CN113510849A - Concrete mixing device is used in civil engineering construction - Google Patents

Concrete mixing device is used in civil engineering construction Download PDF

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Publication number
CN113510849A
CN113510849A CN202110902852.XA CN202110902852A CN113510849A CN 113510849 A CN113510849 A CN 113510849A CN 202110902852 A CN202110902852 A CN 202110902852A CN 113510849 A CN113510849 A CN 113510849A
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CN
China
Prior art keywords
conveyor belt
civil engineering
stirring
engineering construction
shell
Prior art date
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Pending
Application number
CN202110902852.XA
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Chinese (zh)
Inventor
张向辉
刘万村
朱琳琳
王雪
王天成
张志伟
葛贝德
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Harbin Vocational and Technical College
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Harbin Vocational and Technical College
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Publication date
Application filed by Harbin Vocational and Technical College filed Critical Harbin Vocational and Technical College
Priority to CN202110902852.XA priority Critical patent/CN113510849A/en
Publication of CN113510849A publication Critical patent/CN113510849A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08Apparatus 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
    • B28C5/10Mixing in containers not actuated to effect the mixing
    • B28C5/12Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
    • B28C5/16Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/28Details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/04Supplying or proportioning the ingredients
    • B28C7/06Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/16Discharge means, e.g. with intermediate storage of fresh concrete
    • B28C7/162Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Abstract

The utility model provides a concrete mixing device is used in civil engineering construction, it relates to a concrete mixing device, concretely relates to concrete mixing device is used in civil engineering construction. The invention aims to solve the problems that the concrete stirring device used in the existing civil engineering construction only has a stirring function, and the stirring processing of concrete can be completed only by multiple procedures for assistance before the concrete stirring device is used, so that the field construction efficiency is lower, and the subsequent working efficiency is influenced. The invention comprises a stone crushing mechanism, a conveying mechanism, a screening mechanism, an elevating mechanism and a stirring mechanism; the stone crushing mechanism, the conveying mechanism, the screening mechanism, the lifting mechanism and the stirring mechanism are sequentially arranged from left to right, an outlet of the stone crushing mechanism is located above the starting end of the conveying mechanism, the tail end of the conveying mechanism is located above an inlet of the screening mechanism, an outlet of the screening mechanism is located above the starting end of the lifting mechanism, and the tail end of the lifting mechanism is located above an inlet of the stirring mechanism. The invention belongs to the field of civil engineering.

Description

Concrete mixing device is used in civil engineering construction
Technical Field
The invention relates to a concrete stirring device, in particular to a concrete stirring device for civil engineering construction, and belongs to the field of civil engineering.
Background
The concrete is artificial stone which is prepared by taking cement as a main cementing material, adding water, sand, stones and chemical additives and mineral admixtures if necessary, mixing the materials according to a proper proportion, uniformly stirring, densely molding, curing and hardening. Concrete is mainly divided into two stages and states: plastic state before setting and hardening, namely fresh concrete or concrete mixture; hardened, i.e. hardened concrete or concrete. The concrete strength grade is divided into a cubic compressive strength standard value, and the Chinese common concrete strength grade is divided into 14 grades: c15, C20, C25, C30, C35, C40, C45, C50, C55, C60, C65, C70, C75 and C80. In concrete, sand and stone act as a framework, called aggregate; the cement and water form cement paste, and the cement paste wraps the surface of the aggregate and fills gaps of the aggregate. Before hardening, the cement slurry plays a role in lubrication, so that the mixture is endowed with certain workability, and the construction is convenient. After the cement slurry is hardened, the aggregate is cemented into a solid whole. Concrete is one of necessary materials in civil engineering construction, and sand and stones must be mixed and stirred before the concrete is used so as to ensure that the concrete has higher firmness and stability after being solidified. The concrete mixing device used in the existing civil engineering construction only has a mixing function, and the concrete mixing processing can be completed only by multiple auxiliary processes before the concrete mixing device is used, so that the field construction efficiency is lower, and the subsequent working efficiency is influenced.
Disclosure of Invention
The invention aims to solve the problems that the concrete stirring device used in the existing civil engineering construction only has a stirring function, and the stirring processing of concrete can be completed only by multiple procedures for assistance before the concrete stirring device is used, so that the field construction efficiency is lower, and the subsequent working efficiency is influenced, and further provides the concrete stirring device for civil engineering construction.
