CN115538743A - Building construction concrete spraying device and spraying method thereof - Google Patents
Building construction concrete spraying device and spraying method thereof Download PDFInfo
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- CN115538743A CN115538743A CN202211348172.9A CN202211348172A CN115538743A CN 115538743 A CN115538743 A CN 115538743A CN 202211348172 A CN202211348172 A CN 202211348172A CN 115538743 A CN115538743 A CN 115538743A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/06—Implements for applying plaster, insulating material, or the like
- E04F21/08—Mechanical implements
- E04F21/12—Mechanical implements acting by gas pressure, e.g. steam pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/16—Implements for after-treatment of plaster or the like before it has hardened or dried, e.g. smoothing-tools, profile trowels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention relates to the technical field of buildings and discloses a building construction concrete spraying device and a spraying method thereof. Through the setting of current-limiting cover, the order is located the concrete granule of the most marginal of spray surface and can directly spout the interior side surface of current-limiting cover to attached to the interior side surface of current-limiting cover, when the spray gun spouts the highest point of a unit face, make this part concrete spout once more on the wall under the effect of injection drive power, and then inject the spray regime of spray gun through current-limiting cover itself, avoid keeping away from of marginal concrete, and carry out the timely recovery of concrete through the scraper blade.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a building construction concrete spraying device and a spraying method thereof.
Background
The concrete spraying device is a construction device for spraying and pouring fine stone concrete by using a pressure spray gun, firstly, prepared cement, sand, stones and a certain amount of accelerating agent are filled into a spraying machine, then the concrete is sent to a spray head by using high-pressure air to be mixed with water, and then the mixture is sprayed to the surface of rock or concrete at a high speed, and in the spraying process, generally, a surface with a certain area is taken as a unit, and the mixture is gradually sprayed upwards to the top end of one surface from the bottommost end of the other surface according to a Z-shaped path, namely, the spraying of one surface is finished, at the moment, after the spraying of the surface of one unit is finished, another worker can check, repair and level the surface of the sprayed surface, so that the attractiveness of the surface is ensured, and the subsequent building process is facilitated.
In the spraying process, the concrete is sprayed out through a spray gun nozzle under the action of pressure, so that the concrete particles positioned at the center in the whole spraying surface in the shape of a circular truncated cone are high in concentration, and the concrete particles positioned at the edge are low in concentration, so that the concrete particles at the edge can continuously move towards the direction far away from the spraying surface due to insufficient angle and power, further the waste of the sprayed edge concrete is caused, and the movement path of the concrete particles sprayed out from the edge is more disordered due to untimely cleaning of a nozzle opening; and when the spray gun blowout concrete, the concrete of injection has certain resilience volume, and the concrete of resilience can drop subaerially, causes the untidy of ground, simultaneously, extravagant a quantitative concrete.
Disclosure of Invention
Aiming at the defects of the existing building construction concrete spraying in the background technology in the using process, the invention provides a building construction concrete spraying device and a spraying method thereof, which have the advantages of reducing concrete waste and being fast in recycling, and solve the technical problems of concrete spraying waste and concrete rebound pollution waste in the background technology.
The invention provides the following technical scheme: the utility model provides a construction concrete injection apparatus, includes the spray gun, the spray gun is close to nozzle mouth outside fixedly connected with current-limiting cover, the bottom both sides sliding connection of current-limiting cover has the scraper blade, the inside sliding connection of scraper blade has the sliding tray that is located the current-limiting cover outside, two the side that the scraper blade was kept away from each other is fixedly connected with the connection rope that is located the sliding tray inboard respectively, two the top of connecting the rope is interconnected, the outside fixedly connected with fixed slot of spray gun, the outside fixedly connected with that the connection rope runs through sliding tray and fixed slot is located the inboard elastic rope of fixed slot, the side fixedly connected with fixed plate of fixed slot, the surface of fixed plate transversely set up with the outside sliding connection's of elastic rope transverse groove, the outside fixedly connected with fixed block of elastic rope, the fixed block is located the top of fixed plate and is close to the side of current-limiting cover, and the length width of fixed block is greater than the length width that the fixed plate surface set up the transverse groove, the cover was kept away from to the fixed plate is seted up the release hole, and the length width of release hole is greater than the length width of fixed block, the bottom fixedly connected with slide bar of elastic rope.
