CN111648306A - Concrete paving device for canal lining - Google Patents
Concrete paving device for canal lining Download PDFInfo
- Publication number
- CN111648306A CN111648306A CN202010703793.9A CN202010703793A CN111648306A CN 111648306 A CN111648306 A CN 111648306A CN 202010703793 A CN202010703793 A CN 202010703793A CN 111648306 A CN111648306 A CN 111648306A
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- truss
- walking
- telescopic
- fixed
- concrete paving
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- 230000009471 action Effects 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims description 35
- 238000007790 scraping Methods 0.000 claims description 7
- 230000007480 spreading Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 9
- 230000033001 locomotion Effects 0.000 description 6
- 239000002689 soil Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/121—Devices for applying linings on banks or the water bottom
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses a concrete paving device for canal lining, which solves the problem of low concrete paving efficiency in the prior art. The invention comprises an upper rail paved on the upper part of a channel and a lower rail paved on the bottom of the channel, wherein telescopic trusses are arranged on the upper rail and the lower rail, a paver head capable of moving relative to the telescopic trusses is arranged on the telescopic trusses, and a winch for driving the paver head to move along the telescopic trusses is arranged on the telescopic trusses. The telescopic truss comprises a fixed truss and a sliding truss, the sliding truss is arranged in the fixed truss and slides along the fixed truss through a telescopic oil cylinder, and the winch is arranged on the fixed truss. The paver head of the invention can move transversely on the slope along the telescopic truss under the action of the winch, and simultaneously the telescopic truss can move along the upper track and the lower track under the action of the driving device to move longitudinally on the slope, thereby realizing the paving operation of the whole construction surface, realizing the uniform paving of the concrete and ensuring the paving quality.
Description
Technical Field
The invention relates to the technical field of river levee and channel construction, in particular to a concrete paving device for lining a channel.
Background
The existing river levee and channel often have the problem of water and soil loss, and the phenomenon of river levee collapse is easy to occur after the river levee and channel are used for a long time. The existing common method is to reinforce the river bank through the river bank protection slope, which can protect the river bank from water and soil loss, prevent the river bank from collapsing and improve the strength of the river bank. In the prior art, the measures adopted by people are that the river bank protection slope is directly made into concrete and integrally poured, so that the soil loss amount can be effectively reduced, and the structural strength of the river bank meets the requirements. After excavating channels and river banks, after the slope surface is lined with cast-in-place concrete, the slope surface concrete needs to be paved and finished. The existing paving mode is that a paver is manually pushed to pave in a reciprocating manner, so that the labor amount is large, the working efficiency is low, the lining quality is difficult to guarantee to be uniform, and the long-term use of river levees and channels is not facilitated.
Disclosure of Invention
Aiming at the defects in the background art, the invention provides a concrete paving device for canal lining, which solves the problem of low concrete paving efficiency in the prior art.
The technical scheme of the invention is realized as follows: the concrete paving device for the channel lining comprises an upper rail paved on the upper portion of a channel and a lower rail paved on the bottom of the channel, wherein telescopic trusses are arranged on the upper rail and the lower rail, a paving machine head capable of moving relative to the telescopic trusses is arranged on each telescopic truss, and a winch for driving the paving machine head to move along the telescopic trusses is arranged on each telescopic truss.
The telescopic truss comprises a fixed truss and a sliding truss, the sliding truss is arranged in the fixed truss and slides along the fixed truss through a telescopic oil cylinder, and the winch is arranged on the fixed truss.
The fixed truss is connected with the lower rail through a walking type gradient adjusting mechanism I, and the sliding truss is connected with the upper rail through a walking type gradient adjusting mechanism II.
The walking type slope adjusting mechanism I and the walking type slope adjusting mechanism II comprise walking beams, walking pieces matched with the upper rails or the lower rails are arranged on the lower portions of the walking beams, lifting adjusting pieces are arranged on the upper portions of the walking beams, the lifting adjusting pieces are hinged with the fixed truss or the sliding truss respectively, and the lifting adjusting pieces are connected with the fixed truss or the sliding truss through adjusting rods.
The walking part is a walking wheel which is connected with a driving device arranged on the walking beam; the lifting adjusting piece is a telescopic oil cylinder. The adjusting rod, the lifting adjusting piece and the corresponding fixed truss or the sliding truss form a triangular supporting member.