The technical scheme adopted by the invention for solving the problems is as follows: the invention comprises a stone crushing mechanism, a conveying mechanism, a screening mechanism, an elevating mechanism and a stirring mechanism; the stone crushing mechanism, the conveying mechanism, the screening mechanism, the lifting mechanism and the stirring mechanism are sequentially arranged from left to right, an outlet of the stone crushing mechanism is located above the starting end of the conveying mechanism, the tail end of the conveying mechanism is located above an inlet of the screening mechanism, an outlet of the screening mechanism is located above the starting end of the lifting mechanism, and the tail end of the lifting mechanism is located above an inlet of the stirring mechanism.
Further, the stone breaking mechanism comprises a shell, a rotor, a plurality of crushing hammers, a lining plate and an adjusting component; the rotor is installed in the casing, and the upper end of welt is rotated with the upper portion in the casing and is connected, adjusting part installs on the casing, just adjusting part is connected with the lateral surface of welt, and the welt is located the top of rotor, and a plurality of quartering hammers set up the edge at the rotor along the circumferencial direction equipartition.
Furthermore, the crushing hammer and the rotor are detachably connected together through at least two bolts, buffering clamping blocks are arranged on two sides of the crushing hammer, and rubber pads are arranged on contact surfaces of the buffering clamping blocks and the crushing hammer.
Further, the adjusting component comprises a screw rod, a nut and a spring; one end of the screw rod penetrates through the outer wall of the shell and then is hinged with the outer side face of the lining plate, the spring is sleeved on the screw rod and is located between the inner wall of the shell and the outer side face of the lining plate, the nut is sleeved at the other end of the screw rod, and the nut is located on the outer side of the shell.
Furthermore, the stone breaking mechanism also comprises an auxiliary lining plate and an adjusting bolt; the upper end of the auxiliary lining plate is rotatably connected with the lower part of the inner wall of the shell, and the adjusting bolt penetrates through a screw hole in the outer wall of the lower part of the shell and then is hinged with the outer side face of the auxiliary lining plate of the lining plate.
Further, the conveying mechanism comprises a conveying channel, a conveying auger, an auger driving motor and a guide inclined plate; conveying channel level sets up, and conveying channel's import is located casing bottom outlet, the direction swash plate is installed in the bottom of casing, and the upper end of direction swash plate and the inner wall connection of casing, the lower extreme of direction swash plate and conveying channel's access connection, carry the auger to install in conveying channel, the auger axle of carrying the auger passes through clutch and auger driving motor's rotation fixed connection, conveying channel's export is located the top of screening mechanism import.
Further, the screening mechanism comprises a support, a large stone block recovery box, an iron block recovery box, a scraper plate, a horizontal conveyor belt and a plurality of screening rollers;
be equipped with the sloping on the support, a plurality of screening rollers set up side by side along the sloping, and the clearance between two adjacent screening rollers is 20mm ~ 30mm, the horizontal conveyor level sets up, and the initiating terminal of horizontal conveyor is located the below of sloping, the end of horizontal conveyor is located the top of lift mechanism initiating terminal, big stone collection box sets up the below at the sloping low side, horizontal conveyor's internally surface mounting has magnet, the iron plate collection box sets up the below at horizontal conveyor, the vertical setting of scraper blade is at iron plate collection box open-ended left end, the upper end of scraper blade is adjacent not to meet with horizontal conveyor's lower surface.
Further, the screening mechanism also comprises two side plates; the two side plates are symmetrically arranged on two sides of the oblique beam.
Further, the lifting mechanism comprises a horizontal auxiliary conveyor belt and a lifting conveyor belt; the horizontal auxiliary conveyor belt and the lifting conveyor belt are sequentially arranged from left to right, the horizontal auxiliary conveyor belt is horizontally arranged below an outlet of the screening mechanism, the tail end of the horizontal auxiliary conveyor belt is connected with the starting end of the lifting conveyor belt, and the tail end of the lifting conveyor belt is positioned above an inlet of the stirring mechanism.