Preferably, the top of slide bar is equipped with the accumulator, the outside of slide bar be equipped with the fixed slot of the side fixed connection of accumulator, the inside one side of fixed slot is located the shape board of slide bar top through elastic webbing fixedly connected with, and the shape board distributes every two at the inboard horizontal equidistance of fixed slot sliding connection has the connecting plate between the shape board, and passes through elastic webbing fixed connection between the inside opposite side of fixed slot and the connecting plate, the slide bar side is located the stirring rod of accumulator inboard through connecting rod fixedly connected with, the inboard sliding connection in top of scraper blade has the telescopic link.
Preferably, the shape of the flow limiting cover is a circular truncated cone with the top surface close to the spray gun, the inner side of the flow limiting cover axially penetrates through the flow limiting cover, and the side edges of the scraping plates are parallel to the side edges of the flow limiting cover.
Preferably, the elastic rope is an elastic belt, and the path of the elastic rope far away from the spray gun is the same as the path of the concrete pipeline connected with the spray gun.
Preferably, the height of the sliding rod is greater than the distance between the shape plate and the bottom end of the inside of the fixing groove, a groove close to the next spraying surface side is formed at the bottom end of the inside of the fixing groove, and the groove at the bottom end of the inside of the fixing groove is matched with the size of the sliding rod.
Preferably, the middle part of the shape plate is rectangular, two side parts of the shape plate are U-shaped with openings facing to two sides, the middle part of the connecting plate is rectangular, two side parts of the connecting plate are rectangular matched with the openings of the two side parts of the shape plate, and after the two side parts of the connecting plate are inserted into the two side parts of the shape plate, a space is reserved between the surfaces of the connecting plate and the two side parts of the shape plate.
Preferably, the shape of the stirring rod is in a plow harrow shape facing the recycling tank, and the bottom end of the stirring rod is not positioned right above the sliding rod.
A spraying method of a building construction concrete spraying device comprises the following steps:
s1, a worker can horizontally hold the whole spray gun, the nozzle opening of the spray gun faces to a surface to be sprayed, concrete at the edge of the surface is sprayed to the inner side face of the flow-limiting cover to be collected, and rebounded concrete particles can fall to the inner side of a recovery tank;
s2, the spray gun continuously moves upwards horizontally and vertically along the path, the spray gun gradually pulls the elastic rope, the elastic rope drives the sliding rod to move upwards and move horizontally, the sliding rod abuts against the bottom ends of the shape plate and the connecting plate, the shape plate and the connecting plate form an arc-shaped bulge, the top ends of the shape plate and the connecting plate abut against the recovery tank to form an arc-shaped bulge, and concrete inside the recovery tank flows to two sides of the bulge and is stirred;
s3, inclining the spray gun, enabling the fixed plate to release the fixed block, enabling the elastic rope to pull the released part of the elastic rope, enabling the connecting rope to pull the scraper to enable the scraper to upwards slide in the circumferential direction of the flow limiting cover, and enabling the scraper to slide and scrape the concrete on the inner side of the flow limiting cover;
s4, the concrete is scraped in the extrusion of two scraping plates, drops to the direct ahead of the nozzle mouth of spray gun, and then makes partial concrete follow the continuous spun concrete of spray gun and is sprayed on the wall, carries out the recovery process of concrete, and the inboard concrete of recovery tank carries out the floating process.
The invention has the following beneficial effects:
1. the invention makes the concrete particles at the most edge of the spraying surface directly sprayed to the inner side surface of the current-limiting cover and attached to the inner side surface of the current-limiting cover, when the spray gun is sprayed to the highest position of a unit surface, the nozzle opening of the spray gun is lifted upwards to make the whole spray gun in an inclined state, the fixed block at the top end of the fixed plate slides to the position of the release hole under the pulling of the elastic rope, the fixed plate releases the fixed block which is supported by the release hole through the release hole, the pulling force of the elastic rope at the lower part of the fixed plate acts on the elastic rope at the part of the fixed plate, and then the elastic rope pulls the connecting rope, the connecting rope pulls the scrapers to slide upwards at the inner side of the current-limiting cover and scrape the concrete attached to the inner side of the current-limiting cover, and after the scrapers reach the top end of the current-limiting cover, the concrete squeezed between the two scrapers drops right before the nozzle opening of the spray gun, so that the part of the concrete is sprayed to the front of the wall surface again under the action of the spraying driving force, and further limits the spraying range of the spray gun through the current-limiting cover, thereby avoiding the separation of the concrete at the edge, and reducing the waste of the concrete in time of the concrete by recycling of the scrapers.
