JP2599771Y2 - Sediment quantitative continuous discharge device - Google Patents

Description

[Detailed description of the invention]

[0001]

[Industrial application] This invention is a method of mixing soil, sand, fiber, foam beads, etc. into soil, and quantitatively and continuously transporting the soil for cavity filling, backfilling of the ground, embankment, and the like. Related to a constant-volume continuous discharge device.

[0002]

2. Description of the Related Art Conventionally, there has been widely provided a fixed-quantity continuous discharge apparatus for continuously discharging and transporting earth and sand fed into a hopper by using a screw conveyor, a belt conveyor, or a diaphragm. In addition, although it does not perform the above-described continuous discharge, a rotor-type measuring device that intermittently discharges a fixed amount by the principle of a weighing scale has been proposed.

[0003]

However, in such a conventional continuous earth and sand discharging device and measuring device using a screw conveyor as described above, foreign matter enters the cylinder enclosing the screw body. When the screw is entangled, there are problems such as abnormal friction of the screw and inoperability of the screw body.

[0004] In the above-mentioned conventional belt conveyor, a gate is provided at an upper portion of a belt main body, and an amount of the earth and sand corresponding to the opening of the gate is carried out to measure the earth and sand. Therefore, there is a problem that the earth and sand that is overloaded on the belt body stops at the gate, and especially when the viscosity of the soil is high, the friction is large, so that the gate is blocked and cannot be carried out. .

[0005] Furthermore, the above method of carrying out earth and sand using a diaphragm is effective for carrying out sand and the like, but soil having a high viscosity may not be carried out because it adheres to the diaphragm.
According to the weighing method, there was a problem that the weighing and unloading became impossible due to the adhesion of soil having high viscosity.

[0006] The invention of claim 1 has been made in view of the above-mentioned problems, and even if the earth and sand injected into the hopper from above is viscous soil, it is forced to use a screw conveyor. It is an object of the present invention to obtain an apparatus for continuously and quantitatively discharging soil and sand that can be efficiently and smoothly transported and discharged in a lateral direction.

[0007] Even according to claim 2 of the invention is soil thrown from above into the hopper of a viscous soil, retraction continuously transported Shinano downward by the screw conveyor to al housing,
It is an object of the present invention to obtain an apparatus for quantitatively and continuously discharging earth and sand capable of efficiently, continuously and quickly discharging from a housing.

[0008]

According to a first aspect of the present invention, there is provided an apparatus for continuously discharging earth and sand, wherein one end of the earth and sand is viewed from a discharge opening of a housing, and the earth and sand is disposed side by side at the bottom of the housing. Up
A plurality of first screw conveyors rotating in the discharge direction to be discharged from the discharge port portion, one end of which is viewed from the discharge port portion , and which are arranged side by side on the inside of the housing to be selectively forward or reverse.
A plurality of second screw conveyor for rotating one end to the outlet section Nozomi, and is arranged in the vicinity of the discharge port portion <br/> top of the housing, pull to draw the sand in the housing
The first and second switches are basically rotated in the insertion direction.
It is composed of a plurality of third screw conveyors shorter than the screw conveyor.

According to a second aspect of the present invention, there is provided an apparatus for continuously discharging earth and sand , wherein a hopper section into which earth and sand is introduced from the top ,
Provided continuously at the bottom of the hopper, and the side to provided a housing outlet portion is provided for discharging the earth and sand, as desired one end to the outlet portion, the bottom portion of the housing, the soil
Sand provided with the first screw conveyor <br/> plurality of rotating in the discharge direction to be discharged from the discharge port portion, as desired, one end to the outlet portion, the forward and reverse selectively to said housing sides
Provide a plurality of second screw conveyor to be rotated in ,
As desired by one end to the upper Symbol outlet portion, in the vicinity of the discharge port portion top portion of the housing, pull to draw the sand in the housing
The first and second screens, which are basically rotated in the
A plurality of third screw conveyors shorter than the lew conveyor are arranged side by side, and further, on the side inside the hopper,
A plurality of fourth screws whose rotation direction and rotation speed are arbitrarily controlled;
It is a juxtaposition of a lew conveyor .

[0010]

[Action] Quantitative continuous discharge device of sediment in the invention of claim 1, the sand charged into the hopper portion, the second screw conveyor scraper downward so as not to adhere to the housing side, the first Due to the gravity of the screw conveyor, the earth and sand reaching the bottom is discharged out of the discharge port.
With the above-mentioned screw, the discharge port portion is used as a gate, and extra earth and sand separated here is drawn into the housing, and the soil is again discharged to the discharge port portion by the second screw conveyor and the first screw conveyor .

