Concrete stirring device for highway construction and using method thereof

Abstract

The invention discloses a concrete stirring device for highway construction and a use method thereof, belongs to the field of concrete stirring devices, and can solve the problems that in the background technology, in the long-term operation process of a stirring head, concrete continuously generates resistance to stirring blades, and in the long-term use process, the joints of the stirring blades and a main shaft are prone to breakage, so that the service life of the stirring blades is prolonged. And the repairing process is tedious. And the problem that the angle of the conventional stirring blade is fixed, so that the conventional stirring blade cannot better adapt to stirring of materials with different viscosities can be solved. The method comprises the following steps: electrifying a driving motor to drive a stirring paddle to stir materials through a rotating shaft; a screw rod is rotated to drive a pressing plate to move upwards, a stirring paddle is pulled to drive a semicircular fixing block to be separated from a fixing sleeve, and the stirring paddle is replaced; the nut is rotated to drive the guide column to move downwards through the moving plate; the guide column moves to drive the rotating wheel through the rack to adjust the angle of the stirring paddle.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of concrete mixing devices, in particular to a concrete mixing device for highway construction and a use method thereof. BACKGROUND

[0002] The concrete mixer is a machine for mixing and stirring cement, sand and gravel aggregate and water into concrete mixture. The stirring head in the concrete mixer plays a stirring role on the concrete. The stirring head in the prior art includes a main shaft and stirring blades. The stirring blades are evenly distributed along the circumference of the main shaft. There is a certain inclination angle between adjacent stirring blades. The stirring blades are welded on the main shaft. For the related technology in the above, in the process of long-term operation of the stirring head, the concrete continuously generates resistance to the stirring blades, and the welding part of the stirring blades and the main shaft is continuously stressed. In the long-term use process, the connection part of the stirring blades and the main shaft is prone to breakage, thereby causing damage to the stirring head. If the stirring head is to be repaired, new stirring blades need to be re-welded on the main shaft. The repair process is relatively cumbersome, and the user needs to be skilled in welding technology, which has high requirements for the repairer.

[0003] At the same time, the concrete material includes low-viscosity material and high-viscosity material. The angle of the stirring blades also has an influence on the stirring of the concrete material. The angle of the existing stirring blades is fixed and cannot better adapt to the stirring of materials with different viscosities. SUMMARY

[0004] The purpose of the present application is to solve the above-mentioned problems existing in the prior art and provide a concrete mixing device for highway construction and a use method thereof.

[0005] To achieve the above-mentioned purpose, the present application adopts the following technical solutions: A concrete mixing device for highway construction, comprising: a stirring box assembly, a rotating shaft assembly, an adjusting device and a stirring unit, the stirring box assembly is rotatably connected with the rotating shaft assembly, the adjusting device is fixedly connected with the rotating shaft assembly, the adjusting device is provided in plurality, the stirring unit is detachably fixedly connected with the adjusting device, and the stirring unit is provided in plurality.

[0006] The stirring box assembly comprises: a box body and a driving motor, and the box body is fixed with the driving motor on one side.

[0007] The rotating shaft assembly comprises a rotating shaft, a moving plate, guide columns, nuts, springs and a fixed plate, one end of the rotating shaft is rotatably connected with one inner side of the box body, the other end of the rotating shaft is rotatably penetrated through the other side of the box body and is fixedly connected with the output shaft of the driving motor, the moving plate is slidably connected on the rotating shaft, four guide columns are fixedly arranged in a rectangular array at the lower end of the rotating shaft, the upper end of the rotating shaft is provided with external threads, the nut is screw-connected with the upper end of the rotating shaft, the spring is sleeved on the rotating shaft, and the fixed plate is fixedly arranged at the lower end of the rotating shaft, and the four guide columns are slidably penetrated through the fixed plate.

[0008] A gear rack is arranged on each of the four guide columns along the length direction thereof.

