Rapid stirring device for early strength concrete

Abstract

The utility model relates to the technical field of early strength concrete, in particular to an early strength concrete rapid stirring device which comprises supporting legs, a stirring barrel and a discharging pipe, the outer sides of the supporting legs are fixedly connected with the stirring barrel, the inner side of the stirring barrel is connected with the discharging pipe in a penetrating mode, and a stirring mechanism is arranged on the lower side of the stirring barrel and comprises a motor. The outer side of the motor is fixedly connected with a fixing support, the tail end of a rotating shaft of the motor is fixedly connected with a main shaft, the outer side of the main shaft is fixedly connected with a bearing, the outer side of the main shaft is fixedly connected with a stirring rod, and the outer side of the main shaft is fixedly connected with a transmission mechanism. A first transmission wheel is slidably connected to the outer side of the first belt, a first auxiliary shaft is fixedly connected to the inner side of the first transmission wheel, and a second belt is slidably connected to the outer side of the double-groove rotating wheel. According to the stirring device, early strength concrete on the inner side of the stirring barrel can be fully stirred, and the stirring speed of the early strength concrete can be increased through the multiple stirring shafts.

Description

Technical Field

[0001] The utility model relates to the technical field of early-strength concrete, in particular to an early-strength concrete rapid mixing device. Background Art

[0002] The early strength concrete rapid mixing device is a device specially designed for producing early strength concrete. It can complete the mixing process of concrete in a short time and ensure the rapid development of early strength of concrete. By using this device, the construction speed can be significantly improved, the project cycle can be shortened, and the cost can be reduced;

[0003] In the process of manufacturing early-strength concrete, it is necessary to mix the raw materials of concrete with early-strength additives so that the produced concrete has the required strength. At the same time, in order to make the production speed of concrete with early-strength additives faster, the early-strength concrete needs to be continuously stirred. However, the early-strength concrete stirring device is mostly equipped with a stirring shaft. A single stirring shaft is prone to stirring blind spots when stirring early-strength concrete in a fixed volume, and the number of stirring shafts is small, which affects the stirring rate of the early-strength concrete. Therefore, a rapid stirring device for early-strength concrete is proposed to address the above problems. Utility Model Content

[0004] The utility model aims to provide a rapid mixing device for early-strength concrete, so as to solve the problem that most devices for mixing early-strength concrete are provided with a mixing shaft, a single mixing shaft is prone to mixing blind spots when mixing early-strength concrete in a fixed volume, and the number of mixing shafts is small, which affects the mixing rate of early-strength concrete.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A rapid mixing device for early-strength concrete comprises a support leg, a mixing barrel and a discharge pipe, wherein the outer side of the support leg is fixedly connected to the mixing barrel, the inner side of the mixing barrel is connected through the discharge pipe, a mixing mechanism is arranged at the lower side of the mixing barrel, the mixing mechanism comprises a motor, a fixed bracket is fixedly connected to the outer side of the motor, a main shaft is fixedly connected to the end of the motor shaft, a bearing is fixedly connected to the outer side of the main shaft, a mixing rod is fixedly connected to the outer side of the main shaft, a transmission mechanism is fixedly connected to the outer side of the main shaft, the transmission mechanism comprises a double-groove rotating wheel, a first belt is slidably connected to the outer side of the double-groove rotating wheel, a first transmission wheel is slidably connected to the outer side of the first belt, a first secondary shaft is fixedly connected to the inner side of the first transmission wheel, a second belt is slidably connected to the outer side of the double-groove rotating wheel, a second transmission wheel is slidably connected to the outer side of the second belt, a second secondary shaft is fixedly connected to the inner side of the second transmission wheel, a limiting frame is fixedly connected to the inner side of the mixing barrel, the limiting frame comprises a fixing rod, a fixing block is fixedly connected to the outer side of the fixing rod, a sliding ball is slidably connected to the inner side of the fixing block, and a connecting rod is fixedly connected to the outer side of the fixing block.

[0007] As a further optimization of the present invention, there are several stirring rods in total, and the stirring rods are grouped in four. The stirring rods are evenly distributed on the outside of the main shaft, the first secondary shaft and the second secondary shaft, and any group of adjacent stirring rods on the main shaft, the first secondary shaft and the second secondary shaft are staggered.

