JP3184973U - Mixer hopper table - Google Patents

Abstract

A hopper table for a mixer truck that can reliably receive supply of cement and sand irrespective of the relative positional relationship between the mixer truck and a cement silo or an aggregate storage place.
SOLUTION: For a large number of sections set by removing the ground, a final disposal is performed in which each section is filled with a filling material kneaded with inorganic waste, cement, water, or heavy metal fixing agent, and compacted to form a compacted body. A hopper table 7 for a mixer truck that is mounted on a mixer truck used in the field and is connected to the drum 6 of the mixer truck has a diameter-expanding portion 7b that expands upward from a connecting portion 7a to the drum 6; And a circular opening 7c provided at the upper portion of the enlarged diameter portion 7b.
[Selection] Figure 3

Description

  The present invention relates to a hopper table for a mixer truck.

  Final disposal of waste that forms a compacted body by filling and compacting a solid material mixed with inorganic waste, cement, water, or heavy metal fixing agent for each of a number of sections set by removing the ground The place is known. The compacted body is formed by forming a waterproof coating layer by laminating mortar and crushed stone thereon, thereby preventing contact between the inorganic waste and rainwater, and rainwater of harmful substances contained in the inorganic waste. Can be prevented from elution.

  The mortar is prepared by kneading cement, sand as aggregate and water with a mortar kneading apparatus outside the final disposal site, and then transported to the final disposal site while being stirred by a mixer truck. As the mixer truck, one having a drum that stirs the mortar and a hopper that opens in a substantially D shape in plan view in order to put the mortar into the drum is known (for example, see Patent Document 1). ).

  However, if the mixer truck is delayed due to road conditions or the like, it may be difficult to obtain a desired amount of mortar at a desired time.

JP 2003-245918 A

  Therefore, a cement silo and an aggregate storage are provided in the final disposal site, and cement from the cement silo and sand from the aggregate storage are put into the drum of the mixer truck through the hopper, and water is further supplied. In addition, it is conceivable to prepare mortar by kneading with the drum.

  However, since the hopper is opened in a substantially D shape, it is difficult to supply cement or sand to the hopper depending on the relative positional relationship between the mixer truck and the cement silo or the aggregate storage site. There is an inconvenience.

  The present invention eliminates such inconvenience, and can reliably supply cement or sand regardless of the relative positional relationship between the mixer truck and the cement silo or aggregate storage. The purpose is to provide.

  The present invention is the final disposal for a large number of sections set by removing the ground, filling each area with a filling material kneaded with inorganic waste, cement, water or heavy metal fixing agent and compacting to form a compacted body. A hopper table for a mixer truck, which is mounted on a mixer truck used in a field and connected to a drum of the mixer truck, wherein the diameter-expanding section expands upward from the connection section with the drum, And a circular opening provided in the upper part of the head.

  In the hopper table for a mixer truck according to the present invention, since the opening has a circular shape, the cement silo or the aggregate storage place regardless of the relative positional relationship between the mixer truck and the cement silo or the aggregate storage place. Can be reliably supplied with cement and sand.

  By the way, since cement has a particle size as small as about 10 μm, there is a problem that it is likely to be scattered when being supplied from the cement silo to the mixer truck. Accordingly, it is conceivable to install a cement supply hood that covers the hopper table for the mixer truck at the tip of the supply pipe of the cement silo to prevent the cement from scattering. As the cement supply hood, a peripheral wall portion extending toward the mixer hopper table side, an end of the peripheral wall portion opposite to the mixer hopper table side are closed, and the supply pipe A thing provided with the ceiling part which has the opening part connected to a front-end | tip part can be considered.

  At this time, in order to increase the cement scattering prevention effect, in the hopper table for a mixer truck according to the present invention, the opening is thicker than the diameter-expanded section, and the upper end portion is the upper end surface of the mixer hopper table. It is preferable to constitute. In this case, when the upper end portion of the opening portion is brought into contact with the inner surface of the ceiling portion of the cement supply hood and the hopper table for the mixer truck is covered with the cement supply hood, the opening portion is thick. Therefore, it is possible to prevent a gap through which the cement can flow between the upper end surface of the hopper table for the mixer truck and the inner surface, and to more reliably prevent the cement from scattering.

The top view which shows many division set to the final disposal site of a waste. Explanatory drawing which shows a mode that mortar is sprayed on a compacting body at the final disposal site of a waste material. Explanatory drawing which shows the hopper table for mixer trucks of embodiment of this invention. Explanatory drawing which shows one use form of the hopper table for mixer trucks of embodiment of this invention. Explanatory drawing which shows the other usage pattern of the hopper table for mixer trucks of embodiment of this invention.

  Next, embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

  The waste final disposal site 1 shown in FIG. 1 includes a number of sections 2 set by removing the ground. In the final disposal site 1, as shown in FIG. 2, a compacted body 3 is formed by filling and compacting a bank material filled with inorganic waste, cement, water, or heavy metal fixing agent for each section 2. Thereafter, the mortar M and crushed stone are laminated on the compacted body 3 to form a waterproof coating layer (not shown), thereby preventing contact between the inorganic waste and rainwater. Prevents the release of harmful substances contained in rainwater.

