CN207997435U - A kind of municipal construction agitating device - Google Patents

Abstract

The utility model discloses a stirring device for municipal construction, which comprises a stirring drum with an opening, a fixed support and a stirring assembly. The stirring rod on the driving part, the stirring rod extends towards the inside of the mixing drum, the stirring rod is provided with a plurality of stirring blades; the stirring blade is provided with an insertion hole for the stirring rod to be inserted, and a fixed component is arranged between the stirring blade and the stirring rod ; The driving part makes the stirring rod drive the mixing blades to rotate in the mixing drum. If the height of the cement in the mixing drum changes, the mixing blades at the original position will not be able to fully mix the cement. At this time, loosen the fixing assembly to make The stirring blade slides on the stirring rod to adjust the position and posture, and after adjusting the position and posture, a fixing component is set to fix the stirring blade, thereby improving the stirring effect of the stirring device, which is convenient and practical.

Description

A mixing device for municipal construction

technical field

The utility model relates to a municipal construction device, in particular to a stirring device for municipal construction.

Background technique

Cement mixer, also known as concrete mixer, is a machine used to mix cement, sand aggregate and water and mix it into concrete mixture. At present, cement mixer is a relatively common equipment in municipal road construction. Its main purpose is to fully mix the cement slurry and prevent the cement slurry from solidifying before it is useless.

Most of the stirring rods and stirring blades on the stirring device of the existing cement mixer have an integrated structure, and the stirring device of this structure cannot change with the change of the internal cement height, which makes it more inconvenient to use.

Utility model content

Aiming at the technical problem that the existing stirring device cannot change with the change of the internal cement height, the utility model provides a stirring device for municipal construction, which has the advantage of convenient adjustment of the height of the stirring device.

In order to achieve the above object, the utility model provides the following technical solutions:

A mixing device for municipal construction, comprising a mixing drum with an opening, a fixing bracket and a mixing assembly, the fixing bracket is fixedly connected to the opening of the mixing drum, and the mixing assembly includes a drive fixed on the fixing bracket A stirring rod fixed on the driving member, the stirring rod extends toward the inside of the mixing drum, and a plurality of stirring blades are detachably connected to the stirring rod;

The middle position of the stirring blade is provided with an insertion hole for the insertion of the stirring rod, and a fixing assembly for fixing the position and posture of the stirring blade is arranged between the stirring blade and the stirring rod.

Through the above technical solution, the driving part makes the stirring rod drive the stirring blades to rotate in the mixing drum. If the height of the cement in the mixing drum changes, the stirring blades at the original position will not be able to fully stir the cement. At this time, loosen the Fix the component so that the stirring blade slides on the stirring rod to adjust the position and posture, and then set the fixed component to fix the stirring blade after adjusting the position and posture, so as to improve the stirring effect of the stirring device, which is convenient and practical.

Further, the stirring rod is provided with external threads, and the inner wall of the insertion hole is provided with internal threads corresponding to the external threads.

Through the above technical scheme, the stirring blade is threadedly connected with the stirring rod, so that the height of the stirring blade on the stirring rod can be adjusted while its posture can be adjusted, and the resistance of the stirring blade moving on the stirring rod can also be increased, so that the position of the stirring blade is within its stirring position. Cement is not easy to change.

Further, the fixing assembly includes a plurality of fixing holes set on the side wall of the stirring rod, positioning holes set on the stirring blade, and fixing holes inserted into the fixing holes and the positioning holes. rod, the positioning holes correspond to the fixing holes, and the fixing holes are evenly distributed in the axial direction of the stirring rod and in the circumferential direction of the side wall.

Through the above technical solution, when the fixing rod is plugged into the fixing hole and the positioning hole at the same time, the relative position of the stirring blade and the stirring rod can be fixed.

Further, the fixing rod is screwed into the fixing hole.

Through the above technical solution, the threaded connection makes it difficult for the fixing rod to slip out of the fixing hole.

Further, one end of the fixing rod outside the fixing hole extends out of the positioning hole, and is fixedly connected to the periphery of the positioning hole with an elastic reset member for inserting the fixing rod into the positioning hole .

Through the above technical solution, the elastic return member can pull the fixing rod into the positioning hole, thereby preventing the fixing rod from slipping out of the fixing hole.

