CN205420969U - Asphalt base material stirring swelling machine - Google Patents

Abstract

The utility model discloses an asphalt base material stirring swelling machine, including elevating gear, the last motor that is connected with of elevating gear, the output of motor is connected with agitating unit, and the agitating unit downside is equipped with flourishing appearance bucket, is connected with temperature control device on the flourishing appearance bucket, agitating unit is equipped with the connecting plate that just can reciprocate rather than the vertically including connecting the rotary rod at the motor output on, the connecting plate downside evenly is equipped with a plurality of vertical decurrent rotatory stirring rods, and the bottom of rotary rod evenly is equipped with a plurality of rotating vane. The utility model discloses a flourishing kind barrel of high -efficient convenient heating of realization of improvement pitch, heat preservation, accurate temperature control prevent that pitch from splashing in the stirring, realize through improvement agitating unit that the high efficiency evenly stirs, and it is convenient that interpolation screw thread riser realizes that agitating unit reciprocates, the position accurate control.

Description

A mixing and swelling machine for asphalt-based materials

technical field

The utility model belongs to the research field of asphalt-based materials in road engineering, in particular to a stirring and swelling machine for asphalt-based materials.

Background technique

Asphalt pavement has become the main structural type of high-grade highways in my country because of its good driving comfort and superior performance. With the rapid increase of traffic volume and driving speed, the axle load of freight vehicles continues to increase, which requires further improvement of asphalt pavement anti-flow performance, that is, the ability to resist rutting at high temperatures; improve flexibility and elasticity, that is, the ability to resist cracking at low temperatures; Wear resistance and extended service life, so the demand for high-performance bitumen-based materials is also increasing. Modified asphalt-based materials have been widely used for their good high temperature stability, low temperature crack resistance, aging resistance and good adhesion.

At present, when the asphalt-based materials are stirred in the laboratory, devices such as stirrers, jars, thermometers, and resistance furnaces are generally used to stir and swell the asphalt-based materials. Using this simple method tends to cause uneven heating of asphalt and aging. Using a thermometer to control the temperature is not accurate enough. When there is a lot of asphalt to be mixed and the laboratory personnel use a deep tank for mixing, the rotating blades are smaller and located The shallow position in the asphalt makes the mixing efficiency low and the mixing is very uneven. Due to the small depth of the tank, when the asphalt-based material is stirred at high speed, the asphalt is easy to splash out, causing danger.

Utility model content

The purpose of this utility model is to provide an asphalt-based material stirring and swelling machine to overcome the problems in the prior art. The utility model realizes efficient and convenient heating, heat preservation, and precise temperature control by improving the asphalt sample container, and prevents the asphalt from being stirred. Splash, through the improvement of the stirring device to achieve efficient and uniform stirring, adding a thread lifter to realize the convenient movement of the stirring device up and down, and precise control of the position.

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

A mixing and swelling machine for asphalt-based materials, including a lifting device, a motor is connected to the lifting device, a stirring device is connected to the output end of the motor, a sample container is arranged on the lower side of the stirring device, and a temperature control device is connected to the sample container; The stirring device includes a rotating rod connected to the output end of the motor. The rotating rod is provided with a connecting plate perpendicular to it and capable of moving up and down. The lower side of the connecting plate is evenly provided with a number of vertically downward rotating stirring rods. The bottom of the rotating rod is evenly There are several rotating blades.

Further, the motor is connected with a transmission for controlling its rotational speed.

Furthermore, a motor protection case is provided on the outside of the motor, and the lifting device is fixed to the motor protection case through a bracket.

Further, the lifting device includes a base on which a threaded vertical rod is fixed, a lifter is connected to the threaded vertical rod, and a handle for controlling its up and down movement is provided on the lifter, and the lifter is fixed to the motor protection shell through a bracket.

Further, the top of the threaded vertical rod is provided with a threaded rod top cover for preventing the lifter from falling off.

Further, the temperature control device includes an oil temperature machine, and the oil temperature machine is connected with the sample barrel through an oil inlet and an oil outlet provided on the sample barrel.

Further, the sample container has a double-layer structure, the outer layer is an insulating layer, and the inner layer is a heat-conducting layer. The heat-conducting layer is covered with a heating pipe, and the two ends of the heating pipe are respectively connected with the oil inlet and the oil outlet.

Further, the sample barrel is provided with a lid, and the middle part of the lid is provided with an opening through which the rotating rod can pass. The lid is also provided with an exhaust port. temperature of the first temperature sensor and the second temperature sensor.

Further, the sample bucket is cylindrical, and one side of the sample bucket is provided with a handrail.

Further, the rotating blades are arranged obliquely downward, and the included angle between the rotating blades and the horizontal plane is 30-60°.