  Each section 2 has a rectangular parallelepiped shape with a length of 8 m, a width of 6.8 m, and a height of 1.3 m, for example, and is arranged so that the height is along the vertical direction. The number of sections of the section 2 in the vertical direction is 15, for example. Therefore, in the final disposal site 1 for waste, a large number of sections 2 stacked in 15 layers, for example, are set in the horizontal direction in a grid pattern.

  The waterproof coating layer is formed by spraying and compacting mortar M on the compacted molded body 3 and further spraying and compacting crushed stone (not shown).

  The mixer truck 5 for preparing the mortar M includes a drum 6 for kneading cement, sand and water, a hopper table 7 provided above the rear of the vehicle, and a work table 8 provided around the hopper table 7. ing. The mixer truck 5 prepares the mortar M by kneading the cement, sand and water supplied to the drum 6 in the final disposal site 1 of the waste, and transports the mortar M to the vicinity of the section 2 while stirring. Then, it is supplied to the excavator 10 that spreads the mortar M on the compacted body 3.

  As shown in FIG. 3, the hopper table 7 of the mixer truck 5 includes a diameter-expanding portion 7 b that gradually increases in diameter upward from a connection portion 7 a with a charging port 11 that communicates with a drum 6 provided in the bottom portion. A circular opening 7 c provided on the upper portion of the diameter portion 7 b, and the upper end 7 d of the opening 7 c constitutes the upper end surface of the hopper table 7.

  Next, a method for supplying cement to the hopper table 7 of the mixer truck 5 will be described. As shown in FIG. 3, a supply pipe 13 is provided outside the cement silo 12 for feeding the cement to the drum 6 by pressure. A cement supply hood 14 as a covering member that covers the hopper table 7 is attached to the distal end portion of the supply pipe 13.

  The cement supply hood 14 includes a peripheral wall portion 15 extending to the hopper table 7 side, and a ceiling portion 16 that closes an end of the peripheral wall portion 15 opposite to the hopper table 7 side. It is attached to the tip of the supply pipe 13 via the tubular tube 17. The ceiling portion 16 is provided with an opening portion 18 connected to the distal end portion of the supply pipe 13.

  The cement supply hood 14 has an inner diameter of the ceiling portion 16 and an inner diameter of the peripheral wall portion 15 so that the upper end portion 7d of the hopper table 7 contacts the inner surface 16a of the ceiling portion 16 when the opening portion 7c of the hopper table 7 is covered. And height are set. In addition, a substantially U-shaped grip portion 19 is provided on the outer surface of the ceiling portion 16.

  In order to supply cement from the cement silo 12 to the drum 6 of the mixer truck 5, first, the mixer truck 5 is parked so that the hopper table 7 is positioned directly below the supply pipe 13 of the cement silo 12. Next, the hopper table 7 is covered with the cement supply hood 14 by moving the cement supply hood 14 and bringing the upper end 7 d of the hopper table 7 into contact with the inner surface 16 a of the ceiling 16. At this time, when the operator grips and operates the grip portion 19, the bellows-like tube body 17 expands and contracts to move the cement supply hood 14 to a desired position in a desired direction in the vertical and horizontal directions.

  Next, an on-off valve (not shown) provided in the middle of the supply pipe 13 is opened, and the cement is pumped from the cement silo 12 to the mixer truck 5 through the supply pipe 13.

  According to the hopper table 7 of the present embodiment, since the opening 7c has a circular shape, cement is reliably supplied to the hopper table 7 regardless of the relative positional relationship between the mixer truck 5 and the cement silo 12. can do.

  Further, since the hopper table 7 is covered with the cement supply hood 14 and the upper end 7d of the opening 7c is in contact with the inner surface 16a of the ceiling portion 16, the upper end 7d and the inner surface 16a There is no gap through which the cement can flow, and it is possible to reliably prevent the cement from scattering outside the hopper table 7.

  Further, since the upper end 7d of the opening 7c constitutes a thick upper end surface, the hopper table 7 has a cemented portion when the upper end 4d is brought into contact with the inner surface 16a of the ceiling portion 16 of the cement supply hood 14. The supply hood 14 can be stably supported.

  Next, a method for supplying sand as aggregate to the hopper table 7 of the mixer truck 5 will be described. When supplying sand as aggregate from the aggregate storage area, it may be directly supplied to the hopper table 7 by the excavator 10 or the like, but the hopper table 7 is provided at a high position above the rear of the vehicle. By using the mixer input aggregate hopper 21 shown in FIG. 4, the hopper table 7 can be reliably supplied.

  The mixer vehicle aggregate input hopper 21 is used to input sand as aggregate from the hopper table 7 of the mixer vehicle 5 to the drum 6 and is a quadrangular pyramid that gradually decreases in diameter from the top to the bottom. A main body 22 made of a solid body and a base 23 for supporting the main body 22 at a position higher than the hopper table 7 of the mixer truck 5 are provided. The main body 22 is provided with an opening 24 at the top and an input port 25 that opens at the tip of the quadrangular pyramid. The inlet 25 is formed smaller than the opening 7c of the hopper table 7.

