CN111906889A - Efficient anti-cracking multifunctional concrete mortar and process thereof - Google Patents
Efficient anti-cracking multifunctional concrete mortar and process thereof Download PDFInfo
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- CN111906889A CN111906889A CN202010746146.6A CN202010746146A CN111906889A CN 111906889 A CN111906889 A CN 111906889A CN 202010746146 A CN202010746146 A CN 202010746146A CN 111906889 A CN111906889 A CN 111906889A
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- concrete mortar
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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
- B28C5/003—Methods for mixing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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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
- E04G21/04—Devices for both conveying and distributing
Abstract
The invention relates to the technical field of mortar, in particular to high-efficiency anti-cracking multifunctional concrete mortar and a process thereof, wherein a used mortar machine comprises a machine body, a charging barrel and a controller; in the process of stirring and mixing the raw materials, the distribution state among different substances of each component is difficult to control in a balanced manner, so that the anti-cracking performance of the bamboo fiber component is influenced, the flatness of a concrete mortar layer needs to be repaired again, and the construction effect of the concrete mortar is weakened; therefore, the added raw materials are covered into layers by the disc vessel arranged below the charging barrel, and the motor respectively drives the operation state of the truss platform, so that the components of all the materials in the mixed raw materials are uniformly distributed, the phenomenon of layering among all the materials in the mixed raw materials is avoided, the crack resistance of the bamboo fibers in the concrete mortar is maintained, the repairing operation required after construction is reduced, and the construction effect of the prepared efficient crack-resistant multifunctional concrete mortar is improved.
Description
Technical Field
The invention relates to the technical field of mortar, in particular to high-efficiency anti-cracking multifunctional concrete mortar and a process thereof.
Background
The concrete mortar is prepared by mixing inorganic cementing materials, fine aggregates and water in proportion, is used for masonry and plastering engineering, and can be divided into masonry mortar and plastering mortar, wherein the masonry mortar is used for masonry of bricks, stones, building blocks and the like and installation of members; the latter is used for plastering the surfaces of wall surfaces, ground surfaces, roof surfaces, beam-column structures and the like so as to meet the requirements of protection, decoration and the like; the common mortar material is also prepared into paste by mixing gypsum, lime paste or clay with fibrous reinforcing material and adding water.
When the concrete mortar is used, the concrete mortar is stirred and mixed on site, the distribution state among different substances of each component is difficult to control in a balanced manner, the crack resistance effect of the bamboo fiber component is influenced, the flatness of the surface layer of the concrete mortar is difficult to control effectively in the construction process, and the concrete mortar needs to be repaired again.
Some technical schemes related to efficient anti-cracking multifunctional concrete mortar and a process thereof also appear in the prior art, for example, a chinese patent with application number 2016112273634 discloses saline-alkali resistant anti-cracking mortar and a preparation method thereof, wherein the mortar comprises the following raw materials in parts by weight: 25-40 parts of cement, 56-80 parts of river sand, 0.05-0.2 part of bamboo fiber, 0.5-1.5 parts of non-air-entraining small-molecular organic salt, 5-8 parts of mineral clay, 1.5-3.5 parts of an expanding agent, 0.2-0.5 part of a water reducing agent and 10-20 parts of water; non-air-entraining micromolecule organic salt is added into the mortar in the technical scheme, so that the pores among the mortar layers are further blocked on the basis of ensuring the water retention property, the penetration of sulfate ions is reduced, and the anti-permeability performance of the mortar is improved; on the other hand, the crack resistance of the mortar layer is improved by adding the bamboo fiber with light weight and strong toughness; however, the technical scheme does not solve the problem that the quality of the surface layer of the constructed concrete mortar is difficult to control due to the layering phenomenon caused by different densities among substances in the mixing process of the concrete mortar.
In view of the above, in order to overcome the above technical problems, the invention provides an efficient anti-cracking multifunctional concrete mortar and a process thereof, which adopts special efficient anti-cracking multifunctional concrete mortar using steps and solves the above technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides the efficient anti-cracking multifunctional concrete mortar and the process thereof.
