CN112060324A - Concrete mixing device for engineering - Google Patents
Concrete mixing device for engineering Download PDFInfo
- Publication number
- CN112060324A CN112060324A CN202010884247.XA CN202010884247A CN112060324A CN 112060324 A CN112060324 A CN 112060324A CN 202010884247 A CN202010884247 A CN 202010884247A CN 112060324 A CN112060324 A CN 112060324A
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- stirring
- cavity
- inner cylinder
- concrete
- cylinder
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Classifications
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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
- B28C5/12—Mixing 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
- B28C5/14—Mixing 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 horizontal or substantially horizontal axis
-
- 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
- B28C5/18—Mixing in containers to which motion is imparted to effect the mixing
- B28C5/20—Mixing in containers to which motion is imparted to effect the mixing rotating about a horizontal or substantially horizontal axis during mixing, e.g. without independent stirrers
-
- 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
- B28C5/18—Mixing in containers to which motion is imparted to effect the mixing
- B28C5/20—Mixing in containers to which motion is imparted to effect the mixing rotating about a horizontal or substantially horizontal axis during mixing, e.g. without independent stirrers
- B28C5/2045—Parts or components
- B28C5/2072—Feeding or discharging mechanisms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention relates to a concrete mixing device for engineering, which comprises a base, a mixing drum arranged on the base, wherein the mixing drum consists of an inner drum and an outer drum; a first spiral plate is arranged on the outer side wall of the inner barrel, a second spiral plate is arranged on the inner side wall, and the spiral directions of the first spiral plate and the second spiral plate are opposite; a feeding hole is formed in the wall of the inner cylinder, which is far away from the discharge hole, a feeding hole is formed in the side wall of the outer cylinder, which is close to the discharge hole, and a feeding hopper is arranged at the feeding hole; the invention utilizes the design of the structure, can realize the processes of continuous feeding, concrete stirring and discharging through the stirring device, and has high working efficiency.
Description
Technical Field
The invention belongs to the field of concrete, in particular to the field of engineering concrete mixing.
Background
Concrete, referred to as "concrete" for short, is a generic term for engineering composite materials in which aggregates are cemented into a whole by cementitious materials; cement is used as a cementing material, and sand and stone are used as aggregates; mixing with water (containing additive and admixture) according to a certain proportion, and stirring to obtain cement concrete; the existing concrete stirring device usually adopts a threaded stirring barrel for stirring concrete or depends on the mechanical force of a stirring blade for stirring; the traditional stirring barrel type equipment has small volume and is relatively suitable for small buildings or pavements and the like, but for large projects, the small stirring barrel cannot keep up with the progress, the project progress is easy to slow down, and the traditional stirring barrel structure is limited, so that the slurry sinks to the bottom frequently, namely raw materials are wasted, the space in the barrel is continuously occupied, and the next use is not facilitated; for equipment adopting the stirring blades, the stress of concrete close to the stirring blades is large, the concrete is easy to stir uniformly, the stress of concrete far away from the stirring blades is small, the concrete is difficult to stir uniformly, and in the feeding process, the labor intensity of workers is high, and the working efficiency is low; in addition, the existing stirring modes are all stirring according to barrels, namely, sand, stone, cement, water and the like are put into a container to be stirred firstly in any stirring mode, the stirring efficiency is very low, and the single-stirring concrete slurry is limited by the stirring capacity of a single barrel and cannot meet the requirement of engineering.
Disclosure of Invention
In order to solve the problems, the invention achieves the purposes through the following technical scheme:
a concrete mixing device for engineering comprises a base, a mixing drum arranged on the base, a power device arranged on the base and a water tank arranged on the base, wherein the mixing drum consists of an inner drum and an outer drum; the power device drives the inner cylinder to rotate; a first spiral plate is arranged on the outer side wall of the inner barrel, a second spiral plate is arranged on the inner side wall, and the spiral directions of the first spiral plate and the second spiral plate are opposite; the inner tube is equipped with the material loading mouth on keeping away from the section of thick bamboo wall of discharge gate one side, be equipped with the feed inlet on the lateral wall that the urceolus is close to the discharge gate, feed inlet department is equipped with the feeder hopper.
