CN220362780U

CN220362780U - Concrete stirring device

Info

Publication number: CN220362780U
Application number: CN202321531772.9U
Authority: CN
Inventors: 胡玉平; 董金芸; 肖莹莹; 鲁璐; 周争武; 张博偲; 郝培林
Original assignee: Shaanxi Nonferrous Construction Co ltd
Current assignee: Shaanxi Nonferrous Construction Co ltd
Priority date: 2023-06-15
Filing date: 2023-06-15
Publication date: 2024-01-19
Anticipated expiration: 2033-06-15

Abstract

The utility model discloses a concrete stirring device, which comprises a tank body, a motor fixedly arranged outside the tank body and a rotating main shaft horizontally arranged inside the tank body, wherein an output shaft of the motor is connected with the rotating main shaft through a coupler; one end of the rotating main shaft, which is close to the motor, is sleeved with a fixed plate, one end of the rotating main shaft, which is far away from the motor, is fixedly provided with a supporting slat, the fixed plate is fixedly connected with the tank body, the rotating main shaft is rotationally connected with the fixed plate, a plurality of sets of stirring mechanisms for stirring concrete are rotationally arranged between the supporting slat and the fixed plate, and the plurality of sets of stirring mechanisms are uniformly distributed by taking the rotating main shaft as the center; meanwhile, a scraping plate is fixedly arranged on the supporting slat. According to the stirring device, the motor drives the rotating main shaft to rotate positively and negatively, so that the stirring mechanism revolves around the rotating main shaft and rotates simultaneously, and the concrete is fully stirred; meanwhile, the scraping plate can clean the inner wall of the tank body in real time, so that coagulation adhesion is prevented, the purpose of stirring concrete uniformly is achieved, and the maintenance cost is reduced.

Description

Concrete stirring device

Technical Field

The utility model belongs to the technical field of concrete processing equipment, and particularly relates to a concrete stirring device.

Background

Concrete is simply referred to as "concrete" and refers to a generic term for engineering composite materials in which aggregate is glued into a whole by a cementitious material. The term concrete generally refers to cement concrete which is obtained by mixing cement as a cementing material, sand and stone as aggregate and water (which can contain additives and admixtures) according to a certain proportion and stirring, and is also called ordinary concrete. The concrete has the characteristics of rich raw materials, low price, simple production process, high compressive strength, good durability, wide strength grade range and the like. Therefore, the concrete has wide application, and is not only used for various civil engineering, but also used for shipbuilding, mechanical industry, ocean development, geothermal engineering and the like.

In the existing concrete stirring equipment, concrete is easy to adhere to the inner wall of a stirring tank in the stirring process, raw materials are wasted, and after the concrete stirring equipment is used, hardened concrete can be adhered to the inner wall of a stirring cylinder of the concrete stirring equipment if the concrete stirring equipment is not cleaned in time, so that the space is occupied, the volume of the stirring tank is smaller and smaller, and the subsequent use of the concrete stirring equipment is affected; in addition, the existing concrete stirring equipment is single in stirring mode, not uniform enough in stirring, and can not be stirred at some positions, so that the quality of concrete is affected, and particularly for production of ultra-high performance concrete such as UHPC (ultra-high performance concrete), the existing common stirring equipment is difficult to meet the requirements.

In view of the above, the present inventors have proposed a concrete stirring device to overcome the drawbacks of the prior art.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a concrete stirring device, wherein a plurality of stirring mechanisms are uniformly distributed in a tank body and are driven by the same motor, so that the stirring mechanisms and materials can be fully stirred by controlling the forward and reverse rotation of the motor, and the stirring quality of concrete is ensured; meanwhile, the stirring device is further provided with the scraping plate, when the stirring device operates, the scraping plate can clean the inner wall of the tank body in real time, concrete is prevented from being attached to the inner wall of the tank body, and maintenance cost after use is reduced.

