JP2000007139A - Extraneous matter deposit preventing device and soil improving device with such deposit preventing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance the producibility of an extraneous matter deposit preventing device and an soil improving device equipped with such a extraneous matter deposit preventing device, by supporting a chute dangling toward the outlet inside a hopper installed at the supply port for objects to be carried, providing a moving means to give vertical motions to the chute, and thereby preventing the hopper outlet from being blocked. SOLUTION: A kneader and mixer 2 to treat objects to be carried has a hopper (h) on the receipt side of the objects, and the hopper (h) is equipped internally with a chute 20 dangling toward the outlet 10 of the hopper (h) and a moving means P for chute 20 consisting of a cam mechanism K including a camshaft 30, cam 32, and cam follower 26 for moving in vertical direction a connecting member 22 to support a supporting member for the chute 20, and the objects are precluded from being adhered and deposited between the chute 20 and hopper (h) to cause blocking of the outlet 10 of the hopper (h).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a soil improvement plant for construction excavated soil (hereinafter, referred to as construction excavated soil) generated along with cultivation soil for land reclamation, land reclamation work, construction and civil engineering work, etc. In the field, a soil transport conveyor typified by a belt is used for handling between various devices such as kneading, mixing, etc., and a steel conveyor provided in a hopper at a supply port of a fitting portion between the various devices and the transport conveyor is used. TECHNICAL FIELD The present invention relates to an apparatus for preventing the accumulation of deposits and a soil improvement device provided with an apparatus for preventing the accumulation of deposits, which comprises a chute made of resin such as rubber, synthetic rubber, or the like.

[0002]

2. Description of the Related Art As is well known, the above-mentioned exploration work, land reclamation work, construction and civil engineering work of a mountain are excavated by a power shovel, a backhoe or the like, and excavated by a large shovel such as the power shovel. Therefore, it is dug up as a large soil mass, and the above-mentioned construction soil generated by the construction is highly viscous soil or water-containing soil mixed with stones, soil mass, wood chips and the like.

On the other hand, in the above construction soil,
Since it can hardly be reused, it is disposed of for landfill, transported to another place and disposed, collected and transported from other places, and filled with holes dug by the pile. There is a risk that the collection of mountain sand will have an impact on the environment. In view of the above background, in recent years, the construction-generated soil has been regenerated into an improved soil by, for example, a lime treatment plant, and the improved soil has been dug up in the agricultural and horticultural and construction and civil engineering work. It is used in place of the above-mentioned mountain sand for backfilling.

[0004] Then, in the process of the above-mentioned improved soil production plant, for example, as shown in FIG. 9, the construction-generated soil 01 is sorted through a lattice member 04 to remove a large lump 06 of inappropriate stone or the like. It is put into the hopper 02. The supply port 08a is provided with the soil improving agent R transported from the soil improving agent tank T1 through the supply pipe 010 and the construction generated soil 01 transported through the receiving hopper 02, the fixed-quantity feeder 076, and the bucket conveyor 07. The mixture is conveyed from the hopper to the kneading / mixing machine 08 and is mixed. The kneading / mixing machine 08 uses a paddle mixer, a screw mixer, a drum mixer or the like.

Next, the improved product improved by the kneading / mixing machine 08 is conveyed to the mixing machine 014 via the supply pipe 082, and the lime H powder is supplied from the lime tank T2 to the supply pipe 01, for example.
2 and introduced into a mixer 014 to mix the improved product with the lime. Thereafter, the mixture is transported from the mixer 014 to the sieving machine 016 from the conveyor 996, and the sieving machine 016
At a desired size, for example, an improved soil 018 having a size equal to or less than the size of the improved soil set according to the design specification and an improved soil 019 having a size equal to or greater than the size set above are used as recycled soil. I have.

[0006]

However, at the location of the fixed chute provided between the above-mentioned various devices and the conveyor and in the hopper h on the inlet side of the conveyor, the above-mentioned clayey material is used together with the elapsed time of use. Since the soil, lime, etc. adhere and accumulate, and the outlet of the hopper h is blocked and cannot be transported, it is necessary to constantly remove and clean the accumulated deposits manually by a fixed chute. It takes labor and man-hours, is inefficient in workability, and is expensive.

The present invention has been devised in view of the above, and has a movable chute in a hopper provided at a conveyer for conveying construction-generated soil and at a joint of various devices for kneading and mixing. It is an object of the present invention to provide a deposit accumulation preventing device and a soil improvement device with the deposit accumulation preventing device, which are provided with movable means for moving the chute so that the outlet of the hopper is not blocked.

[0008]

According to a first aspect of the present invention, there is provided an apparatus for preventing the accumulation of deposits according to the present invention, comprising: a hopper provided at a supply port of a transported object; and a feeder for supplying the transported object to the hopper. Means, a chute supported to hang down toward the outlet direction in the hopper, and a movable means for applying at least one of vertical movement, vibration, and impact to the chute. Features.

According to a second aspect of the present invention, there is provided an apparatus for preventing the accumulation of deposits according to the first aspect of the present invention, wherein a transport conveyor for transporting the transported object and a kneading and mixing apparatus for processing the transported object are provided.
The apparatus has at least one device of a mixer, a mixer, and a sieve, and the hopper is provided on at least one of the conveyor and the device.

According to a third aspect of the present invention, there is provided a deposit preventing apparatus according to the first or second aspect, wherein a supporting member for supporting the chute by a hanging cable and a connecting member attached to the supporting member are vertically moved. Said movable means for moving;
A separate drooping rope hanging separately from the hanging rope and the support member, a supporting shaft supported by the separate hanging rope with an interval in the vertical direction of the separate hanging rope, and an upper end of the supporting shaft A chute provided so as to be supported and hung down, wherein the upper end of the chute hung down on the support shaft is provided so as to overlap the lower end of the adjacent chute above. I have.

