CN112405838A - Raw material mixing device for civil engineering concrete preparation - Google Patents
Raw material mixing device for civil engineering concrete preparation Download PDFInfo
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- CN112405838A CN112405838A CN202011269594.8A CN202011269594A CN112405838A CN 112405838 A CN112405838 A CN 112405838A CN 202011269594 A CN202011269594 A CN 202011269594A CN 112405838 A CN112405838 A CN 112405838A
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- case
- cement mortar
- stirring box
- civil engineering
- raw material
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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
- B28C5/148—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 the stirrer shaft carrying a plurality of radially extending mixing bars
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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
- B28C5/0806—Details; Accessories
- B28C5/0831—Drives or drive systems, e.g. toothed racks, winches
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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
- B28C5/0875—Mixing in separate stages involving different containers for each stage
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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
- B28C5/1238—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 for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices
- B28C5/1276—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 for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices with consecutive separate containers with rotating stirring and feeding or discharging means
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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)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention relates to the technical field of concrete processing, and discloses a raw material mixing device for civil engineering concrete preparation, which comprises a cement mortar prefabricated stirring box and a concrete prefabricated stirring box, wherein the cement mortar prefabricated stirring box and the concrete prefabricated stirring box are arranged on the outer walls of two opposite sides of a case; the machine case is internally provided with a driving mechanism and a switching unit, and the switching unit is assembled to switch the power output by the driving mechanism back and forth between the cement mortar prefabricated stirring box and the concrete prefabricated stirring box. According to the raw material mixing device for preparing civil engineering concrete, after the cement mortar is stirred by the cement mortar prefabrication stirring box, the cement mortar is splashed to the position in the concrete prefabrication stirring box through the conveying unit, stones are stir-fried through the stirring rod II, so that the cement mortar is wrapped, and the overall speed of concrete preparation is increased.
Description
Technical Field
The invention relates to the technical field of concrete processing, in particular to a raw material mixing device for civil engineering concrete preparation.
Background
The main work of the concrete mixing tank is mixing cement slurry and concrete, wherein the cement slurry is used for wall cutting and wall surface leveling, and the concrete is used for foundation and roof laying. But the concrete that mixes the stone needs to pass through long-time stirring, just can let stone and cement mortar fully mix together, guarantees the quality of pouring, but the power supply of concrete mixing tank is fixed, and when stirring concrete and stirring cement mud, because the material quality is different, the speed of drive stirring is also different, just need carry out decrement stirring when consequently using concrete mixing tank to stir concrete, can guarantee concrete mixing tank's normal work.
Disclosure of Invention
Solves the technical problem
The invention provides a raw material mixing device for civil engineering concrete preparation, and aims to solve the problem of how to accelerate the concrete stirring speed and the cement mortar stirring speed, so that the cement stirring time is shortened, and the requirements on concrete in construction engineering are met.
Technical scheme
In order to solve the technical problem, the embodiment of the invention adopts the following technical scheme: a raw material mixing device for civil engineering concrete preparation comprises a cement mortar prefabrication stirring box and a concrete prefabrication stirring box, wherein the cement mortar prefabrication stirring box and the concrete prefabrication stirring box are arranged on the outer walls of two opposite sides of a case;
and a driving mechanism and a switching unit are arranged in the case, and the switching unit is assembled to switch the power output by the driving mechanism back and forth between the cement mortar prefabricated stirring box and the concrete prefabricated stirring box.
Preferably, the cement mortar prefabricating and stirring box is internally provided with a funnel-shaped inner container I, the lower end of the inner container I is integrally made into a material receiving hopper groove I with an arc-shaped structure, a stirring rod I is rotatably connected between the inner walls of the inner containers I, a feeding screw I is rotatably connected in the material receiving hopper groove I, and one end of the feeding screw I extends into a material outlet formed in the outer wall of one side of the case and far away from the cement mortar prefabricating and stirring box.
Preferably, one end of the feeding screw I and one end of the stirring rod I, which are positioned in the case, are both provided with a transmission gear I, the inner wall of the case is provided with an auxiliary gear I which is used for being meshed with the two transmission gears I for transmission, and one end of the feeding screw I, which is positioned in the case, is both provided with a worm gear I.