Further, the fixing assembly includes a plurality of sliding grooves provided on the side wall of the stirring rod, and the section of the sliding grooves along its length direction is flared, and the flared opening faces the inside of the stirring rod , the sliding groove is connected with a sliding block whose shape matches with it, and the stirring blade is rotatably connected with a clamping rod that is threadedly connected with the sliding block, and one end of the clamping rod extends out of the The stirring blade is provided with a tightening nut.

Through the above technical scheme, the clamping rod can tighten the sliding block under the tightening operation of the tightening nut, so that the sliding block is pressed against the inner wall of the sliding groove, thereby fixing the stirring blade on the stirring rod. When the tight nut is unscrewed, the sliding block can slide in the sliding groove so as to adjust the height of the stirring blade on the stirring rod.

Further, a protruding locking strip is fixedly connected to the outer wall of the sliding block and the sliding groove, the length direction of the locking strip is perpendicular to the length direction of the sliding groove, and the A soft locking layer is fixedly connected to the inner wall of the sliding groove.

Through the above technical solution, the locking bar can increase the frictional force between the sliding block and the inner wall of the sliding groove, and avoid displacement on the stirring rod when the stirring blade rotates and stirs.

Further, the locking layer is provided with locking grooves for locking the locking strips.

Through the above technical solution, the locking bar can be engaged in the locking groove, so that the resistance between the sliding block and the inner wall of the sliding groove becomes larger, which is beneficial to the stable operation of the stirring blade.

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

(1) The driving part makes the stirring rod drive the stirring blades in the mixing drum to rotate. If the height of the cement in the mixing drum changes, the stirring blades in the original position will not be able to fully stir the cement. At this time, loosen the fixing assembly , so that the stirring blade slides on the stirring rod to adjust the position and posture, after adjusting the position and posture, set the fixed component to fix the stirring blade, so as to improve the stirring effect of the stirring device, which is convenient and practical;

(2) By setting the screw connection between the stirring blade and the stirring rod, the stirring blade can adjust its posture while adjusting the height on the stirring rod, and it can also increase the resistance of the stirring blade moving on the stirring rod, so that the position of the stirring blade is at its stirring cement not easy to change;

(3) By arranging the elastic restoring part, the elastic restoring part can pull the fixing rod into the positioning hole, thereby preventing the fixing rod from slipping out of the fixing hole.

Description of drawings

Fig. 1 is the overall structure schematic diagram of embodiment one of the mixing device for municipal construction of the present utility model;

Fig. 2 is the vertical cross-sectional schematic diagram of a stirring rod along the radial direction of the fixed hole of the utility model municipal construction stirring device embodiment one;

Fig. 3 is a vertical cross-sectional schematic diagram of an elastic reset member of the utility model municipal construction stirring device embodiment;

Fig. 4 is the overall structure schematic diagram of embodiment two of the stirring device for municipal construction of the present invention;

FIG. 5 is an enlarged schematic diagram of part A of FIG. 4;

Fig. 6 is a horizontal cross-sectional schematic view of the stirring rod along the radial direction of the clamping rod of Embodiment 2 of the stirring device for municipal construction of the present utility model;

FIG. 7 is an enlarged schematic diagram of part B of FIG. 6 .

Reference signs: 1. Stirring drum; 2. Fixed bracket; 3. Stirring component; 4. Driving member; 5. Stirring rod; 6. Stirring blade; 7. Insertion hole; 10. Positioning hole; 11. Fixing rod; 12. Elastic reset member; 13. Sliding groove; 14. Sliding block; 15. Clamping hole; 16. Clamping rod; 17. Tightening nut; 18. Locking Bar; 19, locking layer; 20, locking groove.

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the utility model is described in detail.