According to a fourth aspect of the present invention, there is provided the apparatus for preventing deposits according to the first aspect of the present invention, wherein the movable means of the chute is a cam mechanism, a crank mechanism, and an impact mechanism. It is characterized by being constituted. According to a fifth aspect of the present invention, there is provided an apparatus for preventing deposits from accumulating according to any one of the first to fourth aspects, wherein the movable means of the chute is operated automatically or manually. It is characterized by having.

According to a sixth aspect of the present invention, there is provided a soil improvement device with a deposit prevention device according to the present invention, wherein the soil improvement device includes a transportation conveyor for transporting construction-generated soil, and the construction generation from the transportation conveyor. A hopper provided on at least one of the above-mentioned conveying conveyor and at least one of the devices such as a kneading / mixing machine, a mixing machine, and a sieving machine for treating soil. A chute supported so as to hang down toward an exit direction in the hopper, and a movable means for applying at least one of vertical movement, vibration, and impact to the chute is provided. And

According to a seventh aspect of the present invention, there is provided a soil improvement device with a deposit prevention device according to the present invention, wherein
A hopper that receives the construction soil, a conveyor that weighs and transports the construction soil from the hopper by a set amount set according to design specifications, and a construction occurrence of the set amount from the conveyance conveyor. A kneading / mixing machine in which soil and a set amount of soil improving agent set according to design specifications are supplied and kneaded and mixed; and a hopper provided in the hopper, the kneading / mixing machine, and the conveyor. At least one of the hoppers provided on the hopper and the movable means provided on the chute are provided.

[0014] The soil improvement device with the deposit preventing device according to the present invention according to claim 8 is the structure according to claim 7, wherein
A mixer that mixes the improved product from the kneading / mixing machine with an additive that promotes at least the above-mentioned strength strengthening, solidification, and moisture absorption, a hopper of the mixing machine, and the kneading / mixing machine The chutes provided in at least one of the hoppers and the movable means provided in the chutes are provided.

According to a ninth aspect of the present invention, there is provided a soil improvement device with an attached matter accumulation preventing device according to any one of the sixth to eighth aspects, wherein the improved material from the kneading / mixing machine is transported. It was configured to supply the additive to the supply port provided on the transport conveyor upstream of the supply port of the transport conveyor and to cover the surface of the transport conveyor with the additive and to supply the improved product. It is characterized by:

According to a tenth aspect of the present invention, there is provided a soil improvement device with a deposit preventing device according to the present invention, wherein a hopper for receiving construction soil and a set amount of the construction soil from the hopper are set according to design specifications. A fixed amount feeder for measuring and transferring, a transfer conveyor for transferring the set amount of construction soil from the fixed amount feeder to the kneading / mixing machine, and a hopper provided in the hopper, the kneading / mixing machine and the transferring conveyor. The chute provided on at least one of the hoppers, the movable means provided on the chute, and the upstream or downstream side of a supply port of the transport conveyor that supplies the construction soil from the fixed quantity feeder. Soil improvement to supply a soil conditioner that enhances the strength of the above construction generated soil and promotes the absorption of moisture into the supply port provided on the conveyor An additive tank is provided at a tank or at a supply port of the transport conveyor, for supplying an additive that enhances at least the strength of the strength of the construction-generated soil, solidification, and moisture absorption, and promotes moisture absorption. It is characterized by:

[0017] The soil improvement apparatus with the deposit preventing device according to the present invention described in claim 11 is any one of claims 6 to 10.
Wherein at least one of the side, bottom, front, and rear portions of at least one of the kneading / mixing machine and the air-fuel mixture is openable and closable. It is characterized by being constituted.

[0018]

Embodiments of the present invention will be described below with reference to the drawings. 1 is a schematic explanatory view showing one embodiment of the present invention, FIG. 2 is a schematic explanatory view showing a cross section along line 2A-2A in FIG. 1, and FIG. 3 shows a modification of the chute of this embodiment in FIG. FIG. 4 is a schematic explanatory view showing an application example in which the deposit preventive device of the present invention is applied to a soil improving device using a soil improving agent, and FIG. 5 is a diagram illustrating the deposit preventive device of the present invention applied to a lime method. FIG. 6 is a schematic explanatory view showing an application example applied to the improvement apparatus, FIG. 6 is a schematic explanatory view showing the structure of a kneading / mixing machine used in the soil improvement apparatus shown in FIGS. 4 and 5, and FIG. FIG. 8 is a schematic explanatory view showing a modified example of the kneading / mixing machine, and FIG. 8 is a schematic explanatory view showing another modified example of the kneading / mixing apparatus shown in FIG.

As shown in FIGS. 1 and 2, each of the two-shaft rotary shafts 1 which is one of the kneading / mixing machines described in the above conventional example.
A kneading / mixing machine 2 having paddles 16a, 18a is provided for the kneading / mixing machine 2, and a casing 4 of the kneading / mixing machine 2 is provided.
A hopper h of the supply port 2a is provided in an upward direction on the upstream side of the zero. Further, a chute 20 supported by a support member (also referred to as a chute support shaft 14 a) is provided so as to hang down toward the outlet 10 in the hopper h.

