CN218365588U

CN218365588U - Concrete mixer for building site

Info

Publication number: CN218365588U
Application number: CN202222000942.2U
Authority: CN
Inventors: 凌伟良
Original assignee: Guangdong Wancheng Construction Group Co ltd
Current assignee: Guangdong Wancheng Construction Group Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-01-24
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a concrete mixer for building site relates to concrete mixer technical field, including the churn, the churn top is fixed with the cover, the feed inlet has been seted up at the top of cover, and the round hole has been seted up at the top of churn, be provided with rather than coaxial removal post in the round hole, the bottom of removal post is fixed with rather than coaxial dwang, the circumference outer wall of dwang is fixed with a plurality of stirring boards two, the bottom of cover is rotated and is installed drive gear one, drive gear two and internal gear ring, the perforation inner wall of drive gear one has been seted up a plurality of guide ways one, the circumference outer wall of removal post is fixed with a plurality of gibs, the gib slide mounting is in guide ways one, drive gear one and internal gear ring all mesh with drive gear two; the utility model discloses a three kinds of stirring take place for the churn, the convection current stirring, the differential stirring and mix the stirring to improve the stirring rate.

Description

Concrete mixer for building site

Technical Field

The utility model relates to a concrete mixer technical field specifically is a concrete mixer for building site.

Background

Concrete is one of the most important civil engineering materials of the present generation. The artificial stone is prepared by a cementing material, granular aggregate (also called aggregate), water, an additive and an admixture which are added if necessary according to a certain proportion, and the artificial stone is formed by uniformly stirring, closely molding, curing and hardening. Meanwhile, the concrete also has the characteristics of high compressive strength, good durability, wide strength grade range and the like. The characteristics make the application range of the concrete mixer very wide, the concrete mixer is not only used in various civil engineering, namely shipbuilding industry, mechanical industry, ocean development, geothermal engineering and the like, but also is an important material, and the concrete mixer is a mechanical device commonly used in building construction and is used for fully and uniformly mixing concrete raw materials and water to obtain finished concrete. The concrete has the characteristics of rich raw materials, low price and simple production process, so that the consumption of the concrete is increased more and more. Meanwhile, the concrete also has the characteristics of high compressive strength, good durability, wide strength grade range and the like. These characteristics make it very widely used, not only in various civil engineering, that is shipbuilding, machinery industry, ocean development, geothermal engineering, etc., but also concrete is an important material.

A concrete mixer is a machine for mixing and stirring cement, gravel aggregate and water into a concrete mixture. The device mainly comprises a mixing drum, a feeding and discharging mechanism, a water supply system, a prime motor, a transmission mechanism, a frame, a supporting device and the like. According to working properties, the method is divided into a batch type (batch type) and a continuous type; according to the stirring principle, the method is divided into a self-falling type and a forced type; the device is divided into a fixed type and a movable type according to the installation mode; dividing a tilting type and a non-tilting type according to a discharging mode; according to the structural form of the mixing drum, the pear type, the drum type, the double cone type, the disc vertical shaft type, the circular groove horizontal shaft type and the like are divided, and with the development of concrete materials and construction processes, a plurality of concrete mixers with novel structures such as a steam heating type mixer, a supercritical rotating speed mixer, a sound wave mixer, a swinging disc type mixer without mixing blades, a secondary mixing concrete mixer and the like are sequentially produced.

It has been found that patent No. CN210082082U discloses a concrete mixer comprising a mixing tub having annular side walls and a bottom wall, a main frame configured to rotatably support the mixing tub, wherein the main frame comprises a telescoping member capable of extending between a first length and a second length, and a base frame supporting the main frame. The chassis includes a first leg having a first wheel capable of transporting the concrete mixer and a second leg having a foot to prevent the concrete mixer from rolling. It has the following disadvantages: this concrete mixer is not good to concrete raw materials's stirring effect, mainly because the stirring mode is single, and stirring efficiency is not high, leads to concrete raw materials can not carry out abundant mixture in concrete mixer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concrete mixer for building site to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a concrete mixer for a construction site comprises a mixing drum, wherein a drum cover is fixed at the top of the mixing drum, a feed inlet is formed in the top of the drum cover, a round hole is formed in the top of the mixing drum, a moving column coaxial with the mixing drum is arranged in the round hole, a rotating rod coaxial with the moving column is fixed at the bottom end of the moving column, a plurality of mixing plates II are fixed on the circumferential outer wall of the rotating rod, a first transmission gear, a second transmission gear and an inner gear ring are rotatably installed at the bottom of the drum cover, a plurality of guide grooves I are formed in the inner wall of a tooth hole of the first transmission gear, a plurality of guide strips are fixed on the circumferential outer wall of the moving column, the guide strips are slidably installed in the guide grooves I, the first transmission gear and the inner gear ring are both meshed with the second transmission gear, a plurality of scraping plates distributed at equal intervals are fixed at the bottom of the inner gear ring, the scraper blade is fixed with a plurality of stirring board one that the equidistance distributes towards one side outer wall of dwang, stirring board one and two crisscross distributions of stirring board, the top of cover is installed and is made the removal post carry out pivoted drive assembly two, the top of cover is installed and is made the removal post carry out the drive assembly one that reciprocates, known by above-mentioned relation of connection, drive assembly two makes the removal post rotate, the dwang rotates along with the removal post is synchronous, and drive gear one rotates along with the removal post is synchronous, stirring board two rotates along with the dwang, because drive gear one and internal gear ring all with drive gear two meshes, can know from this that the internal gear ring rotates, the scraper blade strikes off the inner wall of churn, stir through stirring board one, in the above-mentioned working process, drive assembly makes the removal post reciprocate, thereby the churn takes place three kinds of stirs, the convection current stirring, differential stirring and mixing stirring, thereby improving the stirring rate.

