting plate 30 and the side plate 31 with the groove; the lower part of the transmission grooved rod 16 is connected with connecting rods 28 which are arranged at intervals, and the connecting rods 28 are provided with sliding plates 29 which are long and have inward inclined bottoms;
step 4, paving lining concrete by using a lining operation member:
a first group of motors arranged on the slope top surface 4 or the slope bottom surface 5 drive the rollers 19 to roll, and the rollers 19 drive the belt 20 to transmit; concrete 21 is uniformly and continuously distributed on the belt 20 from the slope bottom surface 5, and the belt 20 drives the concrete 21 to move upwards;
meanwhile, a second group of motors arranged on the slope top surface 4 or the slope bottom surface 5 drives the ejector rod 25 and the supporting leg 24, and the ejector rod 25 and the supporting leg 24 slide in the first notch 23; the ejector rod 25 drives the rubber plate 27 to move on the upper portion of the slope surface, the rubber plate 27 is adjusted to enable the bottom of the rubber plate 27 to be located on the top surface of the belt 20, the rubber plate 27 is slowly and uniformly driven to the top surface 4 of the slope surface from the bottom surface 5 of the slope surface, the rubber plate 27 continuously cuts and drops the concrete 21 on the belt 20, and the falling concrete 39 is limited to the middle position of the slope surface to be poured by the sliding plate 29; the third group of motors drives the lifting rods 33 to move in the third groove openings 32, the lifting rods 33 drive the scraping plates 34, and the scraping plates 34 are slowly and uniformly driven to the top surface 4 of the slope from the bottom surface 5 of the slope; the scraper 34 follows the rubber plate 27 to level the concrete 21 until the lining 3 of the whole strip of the canal cast-in-place concrete is at a set elevation;
Claims (9)
1. A construction method for canal cast-in-place concrete lining is characterized by comprising the following steps:
step 1, laying a track support: leveling the fields of the top surface (4) and the bottom surface (5) of the canal side slope (1); respectively paving a track (6) on the top surface (4) and the bottom surface (5) of the slope, and installing a steel wheel (7) and a connecting piece (8) in the track (6); installing height adjusting pieces (9) on two sides of the track (6), installing cross support plates (10) at the tops of unified elevation positions of the connecting pieces (8) and the height adjusting pieces (9), and installing gradient adjusting pieces (11) on the cross support plates (10);
step 2, installing a truss framework, wherein the truss framework comprises a left truss (14), a right truss (15) and a lining truss (13);
step 3, installing lining operating components, wherein the lining operating components comprise supporting legs (24), ejector rods (25), steel plates (26), rubber plates (27), rotating shafts (18), rolling shafts (19), belts (20), lifting rods (33) and scraping plates (34);
step 4, paving lining concrete by the lining operation member;
step 5, installing a lancing component: when the cutting operation is carried out, the lining operation component is reformed into cutting equipment, and the cutting equipment comprises a cutter fixing rod (36), a cutter lifting rod (37) and a cutter (38); a tool fixing rod (36) is arranged in the third notch (32), two tool lifting rods (37) are symmetrically arranged on the tool fixing rod (36), and each tool lifting rod (37) is connected with a tool (38);
step 6, slitting: the cutter fixing rod (36) is driven to a set lancing position through the motor, the cutter lifting rod (37) drives the cutter (38) to lift up and down, and the cutter (38) cuts the lining (3) which is not completely solidified until the lining (3) forms a seam.
2. The construction method of a canal cast-in-place concrete lining according to claim 1, wherein in step 1: the track supports are respectively arranged on the slope top surface (4) and the slope bottom surface (5) and serve as fulcrums of the slope top surface (4) and the slope bottom surface (5), each track support comprises a track (6) arranged on the ground of the slope top surface (4) and the slope bottom surface (5), and the track (6) is of a steel structure; the connecting piece (8) is used for movably connecting the steel wheel (7) with the track (6), the steel wheel (7) is electrically connected with the winch, and the winch is used for driving the steel wheel (7) to move in the track (6).