2. According to the invention, through the arrangement of the recovery tank, the recovery tank is arranged on the ground corresponding to the wall surface of a unit, the rebounded concrete can rebound and fall on the inner side of the recovery tank, and in the process that the spray gun moves upwards according to a Z-shaped path, the spray gun can pull the elastic rope to move transversely, so that the elastic rope can pull the sliding rod connected with the bottom end to move transversely at the bottom end of the recovery tank, the top end of the sliding rod can extrude and push the shape plate or the connecting plate positioned above one by one, the shape plate and the connecting plate can form a regular arc-shaped bulge, the shape plate and the connecting plate can push the bottom end of the recovery tank, the bottom end part of the recovery tank can form a regular bulge which moves transversely and continuously from one side to the other side, the concrete placed at the top end of the recovery tank can move towards two sides due to the action of gravity, the concrete placed at the inner side of the recovery tank is stirred completely, the solidification process of the concrete is slowed down, the solid-liquid separation of the concrete is avoided, and the subsequent trowelling process of the concrete at the inner side of the recovery tank is facilitated, the recovery rate of the concrete is improved, and the injection cost of the concrete is reduced.
3. According to the invention, the end part of the bottom end of the stirring rod is not positioned right above the sliding rod, when the concrete inside the recovery tank flows to two sides due to the upward bulge of the bottom end of the recovery tank, the end part of the bottom end of the stirring rod is just positioned at the two side parts, so that the transversely flowing concrete is obliquely stirred again by the outer side of the stirring rod, and the stirring rod moves along with the movement of the sliding rod, so that the stirring rod can also perform transverse stirring and vertical stirring on the concrete, further, the rebound concrete collected inside the recovery tank is placed inside the recovery tank, and in the process, the multidirectional stirring process can be achieved through the recovery tank and the stirring rod, the rebound concrete is stirred more uniformly, the treatment process before reuse after recovery is reduced, and the spraying efficiency and the recovery efficiency of the concrete are improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the spray gun of the present invention;
FIG. 3 is a schematic view of the recovery tank of the present invention;
FIG. 4 is an enlarged view of a portion of the structure A in FIG. 3 according to the present invention.
In the figure: 1. a spray gun; 2. a current limiting cover; 3. a squeegee; 4. a sliding groove; 5. connecting ropes; 6. a fixing groove; 7. a fixing plate; 8. an elastic cord; 9. a fixed block; 10. a release hole; 11. a slide bar; 12. a recovery tank; 13. fixing grooves; 14. a shape plate; 15. a connecting plate; 16. a stirring rod; 17. a telescopic rod.
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, a concrete spraying device for building construction comprises a spray gun 1, the inner side of the spray gun 1 is driven by compressed air to be provided with concrete, one end of the spray gun 1, which is not a nozzle opening, is communicated with a concrete pipeline, the outer side of the spray gun 1, which is close to the nozzle opening, is fixedly connected with a current-limiting cover 2, two sides of the bottom end of the current-limiting cover 2 are slidably connected with scraping plates 3, the inner part of each scraping plate 3 is slidably connected with a sliding groove 4 positioned on the outer side of the current-limiting cover 2, the sliding grooves 4 are annular, the sides of the two scraping plates 3, which are far away from each other, are respectively and fixedly connected with connecting ropes 5 positioned on the inner side of the sliding grooves 4, the top ends of the two connecting ropes 5 are connected with each other, the other parts of the connecting ropes 5, except the inner parts of the sliding grooves 4, are positioned on the top end of the spray gun 1, the outer side of the spray gun 1 is fixedly connected with a fixing groove 6, connect the outside fixedly connected with that rope 5 runs through sliding tray 4 and fixed slot 6 and be located the inboard elasticity rope 8 of fixed slot 6, the side fixedly connected with fixed slot 6 fixed plate 7 of fixed slot 6, fixed slot 6 is arc, and the whole water face parallel of fixed plate 7 that fixed slot 6 is connected, the horizontal groove with the outside sliding connection of elasticity rope 8 is transversely seted up on the surface of fixed plate 7, refer to fig. 2, the outside fixedly connected with fixed block 9 of elasticity rope 8, the top that fixed block 9 is located fixed plate 7 is close to the side of current-limiting cover 2, and the length width of fixed block 9 is greater than the length width that the horizontal groove was seted up on fixed plate 7 surface, release hole 10 has been seted up in the demonstration that current-limiting cover 2 was kept away from to fixed plate 7, and the length width of release hole 10 is greater than the length width of fixed block 9, the bottom fixedly connected with slide bar 11 of elasticity rope 8.