[0011] Quantitative continuous discharge device of sediment in devising 請 Motomeko 2, each of the plurality of fourth screw conveyor which is provided along the example inclined surface or a vertical surface of the hopper body, the direction of rotation, the number of revolutions Arbitrarily selected and rotated, even in highly viscous earth and sand, while keeping this hopper from adhering to the inner surface of the hopper, quickly carry out the earth and sand from the lower end and continuously into the lower housing by a fixed amount At the same time, the first, second, and third screw conveyors in the housing effectively draw in and carry out the earth and sand.

[0012]

[Embodiment 1] An embodiment of the present invention will be described below with reference to the drawings. FIG.
And FIG. 2 is a front cross-sectional view and a side cross-sectional view schematically showing the constant volume continuous discharge device for soil and sand of the present invention. In the same figure, 1 is a rectangular container-shaped casing serving as a main body of the constant volume continuous discharge device, It has a hopper portion 3 into which earth and sand 2 are introduced from above, and a discharge port 4 for discharging earth and sand is provided on a lower side portion. The discharge port 4 forms a gate that regulates the amount of discharged earth and sand.

Reference numeral 5 denotes a plurality (here, five) (a1 to a5) of a plurality of first (a1 to a5) first
, One end of which is looking into the outlet 4. These first screw conveyors 5 are rotatable in one direction (the direction in which the earth and sand are carried out), and discharge the earth and sand. In the first screw conveyor, there is a possibility that earth and sand may be shifted in one direction, and in this case, for example, a1 and a5 may be rotatable in other directions to prevent the unevenness.

Further, reference numeral 6 denotes a plurality of second screw conveyors (b1 to b4) arranged side by side on the side surface of the housing 1, here two on the left and right sides. Has one end looking into the outlet 4. These second screw conveyors 6 can be selectively biased in one direction and / or the other direction.

Reference numeral 7 denotes three (c1 to c3) third screw conveyors arranged side by side in the vicinity of the discharge port top 4 in the housing 1 and each end of which is viewed in the discharge port 4. Each of the other ends does not reach deep inside the housing 1 and has a short dimension as shown in FIG. These third screw conveyors 7 are rotatable in the one direction or the other direction (the direction in which earth and sand are drawn in). The arrangement of the first, second, and third screw conveyors 5, 6, and 7 is as shown in FIG. Furthermore, the attachment of the screw conveyors 5, 6, 7 is made in the housing 1 in a known manner.

Next, the operation will be described. First, the rotation of the first, second, and third screw conveyors 5, 6, and 7 is started. At this time, the third screw conveyor 7 is reversed with respect to the rotation direction of the first screw conveyor 5,
The second screw conveyor 6 is rotated forward (one) or reversely (other).

Next, earth and sand are charged from the top of the hopper 3 of the housing 1. The earth and sand 2 thus input is the third
Since the screw conveyor 7 is a short screw conveyor near the discharge port 4, almost all of the screw conveyor 7 falls on the first screw conveyor 5 and the second screw conveyor 6, and gradually accumulates in the housing 1, It reaches a position higher than the level of the second screw conveyor 6 and the third screw conveyor 7.

Then, the first screw conveyor 5 guides the earth and sand 2 around the first screw conveyor 5 to the discharge port 4 and further discharges the outside of the housing 1. In addition, in practice, the earth and sand 2 is transferred to each of the screw conveyors 5 and 5 according to the rotation direction of the second screw conveyor 6 and the third screw conveyor 7.
The fixed amount is discharged from the end of the discharge port 4 in the area surrounded by 6 and 7.

The selection of the rotation direction of the second screw conveyor 6 naturally depends on the gate action of the discharge port 4, but the rotation of the first screw conveyor 5 is not limited.
The amount of the discharged earth and sand 2 is determined to some extent. At this time, the first screw conveyor 5 and the second screw conveyor 6 are provided close to the bottom and the side, respectively, so that even the soil with high viscosity can be scraped without adhering to the bottom and the side. Will be issued.

On the other hand, when the earth and sand 2 is soil having high viscosity, the soil adheres to the discharge port 4 serving as a gate and does not move in the discharge direction. Since the soil to be attached is sheared and rotated so as to be drawn into the housing 1, the soil at the top of the housing is not forcibly accumulated in the discharge port 4, but is forcibly sheared. , As described above.

