Secondary stirring device for pile foundation concrete

Abstract

The utility model relates to the technical field of concrete mixing, in particular to a secondary mixing device for pile foundation concrete, which comprises a second mixing box and a first mixing box, and a plurality of damping columns are mounted at the bottom of the second mixing box; a first stirring box is arranged at the upper end of the second stirring box and communicates with the second stirring box, a filtering mechanism capable of filtering and screening stirred materials is arranged on the left side of the upper end of the first stirring box, and the bottom of the filtering mechanism communicates with the first stirring box. According to the stirring device disclosed by the utility model, when large-particle material pebbles are added, the pebbles can be filtered by additionally arranging the filtering mechanism, so that the pebbles which do not meet the requirement and are relatively large in volume are prevented from entering the stirring device, the quality of the materials is controlled, and the large-particle materials are prevented from influencing the final product quality of concrete; and the method has good practical application value.

Description

Technical Field

[0001] This utility model relates to the field of concrete mixing technology, specifically to a secondary mixing device for pile foundation concrete. Background Technology

[0002] Pile foundation concrete refers to the concrete used in pile foundation engineering, mainly for concrete structures used in pile driving or pile columns. In pile foundation engineering, pile foundation concrete plays a crucial role.

[0003] A search revealed a Chinese patent (authorization announcement number CN219505094U) disclosing a concrete mixer with a secondary mixing function, comprising a machine body, a fixed motor, and a mixing rod. A rotating rod is fixed to the bottom of the mixing rod, and a rotating groove is formed on the middle surface of the rotating rod. A bonding block is fitted to the inner wall of the rotating groove, and the other end of the bonding block is fixed to the inner side of the feeding plate. This concrete mixer with a secondary mixing function is equipped with a fixed motor. During the rotation of the output end of the fixed motor, the bottom of the mixing rod drives two sets of rotating rods to rotate via a transmission belt. Simultaneously, the top of the rotating rod drives the fixedly connected auger body to rotate inside the machine body. This facilitates the conveying of partially solidified concrete inside the machine body and secondary mixing with the newly added material, thus making the mixing process of the concrete inside the machine body more convenient.

[0004] The aforementioned patent's technical solution achieves secondary mixing of concrete materials. However, concrete raw materials include cement, sand, and gravel, among which gravel has a relatively large volume. If excessively large gravel is mixed into the raw materials, it can easily cause uneven mixing of the concrete during the mixing process, resulting in a decrease in concrete quality. Therefore, those skilled in the art have provided a secondary mixing device for pile foundation concrete to solve the problems mentioned in the background art. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a secondary mixing device for pile foundation concrete, including a second mixing tank and a first mixing tank, wherein multiple shock-absorbing columns are installed at the bottom of the second mixing tank;

[0006] The first mixing tank is located at the top of the second mixing tank, and the two are connected. A filtration mechanism capable of filtering and screening the mixed materials is located on the upper left side of the first mixing tank, and the bottom of the filtration mechanism is connected to the first mixing tank.

[0007] Preferably, a feed pipe is installed on the upper right side of the first mixing tank, and a discharge pipe is provided on one side wall of the second mixing tank.

[0008] Preferably, a feeding plate is provided on the left side of the first mixing tank, and the upper part of the feeding plate corresponds to the outlet of the filtering mechanism.

[0009] Preferably, the filtration mechanism includes a box body with an open bottom, a feeding pipe at the top, a discharge port on the left side wall, and a groove on the right side wall.

[0010] Preferably, the housing is equipped with a filter, and elastic structures are symmetrically arranged on the front and rear sides of the filter, with the outer ends of the elastic structures fixed to the side walls of the housing.

[0011] Preferably, the filter includes a filter plate, one end of which is provided with a slide plate located in a chute, and the other end of which is provided with a guide plate located in the discharge port.

[0012] Preferably, the outer end of the slide plate extends into a groove, and a rack is installed on its lower side. The rack meshes with an incomplete gear, which is installed on the output shaft of the motor. The motor is mounted and fixed on the outer wall of the housing.

[0013] Preferably, the filter plate is provided with baffles on both the front and rear sides at the upper end, and the sidewalls of the baffles are fixed to the elastic structure.

[0014] Preferably, the elastic structure includes a spring rod, one end of which is fixed to the baffle, and the other end passes through a through hole on the side wall of the box and is fixed to the mounting plate on its outer side, with the mounting plate being fixedly connected to the box.