A connecting member 22 extends above both left and right ends of the support member 14, and a rotating shaft 24 is provided so as to rotatably pass through the upper ends of the connecting members 22. The cam followers 26 are provided at both ends of the pair through bearings 25. A long groove 28 extending in the vertical direction is provided at an intermediate portion in the longitudinal direction of the connecting member 22, and both ends of a camshaft 30 which is disposed to penetrate the long groove 28 of the right and left connecting members 22 and is supported by a bearing 29. A cam 32 that engages with the cam follower 26 is provided. The camshaft 30 is connected to a hydraulic motor,
It is connected to an output shaft 38 of a driving means 36 such as a transmission motor.

Since the present embodiment is configured as described above, the construction-generated soil is free of foreign matter such as large stones, lumps, dust, etc., which are set in the pretreatment step, for example.
As shown in FIG. 2, it is conveyed by the conveyor 7 and supplied from the upper opening of the hopper h to between the chute 20 and the inner peripheral surface of the hopper h. The conveyed object supplied to the hopper h may be only the construction-generated soil depending on the purpose, but may be added with the soil improving agent, quick lime, etc. to the construction-generated soil, and may be thrown away. As the process proceeds, the viscous construction-generated soil, soil conditioner, quicklime, and the like are mixed and adhere to the chute 20 and accumulate.

At this time, as shown in FIGS. 1 and 2, when the driving means 36 of the movable means of the chute 20 is operated to rotate the cam 32 by the camshaft 30, the rotating shaft 24 is rotated via the cam follower 26. The connecting member 22 engaged with the rotating shaft 24 is
The chute 20 is moved up and down without being hindered by the camshaft 30, thereby moving the chute 20 up and down so as to disrupt the above-mentioned deposits and give vibration and impact, and deposits and chute deposited between the chute 20 and the inner peripheral surface of the hopper h The deposit adhering to 20 can be peeled off and dropped.

Next, a modified example of the above embodiment will be described with reference to FIG. 3, but the same reference numerals will be assigned to substantially the same portions, and different points will be described. As shown in FIG. 3, the support member 14 (the support shaft 1) attached to the lower end of the connecting member 22.
4a), a chute 20a that is hung by a hanging cable 13 of at least two chains, chains, wires, and the like hung on the supporting member 14, and a hanging cable 13 of the supporting member 14.
Separately, a plurality of support shafts 14b and 14c supported by left and right separate hanging ropes 15 at intervals in the vertical direction of separate hanging ropes 15 hanging from both left and right ends, and the upper end of each of the support shafts 1
Chutes 20b and 20c supported by and suspended from 4b and 14c are provided.

The lower end of the chute 20a is supported by the adjacent lower support shaft 14b and the chute 20
b is provided so as to overlap with the upper surface of the upper end portion of the lower support shaft 14c.
And is superposed on the upper surface of the upper end of the hanging chute 20c. Also, the top shoot 20
The support member 14a of FIG.
Is operated so that the connecting member 22 is operated in the vertical direction by the operation of the movable means P.

The lower end of the chute 20a may be supported by the adjacent lower support shaft 14b and overlap the lower surface of the upper end of the hanging chute 20b. May be provided so as to overlap the lower surface of the upper end of the hanging chute 20c supported by the supporting shaft 14c. Since this modification is configured as described above, if the cam shut 30 is actuated by the movable means P and the connecting member 22 is actuated downward in the same manner as in the above embodiment, the hanging cable 13 and the other hanging cable 15 are slackened. For example, the distance between each of the support shafts 14a, 14b, 14c becomes shorter,
The overlap between the lower end of the chute 20a and the upper end of the chute 20b and the overlap between the lower end of the chute 20b and the upper end of the chute 20c preferably act in directions of bending each other. Shoot 20
The deposits adhering to a, 20b, and 20c can be more easily peeled off, and substantially the same operation and effect as in the above embodiment can be obtained.

The chute 2 of the above embodiment and the modified example
Although the movable means P of 0 is based on the cam mechanism K, the invention is not limited to this. A crank mechanism (not shown) that can move the rotation axis of the cam follower 26 via a link may be used. May be used as an impact mechanism. The movable means P of the chute 20 is appropriately set so as to be operated automatically or manually, and is constituted by a movable means P for applying at least one of vertical movement, vibration, and impact to the chute 20. You can also.

The movable means P may be operated at regular intervals by a pulse motor or a timer. Further, although not shown, the weight of the deposits deposited on the chute 20 is measured by the support member 14, the chute 20, and the connecting member. 22 and the detection signal is input to the controller, and the detection signal is input to the controller.
When the weight of the attached matter exceeds a set weight, the movable means P may be automatically operated by an output signal from the controller.

Further, even if a meter such as a spring spring is provided at the above-mentioned portion instead of the above-mentioned load cell, the same operation and effect as above can be obtained. Next, application examples in which the deposit prevention device of the present invention is applied to a soil improvement device using a soil improvement agent and a soil improvement device using a lime method will be described with reference to FIGS. First, FIG. 4 illustrates a soil improvement device using a soil improvement agent. Also, as shown in FIG. 4, the construction excavated soil 67 excavated by civil engineering work or the like is supplied to a hopper 74 by a power shovel 69 by removing a large amount of soil, stones and the like larger than desired by a lattice member 73. Then, the hopper h at the supply port 2a is removed from the hopper 74 via the magnetic separator 68 which removes empty cans, nail iron, scrap iron and the like contained in the construction-generated soil 67 measured by the fixed-quantity feeder 76 and set according to the design specifications. From screw type, paddle type,
In the case of the present embodiment, the material is conveyed into a kneading / mixing machine 2 such as a drum type, and in a paddle-type kneading / mixing machine (paddle mixer) 2.