  When sand is supplied to the mixer truck 5 using the aggregate input hopper 21 for the mixer truck, the mixer truck 5 is first parked so that the hopper table 7 is positioned directly below the input port 25. Next, the sand is transported from an aggregate storage place (not shown) by a power shovel or the like, and the sand is supplied from the opening 24 opened to the upper part of the main body 22. In this case, the main body 22 is formed of a quadrangular pyramid that gradually decreases in diameter from the top to the bottom, so that the sand is guided by the quadrangular pyramid to the input port 25 and falls from the input port 25 to be mixed with the mixer. It is thrown into the hopper table 7 of the car 5.

  According to the hopper table 7 of the present embodiment, since the opening 7c is circular, regardless of the relative positional relationship between the mixer vehicle 5 and the aggregate input hopper 21 for the mixer vehicle, Cement can be reliably supplied.

  Further, the mixer vehicle hopper table 7 of the present invention may be used for the mixer vehicle aggregate charging hopper 31 shown in FIG. 5 instead of the mixer vehicle aggregate charging hopper 21.

  The mixer vehicle aggregate input hopper 31 is used to input sand as aggregate from the hopper table 7 of the mixer vehicle 5 to the drum 6, and has a cylindrical main body 32 and a lower part of the main body 32. And a conical body 33 connected thereto. The main body 32 includes an opening 34 at the top, and four inverted U-shaped suspension members 35 are provided at the edges of the opening 34 at equal intervals.

  Further, the conical body 33 is provided with a charging port 36 that gradually decreases in diameter from the main body 32 downward and opens at the tip. A damper member 37 is provided at the inlet 36, and the damper member 37 is rotated by a lever 38 provided outside so that the inlet 36 can be opened and closed.

  Further, the aggregate input hopper 31 for the mixer truck includes a connection member 39 that is fitted on the hopper table 7 of the mixer truck 5 on the outer peripheral side of the input port 36. The connection member 39 is supported by the main body 32 by a plurality of support members 40.

  When sand is supplied to the mixer truck 5 using the mixer input hopper 31, the sand is first supplied from the opening 34 by the shovel car 10 or the like in the aggregate storage place provided in the final disposal site 1. .

  When the sand is put into the aggregate input hopper 31 for the mixer truck, the wire 41 as a suspension member is inserted into the suspension member 35 and lifted by the shovel car 10, a crane or the like, and the input port 36 is connected to the mixer truck. 5 above the hopper table 7. Then, the aggregate input hopper 31 for the mixer truck is placed on the hopper table 7 by fitting the connecting member 39 to the hopper table 7.

  Next, when the operator operates the lever 38 from the work table 8 of the mixer truck 5 to operate the damper member 37 and open the insertion port 36, it is accommodated in the aggregate input hopper 31 for the mixer truck 5. The sand is put into the drum 6 through the hopper table 7 of the mixer truck 5.

  According to the hopper table 7 of the present embodiment, since the opening 7c is circular, regardless of the relative positional relationship between the mixer vehicle 5 and the aggregate input hopper 31 for the mixer vehicle, the hopper table 7 is moved to. Cement can be reliably supplied.

  In this embodiment, the case where sand is supplied to the hopper table 7 as an aggregate to the mixer truck 5 using the aggregate input hopper 21 for the mixer truck or the aggregate input hopper 31 for the mixer truck is described. It can also be applied when supplying gravel. In the case of supplying gravel as an aggregate, the diameter of the expanded portion 7b of the hopper table 7 is thicker than the normal thickness. Therefore, the inlet 25 of the mixer input hopper 21 for the mixer truck or the mixer truck is used. It can withstand the impact of gravel falling from the inlet 36 of the aggregate input hopper 31 and prevent breakage.

  DESCRIPTION OF SYMBOLS 1 ... Final disposal site of processed material, 2 ... Compartment, 3 ... Compacted compact, 5 ... Mixer car, 6 ... Drum, 7 ... Mixer car hopper table (hopper table), 7a ... Connection part, 7b ... Diameter expansion part 7c: opening, 7d: upper end of the opening.

Claims (2)

It is used in the final disposal site where a large number of sections set by removing the ground are filled with a filling material kneaded with inorganic waste, cement and water or heavy metal fixing agent for each section and then compacted to form a compacted body. A hopper table for a mixer truck mounted on a mixer truck and connected to a drum of the mixer truck,
A diameter-expanding portion that expands upward from the connecting portion with the drum;
A hopper table for a mixer truck, comprising: a circular opening provided at an upper portion of the enlarged diameter portion. The hopper table for a mixer truck according to claim 1,
The mixer opening hopper table is characterized in that the opening is thicker than the diameter-expanded portion, and the upper end constitutes the upper end surface of the mixer hopper table.

Images