Further, the stirring mechanism comprises a supporting frame, a tank body, a speed reducing motor, a stirring shaft, a stirring frame, a turnover cover and a fixing frame;
jar body fixed mounting is on the support frame, and gear motor passes through the mount and installs the opening part in jar body upper end, and the vertical setting of (mixing) shaft is internal at jar, the upper end of (mixing) shaft and gear motor's axis of rotation fixed connection, and stirring frame fixed mounting is on the (mixing) shaft, and flip horizontal installation is at the opening part of jar body bottom.
The invention has the beneficial effects that: the method integrates the stone breaking, screening and stirring, shortens the preparation time of the concrete by two thirds, and improves the construction efficiency by more than 50%; the stone crushing mechanism can be used for adjusting crushed stones, so that the particle sizes of the crushed stones meet the construction requirements; the horizontal auxiliary conveyor belt can collect scattered gravels and convey the gravels to the lifting conveyor belt, so that the loss of the gravels in the conveying process is effectively reduced, and the economic benefit is improved; the invention is an integrated device, has high integration degree and is suitable for continuous civil engineering construction operation.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the rock breaking mechanism and the conveying mechanism;
FIG. 3 is a schematic structural view of the sifting mechanism;
FIG. 4 is a schematic structural view of the elevator mechanism;
fig. 5 is a schematic structural view of the stirring mechanism.
Detailed Description
The first embodiment is as follows: the concrete mixing device for civil engineering construction according to the present embodiment is described with reference to fig. 1 to 5, and includes a stone breaking mechanism 1, a conveying mechanism 2, a screening mechanism 3, an elevating mechanism 4, and a mixing mechanism 5; the stone crushing mechanism 1, the conveying mechanism 2, the screening mechanism 3, the lifting mechanism 4 and the stirring mechanism 5 are sequentially arranged from left to right, an outlet of the stone crushing mechanism 1 is located above the starting end of the conveying mechanism 2, the tail end of the conveying mechanism 2 is located above an inlet of the screening mechanism 3, an outlet of the screening mechanism 3 is located above the starting end of the lifting mechanism 4, and the tail end of the lifting mechanism 4 is located above an inlet of the stirring mechanism 5.
The second embodiment is as follows: the embodiment is described with reference to fig. 1 to 5, and the stone breaking mechanism 1 of the concrete mixing device for civil engineering construction according to the embodiment comprises a shell 1-1, a rotor 1-2, a plurality of crushing hammers 1-3, a lining plate 1-4 and an adjusting component; the rotor 1-2 is arranged in the shell 1-1, the upper end of the lining plate 1-4 is rotatably connected with the upper part in the shell 1-1, the adjusting component is arranged on the shell 1-1 and is connected with the outer side surface of the lining plate 1-4, the lining plate 1-4 is positioned above the rotor 1-2, and the plurality of crushing hammers 1-3 are uniformly distributed on the edge of the rotor 1-2 along the circumferential direction.
The inner surface of the lining plate 1-4 is provided with at least two convex angles which are matched with the crushing hammer 1-3 to strike and crush the sand.
Other components and connections are the same as those in the first embodiment.
The third concrete implementation mode: the embodiment is described with reference to fig. 1 to 5, the crushing hammer 1-3 and the rotor 1-2 of the concrete mixing device for civil engineering construction according to the embodiment are detachably connected together through at least two bolts, the two sides of the crushing hammer 1-3 are provided with the buffer clamping blocks 1-5, and the contact surface between the buffer clamping blocks 1-5 and the crushing hammer 1-3 is provided with the rubber pad.
The crushing hammer 1-3 is detachably connected with the rotor 1-2, so that the crushing hammer 1-3 can be conveniently replaced by gravels and adjusted, the buffering clamping blocks 1-5 are additionally arranged on the two sides of the crushing hammer 1-3, normal buffering support can be provided for the crushing hammer 1-3, the crushing hammer 1-3 is prevented from being broken due to too frequent rigid impact, and the service life of the crushing hammer 1-3 is prolonged by more than two times.
Other components and connection relationships are the same as those in the second embodiment.