The utility model aims at solving the problems by the following technical scheme:

the utility model provides a concrete stirring device which comprises a tank body, a motor fixedly arranged outside the tank body and a rotating main shaft horizontally arranged inside the tank body, wherein the rotating main shaft is in rotating connection with the tank body, and an output shaft of the motor vertically penetrates through the tank body and then is connected with one end of the rotating main shaft through a coupling;

the one end cover that the rotation main shaft is close to the motor is equipped with the fixed plate, and the one end that keeps away from the motor is fixed to be provided with first supporting slat, fixed plate and jar internal wall fixed connection, the rotation main shaft rotates with the fixed plate to be connected, rotate between first supporting slat and the fixed plate and be provided with many sets of rabbling mechanism that are used for stirring concrete, many sets rabbling mechanism is evenly distributed with the rotation main shaft as the center.

Further, the stirring mechanism comprises a stirring shaft, a plurality of stirring blades are arranged on the peripheral wall of the stirring shaft at equal intervals along the length direction, one end of the stirring shaft is rotationally connected with the first support slat, the other end of the stirring shaft is fixedly connected with a gear, one end of the stirring shaft with the gear penetrates through the fixing plate and then is in meshed connection with the annular gear, and the annular gear is fixedly connected with the inner wall of the tank body through a fixing piece.

Further, when the stirring shaft passes through the fixing plate, a sealing bearing is fixedly arranged in the through hole of the fixing plate, a shaft sleeve is fixedly arranged on the inner ring of the sealing bearing, and the shaft sleeve is in interference fit with the stirring shaft.

Further, the fixed plate is of a circular plate-shaped structure, and the outer ring of the fixed plate of the circular plate-shaped structure is connected with the inner wall of the tank body in a sealing manner, so that the meshing transmission of the gear and the annular gear is prevented from being influenced by concrete infiltration.

Further, the stirring mechanisms are two sets and are symmetrically arranged on the upper side and the lower side of the first support slat by taking the rotating main shaft as a center.

Further, the center line of the rotating main shaft coincides with the axis of the tank body.

Further, a second support slat is fixedly arranged on the rotating main shaft and positioned between the first support slat and the fixed plate, and the second support slat is arranged close to one side of the fixed plate;

the scraping plates are fixedly arranged at the two ends of the first supporting strip plate and the second supporting strip plate respectively and are used for cleaning the inner wall of the tank body.

Preferably, the outer side wall of the scraping plate is in clearance fit with the inner side wall of the tank body.

Further, a control panel is fixedly arranged outside the tank body, the motor is electrically connected with the control panel, and the motor is a forward and reverse rotation motor.

Further, the tank body top is provided with the material and throws the mouth, is provided with the concrete discharge pipeline in the tank body bottom of keeping away from fixed plate one side, install the discharge valve on the concrete discharge pipeline.

Further, the bottom of the tank body is provided with the roller with a braking function and the hook, so that the stirring device can be pulled and moved through the vehicle-mounted tool.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model provides a concrete stirring device which mainly comprises a tank body, a forward and reverse rotation motor, a rotation main shaft, a fixed plate, a plurality of stirring mechanisms, support strips and a scraping plate, wherein the forward and reverse rotation of the motor is controlled by a control panel, the motor drives the rotation main shaft to rotate, the rotation main shaft drives the plurality of stirring mechanisms to rotate together through the first support strips and the second support strips, and the stirring mechanisms drive the respective stirring shafts to rotate independently through the meshing of an annular gear and a gear, so that concrete at different positions in the tank body can be fully stirred in a plurality of stirring modes, the stirring effect of materials is improved, the stirring of the materials is more uniform, and the quality of the concrete is ensured; in addition, the scraping plates are arranged on the outer sides of the two supporting strips of the stirring device, when the stirring device operates, the scraping plates can clean the inner wall of the tank body in real time, concrete is prevented from being attached to the inner wall of the tank body, and maintenance cost of the stirring device after the stirring device is used is reduced.

2. According to the concrete stirring device provided by the utility model, the roller and the hook are arranged at the bottom of the tank body, so that the stirring device can be conveniently moved to a destination through a vehicle-mounted tool; of course, under the condition of ensuring a power supply, concrete can be directly transported through the tank body, dust flying is avoided, and the working strength of operators is reduced.

3. The utility model provides a concrete stirring device, which is characterized in that a circular plate-shaped fixing plate is arranged, one circle of the fixing plate is in sealing connection with the inner wall of a tank body, and the stirring device has the following two aspects: the fixed plate is matched with the first support slat to provide a support rotary platform for the stirring shaft, so that the stability and reliability of the meshing of the gear and the annular gear are ensured; secondly, cut apart the jar internal chamber, avoid the concrete material infiltration (or flow in) of stirring to gear and ring gear meshing one side, guaranteed the result of use and the life of this jar body.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate principles of the utility model and together with the description, serve to explain the principles of the utility model.