The invention relates to a high-efficiency anti-cracking multifunctional concrete mortar which comprises the following components in parts by weight:
10-15 parts of cement,
25-35 parts of river sand,
12-20 parts of water,
5-8 parts of waste bamboo and wood,
3-6 parts of putty powder;
the waste bamboo and wood are crushed into monomers with the particle size of less than 0.6mm after being dried and screened; the putty powder is added into the waste bamboo and wood, so that the bonding state of the waste bamboo and wood in the concrete mortar is improved, burr gaps at the bonding positions of bamboo and wood fibers are filled by utilizing the filling effect of the putty powder, and the anti-cracking effect of the bamboo and wood fibers in the concrete mortar is maintained; the efficient anti-cracking multifunctional concrete mortar comprises the following use steps:
s1, proportioning raw materials, namely adding mortar raw materials in a quantitative proportion into different charging barrels of the mortar machine respectively, and adjusting the proportioning of the raw materials by controlling the inlets of the charging barrels to be in different opening and closing states; different raw materials are added into the charging barrel to be uniformly adjusted and proportioned, so that concrete mortar with different performance parameters is prepared, and the application of the concrete mortar under different working conditions is met;
s2, uniformly mixing and filling, after the mortar machine in S1 is started, covering the raw materials on a disc dish below through the intermittent opening of each charging barrel, and controlling the disc dish to be in a vibration state in the horizontal direction to prepare a finished product of concrete mortar; the proportioned concrete mortar is placed on the surface layer of a disc dish for oscillation treatment, so that the layering phenomenon of materials with different density components is avoided, and the concrete mortar with homogeneous components is obtained;
s3, pumping and spraying; pumping the mortar prepared in the step S2 into the spraying pipe from the disc dish, and enabling the pumped mortar to change phases along with the displacement of the spraying pipe by controlling the change of the pumping pressure of the mortar machine; the pumping capacity of the concrete mortar is controlled to be matched with the moving path of the spraying pipe, so that the flatness of a sprayed concrete mortar layer in construction is ensured, and the operation of repairing the concrete mortar layer is reduced;
wherein the mortar machine described in S1-S3 comprises a machine body, a charging barrel and a controller; the top end of the machine body is provided with an opening, a charging barrel is arranged above the machine body, and the bottom end of the charging barrel extends into the machine body through the opening; a truss platform is arranged inside the machine body, a disc dish is arranged in the truss platform, and the truss platform drives the disc dish to move in the horizontal direction; the disc dish is positioned below the charging barrel, a groove is formed in the circumferential direction of the disc dish, and a communicated spraying pipe is arranged on the groove; a barrel seat frame is arranged above the truss platform, the barrel seat frame is arranged on the opening and fixed with the outer wall of the charging barrel, and the barrel seat frame drives the charging barrel to move in the vertical direction; motors which are independently driven are respectively arranged on the truss platform and the cylinder seat frame; the bottom of the charging barrel is provided with an annular bag, and the annular bag acts with the bottom of the barrel seat frame along with the movement of the charging barrel, so that the bottom end of the charging barrel is sealed by the deformation of the annular bag; the controller is used for controlling the operation of the mortar machine; during construction, various raw materials of concrete mortar are stirred and mixed on site, the raw materials are covered on a construction area through an operation tool, and the concrete mortar on the surface layer is mechanically treated to reach the standard of construction requirements; therefore, the invention starts the controller to lead the charging barrel on the barrel seat frame to descend through the charging barrel arranged on the mortar machine, presses the annular bag to lead the bottom of the charging barrel to be closed, adds all raw materials in the concrete mortar into the charging barrel respectively, controls the running state of the driving motor through the controller to lead the raw materials added into the charging barrel to vibrate, controls the adding amount of the materials in the charging barrel in the deformation process of the annular bag to lead the materials to be mixed on the disc dish in the machine body, and prepares the required concrete mortar by controlling the reciprocating motion state of the truss platform in the horizontal direction; according to the invention, the annular bag arranged at the bottom of the charging barrel is utilized, the circulation process of materials at the bottom of the charging barrel is promoted through the deformation action of the annular bag, the added raw materials are covered into layers through the disk vessel below the charging barrel, and the running states of the truss platforms are respectively driven and adjusted through the motor, so that the components of all the materials in the mixed raw materials are uniformly distributed, the phenomenon of layering among all the materials in the excessively deep mixed raw materials is avoided, the functionality of bamboo fibers in concrete mortar is maintained, the required repair operation after construction is reduced, and the construction effect of the prepared efficient anti-cracking multifunctional concrete mortar is further improved.
Preferably, a driving motor is arranged at the bottom of the disc dish, and the disc dish is rotatably arranged on the truss platform; a raised shaft lever is arranged in the middle of the disc dish, a surrounding bent bar is arranged on the cylindrical surface of the shaft lever, and the bent bar is attached to the surface of the disc dish; in the oscillation process of the raw materials on the disc dish under the action of the truss table, the raw materials added into the charging barrel are required to be firstly mixed and covered on the whole surface of the disc dish, and after the mixing process of the raw materials is finished, the concrete mortar is transferred into the spraying pipe on the circumference of the spraying pipe; therefore, the disc vessel is rotatably arranged on the truss platform, and the motor driven by the bottom of the disc vessel is matched with the bent strip arranged on the shaft rod, so that raw materials added in the charging barrel are deflected and covered on the surface of the disc vessel under the centrifugal action in the rotating process of the disc vessel, the power of the driven motor is improved after the mixing process of the raw materials is completed, and simultaneously, concrete mortar in the disc vessel is guided into the spraying pipe through the circumferential grooves under the action of the bent strip, so that the high-efficiency transfer of the concrete mortar in the preparation process is realized, and the construction efficiency of the high-efficiency anti-cracking multifunctional concrete mortar is improved.