Preferably, a discharging barrel communicated with the stirring barrel is fixed in the middle of the bottom of the stirring barrel, and the discharging barrel is used for discharging materials.

Preferably, the bottom of the discharging barrel is provided with an electromagnetic valve for opening and closing.

Preferably, the circumference outer wall of dwang is fixed with rather than coaxial helical blade, helical blade is located out the feed cylinder, and the dwang can make helical blade rotate, discharges the churn fast.

Preferably, a plurality of support columns which are distributed at equal intervals and used for supporting are fixed at the bottom of the stirring cylinder.

Preferably, the first driving assembly comprises a resetting assembly, a first supporting piece, a first servo motor and a cam fixed on an output shaft of the first servo motor, the resetting assembly is installed on the moving column, the first servo motor is fixed on the first supporting piece, the first supporting piece is fixed on the barrel cover, the first servo motor enables the cam to rotate, the cam continuously applies pressure to the top of the contact disc, and the spring continuously stretches and retracts.

Preferably, the reset assembly comprises a contact disc and a spring, the contact disc is fixed to the top of the movable column, and the spring is sleeved on the movable column.

Preferably, the driving assembly II comprises a second supporting piece, a second servo motor, a first driving wheel, a driving belt and a second driving wheel, the second supporting piece is fixed on the cylinder cover, the second servo motor is fixed on the second supporting piece, the first driving wheel is coaxially fixed with an output shaft of the second servo motor, the second driving wheel is rotatably installed on the cylinder cover, a round hole is formed in the top of the second driving wheel, the second driving wheel is sleeved on the movable column, a plurality of second guide grooves are formed in the round hole, the guide strips are slidably installed in the second guide grooves, two ends of each spring are respectively in contact with the second driving wheel and the corresponding contact disc, the first servo motor rotates the first driving wheel through the output shaft, the first driving wheel drives the second driving wheel to rotate through the driving belt, and the second driving wheel drives the movable column to rotate.

Preferably, a vibration motor is fixed on the outer wall of the mixing drum, and the vibration motor can enable the mixing drum to vibrate, so that the discharging rate is improved.

Preferably, the top of support column is installed the shock attenuation platform, and the shock attenuation platform is prior art, mainly used shock attenuation.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, drive assembly two make the removal post rotate, the dwang rotates along with the removal post is synchronous, and drive gear one rotates along with the removal post is synchronous, stirring board two rotates along with the dwang, because drive gear one and internal gear ring all with two meshing of drive gear, can know from this that the internal gear ring rotates, the inner wall of scraper blade with the churn strikes off, stir through stirring board one, in the above-mentioned working process, drive assembly one makes the removal post reciprocate, three kinds of stirring take place for the churn, the convection current stirring, differential stirring and mixed stirring, thereby the stirring rate is improved.

Drawings

Fig. 1 is a schematic overall structure diagram of the first embodiment.

Fig. 2 is an enlarged schematic view of a portion a of fig. 1.

Fig. 3 is a schematic internal structure diagram of the first embodiment.

Fig. 4 is a schematic overall structure diagram of the second embodiment.

Fig. 5 is a schematic overall structure diagram of the third embodiment.