Preferably, the stirring rod I is composed of bent rods distributed in a circular array around the outer wall of the roll shaft, the bent rods are of U-shaped structures, and swing rods parallel to the roll shaft are connected onto the bent rods in a sliding mode.
Preferably, the inside mounting of precast concrete agitator tank has hopper-shaped inner bag II, the lower extreme an organic whole of inner bag II makes the hopper groove II that connects that has the arc structure, it is connected with puddler II to rotate between the inner bag II inner wall, it is connected with feeding screw II to connect hopper groove II internal rotation, feeding screw II's one end extends to precast concrete agitator tank keeps away from in the feed opening that quick-witted case one side outer wall set up.
Preferably, one end of the feeding screw II and one end of the stirring rod II, which are positioned in the case, are both provided with a transmission gear II, the inner wall of the case is provided with an auxiliary gear II which is used for being in meshing transmission with the two transmission gears II, and one end of the stirring rod II, which is positioned in the case, is both provided with a worm gear II.
Preferably, the inner container II inclines from one side close to the case to the other side.
Preferably, the driving mechanism comprises a three-phase asynchronous motor installed at the center of the top of the case, a core bar installed inside the case and connected with the output end of the three-phase asynchronous motor, and worm sleeves symmetrically installed at the top and the bottom of the inner side of the case along the vertical direction, the core bar and the two worm sleeves are coaxially distributed, and the two worm sleeves are respectively engaged with the worm gear II and the worm gear I.
Preferably, the driving mechanism comprises a three-phase asynchronous motor installed at the center of the top of the case, a core rod installed inside the case and connected with the output end of the three-phase asynchronous motor, and worm rods symmetrically installed at the top and the bottom of the inner side of the case along the vertical direction;
the switching unit comprises a synchronizer and a shifting fork, the synchronizer is connected to the center of the core bar in a sliding mode and keeps synchronous circumferential movement, the synchronizer is assembled to drive one of the worm sleeve rods to keep synchronous with the core bar, the shifting fork is connected to a sliding groove formed in the outer wall of the synchronizer in a sliding mode, a shifting rod is movably installed on the outer wall of one side of the case, and the shifting rod is assembled to drive the shifting fork to enable the synchronizer to move up and down in the vertical direction.
Preferably, the driving mechanism comprises a three-phase asynchronous motor installed at the center of the top of the case, a core rod installed inside the case and connected with the output end of the three-phase asynchronous motor, and worm rods symmetrically installed at the top and the bottom of the inner side of the case along the vertical direction;
the conveying unit is specifically a self-priming pump, a gear is installed at the input end of the self-priming pump, a transmission gear III is installed on the worm sleeve rod installed at the top of the case, the transmission gear III is meshed with the gear, the input end of the self-priming pump is communicated with the bottom of a liner I located in the cement mortar prefabricated stirring box, and the output end of the self-priming pump is communicated with the top end of the concrete prefabricated stirring box.
Preferably, the use method of the raw material mixing device for preparing the civil engineering concrete comprises the following steps:
when prefabricated cement mortar, when the meshing of worm loop bar of synchronous ware along vertical direction motion and below, in the clockwise rotation of asynchronous motor, order about puddler I and pay-off screw rod I and keep synchronous revolution, carry out the water injection to the cement of pouring and sand and mix, the valve that is located the feed opening this moment is for closing, and puddler I pendulum rod can swing under cement mortar resistance and centrifugal force effect when rotatory, forms cement mortar patting effect.
After the cement mortar is stirred, the valve of the feed opening can be opened, and then the cement mortar is discharged from the feed opening by anticlockwise rotating of the asynchronous motors;
and need continue when mixing cement mortar and stone, the pulling through the driving lever makes the shift fork order about synchronizer upward movement, and finally with the worm loop bar meshing of top, this moment, the worm loop bar of below loses rotary power, worm loop bar keeps synchronous revolution along with the core bar, then drive gear III then can drive the rotatory mortar leaf that makes in the self priming pump to be located the cement mortar of the prefabricated agitator tank stirring of cement mortar and spread to the stone on, in the work of self priming pump, puddler II also can stir the stone in step, after the completion stirring, discharge the concrete thick liquid by the feed opening through the anticlockwise rotation of phase asynchronous machine.