Preferably, the top end of the shaft lever is provided with a belt disc, and disc surfaces with different diameters are arranged on the belt disc; the drum seat frame is rotatably arranged on the opening, a disc column is arranged at the bottom of the drum seat frame, and a transmission belt is arranged between the disc column and the disc; the belt is arranged on different disc surfaces according to different raw materials added in the charging barrel; the barrel seat frame on the machine body drives the material barrel to generate vertical vibration, so that materials in the material barrel are clamped into a pit formed in the center of the annular bag, and meanwhile, under the action of gravity of the materials above the material barrel, impact force borne by the annular bag is intensified, and the sealing effect of the materials in the material barrel is further influenced; therefore, the barrel seat frame on the opening drives the charging barrel to rotate through the disk column arranged on the barrel seat frame and the belt is in transmission connection with the disk disc on the shaft rod, a centrifugal effect of rotation is exerted on materials in the charging barrel, so that the impact force of the materials on the center of the annular bag in the process of moving in the vertical direction is relieved, the sealing performance of the annular bag on the bottom end of the charging barrel is ensured, meanwhile, the belt is in transmission connection with the disk surfaces of different diameters on the disk disc, corresponding rotating speeds are transmitted to the charging barrel added with different materials, the balance between the gravity and the centrifugal force of the materials in the charging barrel is maintained, and the preparation effect of the efficient anti-cracking multifunctional concrete mortar is further improved.
Preferably, the bending strip comprises a bending rod and an elastic rod; the ends of the bent rods are hinged, and grooves are formed in the rod faces of the bent rods; one end of the elastic rod close to the shaft rod is slidably arranged in the groove, and the other end of the elastic rod is fixed on the bent rod; the shaft lever is provided with a winding pull rope, and the tail end of the pull rope is connected with the sliding installation end of the elastic rod through a groove; the raw materials mixed on the disc dish are in two states of covering mixing and centrifugal transfer in the processing process of the working procedure, the switching of the mixing state of the raw materials on the disc dish needs to be controlled conveniently, and the stability of the performance of the concrete mortar is maintained; therefore, the invention utilizes the pull rope in the groove of the bent rod to wind on the shaft rod through the bent rod and the elastic rod which are hinged on the bent strip, changes the sliding position of the elastic rod connected with the tail end of the pull rope in the groove by controlling the rotating direction of the shaft rod, enables the elastic sense to push the bent rod open or fold, and further controls the working procedure state of the raw materials on the disc dish in time, thereby ensuring the performance parameters of the high-efficiency anti-crack multifunctional concrete mortar in the preparation.
Preferably, a spraying frame is arranged on a port of the spraying pipe, and a roller is arranged at the bottom of the spraying frame; a locking block is arranged on a wheel shaft of the roller and used for adjusting the inclination angle of the spraying frame arranged on the roller; the prepared concrete mortar is transferred to a construction target position through the spraying pipe, and in the moving process of the spraying pipe in a construction site, the relative positions of the pipe orifice and the bottom surface of the spraying pipe are changed, so that the adjacent concrete mortar are in different solid states, the forming consistency of the pumped concrete mortar is influenced, and the repairing workload of the concrete mortar is increased; therefore, the distance between the spraying pipe and the ground is ensured through the spraying frame arranged on the port of the spraying pipe, and the included angle between the spraying pipe and the ground is adjusted through the locking block arranged on the roller of the spraying frame, so that the spraying frame is adaptive to the construction standards of concrete mortar with different parameters, and the construction effect of efficient anti-crack multifunctional concrete mortar is improved.
A high-efficiency anti-cracking multifunctional concrete mortar process is suitable for the high-efficiency anti-cracking multifunctional concrete mortar, and comprises the following steps:
i, sorting and crushing: respectively crushing river sand and waste bamboo and wood in the selected mortar raw materials, wherein the crushed particle size of the river sand is controlled to be 0.2-0.8mm, and the fiber length of the waste bamboo and wood is controlled to be 1-1.6 mm; the cracking resistance effect of the bamboo fiber in the concrete mortar under the action of the bamboo fiber is ensured by controlling the size relation between the crushed bamboo fiber and the grain diameter of the river sand;
II, soaking, combing and washing: soaking the river sand and the waste bamboo and wood crushed in the step I in a water tank, controlling the temperature in the water tank within 25-45 ℃, carding the mixture of the river sand and the waste bamboo and wood through a mechanical brush in the water tank, cleaning floating objects, taking out the river sand and the waste bamboo and wood, draining, and sealing according to the performance proportion of the prepared mortar; impurities in river sand and bamboo wood are combed out, so that the purity of the prepared concrete mortar is ensured, and the efficient anti-cracking performance of the concrete mortar is maintained;
III, mixing mortar: adding river sand and waste bamboo and wood sealed in the step II into a charging barrel of a mortar machine, simultaneously adding corresponding amounts of cement, putty powder and water into different charging barrels, preparing concrete mortar by mixing the charging barrel and a disc dish in the mortar machine, and operating to a construction position by a spraying pipe of the mortar machine; through the mixing and construction process in the mortar machine, the interference of external factors is avoided, and the operation effect of concrete mortar construction is improved;
IV, hydration maintenance: after the concrete mortar in the step III is constructed, enabling the concrete mortar to contact with air for 40-50min, spraying water mist on the surface of the concrete mortar and covering a plastic film, controlling the sprayed water mist amount not to form liquid beads on the surface layer of the concrete mortar, observing the disappearance of the water mist of the concrete mortar layer through the plastic film, and finishing a maintenance process; the hydration degree of the concrete mortar is guided by controlling the sprayed water mist amount, and the stability of the concrete mortar after molding is improved by the maintenance effect of the covering mold.
