CN109457973B - Air-entraining type concrete exhaust device - Google Patents
Air-entraining type concrete exhaust device Download PDFInfo
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- CN109457973B CN109457973B CN201811214852.5A CN201811214852A CN109457973B CN 109457973 B CN109457973 B CN 109457973B CN 201811214852 A CN201811214852 A CN 201811214852A CN 109457973 B CN109457973 B CN 109457973B
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- exhaust
- trolley
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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
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
-
- 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
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/06—Solidifying concrete, e.g. by application of vacuum before hardening
-
- 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
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/06—Solidifying concrete, e.g. by application of vacuum before hardening
- E04G21/08—Internal vibrators, e.g. needle vibrators
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (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 an air-entraining type concrete exhaust device, which comprises an adjustable base seat, wherein travelling steel plates for placing a trolley are arranged on the adjustable base seat, the distance between the travelling steel plates is matched with the distance between wheels of the trolley, the top of the trolley is provided with a motor which drives the trolley to advance or retreat, the end part of the trolley close to the tail of the trolley is provided with an exhaust structure, the bottom of the trolley close to the tail of the trolley is provided with a stirring structure, the air-entraining type concrete exhaust device also comprises a pressing plate which is fixed with the tail end of the trolley, and the pressing plate is obliquely arranged and covers the exhaust device; the invention overcomes the defects of low exhaust efficiency, uneven exhaust, influence on compactness of the floor concrete construction vibrating device and the like of manual vibration, accelerates the air bubble removal efficiency by utilizing the advancing of the exhaust part, and improves the concrete quality.
Description
Technical Field
The invention relates to an air-entraining type concrete exhaust device, and belongs to the field of concrete construction.
Background
At present, the air exhaust mode commonly adopted in the construction of the plate surface concrete is manual vibration, the air exhaust efficiency is low, the required vibration time is long, and the phenomenon of uneven air exhaust is frequently generated.
In order to overcome the defects of manual vibration, a concrete construction vibration device is provided. For example, chinese patent publication No. CN106049878A discloses an apparatus driven by a carriage and provided with a plurality of vibrating rods. The invention has the defect of influencing the compactness of concrete and can not meet the engineering quality requirement.
Disclosure of Invention
The invention provides an air-entraining type concrete exhaust device, which overcomes the defects of low exhaust efficiency, nonuniform exhaust, influence on compactness and the like of a floor concrete construction vibrating device due to manual vibration, accelerates the bubble removal efficiency by utilizing the advancing of an exhaust part, and improves the quality of concrete.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an air entraining type concrete exhaust device comprises an adjustable base seat, wherein two traveling steel plates for placing a trolley are arranged on the adjustable base seat, the distance between the traveling steel plates is matched with the distance between wheels of the trolley, a motor is arranged at the top of the trolley and drives the trolley to move forwards or backwards, an exhaust structure is arranged at the end part of the trolley close to the tail of the trolley, a stirring structure is arranged at the bottom part of the trolley close to the tail of the trolley, and the air entraining type concrete exhaust device also comprises a pressing plate which is fixed with the tail end part of the trolley and is obliquely arranged to cover the exhaust device;
as a further preferred aspect of the present invention, the exhaust structure includes at least one exhaust implementation structure, each exhaust implementation structure is connected to the rear end of the trolley through an exhaust connection block, an exhaust adjustment block is installed between every two exhaust implementation structures, the exhaust implementation structure is an inclined triangular prism, and the exhaust implementation structure further includes a protrusion in a right trapezoid shape, the inclined surface of the protrusion is fixed to the bottom surface of the exhaust implementation structure near the top, and the right-angled side surface of the protrusion is fixed to the exhaust connection block; the inside of the exhaust implementation structure is hollow, two side walls adjacent to the bottom surface are provided with empty grooves to form a slurry inlet, and the end part of the exhaust implementation structure close to the trolley is provided with an exhaust port;