[0008] As a further optimization of the present invention, the diameters of the main shaft, the first secondary shaft and the second secondary shaft are the same, and the main shaft, the first secondary shaft and the second secondary shaft are evenly distributed inside the mixing barrel with the axis of the mixing barrel as the center of the circle.

[0009] As a further optimization of the present invention, the number of the bearings and the sliding balls is three, the bearings and the sliding balls are respectively fixed on the main shaft, the first secondary shaft and the second secondary shaft, and the bearings are fixedly connected to the mixing barrel.

[0010] As a further optimized content of the present invention, the first transmission wheel and the second transmission wheel are of the same size, the diameter of the first transmission wheel is smaller than the diameter of the double-groove rotating wheel, and the first transmission wheel and the second transmission wheel are staggered with each other.

[0011] As a further optimization of the present invention, the number of the fixing rods and the number of the connecting rods are both three, the lengths of the connecting rods are the same, and the connecting rods are connected to each other through fixing blocks to form an equilateral triangle.

[0012] As a further optimization of the present invention, the maximum diameter of the sliding ball is larger than the diameter of the main shaft, an oil filling hole and a plurality of oil dispersion holes are provided inside the sliding ball, and the diameter of the oil filling hole inside the sliding ball is much larger than the diameter of the oil dispersion hole.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, by providing a double-groove rotating wheel, a first secondary shaft, a second secondary shaft and a stirring rod, when the early-strength concrete mixing device is used, the motor controls the rotation of the main shaft and can drive the first transmission wheel and the second transmission wheel to rotate through the first belt and the second belt, so that the main shaft, the first secondary shaft and the second secondary shaft inside the mixing barrel can all drive the stirring rod fixedly connected to the outside thereof to rotate, so that the early-strength concrete inside the mixing barrel can be fully stirred, and multiple stirring shafts can increase the stirring rate of the early-strength concrete. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the inner structure of the mixing barrel of the utility model;

[0017] Figure 3 This is a schematic diagram of the main shaft structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the double-groove runner structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the internal structure of the fixed block of the utility model.

[0020] In the figure: 1. support leg; 2. mixing barrel; 3. discharge pipe; 4. mixing mechanism; 41. motor; 42. fixed bracket; 43. main shaft; 44. bearing; 45. mixing rod; 46. transmission mechanism; 461. double-groove rotating wheel; 462. first belt; 463. first transmission wheel; 464. first secondary shaft; 465. second belt; 466. second transmission wheel; 467. second secondary shaft; 5. limit frame; 51. fixed rod; 52. fixed block; 53. sliding ball; 54. connecting rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0023] See also Figure 1-5 , the utility model provides a technical solution:

[0024] A rapid mixing device for early-strength concrete comprises a support leg 1, a mixing barrel 2 and a discharge pipe 3, wherein the outer side of the support leg 1 is fixedly connected to the mixing barrel 2, the inner side of the mixing barrel 2 is connected through the discharge pipe 3, a mixing mechanism 4 is arranged at the lower side of the mixing barrel 2, the mixing mechanism 4 comprises a motor 41, a fixed bracket 42 is fixedly connected to the outer side of the motor 41, a main shaft 43 is fixedly connected to the end of the rotating shaft of the motor 41, a bearing 44 is fixedly connected to the outer side of the main shaft 43, a stirring rod 45 is fixedly connected to the outer side of the main shaft 43, a transmission mechanism 46 is fixedly connected to the outer side of the main shaft 43, and the transmission mechanism 46 comprises a double-grooved rotating wheel 461, and the outer side of the double-grooved rotating wheel 461 is slidably connected to the outer side of the main shaft 43. There is a first belt 462, the first belt 462 is slidably connected to the first transmission wheel 463 on the outside, the first transmission wheel 463 is fixedly connected to the first secondary shaft 464 on the inside, the double-groove rotating wheel 461 is slidably connected to the second belt 465 on the outside, the second belt 465 is slidably connected to the second transmission wheel 466 on the outside, the second transmission wheel 466 is fixedly connected to the second secondary shaft 467 on the inside, the mixing barrel 2 is fixedly connected to the limiting frame 5 on the inside, the limiting frame 5 includes a fixing rod 51, the fixing rod 51 is fixedly connected to the fixing block 52 on the outside, the fixing block 52 is slidably connected to the sliding ball 53 on the inside, and the fixing block 52 is fixedly connected to the connecting rod 54 on the outside.