The invention has the following beneficial effects:
1. the invention promotes the circulation process of the material at the bottom of the charging barrel through the annular bag arranged at the bottom of the charging barrel, and ensures that all material components in the added raw material are uniformly distributed through the disc dish below the charging barrel; the disc ware that sets up rotates to be installed on the truss platform, has reached the high-efficient transfer to preparation in-process concrete mortar.
2. The sealing performance of the annular bag to the bottom end of the charging barrel is ensured through the disk columns arranged on the barrel seat frame, and meanwhile, the belt is connected to disk surfaces with different diameters on the disk disks in a transmission manner, so that the balance between the gravity and the centrifugal force of materials in the charging barrel is maintained; the bent rod and the elastic rod are hinged on the bent strip, and the working procedure state of the raw materials on the disc dish is controlled; the spraying frame arranged on the port of the spraying pipe is adaptive to the construction standards of concrete mortar with different parameters.
Drawings
The invention is further described with reference to the following figures and embodiments.
FIG. 1 is a flow chart of the steps of using the high-efficiency anti-cracking multifunctional concrete mortar in the invention;
FIG. 2 is a flow chart of the efficient anti-cracking multifunctional concrete mortar process of the invention;
FIG. 3 is a perspective view of the mortar machine of the present invention;
FIG. 4 is a perspective view of the internal structure of the mortar machine of the present invention;
FIG. 5 is a perspective view of a flexure bar assembly of the present invention;
FIG. 6 is a partial enlarged view of FIG. 4 at A;
FIG. 7 is a partial enlarged view of FIG. 4 at B;
in the figure: the device comprises a machine body 1, an opening hole 11, a charging barrel 2, an annular bag 21, a truss table 3, a disc dish 4, a slot 41, a shaft rod 42, a pull rope 43, a bent strip 44, a bent rod 441, a spring rod 442, a groove 443, a belt disc 45, a disc surface 451, a spraying pipe 5, a spraying frame 51, a roller 52, a locking block 521, a barrel seat frame 6, a disc column 61, a belt 62 and a motor 7.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 7, the efficient anti-cracking multifunctional concrete mortar provided by the invention comprises the following components in parts by weight:
10-15 parts of cement,
25-35 parts of river sand,
12-20 parts of water,
5-8 parts of waste bamboo and wood,
3-6 parts of putty powder;
the waste bamboo and wood are crushed into monomers with the particle size of less than 0.6mm after being dried and screened; the putty powder is added into the waste bamboo and wood, so that the bonding state of the waste bamboo and wood in the concrete mortar is improved, burr gaps at the bonding positions of bamboo and wood fibers are filled by utilizing the filling effect of the putty powder, and the anti-cracking effect of the bamboo and wood fibers in the concrete mortar is maintained; the efficient anti-cracking multifunctional concrete mortar comprises the following use steps:
s1, proportioning raw materials, namely adding mortar raw materials in a quantitative proportion into different charging barrels 2 of the mortar machine respectively, and adjusting the proportioning of the raw materials by controlling the inlets of the charging barrels 2 to be in different opening and closing states; different raw materials are added into the charging barrel 2 to be uniformly adjusted and proportioned, so that concrete mortar with different performance parameters is prepared, and the application of the concrete mortar under different working conditions is met;
s2, uniformly mixing and filling, after the mortar machine in S1 is started, covering the raw materials on a disc dish 4 below through the intermittent opening of each charging barrel 2, and controlling the disc dish 4 to be in a vibration state in the horizontal direction to prepare a finished product of concrete mortar; the proportioned concrete mortar is placed on the surface layer of the disc dish 4 for oscillation treatment, so that the layering phenomenon of materials with different density components is avoided, and the concrete mortar with homogeneous components is obtained;
s3, pumping and spraying; pumping the mortar prepared in the step S2 from the disc dish 4 to the spray pipe 5, and controlling the change of the pumping pressure of the mortar machine to ensure that the pumped mortar changes along with the displacement of the spray pipe 5; the pumping capacity of the concrete mortar is controlled to be matched with the moving path of the spraying pipe 5, so that the flatness of a sprayed concrete mortar layer in construction is ensured, and the operation of repairing the concrete mortar layer is reduced;
