JP2002316029A - Vacuum car having kneading function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vacuum car having a kneading function in which the permissible volume of sludge to be sucked can be secured, the solid component of sludge is prevented from being precipitated and mortar sludge is prevented from being solidified, and from which the sucked sludge can be discharged speedily after transported to a destination site. SOLUTION: This vacuum car is provided with such a kneading unit for preventing the stored sludge from being precipitated and solidified during transportation by agitating/kneading the stored sludge by the kneading unit with a rotary shaft arranged in a storage tank to be rotated, a drive for driving/ rotating the rotary shaft and a plurality of agitation members which are extended radially from the rotary shaft and a part of all of which are fit to the rotary shaft while a space is left between the adjacent agitation members in the longitudinal direction of the rotary shaft. When the stored sludge is agitated and kneaded, the stored sludge is aerated by operating a vacuum pump if necessary and opening a part of the storage tank so that the agitating/ kneading efficiency of the stored sludge is enhanced much more.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suction wheel with a kneading function, and more particularly, to a suction wheel having both a suction function and a suction material kneading function and extending a plurality of agitating members radially from a rotating shaft in a storage tank. By extending the agitating members at a distance from each other along the axial direction of the rotating shaft, a large allowable suction volume can be secured, and at the same time, precipitation of solid components of sludge and solidification of mortarized sludge are prevented. The present invention relates to a suction truck with a kneading function capable of quickly discharging suction sludge after transportation.

[0002]

2. Description of the Related Art In various excavations at a construction site, excavated earth and sand is generated as industrial waste. Sediment as industrial waste is transported as it is to a waste disposal site by truck, or it is made sludge with water and sucked by a suction pump truck and transported to a waste disposal site. In addition, sludge is kneaded with cement at the agitation treatment facility at the construction site,
This kneaded material (mortarized sludge) is transported to another construction site by a mixer truck or a suction truck, where it may be reused as construction material.

[0003]

However, the above-mentioned prior art has the following problems. Since conventional suction pump trucks did not have a kneading device in the storage tank, solid components such as gravel, sand, and clay among the sucked sludge were deposited on the bottom surface of the storage tank during transportation, and this sediment was In some cases, the wastewater was not immediately discharged from the discharge port at the treatment plant, and a large amount remained in the storage tank. Also, conventional suction trucks did not have a kneading device in the storage tank, so when transporting mortarized sludge,
When arriving at the recycling site, the mortarized sludge is hardening. When the curing proceeds, the mortarized sludge cannot be smoothly discharged from the tank, and the mortarized sludge sometimes remains in a large amount in the tank.

The present invention has been made in view of such circumstances, and has both a suction function and a suction material kneading function. In addition, a plurality of stirring members are radially extended from a rotating shaft in a storage tank to form the stirring member. By extending the members at a distance from each other along the axial direction of the rotating shaft, it is possible to secure a large allowable suction volume, knead the sludge at the sludge generation site, and discharge it as backfill soil. It is another object of the present invention to provide a suction car with a kneading function capable of preventing precipitation of sludge solid components to be discharged and solidification of mortarized sludge and quickly discharging suction sludge after transportation.

[0005]

According to the first aspect of the present invention,
A hose for sucking sludge-like waste, a storage tank for storing sludge-like waste or its mortarized material sucked through the hose and having an outlet for the stored matter, and depressurizing the inside of the storage tank to reduce the tank pressure. A vacuum pump for generating a suction force therein, and a kneading device for kneading the sludge waste or the mortarized material in the storage tank are mounted on a vehicle, and the kneading device is rotatable in the storage tank. A rotating shaft, a driving device that rotationally drives the rotating shaft, and a plurality of stirring members radially extending from the rotating shaft, and a part or all of the stirring member is attached to the rotating shaft. They are attached to each other at intervals in the axial direction, and by stirring and kneading the stored material with the kneading device, sedimentation and solidification of the stored material while the vehicle is moving are prevented. A kneading function characterized in that the stirring and kneading efficiency of the stored material can be further increased by operating the vacuum pump as necessary and opening a part of the storage tank to aerate the stored material when stirring and kneading the material. It is a suction car with.

According to a second aspect of the present invention, the stirrer members are attached to the rotating shaft at intervals in the axial direction thereof, or the stirring members are spaced apart from each other in the axial direction thereof. 2. The suction wheel with a kneading function according to claim 1, wherein at least one of the angles formed by the stirrers attached separately around the rotation axis is changeable. 3.