As a further optimization scheme of the invention, the power device comprises a motor and a riding wheel, wherein a wheel belt is arranged on the outer side wall of the inner cylinder extending out of the outer cylinder, and the riding wheel is tightly contacted with the wheel belt.
As a further optimized scheme of the invention, the outer cylinder is covered with a sound insulation plate.
As a further optimization scheme of the invention, a first through hole is arranged on the side wall of the inner cylinder, which is far away from the discharge hole; an inlet pipe is embedded in the first through hole and communicated with the water tank.
As a further optimization scheme of the invention, a first through hole is formed in the side wall of the inner cylinder, which is far away from the discharge hole, a stirrer is further arranged in the inner cylinder, the stirrer comprises a stirring shaft, a plurality of groups of stirring units and scraping plates, the stirring units and the scraping plates are distributed on one end of the stirring shaft, one end of the stirring shaft is embedded in the first through hole, each group of stirring units comprises a plurality of stirring plates which are obliquely arranged on the stirring shaft, and the stirring plates are distributed in an annular array along the axis of the stirring shaft; the scraper blade is fixed simultaneously and is located on the tip of the stirring board of stirring unit homonymy, be equipped with first cavity in the scraper blade, and keep away from being equipped with the delivery port on the terminal surface of (mixing) shaft, first cavity and water tank intercommunication are equipped with the booster compressor between first cavity and the water tank.
As a further optimization scheme of the invention, rib plates are arranged between adjacent stirring plates in the stirring units, and a plurality of connecting rods are arranged between the rib plates in the adjacent stirring units.
As a further optimization scheme of the invention, a second cavity is arranged in the stirring plate, a third cavity is arranged in the stirring shaft, and the third cavity is communicated with the water tank; the first cavity is communicated with the third cavity through the second cavity
As a further optimization scheme of the invention, a Laval tube is arranged in the scraper, one end of the Laval tube is communicated with the first cavity, and the other end of the Laval tube is communicated with the water outlet.
The invention has the beneficial effects that:
1) by utilizing the design of the structure, the processes of feeding, concrete stirring and discharging can be continuously carried out by the stirring device under the non-stop state, and the working efficiency is high;
2) the feeding hopper is designed to be short and close to the ground, so that feeding is facilitated continuously, and the situation that feeding is difficult due to the fact that a feeding hole is formed in the top of equipment in the prior art is avoided;
3) the design of the double drums can reduce the length of the mixing drum and save the floor area of the mixing equipment.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic sectional view of a mixing drum 1 according to the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 according to the present invention;
FIG. 4 is a schematic sectional view of a mixing drum of the present invention, FIG. 2;
FIG. 5 is a schematic view of the construction of the stirrer according to the present invention;
FIG. 6 is a schematic cross-sectional view taken along line B-B of FIG. 5 according to the present invention;
FIG. 7 is an enlarged partial schematic view at C of FIG. 6 according to the present invention;
in the figure: 1. a base; 11. a power plant; 12. a water tank; 2. a mixing drum; 21. an inner barrel; 211. a discharge port; 212. a first spiral plate; 213. a second spiral plate; 214. a feeding port; 215. a belt wheel; 216. a first through hole; 22. an outer cylinder; 221. a feed inlet; 222. a feed hopper; 223. a sound insulating board; 3. a power plant; 31. a motor; 32. a riding wheel; 4. a water inlet pipe; 5. a stirrer; 51. a stirring shaft; 52. a stirring unit; 521. a stirring plate; 522. a rib plate; 523. a connecting rod; 53. a squeegee; 531. a first cavity; 532. a water outlet; 533. a Laval tube; 6. a supercharger; 7. a second cavity; 8. a third cavity; 9. and (4) scraping the hopper.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example 1
As shown in fig. 1 to 3, an engineering concrete mixing device includes a base 1, a mixing drum 2 disposed on the base 1, a power device 11 disposed on the base 1, and a water tank 12 disposed on the base 1, wherein the mixing drum 2 is composed of an inner drum 21 and an outer drum 22, the outer drum 22 is sleeved on the inner drum 21, one end of the inner drum 21 is embedded in a side wall of the outer drum 22 in a rolling manner, the other end extends out of the outer drum 22, and a discharge port 211 is disposed on an end portion of one side of the inner drum 21 extending out of the outer drum 22;