Embodiment one

A kind of mixing device for municipal construction, as shown in Figure 1, comprises a circular cylindrical shape and a mixing drum 1 with an upward opening, a fixed bracket 2 fixed at the opening of the mixing drum 1, the fixing bracket 2 is provided with A stirring assembly 3 for stirring the filled cement. The stirring assembly 3 includes a driving part 4 fixed on the fixed bracket 2, the driving part 4 adopts a driving motor powered by the mains, and the rotating shaft of the driving motor extends toward the mixing drum 1 after passing through the fixing bracket 2. The rotating shaft of the driving member 4 is fixedly connected with a coaxial central line and a cylindrical stirring rod 5, the stirring rod 5 extends towards the inside of the mixing drum 1 in the vertical direction, and the stirring rod 5 is threaded with a plurality of horizontally arranged Stirring blade 6. The middle position of the stirring blade 6 is provided with an insertion hole 7 for inserting the stirring rod 5 , the stirring rod 5 is provided with an external thread, and the inner wall of the insertion hole 7 is provided with an internal thread corresponding to the external thread. As shown in FIG. 2 , a fixing assembly 8 for fixing the position and posture of the stirring blade 6 is also provided between the stirring blade 6 and the stirring rod 5 . After the driving part 4 is electrified, it drives the stirring rod 5 to rotate, and the stirring rod 5 drives the stirring blade 6 to stir the cement in the mixing drum 1. At the same time, its posture can be adjusted, and the resistance of the stirring blade 6 moving on the stirring rod 5 can be increased, so that the position of the stirring blade 6 is not easy to change when it is stirring cement, and the fixed assembly 8 can prevent the stirring blade 6 from moving on the stirring rod 5 slide.

The fixing assembly 8 includes a plurality of fixing holes 9 provided on the side wall of the stirring rod 5 , and the fixing holes 9 are evenly distributed in the axial direction of the stirring rod 5 and the circumferential direction of the side wall. The side wall of the stirring blade 6 is provided with a positioning hole 10 having the same aperture as the fixing hole 9. After the positioning hole 10 is aligned with the fixing hole 9, a fixing rod 11 is inserted together. The inner wall threaded connection of the fixed rod 11 is provided with an inner hexagonal hole for convenient rotation of the fixed rod 11 away from the outer end of the fixed hole 9, and the fixed rod 11 is not easy to slip when the stirring rod 5 rotates after screwing into the fixed hole 9. Wherein, as shown in Figure 3, in the case that the inner wall of the fixing hole 9 cannot be provided with an internal thread, the end of the fixing rod 11 located outside the fixing hole 9 extends out of the positioning hole 10, and is welded with the periphery of the positioning hole 10 for use. The fixed rod 11 is inserted into the elastic return member 12 of the positioning hole 10, and the elastic return member 12 can use a common spring. The elastic return member 12 can pull the fixing rod 11 into the positioning hole 10 , so as to prevent the fixing rod 11 from slipping out of the fixing hole 9 .

The working principle and beneficial effects of the mixing device for municipal construction are as follows: after the driving part 4 is energized, the stirring rod 5 is driven to drive the stirring blade 6 to rotate in the mixing drum 1. If the height of the cement in the mixing drum 1 changes, the stirring at the original position The blade 6 will not be able to fully stir the cement. At this time, use a hexagonal wrench to unscrew the fixed rod 11, fix the stirring rod 5 and turn the stirring blade 6, so that the stirring blade 6 slides on the stirring rod 5 to adjust the position and posture. After the position and posture, the fixed rod 11 is passed through the positioning hole 10 and tightened in the fixed hole 9 to fix the relative position between the stirring blade 6 and the stirring rod 5, so as to improve the stirring effect of the stirring device, which is convenient and practical.

Embodiment two

A stirring device for municipal construction, as shown in Figure 4 and Figure 5, differs from Embodiment 1 in that the fixing assembly 8 includes a plurality of vertical sliding grooves 13 provided on the side wall of the stirring rod 5, and the sliding The cross-section of the transfer groove 13 along its length direction is flared, and its flare is towards the inside of the stirring rod 5. A sliding block 14 whose shape matches its cross section is slidably connected in the glide groove 13, and the side of the middle part of the stirring blade 6 A clamping hole 15 with a horizontal opening direction is opened on the wall, and a clamping rod 16 with one end threadedly connected with the sliding block 14 is plugged into the clamping hole 15, and the other end of the clamping rod 16 extends out of the stirring blade 6 and is integrated. Tighten nut 17 is arranged. Turning the tightening nut 17 makes the clamping rod 16 drive the sliding block 14 to press against the inner wall of the sliding groove 13 , thereby compressing and fixing the stirring blade 6 on the stirring rod 5 .

As shown in Figure 6 and Figure 7, a protruding locking strip 18 is integrally provided on the outer wall where the sliding block 14 abuts against the sliding groove 13, and the length direction of the locking strip 18 is perpendicular to the length direction of the sliding groove 13 , The inner wall of the sliding groove 13 is glued with a soft locking layer 19, and the locking layer 19 is made of rubber. The locking layer 19 is provided with a locking groove 20 for locking the locking bar 18 .