the stirring structures comprise at least one stirring rod, each stirring rod is connected to the bottom of the tail of the trolley through a stirring connecting block, a stirring adjusting block is arranged between every two stirring structures, and the stirring rods are vertically arranged with the bottom surface;
as a further preferred aspect of the invention, the exhaust connecting block is arranged in a T-shaped structure, an exhaust T-shaped groove matched with the exhaust connecting block is formed at the tail end of the trolley, and the exhaust connecting block is clamped in the exhaust T-shaped groove; the stirring connecting block is arranged in a T-shaped structure, a stirring T-shaped groove matched with the stirring connecting block is formed in the bottom of the tail of the trolley, and the stirring connecting block is clamped into the stirring T-shaped groove;
as a further preferred aspect of the present invention, the adjustable base includes a base upper portion and a base lower portion, two vertical columns are installed at the bottom of the base upper portion, the base lower portion is disposed in an i-shaped configuration, two hollow columns are installed on the surface of the base upper portion, the two vertical columns are movably connected to the vertical columns respectively, at least one through upper through hole is uniformly formed in each vertical column from top to bottom, a through lower through hole is formed in each hollow column, a bolt is inserted into the lower through hole, and the bolt is fastened by a nut and adjusts the position of the base upper portion on the base lower portion by the bolt;
as a further preferred aspect of the present invention, the exhaust adjusting block is disposed in an asymmetric H shape, wherein one vertical wall of the exhaust adjusting block enters the exhaust T-shaped groove; the stirring adjusting blocks are symmetrically arranged in an H shape, and one vertical wall of each stirring adjusting block is clamped into the stirring T-shaped groove;
as a further preferred aspect of the present invention, two side walls of the exhaust implementing structure adjacent to the bottom surface are provided with respective empty grooves, and a steel wire mesh is covered in the empty grooves;
as a further optimization of the invention, connecting shafts can be respectively and rotatably arranged on two sides of the tail of the trolley, one ends of the two connecting shafts far away from the trolley are connected through the connecting rod, and the connecting rod is provided with a pressing plate.
Through the technical scheme, compared with the prior art, the invention has the following beneficial effects:
according to the invention, by utilizing the dual functions of stirring and exhausting of the air-entraining type exhaust device, the concrete is more uniform through the stirring rod, and large air bubbles which are stagnated in the concrete are removed or decomposed into small air bubbles, so that the effects of primarily exhausting and promoting the air bubbles to enter an exhaust part are achieved; secondly, the advancing and exhausting part of the trolley is utilized to promote the entering of the concrete, so that the air bubbles are separated from the trolley and are directly exhausted through the exhaust port, the resistance on the air bubble exhaust is reduced, the air bubble exhaust efficiency is promoted, and the quality of the concrete finished product is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of a preferred embodiment of the air-entraining type concrete air-discharging device of the present invention in a front view;
FIG. 2 is a schematic view showing the overall structure of an air-entraining type concrete air-discharging apparatus according to a preferred embodiment of the present invention;
FIG. 3 is a schematic view of the overall structure of an adjustable base of the air entraining type concrete air discharging device according to the preferred embodiment of the present invention;
FIG. 4 is a schematic front view of the bogie of the air entraining type concrete air discharging device according to the preferred embodiment of the present invention;
fig. 5 is a schematic overall structure diagram of a stirring structure of an air-entraining type concrete exhaust device according to a preferred embodiment of the invention, wherein 5a is a schematic diagram of a connection between a stirring rod and a stirring connection block, and 5b is a schematic diagram of a structure of a stirring adjustment block;
fig. 6 is a schematic overall structure diagram of an exhaust structure of the air-entraining type concrete exhaust device according to the preferred embodiment of the invention, wherein 6a is a schematic diagram of the connection between the exhaust implementation structure and the exhaust connection block, and 6b is a schematic diagram of the structure of the exhaust adjustment block;
FIG. 7 is a schematic side view of an exhaust implementation of the bleed air type concrete exhaust apparatus of the preferred embodiment of the present invention;
FIG. 8 is a rear view schematic diagram of an exhaust implementation of the bleed air type concrete exhaust apparatus in accordance with the preferred embodiment of the present invention;
fig. 9 is a schematic view showing the overall structure of a press plate of the air-entraining type concrete air-discharging apparatus according to the preferred embodiment of the present invention.