[0025] As a further implementation of the present scheme, there are a number of stirring rods 45, and the stirring rods 45 are grouped in four. The stirring rods 45 are evenly distributed on the outside of the main shaft 43, the first secondary shaft 464 and the second secondary shaft 467. Any group of adjacent stirring rods 45 on the main shaft 43, the first secondary shaft 464 and the second secondary shaft 467 are staggered, so that the early-strength concrete inside the mixing barrel 2 can be more fully stirred.

[0026] As a further implementation of this solution, the diameters of the main shaft 43, the first secondary shaft 464 and the second secondary shaft 467 are the same, and the main shaft 43, the first secondary shaft 464 and the second secondary shaft 467 are evenly distributed inside the mixing barrel 2 with the axis of the mixing barrel 2 as the center of the circle, so that the main shaft 43 can control the first secondary shaft 464 and the second secondary shaft 467 to rotate together;

[0027] As a further implementation of this solution, the number of bearings 44 and sliding balls 53 is the same as three, and the bearings 44 and sliding balls 53 are respectively fixed on the main shaft 43, the first secondary shaft 464 and the second secondary shaft 467, and the bearing 44 is fixedly connected to the mixing barrel 2, which can ensure that the main shaft 43, the first secondary shaft 464 and the second secondary shaft 467 can rotate stably;

[0028] As a further implementation of this solution, the first transmission wheel 463 and the second transmission wheel 466 are of the same size, the diameter of the first transmission wheel 463 is smaller than the diameter of the double-groove rotating wheel 461, and the first transmission wheel 463 and the second transmission wheel 466 are staggered with each other, so that the first transmission wheel 463 can transmit the rotational force to the first transmission wheel 463 and the second transmission wheel 466;

[0029] As a further implementation of the present solution, the number of the fixing rods 51 and the connecting rods 54 is the same as three, the length of the connecting rods 54 is the same, and the connecting rods 54 are connected to each other through the fixing blocks 52 to form an equilateral triangle, so as to facilitate stable restriction of the positions of the main shaft 43, the first secondary shaft 464 and the second secondary shaft 467;

[0030] As a further implementation scheme of the present scheme, the maximum diameter of the sliding ball 53 is larger than the diameter of the main shaft 43, and an oil filling hole and a plurality of oil dispersion holes are opened on the inner side of the sliding ball 53. The diameter of the oil filling hole on the inner side of the sliding ball 53 is much larger than the diameter of the oil dispersion hole, which is convenient for the user to inject lubricating oil into the sliding ball 53, thereby improving the rotation smoothness of the main shaft 43, the first secondary shaft 464 and the second secondary shaft 467.

