CN212707384U

CN212707384U - Concrete mixing device is used in civil engineering construction

Info

Publication number: CN212707384U
Application number: CN202020789529.7U
Authority: CN
Inventors: 王廷玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2021-03-16
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a concrete mixing device is used in civil engineering construction, include: the axis department fixed mounting of agitator upper surface has actuating mechanism, and actuating mechanism's output fixed mounting has the stirring leaf, and actuating mechanism is assembled as the activity setting between following two kinds of stations: in the first station, the driving mechanism drives the stirring blades to keep high-speed rotation motion and enables the stirring blades to keep high-speed rotation motion, in the second station, the driving mechanism drives the stirring blades to keep low-speed rotation motion and enables the stirring blades to keep low-speed rotation motion, a discharging mechanism is fixedly installed between a discharging opening at the lower end of the stirring barrel and the discharging hopper, and the discharging mechanism drives the scraper to keep reciprocating motion along the inner wall of the discharging hopper. The utility model provides a concrete mixing device for civil engineering can carry out high-speed and low-speed stirring to the concrete, can improve the later hardness of concrete setting, can prevent that too much concrete from solidifying and blockking up out the hopper, improves ejection of compact efficiency, can improve production efficiency.

Description

Concrete mixing device is used in civil engineering construction

Technical Field

The utility model relates to a concrete mixing mixes technical field, relates to a concrete mixing device is used in civil engineering construction particularly.

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. With the demand of high-performance concrete and ready-mixed concrete for large-scale projects such as high-speed rails, highways and the like and the high efficiency, high quality and high benefit of project construction facilities, higher requirements are put forward on a concrete mixing process.

Research shows that after concrete is stirred at a high speed and is stirred at a low speed, the concrete quality is better than that of the concrete stirred at a high speed only once, most of the existing concrete stirring devices for civil engineering are driven by a motor to stir, the stirring speed cannot be changed, and higher process requirements cannot be met.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned problem that prior art exists, an aspect of the utility model aims at providing a concrete mixing device is used in civil engineering construction, aims at solving current concrete mixing device for civil engineering and has the mechanism that does not switch the stirring rate, can not satisfy higher technological requirement and can not clear away the problem that influences discharging efficiency to the discharge gate unset concrete.

Technical scheme

In order to realize the above-mentioned purpose, the utility model provides a pair of concrete mixing device is used in civil engineering construction, include: the mixer comprises a mixing drum, wherein a driving mechanism is fixedly installed at the middle shaft of the upper surface of the mixing drum, a mixing blade is fixedly installed at the output end of the driving mechanism, and the driving mechanism is movably arranged between the following two stations: the driving mechanism drives the stirring blades to keep high-speed rotation motion and enables the stirring blades to keep high-speed rotation motion, and the driving mechanism drives the stirring blades to keep low-speed rotation motion and enables the stirring blades to keep low-speed rotation motion;

a discharging mechanism is fixedly installed between a discharging port at the lower end of the stirring barrel and the discharging hopper, a scraper blade is fixedly installed at the output end of the discharging mechanism, and the scraper blade is driven by the discharging mechanism to keep reciprocating motion along the inner wall of the discharging hopper.

Preferably, the driving mechanism comprises a driving shaft, a first gear, a second gear, a third gear, a fourth gear, a hydraulic rod, a pushing block, a connecting sleeve, a movable sleeve and a rotating frame, one end of the connecting sleeve is fixedly installed on the axis of the outer wall of one side of the first gear, the other end of the connecting sleeve is fixedly installed on the axis of the outer wall of one side of the second gear, the connecting sleeve is sleeved on the driving shaft in a sliding mode, the axis of the upper surface of the first gear is fixedly installed at the axis of the lower end of the movable sleeve, the pushing block is fixedly installed on the outer wall of one side of the pushing block, the connecting plate is fixedly installed on the outer wall of one side of the driving shaft, one end of the hydraulic rod is fixedly installed on the outer wall of one side of the connecting plate, and the other end of the.

Preferably, the rotating frame is fixedly installed at the axis of the lower surface of the driving shaft, the rotating frame is of a cross structure, the number of the third gears and the number of the fourth gears are four, one of the third gears is fixedly installed on the outer wall of a shaft rod of the fourth gear, the four fourth gears are respectively connected to four end points of the cross structure of the rotating frame in a shaft-connected mode, the third gears are meshed with the first gears, the fourth gears are meshed with the second gears, the driving shaft is connected with the output end of the motor, the number of the stirring blades (3) is four, and the four stirring blades (3) are respectively and fixedly installed at one end of the shaft rod of the fourth gear (25).