In the figure: the adjustable base is an adjustable base 1, the movable steel plate is a movable steel plate, the concrete is 3, the concrete is 4, the trolley is 5, the tire is 5, the stirring structure is 6, the exhaust structure is 7, the connecting shaft is 8, the pressing plate is 9, the motor is 10, the lower part of the base is 11, the upper part of the base is 12, the upper part of the base is 13, the upper through hole is 13, the bolt and the nut are 14, the stirring T-shaped grooves are 41 and 42, the exhaust T-shaped grooves are 61, the stirring adjusting block is 62, the stirring connecting block is 63, the stirring rod is 71, the exhaust adjusting block is 72, the exhaust connecting block is 73, the slurry discharging port is 74, the slurry inlet is 75, the steel wire mesh is 76, the connecting rod is 81, the connecting shaft center is.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1-9, the present invention includes the following features: the adjustable base is an adjustable base 1, the movable steel plate is a movable steel plate, the concrete is 3, the concrete is 4, the trolley is 5, the tire is 5, the stirring structure is 6, the exhaust structure is 7, the connecting shaft is 8, the pressing plate is 9, the motor is 10, the lower part of the base is 11, the upper part of the base is 12, the upper part of the base is 13, the upper through hole is 13, the bolt and the nut are 14, the stirring T-shaped grooves are 41 and 42, the exhaust T-shaped grooves are 61, the stirring adjusting block is 62, the stirring connecting block is 63, the stirring rod is 71, the exhaust adjusting block is 72, the exhaust connecting block is 73, the slurry discharging port is 74, the slurry inlet is 75, the steel wire mesh is 76, the connecting rod is 81, the connecting shaft center is.
As shown in fig. 1-2, the air-entraining type concrete exhaust device of the invention comprises an adjustable base seat, two traveling steel plates for placing a trolley are arranged on the adjustable base seat, the distance between the traveling steel plates is matched with the distance between wheels of the trolley, a motor is arranged at the top of the trolley and drives the trolley to advance or retreat, an exhaust structure is arranged at the end part of the trolley close to the tail of the trolley, a stirring structure is arranged at the bottom part of the trolley close to the tail of the trolley, and a pressure plate is fixed with the tail end part of the trolley and is obliquely arranged to cover the exhaust device;
as shown in fig. 6, 7 and 8, as a further preferred embodiment of the present invention, the exhaust structure includes at least one exhaust implementation structure, each exhaust implementation structure is connected to the rear end of the trolley through an exhaust connection block, an exhaust adjustment block is installed between every two exhaust implementation structures, the exhaust implementation structure is an inclined triangular prism, and further includes a protrusion in a right trapezoid shape, the inclined surface of the protrusion is fixed to the bottom surface of the exhaust implementation structure near the top, and the right-angled side surface of the protrusion is fixed to the exhaust connection block; the inside of the exhaust implementation structure is hollow, two side walls adjacent to the bottom surface are provided with empty grooves to form a slurry inlet, and the end part of the exhaust implementation structure close to the trolley is provided with an exhaust port;
as shown in fig. 5, the stirring structures include at least one stirring rod, each stirring rod is connected to the bottom of the tail of the trolley through a stirring connecting block, a stirring adjusting block is installed between every two stirring structures, and the stirring rods are vertically arranged with the bottom surface;
as shown in fig. 4, as a further preferable aspect of the present invention, the exhaust connection block is arranged in a T-shaped structure, an exhaust T-shaped groove matched with the exhaust connection block is formed at the tail end of the trolley, and the exhaust connection block is clamped in the exhaust T-shaped groove; the stirring connecting block is arranged in a T-shaped structure, a stirring T-shaped groove matched with the stirring connecting block is formed in the bottom of the tail of the trolley, and the stirring connecting block is clamped into the stirring T-shaped groove;
as shown in fig. 3, as a further preferred embodiment of the present invention, the adjustable base includes an upper base portion and a lower base portion, two vertical pillars are installed at the bottom of the upper base portion, the lower base portion is disposed in an i-shaped configuration, two hollow pillars are installed on the surface of the upper base portion, the two vertical pillars are movably connected to the vertical pillars respectively, at least one through hole is uniformly formed in each vertical pillar from top to bottom, a through hole is formed in each hollow pillar, a bolt is inserted into the through hole, and the bolt is fastened by a nut and adjusts the position of the upper base portion on the lower base portion by the bolt;
as a further preferred aspect of the present invention, the exhaust adjusting block is disposed in an asymmetric H shape, wherein one vertical wall of the exhaust adjusting block enters the exhaust T-shaped groove;
the stirring adjusting blocks are symmetrically arranged in an H shape, and one vertical wall of each stirring adjusting block is clamped into the stirring T-shaped groove;
as a further preferred aspect of the present invention, two side walls of the exhaust implementing structure adjacent to the bottom surface are provided with respective empty grooves, and a steel wire mesh is covered in the empty grooves;
as shown in fig. 9, as a further preferred embodiment of the present invention, connecting shafts are rotatably mounted on both sides of the tail of the cart, ends of the two connecting shafts away from the cart are connected by a connecting rod, and a pressing plate is mounted on the connecting rod.