Compared with the prior art, the raw material mixing device for civil engineering concrete preparation provided by the embodiment of the invention has the following specific beneficial effects:
1. cement mortar is stirred through the cement mortar prefabrication stirring box earlier, then spills to the stone that is located the concrete prefabrication stirring box at the cement mortar of accomplishing through conveying unit, thereby turns over stir-fry stone through puddler II and makes and wrap up in the cement mortar for the overall speed of concrete preparation, the in-process of guaranteeing concrete preparation simultaneously can not take place sand and cement and not stir even problem.
2. The puddler I design of adoption utilizes the rotatory in-process of roller shaft, drives the pendulum rod and slides on the knee lever to increase the in-process of stirring, puddler I and cement mortar's area of contact, thereby guarantee the efficiency of the stirring of cement mortar.
3. Adopt asynchronous motor and switching unit to realize the work through drive cement mortar prefabricated agitator tank, concrete prefabricated agitator tank and conveying unit to a large amount of laborsaving structures with the help of, make asynchronous motor maximize utilization, reduce the cost of equipment maintenance and maintenance.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a stirring rod I of the present invention;
FIG. 3 is a schematic view of the internal structure of the cement mortar prefabricating and stirring box of the invention;
FIG. 4 is a schematic view of a cutting structure of the cement mortar prefabrication stirring box of the invention;
FIG. 5 is a schematic view of the internal structure of the precast concrete mixing box of the present invention;
FIG. 6 is a schematic view of a cutting structure of the precast concrete mixing box according to the present invention;
fig. 7 is a schematic view of the overall cross-sectional structure of the present invention.
In the figure: 1. a chassis; 2. prefabricating a stirring box by using cement mortar; 21. an inner container I; 22. a receiving hopper groove I; 23. a stirring rod I; 231. a roll shaft lever; 232. a curved bar; 233. a swing rod; 24. a feeding screw I; 25. a transmission gear I; 26. a pinion gear I; 27. a worm gear I; 3. prefabricating a stirring box for concrete; 31. an inner container II; 32. a receiving hopper groove II; 33. a stirring rod II; 34. a feeding screw II; 35. a transmission gear II; 36. a pinion gear II; 37. a worm gear II; 4. a conveying unit; 41. a self-priming pump; 5. a drive mechanism; 51. a phase-asynchronous motor; 52. a core bar; 53. a worm gear; 531. a transmission gear III; 6. a switching unit; 61. a synchronizer; 62. and (4) shifting a fork.
Detailed Description
So that the objects, technical solutions and advantages of the embodiments of the present disclosure will be more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
As shown in fig. 1 to 7, the raw material mixing device for civil engineering concrete preparation provided by the invention comprises a cement mortar prefabrication stirring box 2 and a concrete prefabrication stirring box 3 which are arranged on the outer walls of two opposite sides of a case 1, wherein a conveying unit 4 is arranged in the case 1, the conveying unit 4 is assembled for transferring cement mortar prefabricated in the cement mortar prefabrication stirring box 2 into the concrete prefabrication stirring box 3, and as a further proposed technical scheme of the invention, a driving mechanism 5 and a switching unit 6 are arranged in the case 1, and the switching unit 6 is assembled for switching power output by the driving mechanism 5 between the cement mortar prefabrication stirring box 2 and the concrete prefabrication stirring box 3 back and forth. Stirring cement mortar through cement mortar prefabrication agitator tank 2 earlier, then splashing to the stone that is located concrete prefabrication agitator tank 3 through conveying element 4 at the cement mortar of accomplishing, thereby stir-fry stone through puddler II33 makes and wraps up in the area cement mortar for the overall speed of concrete preparation, guarantee simultaneously that the in-process of concrete preparation can not take place sand and cement and not stir even problem.
