CN211837538U - Asphalt heating device - Google Patents

Abstract

The utility model relates to a pitch processing field especially relates to a pitch heating device, carry out the stirring unit that stirs including heating jar with being arranged in to the pitch of heating jar, the bottom of heating jar is rotated and is connected with the carousel, and the carousel is located and is equipped with the stirring piece on the inside side of heating jar, is equipped with on the heating jar to be used for driving carousel pivoted drive unit. This scheme has improved the stirring dynamics of the pitch of heating tank bottom.

Description

Asphalt heating device

Technical Field

The utility model relates to a pitch processing field especially relates to a pitch heating device.

Background

Asphalt is a waterproof, moistureproof and anticorrosive organic cementing material and is widely applied to road construction. When the asphalt is used, the asphalt needs to be heated to soften the asphalt, and after the asphalt is heated, a certain additive needs to be added into the asphalt to improve the performance of the asphalt, such as adhesion, durability and the like.

Present pitch heating device is used for heating pitch including heating the jar, is equipped with the puddler in the heating jar, rotates through making the puddler to make the in-process to pitch heating stir, can make pitch heating while stirring, do benefit to and make pitch thermally equivalent, admixture and pitch mix comparatively evenly.

However, the current asphalt heating device has the following disadvantages: 1. the stirring rod can only stir the asphalt in the middle of the heating tank, the stirring force applied to the asphalt at the bottom of the heating tank is small, and the stirring force of the asphalt at the bottom of the heating tank needs to be further improved; 2. at present, the number of the stirring rods in the heating tank is mostly one, and the number of the stirring rods in the heating tank is mostly one, so that the stirring range of the stirring rods is limited, and the stirring uniformity of the asphalt still needs to be further improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pitch heating device to improve the stirring dynamics of the pitch of heating tank bottoms portion.

In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides an asphalt heating device, includes the heating jar and is arranged in carrying out the stirring unit that stirs to the pitch in the heating jar, and the bottom of heating jar is rotated and is connected with the carousel, and the carousel is equipped with the stirring piece towards being equipped with in the inboard one side of heating jar, is equipped with on the heating jar to be used for driving carousel pivoted drive unit.

The working principle and the effect of the scheme are as follows: the heating tank is used for containing asphalt and heating the asphalt, and the stirring unit is used for heating the asphalt in the heating tank. The drive unit is used for driving the carousel to rotate, when the carousel rotated, stirring piece on the carousel stirred the pitch of heating bottom of the tank portion, improved the stirring dynamics to the pitch of heating bottom of the tank portion, the pitch at heating tank middle part is stirred by stirring unit like this, the pitch of heating bottom of the tank portion is stirred by stirring piece, it is more even that pitch stirs under the combined action of stirring unit and stirring piece, more be favorable to making pitch thermally equivalent, additive and pitch mix more evenly.

Further, the stirring unit includes agitator motor and puddler, and the coaxial fixed connection of puddler is on agitator motor's output shaft. From this, agitator motor drives the puddler and rotates, and the puddler stirs the pitch in the heating tank. The puddler is driven by stirring unit alone in this scheme, and the stirring power of puddler is great.

Further, the stirring unit includes a plurality of stirring shafts on the turntable. Therefore, when the turntable rotates, the turntable drives the stirring shafts to revolve around the axis of the turntable, and the stirring shafts stir the asphalt in the heating tank. The quantity of (mixing) shaft has a plurality ofly in this scheme, so stir when the pitch in the heating tank can receive a plurality of (mixing) shafts for the stirring effect of pitch is better. In addition, the scheme does not need to separately set the stirring motor to drive the stirring shaft to rotate, so that the manufacturing cost of the device is lower.

Furthermore, the stirring unit also comprises a straight gear and a fixed gear ring, the stirring shaft is rotatably connected to the turntable, the bottom end of the stirring shaft is positioned below the turntable, and the straight gear is fixedly connected to the bottom end of the stirring shaft and meshed with the gear ring. From this, when the carousel rotated, the carousel drove the (mixing) shaft and revolves around the axial lead of carousel, and simultaneously, spur gear and ring gear meshing, the spur gear rolled on the ring gear, and the spur gear drives the (mixing) shaft rotation, and the axial lead revolution of (mixing) shaft carousel had both revolved around the axial lead of carousel like this, and the (mixing) shaft is the rotation again, and the (mixing) shaft multi-angle stirring makes the stirring effect of (mixing) shaft improve once more like this.

Further, the driving unit comprises a driving motor, a driving gear is fixedly connected to an output shaft of the driving motor, teeth are arranged on the circumferential side face of the rotary table, the teeth on the circumferential side face of the rotary table are meshed with the driving gear, and the diameter of the rotary table is larger than that of the driving gear. From this, driving motor drives drive gear and rotates, and drive gear drives the carousel and rotates through the tooth meshing with on the circumference side of carousel. Because the tooth meshing on drive gear and the carousel in this scheme, so the linear velocity of drive gear and carousel equals, because the diameter of carousel is greater than drive gear's diameter, so the angular velocity of carousel is less than drive gear's angular velocity to realize the speed reduction function, the rotation angular velocity of carousel is less, and the rotational speed of carousel can not be too fast, can carry out stable stirring to the pitch in the heating tank.