[0009] Each of the adjusting devices comprises a rotating box, a cavity and a fixing unit, the rotating shaft is fixedly penetrated through the rotating box, the cavity is arranged in the rotating box, four fixing units are rotatably arranged in an array in the rotating box, each of the fixing units is engaged with one gear rack, the four guide columns are slidably penetrated through the rotating box, and the spring is arranged between the top surface of the rotating box at the uppermost end and the moving plate.

[0010] Each of the fixing units comprises a rotating wheel, a tooth, a rotating disc, a fixing sleeve, a screw rod and a pressing plate, a sliding sleeve is arranged on the inner top surface and the inner bottom surface of the cavity, the guide column is slidably penetrated through the sliding sleeve, the rotating wheel is rotatably arranged on the two opposite inner side walls of the cavity, the tooth is continuously arranged on the circumferential surface of the rotating wheel, the tooth is engaged with the gear rack, the rotating shaft of one side of the rotating wheel is rotatably penetrated through the outer side of the rotating box and is fixedly provided with the rotating disc, the rotating disc is fixedly provided with the fixing sleeve, the screw rod is screw-penetrated into the fixing sleeve, the screw rod is rotatably connected with the pressing plate through a bearing at the lower end of the screw rod, the pressing plate is slidably connected with the two inner sides of the fixing sleeve, and the lower end of the pressing plate is provided with a positioning column.

[0011] The upper end of the fixing sleeve is rectangular and the lower end is semicircular.

[0012] Each of the stirring units comprises a semicircular fixed block and a stirring paddle, the upper end of the semicircular fixed block is provided with a positioning hole, the side surface of the semicircular fixed block is fixedly provided with the stirring paddle, the semicircular fixed block is slidably inserted into the fixing sleeve, the pressing plate abuts against the top surface of the semicircular fixed block, and the positioning column is inserted into the positioning hole.

[0013] A use method of the concrete stirring device for highway construction, the method comprises the following steps: S1: the driving motor is powered on to drive the stirring paddle to stir the material through the rotating shaft; S2: the screw rod is rotated to drive the pressing plate to move upward, the stirring paddle is pulled to drive the semicircular fixed block to separate from the fixing sleeve, and the stirring paddle is replaced; S3: the nut is rotated to drive the guide column to move downward through the moving plate; S4: the guide column moves through the rack to drive the rotating wheel to realize the adjustment of the stirring paddle angle.

[0014] Compared with the prior art, the present application has the following advantages: The present application provides a concrete mixing device for highway construction, which can solve the problem that the stirring blade and the main shaft are prone to breaking at the connection due to the continuous resistance of the concrete to the stirring blade during the long-term operation of the stirring head, thereby causing damage to the stirring head, and the repair process is complicated and requires the user to have skilled welding technology and high repair requirements.

[0015] It can also solve the problem that the angle of the stirring blade has an impact on the mixing of concrete materials, including low-viscosity materials and high-viscosity materials, and the existing stirring blade angle is fixed and cannot better adapt to the mixing of materials with different viscosities. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a top view of the overall structure; Figure 2 is a schematic view of the rotating shaft assembly structure; Figure 3 is a top view of the guide column; Figure 4 is a schematic view of the adjusting device structure; Figure 5 is a top view of the adjusting device; Figure 6 is a front view of the fixing sleeve; Figure 7 is a schematic view of the stirring unit structure; Figure 8 is a cross-sectional view of the semicircular fixing block. DETAILED DESCRIPTION

[0017] The technical solutions in the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0018] The utility model provides a concrete mixing device for highway construction, including: mixing box assembly 1, rotating shaft assembly 2, adjusting device 3 and mixing unit 4, mixing box assembly 1 is connected with rotating shaft assembly 2 rotation, adjusting device 3 is fixedly connected with rotating shaft assembly 2, adjusting device 3 is set up as multiple, mixing unit 4 is detachably fixedly connected with adjusting device 3, and mixing unit 4 is set up as multiple.

[0019] Mixing box assembly 1 includes: box 1-1 and drive motor 1-2, and the one side of box 1-1 is fixed with drive motor 1-2.