Further referring to fig. 2, 3 and 4, it can be seen that, in some embodiments, a funnel-shaped inner container I21 is installed inside the cement mortar prefabricating and stirring box 2, a hopper receiving groove I22 having an arc-shaped structure is integrally formed at the lower end of the inner container I21, a stirring rod I23 is rotatably connected between the inner walls of the inner container I21, a feeding screw I24 is rotatably connected in the hopper receiving groove I22, and one end of the feeding screw I24 extends into a feed opening formed in the outer wall of one side, away from the case 1, of the cement mortar prefabricating and stirring box 2.
One end of the feeding screw I24 and one end of the stirring rod I23, which are positioned in the case 1, are both provided with a transmission gear I25, the inner wall of the case 1 is provided with an auxiliary gear I26 which is used for being meshed with the two transmission gears I25 for transmission, and one end of the feeding screw I24, which is positioned in the case 1, is both provided with a worm gear I27.
Furthermore, the stirring rod I23 is composed of curved rods 232 distributed in a circular array around the outer wall of the roller shaft 231, the curved rods 232 are embodied in a U-shaped structure, and the curved rods 232 are slidably connected with swing rods 233 parallel to the roller shaft 231.
In the specific implementation process, the design of the stirring rod I23 utilizes the rotation process of the roller shaft rod 231 to drive the swing rod 233 to slide on the curved rod 232, so that the contact area between the stirring rod I23 and cement mortar is increased in the stirring process, and the stirring efficiency of the cement mortar is ensured.
Further referring to fig. 5 and 6, it can be seen that, in some embodiments, a funnel-shaped inner container II31 is installed inside the precast concrete mixing box 3, a hopper receiving groove II32 having an arc-shaped structure is integrally formed at the lower end of the inner container II31, a mixing rod II33 is rotatably connected between the inner walls of the inner container II31, a feeding screw II34 is rotatably connected in the hopper receiving groove II32, and one end of the feeding screw II34 extends into a feed opening formed in the outer wall of one side of the precast concrete mixing box 3, which is far away from the case 1.
And one end of the feeding screw II34 and one end of the stirring rod II33, which are positioned in the case 1, are both provided with a transmission gear II35, the inner wall of the case 1 is provided with an auxiliary gear II36 which is used for being meshed with the two transmission gears II35 for transmission, and one end of the stirring rod II33, which is positioned in the case 1, is both provided with a worm gear II 37.
Note that the inner container II31 is inclined from one side close to the cabinet 1 to the other side.
In a specific implementation process, as can be known from fig. 7, the conveying unit 4 is specifically a self-priming pump 41, a gear is installed at an input end of the self-priming pump 41, a transmission gear III531 is installed on a worm loop bar 53 installed at the top of the case 1, the transmission gear III531 is meshed with the gear, the input end of the self-priming pump 41 is communicated with the bottom of a liner I21 located in the cement mortar prefabricating and stirring box 2, an output end of the self-priming pump is communicated with the top end of the concrete prefabricating and stirring box 3, and pumped cement mortar is splashed to the surface of a stone located on the upper layer to be stirred through the conveying unit 4 to be mixed.
As shown in fig. 7, in a further proposed technical solution of the present invention, the driving mechanism 5 includes a three-phase asynchronous motor 51 installed at a top center position of the chassis 1, a core rod 52 installed inside the chassis 1 and connected to an output end of the three-phase asynchronous motor 51, and worm rods 53 symmetrically installed at top and bottom inside the chassis 1 along a vertical direction, the core rod 52 and the two worm rods 53 are coaxially distributed, and the two worm rods 53 are respectively engaged with the worm gear II37 and the worm gear I27.
Further, the switching unit 6 includes a synchronizer 61 and a shift fork 62, the synchronizer 61 is slidably connected to the center of the core rod 52 and keeps synchronous circumferential movement, the synchronizer 61 is configured to drive one of the worm rods 53 to keep synchronous with the core rod 52, the shift fork 62 is slidably connected to a sliding slot formed in the outer wall of the synchronizer 61, and a shift lever is movably mounted on the outer wall of one side of the case 1 and configured to drive the shift fork 62 to move the synchronizer 61 up and down in the vertical direction.
