Stirring device with heat preservation function

Abstract

The utility model discloses a stirring device with a heat preservation function, and belongs to the technical field of stirring equipment. The stirring device with the heat preservation function comprises a stirring hopper, three stirrers arranged on the inner side of the stirring hopper, a heating and heat preservation box arranged on the outer side of the stirring hopper, a frame arranged at the bottom of the heating and heat preservation box, rollers arranged at the bottom of the frame, a stirring shaft and stirring blades arranged on the stirring shaft, the three stirring blades form a group, the stirring blades on the three stirring shafts are distributed at equal intervals in the axial direction, the stirring blades are of spiral curved surface structures, the spiral directions of the stirring blades on the three stirring shafts are the same, and the stirring blades in the radial direction of the three stirring shafts are distributed in a crossed mode. The rotating direction of the stirring shaft in the middle is opposite to the rotating directions of the stirring shafts on the two sides, and a heat preservation assembly is arranged in the heating and heat preservation box; the utility model has the advantages that the asphalt pavement repairing cost is reduced, and the stirring and heat-insulating effects are good.

Description

Technical Field

[0001] The utility model relates to the technical field of stirring equipment, in particular to a stirring device with heat preservation. Background Art

[0002] Commonly used materials for road pavements usually include concrete pavements, asphalt pavements and stone pavements. Among them, asphalt pavements refer to pavements paved with asphalt materials mixed into mineral materials. Asphalt pavements have the advantages of high temperature stability, low temperature crack resistance and water stability. However, like pavements paved with other materials, asphalt pavements also require regular maintenance during long-term use. One of the common maintenance items is pavement repair.

[0003] Road repair mainly involves cleaning the area to be repaired, pouring new asphalt, and then leveling it and waiting for it to cool. In the prior art, there are two main types of equipment used in asphalt road repair. One is an asphalt road repair vehicle (mixer truck) disclosed in the invention application document with announcement number CN105332335A, which uses a motor vehicle to carry a large mixing tank filled with new asphalt. This repair equipment is convenient for transporting asphalt in large quantities, but when used to repair roads with many pits and densely distributed pits, frequent movement will cause great fuel waste and high cost of use; the other is an asphalt heating mixing box disclosed in the utility model with announcement number CN204022757U, including a box body and a heating and stirring assembly, which combines stirring and heating to increase the heat exchange speed and improve the heating effect, but the stirring effect of this type of repair equipment is average. Utility Model Content

[0004] The utility model aims to solve the problems of high use cost and general stirring effect of asphalt pavement repair equipment in the prior art, and proposes a stirring device with heat preservation.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A stirring device with heat preservation comprises a stirring bucket, a stirrer is arranged inside the stirring bucket, a heating and heat preservation box is arranged outside the stirring bucket, a frame is arranged at the bottom of the heating and heat preservation box, a roller is arranged at the bottom of the frame, three stirrers are provided, the stirrers comprise a stirring shaft and stirring blades arranged on the stirring shaft, three stirring blades form a group, and the stirring blades on the three stirring shafts are evenly spaced along the axial direction;

[0007] The stirring blades are of a spiral curved surface structure, the spiral directions of the stirring blades on the three stirring shafts are the same, the stirring blades are cross-distributed in the radial direction of the three stirring shafts, and the direction of the stirring shaft in the middle is opposite to that of the stirring shafts on both sides;

[0008] A heat preservation component is arranged inside the heating and heat preservation box.

[0009] Furthermore, a drive box is disposed inside the frame, a drive motor is disposed inside the drive box, and the stirring shaft is connected to a working end of the drive box via a transmission mechanism.

[0010] Further, the transmission mechanism comprises a first transmission box and a second transmission box respectively located at both ends of the stirring shaft, wherein a driving sprocket pin-connected to the working end of the driving motor and a driven sprocket pin-connected to the end of one of the stirring shafts are arranged inside the first transmission box, and the driving sprocket and the driven sprocket are connected by a chain;

[0011] A gear pin-connected to the end of the stirring shaft is arranged inside the second transmission box, and the three gears are meshed with each other.

