JP2006088417A - Ready-mixed concrete supply apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a ready-mixed concrete supply apparatus capable of accurately grasping the supply amount of ready-mixed concrete to the desired place of the civil-engineering or building spot by the ready-mixed concrete trader on the spot. <P>SOLUTION: A flowmeter 8 is provided to the ready-mixed concrete discharge line of a mixing means 6 for mixing at least cement, aggregate and water to confirm the discharge amount (supply amount) of ready-mixed concrete on the basis of a numerical value through the flowmeter 8. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a ready-mixed concrete supply device that supplies ready-mixed concrete transported to a civil engineering or construction site to a desired location.

  In general, at a site where ready-mixed concrete such as civil engineering or construction sites is placed, a ready-mixer lays a vehicle equipped with a ready-mixed supply device on the site, and supplies the required amount of ready-mixed concrete from the ready-mixed supply device to a desired location via a hose. Supply.

  After the ready-mixed concrete is supplied, the vehicle is returned to the ready-mixed concrete replenishment office, a vehicle equipped with a ready-mixed concrete supply device is placed on the weighing device, and the weight B is measured. Calculate the amount of ready-mixed concrete supplied on-site by subtracting the above-mentioned weight B from the weight A (the weight of the vehicle with cement, aggregate, and water mounted on the ready-mixed concrete supply device) measured in step 1, and supply the calculated amount. The cost is charged to the supplier of ready-mixed concrete as (weight C).

  However, some ready-mixers have illegally loaded a large amount of water on the above-mentioned vehicles, supply ready-mixed concrete as usual at the ready-mixed concrete supply site, return to the ready-mixed concrete replenishment office, and weigh the vehicle. When draining, the above-mentioned water mounted on the vehicle is discharged, the vehicle is placed on the weighing device, the weight D is measured, and the weight A before the ready-mixed concrete is supplied (including the incorrect water weight) A fraud that charges the cost by inflating the supply amount, such as charging the cost to the supply destination as the supply amount of the ready-mixed concrete (weight E> weight C), is obtained by subtracting the weight E from the weight D. There are cases.

  As described above, the current raw food supply device and the method for supplying and measuring ready concrete have not been able to prevent the above-described fraud.

In addition, the following literature is illustrated as a reference literature regarding this invention.
JP 2000-64611 A JP 2000-145145 A

  The present invention has been developed in view of the current situation as described above. The purpose of the present invention is to accurately grasp the supply amount of ready-mixed concrete to a civil engineering or construction site by a ready-mixer on site. An object of the present invention is to provide a ready-mixed concrete supply device that can prevent unauthorized charges of supply costs.

  In order to effectively achieve the above object, the present invention is configured as follows. That is, in the present invention according to claim 1, the ready-mixed concrete supply device is provided with a flow meter in a ready-mixed concrete discharge line of a mixing means that mixes at least cement, aggregate, and water, The configuration is such that the numerical value can be confirmed via the flow meter.

  Moreover, the ready-mixed concrete supply apparatus according to the second aspect of the present invention is carried out by a first storage tank for storing cement and aggregate, an unloading apparatus for unloading cement and aggregate from the storage tank, and an unloading apparatus. A second storage tank for temporarily storing cement and aggregate, a mixing apparatus for mixing cement and aggregate discharged from the second storage tank, and water, and ready-mixed concrete discharged from the mixing apparatus are stored. A raw concrete storage tank, an electromagnetic flow meter that measures the supply amount of the ready-mixed concrete that is discharged from the ready-mixed concrete storage tank and supplied to the desired location, and numerically confirms it, and sucks ready-mixed concrete from the ready-mixed concrete storage tank. And a pump for pumping.

  Moreover, the ready-mixed concrete supply device of the present invention according to claim 3 is the ready-mixed concrete supply device according to claim 1 or 2, wherein the flow meter is connected to the communication terminal device or the communication terminal device with a printer via a current output line. It is the structure characterized by having connected.

  In the ready-mixed concrete supply apparatus of the present invention, the amount of ready-mixed concrete supplied from a ready-mixer at a construction site or the like can be accurately grasped on the site of the consumer or away from the site. Therefore, it is possible to cope with a monetary charge for a one-sided improper amount of ready-mixed concrete supplied from a ready-mixer.

  Further, by connecting the communication terminal device or the communication terminal device with a printer to the flow meter via the current output line, the amount of ready-mixed concrete supplied can be confirmed even at a location away from the site. Also, by printing the above-mentioned supply amount etc. with a printer, the supply amount can be left on paper, and if the amount of ready-mixed concrete supply is requested later by the ready-mixer, the amount charged It is possible to confirm whether the product is right or wrong, and to prevent illegal billing by the raw control company.

The best mode for carrying out the present invention will be described below with reference to the drawings.
FIG. 1 and FIG. 2 are diagrams relating to a ready-mixed concrete supply apparatus according to the present invention. The vehicle 2 is transported, and the vehicle 2 is laid on the site to supply ready-mixed concrete to a desired site on the site via a hose or the like.