Referring to fig. 1, a recovery tank 12 is disposed above a sliding rod 11, a bottom portion of a side surface of the recovery tank 12 is made of an elastic material, a fixing groove 13 fixedly connected to a side surface of the recovery tank 12 is disposed on an outer side of the sliding rod 11, referring to fig. 3, a shape plate 14 disposed above the sliding rod 11 is fixedly connected to one side of the inside of the fixing groove 13 through an elastic band, the shape plate 14 is transversely and equidistantly distributed on an inner side of the fixing groove 13, referring to fig. 4, a connecting plate 15 is slidably connected between every two shape plates 14, the other side of the inside of the fixing groove 13 is fixedly connected to the connecting plate 15 through an elastic band, referring to fig. scraper 3, a stirring rod 16 disposed on an inner side of the recovery tank 12 is fixedly connected to a side surface of the sliding rod 11 through a connecting rod, a transverse hole facilitating transverse sliding of the sliding rod 11 is formed in a side surface of the fixing groove 13, so as to ensure that the sliding rod 11 and the connected stirring rod 16 are in a vertical state, a top inner side surface of the scraper 3 is slidably connected to a telescopic rod 17, and an outer side surface of the scraper 3 is hermetically connected to the telescopic rod 17, and a cleaning process of a nozzle opening is performed through the telescopic rod 17.
Referring to fig. 1,2 is in a circular truncated cone shape with a top surface close to a spray gun 1, the inner side of a flow limiting cover 2 axially penetrates, the side edges of a scraping plate 3 are all parallel to the side edges of the flow limiting cover 2, the concrete particles at the edge of the spraying surface of the spray gun 1 are directly sprayed onto the inner side surface of the flow limiting cover 2 through the arrangement of the flow limiting cover 2 at the outer side of the nozzle opening of the spray gun 1 and the inner side range of the flow limiting cover 2, before being diffused, and then are attached to the inner side of the flow limiting cover 2, when the spray gun 1 is sprayed to the top end part of a unit surface, one end of the nozzle opening of the spray gun 1 is lifted upwards, other structures connected by the spray gun 1 are all in an inclined state, a fixing plate 7 is inclined, the fixing block 9 arranged at the top end of the fixing plate 7 is pulled by an elastic rope 8 in an inclined manner, the fixing block 9 slides to the position of a release hole 10, and the fixing plate 7 directly releases the fixing block 9 through the release hole 10, the part of the elastic rope 8 below the fixed plate 7 directly pulls the part of the elastic rope 8 above the fixed plate 7, the elastic rope 8 pulls the connecting rope 5, and then the connecting rope 5 pulls the scraper 3, the scraper 3 slides upwards at the inner side of the current-limiting cover 2, and the side surface of the scraper 3 far away from the other scraper 3 can scrape and contain the concrete attached to the inner side of the current-limiting cover 2, namely after the scraper 3 reaches the top end of the current-limiting cover 2, the scraped concrete can be extruded between the two scrapers 3, so that the part of concrete can gradually fall right in front of a nozzle opening of the spray gun 1, and then the part of concrete can be sprayed onto the wall surface along with the concrete sprayed from the spray gun 1 under the action of the spraying driving force, namely, the spraying range of the spray gun 1 is limited through the current-limiting cover 2, so that the concrete at the edge is not far away from the position required to be sprayed, and through the setting of scraper blade 3, at the slip in-process of scraper blade 3, carry out scraping and in time recycle concrete of concrete, chicken reduces the concrete waste, reduces the use cost of concrete.
