Concrete stirring device for highway construction

Abstract

The utility model provides a concrete stirring device for highway construction, which relates to the technical field of construction devices and comprises a base, an outer cylinder, a stirring component and a pumping mechanism. According to the concrete stirring device for highway construction, a second motor is started to drive a flow guide cover to do reciprocating linear movement along the bottom of an outer cylinder, when the flow guide cover moves towards one side of a stirring shaft, part of concrete at the position of an upper cavity can be pushed to the position of the stirring shaft to be mixed, and meanwhile, the concrete in the outer cylinder can flow; when the flow guide cover moves towards one side far away from the stirring shaft, a part of the concrete at the position of the bottom cavity is pushed out, and the part of the concrete bypasses the cambered surface edge of the downward concave part and moves leftwards to the position of the stirring shaft to be mixed; and the flow guide cover slides in the outer cylinder in a reciprocating manner, so that the concrete can be uniformly mixed, and the strength and durability of the concrete are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of construction devices, in particular to a concrete mixing device for highway construction. Background Art

[0002] The concrete mixer in highway construction is a device specially used for producing and mixing concrete. The main purpose of the concrete mixer is to mix raw materials such as cement, sand, stone and water to form a uniform concrete slurry. The uniformity of concrete directly affects the strength, durability and working performance of concrete. The uniformly mixed concrete can ensure that the various components such as cement, sand, aggregate and water are fully dispersed and combined during the mixing process, avoiding component stratification or excessive gaps, thereby improving the density and strength of the concrete.

[0003] During the concrete mixing process, some concrete will sink to the bottom. The concrete that sinks to the bottom is not easily stirred by the mixing shaft, resulting in the concrete not being evenly mixed. Uneven concrete will directly affect the strength and durability of the concrete. Utility Model Content

[0004] The utility model provides a highway construction concrete mixing device, which solves the problem in the background technology that during the concrete mixing process, part of the concrete will sink to the bottom, and the concrete that sinks to the bottom is not easily stirred by the stirring shaft, resulting in the concrete not being able to be evenly mixed.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a highway construction concrete mixing device, comprising a base, an outer cylinder, a mixing assembly and a pumping mechanism, the base comprising a bottom plate and a vertical plate, a plurality of vertical plates are arranged on one side of the bottom plate, the outer cylinder is arranged through the interior of the plurality of vertical plates, one end of the outer cylinder is detachably fixedly connected with a sealing cover, one side of the sealing cover is provided with a feeding hopper, the mixing assembly is arranged through the sealing cover, the other end of the outer cylinder is provided with a pumping mechanism, the pumping mechanism comprises a sliding shaft, a guide cover and a driving assembly, the sliding shaft is slidably connected to the interior of the outer cylinder, the guide cover is fixedly connected to one end of the sliding shaft, the driving assembly is arranged at the other end of the sliding shaft, the driving assembly comprises a second motor, a rotating rod and a connecting rod, the second motor is fixedly connected to the upper surface of the bottom plate, the rotating rod is fixedly connected to the output end of the second motor, the connecting rod is rotatably connected to the free end of the rotating rod, and the other end of the connecting rod is rotatably connected to the sliding shaft.

[0006] Preferably, the guide cover comprises a protrusion and a concave portion, the protrusion is fixed on the sliding shaft, and the circumferential side of the protrusion is fixedly connected with the concave portion.

[0007] Preferably, a bottom cavity is provided at the right end of the protruding portion, and the opening of the bottom cavity faces rightward.

[0008] Preferably, an upper cavity is formed between the left end of the lower recess and the raised portion, and the opening of the upper cavity faces leftward.

[0009] Preferably, the size of the lower recess is smaller than the inner size of the outer cylinder.

[0010] Preferably, the right end edge of the lower recess is a curved surface.

[0011] Preferably, a plurality of through holes are formed on the bottom surface of the lower recess.

[0012] Preferably, the stirring assembly includes a motor 1 and a stirring shaft, the motor 1 is fixed on the sealing cover, and the stirring shaft is fixedly connected to the output shaft of the motor 1.

[0013] Preferably, a guide slope is provided at the bottom of the feeding hopper, and the guide slope is arc-shaped.