The driving paving machine head comprises a support frame and a first walking frame capable of moving relative to the telescopic truss, the support frame is connected with the first walking frame through a slewing mechanism, and two scraping plates are symmetrically arranged at the lower part of the support frame.
The slewing mechanism comprises a driving motor arranged on the first walking frame and a turntable arranged on the supporting frame, and the turntable is connected with the driving motor through a gear transmission mechanism.
And rollers are symmetrically arranged on the first walking frame, are matched with the telescopic truss and move along the telescopic truss under the action of the winch.
The paver head of the invention moves up and down (transversely) on the slope along the telescopic truss under the action of the winch, and simultaneously the telescopic truss can move along the upper track and the lower track under the action of the driving device to move longitudinally on the slope, thereby realizing the paving operation of the whole construction surface. The machine head can flexibly rotate and adjust the paving thickness, and is used for scraping and conveying concrete to different positions, so that the concrete can be uniformly paved, and the paving quality and the paving efficiency can be improved. The telescopic truss can adjust the height in the height direction and the length in the length direction, and the height adjustment and the length adjustment are matched to realize the adjustment of the gradient of the telescopic truss so as to adapt to the lining of channels with different widths and different gradients. The invention has simple structure and ingenious design, can carry out integral high-efficiency paving on the river levee and the channel, has more flexible construction mode, improves the construction safety factor, is a great innovation for the construction of the lining of the slope surfaces of the river levee, the channel and the like, and has higher market value.
Drawings
In order to illustrate the embodiments of the invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the invention, and that other drawings may be derived from those drawings by a person skilled in the art without inventive effort.
FIG. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a view from a-a in fig. 1.
Fig. 3 is a schematic view of the working state of the paver head.
FIG. 4 is a side schematic view of a paver head.
FIG. 5 is a schematic front view of a paver head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, embodiment 1 is a concrete paving apparatus for canal lining, comprising an upper track 1 laid on an upper portion of a canal 100 and a lower track 2 laid on a bottom portion of the canal 100, the upper track 1 and the lower track 2 being arranged in parallel. The upper track 1 and the lower track 2 are provided with telescopic trusses 3, the telescopic trusses can move along the upper track 1 and the lower track 2 under the action of the driving device, the telescopic trusses can adjust the height in the height direction and the length in the length direction, and the height adjustment and the length adjustment are matched to realize the adjustment of the gradient of the telescopic trusses. The spreading machine head 4 capable of moving relative to the telescopic truss 3 is arranged on the telescopic truss 3, and the winch 5 for driving the spreading machine head 4 to move along the telescopic truss 3 is arranged on the telescopic truss 3. The hoist engine adopts electric hoist engine, and electric hoist engine's haulage rope is walked around the fixed pulley that sets up on telescopic truss and is connected with the aircraft nose that paves, and under the effect of hoist engine, the aircraft nose that paves carries out up-and-down motion (lateral motion) on domatic along telescopic truss 3, and telescopic truss can be followed track 1 and track 2 motion down under drive arrangement's effect simultaneously, carries out longitudinal motion on domatic, and then realizes the operation of paving to whole construction face.
Further, the telescopic truss 3 comprises a fixed truss 3-1 and a sliding truss 3-2, the sliding truss 3-2 is arranged in the fixed truss 3-1, the sliding truss is matched with the fixed truss, and the telescopic truss can move along the fixed truss and the sliding truss. The sliding truss can be stretched and retracted relative to the fixed truss, namely the sliding truss slides along the fixed truss 3-1 through the telescopic oil cylinder 3-3 and is used for adjusting the overall length of the telescopic truss so as to adapt to the lining of channels with different widths and different gradients. The winch 5 is arranged on the fixed truss 3-1, and the stability of the winch is improved. The fixed truss 3-1 is connected with the lower track 2 through a walking type gradient adjusting mechanism I6, and the sliding truss 3-2 is connected with the upper track 1 through a walking type gradient adjusting mechanism II 7. The walking type gradient adjusting mechanism I6 and the walking type gradient adjusting mechanism II 7 are matched to drive the telescopic truss to move along the up-and-down track, and then the left-and-right movement of the paver head is realized, so that the paver head can carry out comprehensive construction on the slope surface of the channel. The walking type gradient adjusting mechanism I6 and the walking type gradient adjusting mechanism II 7 are respectively positioned at two ends of the telescopic truss, and the gradient adjustment (inclination angle adjustment) is realized through the adjustment of the heights of the two ends of the telescopic truss, so that the walking type gradient adjusting mechanism is suitable for channel construction with different gradients.