Referring to fig. 2, the elastic rope 8 is an elastic belt, and a path of the elastic rope 8 far from the spray gun 1 is the same as a path of a concrete pipeline connected to the spray gun 1, and a worker can carry out a handheld process of the spray gun 1, and because the concrete pipeline is heavy, the worker can move the spray gun 1 integrally by setting the elastic rope 8 and the concrete pipeline in the same path, so that the force of the worker on the concrete pipeline and the direction of the elastic force of the elastic rope 8 are uniform, the worker can control the whole spray gun 1 conveniently, and the use stability of the spray gun 1 is improved.
Referring to fig. 3, the height of the sliding rod 11 is greater than the distance between the bottom ends of the shape plate 14 and the fixed groove 13, a groove close to the next spraying surface side is formed at the bottom end of the inner side of the fixed groove 13, and the groove at the bottom end of the inner side of the fixed groove 13 is matched with the size of the sliding rod 11, by setting the height of the sliding rod 11, when the sliding rod 11 leaves the groove at the bottom end of the inner side of the fixed groove 13, the sliding rod 11 will abut against the bottom ends of the shape plate 14 or the connecting plate 15, during the continuous wall surface spraying of the spray gun 1, the elastic rope 8 will continuously move transversely upwards along with the movement of the spray gun 1, the elastic rope 8 will pull the sliding rod 11 connected with the bottom end to abut against the bottom ends of the shape plate 14 and the connecting plate 15, so as to continuously move transversely one by one after abutting against the bottom ends of the shape plate 14 and the connecting plate 15, the regular arc-shaped protrusion will push the bottom ends of the shape plate 14 and the connecting plate 15 to push the bottom ends of the recovery groove 12, so that the bottom end of the recovery groove 12 will be moved transversely and the recovery groove will be prevented from one side of the concrete recovery groove 12 from being disturbed by the bottom end of the concrete, thereby reducing the horizontal recovery groove 12, and the utilization rate of the recovery groove 12, and the recovery groove, thereby reducing the recovery of the recovery groove.
Referring to fig. 4, the middle portion of the shape plate 14 is rectangular, two side portions of the shape plate 14 are U-shaped with openings facing to two sides, the middle portion of the connection plate 15 is rectangular, two side portions of the connection plate 15 are rectangular with openings matching with the two side portions of the shape plate 14, after the two side portions of the connection plate 15 are inserted into the two side portions of the shape plate 14, a space is formed between surfaces of the connection plate 15 and the two side portions of the shape plate 14, and bottom ends of the shape plate 14 and the connection plate 15 are smooth, by arranging between the shape plate 14 and the connection plate 15, after the shape plate 14 or the connection plate 15 is pressed against from the bottom end by the sliding rod 11, the shape plate 14 or the connection plate 15 moves upward, and drives the connection plate 15 or the shape plate 14 connected to the two sides to move upward to gradually form a complete arc-shaped bulge, when the bottom end of the recovery tank 12 is pressed against the shape plate 14 and the connection plate 15, the degree of the bulge is the same, and by the shape plate 14 and the connection plate 15, each position of the recovery tank 12 is uniformly stirred, and a certain action area is ensured, and the effectiveness of the bulge is stirred.
Referring to fig. 3, the stirring rod 16 is in the shape of a plow rake facing the recycling tank 12, the bottom end of the stirring rod 16 is not located right above the sliding rod 11, and when the shaped plate 14 and the connecting plate 15 abut against the recycling tank 12 to protrude, the concrete flowing on both sides can directly move towards the bottom end of the stirring rod 16, so that the concrete flowing obliquely due to the protrusion is again stirred obliquely by the outer side of the stirring rod 16, and in the process that the stirring rod 16 moves along with the movement of the sliding rod 11, the stirring rod 16 can also move laterally and vertically on the inner side of the recycling tank 12, and the lateral stirring and vertical stirring of the concrete are performed, so that the rebounded concrete collected on the inner side of the recycling tank 12 can be stirred in multiple directions through the protrusion on the bottom end of the recycling tank 12 and the stirring rod 16 itself, so that the rebounded concrete is more uniformly stirred by the stirring rod 16, thereby reducing the processing steps before recycling, and improving the efficiency of concrete wall surface finishing.