The hopper h of the supply port 2a is provided with the deposit preventing device M as shown in FIGS. 1 and 2 described in the above embodiment, and the chute 20 of the deposit preventing device M and the hopper h and the soil generating agent R from the soil improving agent tank 71 are supplied from the fixed amount feeder 76 to the inner peripheral surface of the chute 20.
As a result, the chute 20 can be moved up and down to accumulate, or the construction-produced soil that is about to accumulate can be separated and separated and dropped toward the outlet 10 of the hopper h, so that the operation of the kneading / mixing machine 2 is performed smoothly. be able to.

At this time, the outlet 71 of the soil conditioner tank 71 provided above the paddle mixer 2 as shown in FIG.
a of the paddle mixer 2 from a through a supply pipe 75
In the paddle mixer 2, the construction-generated soil 67 from the quantitative feeder 76 and the soil improving agent R are kneaded, mixed and improved.

Further, as shown in FIG. 4, at least one of strengthening, solidifying, absorbing moisture (other liquid components) of lime, cement, etc. provided above the supply port 80a of the bucket conveyor 80. The quick lime H is conveyed from the outlet 60a of the additive tank 60 for the additive that promotes the strength enhancement, in this embodiment, the quick lime H additive tank 60, to the dispensing tank 62. .

Then, the supply port 8 of the bucket conveyor 80 is supplied from the outlet 62a of the dispensing tank 62 through the supply pipe 64.
From 0a, a set amount of quicklime H set according to design specifications is supplied to a plurality of buckets 81 provided on the bucket conveyor 80, and in the case of the present embodiment, powder of quicklime H is supplied,
At least the inner surface 81a of each bucket 81 is covered with quicklime H.

Thereafter, as shown in FIG. 4, on the inner surface 81a of each bucket 81 coated with the quicklime H, the improved product (processed substance) 67R improved as above from the outlet 2b of the paddle mixer 2 is provided. H and the lime H are dropped and mixed together by the supply pipe 82 from the outlet 80d of the bucket conveyor 80 and supplied from the outlet 80d of the bucket conveyor 80. While being supplied to the mixer 86, the quicklime H and the improved product 67R are mixed inside the mixer 86, and are taken out from the outlet 86b of the mixer 86 through the supply pipe 88 as the improved soil.

The improved product 67R is supplied onto the inner surface 81a of the bucket 81 coated with quicklime H by the bucket conveyor 80, and is conveyed almost as it is. Bucket 81
, And can be dropped while being mixed by the supply pipe 82 connected to the mixer 86, so that the work efficiency can be improved without reducing the transport efficiency of the bucket conveyor 80.

In the above embodiment, the bucket conveyor 8
In FIG. 4, the supply port 80a for the quicklime H is provided upstream of the supply port 80b for the improved product 67R from the paddle mixer 2 as shown in FIG.
0b, and after supplying the above-mentioned improved product 67R,
The quicklime H is supplied from the quicklime H supply port 80a indicated by the two-dot chain line in FIG. 4, transported upward and supplied to the mixer 86, and the improved product 6 is mixed with the mixer 86 in the same manner as in the above embodiment.
7R and quicklime H may be mixed.

In the above embodiment, the quicklime H is supplied to the supply port 80a of the bucket conveyor 80 via the supply pipe 64 before and after supplying the improved product 67R from the kneading / mixing machine 2. As shown by a two-dot chain line in FIG. 6, even if the quick lime H is supplied through the supply pipe 64 to the supply pipe 82 connecting the bucket conveyor 80 and the mixer 86, the supply of the mixer 86 By providing the attached matter prevention device M in the hopper h of the opening 86a, the same function and effect as described above can be obtained.

The improved soil completed from the outlet 86b of the mixer 86 is supplied to the feed port 9 of the vibrating sieve 90 through the feed pipe 88.
0a, and discharged as improved soil K1 by an unloading conveyor 96 through an outlet 90b through the outlet 90b, and the civil engineering work according to the design specifications is performed. It is used for civil engineering and construction materials such as landfill, and for agriculture and horticulture.

Next, a case where the kneading / mixing machine of the present invention is applied to a soil improvement apparatus by a lime method will be described with reference to FIG. 5. In the soil improvement by the lime method, the lime as an additive is It is also used as a soil conditioner. As shown in FIG. 5, the construction excavated soil 67 excavated by civil engineering work or the like is supplied to a receiving hopper 74 via a lattice member 73 by a power shovel 69, and the fixed amount feeder (transport) is received from the receiving hopper 74. The bucket 76 is also fed from a supply port 80b through a magnetic separator 68 for removing empty cans, nail iron, scrap iron and the like contained in the construction waste soil 67 of a set amount measured by the meter 76 and set according to the design specifications. Supply.

At this time, the outlet 60 of the lime tank 60 provided above the bucket conveyor 80 as shown in FIG.
a to the dispensing tank 62, the lime H is transferred from the outlet 62a of the dispensing tank 62 to the bucket 81 from the supply port 80a of the bucket conveyor 80 via the supply pipe 64, and the set amount of lime H is set according to the design specifications. In the case of the present embodiment, powder of quicklime H is supplied, and at least the inner surface 81a of the bucket 81 is covered with quicklime H.

Thereafter, as shown in FIG. 5, the set amount of the construction-generated soil conveyed and supplied from the fixed-quantity feeder (conveyor) 76 onto the inner surface 81a of the bucket 81 coated with the quicklime H is provided with the quicklime. H and the lime H, which are transported upward by the bucket conveyor 80 and turned over, and are fed together by the supply pipe 82 from the outlet 80d of the bucket conveyor 80. While being dropped and mixed, the mixture is supplied to the kneading / mixing machine 2 and the above-mentioned quicklime H is mixed inside the kneading / mixing machine 2.
2b of the kneading / mixing machine 2 with the mixture of
It is extracted as improved soil from.