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic view of a concrete mixing plant according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a concrete mixing apparatus according to the present utility model;

FIG. 3 is an enlarged view of portion A of FIG. 2 in accordance with the present utility model;

FIG. 4 is a schematic diagram of the connection and matching structure of the sealing bearing, the shaft sleeve and the rotating main shaft of the utility model.

Wherein: 1 is a tank body; 2 is a motor; 3 is a rotating main shaft; 4 is a fixed plate; 5 is a first support slat; 6 is a stirring mechanism; 7 is a second support slat; 8 is a scraping plate; 9 is a control panel; 11 is a material inlet; 12 is a concrete discharge pipe; 13 is a roller; 61 is a stirring shaft; 62 is a stirring blade; 63 is a gear; 64 is an inner gear ring; 65 is a sealed bearing; 66 is a sleeve; 121 is a discharge valve.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the utility model. Rather, they are merely examples of devices that are consistent with aspects of the utility model that are set forth in the following claims.

The present utility model will be described in further detail below with reference to the drawings and examples for better understanding of the technical solutions of the present utility model to those skilled in the art.

Referring to fig. 1 to 4, the utility model provides a concrete stirring device, which comprises a tank body 1 horizontally arranged, a motor 2 fixedly arranged outside the tank body 1, and a rotating main shaft 3 horizontally arranged inside the tank body 1, wherein the rotating main shaft 3 is rotationally connected with the tank wall of the tank body 1, and an output shaft of the motor 2 vertically penetrates through the tank body 1 and then is connected with one end of the rotating main shaft 3 through a coupling; wherein, the cover is equipped with fixed plate 4 on the one end inside wall that the rotation main shaft 3 is close to motor 2, and the one end that keeps away from the motor is fixed to be provided with first supporting slat 5, fixed plate 4 and jar body 1 inner wall fixed connection, and rotation main shaft 3 rotates with fixed plate 4 to be connected, rotates between first supporting slat 5 and the fixed plate 4 to be provided with many sets of rabbling mechanism 6 that are used for stirring concrete, and many sets of rabbling mechanism 6 are evenly distributed with rotation main shaft 3 as the center. Through the arrangement, after the motor 2 is started, the motor drives the rotating main shaft 3 to rotate forward or reversely, and the rotating main shaft 3 drives the first supporting strip plate 5 and the stirring mechanisms 6 to rotate integrally, and as the two ends of each stirring mechanism 6 are respectively connected with the first supporting strip plate 5 and the fixed plate 4 in a rotating way, the stirring mechanisms 6 can rotate to stir materials in the whole rotating way, so that concrete materials in all positions inside the tank body 1 can be fully stirred, the stirring effect of the materials is improved, the stirring of the materials is more uniform, and the concrete quality is guaranteed.

Specifically, each stirring mechanism 6 in the embodiment of the utility model includes a stirring shaft 61, where the stirring shaft 61 is parallel to the rotating main shaft 3, a plurality of stirring blades 62 are equidistantly disposed on a peripheral wall of the stirring shaft 61 along a length direction, preferably, the stirring blades 62 are spiral stirring blades 62, one end of the stirring shaft 61 is rotationally connected with the first supporting strip plate 5, the other end is fixedly connected with a gear 63, one end of the stirring shaft 61 with the gear 63 passes through the fixing plate 4 and then is engaged with an inner gear ring 64, and an outer wall of the inner gear ring 64 is fixedly connected with an inner wall of the tank 1 through a fixing piece.

Further, in order to ensure long-term reliable operation of the stirring mechanism 6 and reduce maintenance frequency, in the embodiment of the utility model, when the stirring shaft 61 passes through the fixed plate 4, a sealing bearing 65 or a rotating plate (when the stirring shaft is a rotating plate, the rotating plate is rotationally connected with the fixed plate 4 and performs corresponding sealing treatment) is fixedly arranged in a through hole of the fixed plate 4, an inner ring of the sealing bearing 65 is fixedly provided with a shaft sleeve 66, and the shaft sleeve 66 is in interference fit with the stirring shaft 61. Namely, the sealing bearing 65 and the shaft sleeve 66 are fixedly arranged in the through hole of the fixing plate 4, a supporting platform is provided for the rotation of the stirring shaft 61 by matching with the first supporting slat 5, and the stability and the reliability of the meshing of the gear 63 at the end part of the stirring shaft 61 and the annular gear 64 are ensured.