The specific implementation process is as follows:
arranging the adjustable base seats in two rows in parallel along the direction of pouring concrete, wherein the placing width of the adjustable base seats is consistent with the span of tires of the trolley, and meanwhile, adjusting the height of the base seats to be proper by adjusting the depth of the upper parts of the base seats inserted into the lower parts of the adjustable base seats; then placing a traveling steel plate on the two rows of adjustable base seats, wherein the traveling steel plate forms two parallel tracks above the concrete; placing the trolley on a traveling steel plate, wherein each stirring rod is connected to the bottom of the tail of the trolley through a stirring connecting block, a stirring adjusting block is arranged between every two stirring structures, the stirring rods are inserted into the concrete, an exhaust adjusting block is arranged between every two exhaust implementing structures, and a slurry discharging port of a triangular prism is inserted into the concrete; then, the pressing plate is arranged on the connecting rod, is connected with the connecting shaft through the axis of the connecting rod, and is fixed on the trolley through the connecting axis, so that the pressing plate naturally falls on the concrete, and then the position of the pressing plate is fixed; the starter motor drives the trolley to move forwards, concrete enters the grout inlet of the exhaust structure after being stirred by the stirring rod, bubbles and concrete particles move upwards to be discharged from the exhaust port, the rest grout flows out from the grout outlet, and finally, the pressing plate on the rear side screeds the concrete along with the moving of the trolley.
In the embodiment, the adjustable base seat can reach a proper height through the depth of the upper part of the base seat inserted into the lower part of the base seat, so that the bottoms of the stirring structure and the exhaust structure which are installed subsequently are prevented from being abraded by the ground, and the resistance of the bottom is reduced;
each stirring rod is connected to the bottom of the tail of the trolley through a stirring connecting block, a stirring adjusting block is arranged between every two stirring structures, and gaps for concrete to flow through are reserved in the arrangement, so that the smooth advancing process is ensured, and the accumulation of concrete stones is prevented; wherein, the size of the stirring adjusting block is larger than the grain size of the stone selected by the concrete;
an exhaust adjusting block is arranged between every two exhaust implementing structures, and a slurry discharging port of the triangular prism is inserted into concrete; wherein, the size of the exhaust adjusting block is larger than the grain size of the stone selected by the concrete;
the main body structure of the exhaust implementation structure is a triangular prism, edges and corners face the advancing direction, and the exhaust implementation structure has the functions of reducing resistance in the advancing process and preventing concrete stones from being accumulated;
the stirring rod has the function of helping residual bubbles with larger blocking effect in the concrete material to get rid of the blocking effect of the surrounding concrete, and the polyurethane material can reduce the abrasion of the stirring rod;
the aperture of the steel wire mesh is selected according to the particle size of concrete stone, and the steel wire mesh is used for separating air bubbles from concrete.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The meaning of "and/or" as used herein is intended to include both the individual components or both.
The term "connected" as used herein may mean either a direct connection between components or an indirect connection between components via other components.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides an air entrainment type concrete exhaust apparatus, includes adjustable base seat, installs two marchs steel sheet that are used for placing the dolly on adjustable base seat, and the distance between the steel sheet of marcing matches with the interval between the dolly wheel, and the dolly top sets up the motor, and its drive dolly advances or retreats its characterized in that: the tail end of the trolley is provided with an exhaust structure, the bottom of the trolley, which is close to the tail of the trolley, is provided with a stirring structure, and the tail end of the trolley is fixed with a pressing plate which is obliquely arranged to cover the exhaust device;
the exhaust structure comprises at least one exhaust implementation structure, each exhaust implementation structure is connected to the tail end of the trolley through an exhaust connecting block, an exhaust adjusting block is arranged between every two exhaust implementation structures, the exhaust implementation structure is an inclined triangular prism, the exhaust structure further comprises a projection in a right-angled trapezoid shape, the inclined surface of the projection is fixed to the bottom surface, close to the top, of the exhaust implementation structure, and the right-angled side surface of the projection is fixed to the exhaust connecting block; the inside of the exhaust implementation structure is hollow, two side walls adjacent to the bottom surface are provided with empty grooves to form a slurry inlet, and the end part of the exhaust implementation structure close to the trolley is provided with an exhaust port;
aforementioned stirring structure includes at least one stirring rod, and every stirring rod passes through the stirring connecting block to be connected in the bottom at the dolly rear of a vehicle, installs a stirring regulating block between per two stirring structures, and aforementioned stirring rod is laid perpendicularly with the bottom surface.