  The ready-mixed concrete supply device 1 includes a first storage tank 3, a carry-out device 4, a second storage tank 5, a mixing device 6, a ready-mixed concrete storage tank 7, an electromagnetic flow meter 8, and a pump (not shown).

  The 1st storage tank 3 is a tank of the vertical cross-section inverted triangle shape which stores cement and an aggregate, Comprising: The screw conveyor 10 is provided in the center bottom part inside. The screw conveyor 10 is rotationally driven by a driving device 11 provided outside the first storage tank 3 to carry out the cement and aggregate in the first storage tank 3 to the outside. In addition, the lower part of the 1st storage tank 3 is formed in a cone shape, a lower end part is opened, an opening-and-closing partition valve is provided, this opening-and-closing partition valve is opened and closed, and cement etc. in the 1st storage tank 3 are discharged | emitted. May be.

  The carry-out device 4 is a screw conveyor device in the example shown in the figure, and is a second tank composed of a small tank that once transports the cement discharged from the first storage tank 3 upward and is provided downward from the upper discharge port 12. This is put into the storage tank 5.

  A screw conveyor (not shown) is also provided at the bottom in the center of the inside of the second storage tank 5, and a mixing device 6 is provided outside the second storage tank 5 in conjunction with this screw conveyor. . Inside the mixing device 6, screw-like stirring blades are housed.

  The mixing device 6 mixes the water injected from the hose 9 into the mixing device 6 with the cement and aggregate supplied from the second storage tank 5 into the mixing device 6, and produces water from the discharge port 14. Concrete is thrown into the lower ready concrete storage tank 7.

  An electromagnetic flow meter 8 is connected to the ready-mixed concrete storage tank 7 through a pipe 15 for discharging ready-mixed concrete. further. A pump (not shown) is connected to the electromagnetic flow meter 8 via a pipe 16, and a hose for supplying the above-mentioned ready-mixed concrete to a desired location is connected to the discharge side of the pump.

  The electromagnetic flowmeter 8 sequentially detects and integrates the discharge amount (supply amount) of the ready-mixed concrete stored in the ready-mixed concrete storage tank 7 sucked and pumped (supplied) by the above-described pump. Digitally display on the display screen. By looking at this display screen, the supplied amount of ready-mixed concrete can be confirmed on site.

  In addition, a communication terminal device (not shown) is connected to the electromagnetic flow meter 8 via a current output line, and the memory of this communication terminal device (device that can store the amount of ready-mixed concrete and digitally display it). By storing the setting parameters, etc., desired data such as the supply amount of ready-mixed concrete can be confirmed at a remote location. Further, if the communication terminal device is a communication terminal device having a printer function, the amount of ready-mixed concrete supplied or the like can be printed on printing paper for confirmation and storage. Later, when the amount of ready-mixed concrete is requested by a ready-mixed concrete supplier, the correctness of the charged amount can be confirmed against the supplied amount printed on the above-mentioned printing paper. Can be prevented.

  The communication terminal device may be a personal computer, and the flow rate and integrated amount measured by the electromagnetic flow meter 8 are displayed on the hard disk or memory by displaying the measured flow rate installed in the personal computer and processing software. You may make it memorize | store or print desired data, such as the supply amount of ready-mixed concrete, by connecting a printer to a personal computer.

It is explanatory drawing of the example ready-mixed concrete supply apparatus concerning this invention. It is explanatory drawing of the state which mounted the example ready-mixed concrete supply apparatus concerning this invention in the truck.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Ready concrete supply apparatus 2 Vehicle 3 1st storage tank 4 Unloading apparatus 5 2nd storage tank 6 Mixing apparatus 7 Ready concrete storage tank 8 Electromagnetic flowmeter

Claims (3)

  A flow meter is installed in the raw concrete discharge line of the mixing means that mixes at least cement, aggregate, and water, and the discharge amount (supply amount) of raw concrete can be confirmed numerically through the above flow meter. Ready-mixed concrete supply equipment.   A first storage tank for storing cement and aggregate, an unloading apparatus for unloading cement and aggregate from the storage tank, a second storage tank for temporarily storing cement and aggregate unloaded by the unloading apparatus, A mixing device for mixing cement and aggregate discharged from the second storage tank and water, a ready-mixed concrete storage tank for storing ready-mixed concrete discharged from the mixing device, and a desired location discharged from the ready-mixed concrete storage tank A ready-mixed concrete supply apparatus comprising: an electromagnetic flowmeter that measures and supplies numerically the amount of ready-mixed concrete supplied to the container, and a pump that sucks and pumps ready-mixed concrete from the ready-mixed concrete storage tank.   3. The ready-mixed concrete supply device according to claim 1, wherein a communication terminal device or a communication terminal device with a printer is connected to the flow meter via a current output line.

Images