[0031] Working process: During use, the equipment is powered by an external power supply. When the mixing device is used to mix and produce early-strength concrete, the motor 41 under the mixing barrel 2 is started, and the motor 41 stably fixed on the support leg 1 through the fixed bracket 42 drives the main shaft 43 to rotate. While the main shaft 43 rotates in the mixing barrel 2 through the bearing 44, the main shaft 43 can drive the double-grooved rotating wheel 461 fixedly connected to its outer side to rotate. The rotating double-grooved rotating wheel 461 can respectively drive the first secondary shaft 464 on the inner side of the first transmission wheel 463 and the second secondary shaft 467 on the inner side of the second transmission wheel 466 to rotate through the first belt 462 and the second belt 465, so that the main shaft 43, the first secondary shaft 464 and the second secondary shaft 467 evenly distributed on the inner side of the mixing barrel 2 can respectively drive the mixing rods 45 fixedly connected to their outer sides to rotate, and the mixing rods 45 respectively arranged on the main shaft 43, the first secondary shaft 464 and the second secondary shaft 467 are staggered with each other, so that the early-strength concrete inside the mixing barrel 2 is The main shaft 43, the first secondary shaft 464 and the second secondary shaft 467 work together to evenly stir and mix. When the main shaft 43, the first secondary shaft 464 and the second secondary shaft 467 rotate, the sliding ball 53 fixedly connected to the upper ends of the three slides in the fixing block 52, and the fixing block 52 is stably connected to the inner side of the mixing barrel 2 through the connecting rod 54 and the fixing rod 51, so that the main shaft 43, the first secondary shaft 464 and the second secondary shaft 467 have relatively stable stirring and rotating performance, and the user can use the sliding ball 53 to The oil filling hole opened at the upper end injects lubricating oil into the inner space of the sliding ball 53, so that the sliding ball 53 can rotate with the main shaft 43, the first secondary shaft 464 and the second secondary shaft 467, and the lubricating oil inside the sliding ball 53 can be gradually discharged from the oil dispersion hole opened inside the sliding ball 53, thereby improving the smoothness of the mixing and rotation of the main shaft 43, the first secondary shaft 464 and the second secondary shaft 467. This device can fully mix the early-strength concrete inside the mixing barrel 2, and multiple mixing shafts can increase the mixing rate of the early-strength concrete.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An early strength concrete rapid mixing device, comprising a support leg (1), a mixing barrel (2) and a discharge pipe (3), characterized in that: The outer side of the support leg (1) is fixedly connected to a stirring barrel (2), the inner side of the stirring barrel (2) is connected through a discharge pipe (3), a stirring mechanism (4) is arranged at the lower side of the stirring barrel (2), the stirring mechanism (4) comprises a motor (41), the outer side of the motor (41) is fixedly connected to a fixed bracket (42), the end of the rotating shaft of the motor (41) is fixedly connected to a main shaft (43), the outer side of the main shaft (43) is fixedly connected to a bearing (44), the outer side of the main shaft (43) is fixedly connected to a stirring rod (45), the outer side of the main shaft (43) is fixedly connected to a transmission mechanism (46), the transmission mechanism (46) comprises a double-grooved rotating wheel (461), the outer side of the double-grooved rotating wheel (461) is slidably connected to a first belt (462), the first belt (462) is slidably connected to the first belt (462), and the second belt (462) is slidably connected to the first belt (462). A first transmission wheel (463) is slidably connected to the outside of a belt (462), a first secondary shaft (464) is fixedly connected to the inside of the first transmission wheel (463), a second belt (465) is slidably connected to the outside of the double-groove rotating wheel (461), a second transmission wheel (466) is slidably connected to the outside of the second belt (465), a second secondary shaft (467) is fixedly connected to the inside of the second transmission wheel (466), a limiting frame (5) is fixedly connected to the inside of the mixing barrel (2), the limiting frame (5) comprises a fixing rod (51), a fixing block (52) is fixedly connected to the outside of the fixing rod (51), a sliding ball (53) is slidably connected to the inside of the fixing block (52), and a connecting rod (54) is fixedly connected to the outside of the fixing block (52).

2. The rapid mixing device for early-strength concrete according to claim 1, characterized in that: There are a number of stirring rods (45), and the stirring rods (45) are arranged in groups of four. The stirring rods (45) are evenly distributed outside the main shaft (43), the first secondary shaft (464), and the second secondary shaft (467), and any group of adjacent stirring rods (45) on the main shaft (43), the first secondary shaft (464), and the second secondary shaft (467) are staggered.

3. The rapid mixing device for early-strength concrete according to claim 1, characterized in that: The diameters of the main shaft (43), the first secondary shaft (464) and the second secondary shaft (467) are the same, and the main shaft (43), the first secondary shaft (464) and the second secondary shaft (467) are evenly distributed inside the mixing barrel (2) with the axis of the mixing barrel (2) as the center of the circle.

4. The rapid mixing device for early-strength concrete according to claim 1, characterized in that: The number of the bearings (44) and the sliding balls (53) is the same, three. The bearings (44) and the sliding balls (53) are respectively fixed on the main shaft (43), the first secondary shaft (464) and the second secondary shaft (467). The bearings (44) are fixedly connected to the mixing barrel (2).

5. The rapid mixing device for early-strength concrete according to claim 1, characterized in that: The first transmission wheel (463) and the second transmission wheel (466) are of the same size, the diameter of the first transmission wheel (463) is smaller than the diameter of the double-groove rotating wheel (461), and the first transmission wheel (463) and the second transmission wheel (466) are offset from each other.

6. The rapid mixing device for early-strength concrete according to claim 1, characterized in that: The number of the fixing rods (51) and the number of the connecting rods (54) are the same, that is, three. The connecting rods (54) have the same length, and the connecting rods (54) are connected to each other via the fixing blocks (52) to form an equilateral triangle.

7. The rapid mixing device for early-strength concrete according to claim 1, characterized in that: The maximum diameter of the sliding ball (53) is greater than the diameter of the main shaft (43). An oil filling hole and a plurality of oil dispersion holes are provided inside the sliding ball (53). The diameter of the oil filling hole inside the sliding ball (53) is much greater than the diameter of the oil dispersion hole.

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