It should be noted that the operating principle of the shifting unit 6 is consistent with the shifting function of the gearbox, and therefore, the present invention is not disclosed in detail.
The working principle is as follows: when cement mortar is prefabricated, when synchronizer 61 moves in the vertical direction and is meshed with worm sleeve rod 53 below, asynchronous motor 51 rotates clockwise, stirring rod I23 and feeding screw I24 are driven to rotate synchronously, poured cement and sand are injected and mixed, a valve at a discharging port is closed, and stirring rod I23 swings under the action of cement mortar resistance and centrifugal force when rotating, so that cement mortar beating effect is formed.
After the stirring of the cement mortar is completed, the valve of the feed opening can be opened, and then the cement mortar is discharged from the feed opening by the counterclockwise rotation of the asynchronous motor 51;
and need continue when mixing cement mortar and stone, make shift fork 62 order about synchronizer 61 upward movement through the pulling of driving lever, and finally mesh with the worm loop bar 53 of top, at this moment, worm loop bar 53 of below loses rotary power, worm loop bar 53 keeps synchronous revolution along with core bar 52, then drive gear III531 then can drive the rotatory mortar blade that makes to be located the prefabricated agitator tank 2 stirring of cement mortar and pave to the stone on, in the work of self priming pump 41, puddler II33 also can stir the stone step by step, after the completion stirring, discharge the concrete thick liquid by the feed opening through asynchronous motor 51 anticlockwise rotation.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (10)
1. The utility model provides a raw materials mixing arrangement is used in civil engineering concrete preparation which characterized in that: the device comprises a cement mortar prefabrication and stirring box (2) and a concrete prefabrication and stirring box (3) which are arranged on the outer walls of two opposite sides of a case (1), wherein a conveying unit (4) is arranged in the case (1), and the conveying unit (4) is assembled and used for transferring cement mortar prefabricated in the cement mortar prefabrication and stirring box (2) into the concrete prefabrication and stirring box (3);
the machine box (1) is internally provided with a driving mechanism (5) and a switching unit (6), and the switching unit (6) is assembled to switch the power output by the driving mechanism (5) between the cement mortar prefabricating and stirring box (2) and the concrete prefabricating and stirring box (3) back and forth.
2. The raw material mixing device for civil engineering concrete preparation according to claim 1, characterized in that: the internally mounted of prefabricated agitator tank of cement mortar (2) has interior courage I (21) that leaks hopper-shaped, the lower extreme an organic whole of inner bag I (21) is made and is had material receiving hopper groove I (22) of arc structure, it is connected with puddler I (23) to rotate between inner bag I (21) inner wall, material receiving hopper groove I (22) internal rotation is connected with feeding screw I (24), the one end of feeding screw I (24) extends to prefabricated agitator tank of cement mortar (2) is kept away from in the feed opening that quick-witted case (1) one side outer wall set up.
3. The raw material mixing device for civil engineering concrete preparation according to claim 2, characterized in that: one ends, located in the case (1), of the feeding screw I (24) and the stirring rod I (23) are respectively provided with a transmission gear I (25), the inner wall of the case (1) is provided with an auxiliary gear I (26) used for being in meshing transmission with the two transmission gears I (25), and one end, located in the case (1), of the feeding screw I (24) is provided with a worm gear I (27).
4. The raw material mixing device for civil engineering concrete preparation according to claim 2, characterized in that: the stirring rod I (23) is composed of bent rods (232) distributed in a circular array mode on the outer wall of the roller shaft rod (231), the bent rods (232) are of U-shaped structures, and the bent rods (232) are connected with swing rods (233) parallel to the roller shaft rod (231) in a sliding mode.
5. The raw material mixing device for civil engineering concrete preparation according to claim 1, characterized in that: the internally mounted of precast concrete agitator tank (3) has hopper-shaped inner bag II (31), the lower extreme an organic whole of inner bag II (31) is made and is had material receiving hopper groove II (32) of arc structure, it is connected with puddler II (33) to rotate between inner bag II (31) inner wall, material receiving hopper groove II (32) internal rotation is connected with feeding screw II (34), the one end of feeding screw II (34) extends to precast concrete agitator tank (3) is kept away from in the feed opening that quick-witted case (1) one side outer wall set up.