The fourth concrete implementation mode: the present embodiment will be described with reference to fig. 1 to 5, and the adjusting assembly of the concrete mixing apparatus for civil engineering construction according to the present embodiment includes a screw 1-6, a nut 1-7, and a spring 1-8; one end of a screw rod 1-6 penetrates through the outer wall of the shell 1-1 and then is hinged with the outer side face of the lining plate 1-4, a spring 1-8 is sleeved on the screw rod 1-6, the spring 1-8 is positioned between the inner wall of the shell 1-1 and the outer side face of the lining plate 1-4, a nut 1-7 is sleeved at the other end of the screw rod 1-6, and the nut 1-7 is positioned on the outer side of the shell 1-1.
The clearance between the convex angle of the lining plate 1-4 and the crushing hammer 1-3 can be adjusted through the screw rod 1-6, so that the particle size of crushed sandstone is adjusted and controlled, the spring 1-8 can provide a certain buffer force for the lining plate 1-4, and the lining plate 1-4 is prevented from being broken due to long-term frequent rigid impact; the springs 1-8 are made of 304 stainless steel containing black elements, so that the springs 1-8 have higher hardness on the premise of having corrosion resistance, and the crushed sand and stone are prevented from containing more large-particle-size fragments due to the fact that the springs 1-8 are too large in elasticity.
Other components and connection relationships are the same as those in the second embodiment.
The fifth concrete implementation mode: the embodiment is described with reference to fig. 1 to 5, and the stone crushing mechanism 1 of the concrete mixing device for civil engineering construction according to the embodiment further includes auxiliary lining plates 1 to 9 and adjusting bolts 1 to 10; the upper end of the auxiliary lining plate 1-9 is rotatably connected with the lower part of the inner wall of the shell 1-1, and the adjusting bolt 1-10 is hinged with the outer side surface of the auxiliary lining plate 1-9 after passing through a screw hole on the outer wall of the lower part of the shell 1-1.
The lower end of the auxiliary lining plate 1-9 is provided with a convex angle which is matched with the crushing hammer 1-3 to carry out secondary crushing on the crushed sand with larger particle size on the upper part, so that the probability of the sand with large particle size entering the next procedure is further reduced, and meanwhile, the auxiliary lining plate 1-9 can adjust the gap between the convex angle at the lower end of the auxiliary lining plate 1-9 and the crushing hammer 1-3 on the rotor 1-2 through the rotation of the adjusting bolt 1-10.
Other components and connection relationships are the same as those in the second embodiment.
The sixth specific implementation mode: the embodiment is described with reference to fig. 1 to 5, and the conveying mechanism 2 of the concrete mixing device for civil engineering construction in the embodiment comprises a conveying channel 2-1, a conveying auger 2-2, an auger driving motor 2-3 and a guide inclined plate 2-4; the conveying channel 2-1 is horizontally arranged, an inlet 2-1-1 of the conveying channel 2-1 is positioned in an outlet at the bottom of the shell 1-1, the guide inclined plate 2-4 is arranged at the bottom of the shell 1-1, the upper end of the guide inclined plate 2-4 is connected with the inner wall of the shell 1-1, the lower end of the guide inclined plate 2-4 is connected with the inlet 2-1-1 of the conveying channel 2-1, the conveying auger 2-2 is arranged in the conveying channel 2-1, an auger shaft of the conveying auger 2-2 is fixedly connected with the rotation of an auger driving motor 2-3 through a clutch, and an outlet 2-1-2 of the conveying channel 2-1 is positioned above an inlet of the screening mechanism 3.
After crushed sandstone enters a conveying channel 2-1, a conveying auger 2-2 is driven by an auger driving motor 2-3 to rotate clockwise, and the conveying auger 2-2 pushes the crushed sandstone to move from left to right along the conveying channel 2-1 until the crushed sandstone is discharged from an outlet 2-1-2 and enters a screening mechanism 3; the conveying mode of the conveying auger is adopted, so that the conveying efficiency is high, the structure is simple, the failure rate is low, and the continuous operation capacity of the whole device is greatly improved.
Other components and connection relationships are the same as those in the first or second embodiment.