A spraying method of a building construction concrete spraying device comprises the following steps:
s1, a worker can horizontally hold the whole spray gun 1, the nozzle opening of the spray gun 1 faces a surface to be sprayed, concrete at the edge of the surface is sprayed to the inner side face of the flow limiting cover 2 to be collected, and rebounded concrete particles can fall to the inner side of the recovery tank 12;
s2, the spray gun 1 continuously moves upwards horizontally and vertically along the path, the spray gun 1 gradually pulls the elastic rope 8, the elastic rope 8 drives the sliding rod 11 to move upwards and horizontally, the sliding rod 11 abuts against the bottom ends of the shape plate 14 and the connecting plate 15, the shape plate 14 and the connecting plate 15 form an arc-shaped bulge, the top ends of the shape plate 14 and the connecting plate 15 abut against the recovery tank 12 to form an arc-shaped bulge, and concrete inside the recovery tank 12 flows to two sides of the bulge and is stirred;
s3, inclining the spray gun 1, enabling the fixing plate 7 to release the fixing block 9, enabling the elastic rope 8 to pull the released part of the elastic rope 8, enabling the connecting rope 5 to pull the scraper 3, enabling the scraper 3 to upwards slide in the circumferential direction of the current limiting cover 2, enabling the scraper 3 to slide and scraping concrete on the inner side of the current limiting cover 2;
s4, the concrete is scraped by the extrusion of the two scrapers 3 and falls right ahead of a nozzle opening of the spray gun 1, so that part of the concrete is sprayed to the wall surface along with the concrete continuously sprayed out of the spray gun 1, the concrete is recycled, and the concrete inside the recycling groove 12 is leveled.
The use method (working principle) of the invention is as follows:
when concrete is sprayed, a worker can horizontally hold the whole spray gun 1 to enable the nozzle opening of the spray gun 1 to face a face to be sprayed, concrete is sprayed out from one side of the spray gun 1 to one side of the nozzle opening, concrete particles in the center of the sprayed concrete can be sprayed onto the face to be sprayed, concrete particles at the edge of the spraying can be sprayed onto the inner side face of the flow limiting cover 2, rebounded concrete particles can fall into the inner side of the recovery tank 12, in the upward movement of the spray gun 1 through the Z-shaped path, the spray gun 1 can pull the elastic rope 8 to move transversely and upwardly, so that the sliding rod 11 connected with the bottom end of the elastic rope 8 is driven to move out of the tank at the bottom end of the recovery tank 12, the top end of the sliding rod 11 is abutted against the bottom end of the connecting plate 15, the connecting plate 15 is driven to move vertically, and the connecting plate 15 drives the shape plate 14 connected with the side face to move upwardly, the connecting plate 15 and the shape plate 14 are formed into a regular circular arc shape, so that the bottom end of the recovery tank 12 is pushed by the connecting plate 15 and the top end of the shape plate 14, the bottom end part of the recovery tank 12 is upwards formed into a regular circular arc bulge, the concrete contained in the inner side of the recovery tank 12 flows towards two sides above the recovery tank 12 of the protruding part due to gravity, meanwhile, the stirring rod 16 is positioned at two sides of the part of flowing concrete, the stirring rod 16 is used for stirring the part of mixed 40641country soil, the elastic rope 8 pulls the sliding rod 11 to transversely move at the bottom end of the recovery tank 12, the top end of the sliding rod 11 is transversely moved and simultaneously abuts against the bottom end of each shape plate 14 or the connecting plate 15 one by one, and further, the bottom end of the recovery tank 12 gradually forms a moving regular arc bulge from one side to the other side, so that the concrete at the top end of the recovery tank 12 is stirred in two dimensions of the transverse direction and the vertical direction, meanwhile, because the arc-shaped bulges are mixed in an inclined upward direction, the solidification process of concrete is slowed down, when concrete of a unit surface is about to be sprayed, a worker enables one side of a nozzle opening of the spray gun 1 to be lifted upwards, namely the fixing plate 7 on the inner side of the fixing groove 6 is inclined, the pulling force on the elastic rope 8 acts on the fixing block 9 in an inclined manner, the fixing block 9 slides in a direction far away from the flow-limiting cover 2 at the top end of the fixing plate 7 transversely, the fixing block 9 is further enabled to slide above the release hole 10, the fixing plate 7 releases the clamped fixing block 9 through the release hole 10, the part, located below the fixing plate 7, of the elastic rope 8 can elastically pull the part, located above the fixing plate 7, the scraper 3 connected through the connecting rope 5 is enabled to slide upwards on the side edge of the flow-limiting cover 2, the scraper 3 is enabled to be close to the side face of the flow-limiting cover 2 to scrape concrete particles attached to the inner side face of the flow-limiting cover 2 and move towards the top end of the flow-limiting cover 2, the scraper 3 can rotate to be gradually close to the top end of the flow-limiting cover 2 and be perpendicular to the horizontal plane again, the concrete particles scraped by the two scrapers 3, and the concrete can fall under the extrusion state, and the concrete of the spray gun 1, and the concrete of the unit surface is sprayed out, and the spray gun 1 is enabled to be sprayed out, and the concrete of the unit surface, and the spray gun 1, and the concrete of the unit surface is sprayed out.
