Stirring shaft structure for asphalt stirring pot

Abstract

The utility model relates to a stirring shaft structure for an asphalt stirring pot, which comprises a shaft body, a stirring arm and a blade, two ends of the shaft body are respectively provided with a connecting rod, a plurality of fixing grooves are uniformly distributed on the shaft body, the cross section of the shaft body in the fixing grooves is square, and four corners of the square are arc-shaped; the stirring arm is fixedly installed in the fixing groove, the stirring arm comprises two stirring rods which are symmetrically arranged, one end of each stirring rod is provided with an angle-shaped clamping block which can be matched with the fixing groove, and the other end of each stirring rod is provided with a connecting block; and the two angle-shaped clamping blocks which are symmetrically provided with the stirring rods are fixed through a first connecting piece. The combined stirring arm structure is adopted, so that the device is convenient to install and stable in work; the strength of the stirring rods is higher through the reinforcing rib plates, and the blades are obliquely arranged, so that asphalt concrete can circularly flow when the stirring shaft works, and the stirring effect is better; the overall structure is simple, design is ingenious, and service life is long.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pitch processing equipment technical field, especially is involved in a kind of stirring shaft structure for pitch mixing kettle. BACKGROUND

[0002] Pitch concrete is used as a kind of building material, mainly used in the surface covering of road, bridge and other sections, pitch mixing kettle is one of necessary equipment when pitch is laid, and the stirring structure of pitch mixing kettle is main working part, in the process of rotation, the stirring rod on the main shaft stirs pitch concrete, to avoid pitch concrete solidification;

[0003] However, the stirring rod of single plate structure will appear deformation, cracking and other phenomena in the working process, and the service life is not long, and the pitch concrete at both ends of mixing kettle is not easy to be driven when the stirring rod of single plate structure works. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a stirring shaft structure for pitch mixing kettle.

[0005] The utility model solves the technical scheme that the above-mentioned technical problem adopts:

[0006] A stirring shaft structure for pitch mixing kettle, comprising:

[0007] The shaft body is provided with a connecting rod at both ends, and a plurality of fixed grooves are uniformly distributed on the shaft body, the cross section of the shaft body in the fixed groove is square, and the four corners of the square are arc-shaped.

[0008] The stirring arm is fixedly installed in the fixed groove, and comprises two symmetrically arranged stirring rods, one end of the stirring rod is provided with an angular block capable of cooperating with the fixed groove, and the other end is provided with a connecting block.

[0009] The blades are fixedly installed on the connecting block by the second connecting piece, and the blades are inclined.

[0010] Preferably, the shaft body is a square shaft as a whole, and the corners are rounded.

[0011] Preferably, the stirring arms are cross arranged.

[0012] Preferably, the connecting block is provided with a toothed plate, and the blade is provided with a toothed groove capable of cooperating with the toothed plate.

[0013] Preferably, the stirring rod is provided with a reinforcing rib plate.

[0014] Preferably, each end of the angular block is provided with a connecting plate, and each connecting plate is provided with a connecting hole that can cooperate with the first connecting member.

[0015] Preferably, the blade is rectangular in shape, and the upper surface of the blade is provided with downwardly sloping surfaces on all four sides.

[0016] Compared with the prior art, this utility model has the following advantages:

[0017] This utility model adopts a combined mixing arm structure, which is easy to install and stable in operation; the reinforcing ribs make the mixing rod stronger, and the blades are inclined so that the asphalt concrete can circulate when the mixing shaft is working, resulting in better mixing effect; the overall structure is simple, ingeniously designed, and has a long service life. Attached Figure Description

[0018] Fig. 1 This is a schematic diagram of the overall structure of this utility model.

[0019] Fig. 2 This is a schematic diagram of the shaft structure of this utility model.

[0020] Fig. 3 This is a schematic diagram of the installation of the blade and connecting block of this utility model.

[0021] In the figure: 1. Shaft; 2. Connecting rod; 3. Fixing groove; 4. Stirring arm; 5. Stirring rod; 6. Angular clamping block; 7. Connecting block; 8. First connecting piece; 9. Blade; 10. Second connecting piece; 11. Tooth pressure plate; 12. Tooth groove; 13. Reinforcing rib; 14. Connecting plate; 15. Connecting hole; 16. Inclined surface. Detailed Implementation

[0022] To enable those skilled in the art to better understand the present invention, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0023] This embodiment proposes a mixing shaft structure for an asphalt mixing plant, including a shaft body 1, a mixing arm 4, and blades 9. The shaft body 1 is connected to the drive motor of the asphalt mixing plant. When the shaft body 1 rotates, it drives the mixing arm 4 to rotate, and the blades 4 move accordingly to mix the asphalt concrete.

[0024] like Figs. 1-3 As shown, connecting rods 2 are respectively provided at both ends of the shaft 1, and the connecting rods 2 enable the shaft 1 to be installed in the asphalt mixing pot;

[0025] A number of fixing grooves 3 are evenly distributed on the shaft 1. The cross-section of the shaft 1 inside the fixing groove 3 is square, and the four corners of the square are rounded.