a first spiral plate 212 is arranged on the outer side wall of the inner barrel 21, a second spiral plate 213 is arranged on the inner side wall, and the spiral directions of the first spiral plate 222 and the second spiral plate 223 are opposite;
in addition, a feeding port 214 is arranged on the wall of the inner cylinder 21 on the side far away from the discharge port 211, a scraping hopper 9 is arranged at the feeding port 214, a feeding port 221 is arranged on the side wall of the outer cylinder 22 close to the discharge port 211, and a feeding hopper 222 is arranged at the feeding port 221;
the power device 3 drives the inner cylinder 21 to rotate; the power device 3 comprises a motor 31 and a riding wheel 32, a belt 215 is arranged on the outer side wall of the inner cylinder 21 extending out of the outer cylinder 22, and the riding wheel 32 is tightly contacted with the belt 215;
further, in order to reduce the noise generated by the mixing drum during the mixing process, a sound insulation plate 223 is covered on the outer drum 22; the influence of noise generated in the operation process of the stirring equipment on operators or surrounding residents can be reduced;
when the device is used, the motor is started first, the motor drives the inner cylinder to rotate, the outer cylinder keeps still, then pouring sand, stone and cement into a feed hopper at one side of the outer cylinder, wherein the bottom of the feed hopper is communicated with the feed inlet, then the sand, stone and cement can enter a space between the outer cylinder and the inner cylinder of the mixing cylinder through the feed inlet, a first spiral plate 212 is arranged on the outer side wall of the inner cylinder, the first spiral plate 212 will drive the sand and cement mixture to move forward to the side far away from the feeding hole, meanwhile, the continuous sand and cement mixture is stirred evenly until the sand and cement mixture moves forward to reach the feeding port, then the sand and stone mixture can enter the inner cylinder from the feeding hole under the action of the scraping hopper 9, then, under the action of a second spiral plate 223 on the inner side wall of the inner barrel, the mixture continuously moves leftwards until the mixture flows out of the discharge hole; thus, the whole concrete stirring process is completed;
through the design of the structure, the processes of feeding, concrete stirring and discharging can be continuously realized through the stirring device, the working efficiency is high, the feeding is also convenient to continuously feed due to the low design that the feeding hopper is close to the ground, and the situation of difficult feeding caused by the fact that the feeding port is arranged at the top of the equipment in the prior art is avoided; meanwhile, the length of the mixing drum can be reduced due to the design of the double drums, and the occupied area of the mixing equipment is saved;
example 2
In addition, in the prior art, when the shaped concrete is generally stirred, after sand, stone and cement Jining are mixed, water is directly poured into the mixture of the sand and the stone, and the mixture is stirred at the same time; due to the uneven stirring, part of incomplete mixture of sand, cement and water is easily adhered to the wall of the barrel, so that the loss of concrete mixture is easily caused on one hand, and the mixture occupies the space in the barrel easily on the other hand; similarly, in the application, if water is directly poured into the feed hopper to be directly mixed with the mixture of sand, stone and cement, a large amount of incomplete mixture of sand and cement is easily adhered to the inner wall of the outer cylinder in a longer channel of the outer cylinder, and the water continuously occupies the space in the cylinder after a long time;
therefore, in order to solve this problem, as shown in fig. 2, a first through hole 216 is provided on the side wall of the inner cylinder 21 away from the discharge hole 211; a water inlet pipe 4 is embedded in the first through hole 216, and the water inlet pipe 4 is communicated with the water tank 12; therefore, the sand, the stone and the cement mixture can be continuously mixed in the outer cylinder, and the concrete polymerization reaction can not occur without water soaking; mixing the mixture with water until the mixture enters the inner cylinder, and carrying out a polymerization reaction on the concrete; at this time, the mixture is continuously stirred by the first spiral plate 222 on the outer wall of the inner cylinder, and the mixture of sand, stone and cement is fully mixed; at the moment, the concrete is mixed with water, so that the condition of concrete adhesion can be greatly reduced.