[0015] The technical effects and advantages of this utility model are as follows:

[0016] When adding large-particle materials such as stones, the mixing device of this utility model can filter the stones by adding a filtration mechanism, preventing unsuitable stones with excessively large volumes from entering the mixing device. This allows for control over the quality of the materials and avoids large particles from affecting the final concrete product quality, thus having great practical application value. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a secondary mixing device for pile foundation concrete provided in an embodiment of this application. Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the structure of a secondary mixing device for pile foundation concrete provided in an embodiment of this application. Figure 2 ;

[0019] Figure 3 This is a front view of a secondary mixing device for pile foundation concrete provided in an embodiment of this application;

[0020] Figure 4This is a schematic diagram of the filtration mechanism in a secondary mixing device for pile foundation concrete provided in an embodiment of this application. Figure 1 ;

[0021] Figure 5 This is a schematic diagram of the filtration mechanism in a secondary mixing device for pile foundation concrete provided in an embodiment of this application. Figure 2 ;

[0022] Figure 6 This is a bottom view of a filtration mechanism in a secondary mixing device for pile foundation concrete provided in an embodiment of this application;

[0023] Figure 7 This is a schematic diagram of the filter structure in a secondary mixing device for pile foundation concrete provided in an embodiment of this application.

[0024] In the picture:

[0025] 1. Second mixing tank; 2. Shock-absorbing column; 3. First mixing tank; 4. Feed pipe 1; 5. Discharge pipe; 6. Filtering mechanism; 7. Feeding plate; 61. Box body; 62. Filter; 63. Elastic structure; 64. Feeding pipe; 65. Discharge port; 66. Slide chute; 621. Filter plate; 622. Slide plate; 623. Guide plate; 624. Rack; 625. Incomplete gear; 626. Motor; 627. Baffle; 631. Spring rod; 632. Mounting plate. Detailed Implementation

[0026] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical applications of the present invention, and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for a particular purpose.

[0027] Example

[0028] Please see Figures 1 to 7 In this embodiment, a secondary mixing device for pile foundation concrete is provided, including a second mixing tank 1 and a first mixing tank 3. Multiple shock-absorbing columns 2 are installed at the bottom of the second mixing tank 1. The shock-absorbing columns 2 can play a role in buffering and reducing noise when the mixing device is in use, thereby reducing vibration.

[0029] A first mixing tank 3 is installed at the upper end of the second mixing tank 1, and the two are connected. After the material in the first mixing tank 3 is mixed, it will enter the second mixing tank 1 for further mixing to ensure that the material is mixed evenly. Therefore, a feed pipe 4 is installed on the upper right side of the first mixing tank 3 to add fine materials such as cement and sand. Large particles of gravel are added to the first mixing tank 3 through the filter mechanism 6 and added after filtration to avoid the material with excessively large particles from entering the mixing device and affecting the quality of concrete.

[0030] A discharge pipe 5 is installed on one side wall of the second mixing tank 1, and the discharge pipe 5 discharges the mixed concrete from the second mixing tank 1.

[0031] A filter mechanism 6 is installed on the upper left side of the first mixing tank 3. The bottom of the filter mechanism 6 is connected to the first mixing tank 3, so that the filtered material can enter the first mixing tank 3 and be filtered. The main purpose of the filter mechanism 6 is to filter the stones and screen out the larger stone particles to avoid affecting the quality of the concrete.

[0032] A feeding plate 7 is provided on the left side of the first mixing tank 3. The upper part of the feeding plate 7 corresponds to the outlet of the filter mechanism 6. The material that is filtered out is discharged from the outlet of the filter mechanism 6 and then conveyed by the feeding plate 7, which facilitates the collection of the filtered material.

[0033] The filter mechanism 6 includes a housing 61 with an open bottom and a feeding pipe 64 at the top. Stone material is added into the housing 61 through the feeding pipe 64. The left side wall of the housing 61 has a discharge port 65 and the right side wall has a chute 66.

[0034] The housing 61 is equipped with a filter 62, which filters and screens stone materials. Elastic structures 63 are symmetrically arranged on the front and back sides of the filter 62. The outer ends of the elastic structures 63 are fixed to the side walls of the housing 61. During filtration, the filter 62 moves back and forth, which in turn acts on the elastic structures 63. The elastic structures 63 can provide power for the back and forth movement of the filter 62 and maintain its screening effect.

[0035] Specifically, the filter 62 includes a filter plate 621, with a slide plate 622 at one end of the filter plate 621. The slide plate 622 is located in the slide groove 66 and the two are slidably connected. When the filter 62 moves back and forth to achieve screening, the slide plate 622 and the slide groove 66 cooperate with each other to provide a limit support function.

[0036] The other end of the filter plate 621 is set as a guide plate 623, which is located inside the discharge port 65. The two are also slidably connected to each other. Large stones slide off the filter plate 621 and are discharged through the guide plate 623.