Compared with the prior art, the utility model has the following beneficial technical effects:

The utility model realizes high-efficiency and convenient heating, heat preservation and precise temperature control by connecting a temperature control device on the sample barrel. A connecting plate perpendicular to it and capable of moving up and down is provided on the rotating rod. Rotate the stirrer vertically downwards. The bottom of the rotating rod is evenly equipped with several rotating blades to achieve efficient and uniform mixing. The stirring device can move up and down conveniently and precisely control the position through the lifting device.

Further, the motor is connected with a transmission for controlling its rotational speed, and the rotational speed of the motor can be adjusted by adjusting the transmission according to the viscosity and depth of the asphalt.

Further, the motor is protected by setting a motor protection case.

Furthermore, the lifting device is controlled by a threaded pole and a lifter, and the position control is more precise.

Further, the threaded rod top cover can prevent the motor from sliding and falling off vertically, so as to avoid accidents in the test.

Furthermore, the outer layer of the sample barrel has an oil inlet and an oil outlet connected to the heating conduit, and is externally connected to the oil temperature machine, so that heating and heat preservation can be realized through heat-conducting oil or heat-conducting steam.

Furthermore, a lid is provided on the sample container to prevent the asphalt-based material from splashing during mixing. At the same time, an exhaust port is provided to prevent the gas from being heated and expanding during heating, which may cause danger. In addition, two temperature sensors can be used to observe directly and conveniently. Temperature at various depths of asphalt.

Further, one side of the sample bucket is provided with a handrail, which facilitates the dumping of the asphalt-based material after stirring.

Furthermore, the rotating blades are arranged obliquely downward, and the included angle between the rotating blades and the horizontal plane is 30-60°, so that the stirring is more uniform and thorough.

Description of drawings

Fig. 1 is the overall schematic diagram of the utility model;

Fig. 2 is the local schematic diagram of stirring device of the present utility model;

Fig. 3 is the top view of the asphalt sample cylinder of the present utility model.

Among them, 1. base; 2. threaded vertical rod; 3. handle; 4. lifter; 5. threaded rod top cover; 6. motor protection shell; 7. motor; 8. transmission; Sample barrel; 11. First temperature sensor; 12. Exhaust port; 13. Second temperature sensor; 14. Oil inlet; 15. Oil outlet; 16. Connecting plate; 17. Rotating stirring rod; 18. Rotating blade ; 19, barrel cover; 20, opening; 21, heating conduit; 22, oil temperature machine; 23 handrail.

detailed description

Below in conjunction with accompanying drawing, the utility model is described in further detail:

Referring to Fig. 1 to Fig. 3, a new asphalt-based material stirring and swelling machine, the motor 7 is fixed on the lifter 4, the lifter 4 can move up and down on the threaded pole 2, the threaded pole 2 replaces the iron frame, and the lifter 4 can Moving up and down on the threaded vertical rod 2, the position of the motor 7 connected to the lifter 4 can be accurately controlled at the same time, and the threaded rod top cover 5 can avoid the vertical slip of the motor 7 and avoid accidents in the test. The motor 7 is connected, and the up and down movement of the motor 7 can be realized by the lifter 4. The motor 7 is connected with the transmission 8, and is used to determine the rotating speed of the rotating rod 9, the rotating blade 18 and the rotating paddle 17. The transmission 8 is a manual transmission, and the rotating rod 9 Connected to the output shaft of the motor 7, the rotating blades 18 are fixed on the end face of the rotating rod 9, the angle between each rotating blade 18 is 90°, one end of each rotating blade 18 is fixed to the rotating rod 9, and the rotating blades 18 are inclined Set downwards, the angle between the rotating blades 18 and the horizontal plane is 30-60°, each rotating paddle 17 is connected to the connecting plate 16 that can move up and down on the rotating rod 17, between each rotating paddle 17 Parallel to each other and vertically downward, in order to realize uniform mixing of asphalt-based materials with different depths and different viscosities, the cylindrical sample container 10 is located under the motor 7, and the rotating rod 9 can extend into the sample container 10 to hold the sample. The sample barrel 10 is connected with the oil temperature machine 22; the sample holding barrel 10 is used to hold the asphalt-based material sample that needs to be stirred, and has double layers, the outer layer is an insulating layer, and the inner layer is a heat-conducting layer that covers the heating pipe 21. The conduit 21 is connected to the oil temperature machine 22 through the oil inlet 14 and the oil outlet 15, so as to realize accurate heating and heat preservation of the asphalt. The effective diameter of the sample container 10 is 15 cm, and the height is 20 cm, which can meet the requirements of asphalt-based materials for testing. According to the application requirements, there is a bucket cover 19 on the sample bucket 10, and the bucket cover 19 can prevent the asphalt from splashing during the mixing process. The bucket cover 19 has two symmetrical half pieces, and there is a circular opening 20 in the middle after the two half pieces are combined together. , the size of the opening 20 can ensure that the rotating rod 9 enters the sample container 10, and one of the half pieces has an exhaust port 12, which can avoid the danger caused by the gas expansion during the stirring process of the asphalt-based material. At the same time, there are two symmetrical half pieces. Two temperature sensors, respectively the first temperature sensor 11 and the second temperature sensor 13, the first temperature sensor 11 is inserted into the middle and lower part of the asphalt, and the second temperature sensor 13 is inserted into the middle and upper part of the asphalt-based material, which can accurately and intuitively determine the difference of the asphalt-based material The temperature of the location.