Preferably, the gear ratio of the third gear and the first gear is 1/1, and the gear ratio of the fourth gear and the second gear is 2/1.

Preferably, the discharging mechanism comprises a driving motor, a shell, a cylindrical gear and a rack, the driving motor is fixedly installed in the shell, the cylindrical gear is fixedly installed at the output end of the driving motor, the scraper is fixedly installed at one end of the rack, the rack is connected to the bottom surface in the shell in a sliding mode, and the rack is meshed with the cylindrical gear.

Preferably, the scraper is made of iron-carbon alloy integrally.

Advantageous effects

Compared with the prior art, the utility model provides a pair of concrete mixing device is used in civil engineering construction possesses following beneficial effect:

1. the utility model discloses a, the hydraulic stem drive that sets up through actuating mechanism promotes the piece and promotes movable sleeve and rise along the driving shaft, makes second gear and fourth gear engagement, makes stirring vane keep low-speed rotation and low-speed rotation, carries out the low-speed stirring to the raw materials, promotes the piece through the hydraulic stem drive and promotes movable sleeve and descend along the driving shaft, makes first gear and third gear engagement, makes stirring vane keep high-speed rotation and high-speed rotation, stirs at a high speed to the raw materials, can improve the later hardness of concrete setting.

2. The utility model discloses a, install the discharge mechanism between discharge gate and play hopper, can strike off remaining concrete on the hopper inner wall after the agitator is accomplished to use, be convenient for use next time, prevent that too much concrete from solidifying and blockking up out the hopper, improve discharging efficiency.

3. The utility model discloses a, easy operation, the building site workman of being convenient for uses, reduces building site managers's training cost, can improve production efficiency.

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 perspective view of the present invention;

fig. 2 is a schematic view of the meshing relationship between the first gear and the third gear of the present invention;

FIG. 3 is a schematic view of the engagement relationship between the second gear and the fourth gear of the present invention;

FIG. 4 is a schematic view of the connection relationship between the rotary frame and the driving shaft of the present invention;

fig. 5 is a schematic structural diagram of the present invention.

The main reference numbers:

1. a stirring barrel; 2. a drive mechanism; 3. stirring blades; 4. a discharging mechanism; 5. a squeegee; 6. a connecting plate; 20. a rotating frame; 21. a drive shaft; 22. a first gear; 23. a second gear; 24. a third gear; 25. a fourth gear; 26. a hydraulic lever; 27. a pushing block; 28. a connecting sleeve; 29. a movable sleeve; 41. a drive motor; 42. a housing; 43. a column gear; 44. a rack.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying 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.

To maintain the following description of the embodiments of the present disclosure clear and concise, a detailed description of known functions and known components have been omitted from the present disclosure.

Referring to fig. 1 to 5, a concrete mixing apparatus for civil engineering construction includes: agitator 1, the axis department fixed mounting of 1 upper surface of agitator has actuating mechanism 2, and actuating mechanism 2's output fixed mounting has stirring leaf 3, and actuating mechanism 2 is assembled for the activity setting between following two kinds of stations: in the first station, the driving mechanism 2 drives the stirring blades 3 to keep high-speed rotation motion and enables the stirring blades 3 to keep high-speed rotation motion, and in the second station, the driving mechanism 2 drives the stirring blades 3 to keep low-speed rotation motion and enables the stirring blades 3 to keep low-speed rotation motion; fixed mounting has discharge mechanism 4 between 1 lower extreme discharge gate of agitator and the play hopper, discharge mechanism 4's output fixed mounting has scraper blade 5, discharge mechanism 4 drive scraper blade 5 keeps reciprocating motion along a hopper inner wall, carry out high-speed rotation through stirring leaf 3 earlier, once stir the concrete raw materials, rethread stirring leaf 3 carries out low-speed rotation, carry out secondary stirring to the concrete raw materials, reach the purpose that improves the concrete quality, make each item performance after the concrete solidifies promote, in order to satisfy higher technology demand, scraper blade 5's setting can be accomplished at the stirring, after not having the concrete in agitator 1, strike off the concrete that remains on a hopper, prevent to block out the hopper after the concrete from solidifying completely.