The hopper h at the supply port 2a of the kneading / mixing machine 2 is provided with the deposit preventing device M as shown in FIGS. Between the chute 20 of the device M and the inner peripheral surface of the hopper h,
The construction waste soil from the bucket conveyor 80 and the quicklime H from the additive tank 60 are supplied, but the chute 20 is moved up and down by the movable means P of the chute 20 to deposit,
Since the above-mentioned construction-generated soil and quicklime H which are about to be deposited can be separated and dropped toward the outlet 10 of the hopper h, the operation of the kneading / mixing machine 2 can be performed smoothly.

The construction soil is supplied onto the inner surface 81a of the bucket 81 coated with quicklime H by the bucket conveyor 80, and is conveyed almost as it is. Since the lime H does not adhere to the bucket 81 and can be dropped while being mixed by the supply pipe 82 connected to the kneading / mixing machine 2, the work efficiency is improved without reducing the transport efficiency of the bucket conveyor 80. Can be done.

In the above embodiment, the bucket conveyor 8
In the case where the supply port 80a of the quicklime H of 0 is provided on the upstream side of the supply port 80b of the construction generated soil from the quantitative feeder 76 as shown in FIG. 5, the supply port 80b of the construction generated soil is shown. After being provided on the further downstream side and supplying the construction generated soil, the quick lime H is supplied from the quick lime H supply port 80a shown by a two-dot chain line in FIG. In the same manner as described above, the construction-generated soil and quicklime H may be mixed.

In this case, when the construction-generated soil adheres to the bucket conveyor 80, if the bucket 81 is cleaned occasionally, substantially the same operation and effect as the above embodiment can be obtained. The improved soil completed from the outlet 2b of the kneading / mixing machine 2 is conveyed to the vibrating sieve 90 by the conveyor 95 via the hopper h of the feed port 95a, and the hopper of the feed port 90a of the vibrating sieve 90. h, and the above-mentioned improved soil selected to have a size corresponding to the purpose of use set in the design specifications is taken out of the conveyor 9 through the outlet 90b.
6 to discharge as improved soil K1, civil engineering such as landfill for civil engineering work, construction materials, agriculture,
It is used for horticultural soil.

Also, in the above-described soil improvement apparatus shown in FIGS. 4 and 5, the case where the attached matter prevention device M is provided in the hopper h of the supply port 2a of the kneading / mixing machine has been described. Instead, for example, the hopper 74 shown in FIGS. 4 and 5, the hopper h provided at each of the supply ports 80 a and 80 b of the bucket conveyor 80, the hopper h provided at the supply port 90 a of the vibrating screen 90, Even if the attached matter prevention device M is provided in the hopper h or the like provided at the supply ports 95a and 96a of the conveyors 95 and 96, the same operation and effect as the above embodiment can be obtained.

4 and 5, the casing 40 of the kneading / mixing machine 2 used in the soil improvement apparatus with the attached matter prevention device of the present invention can be opened and closed below and on the side of the casing 40. It is configured. That is, the casing 40 of the paddle mixer 2 includes at least a casing main body 42 and a bottom 44 as shown in FIG.

In this embodiment, the bottom 44 is divided into two parts. The upper ends of the divided bottom pieces 45 and 47 can be opened and closed outward through hinges 46 so that the pivoted part 48 of the casing body 42 can be opened and closed. The other ends of each are pivotally mounted on hinges 46, and the other ends thereof are protruded outwardly, and flanges 45 a and 47 a extending from a front portion 8 a to a rear portion 8 b of the casing 40 are brought into contact with each other and can be detached with a plurality of bolts 49. It is connected to.

The flanges 45a and 47a may be constructed so as to protrude inward from the bottom portion 44 as shown by a two-dot chain line in FIG. The opening and closing of the divided bottom pieces 45 and 47 is performed by a hydraulic or pneumatic actuator or an electric motor for opening and closing as shown in FIG.
In the present embodiment, a hydraulic actuator 50 is provided.

Although not shown, engaging portions or tow members (tow lines, chains, etc.) are provided on the divided bottom pieces 45 and 47, and the chains of the chain block are engaged with the tow members so as to be opened and closed. You may. Therefore, the kneading / mixing machine 2 operates the hydraulic actuator 50 after removing the bolt 49 when performing the cleaning, maintenance, inspection and repair, parts replacement, etc., as shown in FIG. The divided bottom pieces 45 and 47 are opened right and left downward through the hinges 46 of the pivoting portion 48, and the residual soil in the casing 40 can be dropped down by gravity and discharged very easily. Can be reliably and easily cleaned.

Since the bottom of the casing 40 is opened, the liners 56 and paddles 16 affixed inside the casing for protection are provided in the divided bottom pieces 45 and 47.
Cleaning, maintenance, inspection and repair of parts a, 18a, and replacement of parts can be easily performed without obstructing the paddles 16a, 18a and the paddle rotating shafts 16, 18. Also, the bottom 44
Is shown as a two-part split bottom piece 45, 47, but as shown by a two-dot chain line in FIG. 6, the bottom 44 is made integral and one end is supported on a pivot shaft 46 of a casing body (upper part) 42. Alternatively, the engaging portion 49a at the other end may be detachably connected to the casing body 42 by a connecting means such as a bolt so as to be opened and closed.