[0012] Furthermore, a rotating shaft is provided at the rear end of the frame, a rotating shaft seat is mounted on the rotating shaft, and the rotating shaft seat is connected to the outer wall of the heating and heat preservation box;

[0013] A support seat is arranged at the front end of the frame, and the support seat abuts against the outer wall of the heating and insulation box.

[0014] Furthermore, an electric cylinder is arranged inside the frame, and two ends of the electric cylinder are respectively hinged to the frame and the heating and insulation box to push the heating and insulation box to rotate around the rotating shaft.

[0015] Furthermore, the heat preservation component comprises electric heating rods and heat preservation materials, a plurality of the electric heating rods are laid on the outer wall of the mixing bucket, and the heat preservation materials are laid on the side of the electric heating rods away from the mixing bucket.

[0016] Furthermore, a push-pull rod is provided at the front end of the frame, and the push-pull rod is rotatably mounted on the frame along a vertical direction.

[0017] Compared with the prior art, the utility model provides a stirring device with heat preservation, which has the following beneficial effects:

[0018] The utility model is equipped with a heat-insulating stirring device. When in use, asphalt is poured into the stirring bucket, the heating and heat-insulating box is turned on to heat the asphalt, and the stirrer is started to stir the asphalt. Since the stirring blade is a spiral curved surface structure and the middle stirring blade and the stirring blades on both sides turn in the opposite direction, after the middle stirring blade stirs the asphalt downward and rightward (or upward and leftward), when the stirring blades on both sides rotate to the same position, the asphalt is stirred downward and leftward (or upward and rightward). The three stirrers cooperate to stir the asphalt in the stirring bucket up and down and left and right regularly, so that the asphalt in the stirring bucket can be evenly heated. Compared with the prior art, the stirring effect is good and the heating is more even. In conjunction with the construction of a mixing truck, the cost of frequent movement is lower.

[0019] Other advantages, objectives and features of the present invention will be described in the following description to some extent; and will be apparent to those skilled in the art based on the following examination and study to some extent; or, may be taught from the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a schematic top view of the overall structure of the utility model;

[0022] Figure 3 This is one of the schematic diagrams of the internal structure of the transmission box of the utility model;

[0023] Figure 4 This is the second schematic diagram of the internal structure of the transmission box of the utility model;

[0024] Figure 5 This is a schematic diagram of the internal structure of the drive box of the utility model;

[0025] Figure 6 This is a schematic diagram of the structure of the agitator of the utility model;

[0026] Figure 7 For the utility model Figure 6 A schematic diagram of the structure enlargement of part A;

[0027] Figure 8 It is a schematic diagram of the internal structure of the heating and heat preservation box of the utility model.

[0028] In the figure:

[0029] 1. Mixing bucket; 2. Transmission mechanism; 21. First transmission box; 22. Second transmission box; 3. Drive box; 4. Heating and heat preservation box; 5. Frame; 6. Roller; 7. Push-pull rod; 8. Agitator; 9. Mixing blade; 10. Mixing shaft; 11. Driving sprocket; 12. Driven sprocket; 13. Gear; 14. Support seat; 15. Rotating shaft seat; 16. Rotating shaft; 17. Drive motor; 18. Electric cylinder; 19. Electric heating rod. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0031] Reference Figure 1-8The utility model has a heat-insulating stirring device, comprising a stirring bucket 1, an agitator 8 is arranged on the inner side of the stirring bucket 1, a heating and heat-insulating box 4 is arranged on the outer side of the stirring bucket 1, a frame 5 is arranged at the bottom of the heating and heat-insulating box 4, and a roller 6 is arranged at the bottom of the frame 5.

[0032] The mixing bucket 1 is open at the top, and the front and rear ends of the bottom are arc-shaped structures that cooperate with the mixing blades 9. The arc-shaped structure can reduce the mixing dead angle of the mixing blades 9 and facilitate pouring out the asphalt in the mixing bucket 1.