According to a third aspect of the present invention, the rotating shaft is disposed along an axial direction of the storage tank formed in a horizontal cylindrical shape, and the stirring member includes a support member extending from the rotating shaft. 2. The suction with kneading function according to claim 1, further comprising a stirring blade attached to a tip of the support member, wherein the stirring blade has a changeable mounting angle to the support member. It is a car.

According to a fourth aspect of the present invention, the rotating shaft is disposed along an axial direction of the storage tank formed in a horizontal cylindrical shape, and the stirring member includes a support member extending from the rotating shaft. A stirring blade attached to the tip of the support member, and the stirring blade is configured such that a portion that contacts the inner surface of the storage tank is formed of an elastic member.
2. The suction wheel with a kneading function according to claim 1, wherein the suction wheel has a kneading function that is deformable along the inner surface when the inner surface comes into contact with the inner surface of the storage tank.

According to a fifth aspect of the present invention, in the storage tank, a plurality of the rotating shafts are arranged and the rotating shafts are arranged in parallel with each other, and the sludge is formed by the stirring member attached to each rotating shaft. The suction truck with a kneading function according to claim 1, wherein the waste is kneaded.

According to a sixth aspect of the present invention, a stirrer provided at a tip of the stirrer member has a ridge and a valley formed continuously on a lower inner surface of the storage tank and extending parallel to the rotation axis. 6. The suction wheel with a kneading function according to claim 5, wherein the suction wheel rotates along an opposing surface of an adjacent peak portion and a surface of a valley portion therebetween.

The invention according to claim 7 is the suction wheel with a kneading function according to claim 5, wherein the stirring blade provided at the tip of the stirring member passes near the adjacent rotary shaft. .

The invention according to claim 8 is the suction wheel with a kneading function according to claim 1, wherein the driving device employs a hydraulic drive system. The above problems are completely solved by providing these inventions.

[0013]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a side view showing a suction wheel with a kneading function according to the present invention. FIG. 2 is a partial cross-sectional rear view of the suction wheel with a kneading function shown in FIG. 1. FIG. 3 is a side view showing an example of the kneading apparatus according to the present invention. FIG.
1 is a rear view showing an example of a kneading apparatus according to the present invention. The suction wheel with kneading function (1) according to the present invention includes a hose (2), a storage tank (3), a vacuum pump (4),
The kneading device (5) is mounted on a vehicle.
Hereinafter, these components will be sequentially described in detail.

The hose (2) is for sucking sludge waste. The hose (2) is flexible and has a proximal end connected to the storage tank (3) via a suction pipe (6) (see FIGS. 2 and 3). The tip of the hose (2) is inserted into the sludge waste.

The storage tank (3) stores sludge-like waste or its mortarized material sucked through the hose (2). The storage tank (3) is formed in a horizontal cylindrical shape, and its front end is sealed by a disk-shaped part (7), and its rear end is opened and closed by a disk-shaped lid (8). . The lower part of the lid (8) is provided with a discharge port (9) with an opening / closing valve, and the sludge waste in the storage tank (3) can be discharged through the discharge port (9). A suction pipe (6) is provided at the rear end of the storage tank (3), and the sludge waste is sucked into the storage tank (3) through the suction pipe (6). The upper part of the storage tank (3) is connected to a vacuum pump (4) via a pump connection pipe (10) (see FIG. 1), and the inside of the storage tank (3) is controlled by the vacuum pump (4). Decompressed,
A suction power for sludge waste can be generated.

The rear end of the storage tank (3) is rotatably connected to the chassis (11) so that the storage tank (3) can be raised and lowered on the chassis (11) of the vehicle. A cylinder device (12) for raising and lowering the storage tank (3) is provided between the storage tank (3) and the chassis (11) such that the front side of the storage tank (3) moves up and down.

Further, a cement inlet (13) (see FIG. 3) is provided at an upper portion of the storage tank (3), and the cement can be injected from the cement inlet (13). This cement inlet (13) can also function as an internal inspection port.

The vacuum pump (4) reduces the pressure in the storage tank (3) to generate a suction force in the tank (3). The vacuum pump (4) and the storage tank (3) are connected via a pump connection pipe (10). The type of the vacuum pump (4) is not particularly limited, but for example, a roots blower type can be used.

