CN113026486A - Concrete pouring device for highway construction and use method thereof - Google Patents
Concrete pouring device for highway construction and use method thereof Download PDFInfo
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- CN113026486A CN113026486A CN202110204536.5A CN202110204536A CN113026486A CN 113026486 A CN113026486 A CN 113026486A CN 202110204536 A CN202110204536 A CN 202110204536A CN 113026486 A CN113026486 A CN 113026486A
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- concrete
- supporting plate
- sliding seat
- fixedly connected
- shaping supporting
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/46—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing and placing the materials, e.g. slurry seals
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/46—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing and placing the materials, e.g. slurry seals
- E01C19/47—Hydraulic cement concrete mixers combined with distributing means specially adapted for road building
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/46—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing and placing the materials, e.g. slurry seals
- E01C19/47—Hydraulic cement concrete mixers combined with distributing means specially adapted for road building
- E01C19/475—Distributing means therefor, e.g. boom-and-bucket arrangements
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
- E01C19/4833—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with tamping or vibrating means for consolidating or finishing, e.g. immersed vibrators, with or without non-vibratory or non-percussive pressing or smoothing means
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention relates to the technical field of civil and architectural engineering, in particular to a concrete pouring device for highway construction. The technical problems to be solved by the invention are that the gas doped in the concrete is difficult to discharge, the concrete is difficult to be evenly scraped, the working efficiency is reduced, and the labor intensity is higher. In order to solve the technical problems, the invention provides a concrete pouring device for road construction, which consists of a loading vehicle, a stirring tank, a compaction mechanism, a transmission mechanism and a leveling mechanism, wherein the compaction mechanism compacts the stacked concrete and extrudes a large amount of doped gas in the concrete, so that the doped gas is prevented from damaging the internal mechanism of the concrete, the quality of the poured concrete is poor, the quality of the poured concrete is improved, and the scraper can level the surface of the compacted concrete fluid through the reciprocating motion of the leveling mechanism, thereby improving the smoothness of the concrete pouring and the pouring quality.
Description
Technical Field
The invention relates to the field of civil and architectural engineering, in particular to a concrete pouring device for highway construction and a using method thereof.
Background
With the rapid development of economy, the rapid increase of traffic volume and the requirement of people for convenient travel, the construction quality of roads needs to be improved, and meanwhile, the construction period needs to be shortened as much as possible so as to reduce the influence on the travel of people.
A conventional patent (publication No. CN107574738B) discloses a concrete pouring device for road construction, which can heat water inside the device and stir concrete with the heated water, and the heated water heats the concrete at a discharge port in the process of flowing to a stirring cavity, so as to prevent the concrete from freezing due to low temperature, and the device can scrape the concrete falling from the discharge port, thereby improving the working efficiency. In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved: 1. in the process of pouring concrete, the device is easy to dope a large amount of gas in the concrete, so that the quality of concrete pouring is reduced; 2. when the device is used, the concrete is difficult to be evenly scraped; 3. the device can only be used for scraping concrete once, so that the surface of the concrete is easily uneven, construction and leveling are needed again manually, the efficiency is low, and the working strength is high; 4. although other existing concrete devices adopt a flattening and extruding exhaust structure in a combined mode, double driving equipment is needed to achieve two different actions, extra driving motors and coordination control mechanisms need to be equipped, and system reliability cannot be guaranteed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a concrete pouring device for highway construction and a use method thereof, and solves the problems that the existing concrete pouring device for highway construction is difficult to discharge gas doped in concrete, is difficult to evenly scrape the concrete, reduces the working efficiency and has higher labor intensity.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a concrete placement device for highway construction, includes the load wagon, the top fixedly connected with agitator tank of load wagon left end, the left bottom fixedly connected with design layer board of agitator tank outer wall, the right-hand member swing joint at design layer board top has compacting mechanism, the centre fixedly connected with drive mechanism of department at design layer board top, the inside left end swing joint of design layer board has the mechanism of strickleing off, and the driven wheel surface activity of compacting mechanism rear side has cup jointed driving belt, driving belt's one end activity is cup jointed on the action wheel of drive mechanism rear side, the gear of drive mechanism front side meshes with the gear of strickleing off the mechanism right side mutually.