wherein the mortar machine described in S1-S3 comprises a machine body 1, a charging barrel 2 and a controller; the top end of the machine body 1 is provided with an opening 11, a charging barrel 2 is arranged above the machine body 1, and the bottom end of the charging barrel 2 extends into the machine body 1 through the opening 11; a truss platform 3 is arranged inside the machine body 1, a disc dish 4 is arranged in the truss platform 3, and the truss platform 3 drives the disc dish 4 to move in the horizontal direction; the disc dish 4 is positioned below the charging barrel 2, a slot 41 is formed in the circumferential direction of the disc dish 4, and the slot 41 is provided with a communicated spraying pipe 5; a barrel seat frame 6 is arranged above the truss platform 3, the barrel seat frame 6 is arranged on the opening 11 and fixed with the outer wall of the charging barrel 2, and the barrel seat frame 6 drives the charging barrel 2 to move in the vertical direction; the truss frame 3 and the barrel frame 6 are respectively provided with a motor 7 which is driven independently; the bottom of the charging barrel 2 is provided with an annular bag 21, and the annular bag 21 is acted with the bottom of the barrel seat frame 6 along with the movement of the charging barrel 2, so that the bottom end of the charging barrel 2 is sealed by the deformation of the annular bag 21; the controller is used for controlling the operation of the mortar machine; during construction, various raw materials of concrete mortar are stirred and mixed on site, the raw materials are covered on a construction area through an operation tool, and the concrete mortar on the surface layer is mechanically treated to reach the standard of construction requirements; therefore, according to the invention, the charging barrel 2 arranged on the mortar machine is started, the controller is started to enable the charging barrel 2 on the barrel seat frame 6 to descend, the annular bag 21 is pressed to enable the bottom of the charging barrel 2 to be closed, all raw materials in the concrete mortar are respectively added into the charging barrel 2, the running state of the driving motor 7 is controlled through the controller, the raw materials added into the charging barrel 2 are vibrated, the adding amount of the materials in the charging barrel 2 is controlled in the deformation process of the annular bag 21, the materials are mixed on the disc dish 4 in the machine body 1, and the required concrete mortar is prepared by controlling the reciprocating motion state of the truss platform 3 in the horizontal direction; according to the invention, the annular bag 21 arranged at the bottom of the charging barrel 2 is utilized, the circulation process of the materials at the bottom of the charging barrel 2 is promoted through the deformation action of the annular bag 21, the added raw materials are covered into layers through the disk dish 4 below the charging barrel 2, and the running state of the truss platform 3 is respectively driven and adjusted through the motor 7, so that the components of all the materials in the mixed raw materials are uniformly distributed, the layering phenomenon among all the materials in the mixed raw materials which are too deep is avoided, the functionality of the bamboo fibers in the concrete mortar is maintained, the repairing operation required after construction is reduced, and the construction effect of the prepared efficient anti-cracking multifunctional concrete mortar is further improved.
As an embodiment of the present invention, a driving motor is disposed at the bottom of the disk dish 4, and the disk dish 4 is rotatably mounted on the truss platform 3; a raised shaft rod 42 is arranged in the middle of the disc dish 4, a surrounding bent strip 44 is arranged on the cylindrical surface of the shaft rod 42, and the bent strip 44 is attached to the surface of the disc dish 4; in the oscillation process of the raw materials on the disc dish 4 under the action of the truss platform 3, the raw materials added into the charging barrel 2 are firstly mixed and covered on the whole surface of the disc dish 4, and after the mixing process of the raw materials is finished, the concrete mortar is transferred into the spraying pipe 5 on the circumference of the raw materials; therefore, the arranged disc vessel 4 is rotatably arranged on the truss platform 3, and is matched with the bent strip 44 arranged on the shaft rod 42 through the motor driven at the bottom of the disc vessel 4, the raw materials added in the charging barrel 2 are enabled to be deflected and covered on the surface of the disc vessel 4 under the centrifugal action in the rotating process of the disc vessel 4, after the mixing process of the raw materials is completed, the power of the driven motor is improved, and meanwhile, the concrete mortar in the disc vessel 4 is led into the spraying pipe 5 through the circumferential open groove 41 under the action of the bent strip 44, so that the high-efficiency transfer of the concrete mortar in the preparation process is achieved, and the construction efficiency of the high-efficiency anti-cracking multifunctional concrete mortar is improved.