3. The construction method of a canal cast-in-place concrete lining according to claim 1, characterized in that in step 1: the height adjusting piece (9) adopts a jack, the elevation of the jack is consistent with that of the top of the connecting piece (8) of the steel wheel (7), and the jack is used for temporarily supporting the cross supporting plate (10); the gradient adjusting piece (11) consists of a plurality of micro jacks, and the gradient adjusting piece (11) enables the upper truss to be at a set gradient by adjusting the heights of the micro jacks.
4. The construction method of the canal cast-in-place concrete lining according to claim 1, wherein the concrete installation mode of the truss framework in the step 2 is as follows:
the method comprises the following steps of (1) parallelly arranging a truss above an original slope surface (2) of a channel side slope (1) to be lined with a lining (3), wherein the truss is divided into a left truss (14), a right truss (15) and a lining truss (13); a left truss (14) and a right truss (15) are arranged on a slope adjusting piece (11) in parallel, and truss upper connecting rods (40) are installed at the tops of the left truss (14) and the right truss (15) at intervals to serve as reinforcing connecting parts; a reinforcing truss (12) is arranged to serve as a reinforcing structure between the lining truss (13) and the track (6) support;
the inner side of the lining truss (13) is provided with a through long upper rail groove (22), a truss lower connecting plate (30) and a side plate (31) with a groove; the inner side of the lining truss (13) is provided with transmission groove rods (16) at intervals, wherein a connecting plate (30) at the lower part of the truss and a side plate (31) with a groove are of an integrated structure;
a first notch (23) is reserved in the upper rail groove (22), a second notch (17) is reserved in the transmission groove rod (16), and a third notch (32) is reserved in the truss lower connecting plate (30) and the side plate (31) with the groove; the lower part of the transmission grooved rod (16) is connected with connecting rods (28) which are arranged at intervals, and a sliding plate (29) which is long and has inward inclined bottom is arranged on the connecting rods (28).
5. The construction method of the canal cast-in-place concrete lining according to claim 1, wherein the installation mode of the lining operation member in the step 3 is specifically: supporting legs (24) are respectively arranged in two first notches (23) positioned at the left side and the right side of the upper rail groove (22), and ejector rods (25) for connecting the two supporting legs (24) are arranged; a steel plate (26) is welded on the ejector rod (25); a rubber plate (27) connected with the steel plate (26) is arranged at the bottom end of the steel plate (26); rotating shafts (18) are arranged in second notches (17) on each transmission grooved rod (16) at intervals; a roller (19) is arranged between the two rotating shafts (18) positioned at the left side and the right side of the connecting rod (40) at the upper part of the truss, and a belt (20) is arranged on the roller (19); lifting rods (33) are arranged in third notches (32) in the connecting plate (30) at the lower part of the truss and the side plate (31) with the groove, and scrapers (34) are connected to the bottoms of the two lifting rods (33) at the left side and the right side of the connecting rod (40) at the upper part of the truss.
6. The construction method of a canal cast-in-place concrete lining according to claim 5, characterized in that: the supporting legs (24) are provided with rollers (35); the belt (20) and the roller (19) rotate synchronously, and the lifting rod (33) is an L-shaped lifting rod (33).
7. The construction method of a canal cast-in-place concrete lining according to claim 5, characterized in that: the rolling shaft (19) and the belt (20) are of a through long structure extending from the slope top surface (4) to the slope bottom surface (5), and the rolling shaft (19) is made of a hollow steel plate (26); the height of the scraper (34) is adjusted by the lifting rod (33), and the bottom of the scraper (34) is positioned at the set calibration height of the lining (3).