[0033] There are three agitators 8, which include a stirring shaft 10 and stirring blades 9 arranged on the stirring shaft 10. The three stirring blades 9 form a group, and the three stirring blades 9 in the same group are radially distributed along the radial direction of the stirring shaft 10. The multiple groups of stirring blades 9 on the three stirring shafts 10 are evenly spaced along the axial direction.

[0034] Specific reference Figure 2 In the front-to-back direction, the stirring blades 9 on the three stirring shafts 10 are arranged at the same spacing distance, so that the spacing between two groups of stirring blades 9 on the same stirring shaft 10 in the front-to-back direction is connected to the spacing between the corresponding two groups of stirring blades 9 on another stirring shaft 10.

[0035] The stirring blades 9 are of a spiral surface structure. The stirring blades 9 on the three stirring shafts 10 have the same spiral direction. The stirring blades 9 are cross-distributed in the radial direction of the three stirring shafts 10. The direction of rotation of the middle stirring shaft 10 is opposite to that of the stirring shafts 10 on both sides.

[0036] The cross distribution of the stirring blades 9 in the radial direction of the three stirring shafts 10 means that when the stirring blades 9 on one of the stirring shafts 10 rotate to the point where two stirring blades 9 are facing upward and one stirring blade 9 is facing diagonally downward, the stirring blades 9 on the adjacent stirring shafts 10 now have one stirring blade 9 facing upward and two stirring blades 9 facing diagonally downward.

[0037] Specific reference Figure 8 The middle stirring shaft 10 is at the back, and the front stirring shaft 10 is at the front. Taking the middle stirring shaft 10 rotating counterclockwise in the right view as an example, when the middle stirring blade 9 rotates downward, the asphalt is stirred downward and to the right, and when the front stirring blade 9 rotates to this position, the asphalt is stirred downward and to the left.

[0038] Between the middle and front agitators 8, initially, the upper stirring blades 9 of the front agitator 8 stir the upper asphalt backward, downward, and leftward (at this time, the asphalt mainly flows to the left within the gap between the two coaxial stirring blades 9, and the same applies below), and the lower stirring blades 9 stir the lower asphalt upward, forward, and leftward. The upper stirring blades 9 of the middle agitator 8 stir the upper asphalt downward, forward, and rightward (at this time, the asphalt is mainly stirred to the right within the gap between the two coaxial stirring blades 9, and the same applies below), and the lower stirring blades 9 stir the lower asphalt upward, backward, and rightward.

[0039] After the relative position between the middle agitator 8 and the rear agitator 8 changes, the middle agitator 8 is at the front side, and the working principle refers to the above stirring process.

[0040] Hot asphalt has better fluidity. When the asphalt near the stirring blades 9 is stirred, the asphalt in other directions will automatically flow into the filled gaps. In this way, in the entire mixing bucket 1, all the asphalt is evenly stirred up and down, left and right, front and back.

[0041] The interior of the heating and heat preservation box 4 is provided with a heat preservation component.

[0042] The asphalt in the mixing bucket 1 is heated and insulated by the heat-insulating assembly to prevent the hot asphalt from cooling down, so that the hot asphalt maintains good fluidity and is convenient for use in road repair.

[0043] During construction, it can be used in conjunction with an asphalt mixer truck. In a road environment with many pits and densely distributed pits, after the asphalt mixer truck moves to a predetermined position, the heated asphalt is poured into the mixing bucket 1, and the device is manually moved to a work point around the mixer truck to repair the road surface. When the road surface repair near the position is completed, the device is moved to the next work position with the mixer truck to carry out road surface repair construction. Compared with a mixer truck, the movement is more flexible, and at the same time, it can replace the mixer truck to reduce the cost of use. Of course, the device can also be used alone.

[0044] A driving box 3 is disposed inside the frame 5 , a driving motor 17 is disposed inside the driving box 3 , and the stirring shaft 10 is connected to the working end of the driving box 3 via a transmission mechanism 2 .

[0045] The drive box 3 is located inside the vehicle frame 5, which reduces the length and width of the device, facilitates reducing the overall size, and makes turning and movement more flexible.