Preferably, the compacting mechanism includes the spout, the right-hand member at design layer board top is seted up to the spout, the inside left side of spout is rotated and is connected with first reciprocal lead screw, the inside right side fixedly connected with gag lever post of spout, first slide has been cup jointed in the one end activity of first reciprocal lead screw outer wall, the fixed grafting in middle department at first slide top has first telescopic link, the bottom of first telescopic link runs through the bottom of first slide and extends to the inside of design layer board, and the bottom fixedly connected with compaction piece of first telescopic link.
Preferably, drive mechanism includes double-end motor, double-end motor's bottom fixed connection is in the centre department at design layer board top, the first transmission shaft of output fixedly connected with of double-end motor front side, the top of design layer board is rotated and is connected with the second transmission shaft, the gear and the left gear of second transmission shaft mesh mutually of first transmission shaft front side.
Preferably, strickle mechanism includes three bar groove, and is three the bar groove is all seted up at the top of design layer board inner wall, middle department the inside in bar groove is rotated and is connected with the reciprocal lead screw of second, both sides around the inside equal fixedly connected with guide bar in bar groove, the second slide has been cup jointed in the outer wall activity of the reciprocal lead screw of second, the left and right sides of second slide bottom all articulates there is the second telescopic link, the inside bottom of second slide articulates there is the strickle board, the bottom of second telescopic link is articulated with the top of strickle board.
Preferably, the rear side of agitator tank top is opened and is equipped with the feed inlet, and the discharge gate of agitator tank inner wall bottom is provided with the dodge gate.
Preferably, the flanges on the front side and the rear side of the top of the second sliding seat are movably sleeved on the outer walls of the two guide rods respectively, and the second sliding seat is arranged inside the shaping supporting plate.
Preferably, the number of the second telescopic rods is six, and the six second telescopic rods are uniformly arranged on the left side and the right side of the bottom of the second sliding seat.
Preferably, the use method of the concrete pouring device for road construction comprises the following steps:
s1: the user adds concrete raw materials and water to its inside from the feed inlet of agitator tank top rear side to stir the mixture and form the concrete, open the dodge gate of agitator tank inner wall bottom and make the concrete that stirs fall on the inside left end of topography layer board, and start the load wagon and slowly advance forward, start double-end motor simultaneously, through the transmission of driving belt and first transmission shaft and second transmission shaft, drive the reciprocal lead screw rotation of first reciprocal lead screw and second respectively.
S2: first reciprocal lead screw rotates and drives first slide and carry out reciprocating motion around inside the spout, starts first telescopic link simultaneously and repeatedly stretches out and draws back for the compaction piece extrudees the concrete, extrudees out the gas of the inside doping of concrete, and carries out preliminary flattening with the inside left end accumulational concrete of design layer board, and the load wagon goes forward in step.
S3: the scraping plate is under the cooperation telescopic link of the second telescopic link of the left and right sides, the left and right inclination direction of the control scraping plate, the second reciprocating lead screw drives the second slide to carry out left and right reciprocating motion, the second slide of reciprocating motion drives the scraping plate to also carry out reciprocating motion, the concrete surface that preliminary flattens carries out the accurate scraping of secondary for the roughness on concrete surface reaches engineering requirement, improves work efficiency, and repeated above-mentioned action can be continuous carries out concrete placement.
Advantageous effects
The invention provides a concrete pouring device for highway construction and a using method thereof. Compared with the prior art, the method has the following beneficial effects:
(1) according to the invention, the single driving structure is used for realizing the actions of gas extrusion and discharge and multi-row synchronous rolling, so that the cost of the driving mechanism is saved, and the working reliability of the system can be improved.
(2) According to the concrete pouring device for highway construction and the using method thereof, the concrete piled together is compacted through the compacting mechanism, a large amount of doped gas in the concrete is extruded out, the doped gas is prevented from damaging the internal mechanism of the concrete, the quality of the poured concrete is poor, and the quality of the poured concrete is improved.