The seventh embodiment: the embodiment is described with reference to fig. 1 to 5, and the screening mechanism 3 of the concrete mixing device for civil engineering construction according to the embodiment comprises a support 3-1, a large stone block recovery box 3-2, an iron block recovery box 3-3, a scraper 3-4, a horizontal conveyor belt 3-5 and a plurality of screening rollers 3-6;
the bracket 3-1 is provided with an oblique beam 3-1-1, a plurality of screening rollers 3-6 are arranged side by side along the oblique beam 3-1-1, the gap between two adjacent screening rollers 3-6 is 20 mm-30 mm, the horizontal conveyor belt 3-5 is horizontally arranged, the starting end of the horizontal conveyor belt 3-5 is located below the inclined beam 3-1-1, the tail end of the horizontal conveyor belt 3-5 is located above the starting end of the lifting mechanism 4, the large stone block recovery box 3-2 is arranged below the lower end of the inclined beam 3-1-1, the inner surface of the horizontal conveyor belt 3-5 is provided with a magnet, the iron block recovery box 3-3 is arranged below the horizontal conveyor belt 3-5, the scraper 3-4 is vertically arranged at the left end of the opening of the iron block recovery box 3-3, and the upper end of the scraper 3-4 is adjacent to and not connected with the lower surface of the horizontal conveyor belt 3-5.
After crushed sandstone falls on the screening rollers 3-6, the sandstone with the particle size meeting the requirement falls on the horizontal conveyor belt 3-5 from a gap between the two screening rollers 3-6, the horizontal conveyor belt 3-5 conveys the sandstone meeting the requirement to the lifting mechanism, because the inner surface of the horizontal conveyor belt 3-5 is provided with a magnet, iron blocks in the sandstone are always adsorbed on the surface of the horizontal conveyor belt 3-5 under the magnetic force action of the magnet, when the iron blocks meet the scraper 3-4, the scraper 3-4 hangs the iron blocks from the surface of the horizontal conveyor belt 3-5 and falls into the iron block recovery box 3-3, and the sandstone with the particle size not meeting the requirement moves to the lower left along with the screening rollers 3-6 until the sandstone enters the large stone recovery box 3-2; the screening mechanism 3 not only screens out the sand with large particle size, but also screens out iron block and iron powder impurities mixed in the sand, so that pure sand is provided for the subsequent preparation of concrete.
Other components and connection relations are the same as those of the sixth embodiment.
The specific implementation mode is eight: referring to fig. 1 to 5, the embodiment will be described, and the screening mechanism 3 of the concrete mixing device for civil engineering construction according to the embodiment further includes two side plates 3 to 7; the two side plates 3-7 are symmetrically arranged at two sides of the oblique beam 3-1-1. Other components and connection relationships are the same as those in the seventh embodiment.
The specific implementation method nine: the embodiment will be described with reference to fig. 1 to 5, and the lifting mechanism 4 of the concrete mixing device for civil engineering construction according to the embodiment includes a horizontal auxiliary conveyor 4-1 and a lifting conveyor 4-2; the horizontal auxiliary conveyor belt 4-1 and the lifting conveyor belt 4-2 are sequentially arranged from left to right, the horizontal auxiliary conveyor belt 4-1 is horizontally arranged below an outlet of the screening mechanism 3, the tail end of the horizontal auxiliary conveyor belt 4-1 is connected with the starting end of the lifting conveyor belt 4-2, and the tail end of the lifting conveyor belt 4-2 is positioned above an inlet of the stirring mechanism 5.
In the process of conveying the gravels, a small part of gravels slide from the starting end of the lifting mechanism under the action of gravity, so that the loss of the gravels is wasted, the horizontal auxiliary conveyor belt 4-1 can collect the gravels and continuously convey the gravels to the starting end of the lifting conveyor belt 4-2, the loss of the gravels is reduced, and the economic benefit is improved.
Other components and connections are the same as those in the first embodiment.
The detailed implementation mode is ten: the embodiment is described with reference to fig. 1 to 5, and the stirring mechanism 5 of the concrete stirring device for civil engineering construction in the embodiment comprises a support frame 5-1, a tank 5-2, a speed reduction motor 5-3, a stirring shaft 5-4, a stirring frame 5-5, a turnover cover 5-6 and a fixing frame 5-7;
the tank body 5-2 is fixedly arranged on the supporting frame 5-1, the speed reducing motor 5-3 is arranged at an opening at the upper end of the tank body 5-2 through a fixing frame 5-7, the stirring shaft 5-4 is vertically arranged in the tank body 5-2, the upper end of the stirring shaft 5-4 is fixedly connected with a rotating shaft of the speed reducing motor 5-3, the stirring frame 5-5 is fixedly arranged on the stirring shaft 5-4, and the turnover cover 5-6 is horizontally arranged at an opening at the bottom of the tank body 5-2.