In the embodiment of the utility model, the fixing plate 4 is provided with a circular plate-shaped structure, the outer ring of the fixing plate 4 of the circular plate-shaped structure is in sealing connection with the inner wall of the tank body 1, and the stirring shaft 61 adopts relevant sealing measures when penetrating through the fixing plate 4. Therefore, the inner cavity of the tank body 1 is actually divided into two parts, a part of larger area (left side of fig. 2) is a stirring operation area of concrete, the meshing of the gear 63 and the annular gear 64 and the connection position of the output shaft of the motor 2 and the rotating main shaft 3 are all positioned in a small part of the area on the right side of fig. 2, so that the left side stirring concrete material is prevented from entering the right side, the right side precise running mechanism is prevented from being interfered or damaged, conditions are created for long-term stable operation of the stirring device, and the service life of the stirring device is prolonged.

Preferably, in the embodiment of the utility model, the stirring mechanisms 6 are two sets and are symmetrically arranged on the upper side and the lower side of the first support slat 5 by taking the rotating main shaft 3 as a center; and meanwhile, the central line of the rotating main shaft 3 coincides with the axis of the tank body 1, so that the uniformity and stability of stirring during the operation of the stirring device are further ensured.

In the embodiment of the utility model, a second supporting slat 7 is fixedly arranged on the rotating main shaft 3 and between the first supporting slat 5 and the fixed plate 4, and the second supporting slat 7 is arranged near one side of the fixed plate 4, and the second supporting slat 7 is in rotating connection with the stirring shaft 61 (the rotating connection mentioned in the utility model can be connected by adopting a bearing or the like, and is not particularly limited); the scraping plates 8 are fixedly arranged at the two ends of the first supporting strip plate 5 and the second supporting strip plate 7 respectively, the shape of each scraping plate 8 is matched with the inner wall of the tank body 1, the outer side wall of each scraping plate 8 is in clearance fit with the inner wall of the tank body 1, the scraping plates 8 are used for cleaning the inner wall of the tank body 1, concrete is prevented from being attached to the inner wall of the tank body 1, and maintenance cost after use is reduced.

In order to facilitate control of the concrete stirring device, the control panel 9 is fixedly arranged outside the tank body 1, the motor 2 is electrically connected with the control panel 9, preferably, the motor 2 adopts a positive and negative rotation motor, and the motor 2 is powered by an external power supply or an energy storage device.

The top of the tank body 1 is provided with a material inlet 11, the bottom of the tank body 1 far away from the side of the fixed plate 4 is provided with a concrete discharge pipeline 12, and a discharge valve 121 is arranged on the concrete discharge pipeline 12. Preferably, in order to facilitate the movement of the stirring device, a roller 13 with a braking function and a hook (not shown) are installed at the bottom of the tank 1, so as to facilitate the traction by a vehicle-mounted tool.

When the concrete stirring device is used, firstly, the motor 2 is started through the control panel 9, the motor 2 drives the rotating main shaft 3 in the tank body 1 to rotate, and the rotating main shaft 3 drives the two stirring mechanisms 6 (the stirring shaft 61, the stirring blades 62, the gear 63, the annular gear 64 and the like) to integrally rotate through the first supporting strip plate 5 and the second supporting strip plate 7, so that the concrete is fully stirred; in addition, during the stirring process, since the gear 63 at one end of the stirring shaft 61 is meshed with the annular gear 64, when the stirring mechanism 6 is required to rotate integrally, the stirring shafts 61 also drive the stirring blades 62 to rotate independently. That is, when the rotating main shaft 3 drives all the stirring mechanisms 6 to rotate, the stirring shaft 61 rotates while revolving around the rotating main shaft 3, so that concrete at different positions in the tank body 1 can be fully stirred, the stirring effect of materials is improved, the concrete is more fully and uniformly mixed, and the stirring speed is increased. Meanwhile, the running rotating main shaft 3 also drives the scraping plate 8 to clean the inner wall of the tank body 1 in real time through the first supporting strip plate 5 and the second supporting strip plate 7, so that concrete is prevented from adhering to the inner wall of the tank body 1, labor is saved, and maintenance cost after use is reduced.