[0014] Preferably, a discharge pipe is provided at the bottom of the outer cylinder, and a valve is provided on the side wall of the discharge pipe.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The outer cylinder is fixed horizontally on the base. The concrete raw materials to be mixed can be added into the outer cylinder through the feed hopper. An arc-shaped diversion slope is set at the bottom of the feed hopper to prevent the concrete raw materials from being left and accumulated at the bottom of the feed hopper. By controlling the opening and closing of the valve, the mixed concrete can be controlled to be discharged from the discharge pipe, and an external pipeline can be connected to the discharge pipe.

[0017] 2. The starting motor can drive the stirring shaft to rotate at a high speed to stir the concrete in the outer cylinder. The starting motor 2 can drive the connecting rod structure formed by the rotating rod and the connecting rod to move, and then drive the sliding shaft to move back and forth linearly along the bottom of the outer cylinder. The guide cover moves back and forth linearly with the sliding shaft. When the guide cover moves to one side of the stirring shaft, a part of the concrete in the upper cavity position will be pushed to the position of the stirring shaft for mixing. At the same time, the concrete in the outer cylinder will flow, and the rest of the concrete will move to the right, bypass the arc edge of the lower concave part, and re-enter the upper cavity through the through hole. When the guide cover moves to the side away from the stirring shaft, a part of the concrete in the bottom cavity position will be pushed out. This part of the concrete bypasses the arc edge of the lower concave part and moves to the left to the position of the stirring shaft for mixing. By making the guide cover slide back and forth inside the outer cylinder, the concrete can be evenly mixed to ensure the strength and durability of the concrete. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1This is a schematic diagram of the structure of a highway construction concrete mixing device of the utility model;

[0019] Figure 2 It is a side view of the highway construction concrete mixing device of the utility model;

[0020] Figure 3 for Figure 2 A magnified image of point A;

[0021] Figure 4 This is an internal cross-sectional view of the outer cylinder of the utility model;

[0022] Figure 5 This is a schematic diagram of the diversion slope structure of the utility model;

[0023] Figure 6 It is a schematic diagram of the structure of the sliding shaft and the guide cover matching each other in the utility model;

[0024] Figure 7 It is a cross-sectional view of the guide cover of the utility model.

[0025] Numbers in the figure: 1. base; 11. bottom plate; 12. vertical plate; 2. outer cylinder; 21. sealing cover; 22. feed hopper; 221. guide slope; 3. stirring assembly; 31. motor one; 32. stirring shaft; 4. pumping mechanism; 41. sliding shaft; 42. guide cover; 421. raised portion; 4211. bottom cavity; 422. recessed portion; 4221. upper cavity; 4222. through hole; 43. drive assembly; 431. motor two; 432. rotating rod; 433. connecting rod; 5. discharge pipe; 51. valve. DETAILED DESCRIPTION

[0026] 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.

[0027] The utility model provides a highway construction concrete mixing device, such as Figure 1 and Figure 2As shown, the mixing device comprises a base 1, an outer cylinder 2, a stirring assembly 3 and a pumping mechanism 4. The base 1 comprises a bottom plate 11 and a vertical plate 12. A plurality of vertical plates 12 are arranged on one side of the bottom plate 11. The outer cylinder 2 is arranged inside the plurality of vertical plates 12. A sealing cover 21 is detachably fixedly connected to one end of the outer cylinder 2. A feed hopper 22 is arranged on one side of the sealing cover 21. A guide slope 221 is arranged at the bottom of the feed hopper 22. The guide slope 221 is arc-shaped. A discharge pipe 5 is arranged at the bottom of the outer cylinder 2. A valve 51 is arranged on the side wall of the discharge pipe 5. The outer cylinder 2 is fixed horizontally on the base 1. Concrete raw materials to be mixed can be added to the outer cylinder 2 through the feed hopper 22. An arc-shaped guide slope 221 is arranged at the bottom of the feed hopper 22 to prevent the concrete raw materials from being left and accumulated at the bottom of the feed hopper 22. By controlling the opening and closing of the valve 51, the uniformly mixed concrete can be controlled to be discharged from the discharge pipe 5. An external pipeline can be connected to the discharge pipe 5.