In the above embodiment, the casing 40
The split bottom pieces 45 and 47 open and close in the left-right direction as viewed from the front of the casing 40 as shown in FIG. 6. However, the present invention is not limited to this. For example, the modified example shown in FIG. The bottom 44 in front and rear of the casing 40 as shown in FIG.
One end of each of the divided bottom pieces 405 and 407 is rotatably supported so that it can be opened and closed in the vertical direction by the front and rear pivot portions 48a and 48b of the skeleton 39 of the casing 40. Bolt 4 connecting flanges 405a, 407a at the other end of divided bottom pieces 405, 407
9 or the skeletal portion 39 and the divided bottom pieces 405 and 407 may be detachably connected by bolts 501 for connection.

Also, as shown by the two-dot chain line in FIG. 7, the divided bottom pieces 405 and 407 are not divided, and can be opened and closed in the vertical direction at one of the pivotal portions 48a (or 48b) at the longitudinal ends. Thus, it may be configured such that it can be pivotally supported and the other end can be detachably fastened to the pivotally supporting portion 48b (or 48a) of the casing body 42. In addition, the lower front lower end 8ac and the lower rear lower end 8bc of the front part 8a and the rear part 8b can be opened and closed as shown by the arrow Y in FIG. And the casing 40
May be discharged by scraping out from the front portion 8a or the rear portion 8b.

Further, as in the other modified example shown in FIG. 8, for example, the casing 40 is divided into a front portion 8a, a rear portion 8b, and a side portion 4.
1, 43 and the divided bottom pieces 45, 47 are constituted by a plurality of large blocks and detachably connected to each other. Further, in the present embodiment, each of the large blocks is connected to the side portions 41, 43 and the divided bottom piece 4
5 and 47 are divided into a plurality of parts, for example, the side part 41 and the divided bottom part 47 are divided
c, and the divided piece is the casing body 42
Or, if they are detachably connected by the skeletal portion 39 of the casing 40 or the pivoting member 8d provided on the adjacent divided piece,
It is sufficient to open and close only the above-mentioned large block and each of the divided parts that need to be cleaned, maintained, inspected and repaired, and to replace parts in the casing 40, and to be easily worn out. Labor and man-hours can be reduced.

Further, the above-described opening and closing structure of the casing of the kneading / mixing machine 2 can provide the same operation and effect as described above even when applied to the mixing machine 86. Therefore, even if the deposit prevention device M provided in each hopper h fails as described above, the above-mentioned construction-generated soil and soil improving agent adhere to and accumulate on the chute 20 of the hopper h and the deposit prevention device M. Opening the lower and lower sides of the casing 40, the hopper h
The construction waste soil 67 and the soil conditioner R accumulated in the inside can be dropped downward, and the solidification of the construction waste soil 67 and the soil conditioner can be prevented in the hopper h. Repair can be easily performed from below.

In the case of the above-mentioned repair, daily cleaning, maintenance, inspection and repair, replacement of parts, etc., the hydraulic actuator 500 is operated after the bolt 49 is removed.
For example, as shown in FIGS.
5, 47 through the hinge 46 of the pivot 48,
The casing 40 is opened downward in the front-rear direction, and the residual soil in the casing 40 can be dropped down and discharged very easily by gravity, so that the inside of the casing 40 can be reliably and easily cleaned.

Although the kneading / mixing machine 2 has been described above, the same operation and effect as in the case of the kneading / mixing machine 2 can be obtained even if the above-mentioned casing opening / closing structure is applied to the casing of the mixer 86. it can. Therefore, the soil improvement device with a kneading / mixing machine of the present invention can easily and easily perform the above-mentioned maintenance such as cleaning, maintenance, inspection and repair, and replacement of parts, thereby improving productivity.

[0057]

According to the first aspect of the present invention, a hopper provided at a supply port of a conveyed object and a supply means for supplying the conveyed object to the hopper are provided. A chute supported so as to hang down toward the exit direction in the hopper;
Since the movable means for giving at least one of vibration and shock is provided, even if the transported object is deposited between the inner periphery of the hopper and the chute, the movable means is operated. By operating the chute, the deposit can be released from the hopper.

According to a second aspect of the present invention, there is provided the apparatus for preventing a substance from contaminating according to the first aspect, wherein a conveyer for conveying the object to be conveyed, a kneading / mixing machine for processing the object to be conveyed, Since the hopper is provided on at least one of the conveyor and the device, the device includes at least one of a mixer and a sieve.
In addition to the effect of the first aspect, the transported material is not deposited in the hopper of the transporting conveyor or the supply port of the device, and the transporting, kneading, mixing, and sorting can be smoothly performed.

According to a third aspect of the present invention, there is provided the apparatus for preventing attachments according to the first or second aspect, wherein the supporting member for supporting the chute by a hanging cable and the connecting member attached to the supporting member are provided. The movable means for moving up and down, a separate drooping rope hanging separately from the hanging rope to the support member, and a support shaft supported by the separate drooping rope with an interval in the vertical direction of the separate hanging rope And a chute provided with an upper end supported by the support shaft so as to hang down such that the upper end of the chute hung down on the support shaft overlaps the lower end of the adjacent upper chute. Since it is provided, in addition to the effect of claim 1 or 2, when the connecting member is actuated downward by the movable means, the hanging cable and the other hanging cable are slackened, and the distance between the support shafts is reduced, Upper shoot Bend folded to each other in the polymerization unit of the upper end of the chute downwardly adjacent to the lower end, it is possible to easily peel the deposits attached to the respective chutes.