As an embodiment of the present invention, the top end of the shaft rod 42 is provided with a tape reel 45, and the tape reel 45 is provided with a disk surface 451 with different diameters; the drum seat frame 6 is rotatably arranged on the opening hole 11, a disc column 61 is arranged at the bottom of the drum seat frame 6, and a transmission belt 62 is arranged between the disc column 61 and the disc 45; the belt 62 is arranged on different disc surfaces 451 according to different raw materials added in the barrel 2; the barrel seat frame 6 on the machine body 1 drives the barrel 2 to generate vertical vibration, so that materials in the barrel are clamped into a pit formed in the center of the annular bag 21, and meanwhile, under the action of gravity of the materials above the barrel 2, impact force borne by the annular bag 21 is intensified, and the sealing effect of the materials in the barrel 2 is further influenced; therefore, the invention is in transmission connection with the belt disc 45 on the shaft lever 42 through the belt 62 by the disc column 61 arranged on the barrel seat frame 6, so that the barrel seat frame 6 on the opening 11 drives the barrel 2 to rotate, and applies a rotating centrifugal action to the material in the barrel 2 to slow down the impact force to the center of the annular bag 21 in the process of moving in the vertical direction, thereby ensuring the sealing property of the annular bag 21 to the bottom end of the barrel 2, meanwhile, the belt 62 is in transmission connection with the disc surfaces 451 with different diameters on the belt disc 45, transmits corresponding rotating speeds to the barrel 2 added with different materials, maintains the balance between the gravity and the centrifugal force of the material in the barrel 2, and further improves the preparation effect of the efficient anti-cracking multifunctional concrete mortar.
As an embodiment of the present invention, the bending bar 44 includes a bending rod 441 and a resilient rod 442; the ends of the bent rod 441 are hinged, and a groove 443 is arranged on the surface of the rod 441; one end of the elastic rod 442 close to the shaft 42 is slidably mounted in the groove 443, and the other end of the elastic rod 442 is fixed on the bent rod 441; the shaft lever 42 is provided with a winding pull rope 43, and the tail end of the pull rope 43 is connected with the sliding installation end of the elastic rod 442 through a groove 443; the raw materials mixed on the disc dish 4 are in two states of covering mixing and centrifugal transfer in the processing process of the working procedure, the switching of the mixed state of the raw materials on the disc dish 4 needs to be controlled conveniently, and the stability of the performance of the concrete mortar is maintained; therefore, the present invention uses the bending rod 441 and the elastic rod 442 hinged on the bending bar 44, and the pulling rope 43 in the groove 443 of the bending rod 441 is wound on the shaft rod 42, and by controlling the rotation direction of the shaft rod 42, the sliding position of the elastic rod 442 connected to the end of the pulling rope 43 in the groove 443 is changed, so that the bending rod 441 is pushed or folded by the elastic force, and the working procedure state of the raw material on the disc dish 4 is controlled, thereby ensuring the performance parameters of the high-efficiency anti-crack multifunctional concrete mortar in the preparation.
As an embodiment of the present invention, a spraying frame 51 is disposed on a port of the spraying pipe 5, and a roller 52 is disposed at the bottom of the spraying frame 51; a locking block 521 is arranged on a wheel shaft of the roller 52, and the locking block 521 is used for adjusting the inclination angle of the spraying frame 51 installed on the roller 52; the prepared concrete mortar is transferred to a construction target position through the spraying pipe 5, and in the moving process of the spraying pipe 5 in a construction site, the relative positions of the pipe orifice and the bottom surface of the spraying pipe 5 are changed, so that the adjacent concrete mortar are in different solid states, the forming consistency of the pumped concrete mortar is influenced, and the repairing workload of the concrete mortar is increased; therefore, the distance between the spraying pipe 5 and the ground is ensured through the spraying frame 51 arranged on the port of the spraying pipe 5, the included angle between the spraying pipe 5 and the ground is adjusted through the locking block 521 arranged on the roller 52 of the spraying frame 51, and the construction standard of concrete mortar with different parameters is further adapted, so that the construction effect of the high-efficiency anti-cracking multifunctional concrete mortar is improved.
The invention relates to a high-efficiency anti-cracking multifunctional concrete mortar process, which is suitable for the high-efficiency anti-cracking multifunctional concrete mortar and comprises the following steps:
i, sorting and crushing: respectively crushing river sand and waste bamboo and wood in the selected mortar raw materials, wherein the crushed particle size of the river sand is controlled to be 0.2-0.8mm, and the fiber length of the waste bamboo and wood is controlled to be 1-1.6 mm; the cracking resistance effect of the bamboo fiber in the concrete mortar under the action of the bamboo fiber is ensured by controlling the size relation between the crushed bamboo fiber and the grain diameter of the river sand;
II, soaking, combing and washing: soaking the river sand and the waste bamboo and wood crushed in the step I in a water tank, controlling the temperature in the water tank within 25-45 ℃, carding the mixture of the river sand and the waste bamboo and wood through a mechanical brush in the water tank, cleaning floating objects, taking out the river sand and the waste bamboo and wood, draining, and sealing according to the performance proportion of the prepared mortar; impurities in river sand and bamboo wood are combed out, so that the purity of the prepared concrete mortar is ensured, and the efficient anti-cracking performance of the concrete mortar is maintained;
III, mixing mortar: adding river sand and waste bamboo and wood sealed in the step II into a charging barrel 2 of a mortar machine, simultaneously adding corresponding amounts of cement, putty powder and water into different charging barrels 2, preparing concrete mortar by mixing the charging barrel 2 with a disc dish 4 in the mortar machine, and operating to a construction position by a spraying pipe 5 of the mortar machine; through the mixing and construction process in the mortar machine, the interference of external factors is avoided, and the operation effect of concrete mortar construction is improved;
IV, hydration maintenance: after the concrete mortar in the step III is constructed, enabling the concrete mortar to contact with air for 40-50min, spraying water mist on the surface of the concrete mortar and covering a plastic film, controlling the sprayed water mist amount not to form liquid beads on the surface layer of the concrete mortar, observing the disappearance of the water mist of the concrete mortar layer through the plastic film, and finishing a maintenance process; the hydration degree of the concrete mortar is guided by controlling the sprayed water mist amount, and the stability of the concrete mortar after molding is improved by the maintenance effect of the covering mold.