(3) According to the concrete pouring device for highway construction and the using method thereof, the scraper can scrape the surface of the compacted concrete fluid through the reciprocating motion of the scraping mechanism, so that the flatness and the pouring quality of concrete pouring are improved.
(4) According to the concrete pouring device for highway construction and the using method thereof, the compacting mechanism and the strickling mechanism are matched for use, the strickling work efficiency can be greatly improved, manual reworking is avoided for strickling the concrete surface again, and the labor intensity of workers is reduced.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a front view in section of a portion of the structure of the present invention;
fig. 3 is a left side cross-section of the inventive structure.
In the figure: 1. a loading vehicle; 2. a stirring tank; 3. shaping the supporting plate; 4. a compaction mechanism; 41. a chute; 42. A first reciprocating screw; 43. a limiting rod; 44. a first slider; 45. a first telescopic rod; 46. compacting the block; 5. a transmission mechanism; 51. a double-headed motor; 52. a first drive shaft; 53. a second drive shaft; 6. a strickling mechanism; 61. a strip-shaped groove; 62. a second reciprocating screw; 63. a guide bar; 64. a second slide carriage; 65. A second telescopic rod; 66. and (5) scraping the plate.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a concrete pouring device for road construction comprises a loading vehicle 1, wherein the top of the left end of the loading vehicle 1 is fixedly connected with a stirring tank 2, the bottom of the left side of the outer wall of the stirring tank 2 is fixedly connected with a shaping supporting plate 3, the right end of the top of the shaping supporting plate 3 is movably connected with a compacting mechanism 4, the compacted concrete is compacted through the compacting mechanism 4, a large amount of doped gas in the concrete is extruded out, the doped gas is prevented from damaging the internal mechanism of the concrete, the quality of the poured concrete is poor, the quality of the poured concrete is improved, the middle of the top of the shaping supporting plate 3 is fixedly connected with a transmission mechanism 5, the left end of the inside of the shaping supporting plate 3 is movably connected with a scraping mechanism 6, and the scraping plate 66 can scrape the surface of the compacted concrete fluid through the reciprocating motion of the scraping mechanism 6, the concrete casting smoothness and the casting quality are improved, the scraping work efficiency can be greatly improved, the situation that manual reworking is conducted again to scrape the concrete surface is avoided, the labor intensity of workers is reduced, the rear side of the compacting mechanism 4 is movably sleeved with the transmission belt from the surface of the driving wheel, one end of the transmission belt is movably sleeved on the driving wheel on the rear side of the transmission mechanism 5, and the gear on the front side of the transmission mechanism 5 is meshed with the gear on the right side of the scraping mechanism 6.
According to the invention, the compacting mechanism 4 comprises a chute 41, the chute 41 is arranged at the right end of the top of the shaping supporting plate 3, a first reciprocating lead screw 42 is rotatably connected to the left side inside the chute 41, a limiting rod 43 is fixedly connected to the right side inside the chute 41, a first sliding seat 44 is movably sleeved at one end of the outer wall of the first reciprocating lead screw 42, a first telescopic rod 45 is fixedly inserted in the middle of the top of the first sliding seat 44, the bottom of the first telescopic rod 45 penetrates through the bottom of the first sliding seat 44 and extends into the shaping supporting plate 3, and a compacting block 46 is fixedly connected to the bottom of the first telescopic rod 45.
In the invention, the transmission mechanism 5 comprises a double-head motor 51, the bottom of the double-head motor 51 is fixedly connected to the middle of the top of the shaping supporting plate 3, the output end of the front side of the double-head motor 51 is fixedly connected with a first transmission shaft 52, the top of the shaping supporting plate 3 is rotatably connected with a second transmission shaft 53, and a gear on the front side of the first transmission shaft 52 is meshed with a gear on the left side of the second transmission shaft 53.
According to the invention, the strickle mechanism 6 comprises three strip-shaped grooves 61, the three strip-shaped grooves 61 are all arranged at the top of the inner wall of the shaping supporting plate 3, a second reciprocating lead screw 62 is rotatably connected inside the strip-shaped groove 61 at the middle part, guide rods 63 are fixedly connected inside the strip-shaped grooves 61 at the front side and the rear side, a second slide carriage 64 is movably sleeved on the outer wall of the second reciprocating lead screw 62, second telescopic rods 65 are hinged to the left side and the right side of the bottom of the second slide carriage 64, a strickle plate 66 is hinged to the bottom inside the second slide carriage 64, and the bottom of the second telescopic rod 65 is hinged to the top.