The working principle and beneficial effect of the stirring device for municipal construction are as follows: the clamping rod 16 can tighten the sliding block 14 under the tightening operation of the tightening nut 17, so that the sliding block 14 is pressed against the inner wall of the sliding groove 13 , so that the stirring blade 6 is fixed on the stirring rod 5. When the tightening nut 17 is unscrewed, the sliding block 14 can slide in the sliding groove 13 to adjust the height of the stirring blade 6 on the stirring rod 5. The locking bar 18 can increase the pressure between the sliding block 14 and the inner wall of the sliding groove 13, thereby increasing the frictional resistance. When the tightening nut 17 is tightened, the locking bar 18 can be engaged in the locking groove 20, so that The resistance between the sliding block 14 and the inner wall of the sliding groove 13 becomes larger, which is beneficial to the stable operation of the stirring blade 6 and avoids displacement on the stirring rod 5 when the stirring blade 6 rotates and stirs.

The above descriptions are only preferred implementations of the present utility model, and the protection scope of the present utility model is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present utility model all belong to the protection scope of the present utility model. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims (8)

1. A mixing device for municipal construction, comprising a mixing drum (1) with an opening, a fixing bracket (2) and a mixing assembly (3), characterized in that the fixing bracket (2) is fixedly connected to the mixing drum On the opening of (1), the stirring assembly (3) includes a driving part (4) fixed on the fixed bracket (2) and a stirring rod (5) fixed on the driving part (4), so The stirring rod (5) extends toward the inside of the stirring drum (1), and a plurality of stirring blades (6) are detachably connected to the stirring rod (5); The middle position of the stirring blade (6) is provided with an insertion hole (7) for the insertion of the stirring rod (5), and a fixing hole (7) is provided between the stirring blade (6) and the stirring rod (5). A fixing component (8) for the position and posture of the stirring blade (6). 2. The stirring device for municipal construction according to claim 1, characterized in that, the stirring rod (5) is provided with an external thread, and the inner wall of the insertion hole (7) is provided with the external thread Corresponds to the mating internal thread. 3. The stirring device for municipal construction according to claim 2, characterized in that, the fixing assembly (8) includes a plurality of fixing holes (9) set on the side wall of the stirring rod (5), set in The positioning hole (10) on the stirring blade (6), and the fixing rod (11) inserted in the fixing hole (9) and the positioning hole (10), the positioning hole (10) and Corresponding to the fixing holes (9), the fixing holes (9) are evenly distributed in the axial direction of the stirring rod (5) and in the circumferential direction of its side wall. 4. The stirring device for municipal construction according to claim 3, characterized in that, the fixing rod (11) is screwed into the fixing hole (9). 5. The stirring device for municipal construction according to claim 3, characterized in that, one end of the fixing rod (11) outside the fixing hole (9) extends out of the positioning hole (10), and is in line with the An elastic reset member (12) for inserting the fixing rod (11) into the positioning hole (10) is fixedly connected between the peripheral edges of the positioning hole (10). 6. The stirring device for municipal construction according to claim 2, characterized in that, the fixing assembly (8) includes a plurality of sliding grooves (13) provided on the side wall of the stirring rod (5), so that The cross section of the sliding groove (13) along its length direction is flared, and its flared opening faces the inside of the stirring rod (5), and there is a sliding connection in the sliding groove (13) that is shaped to match it. Moving block (14), the stirring blade (6) is rotatably connected with a clamping rod (16) threadedly connected with the sliding block (14), and one end of the clamping rod (16) extends out of the The stirring blade (6) is also provided with a tightening nut (17). 7. The stirring device for municipal construction according to claim 6, characterized in that, the outer wall of the sliding block (14) abutting against the sliding groove (13) is fixedly connected with a protruding locking strip (18), the length direction of the locking bar (18) is perpendicular to the length direction of the sliding groove (13), and the inner wall of the sliding groove (13) is fixedly connected with a soft locking layer ( 19). 8 . The stirring device for municipal construction according to claim 7 , characterized in that, the locking layer ( 19 ) is provided with a locking groove ( 20 ) for locking the locking bar ( 18 ).