As a result of this drawing operation, the top soil has a raised shape near the outlet 4 as shown in FIG. In addition, the soil raised in this way is the third
From the rear end of the screw conveyer 7 to the vicinity of the first screw conveyer 5 and the second screw conveyer 6, and the fixed amount is discharged again from the discharge port 4 as described above.

FIG. 4 is a front sectional view showing a vertical type continuous apparatus for continuously discharging earth and sand. Reference numeral 11 denotes a hopper body into which earth and sand is introduced from the top, and a lower end of the hopper body for discharging earth and sand. 12 are provided.

The hopper body 11 has a vertical surface 11 inside the side wall.
a and an inclined surface 11b, a plurality of vertical screw conveyors 13 and an inclined screw conveyor 14 are provided along each of these surfaces, and one end of these extends near the outlet 12 as a gate.

Further, each of the screw conveyors 13 and 14 can be rotated independently or in conjunction with each other.
The rotation speed and the rotation position can be selectively controlled.

In such a device for continuously discharging soil, the earth and sand introduced from the top into the hopper body 11 is rotated by the screw conveyors 13 and 14 which rotate in a rotation direction, a rotation speed and a rotation position according to the viscosity of the soil. A part of the earth and sand is sent down, and the earth and sand in the other part moves upward, and is discharged at a constant rate from the outlet 12.

In this embodiment, for example, the vertical screw conveyor 13 is rotated in one direction at a predetermined rotation speed to discharge the earth and sand toward the discharge port 12, while the inclined screw conveyor 14 is rotated in the opposite direction to the above. By rotating at a predetermined rotation speed to convey the lower portion of the earth and sand upward, the amount of the earth and sand carried out from the discharge port can be quantified, and the carrying out operation can be continuously performed. .

FIG. 5 is a front view showing an apparatus for continuously discharging earth and sand according to the invention of claim 2 , which has a structure in which the casing 1 shown in FIG. 2 and the hopper body shown in FIG. 4 are connected. The same reference numerals are given to the same parts as.

That is, in this embodiment, the hopper portion 11A into which earth and sand are introduced from the top portion has the vertical surface 11a in the side wall.
And a plurality of vertical screw conveyors 13A and a plurality of inclined screw conveyors 14A as fourth screw conveyors along which the number of rotations and the rotation direction are arbitrarily controlled. The hopper 3 is connected to the housing 1 as shown in FIG.

Thus, even the viscous earth and sand introduced from the top of the hopper 11A can be efficiently fed into the housing 1 without adhering to the inner wall surface thereof. In this way, the inflow and discharge of the earth and sand from the outlet can be further smoothed and speeded up.

FIG. 6 shows a tapered screw conveyor 21 used for constant-rate discharge. According to this, since the discharging pressure of the soil changes in the axial direction, the pulling in and discharging of the soil can be effectively performed using the change.

[0031]

As described above, according to the first aspect of the present invention, one end of the first opening is viewed from the outlet of the housing, and a plurality of first rotating units are arranged in the bottom of the housing and rotated in the discharging direction . One end of the screw conveyor, one end of the outlet port, and a plurality of second screw conveyors arranged side by side on the side of the housing to selectively and reversely rotate , one end of the outlet port, and is arranged in the vicinity of the discharge port portion top portion of the housing, since it is configured from a part length a plurality of third screw conveyor which essentially rotates in the retracted direction, the third of the screw conveyor in the retracted direction The first screw conveyer is rotated in the direction opposite to the unloading direction to cause shearing, and the second screw conveyor is rotated in the retraction direction or / and the unloading direction to adjust the drawing and unloading of the soil. Screw co Smoothly out while kneading in one direction and the other direction as the case continuously and quantitatively or sediment of various properties from the discharge opening, such as a viscous soil by Bear. In other words, in the present invention, since the screw conveyors are juxtaposed along the wall surface of the housing , various earth and sand are separated by the action of cutting off the friction and adhesion between the various earth and sand and the wall surface of the housing and transporting. It is immediately carried out. Also,
Arranged screw conveyor is disposed along the wall surface of the housing, the structure obstructions in the central portion, the foreign matter in the soil, such as stones and pieces of wood or roots quickly without stopping in the housing It is carried out.