In the embodiment, the stirring frame 5-5 is provided with a plurality of steel pipes which are welded into a net-shaped frame body, so that the stirring area in the tank body 5-2 is larger, the concrete is stirred and mixed more fully, meanwhile, the structure of the net-shaped frame body can reduce the resistance in the stirring process, reduce the possibility of deformation of the stirring frame 5-5 and prolong the service life of the stirring frame.
Other components and connections are the same as those in the first embodiment.
Principle of operation
The gravel firstly enters the gravel mechanism 1 to be crushed, the crushed gravel enters the screening mechanism 3 through the conveying mechanism 2, the screening mechanism 3 screens out large gravel and iron blocks, the screened gravel enters the stirring mechanism 5 through the lifting mechanism 4, various raw materials are added into the stirring mechanism 5 to prepare concrete, after the stirring preparation is finished, the flip cover 5-6 is opened, and the concrete enters the transport vehicle from the bottom of the tank body 5-2.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides a concrete mixing device is used in civil engineering construction which characterized in that: the concrete stirring device for civil engineering construction comprises a stone crushing mechanism (1), a conveying mechanism (2), a screening mechanism (3), an elevating mechanism (4) and a stirring mechanism (5); rubble mechanism (1), conveying mechanism (2), screening mechanism (3), elevating conveyor (4), rabbling mechanism (5) set gradually from left to right, and the export of rubble mechanism (1) is located the top of conveying mechanism (2) initiating terminal, and the end of conveying mechanism (2) is located the top of screening mechanism (3) import, and the export of screening mechanism (3) is located the top of elevating conveyor (4) initiating terminal, and the end of elevating conveyor (4) is located the top of rabbling mechanism (5) import.
2. The concrete mixing device for civil engineering construction according to claim 1, characterized in that: the stone breaking mechanism (1) comprises a shell (1-1), a rotor (1-2), a plurality of crushing hammers (1-3), a lining plate (1-4) and an adjusting component; the rotor (1-2) is installed in the shell (1-1), the upper end of the lining plate (1-4) is rotatably connected with the upper portion in the shell (1-1), the adjusting component is installed on the shell (1-1) and is connected with the outer side face of the lining plate (1-4), the lining plate (1-4) is located above the rotor (1-2), and the plurality of crushing hammers (1-3) are uniformly distributed on the edge of the rotor (1-2) along the circumferential direction.
3. The concrete mixing device for civil engineering construction according to claim 2, characterized in that: the crushing hammer (1-3) and the rotor (1-2) are detachably connected together through at least two bolts, the two sides of the crushing hammer (1-3) are provided with buffer clamping blocks (1-5), and the contact surface of the buffer clamping blocks (1-5) and the crushing hammer (1-3) is provided with a rubber pad.
4. The concrete mixing device for civil engineering construction according to claim 2, characterized in that: the adjusting component comprises a screw rod (1-6), a nut (1-7) and a spring (1-8); one end of a screw rod (1-6) penetrates through the outer wall of the shell (1-1) and then is hinged with the outer side face of the lining plate (1-4), a spring (1-8) is sleeved on the screw rod (1-6), the spring (1-8) is located between the inner wall of the shell (1-1) and the outer side face of the lining plate (1-4), a nut (1-7) is sleeved at the other end of the screw rod (1-6), and the nut (1-7) is located on the outer side of the shell (1-1).
5. The concrete mixing device for civil engineering construction according to claim 2, characterized in that: the stone breaking mechanism (1) also comprises an auxiliary lining plate (1-9) and an adjusting bolt (1-10); the upper end of the auxiliary lining plate (1-9) is connected with the lower part of the inner wall of the shell (1-1) in a rotating way, and the adjusting bolt (1-10) is hinged with the outer side surface of the lining plate (the auxiliary lining plate (1-9) after penetrating through a screw hole on the outer wall of the lower part of the shell (1-1).