As shown in fig. 2, 3 and 4, the driving mechanism 2 of the present invention further provides a solution, wherein the driving mechanism 2 comprises a driving shaft 21, a first gear 22, a second gear 23, a third gear 24, a fourth gear 25, a hydraulic rod 26, a pushing block 27, a connecting sleeve 28, a movable sleeve 29 and a rotating frame 20, one end of the connecting sleeve 28 is fixedly installed on the axis of the outer wall of one side of the first gear 22, the other end of the connecting sleeve 28 is fixedly installed on the axis of the outer wall of one side of the second gear 23, the connecting sleeve 28 is slidably sleeved on the driving shaft 21, the axis of the upper surface of the first gear 22 is fixedly installed on the axis of the lower end of the movable sleeve 29, the pushing block 27 is fixedly installed on the outer wall of one side of the pushing block 27, the connecting plate 6 is fixedly installed on the outer wall of one side of the driving shaft 21, one end of the hydraulic rod 26 is fixedly installed on the outer wall, the rotating frame 20 is fixedly arranged at the axle center of the lower surface of the driving shaft 21, the rotating frame 20 is in a cross-shaped structure, the number of the third gears 24 and the number of the fourth gears 25 are four, one of the third gears 24 is fixedly arranged on the outer wall of a shaft rod of the fourth gear 25, the four fourth gears 25 are respectively connected to four end points of the cross-shaped structure of the rotating frame 20, the third gear 24 is meshed with the first gear 22, the fourth gear 25 is meshed with the second gear 23, the driving shaft 21 is connected with the output end of the motor, the number of the stirring blades 3 is four, the four stirring blades 3 are respectively and fixedly arranged at one end of the shaft rod of the fourth gear 25, the hydraulic rod 26 is arranged to enable the pushing block 27 to push the first gear 22 and the second gear 23 on the movable sleeve 29, the first gear 22 is meshed with the third gear 24 or the second gear 23 is meshed with the fourth gear 25, the switching from high-speed stirring to low-speed stirring is realized, and the rotating frame 20 with the cross-shaped structure can ensure that the shaft rods of the four fourth gears 25 can stably rotate.

The utility model discloses among the further technical scheme that provides, the drive ratio of third gear 24 and first gear 22 is 1/1, and the drive ratio of fourth gear 25 and second gear 23 is 2/1, and through a large amount of designs and calculation, the drive ratio of third gear 24 and first gear 22 is the optimal solution, and the drive ratio of fourth gear 25 and second gear 23 is the optimal solution, realizes different stirring speed through different drive ratios.

As shown in fig. 5, the utility model discloses in the technical scheme that further proposes, discharge mechanism 4 includes driving motor 41, shell 42, column gear 43 and rack 44, driving motor 41 fixed mounting is in the inside of shell 42, column gear 43 fixed mounting is in driving motor 41's output, scraper blade 5 fixed mounting is in the one end of rack 44, rack 44 sliding connection is in the inside bottom surface of shell 42, rack 44 meshes with column gear 43 mutually, scraper blade 5 is the iron-carbon alloy body and makes, drive column gear 43 through driving motor 41 and rotate, make rack 44 remove to the outside of shell 42, make scraper blade 5 remove along the inner wall of a hopper, strike off remaining concrete on going out the hopper inner wall.

The working principle is as follows:

the first step is as follows: when stirring, the cement, sand and a part of water in the concrete raw materials are added into the stirring barrel 1.

The second step is that: at this time, high-speed stirring is performed, the motor drives the driving shaft 21 to rotate, the driving shaft 21 drives the rotating frame 20 to rotate while rotating, and drives the four fourth gears 25 to rotate along the rotating frame 20, the four fourth gears 25 respectively drive the third gear 24 to rotate, and since the third gear 24 is meshed with the first gear 22, the third gear 24 can rotate while rotating along the rotating frame 20, so that the fourth gears 25 can rotate simultaneously, and the stirring blades 3 are driven to rotate and rotate.

The third step: after the high-speed stirring is finished, adding stone and water, and stirring at a low speed.

The fourth step: the hydraulic rod 26 of the driving mechanism 2 is retracted, the pushing block 27 is pulled to move upwards along the driving shaft 21, the movable sleeve 29 moves upwards along the driving shaft 21, at the moment, the first gear 22 and the third gear 24 are disengaged, the second gear 23 is engaged with the fourth gear 25, the motor drives the driving shaft 21 to rotate, the driving shaft 21 drives the rotating frame 20 to rotate while rotating, and drives the four fourth gears 25 to rotate along the rotating frame 20, the four fourth gears 25 respectively drive the third gear 24 to rotate, because the fourth gear 25 is engaged with the second gear 23, the fourth gear 25 can rotate while rotating along the rotating frame 20, and drives the stirring blades 3 to rotate and rotate.