After the surface spraying of one unit is completed, the concrete is positioned in the recovery groove 12, the wall surface plastering process is more convenient to carry out, the spraying process of the spray gun 1 is stopped, the spray gun 1, the recovery groove 12 and the fixing groove 13 are moved to the bottom position of the next unit surface, the surface of the elastic rope 8 after the movement is not elastic due to the position of the spray gun 1, when the spray gun 1 is kept in a horizontal state again, the connecting rope 5 can pull the fixing block 9 to pass through the release hole 10 again and abut against the side edge of the current-limiting cover 2 close to the fixing plate 7, meanwhile, the scraper 3 can slide again outside the current-limiting cover 2 due to the self gravity effect, the scraper 3 can protrude out of the surface of the telescopic rod 17 due to the gravity effect before the scraper 3 slides, the end part of the fixing groove 13 is made to cling to the nozzle opening end part of the spray gun 1, further, in the sliding process of the scraper 3, the fixing groove 13 can scrape the concrete adhered to the nozzle opening of the spray gun 1 due to the viscosity of the concrete, after the scraper 3 slides to the bottom end of the current-limiting cover 2 again, the concrete in the recovery groove 3 extrudes and drops under the gravity effect, and the inner side of the recovery groove 12 of the spray gun is opened again, the unit surface spraying process of the spray gun 1 is carried out again.
It should be noted that, in this document, relational terms such as first and second, and the like are 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 (8)
1. The utility model provides a construction concrete injection apparatus, includes spray gun (1), its characterized in that: the spray gun is characterized in that a current-limiting cover (2) is fixedly connected to the outer side of the spray nozzle opening of the spray gun (1), scrapers (3) are slidably connected to two sides of the bottom end of the current-limiting cover (2), a sliding groove (4) positioned on the outer side of the current-limiting cover (2) is slidably connected to the inner portion of each scraper (3), connecting ropes (5) positioned on the inner side of the sliding groove (4) are fixedly connected to the sides, away from each other, of the scrapers (3), the top ends of the connecting ropes (5) are connected to each other, a fixing groove (6) is fixedly connected to the outer side of the spray gun (1), the connecting ropes (5) penetrate through the sliding groove (4) and the fixing groove (6), elastic ropes (8) positioned on the inner side of the fixing groove (6), a fixing plate (7) is fixedly connected to the side of the fixing groove (6), a transverse groove slidably connected to the outer side of the elastic ropes (8) is transversely formed in the surface of the fixing plate (7), a fixing block (9) is fixedly connected to the outer side of the elastic rope (8), the fixing plate (9) is positioned above the fixing plate (7) and close to the side of the current-limiting cover (2), the fixing block (9), the fixing plate (7) is larger than the wide-limiting cover (10), and the wide releasing hole (10) is larger than the fixing plate (10) and the wide fixing plate (7), the bottom end of the elastic rope (8) is fixedly connected with a sliding rod (11).
2. The construction concrete injection apparatus according to claim 1, wherein: the top of slide bar (11) is equipped with accumulator (12), the outside of slide bar (11) be equipped with accumulator (12) side fixed connection's fixed slot (13), inside one side of fixed slot (13) is located shape board (14) of slide bar (11) top through elastic webbing fixedly connected with, and shape board (14) distribute at the inboard horizontal equidistance of fixed slot (13), per two sliding connection has connecting plate (15) between shape board (14), and passes through elastic webbing fixed connection between the inside opposite side of fixed slot (13) and connecting plate (15), slide bar (11) side is located accumulator (12) inboard stirring pole (16) through connecting rod fixedly connected with, the inboard sliding connection in top of scraper blade (3) has telescopic link (17).