6. The concrete mixing device for civil engineering construction according to claim 1 or 2, characterized in that: the conveying mechanism (2) comprises a conveying channel (2-1), a conveying auger (2-2), an auger driving motor (2-3) and a guide inclined plate (2-4); the conveying channel (2-1) is horizontally arranged, an inlet (2-1-1) of the conveying channel (2-1) is positioned in an outlet at the bottom of the shell (1-1), the guide inclined plate (2-4) is arranged at the bottom of the shell (1-1), the upper end of the guide inclined plate (2-4) is connected with the inner wall of the shell (1-1), the lower end of the guide inclined plate (2-4) is connected with the inlet (2-1-1) of the conveying channel (2-1), the conveying auger (2-2) is installed in the conveying channel (2-1), an auger shaft of the conveying auger (2-2) is fixedly connected with the rotation of an auger driving motor (2-3) through a clutch, and the outlet (2-1-2) of the conveying channel (2-1) is positioned above the inlet of the screening mechanism (3).
7. The concrete mixing device for civil engineering construction according to claim 6, characterized in that: the screening mechanism (3) comprises a support (3-1), a large stone recovery box (3-2), an iron block recovery box (3-3), a scraper (3-4), a horizontal conveyor belt (3-5) and a plurality of screening rollers (3-6);
the support (3-1) is provided with an oblique beam (3-1-1), the screening rollers (3-6) are arranged side by side along the oblique beam (3-1-1), the gap between two adjacent screening rollers (3-6) is 20-30 mm, the horizontal conveyor belt (3-5) is horizontally arranged, the starting end of the horizontal conveyor belt (3-5) is positioned below the oblique beam (3-1-1), the tail end of the horizontal conveyor belt (3-5) is positioned above the starting end of the lifting mechanism (4), the large stone block recovery box (3-2) is arranged below the lower end of the oblique beam (3-1-1), the inner surface of the horizontal conveyor belt (3-5) is provided with a magnet, the iron block recovery box (3-3) is arranged below the horizontal conveyor belt (3-5), the scraper plate (3-4) is vertically arranged at the left end of the opening of the iron block recovery box (3-3), the upper end of the scraper (3-4) is adjacent to and not connected with the lower surface of the horizontal conveyor belt (3-5).
8. The concrete mixing device for civil engineering construction according to claim 7, wherein: the screening mechanism (3) also comprises two side plates (3-7); the two side plates (3-7) are symmetrically arranged at two sides of the oblique beam (3-1-1).
9. The concrete mixing device for civil engineering construction according to claim 1, characterized in that: the lifting mechanism (4) comprises a horizontal auxiliary conveyor belt (4-1) and a lifting conveyor belt (4-2); the horizontal auxiliary conveyor belt (4-1) and the lifting conveyor belt (4-2) are sequentially arranged from left to right, the horizontal auxiliary conveyor belt (4-1) is horizontally arranged below an outlet of the screening mechanism (3), the tail end of the horizontal auxiliary conveyor belt (4-1) is connected with the starting end of the lifting conveyor belt (4-2), and the tail end of the lifting conveyor belt (4-2) is positioned above an inlet of the stirring mechanism (5).
10. The concrete mixing device for civil engineering construction according to claim 1, characterized in that: the stirring mechanism (5) comprises a support frame (5-1), a tank body (5-2), a speed reducing motor (5-3), a stirring shaft (5-4), a stirring frame (5-5), a turnover cover (5-6) and a fixing frame (5-7);
the tank body (5-2) is fixedly arranged on the support frame (5-1), the speed reducing motor (5-3) is arranged at an opening at the upper end of the tank body (5-2) through the fixing frame (5-7), the stirring shaft (5-4) is vertically arranged in the tank body (5-2), the upper end of the stirring shaft (5-4) is fixedly connected with a rotating shaft of the speed reducing motor (5-3), the stirring frame (5-5) is fixedly arranged on the stirring shaft (5-4), and the flip cover (5-6) is horizontally arranged at the opening at the bottom of the tank body (5-2).
CN202110902852.XA 2021-08-06 2021-08-06 Concrete mixing device is used in civil engineering construction Pending CN113510849A (en)

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Application publication date: 20211019