[0046] The transmission mechanism 2 includes a first transmission box 21 and a second transmission box 22 respectively located at the two ends of the stirring shaft 10. The interior of the first transmission box 21 is provided with a driving sprocket 11 pinned to the working end of the driving motor 17 and a driven sprocket 12 pinned to the end of one of the stirring shafts 10. The driving sprocket 11 and the driven sprocket 12 are connected by a chain.

[0047] The driving sprocket 11 is a small sprocket, the driven sprocket 12 is a large sprocket, and a reduction gear box is provided between the driving motor 17 and the driving sprocket 11, and a reduction effect is achieved when used together. The driving motor 17 drives the driving sprocket 11 to rotate through the reduction gear box, and the driving sprocket 11 drives the driven gear 12 to rotate through the chain.

[0048] A gear 13 pinned to the end of the stirring shaft 10 is disposed inside the second transmission box 22 , and the three gears 13 are meshed with each other.

[0049] In addition to direct meshing, the three gears 13 may also be indirectly meshed through other gears, ensuring that the middle gear 13 rotates in the opposite direction to the gears 13 on both sides.

[0050] A rotating shaft 16 is provided at the rear end of the vehicle frame 5, and a rotating shaft seat 15 is mounted on the rotating shaft 16, and the rotating shaft seat 15 is connected to the outer wall of the heating and heat preservation box 4;

[0051] The rotating shaft seat 15 is a round tube sleeve, which is rotatably mounted on the rotating shaft 16 . The stirring bucket 1 , the heating and heat preservation box 4 and the vehicle frame 5 are rotatably connected through the rotating shaft seat 15 .

[0052] A support seat 14 is provided at the front end of the frame 5 , and the support seat 14 abuts against the outer wall of the heating and insulation box 4 .

[0053] The front end of the heating and heat preservation box 4 is pressed on the support seat 14 and is separated from the support seat 14 when rotating.

[0054] An electric cylinder 18 is disposed inside the vehicle frame 5 , and two ends of the electric cylinder 18 are respectively hinged to the vehicle frame 5 and the heating and heat preservation box 4 , so as to push the heating and heat preservation box 4 to rotate around the rotating shaft 16 .

[0055] When the electric cylinder 18 extends, it pushes the mixing bucket 1 and the heating and insulation box 4 to rotate upward around the rotating shaft 16, and the asphalt in the mixing bucket 1 is poured out from the rear end. When the electric cylinder 18 contracts, it pulls and pushes the mixing bucket 1 and the heating and insulation box 4 to rotate downward around the rotating shaft 16 and return to the support seat 14.

[0056] The heat preservation component includes an electric heating rod 19 and a heat preservation material. A plurality of the electric heating rods 19 are laid on the outer wall of the mixing bucket 1 , and a heat preservation material is laid on a side of the electric heating rod 19 away from the mixing bucket 1 .

[0057] The electric heating rod 19 and the thermal insulation material are both located inside the heating and heat preservation box 4. The electric heating rod 19 is in contact with the outer wall of the mixing bucket 1. The thermal insulation material can be thermal insulation rock wool. The thermal insulation material is wrapped around the side of the electric heating rod 19 away from the mixing bucket 1. The front and rear side walls and the bottom plate of the mixing bucket 1 are heated by the electric heating rod 19, and the asphalt in the mixing bucket 1 is indirectly heated to prevent the asphalt from cooling down. In addition to reducing the heat loss of the electric heating rod 19, the thermal insulation material can also prevent the outer wall of the heating and heat preservation box 4 from being heated, thereby preventing the staff from being burned by contact.

[0058] A push-pull rod 7 is provided at the front end of the frame 5 , and the push-pull rod 7 is rotatably mounted on the frame 5 along the vertical direction.

[0059] The push-pull rod 7 can be used to manually push and pull the frame 5 to move the device, or the device can be towed by a vehicle such as a tricycle.

[0060] The rotatable push-pull rod 7 is convenient for adjusting the tilt angle and is used in conjunction with a traction device. It can also be rotated upward to abut against the outer wall of the heating and insulation box 4 to facilitate pushing the device.