In the invention, a feed inlet is arranged at the rear side of the top of the stirring tank 2, and a movable door is arranged at a discharge outlet at the bottom of the inner wall of the stirring tank 2.
In the invention, the flanges at the front side and the rear side of the top of the second sliding seat 64 are respectively movably sleeved on the outer walls of the two guide rods 63, and the second sliding seat 64 is arranged in the shaping supporting plate 3.
In the present invention, the number of the second telescopic rods 65 is six, and the six second telescopic rods 65 are uniformly arranged on the left and right sides of the bottom of the second sliding seat 64.
A use method of a concrete pouring device for highway construction comprises the following steps:
s1: the user adds concrete raw materials and water to its inside from the feed inlet of agitator tank 2 top rear side to stir the mixture and form the concrete, open the dodge gate of agitator tank 2 inner wall bottom and make the concrete that stirs fall at the inside left end of design layer board 3, and start loader 1 and advance forward slowly, start double-end motor 51 simultaneously, through the transmission of driving belt and first transmission shaft 52 and second transmission shaft 53, drive first reciprocal lead screw 42 and the rotation of the reciprocal lead screw 62 of second respectively.
S2: first reciprocal lead screw 42 rotates and drives first slide 44 and carry out reciprocating motion around inside spout 41, starts first telescopic link 45 simultaneously and repeats to stretch out and draw back for compaction piece 46 extrudees the concrete, extrudees out the gas that the concrete is inside doped, and carries out preliminary flattening with the accumulational concrete of the inside left end of design layer board 3, and load wagon 1 goes forward in step.
S3: scraping plate 66 is under the cooperation telescopic link of the second telescopic link 65 of the left and right sides, the slope direction about control scraping plate 66, reciprocating screw 62 of second drives second slide 64 and carries out reciprocating motion about, reciprocating motion's second slide 64 drives scraping plate 66 also carries out reciprocating motion, carry out the accurate striking off of secondary to the concrete surface that preliminary flattens, make the roughness on concrete surface reach the engineering requirement, improve work efficiency, repeated above-mentioned action can be continuous carries out concrete placement.
In the working process, the gas extrusion and discharge and the multi-row synchronous rolling action are realized through a single driving structure, the cost of the driving mechanism is saved, and the working reliability of the system can be improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a concrete placement device for highway construction, includes load wagon (1), its characterized in that: the top of the left end of the loading vehicle (1) is fixedly connected with a stirring tank (2), the bottom of the left side of the outer wall of the stirring tank (2) is fixedly connected with a shaping supporting plate (3), the right end of the top of the shaping supporting plate (3) is movably connected with a compacting mechanism (4), the middle of the top of the shaping supporting plate (3) is fixedly connected with a transmission mechanism (5), the left end inside the shaping supporting plate (3) is movably connected with a strickling mechanism (6), the surface of a driven wheel at the rear side of the compacting mechanism (4) is movably sleeved with a transmission belt, one end of the transmission belt is movably sleeved on a driving wheel at the rear side of the transmission mechanism (5), and a gear at the front side of the transmission mechanism (5) is meshed with a gear at the right side;
the compacting mechanism (4) comprises a sliding groove (41), the sliding groove (41) is arranged at the right end of the top of the shaping supporting plate (3), the left side inside the sliding groove (41) is rotatably connected with a first reciprocating lead screw (42), the right side inside the sliding groove (41) is fixedly connected with a limiting rod (43), one end of the outer wall of the first reciprocating lead screw (42) is movably sleeved with a first sliding seat (44), a first telescopic rod (45) is fixedly inserted in the middle of the top of the first sliding seat (44), the bottom of the first telescopic rod (45) penetrates through the bottom of the first sliding seat (44) and extends into the shaping supporting plate (3), and a compacting block (46) is fixedly connected to the bottom of the first telescopic rod (45);