[0037] Furthermore, a groove 66 extends from the outer end of the slide plate 622, and a rack 624 is installed on its lower side. The rack 624 meshes with an incomplete gear 625, which is mounted on the output shaft of the motor 626. The motor 626 is fixed to the outer wall of the housing 61. After the motor 626 starts, it drives the incomplete gear 625 to rotate. The toothed side of the incomplete gear 625 meshes with the rack 624, causing it to move. This causes the slide plate 622 to move within the groove 66, thereby moving the entire filter 62. During the movement of the filter 62, one side compresses the elastic structure 63, while the other side stretches it. After the teeth of the incomplete gear 625 disengage from the rack 624, the filter 62 will sway back and forth under the action of the elastic force of the elastic structure 63, thus achieving the screening effect.

[0038] The filter plate 621 has baffles 627 on both the front and rear sides of its upper end. The baffles 627 can limit the material added from the feed pipe 64 to prevent it from falling onto the outside of the filter 62. The feed pipe 64 is located at the center between the baffles 627 so that the material can fall directly onto the filter plate 621. The side wall of the baffle 627 is fixed to the elastic structure 63. The elastic structure 63 includes a spring rod 631. One end of the spring rod 631 is fixed to the baffle 627, and the other end passes through the through hole on the side wall of the housing 61 and is fixed to the mounting plate 632 on its outer side. The mounting plate 632 is fixedly connected to the housing 61. When the filter 62 moves, it acts on the spring rod 631. The rebound force of the spring rod 631 acts on the filter 62, causing it to move back and forth, thereby screening.

[0039] When large-particle materials such as stones are added to the mixing device of this utility model, the addition of a filtration mechanism 6 can filter the stones, preventing unsuitable, oversized stones from entering the mixing device. This allows for control over the quality of the materials and avoids large particles affecting the final concrete product quality, thus demonstrating significant practical application value.

[0040] Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of this utility model without creative effort should fall within the protection scope of this utility model. Structures, devices, and operating methods not specifically described and explained in this utility model, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. A secondary mixing device for pile foundation concrete, comprising a second mixing tank (1) and a first mixing tank (3), wherein a plurality of shock-absorbing columns (2) are installed at the bottom of the second mixing tank (1), characterized in that: The upper end of the second mixing tank (1) is provided with the first mixing tank (3), and the two are connected. The upper left side of the first mixing tank (3) is provided with a filter mechanism (6) that can filter and screen the mixed materials. The bottom of the filter mechanism (6) is connected to the first mixing tank (3).

2. The secondary mixing device for pile foundation concrete according to claim 1, characterized in that, A feed pipe (4) is installed on the upper right side of the first mixing tank (3), and a discharge pipe (5) is provided on one side wall of the second mixing tank (1).

3. A secondary mixing device for pile foundation concrete according to claim 2, characterized in that, A feeding plate (7) is provided on the left side of the first mixing tank (3), and the upper part of the feeding plate (7) corresponds to the outlet of the filter mechanism (6).

4. A secondary mixing device for pile foundation concrete according to claim 1, characterized in that, The filtration mechanism (6) includes a box (61), the bottom of which is open, a feeding pipe (64) is provided on the top of the box (61), a discharge port (65) is provided on the left side wall of the box (61), and a chute (66) is provided on its right side wall.

5. A secondary mixing device for pile foundation concrete according to claim 4, characterized in that, The housing (61) is equipped with a filter (62), and elastic structures (63) are symmetrically arranged on the front and rear sides of the filter (62). The outer ends of the elastic structures (63) are fixed to the side walls of the housing (61).

6. A secondary mixing device for pile foundation concrete according to claim 5, characterized in that, The filter (62) includes a filter plate (621), a slide plate (622) is provided at one end of the filter plate (621), the slide plate (622) is located in the slide groove (66), and the other end of the filter plate (621) is provided as a guide plate (623), the guide plate (623) is located in the discharge port (65).

7. A secondary mixing device for pile foundation concrete according to claim 6, characterized in that, The outer end of the slide plate (622) extends into a groove (66), and a rack (624) is installed on its lower side. The rack (624) meshes with an incomplete gear (625), which is mounted on the output shaft of the motor (626). The motor (626) is mounted and fixed on the outer wall of the housing (61).

8. A secondary mixing device for pile foundation concrete according to claim 6, characterized in that, The filter plate (621) has baffles (627) on both the front and rear sides at the upper end, and the sidewalls of the baffles (627) are fixed to the elastic structure (63).

9. A secondary mixing device for pile foundation concrete according to claim 8, characterized in that, The elastic structure (63) includes a spring rod (631), one end of which is fixed to the baffle (627), and the other end passes through a through hole on the side wall of the box (61) and is fixed to the mounting plate (632) on its outer side. The mounting plate (632) is fixedly connected to the box (61).

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