JP2572737Y2 - Transport device for asphalt mixture - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for transporting asphalt mixture used for temporarily storing a heated asphalt mixture produced in an asphalt plant or an asphalt regeneration plant in a silo for storing the mixture. .

[0002]

2. Description of the Related Art Conventionally, as such a transfer apparatus, a transfer bucket is provided below an asphalt mixing mixer at the final part of an asphalt plant, and this bucket is moved to an upper part of a silo for storing asphalt mixture, and transferred from this position. A structure in which heated asphalt is dropped into a storage silo is known.

[0003] With such a transport device, a predetermined amount of heated asphalt mixture can always be ensured in the storage silo, and stable supply to the construction site is possible.

[0004] By the way, the biggest problem in such a device for transporting asphalt mixture is that the temperature of the manufactured asphalt mixture decreases during transportation, and as a result, the asphalt mixture tends to adhere to the transport bucket. is there.

[0005]

In order to solve such a problem, heavy oil for preventing asphalt mixture adhering has conventionally been sprayed on the transport bucket, and the temperature of the fuel oil is slightly reduced due to the effect of removing the heavy oil. This can also prevent the asphalt mixture from adhering to the bucket.

[0006] However, such heavy oil spraying not only scatters in a strong wind and contaminates peripheral equipment, and is also a cause of environmental pollution. In addition, the sprayed heavy oil is mixed into asphalt mixture to cause quality deterioration. There is also the problem of fire risk of heavy oil itself.

[0007] The problem to be solved by the present invention is to provide a transport device capable of effectively preventing asphalt mixture from adhering to a transport bucket without using heavy oil having the various problems described above. It is in.

[0008]

SUMMARY OF THE INVENTION In order to solve the above-described problems, the present invention is incorporated in an asphalt plant, an asphalt regeneration plant, or the like, and transports the manufactured heated asphalt mixture to a storage silo by a transport bucket. An apparatus for transporting a mixture, wherein an electric heater for preventing asphalt mixture from adhering to the bucket body is provided on the transport bucket body , and a heat insulating material is provided on an outer periphery thereof.

Here, a heating means is provided with a temperature control mechanism,
The contact surface with the asphalt mixture in the transport bucket is
It is desirable that the temperature is always kept at an appropriate temperature of 130 ° C. to 150 ° C.

[0010]

The bucket is heated by the heating means provided on the bucket for preventing the asphalt mixture from adhering, so that the temperature of the asphalt mixture is prevented from lowering during the transportation and does not adhere to the transport bucket.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The features of the present invention will be specifically described below with reference to the embodiments shown in the drawings.

FIG. 1 is a front view of an asphalt mixture conveying device showing an embodiment of the present invention. In the figure, 1 is a mixer provided at the last part of the asphalt plant, 2 is a horizontal trolley attached to the lower part of the mixer 1 for horizontally moving the manufactured asphalt mixture, and 3 is a receiving trolley from the transport bucket 6 of the horizontal trolley 2. This is a skip conveyor that conveys the asphalt mixture passed upward. 4 is an upper trolley for horizontally moving the asphalt mixture transported by the transport bucket 7 of the skip conveyor 3 and further horizontally by the transport bucket 8; 5 is a silo provided in duplicate to temporarily store the asphalt mixture produced. is there.

As shown in the schematic view of FIG. 2, the horizontal trolley 2 is provided with a rail 9 for supporting the transport bucket 6 so as to be able to move horizontally.
It has. The transport bucket 6 has an opening 6b at the lower end.
And an opening / closing gate 6c capable of remotely opening and closing the opening 6b. An electric heater 10 as heating means is provided on the outer periphery of the main body 6a and the opening / closing gate 6c. Is provided with a heat insulating material 12. The electric heater 10 is provided with a temperature controller 11 for heating the bucket 6 to a set temperature. The electric heater 10 of the horizontally moving transport bucket 6 is constantly powered by a cable 15 attached to a cable pulley 14 of a messenger wire 13. Is supplied.

Although not shown, the upper trolley 4 also has a mechanism similar to that of the horizontal trolley 2 described above.