[0028] like Figure 4 and Figure 5 As shown, the stirring assembly 3 is disposed on the sealing cover 21, and the stirring assembly 3 includes a motor 31 and a stirring shaft 32. The motor 31 is fixed on the sealing cover 21, and the stirring shaft 32 is fixedly connected to the output shaft of the motor 31. Starting the motor can drive the stirring shaft 32 to rotate at a high speed to stir the concrete in the outer cylinder 2.

[0029] like Figure 2 and Figure 3 As shown, the other end of the outer cylinder 2 is provided with a pumping mechanism 4, which includes a sliding shaft 41, a flow guide cover 42 and a driving assembly 43. The sliding shaft 41 is slidably connected to the inside of the outer cylinder 2, the flow guide cover 42 is fixedly connected to one end of the sliding shaft 41, and the driving assembly 43 is arranged at the other end of the sliding shaft 41. The flow guide cover 42 can be controlled by the driving assembly 43 to slide back and forth inside the outer cylinder 2, so that the concrete in the outer cylinder 2 is continuously pushed toward the mixing shaft 32.

[0030] like Figure 6 and Figure 7As shown, the guide cover 42 includes a protrusion 421 and a recessed portion 422, the protrusion 421 is fixed on the sliding shaft 41, the circumferential side of the protrusion 421 is fixedly connected with the recessed portion 422, the size of the recessed portion 422 is smaller than the internal size of the outer tube 2, a bottom cavity 4211 is provided at the right end of the protrusion 421, the opening of the bottom cavity 4211 faces right, an upper cavity 4221 is formed between the left end of the recessed portion 422 and the protrusion 421, the opening of the upper cavity 4221 faces left, the right end edge of the recessed portion 422 is an arc surface, and a plurality of through holes 4222 are provided on the bottom surface of the recessed portion 422. The guide cover 42 moves back and forth linearly along with the sliding shaft 41. When the guide cover 42 moves toward the stirring shaft 32, a part of the concrete at the position of the upper chamber 4221 will be pushed to the position of the stirring shaft 32 for mixing. At the same time, the concrete in the outer cylinder 2 will flow, and the remaining part of the concrete will move to the right, bypass the curved edge of the lower recess 422, pass through the through hole 4222 and re-enter the upper chamber 4221. When the guide cover 42 moves away from the stirring shaft 32, a part of the concrete at the position of the bottom chamber 4211 will be pushed out. This part of the concrete bypasses the curved edge of the lower recess 422 and moves to the left to the position of the stirring shaft 32 for mixing.

[0031] like Figure 2 and Figure 3 As shown, the driving assembly 43 includes a second motor 431, a rotating rod 432 and a connecting rod 433. The second motor 431 is fixedly connected to the upper surface of the bottom plate 11, the rotating rod 432 is fixedly connected to the output end of the second motor 431, the connecting rod 433 is rotatably connected to the free end of the rotating rod 432, and the other end of the connecting rod 433 is rotatably connected to the sliding shaft 41. Starting the second motor 431 can drive the connecting rod structure formed by the rotating rod 432 and the connecting rod 433 to move, thereby driving the sliding shaft 41 to reciprocate and linearly move along the bottom of the outer cylinder 2.

[0032] Adopting the utility model, such as Figure 1 and Figure 2As shown, the outer cylinder 2 is horizontally fixed on the base 1, and the concrete raw materials to be mixed can be added to the outer cylinder 2 through the feed hopper 22. The bottom of the feed hopper 22 is provided with an arc-shaped guide slope 221, which can prevent the concrete raw materials from being left and accumulated at the bottom of the feed hopper 22. By controlling the opening and closing of the valve 51, the uniformly mixed concrete can be controlled to be discharged from the discharge pipe 5. An external pipeline can be connected to the discharge pipe 5. The starting motor can drive the stirring shaft 32 to rotate at a high speed to stir the concrete in the outer cylinder 2. The starting motor 431 can drive the connecting rod structure formed by the rotating rod 432 and the connecting rod 433 to move, and then drive the sliding shaft 41 to move back and forth along the bottom of the outer cylinder 2. The guide cover 42 moves back and forth along the sliding shaft 41. When the guide cover 42 moves toward the stirring shaft 32, a part of the concrete at the position of the upper chamber 4221 will be pushed to the position of the stirring shaft 32 for mixing. At the same time, the concrete in the outer cylinder 2 will flow, and the remaining part of the concrete will move to the right, bypass the arc edge of the lower recess 422, pass through the through hole 4222 and re-enter the upper chamber 4221. When the guide cover 42 moves away from the stirring shaft 32, a part of the concrete at the position of the bottom chamber 4211 will be pushed out. This part of the concrete bypasses the arc edge of the lower recess 422 and moves to the left to the position of the stirring shaft 32 for mixing. By making the guide cover 42 slide back and forth inside the outer cylinder 2, the concrete can be evenly mixed to ensure the strength and durability of the concrete.