Example 3
As shown in fig. 4 to 7, on the basis of the structure of the above embodiment, the stirrer 5 is further provided in the inner cylinder 21, the stirrer 5 includes a stirring shaft 51, a plurality of groups of stirring units 52 and scrapers 53 which are distributed on one side of the stirring shaft 51, wherein each group of stirring units 52 includes a plurality of stirring plates 521 which are obliquely arranged on the stirring shaft 51, and the stirring plates 521 are distributed in an annular array along the axial center of the stirring shaft 51;
the scraper 53 is simultaneously fixed on the end part of the stirring plate 521 on the same side as the stirring unit 52, in addition, a first cavity 531 is arranged in the scraper 53, a water outlet 532 is arranged on the end surface far away from the stirring shaft 51, and the first cavity 531 is communicated with the water tank 12; in order to ensure the water pressure of the discharged water, a supercharger 6 is arranged between the first cavity 531 and the water tank 12; the structure of the scraper can scrape the concrete blocks attached to the inner wall of the mixing drum, so that the concrete can be mixed more uniformly in the mixing drum, and the mixing quality of the concrete is improved; meanwhile, the water outlet arranged on the scraper can be used for providing a water source for concrete materials, and can also play a role in flushing the inner wall of the inner barrel while providing the water source by utilizing higher water pressure, so that the scraper can better scrape off concrete blocks attached to the inner wall of the mixing barrel;
one end of the stirring shaft 51 is embedded in the first through hole 216;
further, in order to enhance the strength of the stirring plates, rib plates 522 are arranged between adjacent stirring plates 521 in the stirring unit 52, and a plurality of connecting rods 523 are arranged between the rib plates 522 in the adjacent stirring unit 52; the structure can enhance the integral structural strength of the stirrer 5, and simultaneously increase the contact area of the stirrer 5 and the concrete slurry, thereby facilitating better stirring and mixing;
still further, since the inner cylinder is always kept rotating, and the first through hole 216 at the center of the side wall of the inner cylinder is already occupied by the stirring shaft, it becomes very difficult to connect the water path between the first cavity and the water tank directly through the inner cylinder wall in other ways, therefore, the second cavity 7 may be provided in the stirring plate 521, the third cavity 8 may be provided in the stirring shaft 51, the first cavity 531 is communicated with the third cavity 8 through the second cavity 7, and the third cavity 8 is communicated with the water tank 12; the structure can effectively avoid the difficult problem that the first cavity is directly connected with the water tank through a water pipe;
preferably, in order to further improve the effect of the water outlet flushing of the scraper, a laval tube 533 is arranged in the scraper 53, one end of the laval tube 533 is communicated with the first cavity 531, and the other end is communicated with the water outlet 532; the Laval tube increases the water flow speed at the water outlet again under certain water pressure by utilizing the principle that when fluid moves in the tube, the flow speed at the small part of the section is high, and the flow speed at the large part of the section is low, so as to form larger impact force; the inner wall of the inner cylinder can be washed better.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (8)
1. The utility model provides a concrete mixing device for engineering which characterized in that: the stirring device comprises a base (1), a stirring cylinder (2) arranged on the base (1), a power device (11) arranged on the base (1) and a water tank (12) arranged on the base (1), wherein the stirring cylinder (2) consists of an inner cylinder (21) and an outer cylinder (22), the outer cylinder (22) is sleeved on the inner cylinder (21), one end of the inner cylinder (21) is embedded in the side wall of the outer cylinder (22) in a rolling manner, the other end of the inner cylinder extends out of the outer cylinder (22), and a discharge hole (211) is formed in the end part, extending out of the outer cylinder (22), of one side of the inner cylinder (; the power device (3) drives the inner cylinder (21) to rotate; a first spiral plate (212) is arranged on the outer side wall of the inner barrel (21), a second spiral plate (213) is arranged on the inner side wall, and the spiral directions of the first spiral plate (222) and the second spiral plate (223) are opposite; a feeding opening (214) is formed in the wall of the inner cylinder (21) on the side far away from the discharging opening (211), and a scraping hopper (9) is arranged at the feeding opening (214); the lateral wall that urceolus (22) are close to discharge gate (211) is equipped with feed inlet (221), feed inlet (221) department is equipped with feeder hopper (222).