Further, as shown in fig. 2, the walking type slope adjusting mechanism i 6 and the walking type slope adjusting mechanism ii 7 both include a walking beam 6-1, a walking member 6-2 matched with the upper rail 1 is disposed on the lower portion of the walking beam 6-1 of the walking type slope adjusting mechanism i 6, a walking member 6-2 matched with the lower rail 2 is disposed on the lower portion of the walking beam 6-1 of the walking type slope adjusting mechanism ii 7, the walking member 6-2 is a walking wheel, the walking wheel is connected with a driving device 6-5 disposed on the walking beam 6-1, the driving device drives the walking wheel to move along the upper and lower rails, and then the walking type slope adjusting mechanism i 6 and the walking type slope adjusting mechanism ii 7 drive the telescopic truss to move. The driving means 6-5 may be an electric motor or a motor. The upper part of the walking beam 6-1 is provided with a lifting adjusting part 6-3, the lifting adjusting part 6-3 can adopt a telescopic oil cylinder or a shaft-shaft sleeve mechanism, and when the shaft-shaft sleeve mechanism is adopted, a shaft is matched with pin holes arranged in a row on a shaft sleeve through a pin shaft to realize the height adjustment of the shaft. The lifting adjusting piece 6-3 is hinged with the fixed truss 3-1 or the sliding truss 3-2 respectively, and the lifting adjusting piece 6-3 is connected with the fixed truss 3-1 or the sliding truss 3-2 through an adjusting rod 6-4. Namely, one end of an adjusting rod 6-4 on the fixed truss 3-1 is hinged with a lifting adjusting piece positioned on one side of the fixed truss, the other end is hinged with the fixed truss, one end of an adjusting rod 6-4 on the sliding truss 3-2 is hinged with the lifting adjusting piece positioned on one side of the sliding truss, and the other end is hinged with the sliding truss. When the height of the telescopic truss needs to be adjusted, the lifting adjusting piece stretches and retracts to drive the corresponding fixed truss or the sliding truss to move up and down, when the telescopic truss moves to a proper position, the telescopic truss is fixed through the adjusting rod, the telescopic truss is fixed and subjected to gradient adjustment, the adjusting rod can adopt a screw rod with external threads, and then the telescopic truss is fixed through a nut. The adjusting rod 6-4, the lifting adjusting piece 6-3 and the corresponding fixed truss 3-1 or the sliding truss 3-2 form a triangular supporting member, and the stability of the telescopic truss is improved.
As shown in fig. 3, 4 and 5, in embodiment 2, the concrete paving device for canal lining includes a paver head 41, which includes a support frame 41-2 and a first traveling frame 41-1 capable of moving relative to a telescopic truss 3, wherein rollers 41-7 are symmetrically disposed on the first traveling frame 41-1, and the rollers 41-7 are matched with the telescopic truss 3 and move along the telescopic truss 3 under the action of a winch 5. Namely, under the action of a winch, the first walking frame moves along the telescopic truss through the roller, so that the first walking frame transversely moves above the channel slope surface, and then the spreading truss moves along the upper and lower rails to drive the spreading machine head to longitudinally move above the channel slope surface. The support frame 41-2 is connected with the first walking frame 41-1 through a swing mechanism, the support frame is rotatably connected with the first walking frame, rotation of the support frame relative to the first walking frame is achieved, and the paving machine head can flexibly rotate and is used for scraping concrete to different positions to achieve uniform paving of the concrete. The lower portion of the support frame 41-2 is symmetrically provided with two scraping plates 41-3, the two scraping plates are fixed to the lower portion of the support frame, the height of the telescopic truss is adjusted through the walking type gradient adjusting mechanism I6 and the walking type gradient adjusting mechanism II 7, the distance between the scraping plates and a concrete surface is further adjusted, and paving of concrete with different thicknesses is achieved. Preferably, the revolving mechanism comprises a driving motor 41-4 arranged on the first traveling frame 41-1 and a rotating disc 41-5 arranged on the supporting frame 41-2, the rotating disc is fixedly connected with the supporting frame, the supporting frame and the rotating disc synchronously rotate, and the rotating disc 41-5 is connected with the driving motor 41-4 through a gear transmission mechanism 41-6, namely, the driving motor drives the rotating disc to rotate through the gear transmission mechanism, and then the supporting frame drives the scraper to synchronously rotate for uniformly flattening the concrete. The paving machine head can do reciprocating motion from top to bottom and from bottom to top relative to the slope surface of the channel to evenly flatten the concrete.