Furthermore, an annular supporting seat is arranged below the heating tank, and a supporting rod is fixedly connected to the bottom of the supporting seat. The bracing piece is used for supporting the supporting seat, and the supporting seat is used for supporting the carousel, avoids the carousel to be in unsettled state for the carousel rotates comparatively stably.

Furthermore, all be equipped with the ring channel on the top surface of carousel and the bottom surface, all be equipped with annular sand grip on the top surface of supporting seat and the bottom surface of heating jar, sand grip sliding connection is in the ring channel. From this, realized the rotation of carousel between supporting seat and heating jar through the cooperation of sand grip and ring channel. The raised line is arranged in the annular groove, and plays a role in guiding and positioning the rotation of the turntable.

Furthermore, the gear ring is fixedly connected to the support rod. Thereby, the fixation of the ring gear is achieved.

Furthermore, a plurality of through holes are arranged on the rotating disc, the stirring shaft is rotatably connected in the through holes, and a bearing is connected between the through holes and the stirring shaft. Therefore, the stirring shaft is rotatably connected in the through hole through the bearing, so that the stirring shaft can rotate more smoothly.

Further, the top of heating jar is equipped with the lid, is equipped with the feed inlet on the lid, is equipped with the discharge gate on the bottom of heating jar. The lid is arranged in the lid to cover on heating jar, and the feed inlet is convenient for add the heating jar with pitch in, and the discharge gate is convenient for discharge the pitch in the heating jar.

Drawings

FIG. 1 is a front partial sectional view of an asphalt heating apparatus according to example 1;

FIG. 2 is a top view of the turntable of FIG. 1;

FIG. 3 is a front partial sectional view of an asphalt heating apparatus according to example 2;

fig. 4 is a top view of the turntable of fig. 3.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the electric heating kettle comprises a cover 1, an electric heating wire 2, a heating tank 3, a cavity 4, a driving motor 5, a driving gear 6, a supporting rod 7, a supporting seat 8, a rotary table 9, a stirring block 10, a discharging port 11, an annular groove 12, a feeding port 13, a stirring motor 14, a stirring rod 15, a stirring shaft 16, a gear ring 17, a straight gear 18 and a through hole 19.

Example 1

Substantially as shown in figures 1-2 of the accompanying drawings: an asphalt heating device comprises a frame, a heating tank 3 and a stirring unit for stirring asphalt in the heating tank 3. The heating tank 3 is fixed on the frame through screws, the top of the heating tank 3 is covered with a cover 1 through threads, a feeding hole 13 is formed in the cover 1, and a discharging hole 11 is formed in the bottom of the heating tank 3. The stirring unit in this embodiment includes puddler 15 and fixes agitator motor 14 on lid 1 through the screw, is equipped with the hole on lid 1, and the top of puddler 15 passes the hole and through parallel key coaxial coupling on agitator motor 14's output shaft, is equipped with a plurality of stirring vane on the puddler 15. A supporting seat 8 and a supporting rod 7 are arranged below the heating tank 3, and the top end of the supporting rod 7 is welded on the bottom of the supporting seat 8. The bottom of heating jar 3 rotates between 8 with the supporting seat to be connected with carousel 9, and specific rotation connected mode is: referring to fig. 2, annular grooves 12 are formed in the top and bottom surfaces of the rotary table 9, annular protruding strips are formed in the top surface of the support base 8 and the bottom surface of the heating tank 3, and the protruding strips are located in the annular grooves 12, so that the rotary table 9 can slide in the annular grooves 12, and the rotary table can rotate between the heating tank 3 and the support base 8.

A plurality of stirring blocks 10 are welded on the side surface of the turntable 9 positioned in the heating tank 3, and a driving unit for driving the turntable 9 to rotate is arranged on the heating tank 3. The driving unit in the embodiment comprises a driving motor 5, the driving motor 5 is fixed on the heating tank 3 through a screw, a driving gear 6 is coaxially connected to an output shaft of the driving motor 5 through a flat key, teeth are arranged on the circumferential side surface of the rotary table 9, the teeth on the circumferential side surface of the rotary table 9 are meshed with the driving gear 6, and the diameter of the rotary table 9 is larger than that of the driving gear 6. The diameter of the turntable 9 in this embodiment is 1m, the diameter of the driving gear 6 is 25cm, and the height of the heating tank 3 is 1 m. The heating mode of heating jar 3 is electrical heating, and is concrete, is equipped with cavity 4 on the lateral wall of heating jar 3, is equipped with heating wire 2 in the cavity 4, generates heat through heating wire 2, and the heat transmits the pitch for in heating jar 3 through the heat transfer to realized heating the pitch in heating jar 3. The heating tank 3 is provided with a switch for controlling the electric heating wire 2.