According to a fourth aspect of the present invention, in the configuration of any one of the first to third aspects, the moving means of the chute includes a cam mechanism, a crank mechanism, and an impact mechanism. Claim 1
In addition to the effect of any one of the above items 3, there is a degree of freedom in designing since it can be applied as appropriate according to design specifications. According to the attached matter prevention device of the present invention described in claim 5, claim 1 is provided.
In the configuration according to any one of the first to fourth aspects, the moving means of the chute is configured to be able to be operated automatically or manually. Because it can be set manually or automatically according to the specifications,
By the composition of the transported object, the transported object can be smoothly supplied to the hopper.

According to the soil improvement device with the attached matter prevention device according to the sixth aspect of the present invention, in the soil improvement device, the transport conveyor for transporting the construction generated soil and the construction generated soil from the transport conveyor are treated. Kneading / mixing machine, mixing machine,
A hopper provided on at least one of the transport conveyor and the device, and having a hopper provided at least one of the devices such as a sieving machine, and drooping toward an exit direction in the hopper. And a movable means for applying at least one of vertical movement, vibration, and impact to the chute is provided. It can prevent the supply of soil from being interrupted.

According to the seventh aspect of the present invention, in the configuration of the sixth aspect, the hopper for receiving the construction soil and the construction soil from the hopper are designed. A conveyor that weighs and transports a set amount set according to the specifications, supplies the construction-generated soil of the set amount from the transport conveyor and a soil conditioner of the set amount set according to the design specifications. A kneading / mixing machine to be kneaded and kneaded, the chute provided on at least one hopper of the hopper, the kneading / mixing machine and the hopper provided on the conveyor, and the chute provided on the chute. Since the movable means is provided, there is no adhesion between the above-mentioned chute and the inner peripheral surface of the hopper, and the above-mentioned construction occurs on the above-mentioned conveyor and equipment. It is possible to prevent the supply of is blocked, it is possible to smoothly operate allowed increase productivity the soil modifying apparatus.

According to an eighth aspect of the present invention, there is provided the soil improvement device with the attached matter preventing device according to the seventh aspect of the present invention, wherein the improved material from the kneading / mixing machine is strengthened, solidified, and absorbs moisture. A mixer for mixing at least an additive that promotes the strengthening of the strength, the chute provided in at least one hopper of the hopper of the mixer and the hopper of the kneading / mixing machine, Since the movable means provided on the chute is provided, in addition to the effect of claim 7, it is possible to further improve the soil quality more stably and improve the productivity of the improved soil.

According to a ninth aspect of the present invention, in the configuration of any one of the sixth to eighth aspects, the improved material from the kneading / mixing machine is transported. A configuration in which the additive is supplied to a supply port provided on the transport conveyor upstream of the supply port of the transport conveyor, and the improved product is supplied after the surface of the transport conveyor is coated with the additive. Therefore, in addition to the effect of any one of claims 6 to 8, the above-mentioned improved products and additives do not adhere to and accumulate on the conveyor,
The above soil improvement device can be operated smoothly.

According to the tenth aspect of the present invention, a hopper for receiving construction soil and a set amount of the construction soil from the hopper are set according to design specifications. A fixed-quantity feeder that measures and conveys each, a conveyer that conveys the set amount of construction-generated soil from the fixed-quantity feeder to a kneading / mixing machine, and a hopper provided in the hopper, the kneading / mixing machine, and the conveying conveyor The chute provided on at least one of the hoppers, the movable means provided on the chute, and the upstream or downstream side of the supply port of the transport conveyor that supplies the construction soil from the fixed quantity feeder. Soil modification to supply a soil conditioner that enhances the strength of the construction-generated soil and promotes the absorption of moisture into the supply port provided on the conveyor And an additive tank for supplying an additive that enhances at least the strength of the construction soil generated, solidification, and moisture absorption, and promotes the absorption of moisture at the supply tank or the supply port of the conveyor. Therefore, the soil improving agent or additive absorbs at least the moisture of the construction soil and enhances the strength, thereby enabling stable soil improvement and preventing the construction soil from adhering to the transport conveyor.

Further, the chute provided on at least one of the hoppers, the kneading / mixing machine and the hopper provided on the transport conveyor may be provided with the movable means even if the deposits adhere and deposit. Can be actuated to cause separation and drop, and the operation of the soil improvement device can be smoothly performed to improve productivity. According to the soil improvement device with a deposit prevention device of the present invention described in claim 11, in the configuration according to any one of claims 6 to 10, at least one of the kneading / mixing machine and the mixing machine. Since at least one of the side, bottom, front, and rear portions of one of the casings is configured to be openable and closable, in addition to the effects of any one of claims 6 to 10, As described above, even if the moving means of the chute provided in each hopper fails and the construction-generated soil or soil conditioner adheres and accumulates on the hopper or chute, the lower and lower sides of the casing are moved. When opened, the above-mentioned construction-generated soil and soil improving agent deposited in the hopper can be dropped, and the above-mentioned construction-generated soil and soil improving agent can be prevented from solidifying in the hopper.

In addition, cleaning, maintenance,
Inspection, repair, and parts replacement can be performed easily and easily with respect to the casing of the kneading / mixing machine from the left, right, front and rear, and lower directions, and the operation rate of the soil improvement device is improved. Thus, the productivity of the improved soil can be improved.

[Brief description of the drawings]

FIG. 1 is a schematic explanatory view showing an embodiment of the present invention.

FIG. 2 is a schematic explanatory view showing a cross section taken along line 2A-2A in FIG.

FIG. 3 is a schematic explanatory view showing a modified example of the chute of the embodiment of FIG. 1;

FIG. 4 is a schematic explanatory view showing an application example in which the attached matter prevention device of the present invention is applied to a soil improvement device using a soil improvement agent.