2. An apparatus for mixing concrete for construction according to claim 1, characterized in that: the power device (3) comprises a motor (31) and a riding wheel (32), a wheel belt (215) is arranged on the outer side wall of the inner cylinder (21) extending out of the outer cylinder (22), and the riding wheel (32) is tightly contacted with the wheel belt (215).
3. An apparatus for mixing concrete for construction according to claim 2, characterized in that: and a sound insulation plate (223) is covered on the outer cylinder (22).
4. An engineering concrete mixing apparatus according to claim 3, wherein: a first through hole (216) is formed in the side wall, far away from the discharge hole (211), of the inner cylinder (21); an inlet pipe (4) is embedded in the first through hole (216), and the inlet pipe (4) is communicated with the water tank (12).
5. An apparatus for mixing concrete for construction according to claim 4, wherein: the inner cylinder (21) is also provided with a stirrer (5), the stirrer (5) comprises a stirring shaft (51), a plurality of groups of stirring units (52) and scraping plates (53), the stirring units (52) are distributed on one side of the stirring shaft (51), one end of the stirring shaft (51) is embedded in the first through hole (216), each group of stirring units (52) comprises a plurality of stirring plates (521) which are obliquely arranged on the stirring shaft (51), and the stirring plates (521) are distributed in an annular array along the axis of the stirring shaft (51); scraper blade (53) are fixed simultaneously and are located on the tip of stirring board (521) of stirring unit (52) homonymy, be equipped with first cavity (531) in scraper blade (53), and keep away from being equipped with delivery port (532) on the terminal surface of (mixing) shaft (51), first cavity (531) and water tank (12) intercommunication, be equipped with booster compressor (6) between first cavity (531) and water tank (12).
6. An apparatus for mixing concrete for construction according to claim 5, characterized in that: rib plates (522) are arranged between adjacent stirring plates (521) in the stirring unit (52), and a plurality of connecting rods (523) are arranged between the rib plates (522) in the adjacent stirring unit (52).
7. A concrete mixer for construction according to any one of claims 5 or 6, wherein: a second cavity (7) is arranged in the stirring plate (521), a third cavity (8) is arranged in the stirring shaft (51), and the third cavity (8) is communicated with the water tank (12); the first cavity (531) is communicated with the third cavity (8) through the second cavity (7).
8. An apparatus for mixing concrete for construction according to claim 7, wherein: a laval pipe (533) is arranged in the scraper (53), one end of the laval pipe (533) is communicated with the first cavity (531), and the other end of the laval pipe (533) is communicated with the water outlet (532).
Priority Applications (1)
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CN202010884247.XA CN112060324A (en) | 2020-08-28 | 2020-08-28 | Concrete mixing device for engineering |
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CN202010884247.XA CN112060324A (en) | 2020-08-28 | 2020-08-28 | Concrete mixing device for engineering |
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CN202010884247.XA Pending CN112060324A (en) | 2020-08-28 | 2020-08-28 | Concrete mixing device for engineering |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113547636A (en) * | 2021-08-03 | 2021-10-26 | 中铁十局集团第二工程有限公司 | Premixed concrete device |
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CN101480694A (en) * | 2009-01-23 | 2009-07-15 | 北京仁创科技集团有限公司 | Sand processing system and method |
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CN209530866U (en) * | 2019-01-22 | 2019-10-25 | 荆州市联达精细化工有限公司 | A kind of zinc sulfate production agitating device convenient for cleaning |
CN210278965U (en) * | 2019-07-16 | 2020-04-10 | 四川明晶光电科技有限公司 | Production agitating unit for magnesium metaphosphate |
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CN101480694A (en) * | 2009-01-23 | 2009-07-15 | 北京仁创科技集团有限公司 | Sand processing system and method |
CN107364002A (en) * | 2015-08-24 | 2017-11-21 | 朱小菊 | The rotating cylinder of energy-saving concrete mixer |
CN207885536U (en) * | 2018-02-06 | 2018-09-21 | 魏文斌 | A kind of Mobile vegetable pesticide dispersal equipment of wide-angle covering |
CN208449504U (en) * | 2018-07-11 | 2019-02-01 | 贵阳学院 | A kind of ardealite dryer outer cylinder dispersing device |
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Application publication date: 20201211 |