The other structure is the same as embodiment 1.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a concrete paving device for canal lining which characterized in that: including laying last track (1) on channel (100) upper portion and laying lower track (2) in channel (100) bottom, go up and be equipped with flexible truss (3) on track (1) and lower track (2), spreading aircraft nose (4) that can flexible truss (3) relatively removed on flexible truss (3), be equipped with hoist engine (5) that drive spreading aircraft nose (4) moved along flexible truss (3) on flexible truss (3).
2. The concrete paving apparatus for canal lining according to claim 1, wherein: the telescopic truss (3) comprises a fixed truss (3-1) and a sliding truss (3-2), the sliding truss (3-2) is arranged in the fixed truss (3-1) and slides along the fixed truss (3-1) through a telescopic oil cylinder (3-3), and the winch (5) is arranged on the fixed truss (3-1).
3. The concrete paving apparatus for canal lining according to claim 2, wherein: the fixed truss (3-1) is connected with the lower track (2) through a walking type gradient adjusting mechanism I (6), and the sliding truss (3-2) is connected with the upper track (1) through a walking type gradient adjusting mechanism II (7).
4. The concrete paving apparatus for canal lining according to claim 3, wherein: the walking type gradient adjusting mechanism I (6) and the walking type gradient adjusting mechanism II (7) respectively comprise walking beams (6-1), walking pieces (6-2) matched with the upper track (1) or the lower track (2) are arranged on the lower portions of the walking beams (6-1), lifting adjusting pieces (6-3) are arranged on the upper portions of the walking beams (6-1), the lifting adjusting pieces (6-3) are hinged with the fixed trusses (3-1) or the sliding trusses (3-2) respectively, and the lifting adjusting pieces (6-3) are connected with the fixed trusses (3-1) or the sliding trusses (3-2) through adjusting rods (6-4).
5. The concrete paving apparatus for canal lining according to claim 4, wherein: the walking piece (6-2) is a walking wheel, and the walking wheel is connected with a driving device (6-5) arranged on the walking beam (6-1); the lifting adjusting piece (6-3) is a telescopic oil cylinder.
6. The concrete paving apparatus for canal lining according to claim 5, wherein: the adjusting rod (6-4), the lifting adjusting piece (6-3) and the corresponding fixed truss (3-1) or the sliding truss (3-2) form a triangular supporting member.
7. The concrete paving device for canal lining according to any one of claims 1 to 6, wherein: the driving paving machine head (4) comprises a support frame (41-2) and a first walking frame (41-1) capable of moving relative to the telescopic truss (3), the support frame (41-2) is connected with the first walking frame (41-1) through a rotary mechanism, and two scraping plates (41-3) are symmetrically arranged at the lower part of the support frame (41-2).
8. The concrete paving apparatus for canal lining according to claim 7, wherein: the slewing mechanism comprises a driving motor (41-4) arranged on the first walking frame (41-1) and a turntable (41-5) arranged on the support frame (41-2), and the turntable (41-5) is connected with the driving motor (41-4) through a gear transmission mechanism (41-6).