The kneading device (5) stirs and kneads the sludge waste or the mortarized product thereof in the storage tank (3). The kneading device (5) includes a rotating shaft (14) rotatably arranged in the storage tank (3), and a rotating shaft (1).
4) a driving device (15) for rotationally driving the rotating shaft (1);
4) a plurality of agitating members (16) radially extending from (4), and a part or all of the agitating members (16) are attached to the rotating shaft (14) at a distance from each other in the axial direction thereof. (See FIG. 3). Although the drive system of the drive device (15) is not particularly limited, for example, a hydraulic drive system can be adopted. In this case, the hydraulic pump is operated by a part of the output of the traveling drive engine, and the pump is operated. A method of operating the hydraulic motor with the hydraulic pressure obtained from the above can be adopted. Hydraulic motors are much more compact than electric motors, have low inertia, and are capable of continuously variable transmission.

The whole of the stirring member (16) is a rotating shaft (14).
FIG. 3 shows an example in which the agitating member (16) is partially attached to the rotating shaft (14) in the axial direction. As an example of mounting at intervals, the state shown in FIG. 5 can be mentioned. That is, in the state shown in FIG. 5, the stirring members (16A) and (16A) are
The stirring member (16A) and the stirring member (16B) are attached to the rotary shaft (14) at the same position in the axial direction.

The rotating shaft (14) is arranged along the axial direction of the storage tank (3) formed in a horizontal cylindrical shape.
The front end and the rear end are each rotatably supported by a bearing member (17) (see FIG. 3) provided in the storage tank (3). The front end of the rotating shaft (14) projects outside from the front end of the storage tank (3). Rotary axis (1
The front end of 4) is connected to a rotary drive shaft (18) extending from the drive (15).

The driving device (15) is for driving the rotating shaft (14) to rotate, and is arranged in front of the storage tank (3). The rotation drive shaft (18) can be moved up and down and tilted in accordance with the movement of the storage tank (3), whereby the rotation drive shaft (18) and the rotation shaft (14) are connected. , The storage tank (3) can be dumped up.

The stirring member (16) is for stirring the sludge waste in the storage tank (3), and the stirring operation can knead the sludge waste. The stirring member (16) rotates along the circumference (C) illustrated in FIG. A plurality of stirring members (16) extend radially from the rotation shaft (14), and a part or all of the stirring members (16) are spaced from each other on the rotation shaft (14) in the axial direction thereof. Attached.

In the present invention, the stirring member (16)
(L) (see FIG. 3) or stirring member (1).
6) is an angle (θ) formed between each other around the rotation axis (see FIG. 4).
It is preferable that at least one of them can be changed. By making any one of them changeable, the degree of kneading of the sludge-like waste can be adjusted.

Further, the stirring member (16) has a rotating shaft (14).
It is preferable that it is detachably attached to the. By being detachably attached, the number of the stirring members (16) can be increased or decreased as necessary. In the example shown in FIGS. 3 to 5, the base end of the stirring member (16) is formed in a ring shape that can be divided into two parts, and the inner peripheral surface of the ring-shaped part (19) forms the outer periphery of the rotating shaft (14). The surface is to be tightened. When attaching the stirring member (16) to the rotating shaft (14), the two C-shaped portions (19a) and (19b) constituting the ring-shaped portion (19) are flange-coupled with bolts and nuts. May be released to divide the ring-shaped portion (19) into two parts.

The attachment interval (L) of the stirring member (16) and the angle (θ) formed by the stirring member (16) with respect to the rotation axis can be changed, for example, by using the above-mentioned attachment structure. That is, the stirring member (16) in a state where the ring-shaped portion (19) is divided is located at a desired position on the rotating shaft (14), and two C-shaped portions (19a),
By combining (19b) and forming the ring-shaped portion (19), the stirring member (16) can be attached to a new position.

The stirring member (16) includes a support member (20) extending from the rotating shaft (14) and the support member (2).
And a stirring blade (21) attached to the tip of (0). In this configuration, the stirring blade (2
In 1), it is preferable that the attachment angle to the support member (20) can be changed. By changing the mounting angle of the stirring blade (21), the degree of kneading of the sludge waste can be adjusted.