[0061] Working principle: When in use, pour the heated asphalt into the mixing bucket 1, start the drive motor 17 and the electric heating rod 19, and the drive motor 17 drives the three stirrers 8 to rotate through the transmission mechanism 2, so that the asphalt in the mixing bucket 1 is evenly heated and kept warm.

[0062] When the asphalt needs to be poured out, the electric cylinder 18 is started to extend, driving the mixing bucket 1 to rotate backward, and the asphalt is poured from the rear side into the pit surface that needs to be repaired.

[0063] The asphalt in the mixing bucket 1 maintains a constant temperature and has good fluidity, and can be used continuously between different pit surfaces for a long time.

[0064] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0065] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0066] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A stirring device with heat preservation, comprising a stirring bucket (1), a stirrer (8) being arranged on the inner side of the stirring bucket (1), a heating and heat preservation box (4) being arranged on the outer side of the stirring bucket (1), a frame (5) being arranged on the bottom of the heating and heat preservation box (4), and a roller (6) being arranged on the bottom of the frame (5), characterized in that: There are three stirrers (8), each of which comprises a stirring shaft (10) and stirring blades (9) arranged on the stirring shaft (10), the three stirring blades (9) forming a group, and the stirring blades (9) on the three stirring shafts (10) being distributed at equal intervals along the axial direction; The stirring blade (9) is a spiral curved surface structure, the stirring blades (9) on the three stirring shafts (10) have the same spiral direction, the stirring blades (9) are cross-distributed in the radial direction of the three stirring shafts (10), and the direction of rotation of the stirring shaft (10) in the middle is opposite to that of the stirring shafts (10) on both sides; A heat preservation component is arranged inside the heating and heat preservation box (4).

2. The stirring device with heat preservation according to claim 1, characterized in that: A drive box (3) is disposed inside the vehicle frame (5), a drive motor (17) is disposed inside the drive box (3), and the stirring shaft (10) is connected to the working end of the drive box (3) via a transmission mechanism (2).

3. The stirring device with heat preservation according to claim 2, characterized in that: The transmission mechanism (2) comprises a first transmission box (21) and a second transmission box (22) respectively located at two ends of the stirring shaft (10); a driving sprocket (11) pin-connected to a working end of the driving motor (17) and a driven sprocket (12) pin-connected to an end of one of the stirring shafts (10) are arranged inside the first transmission box (21); the driving sprocket (11) and the driven sprocket (12) are connected via a chain; A gear (13) pin-connected to the end of the stirring shaft (10) is provided inside the second transmission box (22), and the three gears (13) are meshed with each other.

4. The stirring device with heat preservation according to claim 1, characterized in that: A rotating shaft (16) is disposed at the rear end of the vehicle frame (5), a rotating shaft seat (15) is mounted on the rotating shaft (16), and the rotating shaft seat (15) is connected to the outer wall of the heating and heat preservation box (4); A support seat (14) is provided at the front end of the vehicle frame (5), and the support seat (14) abuts against the outer wall of the heating and heat preservation box (4).

5. The stirring device with heat preservation according to claim 4, characterized in that: An electric cylinder (18) is disposed inside the vehicle frame (5), and two ends of the electric cylinder (18) are respectively hinged to the vehicle frame (5) and the heating and heat preservation box (4), so as to push the heating and heat preservation box (4) to rotate around the rotating shaft (16).

6. The stirring device with heat preservation according to claim 1, characterized in that: The heat-insulating assembly comprises an electric heating rod (19) and a heat-insulating material. A plurality of the electric heating rods (19) are laid on the outer wall of the stirring bucket (1), and the heat-insulating material is laid on a side of the electric heating rod (19) away from the stirring bucket (1).

7. The stirring device with heat preservation according to claim 1, characterized in that: A push-pull rod (7) is provided at the front end of the vehicle frame (5), and the push-pull rod (7) is rotatably mounted on the vehicle frame (5) along a vertical direction.

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