2. The air entraining type concrete air discharging device according to claim 1, characterized in that: the exhaust connecting block is arranged in a T-shaped structure, an exhaust T-shaped groove matched with the exhaust connecting block is formed in the tail end of the trolley, and the exhaust connecting block is clamped in the exhaust T-shaped groove; the stirring connecting block is arranged in a T-shaped structure, a stirring T-shaped groove matched with the stirring connecting block is formed in the bottom of the tail of the trolley, and the stirring connecting block is clamped into the stirring T-shaped groove.
3. The air entraining type concrete air discharging device according to claim 1, characterized in that: the adjustable base seat comprises an upper base seat part and a lower base seat part, two vertical upright columns are mounted at the bottom of the upper base seat part, the lower base seat part is arranged in an I-shaped structure, two hollow upright columns are mounted on the surface of the upper base seat part and movably connected into the vertical upright columns respectively, at least one penetrating upper through hole is uniformly formed in each vertical upright column from top to bottom, a penetrating lower through hole is formed in each hollow upright column, a bolt is inserted into each lower through hole and fastened through a nut, and the position of the upper base seat part in the lower base seat part is adjusted through the bolt.
4. The air entraining type concrete air discharging device according to claim 2, characterized in that: the exhaust adjusting block is arranged in an asymmetrical H shape, and one vertical wall of the exhaust adjusting block enters an exhaust T-shaped groove;
the stirring adjusting blocks are symmetrically arranged in an H shape, and one vertical wall of each stirring adjusting block is clamped in the stirring T-shaped groove.
5. The air entraining type concrete air discharging device according to claim 1, characterized in that: and two side walls of the exhaust implementing structure adjacent to the bottom surface are respectively provided with an empty groove, and a steel wire mesh is covered in the empty groove.
6. The air entraining type concrete air discharging device according to claim 1, characterized in that: connecting shafts are rotatably arranged on two sides of the tail of the trolley respectively, one ends of the two connecting shafts, which are far away from the trolley, are connected through connecting rods, and pressing plates are arranged on the connecting rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811214852.5A CN109457973B (en) | 2018-10-18 | 2018-10-18 | Air-entraining type concrete exhaust device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811214852.5A CN109457973B (en) | 2018-10-18 | 2018-10-18 | Air-entraining type concrete exhaust device |
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| Publication Number | Publication Date |
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| CN109457973A CN109457973A (en) | 2019-03-12 |
| CN109457973B true CN109457973B (en) | 2021-02-02 |
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| CN201811214852.5A Active CN109457973B (en) | 2018-10-18 | 2018-10-18 | Air-entraining type concrete exhaust device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113482337B (en) * | 2021-06-04 | 2022-10-18 | 安徽中固建设集团有限公司 | Building construction process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009030379A (en) * | 2007-07-27 | 2009-02-12 | Tokai Rubber Ind Ltd | Vibrator for placing ready-mixed concrete, and vibrator hose |
| CN202298626U (en) * | 2011-10-28 | 2012-07-04 | 中国水利水电第七工程局有限公司 | Automatic metamorphic concrete slurry injecting and vibrating equipment |
| CN203684695U (en) * | 2014-01-20 | 2014-07-02 | 浙江省隧道工程公司 | Combined type concrete vibrating rod |
| CN106049878B (en) * | 2016-07-19 | 2018-01-12 | 中国三冶集团有限公司 | A kind of flooring concrete construction tamping equipment and vibrating method |
| CN207004075U (en) * | 2017-06-19 | 2018-02-13 | 二十二冶集团天津建设有限公司 | Adjustable Stereotype stairway protector |
| CN207377142U (en) * | 2017-10-31 | 2018-05-18 | 河海大学 | A kind of research work of air entrained type concrete vibration stick |
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