In the example shown in FIGS. 3 to 5, the support member (2
0) has a rod shape, and the stirring blade (21) has a plate shape. A support member (2) is provided on the rotation shaft (14) side of the stirring blade (21).
0) is provided with a first flange portion (22) (see FIG. 5) for coupling with the support member (20).
A second flange portion (23) is provided which is coupled to the first flange portion (22) of the stirring blade (21). A plurality of bolt insertion holes are formed in each flange portion, the bolt insertion holes are overlapped with each other, a bolt is inserted into the bolt insertion hole, and a nut is screwed into this bolt,
The stirring blade (21) and the support member (20) can be connected. When the mounting angle of the stirring blade (21) is changed, first, the screwing of the bolt and the nut is released and the bolt is removed, and then the first flange portion (22) is rotated so that the bolt insertion hole which overlaps and matches. , And in this state, the first flange portion (22) and the second flange portion (23) may be connected with bolts and nuts.

Further, the stirring member (16) is connected to the rotating shaft (1).
When the support member (20) extends from the support member (20) and the stirring blade (21) attached to the tip of the support member (20), the stirring blade (21) is provided on the inner surface of the storage tank (24) ( (See FIG. 4). An elastic member made of synthetic rubber or the like is configured to contact the inner surface (24) of the storage tank so that the elastic portion (21a) can be deformed along the inner surface (24). Preferably, it is configured. By configuring the stirring blade (21) in this manner, sludge-like waste near the inner surface (24) of the storage tank can be surely kneaded. In this case, the position of the rotating shaft (14) is lower than the center position of the storage tank (3), and the elastic portion (2
If 1a) is configured to contact the inner bottom surface of the storage tank (3), the sand and clay of the sludge to be settled can be reliably scraped, and the kneading operation can be performed more reliably.

Further, the stirring member (16) is connected to the rotating shaft (1).
4) and a stirring blade (21) attached to the tip of the support member (20), the support member (20) is provided at the base end of the support member (20). A second support member (20a) having a shorter length than 20).
(See FIG. 5), and the second support member (20
Preferably, a second stirring blade (21a) is attached to the tip of a). The second support member (20a) having a short length
By rotating the one to which the stirring blade (21a) is attached, it is possible to surely knead the sludge around the middle of the long support member (20). The second stirring blade (21
a) is a second support member (20) similar to the stirring blade (21).
It is preferable to be attached to the tip of a) so that the attachment angle can be changed.

Next, how to use the suction wheel (1) with the kneading function will be described. In the suction wheel (1) with a kneading function, any of a case where the kneading device (5) is operated and used and a case where the kneading device (5) is used without being operated can be arbitrarily selected. When the kneading device (5) is not operated, it can be used as a normal suction wheel.

When operating the kneading device (5), first, the operator goes to a construction site where sludge is generated, and operates the vacuum pump (4). Then, since the pressure inside the storage tank (3) is reduced, the sludge is sucked into the storage tank (3) through the hose (2) by inserting the end of the hose (2) into the sludge, and the sludge is stored. Is done.

After storing a predetermined amount of sludge, the vacuum pump (4) is stopped, and the kneading device (5) is operated this time. Then, the stored sludge is uniformly stirred and kneaded by the stirring blades (21). Therefore, the sludge sand and clay do not accumulate on the inner bottom surface of the storage tank (3) during transportation. After storing the sludge, the cement may be introduced from the cement inlet (13), and then the kneading device (5) may be operated. In this case, the stored sludge is kneaded together with the cement and mortarization of the sludge is performed, but the kneading operation is continued during transportation. Thus, the mortarized sludge does not solidify during transportation. When kneading with the kneading device (5), the vacuum pump (4) is operated,
The kneading efficiency is increased by opening the discharge port (9) and aerating with external air.

When the vehicle travels and arrives at the place where the sludge should be discharged, the cylinder device (12) is extended, the front side of the storage tank (3) is raised, and the dumping operation is performed. When the valve at the outlet (9) is opened with the dumped up,
Sludge having good fluidity is vigorously discharged from the discharge port (9). When all the sludge has been discharged, the valve of the discharge port (9) is closed, and the front side of the storage tank (3) is lowered to the original position. Thus, the sludge discharge operation is completed.

Suction wheel with kneading function according to the present invention (1)
Is provided with both a suction function and a suction material kneading function, and a plurality of stirring members (16) are radially extended from the rotating shaft (14) in the storage tank (3) to allow the stirring members (1) to extend.
6) are extended at a distance from each other along the axial direction of the rotating shaft (14), so that the stirring member (16) can be made compact, whereby the sludge-like waste is sucked. It is possible to secure a large allowable volume, prevent solidification of sludge solid components and solidify mortarized sludge, and quickly discharge suction sludge after transportation.