The fifth step: after the mixing tank 1 is used up, a switch of a driving motor 41 of the discharging mechanism 4 is turned on, the driving motor 41 drives a column gear 43 to rotate, a rack 44 moves towards the outer side of a shell 42, a scraper 5 moves along the inner wall of the discharging hopper, and residual concrete on the inner wall of the discharging hopper is scraped, wherein the specific model of the driving motor 41 is YX3-100L 1-4.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

It will be appreciated by those skilled in the art that other similar connections may be used to implement the present invention. Such as welding, bonding, or screwing.

The above embodiments are merely exemplary embodiments of the present invention, which is not intended to limit the present invention, and the scope of the present invention is defined by the appended claims. Various modifications and equivalents may be made by those skilled in the art to the present invention without departing from the spirit and scope of the invention, and such modifications and equivalents should be considered to be within the scope of the invention.

Claims

1. The utility model provides a concrete mixing device is used in civil engineering construction, includes: the stirring barrel (1) is characterized in that a driving mechanism (2) is fixedly mounted at a middle shaft of the upper surface of the stirring barrel (1), a stirring blade (3) is fixedly mounted at the output end of the driving mechanism (2), and the driving mechanism (2) is movably arranged between the following two stations: the driving mechanism (2) drives the stirring blades (3) to keep high-speed rotation motion and enables the stirring blades (3) to keep high-speed rotation motion, and the driving mechanism (2) drives the stirring blades (3) to keep low-speed rotation motion and enables the stirring blades (3) to keep low-speed rotation motion;

fixed mounting has discharge mechanism (4) between agitator (1) lower extreme discharge gate and the play hopper, the output fixed mounting of discharge mechanism (4) has scraper blade (5), discharge mechanism (4) drive scraper blade (5) keep reciprocating motion along a hopper inner wall.

2. The concrete mixing device for civil engineering construction according to claim 1, wherein the driving mechanism (2) comprises a driving shaft (21), a first gear (22), a second gear (23), a third gear (24), a fourth gear (25), a hydraulic rod (26), a pushing block (27), a connecting sleeve (28), a movable sleeve (29) and a rotating frame (20), one end of the connecting sleeve (28) is fixedly installed at the axle center of the outer wall of one side of the first gear (22), the other end of the connecting sleeve (28) is fixedly installed at the axle center of the outer wall of one side of the second gear (23), the connecting sleeve (28) is slidably sleeved on the driving shaft (21), the axle center of the upper surface of the first gear (22) is fixedly installed at the axle center of the lower end of the movable sleeve (29), the pushing block (27) is fixedly installed at the outer wall of one side of the pushing block (27), the outer wall of one side of the driving shaft (21) is fixedly provided with a connecting plate (6), one end of a hydraulic rod (26) is fixedly arranged on the outer wall of one side of the connecting plate (6), and the other end of the hydraulic rod (26) is fixedly arranged on the axis of the upper surface of the pushing block (27).

3. The concrete mixing device for civil engineering construction according to claim 2, the rotating frame (20) is fixedly arranged at the axis of the lower surface of the driving shaft (21), the rotating frame (20) is in a cross-shaped structure, the number of the third gears (24) and the number of the fourth gears (25) are four, one third gear (24) is fixedly arranged on the outer wall of the shaft lever of the fourth gear (25), the four fourth gears (25) are respectively connected with the four end points of the cross-shaped structure of the rotating frame (20) in a shaft way, the third gear (24) is meshed with the first gear (22), the fourth gear (25) is meshed with the second gear (23), the driving shaft (21) is connected with the output end of the motor, the number of the stirring blades (3) is four, and the four stirring blades (3) are fixedly arranged at one end of a shaft rod of the fourth gear (25) respectively.

4. A concrete mixing device for civil engineering work as claimed in claim 3, characterised in that the third gear (24) and the first gear (22) have a transmission ratio of 1/1 and the fourth gear (25) and the second gear (23) have a transmission ratio of 2/1.

5. The concrete mixing device for civil engineering construction according to claim 1, wherein the discharging mechanism (4) comprises a driving motor (41), a housing (42), a column gear (43) and a rack (44), the driving motor (41) is fixedly installed inside the housing (42), the column gear (43) is fixedly installed at the output end of the driving motor (41), the scraper (5) is fixedly installed at one end of the rack (44), the rack (44) is slidably connected to the bottom surface inside the housing (42), and the rack (44) is meshed with the column gear (43).

6. The concrete mixing device for civil engineering construction according to claim 5, wherein the scraper (5) is made of iron carbon alloy in one piece.