[0026] The stirring arm 4 is fixedly installed in the fixed groove 3, the fixed groove 3 makes the stirring arm 4 convenient to install, and can play the role of axial limiting to the stirring arm 4;

[0027] The stirring arm 4 includes two symmetrically arranged stirring rods 5, one end of the stirring rod 5 is provided with an angle type clamping block 6 capable of cooperating with the fixed groove 3, and the other end is provided with a connecting block 7; the angle type clamping blocks 6 of the two symmetrically arranged stirring rods 5 are fixed by a first connecting piece 8, when the two angle type clamping blocks 6 cooperate, the opening of the angle type clamping block 6 cooperates with the shaft body 1 in the fixed groove 3, so that the stirring arm 4 cannot rotate on the shaft body 1;

[0028] The blades 9 are fixedly installed on the connecting block 7 by the second connecting piece 10 respectively, the blades 9 are inclinedly arranged, the inclination of the blades 9 makes the blades 9 more easily enter the inside of the asphalt concrete when the shaft body 1 works, and when the shaft body 1 rotates, the blades 9 can make the asphalt concrete receive an oblique thrust force, can circulate and flow, and the stirring effect is better.

[0029] Further, the shaft body 1 is a square shaft as a whole, and the corners are rounded, the square shaft type shaft body 1 has stronger bending and torsion resistance and stronger weighing capacity.

[0030] Further, the stirring arms 4 are cross arranged, the cross arrangement of the stirring arms 4 makes the stirring arms 4 enter the asphalt concrete in turn and circulate, and the stirring effect is better.

[0031] Further, the connecting block 7 is provided with a toothed plate 11, the blade 9 is provided with a toothed groove 12 capable of cooperating with the toothed plate 11, the cooperation of the toothed plate 11 and the toothed groove 12 makes the blade 9 more stably fixed on the connecting block 7, has a certain unloading effect, and increases the service life of the second connecting piece 10.

[0032] Further, the stirring rod 5 is provided with a reinforcing rib plate 13, the reinforcing rib plate 13 makes the overall strength of the stirring rod 5 higher and the service life longer.

[0033] Further, the two ends of the angle type clamping block 6 are respectively provided with a connecting plate 14, the connecting plate 14 is respectively provided with a connecting hole 15 capable of cooperating with the first connecting piece 8, and the first connecting piece 8 is a connecting bolt for fixing the two angle type clamping blocks 6 in the fixed groove 3.

[0034] Further, the blade 9 is in the shape of a cuboid as a whole, the upper four sides of the blade 9 are respectively provided with downward inclined inclined surfaces 16, and the inclined surfaces 16 make the blade 9 more easily obliquely cut into the asphalt concrete.

[0035] Working principle: the utility model discloses in using, first two stirring rods 5 are opposite and are installed in fixed slot 3, and utilize the angle type clamping block 6 fixed connection of first connecting piece 8 two, make two stirring rods 5 form stirring arm 4, then utilize second connecting piece 10 and install blade 9 on the connecting block 7 of stirring rod 5, then, again, the axle body 1 is installed in pitch mixing kettle using connecting rod 2 can be used immediately;

[0036] Blade 9 is inclined to set up, and blade 9 has inclined surface 16 on it, make the axle body 1 work, blade 9 can more easily enter the inside of pitch concrete, and when axle body 1 rotates, blade 9 can make pitch concrete receive oblique thrust, can circulate and flow, and the stirring effect is better, the overall strength of stirring rod 5 is higher by reinforcing rib plate 13, and the service life is longer.

[0037] It can be understood that the above implementation is only for the principle of the utility model and the exemplary embodiment is used, the utility model is not limited to this. For ordinary skilled person in the art, without departing from the spirit and essence of the utility model, various modifications and improvements can be made, and these modifications and improvements are also considered as the protection scope of the utility model.

Claims

1. A stirring shaft structure for asphalt mixing kettle, comprising: a shaft body, two ends of the shaft body are respectively provided with a connecting rod, a plurality of fixing grooves are uniformly distributed on the shaft body, a cross section of the shaft body in the fixing groove is square, and four corners of the square are circular arc shapes; a stirring arm, the stirring arm is fixedly installed in the fixing groove, the stirring arm comprises two symmetrical stirring rods, one end of the stirring rod is provided with an angle type clamping block capable of cooperating with the fixing groove, the other end is provided with a connecting block, and the angle type clamping blocks of the two symmetrical stirring rods are fixed by a first connecting piece; and a blade, the blade is fixedly installed on the connecting block by a second connecting piece, and the blade is obliquely arranged. The shaft body is a square shaft, and the corners are rounded. The stirring arms are cross arranged. The connecting block is provided with a toothed plate, and the blade is provided with a toothed groove capable of cooperating with the toothed plate.

2. The mixing shaft structure for an asphalt mixer according to claim 1, wherein The stirring rod is provided with a reinforcing rib plate.

3. The mixing shaft structure for an asphalt mixer according to claim 1, wherein Two ends of the angle type clamping block are respectively provided with a connecting plate, the connecting plate is respectively provided with a connecting hole capable of cooperating with the first connecting piece.

4. The mixing shaft structure for an asphalt mixer according to claim 1, wherein The blade is in the shape of a cuboid, and the upper four sides of the blade are respectively provided with downward inclined inclined surfaces.

5. The mixing shaft structure for an asphalt mixer according to claim 1, wherein ​ 6. The mixing shaft structure for an asphalt mixer according to claim 1, wherein ​ 7. The mixing shaft structure for an asphalt mixer according to claim 1, wherein ​

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