In the figure: 1. a mixing drum; 2. a first driving component; 201. a first servo motor; 202. a cam; 203. a first supporting part; 204. a contact pad; 205. a spring; 3. a second driving component; 301. a second support part; 302. a servo motor II; 303. a first transmission wheel; 304. a transmission belt; 305. a second driving wheel; 4. a feed inlet; 5. a cylinder cover; 6. a discharging barrel; 7. an electromagnetic valve; 8. a support pillar; 9. moving the column; 10. a first transmission gear; 11. a second transmission gear; 12. an inner gear ring; 13. a squeegee; 14. a first stirring plate; 15. rotating the rod; 16. a second stirring plate; 17. a helical blade; 18. a vibration motor; 19. shock attenuation platform.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

Example 1

Referring to fig. 1-3, in an embodiment of the present invention, a concrete mixer for a building site includes a mixing drum 1, a drum cover 5 is fixed to a top of the mixing drum 1, a feeding port 4 for pouring concrete is opened at a top of the drum cover 5, a circular hole is opened at a top of the mixing drum 1, a moving column 9 coaxial with the circular hole is disposed in the circular hole, a rotating rod 15 coaxial with the moving column 9 is fixed to a bottom end of the moving column 9, a plurality of mixing plates two 16 are fixed to an outer circumferential wall of the rotating rod 15, a first transmission gear 10, a second transmission gear 11 and an inner gear ring 12 are rotatably installed at a bottom of the drum cover 5, a plurality of first guide grooves are opened on an inner wall of a tooth hole of the first transmission gear 10, a plurality of guide bars are fixed to an outer circumferential wall of the moving column 9, the guide bars are slidably installed in the first guide grooves, the first transmission gear 10 and the inner gear ring 12 are both engaged with the second transmission gear 11, the bottom of internal gear ring 12 is fixed with the scraper blade 13 that a plurality of equidistance distribute, scraper blade 13 is fixed with a plurality of equidistance distribution's stirring board one 14 towards one side outer wall of dwang 15, stirring board one 14 and two 16 crisscross distributions of stirring board, make the removal post 9 carry out pivoted drive assembly two 3 is installed at the top of cover 5, the drive assembly one 2 that makes the removal post 9 carry out the reciprocating is installed at the top of cover 5, can know by above-mentioned relation of connection, drive assembly two 3 makes the removal post 9 rotate, dwang 15 rotates along with removing the post 9 synchronous to drive gear one 10 rotates along with removing the post 9 synchronous, stirring board two 16 rotates along with dwang 15, because drive gear one 10 and internal gear ring 12 all mesh with drive gear two 11, can know from this that internal gear ring 12 rotates, scraper blade 13 strikes off the inner wall of churn 1, stirs through a stirring board 14, and in the above-mentioned working process, drive assembly 2 makes removal post 9 reciprocate to three kinds of stirs take place for churn 1, the convection current stirring, differential stirring and mixed stirring, thereby improve the stirring rate.

Further, a discharging barrel 6 communicated with the stirring barrel 1 is fixed in the middle of the bottom of the stirring barrel, and the discharging barrel 6 is used for discharging materials.

Further, an electromagnetic valve 7 for opening and closing is installed at the bottom of the discharging barrel 6.

Further, the circumference outer wall of dwang 15 is fixed with rather than coaxial helical blade 17, helical blade 17 is located play feed cylinder 6, and dwang 15 can make helical blade 17 rotate, discharges churn 1 fast.

Further, a plurality of support columns 8 which are distributed at equal intervals and used for supporting are fixed at the bottom of the mixing drum 1.

Further, the first driving assembly 2 comprises a resetting assembly, a first supporting piece 203, a first servo motor 201 and a cam 202 fixed on an output shaft of the first servo motor 201, the resetting assembly is installed on the movable column 9, the first servo motor 201 is fixed on the first supporting piece 203, the first supporting piece 203 is fixed on the barrel cover 5, the resetting assembly comprises a contact disc 204 and a spring 205, the contact disc 204 is fixed at the top of the movable column 9, the spring 205 is sleeved on the movable column 9, the first servo motor 201 enables the cam 202 to rotate, the cam 202 continuously applies pressure to the top of the contact disc 204, and the spring 205 continuously stretches and retracts.

Further, the driving assembly two 3 includes a second supporting member 301, a second servo motor 302, a first transmission wheel 303, a transmission belt 304 and a second transmission wheel 305, the second supporting member 301 is fixed on the barrel cover 5, the second servo motor 302 is fixed on the second supporting member 301, the first transmission wheel 303 is coaxially fixed with an output shaft of the second servo motor 302, the second transmission wheel 305 is rotatably installed on the barrel cover 5, a circular hole is formed in the top of the second transmission wheel 305, the second transmission wheel 305 is sleeved on the movable column 9, a plurality of second guide grooves are formed in the circular hole, the guide strips are slidably installed in the second guide grooves, two ends of the spring 205 are respectively in contact with the second transmission wheel 305 and the contact disc 204, the second servo motor 302 enables the first transmission wheel 303 to rotate through the output shaft, the first transmission wheel 303 drives the second transmission wheel 305 to rotate through the transmission belt 304, and the second transmission wheel 305 drives the movable column 9 to rotate.