the transmission mechanism (5) comprises a double-head motor (51), the bottom of the double-head motor (51) is fixedly connected to the middle of the top of the shaping supporting plate (3), the output end of the front side of the double-head motor (51) is fixedly connected with a first transmission shaft (52), the top of the shaping supporting plate (3) is rotatably connected with a second transmission shaft (53), and a gear on the front side of the first transmission shaft (52) is meshed with a gear on the left side of the second transmission shaft (53);
the strickle mechanism (6) comprises three strip-shaped grooves (61), the strip-shaped grooves (61) are all arranged at the top of the inner wall of the shaping supporting plate (3), the inner part of the strip-shaped groove (61) at the middle part is rotatably connected with a second reciprocating lead screw (62), the inner parts of the strip-shaped grooves (61) are fixedly connected with guide rods (63), the outer wall of the second reciprocating lead screw (62) is movably sleeved with a second sliding seat (64), the flanges at the front side and the rear side of the top of the second sliding seat (64) are movably sleeved on the outer walls of the two guide rods (63), the second sliding seat (64) is arranged inside the shaping supporting plate (3), the left side and the right side of the bottom of the second sliding seat (64) are hinged with second telescopic rods (65), the number of the second telescopic rods (65) is six, and the six second telescopic rods (65) are uniformly arranged at the left side and the right side of the bottom of the second sliding seat (, the bottom of the interior of the second sliding seat (64) is hinged with a scraping plate (66), and the bottom of the second telescopic rod (65) is hinged with the top of the scraping plate (66).
2. The concrete pouring device for road construction according to claim 1, wherein: the rear side at the top of the stirring tank (2) is provided with a feed inlet, and a discharge port at the bottom of the inner wall of the stirring tank (2) is provided with a movable door.
3. Use of a concrete pouring device for road construction according to any one of claims 1-2, comprising the steps of:
s1: a user adds concrete raw materials and water into the mixing tank (2) from a feeding hole at the rear side of the top of the mixing tank, mixes the mixture to form concrete, opens a movable door at the bottom of the inner wall of the mixing tank (2) to enable the mixed concrete to fall on the left end inside a terrain supporting plate (3), starts a loading vehicle (1) to advance slowly forwards, and simultaneously starts a double-end motor (51) to respectively drive a first reciprocating screw rod (42) and a second reciprocating screw rod (62) to rotate through the transmission of a transmission belt and a first transmission shaft (52) and a second transmission shaft (53);
s2: the first reciprocating screw rod (42) rotates and drives the first sliding seat (44) to reciprocate back and forth in the sliding groove (41), and meanwhile, the first telescopic rod (45) is started to repeatedly stretch and retract, so that the compaction block (46) extrudes concrete, gas doped in the concrete is extruded out, the concrete accumulated at the left end in the shaping supporting plate (3) is preliminarily flattened, and the loading vehicle (1) synchronously runs forwards;
s3: scraping plate (66) is under the cooperation telescopic link of the second telescopic link (65) of the left and right sides, the slope direction about control scraping plate (66), reciprocating screw (62) of second drive second slide (64) and carry out reciprocating motion about, reciprocating motion's second slide (64) drive scraping plate (66) also carry out reciprocating motion, carry out the accurate strike-off of secondary to the concrete surface that preliminary flattens, make the roughness on concrete surface reach the engineering requirement, and the work efficiency is improved, repeated above-mentioned action can be continuous carry out concrete placement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110204536.5A CN113026486A (en) | 2021-02-24 | 2021-02-24 | Concrete pouring device for highway construction and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110204536.5A CN113026486A (en) | 2021-02-24 | 2021-02-24 | Concrete pouring device for highway construction and use method thereof |
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| CN113026486A true CN113026486A (en) | 2021-06-25 |
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| CN202110204536.5A Pending CN113026486A (en) | 2021-02-24 | 2021-02-24 | Concrete pouring device for highway construction and use method thereof |
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| CN114986692A (en) * | 2022-04-06 | 2022-09-02 | 林贤然 | Reinforced concrete prefabricated part forming device and using method thereof |
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