Further, a hopper portion which sediment is turned from the top according to the invention of 請 Motomeko 2, is provided continuously at the bottom of the 該Ho wrapper portion and outlet portion for discharging the earth and sand is provided on the side A plurality of first screw conveyors that rotate in the discharge direction at the bottom of the housing so that one end looks at the discharge port, and one end looks at the discharge port. , Selectively rotated forward and reverse on the side inside the housing
A plurality of second screw conveyor is provided for, so that the one end to the upper Symbol outlet portion desire, in the vicinity of the discharge port portion <br/> top of the housing, a plurality which essentially rotates the retracted direction the 3 screw conveyors , and the hopper
The direction of rotation and the number of rotations are arbitrarily controlled on the side inside the unit
Since the plurality of fourth screw conveyors are arranged side by side , even if the soil is highly viscous, it is possible to efficiently, continuously, carry in the sand into the hopper, draw it into the housing, and discharge it from the housing. There is an effect that what can be performed quickly can be obtained.

Conventionally, the fixed-quantity transport and the mixing device had separate functions, but the present invention has an effect that they can be integrated.

Therefore, according to the present invention, the cement, the short fibers, and the foam beads are mixed in the soil at a fixed ratio by using the technique of forcibly discharging the soil and soil without causing any trouble due to the mixing of foreign matter. The effect of continuously producing soil can be obtained.

[Brief description of the drawings]

FIG. 1 is a front cross-sectional view showing an apparatus for continuously discharging soil and sand according to an embodiment of the present invention.

FIG. 2 is a front sectional view showing the continuous apparatus for continuously discharging soil and sand in FIG. 1;

FIG. 3 is a layout diagram of a screw conveyor in FIG. 1;

4 is a front sectional view showing a quantitative continuous discharge device for sediment.

5 is a front sectional view showing a quantitative continuous discharge device for soil according to an embodiment of the invention of claim 2.

FIG. 6 is a perspective view showing a tapered screw conveyor usable in the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Housing 2 Earth and sand 3,11A Hopper part 4,12 Discharge port part 5 1st screw conveyor 6 2nd screw conveyor 7 3rd screw conveyor 11 Hopper body 13 Vertical screw conveyor 13A, 14A 4th screw conveyor 14 Inclined screw conveyor

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hirofumi Inada 47-3 Mita, Atsugi-shi, Kanagawa Prefecture Inside Sato Kogyo Co., Ltd. Haruhito Takahashi 8-14-14 Ginza, Chuo-ku, Tokyo Nippon Special Construction Co., Ltd. (72) Inventor Toshiaki Kato 2-5-8 Kitaaoyama, Minato-ku, Tokyo Intra-company group (56) References Shokai Sho56- 68743 (JP, U) Japanese Utility Model 2-57827 (JP, U) Japanese Utility Model 50-94687 (JP, U) Japanese Utility Model 59-28094 (JP, U) Japanese Utility Model 52-171097 (JP, U) (58) Field surveyed (Int.Cl. ⁶ , DB name) B65G 65/30-65/48

Claims (2)

(57) [Scope of request for utility model registration] 1. A housing having a hopper portion into which earth and sand are introduced from a top portion, and a discharge port for discharging the earth and sand provided on a side portion, one end of the discharge port portion being viewed, and are arranged in the bottom, the sediment from the discharge port portion
A plurality of first screw conveyors that rotate in a discharge direction to be discharged, and a plurality of second screws that have one end viewed from the discharge port and are arranged side by side in the housing and selectively and reversely rotate. The conveyor and one end of the discharge port portion are viewed, and are arranged side by side near the top of the discharge port portion in the housing, and are basically arranged in a drawing direction for drawing the earth and sand into the housing.
Rotating the first and second screw conveyors
A fixed quantity continuous discharge device for earth and sand, comprising a plurality of third screw conveyors shorter than a . 2. A hopper into which earth and sand are introduced from the top.
And the soil is provided at a lower portion of the hopper portion and
A housing provided with a discharge port for discharging sand;
One end is to be looked at, and it is juxtaposed with the bottom in the above-mentioned case.
In the discharge direction to discharge the earth and sand from the discharge port.
A plurality of first screw conveyors to be rotated;
One end is to be seen at the outlet and side by side inside the housing
A plurality of second screw cores for selectively rotating
One end into the discharge port, and the housing
In the vicinity of the top of the discharge port inside the
Basically rotate in the direction of retraction to pull into the body, above
A plurality of shorter screws than the first and second screw conveyors
A third screw conveyor and a side portion in the hopper section;
That are arranged side by side and whose rotation direction and rotation speed are arbitrarily controlled
Quantitative continuous of earth and sand provided with the fourth screw conveyor
Discharge device. "