The utility model discloses a theory of operation is: the second 3 messenger of drive assembly moves post 9 and rotates, dwang 15 rotates along with moving post 9 synchronization, and drive gear 10 rotates along with moving post 9 synchronization, stirring board two 16 rotates along with dwang 15, because drive gear 10 and internal gear ring 12 all mesh with drive gear two 11, can know internal gear ring 12 from this and rotate, scraper blade 13 strikes off the inner wall of churn 1, stir through stirring board 14, in the above-mentioned working process, drive assembly 2 makes and moves post 9 and reciprocates, churn 1 takes place three kinds of stirring, the convection current stirring, differential stirring and mixed stirring, thereby improve the stirring rate.

Example 2

Referring to fig. 4, the difference from embodiment 1 is that a vibration motor 18 is fixed to the outer wall of the mixing drum 1.

The utility model discloses a theory of operation is: the vibrating motor 18 can vibrate the mixing drum 1 to improve the discharging rate.

Example 3

Referring to fig. 5, unlike embodiment 1, a shock absorbing table 19 is installed on the top of the supporting column 8. The damping table 19 is prior art and is mainly used for damping.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention.

Claims

1. The utility model provides a concrete mixer for building site, includes churn (1), churn (1) top is fixed with cover (5), feed inlet (4), its characterized in that have been seted up at the top of cover (5): the round hole has been seted up at the top of churn (1), be provided with in the round hole rather than coaxial removal post (9), the bottom mounting that removes post (9) has rather than coaxial dwang (15), the circumference outer wall of dwang (15) is fixed with a plurality of stirring board two (16), the bottom rotation of cover (5) installs drive gear (10), drive gear two (11) and internal gear ring (12), a plurality of guide ways one has been seted up to the tooth hole inner wall of drive gear (10), the circumference outer wall that removes post (9) is fixed with a plurality of gibs, gib s slidable mounting is in guide way one, drive gear one (10) and internal gear ring (12) all mesh with drive gear two (11), the bottom of internal gear ring (12) is fixed with a plurality of equidistance distribution's scraper blade (13), scraper blade (13) are fixed with a plurality of equidistance distribution's stirring board one (14) towards one side outer wall of dwang (15), stirring board one (14) and stirring board two (16) distribute, the crisscross distribution of cover (5) install and make a top drive subassembly (9) that the top that remove post (9) and carry out two drive components (2) that reciprocate.

2. The concrete mixer for construction sites according to claim 1, wherein: and a discharge barrel (6) communicated with the mixing barrel (1) is fixed at the middle position of the bottom of the mixing barrel.

3. A concrete mixer for a construction site according to claim 2, wherein: and an electromagnetic valve (7) is arranged at the bottom of the discharging barrel (6).

4. The concrete mixer for construction sites according to claim 2, wherein: the circumference outer wall of dwang (15) is fixed with helical blade (17) rather than coaxial, helical blade (17) are located play feed cylinder (6).

5. A concrete mixer for use in construction sites according to claim 4, wherein: a plurality of support columns (8) which are distributed at equal intervals are fixed at the bottom of the mixing drum (1).

6. The concrete mixer for construction sites according to claim 1, wherein: the first driving assembly (2) comprises a resetting assembly, a first supporting piece (203), a first servo motor (201) and a cam (202) fixed on an output shaft of the first servo motor (201), the resetting assembly is installed on the movable column (9), the first servo motor (201) is fixed on the first supporting piece (203), and the first supporting piece (203) is fixed on the cylinder cover (5).

7. The concrete mixer for construction sites according to claim 6, wherein: the reset assembly comprises a contact disc (204) and a spring (205), the contact disc (204) is fixed to the top of the movable column (9), and the spring (205) is sleeved on the movable column (9).

8. The concrete mixer for construction sites according to claim 7, wherein: the driving assembly II (3) comprises a supporting piece II (301), a servo motor II (302), a driving wheel I (303), a driving belt (304) and a driving wheel II (305), the supporting piece II (301) is fixed on the barrel cover (5), the servo motor II (302) is fixed on the supporting piece II (301), the driving wheel I (303) is coaxially fixed with an output shaft of the servo motor II (302), the driving wheel II (305) is rotatably installed on the barrel cover (5), a round hole is formed in the top of the driving wheel II (305), the driving wheel II (305) is sleeved on the moving column (9), a plurality of guide grooves II are formed in the round hole, the guide strips are slidably installed in the guide grooves II, and two ends of the spring (205) are respectively in contact with the driving wheel II (305) and the contact disc (204).

9. A concrete mixer for construction sites according to claim 3, wherein: and a vibration motor (18) is fixed on the outer wall of the mixing drum (1).

10. A concrete mixer for use in construction sites according to claim 5, wherein: and a damping table (19) is installed at the top of the supporting column (8).