When in use, various raw materials of the concrete mortar are stirred and mixed on site, covered on a construction area by an operation tool, and the concrete mortar on the surface layer is mechanically treated to reach the standard of construction requirements; starting a controller to enable the charging barrel 2 on the barrel seat frame 6 to descend through the charging barrel 2 arranged on the mortar machine, pressing the annular bag 21 to enable the bottom of the charging barrel 2 to be closed, adding each raw material in the concrete mortar into the charging barrel 2 respectively, controlling the running state of the driving motor 7 through the controller to enable the raw materials added into the charging barrel 2 to vibrate, controlling the adding amount of the materials in the charging barrel 2 in the deformation process of the annular bag 21 to enable the materials to be mixed on the disc dish 4 in the machine body 1, and controlling the reciprocating motion state of the truss table 3 in the horizontal direction to prepare the required concrete mortar; the arranged disc dish 4 is rotatably arranged on the truss platform 3 and is matched with a bent bar 44 arranged on a shaft rod 42 through a motor driven at the bottom of the disc dish 4, raw materials added in the charging barrel 2 are enabled to be offset and covered on the surface of the disc dish 4 under the centrifugal action in the rotating process of the disc dish 4, after the mixing process of the raw materials is completed, the power of the driven motor is improved, and meanwhile, concrete mortar in the disc dish 4 is led into the spraying pipe 5 through the circumferential open groove 41 under the action of the bent bar 44, so that the efficient transfer of the concrete mortar in the preparation process is achieved; the disc column 61 arranged on the cylinder seat frame 6 is in transmission connection with the disc 45 on the shaft rod 42 through a belt 62, so that the cylinder seat frame 6 on the opening 11 drives the material cylinder 2 to rotate, a centrifugal action of rotation is applied to the material in the material cylinder 2, the impact force on the center of the annular bag 21 in the process of moving in the vertical direction is relieved, the sealing performance of the annular bag 21 on the bottom end of the material cylinder 2 is ensured, meanwhile, the belt 62 is in transmission connection with the disc surfaces 451 of different diameters on the disc 45, the corresponding rotating speed is transmitted to the material cylinder 2 added with different materials, and the balance between the gravity and the centrifugal force of the material in the material cylinder 2 is maintained; the bent rod 441 and the elastic rod 442 which are hinged on the bent bar 44 are wound on the shaft rod 42 by the pull rope 43 in the groove 443 of the bent rod 441, and the position of the elastic rod 442 connected with the tail end of the pull rope 43 sliding in the groove 443 is changed by controlling the rotating direction of the shaft rod 42, so that the bent rod 441 is pushed or folded by elasticity, and the process state of the raw materials on the disc dish 4 is controlled; the spraying frame 51 arranged on the port of the spraying pipe 5 ensures the distance between the spraying pipe 5 and the ground, and the locking block 521 arranged on the roller 52 of the spraying frame 51 adjusts the included angle between the spraying pipe 5 and the ground so as to adapt to the construction standards of concrete mortar with different parameters.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The efficient anti-cracking multifunctional concrete mortar is characterized by comprising the following components in parts by weight:
10-15 parts of cement,
25-35 parts of river sand,
12-20 parts of water,
5-8 parts of waste bamboo and wood,
3-6 parts of putty powder;
the waste bamboo and wood are crushed into monomers with the particle size of less than 0.6mm after being dried and screened; the efficient anti-cracking multifunctional concrete mortar comprises the following use steps:
s1, proportioning raw materials, namely adding mortar raw materials in a quantitative proportion into different charging barrels (2) of the mortar machine respectively, and adjusting the proportioning among the raw materials by controlling the inlets of the charging barrels (2) to be in different opening and closing states;
s2, uniformly mixing and filling, after the mortar machine in the S1 is started, covering the raw materials on a disc dish (4) below through the intermittent opening of each charging barrel (2), and controlling the disc dish (4) to be in a vibration state in the horizontal direction to prepare a finished product of the concrete mortar;
s3, pumping and spraying; pumping the mortar prepared in the step S2 from the disc dish (4) to the spraying pipe (5), and enabling the pumped mortar to change phases along with the displacement of the spraying pipe (5) by controlling the change of the pumping pressure of the mortar machine;
the mortar machine described in S1-S3 comprises a machine body (1), a charging barrel (2) and a controller; the top end of the machine body (1) is provided with an opening (11), a charging barrel (2) is arranged above the machine body (1), and the bottom end of the charging barrel (2) extends into the machine body (1) through the opening (11); a truss platform (3) is arranged inside the machine body (1), a disc dish (4) is arranged in the truss platform (3), and the truss platform (3) drives the disc dish (4) to move in the horizontal direction; the disc dish (4) is positioned below the charging barrel (2), a groove (41) is formed in the circumferential direction of the disc dish (4), and the groove (41) is provided with a communicated spraying pipe (5); a barrel seat frame (6) is arranged above the truss platform (3), the barrel seat frame (6) is arranged on the opening (11) and fixed with the outer wall of the charging barrel (2), and the barrel seat frame (6) drives the charging barrel (2) to move in the vertical direction; the truss platform (3) and the barrel seat frame (6) are respectively provided with a motor (7) which is driven independently; the bottom of the charging barrel (2) is provided with an annular bag (21), the annular bag (21) acts with the bottom of the barrel seat frame (6) along with the movement of the charging barrel (2), so that the bottom end of the charging barrel (2) is sealed by the deformation of the annular bag (21); the controller is used for controlling the operation (2) of the mortar machine.