The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model.

It will be understood that the utility model is not limited to what has been described above and that various modifications and changes may be made without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.

Claims

1. The concrete stirring device is characterized by comprising a tank body (1), a motor (2) fixedly arranged outside the tank body (1) and a rotating main shaft (3) horizontally arranged inside the tank body (1), wherein the rotating main shaft (3) is rotationally connected with the tank body (1), and an output shaft of the motor (2) vertically penetrates through the tank body (1) and then is connected with one end of the rotating main shaft (3) through a coupling;

one end cover that rotation main shaft (3) is close to motor (2) is equipped with fixed plate (4), keeps away from the fixed first supporting slat (5) that is provided with of one end of motor, fixed plate (4) and jar body (1) inner wall fixed connection, rotation main shaft (3) are connected with fixed plate (4) rotation, rotate between first supporting slat (5) and fixed plate (4) and be provided with many sets of rabbling mechanism (6) that are used for stirring concrete, many sets rabbling mechanism (6) are evenly distributed with rotation main shaft (3) as the center.

2. The concrete stirring device according to claim 1, wherein the stirring mechanism (6) comprises a stirring shaft (61), a plurality of stirring blades (62) are equidistantly arranged on the peripheral wall of the stirring shaft (61) along the length direction, one end of the stirring shaft (61) is rotationally connected with the first supporting strip plate (5), the other end of the stirring shaft is fixedly connected with a gear (63), one end of the stirring shaft (61) with the gear (63) penetrates through the fixing plate (4) and then is in meshed connection with an inner gear ring (64), and the inner gear ring (64) is fixedly connected with the inner wall of the tank body (1) through a fixing piece.

3. A concrete mixing plant according to claim 2, characterized in that the mixing shaft (61) is fixedly provided with a sealing bearing (65) in the through hole of the fixing plate (4) when passing through the fixing plate (4), the inner ring of the sealing bearing (65) is fixedly provided with a shaft sleeve (66), and the shaft sleeve (66) is in interference fit with the mixing shaft (61).

4. A concrete stirring device according to claim 3, characterized in that the fixing plate (4) is of a circular plate-shaped structure, and the outer ring of the fixing plate (4) of the circular plate-shaped structure is in sealing connection with the inner wall of the tank body (1), so that the meshing transmission of the gear (63) and the inner gear ring (64) is prevented from being influenced by the penetration of concrete.

5. A concrete mixing plant according to any one of claims 1 to 4, characterized in that the mixing means (6) are provided in two sets and are symmetrically mounted on the upper and lower sides of the first support lath (5) with the rotation main shaft (3) as a center.

6. A concrete mixing plant according to claim 5, characterized in that the centre line of the rotating spindle (3) coincides with the axis of the tank (1).

7. A concrete mixing plant according to claim 5, characterized in that a second support slat (7) is fixedly arranged on the rotating main shaft (3) between the first support slat (5) and the fixing plate (4), and the second support slat (7) is arranged close to one side of the fixing plate (4);

the scraper blade (8) is fixedly arranged at two ends of the first support slat (5) and the second support slat (7) respectively, the outer side wall of the scraper blade (8) is in clearance fit with the inner wall of the tank body (1), and the scraper blade (8) is used for cleaning the inner wall of the tank body (1).

8. The concrete mixing device according to claim 5, wherein a control panel (9) is fixedly arranged outside the tank body (1), the motor (2) is electrically connected with the control panel (9), and the motor (2) is a forward and reverse rotation motor.

9. A concrete mixing plant according to claim 5, characterized in that the top of the tank (1) is provided with a material inlet (11), the bottom of the tank (1) at the side far away from the fixed plate (4) is provided with a concrete discharge pipe (12), and the concrete discharge pipe (12) is provided with a discharge valve (121).

10. A concrete mixing plant according to claim 5, characterized in that the bottom of the tank (1) is provided with rollers (13) with braking function and hooks for facilitating the traction movement of the mixing plant by means of a vehicle-mounted tool.