The configuration of the suction wheel (1) with a kneading function according to the present invention is not limited to the above-described one, and the following configuration is also possible. Each of the suction wheel (1) shown in FIGS. 6 and 7 and the suction wheel (1) shown in FIGS. 8 and 9 has a plurality of rotating shafts (14) arranged in the storage tank (3) and these rotating shafts. (14) are arranged in parallel with each other, and the stirring member (1) attached to each rotating shaft (14).
6) is configured to knead sludge waste. In addition, each rotating shaft (14) is horizontally adjacent. In the illustrated example, the number of the rotation shafts (14) is two, but may be three or more.

In the suction wheel (1) shown in FIGS. 6 and 7, all the stirring members (16) are attached to each rotating shaft (14) at intervals in the longitudinal direction of the rotating shaft (14). I have. In the suction wheel (1) shown in FIGS.
4) They are attached at a distance from each other in the axial direction. Specifically, two stirring members (16) and (16) are attached to the same location in the axial direction of the rotating shaft (14), and the stirring members (16) and (16) are oriented in opposite directions. Has been extended.

As described above, a plurality of rotating shafts (14) are provided in the storage tank (3), and the stirring force is improved by stirring with the stirring member (16) attached to each rotating shaft (14). The sludge-like waste can be more uniformly and rapidly stirred and mixed than in the case where only one rotating shaft (14) is used.

When a plurality of rotation shafts (14) are used,
The suction wheel (1) is provided on the inner surface of the lower part of the storage tank (3) as shown in FIG.
As shown in FIGS. 9 and 9, a ridge (26) and a valley (25) extending in parallel with the rotation axis (14) are formed continuously, and a stirring blade (21) provided at the tip of the stirring member (16) is provided. , The opposing surfaces of adjacent peaks (26) and the valleys (2
It is preferable to be configured to rotate along the surface of 5). With such a configuration, the stirring member (16) can surely scrape off all the sludge-like waste at the lower part of the storage tank (3).

When a plurality of rotating shafts (14) are used, the suction wheel (1) is provided with a stirring blade (21) provided at the tip of the stirring member (16) in the vicinity of the adjacent rotating shaft (14). Is preferably configured to pass through. With such a configuration, the sludge-like waste in the vicinity of the rotating shaft (14) can be surely stirred and kneaded. Further, it is preferable that the adjacent rotating shafts (14) are rotationally driven in directions opposite to each other. Rotating in the opposite direction allows uniform and reliable stirring and kneading than rotating in the same direction.

The stirring member (16) is connected to the rotating shaft (1).
When the support member (20) extends from the support member (20) and the stirring blade (21) attached to the tip of the support member (20), the stirring blade (21) is provided on the inner surface of the storage tank (the peak ( 26) and the valleys (25)) are made of an elastic member such as synthetic rubber, so that the elastic parts can be deformed along the inner surface when they come into contact with the inner surface of the storage tank. Is preferred.

[0042]

The suction wheel with kneading function according to the present invention has both a suction function and a suction material kneading function, and a plurality of stirring members extend radially from a rotating shaft in a storage tank to rotate the stirring members. Since the agitating members are extended at a distance from each other along the axial direction of the shaft, the agitating member can be made compact. Ensure the stirring and kneading of the stored material in the inside, prevent sedimentation of solid components of sludge and solidification of mortarized sludge,
After transportation, the suction sludge can be quickly discharged. In addition, by operating the kneading device, operating the vacuum pump and partially opening the storage tank to aerate the stored material, the efficiency of stirring and kneading the stored material can be further increased.

[Brief description of the drawings]

FIG. 1 is a side view showing a suction wheel with a kneading function according to the present invention.

FIG. 2 is a partial cross-sectional rear view of the suction wheel with a kneading function shown in FIG.

FIG. 3 is a side view showing an example of a kneading apparatus according to the present invention.

FIG. 4 is a rear view showing an example of a kneading apparatus according to the present invention.

FIG. 5 is a perspective view showing another example of the kneading apparatus in the present invention.

FIG. 6 is a plan view showing an example in which the number of rotating shafts is two in the suction wheel with a kneading function according to the present invention, and is a see-through view of the inside of a storage tank.

7 is a diagram showing the operation of the kneading device in the suction wheel shown in FIG. 6, and (a), (b), (c) and (d) are diagrams showing the operation in order.