2. The multifunctional concrete mortar with high efficiency and crack resistance according to claim 1, characterized in that; a driving motor (42) is arranged at the bottom of the disc dish (4), and the disc dish (4) is rotatably arranged on the truss platform (3); the middle of the disc dish (4) is provided with a raised shaft rod (43), a surrounding bent strip (44) is arranged on the cylindrical surface of the shaft rod (43), and the bent strip (44) is attached to the surface of the disc dish (4).
3. The efficient anti-cracking multifunctional concrete mortar of claim 2, wherein: a belt reel (45) is arranged at the top end of the shaft lever (43), and disc surfaces (451) with different diameters are arranged on the belt reel (45); the drum seat frame (6) is rotatably arranged on the open hole (11), a disc column (61) is arranged at the bottom of the drum seat frame (6), and a transmission belt (62) is arranged between the disc column (61) and the disc (45); the belt (62) is arranged on different disc surfaces (451) according to different raw materials added in the barrel (2).
4. The efficient anti-cracking multifunctional concrete mortar of claim 2, wherein: the bent bar (44) comprises a bent rod (441) and an elastic rod (442); the end parts of the bent rods (441) are hinged, and grooves (443) are formed in the rod faces of the bent rods (441); one end of the elastic rod (442) close to the shaft lever (43) is slidably arranged in the groove (443), and the other end of the elastic rod (442) is fixed on the bent rod (441); the shaft lever (43) is provided with a winding pull rope (431), and the tail end of the pull rope (431) is connected with the sliding installation end of the elastic rod (442) through a groove (443).
5. The efficient anti-cracking multifunctional concrete mortar of claim 1, wherein: a spraying frame (51) is arranged on the port of the spraying pipe (5), and a roller (52) is arranged at the bottom of the spraying frame (51); a locking block (521) is arranged on a wheel shaft of the roller (52), and the locking block (521) is used for adjusting the inclination angle of the spraying frame (51) installed on the roller (52).
6. The process for preparing the efficient anti-cracking multifunctional concrete mortar is characterized by being applicable to the efficient anti-cracking multifunctional concrete mortar in any one of claims 1 to 5 and comprising the following steps:
i, sorting and crushing: respectively crushing river sand and waste bamboo and wood in the selected mortar raw materials, wherein the crushed particle size of the river sand is controlled to be 0.2-0.8mm, and the fiber length of the waste bamboo and wood is controlled to be 1-1.6 mm;
II, soaking, combing and washing: soaking the river sand and the waste bamboo and wood crushed in the step I in a water tank, controlling the temperature in the water tank within 25-45 ℃, carding the mixture of the river sand and the waste bamboo and wood through a mechanical brush in the water tank, cleaning floating objects, taking out the river sand and the waste bamboo and wood, draining, and sealing according to the performance proportion of the prepared mortar;
III, mixing mortar: adding river sand and waste bamboo wood sealed in the step II into a charging barrel (2) of a mortar machine, simultaneously adding corresponding amounts of cement, putty powder and water into different charging barrels (2), preparing concrete mortar by mixing the charging barrel (2) with a disc dish (4) in the mortar machine, and operating to a construction position through a spraying pipe (5) of the mortar machine;
IV, hydration maintenance: and after the concrete mortar in the step III is constructed, contacting the concrete mortar with air for 40-50min, spraying water mist on the surface of the concrete mortar and covering a plastic film, controlling the sprayed water mist to be not more than liquid beads formed on the surface layer of the concrete mortar, observing the disappearance of the water mist of the concrete mortar layer through the plastic film, and finishing the maintenance process.
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| CN112502391A (en) * | 2020-11-20 | 2021-03-16 | 中铁建工集团有限公司 | Crack-resistant construction process based on foamed concrete |
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