3. The building construction concrete spraying device according to claim 1, characterized in that: the shape of the current-limiting cover (2) is a round table shape with the top surface close to the spray gun (1), the inner side of the current-limiting cover (2) axially penetrates through the round table shape, and the side edges of the scraping plates (3) are parallel to the side edges of the current-limiting cover (2).
4. The construction concrete injection apparatus according to claim 1, wherein: the elastic rope (8) is an elastic belt, and the path of the elastic rope (8) far away from the spray gun (1) is the same as the path of the concrete pipeline connected with the spray gun (1).
5. The building construction concrete spraying device according to claim 1, characterized in that: the height of the sliding rod (11) is larger than the distance between the shape plate (14) and the bottom end inside the fixing groove (13), a groove close to the next spraying surface side is formed in the bottom end inside the fixing groove (13), and the size of the groove at the bottom end inside the fixing groove (13) is matched with that of the sliding rod (11).
6. The building construction concrete spraying device according to claim 2, characterized in that: the middle part of the shape plate (14) is rectangular, two side parts of the shape plate (14) are U-shaped with openings facing to two sides, the middle part of the connecting plate (15) is rectangular, two side parts of the connecting plate (15) are rectangular matched with the openings of the two side parts of the shape plate (14), and after the two side parts of the connecting plate (15) are inserted into the two side parts of the shape plate (14), a space is reserved between the surfaces of the two side parts of the connecting plate (15) and the shape plate (14).
7. The construction concrete injection apparatus according to claim 2, wherein: the shape of the stirring rod (16) is in a plow rake shape facing the recovery tank (12), and the bottom end part of the stirring rod (16) is not positioned right above the sliding rod (11).
8. The method for injecting the concrete for construction work of any one of claims 1 to 7, comprising the steps of:
s1, a worker can horizontally hold the whole spray gun (1), the nozzle opening of the spray gun (1) faces to a surface to be sprayed, concrete at the edge of the surface is sprayed to the inner side face of the flow limiting cover (2) to be collected, and rebounded concrete particles can fall to the inner side of the recovery tank (12);
s2, the spray gun (1) continuously moves upwards horizontally and vertically along the path, the spray gun (1) gradually pulls the elastic rope (8), the elastic rope (8) drives the sliding rod (11) to move upwards and move horizontally, the sliding rod (11) abuts against the bottom ends of the shape plate (14) and the connecting plate (15), the shape plate (14) and the connecting plate (15) form an arc-shaped bulge, the top ends of the shape plate (14) and the connecting plate (15) abut against the recovery tank (12) to form an arc-shaped bulge, and concrete inside the recovery tank (12) flows to the two sides of the bulge to be stirred;
s3, inclining the spray gun (1), enabling the fixing plate (7) to release the fixing block (9), enabling the elastic rope (8) to pull the released part of the elastic rope (8), enabling the connecting rope (5) to pull the scraper (3), enabling the scraper (3) to upwards slide in the circumferential direction of the current limiting cover (2), enabling the scraper (3) to slide and scraping concrete on the inner side of the current limiting cover (2);
s4, the concrete is scraped by the extrusion of the two scrapers (3), and the concrete falls right ahead of the nozzle opening of the spray gun (1), so that part of the concrete is sprayed to the wall surface along with the concrete continuously sprayed out of the spray gun (1), the recovery process of the concrete is carried out, and the concrete on the inner side of the recovery tank (12) is subjected to the floating process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211348172.9A CN115538743A (en) | 2022-10-31 | 2022-10-31 | Building construction concrete spraying device and spraying method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211348172.9A CN115538743A (en) | 2022-10-31 | 2022-10-31 | Building construction concrete spraying device and spraying method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115538743A true CN115538743A (en) | 2022-12-30 |
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ID=84719286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211348172.9A Pending CN115538743A (en) | 2022-10-31 | 2022-10-31 | Building construction concrete spraying device and spraying method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115538743A (en) |
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2022
- 2022-10-31 CN CN202211348172.9A patent/CN115538743A/en active Pending
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