FIG. 3 is a schematic view of a main part of the skip conveyor 3, and FIG.
Similarly to the horizontal trolley 2 shown in FIG. 1, an electric heater 10 having a temperature controller 11 is attached, and a heat insulating material 1 is provided outside the electric heater 10.
2 are provided. Reference numeral 16 denotes a pantograph for supplying electric power to the electric heater 10, and a sled member 16 a at the tip contacts a cable 17 arranged side by side on a rail of the skip conveyor 3 in a pressed state, and extends from the lower end to the upper end position of the skip conveyor 3. Supply power continuously.

In the above configuration, a heated asphalt mixture produced in an asphalt plant is first supplied from the mixer 1 to the transport bucket 6 of the horizontal trolley 2.
At that time, the bucket 6 is disposed immediately below the outlet of the mixer 1. Further, as shown in FIG. 1, the transport bucket 6 moves horizontally to the left end position of the rail 9, opens the opening / closing gate 6c, and the asphalt mixture is delivered to the transport bucket 7 of the skip conveyor 3. The transport bucket 7 is lifted up to the upper part of the silo 5 by winding a winch (not shown). Next, the transport bucket 7 is inverted,
The asphalt mixture is delivered to the transport bucket 8 of the upper trolley 4. The transport bucket 8 is horizontally moved to the top of any of the silos 5 as appropriate according to the type of the mixture, the storage amount of the silo 5 and the like, the opening / closing gate 8a is opened, and the asphalt mixture is dropped into the silo 5 for storage. I do. When transporting the asphalt mixture, each transport bucket 6,
7 and 8 are heated by the electric heater 10 to such an extent that the asphalt mixture does not adhere to the bucket. The silo 5 is provided with a silo heating plate (not shown) for preventing the temperature of the stored asphalt mixture from dropping, and an opening gate 5a which can be opened and closed only when the asphalt mixture is dropped is provided at the upper part. ing. The temporarily stored asphalt mixture passes through the measuring gate 5b and the measuring hopper 5c at the lower end of the silo 5, and is appropriately loaded on a dump truck or the like.

As described above, the transport device for asphalt mixture according to the present embodiment includes the electric heater 1 in the transport buckets 6, 7, and 8 in which the heated asphalt mixture is placed and transported.
0, and a heat insulating material is provided on the outer periphery to prevent the temperature from dropping. Therefore, the heated asphalt mixture can be transported to the storage silo 5 without lowering the temperature thereof, and the asphalt mixture does not adhere to the inner surfaces of the buckets 6, 7, and 8.

[0018]

[Effects of the Invention] As described above, the transport device for asphalt mixture of the present invention has the same structure as the transport bucket body.
Electric heater to prevent asphalt mixture from adhering
Is provided and the heat insulating material is provided on the outer periphery thereof , so that it is not necessary to spray heavy oil for preventing the asphalt mixture from adhering as in the related art. For this reason, without the risk of quality deterioration of asphalt mixture, pollution of the environment and fire of heavy oil itself,
The temperature of the asphalt mixture conveyed can be prevented from lowering, and the asphalt mixture can be effectively prevented from adhering to the bucket.

[Brief description of the drawings]

FIG. 1 is a front view of an asphalt mixture conveying device according to an embodiment of the present invention.

FIG. 2 is a schematic view of a main part of a horizontal trolley.

FIG. 3 is a schematic view of a main part of a skip conveyor.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Mixer 2 Horizontal trolley 3 Skip conveyor 4 Upper trolley 5 Storage silo 6,7,8 Conveyance bucket 9 Rail 10 Electric heater 11 Temperature controller 12 Insulation material 13 Messenger wire 14 Cable pulley 15 Cable 16 Pantograph 16a Sled member 17 Cable

Claims (1)

(57) [Scope of request for utility model registration] 1. A transport device for asphalt mixture, which is incorporated in an asphalt plant, an asphalt regeneration plant, or the like, and transports the produced heated asphalt mixture to a storage silo by a transport bucket, wherein the transport bucket body includes the bucket. An asphalt mixture transport device , comprising: an electric heater for heating the asphalt mixture, for preventing the adhesion of the asphalt mixture , and a heat insulating material provided on an outer periphery thereof .