The specific implementation process is as follows: asphalt and additives are added into the heating tank 3 through the feeding hole 13, then the heating wire 2 is electrified, the heating wire 2 heats the asphalt, the driving motor 5 and the stirring motor 14 are started, and the stirring motor 14 drives the stirring rod 15 to stir the asphalt in the heating tank 3. Simultaneously, driving motor 5 drives drive gear 6 and rotates, drive gear 6 rotates through with the tooth meshing drive carousel 9 on the carousel 9, when carousel 9 rotates, stirring block 10 on the carousel 9 stirs the pitch of heating jar 3 bottoms, thereby the stirring dynamics to the pitch of heating jar 3 bottoms has been improved, the pitch at heating jar 3 middle parts is stirred by puddler 15 like this, the pitch of heating jar 3 bottoms is stirred by puddler 10, it is more even that pitch stirs under puddler 15 and the combined action of puddler 10, more be favorable to making pitch thermally equivalent, admixture and pitch mix more evenly.

Example 2

Referring to fig. 3 and 4, this embodiment provides a stirring unit with different structures, where the stirring unit includes a plurality of stirring shafts 16 located on the turntable 9, a spur gear 18 and a ring gear 17 welded on the support rod 7, the ring gear 17 is the ring gear 17, that is, teeth on the ring gear 17 are located on an inner wall of the ring gear 17, the number of the stirring shafts 16 in this embodiment is four, the support seat 8 is annular, the stirring shaft 16 is rotatably connected to the turntable 9, specifically, four through holes 19 are provided on the turntable 9, the bottom end of the stirring shaft 16 passes through the through hole 19, the support seat 8 is located below the support seat 8, and a bearing is connected between the stirring shaft 16 and the through hole 19, so that the stirring shaft 16 can rotate more smoothly on the turntable. A spur gear 18 is coaxially welded on the bottom end of the stirring shaft 16, and the spur gear 18 is engaged on the gear ring 17. A plurality of stirring blades are welded on the stirring shaft 16.

From this, when carousel 9 rotated, carousel 9 drove (mixing) shaft 16 around the revolution of the vertical axial lead of carousel 9, and simultaneously, spur gear 18 and ring gear 17 meshing, spur gear 18 rolled on ring gear 17 inner wall, and spur gear 18 drives (mixing) shaft 16 rotation, and (mixing) shaft 16 both revolves around the axial lead of carousel 9 like this, and (mixing) shaft 16 is rotation again, and (mixing) shaft 16 multi-angle stirring like this for the stirring effect of (mixing) shaft 16 improves once more.

Example 3

In the present embodiment, a vibrator (not shown) is fixed to the side wall of the discharge port 11 by a screw, so that the discharge port 11 can be prevented from being blocked during discharging by vibration of the vibrator, thereby facilitating discharging.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the present invention and the practicability of the patent. The technology, shape and construction parts which are not described in the present invention are all known technology.

Claims (10)

1. The utility model provides an asphalt heating device, includes heating tank and the stirring unit that is used for stirring the pitch in the heating tank which characterized in that: the bottom of heating jar rotates and is connected with the carousel, is equipped with the stirring piece on the inboard one side of carousel orientation heating jar, be equipped with on the heating jar and be used for driving carousel pivoted drive unit.

2. An asphalt heating apparatus according to claim 1, wherein: the stirring unit comprises a stirring motor and a stirring rod, and the stirring rod is coaxially and fixedly connected to an output shaft of the stirring motor.

3. An asphalt heating apparatus according to claim 1, wherein: the stirring unit comprises a plurality of stirring shafts positioned on the rotating disc.

4. An asphalt heating apparatus according to claim 3, wherein: the stirring unit further comprises a straight gear and a fixed gear ring, the stirring shaft is rotatably connected to the rotary table, the bottom end of the stirring shaft is located below the rotary table, and the straight gear is fixedly connected to the bottom end of the stirring shaft and meshed with the gear ring.

5. An asphalt heating apparatus according to any one of claims 1 to 4, wherein: the drive unit comprises a drive motor, a drive gear is fixedly connected to an output shaft of the drive motor, teeth are arranged on the circumferential side face of the rotary disc, the teeth on the circumferential side face of the rotary disc are meshed with the drive gear, and the diameter of the rotary disc is larger than that of the drive gear.

6. An asphalt heating apparatus according to claim 4, wherein: the heating tank is provided with an annular supporting seat below, and the bottom of the supporting seat is fixedly connected with a supporting rod.

7. An asphalt heating apparatus according to claim 6, wherein: all be equipped with the ring channel on the top surface of carousel and the bottom surface, all be equipped with annular sand grip on the top surface of supporting seat and the bottom surface of heating jar, sand grip sliding connection is in the ring channel.

8. An asphalt heating apparatus according to claim 6, wherein: the gear ring is fixedly connected to the support rod.

9. An asphalt heating apparatus according to claim 4, wherein: the turntable is provided with a plurality of through holes, the stirring shaft is rotatably connected in the through holes, and a bearing is connected between the through holes and the stirring shaft.

10. An asphalt heating apparatus according to claim 1, wherein: the top of heating jar is equipped with the lid, is equipped with the feed inlet on the lid, be equipped with the discharge gate on the bottom of heating jar.

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