[0020] Rotating shaft assembly 2 includes: rotating shaft 2-1, moving plate 2-2, guide pillar 2-3, nut 2-4, spring 2-5 and fixed plate 2-6, one end of rotating shaft 2-1 is rotationally connected with one inside surface of box 1-1, the other end of rotating shaft 2-1 rotationally penetrates the other side surface of box 1-1 and is fixedly connected with the output shaft of drive motor 1-2, moving plate 2-2 is slidably connected on rotating shaft 2-1, four guide pillars 2-3 are fixed in rectangular array on the lower end of guide pillar 2-3, external thread is arranged on the upper end of rotating shaft 2-1, nut 2-4 is screw-connected with the upper end of rotating shaft 2-1, spring 2-5 is sleeved on rotating shaft 2-1, fixed plate 2-6 is fixed on the lower end of rotating shaft 2-1, and four guide pillars 2-3 slide through fixed plate 2-6.

[0021] Four guide pillars 2-3 are provided with rack 2-3-1 along the length direction thereof.

[0022] Four adjusting devices 3 each include: rotating box 3-1, cavity 3-2 and fixed unit 3-3, rotating shaft 2-1 is fixedly penetrated through rotating box 3-1, cavity 3-2 is arranged in the inside of rotating box 3-1, four fixed units 3-3 are rotationally connected in array in the inside of rotating box 3-1, each fixed unit 3-3 is engaged with one rack 2-3-1 respectively, four guide pillars 2-3 all slide through rotating box 3-1, and spring 2-5 is arranged between the top surface of the uppermost rotating box 3-1 and moving plate 2-2.

[0023] Four fixed units 3-3 all include rotating wheels 3-3-1, teeth 3-3-2, rotating discs 3-3-3, fixed sleeves 3-3-4, screw rods 3-3-5 and pressing plates 3-3-6, the top and bottom inner surfaces of the cavity 3-2 are provided with sliding sleeves, the guide column 2-3 slides through the sliding sleeves, the rotating wheels 3-3-1 are rotationally connected to the two opposite inner side walls of the cavity 3-2, the teeth 3-3-2 are continuously arranged on the side surface of the rotating wheel 3-3-1, the teeth 3-3-2 are engaged with the rack 2-3-1, the rotating shaft of one side of the rotating wheel 3-3-1 rotates out of the outer side surface of the rotating box 3-1 and is fixed with the rotating disc 3-3-3, the rotating disc 3-3-3 is fixed with the fixed sleeve 3-3-4, the lower end of the screw rod 3-3-5 is screwed into the fixed sleeve 3-3-4, the lower end of the screw rod 3-3-5 is rotationally connected with the pressing plate 3-3-6 through a bearing, the pressing plate 3-3-6 is slidingly connected with the two inner surfaces of the fixed sleeve 3-3-4, and the lower end of the pressing plate 3-3-6 is provided with a positioning column.

[0024] The upper end of the fixed sleeve 3-3-4 is rectangular and the lower end is semicircular.

[0025] A plurality of stirring units 4 all include semicircular fixed blocks 4-1 and stirring paddles 4-2, the upper end of the semicircular fixed block 4-1 is provided with a positioning hole, the side surface of the semicircular fixed block 4-1 is fixed with the stirring paddle 4-2, the semicircular fixed block 4-1 is slidingly inserted into the fixed sleeve 3-3-4, the pressing plate 3-3-6 abuts against the top surface of the semicircular fixed block 4-1, and the positioning column is inserted into the positioning hole.

[0026] Further, the driving motor 1-2 is of Y180M-4 type, which is a prior art and is purchased and will not be described in detail.

[0027] Further, the spring 2-5 is a spiral spring, which is a prior art and is purchased and will not be described in detail.

[0028] A use method of the concrete stirring device for highway construction, the method comprises the following steps: S1: the driving motor 1-2 is electrified to drive the stirring paddle 4-2 to stir the material through the rotating shaft 2-1; S2: rotating the screw rod 3-3-5 to drive the pressing plate 3-3-6 to move upward, pull the stirring paddle 4-2 to drive the semicircular fixed block 4-1 to separate from the fixed sleeve 3-3-4, and replace the stirring paddle 4-2; S3: rotating the nut 2-4 to drive the guide column 2-3 to move downward through the moving plate 2-2; S4: the guide column 2-3 moves through the rack 2-3-1 to drive the rotating wheel 3-3-1 to adjust the angle of the stirring paddle 4-2.