FIG. 5 is a schematic explanatory view showing an application example in which the attached matter prevention device of the present invention is applied to a soil improvement device using a lime method.

FIG. 6 is a schematic explanatory view showing the structure of a kneading / mixing machine used in the soil improvement apparatus shown in FIGS. 4 and 5.

FIG. 7 is a schematic explanatory view showing a modified example of the kneading / mixing machine shown in FIG.

8 is a schematic explanatory view showing another modified example of the kneading / mixing machine shown in FIG.

FIG. 9 is a schematic explanatory view schematically showing a conventional soil improvement device for construction soil.

[Explanation of symbols]

 2 kneading / mixing machine (paddle mixer) 2a supply port 2b outlet 8a front part of casing 8b rear part of casing 8ac front lower end part 8bc rear lower end part 13,15 hanging cable 14 support member (support shaft 14a) 16,18 paddle rotation shaft 16a, 18a Paddle 20 Chute 22 Connecting member 26 Cam follower 30 Cam shaft 32 Cam 36 Driving means 40 Casing 42 Casing body 44 Bottom 45 Split bottom piece 45a Flange 46 Hinge 47 Split bottom piece 47a Flange 48 Piercing part 49 Bolt 67 Construction earth 74 Hopper 76 Fixed-quantity feeder (transport conveyor) 80 Bucket conveyor 81 Bucket 90 Vibrating sieve 95,96 Transport conveyor H Additive R Soil conditioner

Claims (11)

[Claims] 1. A hopper provided at a supply port of a conveyed object, a supply unit for supplying the conveyed object to the hopper,
A chute supported so as to be hung down toward an exit direction in the hopper; and a movable means for giving at least one of vertical movement, vibration, and impact to the chute. , Deposits prevention device. 2. The apparatus according to claim 1, further comprising a transport conveyor for transporting the transported object, and at least one of a kneading / mixing machine, a mixer, and a sieving machine for processing the transported object. 2. The apparatus according to claim 1, wherein the hopper is provided on at least one of the devices.
An apparatus for preventing deposits according to the above description. 3. A supporting member for supporting the chute by a hanging cable, the movable means for vertically moving a connecting member attached to the supporting member, and a separate hanging member hanging down on the supporting member separately from the hanging cable. A rope, a supporting shaft supported by the separate hanging rope with an interval in the vertical direction of the separate hanging rope, and a chute provided at the upper end so as to be supported and suspended by the support shaft, 2. The chute according to claim 1, wherein an upper end of the chute suspended from the support shaft is provided so as to overlap with a lower end of the adjacent chute.
Or the deposit deposit preventing device according to 2. 4. The moving means of the chute is a cam mechanism,
The deposit preventing device according to any one of claims 1 to 3, comprising a crank mechanism and an impact mechanism. 5. The apparatus according to claim 1, wherein the movable means of the chute is configured to be operated automatically or manually. 6. A soil improvement device, comprising: a conveyor for transporting construction soil, and at least one of a kneading / mixing machine, a mixer, and a sieve for treating the construction soil from the conveyor. Having one device, providing a hopper provided on at least one of the transport conveyor and the device, and providing a chute supported so as to hang down toward an exit direction in the hopper. And a movable means for applying at least one of vertical movement, vibration and impact to the chute. 7. A hopper for receiving the construction soil, a conveyor for measuring and transporting the construction soil from the hopper by a set amount set according to design specifications, and A kneading / mixing machine in which a set amount of construction soil and a set amount of soil conditioner set according to design specifications are supplied and kneaded and mixed;
7. The apparatus according to claim 6, further comprising: the chute provided on at least one of the hoppers provided on the kneading / mixing machine and the conveyor, and the movable means provided on the chute. A soil improvement device with a deposit prevention device according to the above. 8. A mixer for mixing the improved product from the kneader / mixer and an additive which enhances the strength at least among strength enhancement, solidification and moisture absorption, a hopper of the mixer, 8. The apparatus according to claim 7, wherein the chute provided on at least one of the hoppers of the kneading / mixing machine and the movable means provided on the chute are provided. With soil improvement equipment. 9. The additive is supplied to a supply port provided on the transport conveyor upstream of a supply port of the transport conveyor for transporting the improved product from the kneading / mixing machine, and the surface of the transport conveyor is cleaned. The soil improvement device with a deposit prevention device according to any one of claims 6 to 8, wherein the improved material is supplied after being coated with an additive. 10. A hopper for receiving construction soil, a fixed quantity feeder for measuring and transporting the construction soil from the hopper by a set amount set according to design specifications, and a set quantity from the fixed feeder. Knead the soil generated from construction
A conveyor for conveying to the mixer, the chute provided on at least one hopper of the hopper, the kneading / mixing machine and the hopper provided on the conveyor, and the movable means provided on the chute. A soil that enhances the strength of the construction-generated soil and promotes the absorption of moisture at a supply port provided on the conveyance conveyor upstream or downstream of the supply port of the conveyor that supplies the construction-generated soil from the fixed-quantity feeder. To the soil improver tank for supplying the improver or the feed port of the conveyor, supply an additive that enhances at least the strength of the strength, solidification, and moisture absorption of the construction-generated soil, and promotes the absorption of moisture. A soil improvement device with a deposit prevention device, comprising: an additive tank. 11. At least one of a side portion, a bottom portion, a front portion, and a rear portion constituting a casing of at least one of the kneading / mixing machine and the mixing machine is configured to be openable and closable. Characterized by the fact that
The soil improvement device with a deposit prevention device according to any one of claims 6 to 10.