6. The raw material mixing device for civil engineering concrete preparation according to claim 5, characterized in that: the feeding screw II (34) and the stirring rod II (33) are arranged at one end of the case (1) and are provided with a transmission gear II (35), the inner wall of the case (1) is provided with an auxiliary gear II (36) which is used for being in meshing transmission with the two transmission gears II (35), and one end of the stirring rod II (33) which is arranged in the case (1) is provided with a worm gear II (37).
7. The raw material mixing device for civil engineering concrete preparation according to claim 5, characterized in that: the inner container II (31) inclines from one side close to the case (1) to the other side.
8. The raw material mixing device for civil engineering concrete preparation according to claim 1, characterized in that: the driving mechanism (5) comprises a three-phase asynchronous motor (51) arranged at the center of the top of the case (1), a core rod (52) arranged in the case (1) and connected with the output end of the three-phase asynchronous motor (51), and worm sleeve rods (53) symmetrically arranged at the top and the bottom of the inner side of the case (1) along the vertical direction, wherein the core rod (52) and the two worm sleeve rods (53) are coaxially distributed, and the two worm sleeve rods (53) are respectively meshed with a worm gear II (36) and a worm gear I (26).
9. The raw material mixing device for civil engineering concrete preparation according to claim 1, characterized in that: the driving mechanism (5) comprises a three-phase asynchronous motor (51) arranged at the center of the top of the case (1), a core rod (52) arranged in the case (1) and connected with the output end of the three-phase asynchronous motor (51), and worm sleeve rods (53) symmetrically arranged at the top and the bottom of the inner side of the case (1) along the vertical direction;
the switching unit (6) comprises a synchronizer (61) and a shifting fork (62), the synchronizer (61) is connected to the center of the core rod (52) in a sliding mode and keeps synchronous circumferential movement, the synchronizer (61) is assembled to drive one of the worm sleeve rods (53) to keep synchronous with the core rod (52), the shifting fork (62) is connected to a sliding groove formed in the outer wall of the synchronizer (61) in a sliding mode, a shifting lever is movably installed on the outer wall of one side of the case (1), and the shifting lever is assembled to drive the shifting fork (62) to enable the synchronizer (61) to move up and down in the vertical direction.
10. The raw material mixing device for civil engineering concrete preparation according to claim 1, characterized in that: the driving mechanism (5) comprises a three-phase asynchronous motor (51) arranged at the center of the top of the case (1), a core rod (52) arranged in the case (1) and connected with the output end of the three-phase asynchronous motor (51), and worm sleeve rods (53) symmetrically arranged at the top and the bottom of the inner side of the case (1) along the vertical direction;
the conveying unit (4) is specifically a self-priming pump (41), a gear is installed at the input end of the self-priming pump (41), the gear is installed at the top of the case (1), a transmission gear III (531) is installed on the worm sleeve rod (53), the transmission gear III (531) is meshed with the gear, the input end of the self-priming pump (41) is communicated with the bottom of an inner container I (21) in the cement mortar prefabricated stirring box (2), and the output end of the self-priming pump is communicated with the top end of the concrete prefabricated stirring box (3).
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| CN202011269594.8A CN112405838B (en) | 2020-11-13 | 2020-11-13 | Raw material mixing device for civil engineering concrete preparation |
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| CN202011269594.8A CN112405838B (en) | 2020-11-13 | 2020-11-13 | Raw material mixing device for civil engineering concrete preparation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209958368U (en) * | 2019-04-01 | 2020-01-17 | 江苏筑升土木工程科技有限公司 | Integrated grouting equipment |
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| CN115042338A (en) * | 2022-08-12 | 2022-09-13 | 扬州琼花新型材料有限公司 | Mixed processing equipment of plastic granule |
| CN115042338B (en) * | 2022-08-12 | 2022-11-25 | 扬州琼花新型材料有限公司 | Mixed processing equipment of plastic granule |
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| CN112405838B (en) | 2021-10-12 |
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