9. The concrete paving apparatus for canal lining according to claim 8, wherein: the first walking frame (41-1) is symmetrically provided with rollers (41-7), the rollers (41-7) are matched with the telescopic truss (3), and the rollers move along the telescopic truss (3) under the action of the winch (5).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020106987258 | 2020-07-20 | ||
| CN202010698725 | 2020-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111648306A true CN111648306A (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010703793.9A Pending CN111648306A (en) | 2020-07-20 | 2020-07-21 | Concrete paving device for canal lining |
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| CN (1) | CN111648306A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764346A (en) * | 2020-07-20 | 2020-10-13 | 河南水建集团有限公司 | Canal lining system |
| CN113389177A (en) * | 2021-06-29 | 2021-09-14 | 济宁市福瑞得机械有限公司 | Slope cloth spreading machine with freely adjustable length |
| CN113389166A (en) * | 2021-06-29 | 2021-09-14 | 范超凡 | Slope protection brick supply device |
| CN114789775A (en) * | 2022-04-20 | 2022-07-26 | 广东省水利水电第三工程局有限公司 | Spreading equipment for bank protection in ultra-deep dynamic water area |
| CN115045302A (en) * | 2022-06-30 | 2022-09-13 | 中冶建工集团有限公司 | Concrete rolling equipment for ramp |
| CN115125796A (en) * | 2022-07-19 | 2022-09-30 | 中交一公局集团有限公司 | Laser ultrasonic paver and construction process thereof |
| CN115233619A (en) * | 2022-07-15 | 2022-10-25 | 浙江省围海建设集团股份有限公司 | Concrete paver and concrete slope protection construction method |
| CN116122222A (en) * | 2023-04-19 | 2023-05-16 | 惠民县城乡水务发展服务中心 | River course bank protection building device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1103659A2 (en) * | 1999-11-26 | 2001-05-30 | WIRTGEN GmbH | Slipform machine |
| CN2900622Y (en) * | 2006-04-26 | 2007-05-16 | 陕西建设机械股份有限公司 | Large canal lining machine |
| CN201232341Y (en) * | 2008-06-03 | 2009-05-06 | 台州市建设工程机械厂 | Frame adjusting device in slope concrete finishing machine |
| CN202559305U (en) * | 2012-05-11 | 2012-11-28 | 山东路得威工程机械制造有限公司 | Water channel slope surface substrate lining compacting machine |
| CN205152788U (en) * | 2015-11-27 | 2016-04-13 | 长安大学 | But telescopic bridge testing platform of antihunting |
| CN212612285U (en) * | 2020-07-20 | 2021-02-26 | 河南水建集团有限公司 | Concrete paving device for canal lining |
-
2020
- 2020-07-21 CN CN202010703793.9A patent/CN111648306A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1103659A2 (en) * | 1999-11-26 | 2001-05-30 | WIRTGEN GmbH | Slipform machine |
| CN2900622Y (en) * | 2006-04-26 | 2007-05-16 | 陕西建设机械股份有限公司 | Large canal lining machine |
| CN201232341Y (en) * | 2008-06-03 | 2009-05-06 | 台州市建设工程机械厂 | Frame adjusting device in slope concrete finishing machine |
| CN202559305U (en) * | 2012-05-11 | 2012-11-28 | 山东路得威工程机械制造有限公司 | Water channel slope surface substrate lining compacting machine |
| CN205152788U (en) * | 2015-11-27 | 2016-04-13 | 长安大学 | But telescopic bridge testing platform of antihunting |
| CN212612285U (en) * | 2020-07-20 | 2021-02-26 | 河南水建集团有限公司 | Concrete paving device for canal lining |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764346A (en) * | 2020-07-20 | 2020-10-13 | 河南水建集团有限公司 | Canal lining system |
| CN113389177A (en) * | 2021-06-29 | 2021-09-14 | 济宁市福瑞得机械有限公司 | Slope cloth spreading machine with freely adjustable length |
| CN113389166A (en) * | 2021-06-29 | 2021-09-14 | 范超凡 | Slope protection brick supply device |
| CN114789775A (en) * | 2022-04-20 | 2022-07-26 | 广东省水利水电第三工程局有限公司 | Spreading equipment for bank protection in ultra-deep dynamic water area |
| CN115045302A (en) * | 2022-06-30 | 2022-09-13 | 中冶建工集团有限公司 | Concrete rolling equipment for ramp |
| CN115233619A (en) * | 2022-07-15 | 2022-10-25 | 浙江省围海建设集团股份有限公司 | Concrete paver and concrete slope protection construction method |
| CN115233619B (en) * | 2022-07-15 | 2024-05-28 | 浙江省围海建设集团股份有限公司 | Concrete paver and concrete slope protection construction method |
| CN115125796A (en) * | 2022-07-19 | 2022-09-30 | 中交一公局集团有限公司 | Laser ultrasonic paver and construction process thereof |
| CN116122222A (en) * | 2023-04-19 | 2023-05-16 | 惠民县城乡水务发展服务中心 | River course bank protection building device |
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