The operating process of the present utility model is described in detail below:

1) Heating the solidified asphalt-based material, then weighing the required asphalt-based material and placing it in the cylindrical sample container 10, and the depth of the asphalt-based material cannot exceed the liquid limit height, because the inner wall will be stained with the asphalt-based material, when sampling More than 3-5g sample;

2) Weigh a certain modifier, admixture or admixture and add it into the cylindrical sample container 10, determine whether to put it into the rotating stirring rod 17 according to the depth of the asphalt and the size of the viscous force, and then fix it on the rotating rod 9 , inserted into the sample;

3) Cover the bung 19, open the exhaust port 12, and determine the insertion depth of the first temperature sensor 11 and the second temperature sensor 13 according to the depth of the sample;

4) The oil inlet 14 and the oil outlet 15 of the cylindrical sample container 10 are connected to the oil temperature machine 22, and the required temperature when the sample is stirred is set on the oil temperature machine 22;

5) When the temperature of the oil temperature machine 22 reaches the set value, start the motor 7, adjust the speed of the transmission 8, stir and swell the sample, and pay attention to the temperature on the first temperature sensor 11 and the second temperature sensor 13 at all times, and then adjust the The temperature set on the oil temperature machine 22 is fine-tuned;

6) After stirring and swelling for the required time, turn off the motor 7, pour out the sample, and proceed to the next test.

Claims (10)

1. A mixing and swelling machine for asphalt-based materials is characterized in that it comprises a lifting device, the lifting device is connected with a motor (7), the output end of the motor (7) is connected with a stirring device, and the lower side of the stirring device is provided with a sample bucket (10), the sample container (10) is connected with a temperature control device; the stirring device includes a rotating rod (9) connected to the output end of the motor (7), the rotating rod (9) is provided with a Moving connecting plate (16), the lower side of connecting plate (16) is evenly provided with some vertically downward rotating paddles (17), and the bottom of rotating rod (9) is evenly provided with some rotating blades (18). 2. A kind of asphalt-based material stirring and swelling machine according to claim 1, characterized in that, the motor (7) is connected with a speed changer (8) for controlling its rotating speed. 3. A mixing and swelling machine for asphalt-based materials according to claim 1, characterized in that a motor protection case (6) is provided outside the motor (7), and the lifting device is fixed to the motor protection case (6) through a bracket. 4. A kind of asphalt-based material stirring and swelling machine according to claim 3, characterized in that, the lifting device comprises a base (1), and the base (1) is fixed with a threaded vertical rod (2), and the threaded vertical rod (2) A lifter (4) is connected to the top, and the lifter (4) is provided with a handle (3) for controlling its up and down movement, and the lifter (4) is fixed with the motor protection shell (6) by a bracket. 5. A stirring and swelling machine for asphalt-based materials according to claim 4, characterized in that, the top of the threaded vertical rod (2) is provided with a threaded rod top cover (5) for preventing the lifter (4) from falling off. 6. A kind of asphalt base material stirring and swelling machine according to claim 1, is characterized in that, temperature control device comprises oil temperature machine (22), and oil temperature machine (22) is arranged on the sample bucket (10) by The oil inlet (14) and the oil outlet (15) are connected with the sample barrel (10). 7. A kind of asphalt-based material stirring and swelling machine according to claim 6, characterized in that, the sample container (10) is a double-layer structure, the outer layer is a thermal insulation layer, the inner layer is a heat-conducting layer, and the heat-conducting layer is coated There is a heating conduit (21), and the two ends of the heating conduit (21) communicate with the oil inlet (14) and the oil outlet (15) respectively. 8. A kind of asphalt-based material stirring and swelling machine according to claim 1, characterized in that, the sample bucket (10) is provided with a bung (19), and the middle part of the bung (19) is provided with a rotating rod (9) the opening (20) passing through, the bung (19) is also provided with an exhaust port (12), and the two sides of the bung (19) are interspersed with first temperature sensors ( 11) and the second temperature sensor (13). 9. A mixing and swelling machine for asphalt-based materials according to claim 1, characterized in that the sample container (10) is cylindrical, and one side of the sample container (10) is provided with a handrail (23). 10. A mixing and swelling machine for asphalt-based materials according to claim 1, characterized in that the rotating blade (18) is arranged obliquely downward, and the angle between the rotating blade (18) and the horizontal plane is 30-60° .