[0033] Although the implementation scheme of the utility model has been disclosed as above, it is not limited to the applications listed in the specification and implementation modes. It can be fully applied to various fields suitable for the utility model. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the utility model is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A concrete mixing device for highway construction, characterized in that: The invention comprises a base (1), an outer cylinder (2), a stirring assembly (3) and a pumping mechanism (4), wherein the base (1) comprises a bottom plate (11) and a vertical plate (12), a plurality of vertical plates (12) are arranged on one side of the bottom plate (11), the outer cylinder (2) is arranged through the interior of the plurality of vertical plates (12), one end of the outer cylinder (2) is detachably fixedly connected with a sealing cover (21), a side of the sealing cover (21) is arranged with a feed hopper (22), the stirring assembly (3) is arranged through the sealing cover (21), the other end of the outer cylinder (2) is arranged with a pumping mechanism (4), the pumping mechanism (4) comprises a sliding shaft (41), a guide cover (42) and a driving assembly (43). ), the sliding shaft (41) is slidably connected to the inside of the outer cylinder (2), the guide cover (42) is fixedly connected to one end of the sliding shaft (41), the driving component (43) is arranged at the other end of the sliding shaft (41), and the driving component (43) includes a second motor (431), a rotating rod (432) and a connecting rod (433), the second motor (431) is fixedly connected to the upper surface of the bottom plate (11), the rotating rod (432) is fixedly connected to the output end of the second motor (431), the connecting rod (433) is rotatably connected to the free end of the rotating rod (432), and the other end of the connecting rod (433) is rotatably connected to the sliding shaft (41).

2. A highway construction concrete mixing device according to claim 1, characterized in that: The guide cover (42) comprises a protruding portion (421) and a concave portion (422); the protruding portion (421) is fixed on the sliding shaft (41); and the concave portion (422) is fixedly connected to the circumferential side of the protruding portion (421).

3. A highway construction concrete mixing device according to claim 2, characterized in that: A bottom cavity (4211) is provided at the right end of the protruding portion (421), and the opening of the bottom cavity (4211) faces rightward.

4. A highway construction concrete mixing device according to claim 3, characterized in that: An upper cavity (4221) is formed between the left end of the lower concave portion (422) and the convex portion (421), and the opening of the upper cavity (4221) faces leftward.

5. A highway construction concrete mixing device according to claim 4, characterized in that: The size of the lower recess (422) is smaller than the inner size of the outer cylinder (2).

6. A highway construction concrete mixing device according to claim 5, characterized in that: The right end edge of the lower concave portion (422) is a curved surface.

7. A highway construction concrete mixing device according to claim 6, characterized in that: A plurality of through holes (4222) are provided on the bottom surface of the lower recess (422).

8. A highway construction concrete mixing device according to claim 1, characterized in that: The stirring assembly (3) comprises a motor (31) and a stirring shaft (32); the motor (31) is fixed on the sealing cover (21); and the stirring shaft (32) is fixedly connected to the output shaft of the motor (31).

9. A highway construction concrete mixing device according to claim 1, characterized in that: A guide slope (221) is provided at the bottom of the feed hopper (22), and the guide slope (221) is arc-shaped.

10. A highway construction concrete mixing device according to claim 1, characterized in that: A discharge pipe (5) is provided at the bottom of the outer cylinder (2), and a valve (51) is provided on the side wall of the discharge pipe (5).

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