[0029] The working principle of the present application is: The device is connected with external power supply during operation, for driving motor 1-2 power supply, when using the material into the box 1-1, the driving motor 1-2 power on, through rotating shaft 2-1 drive paddle 4-2 on the material stirring, when the paddle 4-2 damage, rotating screw 3-3-5 through the fixed sleeve 3-3-4 side wall limit, drive the pressing plate 3-3-6 to move up, with semicircle fixed block 4-1 separation, at this time pull the paddle 4-2 drive semicircle fixed block 4-1 and fixed sleeve 3-3-4 separation, then reverse operation above steps will install new stirring unit 4, through the above way can solve the repair stirring head, then need to weld new stirring blade on the spindle, repair process is more complicated, and need to use the skilled welding technology, the requirements of the repairer is higher. The positioning column and positioning hole setting can prevent the semicircle fixed block 4-1 slip; Rotating nut 2-4 along the rotating shaft 2-1 moves down, and then moves the guide column 2-3 down through the moving plate 2-2, the guide column 2-3 moves through the rack 2-3-1 to drive the meshing gear 3-3-2 to drive the rotating wheel 3-3-1, the rotating wheel 3-3-1 rotates to drive the rotating disc 3-3-3 and the fixed sleeve 3-3-4 to rotate, the fixed sleeve 3-3-4 rotates to drive the paddle 4-2 to rotate, and then the angle of the paddle 4-2 can be adjusted, the moving plate 2-2 moves to compress the spring 2-5 in cooperation with the rotating box 3-1, and the counterforce of the spring 2-5 can limit the moving plate 2-2, so that the moving plate 2-2 is prevented from moving again during operation, or a nut can be arranged at the lower end of the moving plate 2-2 to replace the spring 2-5, the moving plate 2-2 is limited by the two nuts above and below the moving plate 2-2, and the fixed plate 2-6 supports and limits the guide column 2-3; the paddle 4-2 has an angle of 30°-35°, which is suitable for low viscosity material (such as thin mortar) to flow in the axial direction; the paddle 4-2 has an angle of 40°-45°, which can enhance the shear force and mixing uniformity to stir high viscosity material (such as dry hard concrete). Through the above manner, the problem that the angle of the paddle is fixed and cannot better adapt to the stirring of materials with different viscosities can be solved. It is apparent to those skilled in the art that the application is not limited to the details of the foregoing exemplary embodiments, and that the present application can be implemented in other forms without departing from the spirit or essential characteristics of the present application. The presently disclosed embodiments are therefore considered in all respects to be illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalents are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the scope of the claims.

[0030] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.

Claims

1. A concrete mixing device for road construction, characterized by: The utility model relates to a stirring box assembly (1), rotating shaft assembly (2), adjusting device (3) and stirring unit (4), stirring box assembly (1) with rotating shaft assembly (2) rotation is connected, adjusting device (3) with rotating shaft assembly (2) fixed connection, adjusting device (3) is set to multiple, stirring unit (4) with adjusting device (3) can be detachably fixed connection, stirring unit (4) is set to multiple. Stirring box assembly (1) includes: box (1-1) and drive motor (1-2), one side of box (1-1) is fixed with drive motor (1-2).

2. The concrete mixing device for road construction according to claim 1, characterized in that: Rotating shaft assembly (2) includes: rotating shaft (2-1), moving plate (2-2), guide pillar (2-3), nut (2-4), spring (2-5) and fixed plate (2-6), one end of rotating shaft (2-1) is rotatably connected with one inner side of box (1-1), the other end of rotating shaft (2-1) is rotatably connected with the other side of box (1-1), and is fixedly connected with the output shaft of drive motor (1-2), moving plate (2-2) is slidably connected on rotating shaft (2-1), four guide pillars (2-3) are fixedly arranged in the lower end of guide pillar (2-3), the upper end of rotating shaft (2-1) is provided with external thread, the upper end of rotating shaft (2-1) is screw-connected with nut (2-4), spring (2-5) is sleeved on rotating shaft (2-1), fixed plate (2-6) is fixedly connected with the lower end of rotating shaft (2-1), four guide pillars (2-3) are slidably connected with fixed plate (2-6).