8. The construction method of the canal cast-in-place concrete lining according to claim 1, wherein the concrete manner of laying the lining concrete by the lining operation member in the step 4 is as follows:
a first group of motors arranged on the slope top surface (4) or the slope bottom surface (5) drive the rollers (19) to roll, and the rollers (19) drive the belt (20) to transmit; concrete (21) is uniformly and continuously distributed on the belt (20) from the slope bottom surface (5), and the belt (20) drives the concrete (21) to move upwards;
meanwhile, a second group of motors arranged on the slope top surface (4) or the slope bottom surface (5) drives the ejector rods (25) and the supporting legs (24), and the ejector rods (25) and the supporting legs (24) slide in the first notches (23); the ejector rod (25) drives the rubber plate (27) to move on the upper portion of the slope, the rubber plate (27) is adjusted to enable the bottom of the rubber plate (27) to be located on the top surface of the belt (20), the rubber plate (27) is slowly and uniformly driven to the top surface of the slope (4) from the bottom surface of the slope (5), the rubber plate (27) continuously cuts and drops the concrete (21) on the belt (20), and the dropped concrete (39) is limited to the middle position of the slope to be poured by the sliding plate (29); a third group of motors drives the lifting rods (33) to move in the third notch (32), the lifting rods (33) drive the scraper (34), and the scraper (34) is slowly and uniformly driven to the slope top surface (4) from the slope bottom surface (5); the screed (34) follows the rubber slab (27) and levels the concrete (21) until the lining (3) of the entire strip of canal cast-in-place concrete is at a set elevation.
9. The construction method of a canal cast-in-place concrete lining according to claim 1, wherein in step 6: the cutter lifting rod (37) is driven by hydraulic pressure to lift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210378668.4A CN114718018B (en) | 2022-04-08 | 2022-04-08 | Construction method of cast-in-place concrete lining of canal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210378668.4A CN114718018B (en) | 2022-04-08 | 2022-04-08 | Construction method of cast-in-place concrete lining of canal |
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| CN114718018A true CN114718018A (en) | 2022-07-08 |
| CN114718018B CN114718018B (en) | 2023-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH598429A5 (en) * | 1975-12-18 | 1978-04-28 | Weibel Hans Ag | Frame for applying concrete liner to excavated canal |
| CN2918535Y (en) * | 2006-12-06 | 2007-07-04 | 中国水利水电第十一工程局 | Up-down carriage pulling device for large span integrated channel concrete pouring machine |
| CN101250877A (en) * | 2007-10-19 | 2008-08-27 | 秦瑞青 | Sliding form parallel translation concrete lining machine as well as construction method thereof |
| CN102286960A (en) * | 2011-05-11 | 2011-12-21 | 韩其华 | Synchronous parting device for full-cross-section multifunctional channel concrete lining machine |
| CN107672003A (en) * | 2017-08-28 | 2018-02-09 | 新疆北方建设集团有限公司 | The section concrete of channel half is wet to cut machine |
| CN111764346A (en) * | 2020-07-20 | 2020-10-13 | 河南水建集团有限公司 | Canal lining system |
| CN215329719U (en) * | 2021-01-27 | 2021-12-28 | 河北科信博工程机械制造有限公司 | Slope cloth paver |
-
2022
- 2022-04-08 CN CN202210378668.4A patent/CN114718018B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH598429A5 (en) * | 1975-12-18 | 1978-04-28 | Weibel Hans Ag | Frame for applying concrete liner to excavated canal |
| CN2918535Y (en) * | 2006-12-06 | 2007-07-04 | 中国水利水电第十一工程局 | Up-down carriage pulling device for large span integrated channel concrete pouring machine |
| CN101250877A (en) * | 2007-10-19 | 2008-08-27 | 秦瑞青 | Sliding form parallel translation concrete lining machine as well as construction method thereof |
| CN102286960A (en) * | 2011-05-11 | 2011-12-21 | 韩其华 | Synchronous parting device for full-cross-section multifunctional channel concrete lining machine |
| CN107672003A (en) * | 2017-08-28 | 2018-02-09 | 新疆北方建设集团有限公司 | The section concrete of channel half is wet to cut machine |
| CN111764346A (en) * | 2020-07-20 | 2020-10-13 | 河南水建集团有限公司 | Canal lining system |
| CN215329719U (en) * | 2021-01-27 | 2021-12-28 | 河北科信博工程机械制造有限公司 | Slope cloth paver |
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|---|---|
| CN114718018B (en) | 2023-08-08 |
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