FIG. 8 is a plan view showing another example in a case where the number of rotation shafts is two in the suction wheel with a kneading function according to the present invention, showing the inside of the storage tank in a see-through manner.

9 is a view showing the operation of the kneading device in the suction wheel shown in FIG. 8, and (a), (b), (c) and (d) are views showing the operation in order.

[Explanation of symbols]

 1 ···· Suction truck with kneading device 2 ·········································································· Vacuum pump 5 ····························· 14 ... Rotating shaft 15 ... Drive device 16 ... Stirring member 20 ... Support member 21 ... Stirring blade 25 ... Valley 26 ... Mount L ······························· Angle between the stirring members

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) C02F 11/00 C02F 11/00 C 101 101A (72) Inventor Toshifumi Nishi 3981, Fushida, Kochi-shi, Kochi 7 Kanematsu Inside Engineering Co., Ltd. (72) Inventor Yoshihiro Yamazaki 3981-7, Fushida, Kochi City, Kochi Prefecture Inside Kanematsu Engineering Co., Ltd. (72) Insider Keio Ueno 3981-7, Fushida, Kochi City, Kochi Prefecture, Inside Kanematsu Engineering Co., Ltd. F term (reference) 4D059 AA09 BG03 BJ03 CB01 CB22 CC04 DA66 4G035 AB46 4G037 DA15 DA21 EA03 4G078 AA04 AB20 BA01 BA07 DA01

Claims (8)

[Claims] 1. A hose for sucking sludge-like waste, a storage tank for storing sludge-like waste sucked through the hose or a mortarized product thereof, and having a discharge port for the stored matter, A vacuum pump for reducing the pressure to generate a suction force in the tank, and a kneading device for kneading the sludge waste or the mortarized material in the storage tank are mounted on a vehicle, and the kneading device includes A rotating shaft rotatably arranged in the tank, a driving device for rotating the rotating shaft, and a plurality of stirring members radially extending from the rotating shaft, and a part or all of the stirring member. Are attached to the rotating shaft at a distance from each other in the axial direction thereof. By stirring and kneading the stored material with the kneading device, sedimentation and solidification of the stored material while the vehicle is moving are reduced. When stirring and kneading the stored material, the vacuum pump is operated as necessary and a part of the storage tank is opened to agitate the stored material to further increase the stirring and kneading efficiency of the stored material. Suction car with kneading function. 2. The mounting interval of the stirring member attached to the rotating shaft at an interval in the axial direction thereof, or the agitating member attached to the rotating shaft at an interval in the axial direction thereof. The suction wheel with a kneading function according to claim 1, wherein at least one of angles formed between the stirring members around the rotation axis is changeable. 3. The rotating shaft is arranged along an axial direction of the storage tank formed in a horizontal cylindrical shape, the stirring member is a supporting member extending from the rotating shaft, and a tip of the supporting member. The agitating blade with a kneading function according to claim 1, wherein the agitating blade is attached to the support member, and the angle of the agitating blade attached to the support member can be changed. 4. The rotating shaft is arranged along the axial direction of the storage tank formed in a horizontal cylindrical shape, the stirring member includes a supporting member extending from the rotating shaft, and a tip of the supporting member. The stirring blade is attached to the storage tank, and a portion of the stirring blade that is in contact with the inner surface of the storage tank is formed of an elastic member, and the elastic portion is deformed along the inner surface when it contacts the inner surface of the storage tank. The suction wheel with a kneading function according to claim 1, wherein the suction wheel is capable of being kneaded. 5. A method according to claim 1, wherein a plurality of said rotating shafts are arranged in said storage tank and said rotating shafts are arranged in parallel with each other, and said sludge-like waste is kneaded by said stirring member attached to each rotating shaft. The suction wheel with a kneading function according to claim 1, wherein: 6. A ridge portion and a valley portion extending in parallel with the rotation axis are continuously formed on a lower inner surface of the storage tank, and a stirring blade provided at a tip of the stirring member is provided with a stirrer of an adjacent ridge portion. The suction wheel with a kneading function according to claim 5, wherein the suction wheel rotates along the surface of the facing surface and the surface of the valley between them. 7. The suction wheel with a kneading function according to claim 5, wherein the stirring blade provided at the tip of the stirring member passes near the adjacent rotation shaft. 8. The suction vehicle with a kneading function according to claim 1, wherein the drive device employs a hydraulic drive system.