3. The concrete mixing device for road construction according to claim 2, characterized in that: Four guide pillars (2-3) are provided with rack (2-3-1) along the length direction.

4. The concrete mixing device for road construction according to claim 3, characterized in that: Multiple adjusting devices (3) include: rotating box (3-1), cavity (3-2) and fixed unit (3-3), rotating shaft (2-1) is fixedly connected with rotating box (3-1), rotating box (3-1) is provided with cavity (3-2) inside, four fixed units (3-3) are rotatably connected with rotating box (3-1) inside, each fixed unit (3-3) is respectively engaged with one rack (2-3-1), four guide pillars (2-3) are slidably connected with rotating box (3-1), spring (2-5) is arranged between the top surface of the uppermost rotating box (3-1) and moving plate (2-2).

5. The concrete mixing device for road construction according to claim 4, characterized in that: ​ 6. The concrete mixing device for road construction according to claim 5, characterized in that: Four fixed units (3-3) each include a rotating wheel (3-3-1), a tooth (3-3-2), a rotating disc (3-3-3), a fixed sleeve (3-3-4), a screw rod (3-3-5) and a pressing plate (3-3-6), the inner top surface and the inner bottom surface of the cavity (3-2) are each provided with a sliding sleeve, the guide column (2-3) slides through the sliding sleeve, the cavity (3-2) is rotatably connected with the rotating wheel (3-3-1) on the two opposite inner side walls, the rotating wheel (3-3-1) is continuously provided with the tooth (3-3-2) on the side surface, the tooth (3-3-2) is engaged with the rack (2-3-1), the rotating shaft of the rotating wheel (3-3-1) on one side rotates out of the outer side surface of the rotating box (3-1) and is fixed with the rotating disc (3-3-3), the rotating disc (3-3-3) is fixed with the fixed sleeve (3-3-4), the lower end of the screw rod (3-3-5) is screwed into the fixed sleeve (3-3-4), the lower end of the screw rod (3-3-5) is rotatably connected with the pressing plate (3-3-6) through a bearing, the pressing plate (3-3-6) is slidably connected with the two inner side surfaces of the fixed sleeve (3-3-4), and the lower end of the pressing plate (3-3-6) is provided with a positioning column.

7. The concrete mixing device for road construction according to claim 6, characterized in that: The upper end of the fixed sleeve (3-3-4) is rectangular and the lower end is semicircular.

8. The concrete mixing device for road construction according to claim 6, characterized in that: A plurality of stirring units (4) each include a semicircular fixed block (4-1) and a stirring paddle (4-2), the upper end of the semicircular fixed block (4-1) is provided with a positioning hole, the side surface of the semicircular fixed block (4-1) is fixed with the stirring paddle (4-2), the semicircular fixed block (4-1) is slidably inserted into the fixed sleeve (3-3-4), the pressing plate (3-3-6) abuts against the top surface of the semicircular fixed block (4-1), and the positioning column is inserted into the positioning hole.

9. A method of using a highway construction concrete mixing plant according to claim 8, characterized in that: The method comprises the following steps: S1: energize the driving motor (1-2) to drive the stirring paddle (4-2) through the rotating shaft (2-1) to stir the material; S2: rotate the screw rod (3-3-5) to drive the pressing plate (3-3-6) to move upward, pull the stirring paddle (4-2) to drive the semicircular fixed block (4-1) to separate from the fixed sleeve (3-3-4), and replace the stirring paddle (4-2); S3: rotate the nut (2-4) to drive the guide column (2-3) to move downward through the moving plate (2-2); S4: the guide column (2-3) moves through the rack (2-3-1) to drive the rotating wheel (3-3-1) to adjust the angle of the stirring paddle (4-2).

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