JP2003034176A - Shooter for truck mixer agitator and truck mixer agitator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shooter for truck mixer agitator and a truck mixer agitator capable of enhancing the fluidity of freshly-mixed concrete while reducing the load of a worker. SOLUTION: In this shooter 9 for a truck mixer agitator 1 for carrying freshly-mixed concrete from a rotary drum 5 loaded on a body 3, a vibrator 17 for generating vibration is mounted thereon. Accordingly, even if the worker does not insert the vibrator to the freshly-mixed concrete in the shooter, the fluidity of the freshly-mixed concrete C carried in the shooter 9 can be enhanced by the vibration from the vibrator 17 mounted on the shooter 9, and the load of the worker can be reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mixer car shooter and a mixer car.

[0002]

2. Description of the Related Art Generally, a mixer truck, which is a ready-mixed concrete transportation vehicle, is used in a production plant to mix ready-mixed concrete which is uncured mixed concrete prepared by mixing cement, sand, water, gravel, etc. Transport to. At a construction site, ready-mixed concrete stored in a rotating drum of a mixer truck flows through a shooter and is supplied. At this time, if the liquidity of the ready-mixed concrete is poor, it becomes difficult for the ready-mixed concrete to flow through the shooter. Therefore, conventionally, a worker scoops down the ready-mixed concrete of the shooter with a scoop or the like.

[0003]

However, in order to improve the fluidity of the ready-mixed concrete, the worker uses a scoop or the like to grate down the ready-mixed concrete, which causes a problem that the worker is burdened.

Therefore, an object of the present invention is to provide a shooter for a mixer truck and a mixer truck capable of improving the fluidity of ready-mixed concrete while reducing the burden on the worker.

[0005]

According to a first aspect of the present invention, in a chute of a mixer vehicle in which raw concrete from a rotary drum mounted on a vehicle body is flowed, vibration generating means for generating vibration is attached. Characterize.

According to the first aspect of the invention, since the vibration generating means is attached to the shooter, even if the operator does not insert the vibrator into the raw concrete of the shooter, the vibration from the vibration generating means causes the shooter to flow. The fluidity of the ready-mixed concrete can be increased and the burden on the worker can be reduced.

According to a second aspect of the invention, in the invention according to the first aspect, the vibration generating means includes a vibrator,
The vibrator is attached to the back surface of the shooter.

According to the invention described in claim 2, claim 1
In addition to the same effects and advantages as the invention described in (1), the vibrator has a simple structure in which the vibrator is attached to the back surface of the shooter, and since the fresh concrete does not touch the vibrator, the life of the vibrator can be extended.

According to a third aspect of the present invention, in the invention according to the first aspect, the vibration generating means includes a support member arranged between both edges of the shooter, and a vibrator attached to the support member. Both ends of the support member are fixed to both edges of the shooter, one end side of the vibrator is attached to the support member, and the other end of the vibrator is inserted into the ready-mixed concrete flowing through the shooter. To do.

In the invention described in claim 3, claim 1
In addition to having the same effect as the invention described in (1), the vibration generating means is a simple structure of only fixing the support member to which the vibrator is attached to the shooter, and since the vibrator directly touches the ready-mixed concrete, the fluidity of the ready-mixed concrete is improved. It can be further increased.

The invention according to claim 4 is the invention according to claim 2 or 3.
In the invention described in (4), the vibrator is attached at intervals along the longitudinal direction of the shooter.

According to the invention described in claim 4,
Alternatively, since the same effect as that of the invention described in 3 is achieved and the vibrators are arranged at intervals along the longitudinal direction of the shooter, vibration from the vibrator is easily transmitted to the ready-mixed concrete flowing through the shooter. , The liquidity of ready-mixed concrete is further enhanced.

The invention according to claim 5 is the invention according to claims 2 to 4.
In the invention described in any one of the above 1 to 3, it is characterized by including a raw concrete sensor for detecting raw concrete flowing through the shooter, and when the raw concrete sensor detects the raw concrete, the vibrator vibrates.

In the invention described in claim 5, claim 2
The same effects as those of the invention described in any one of 4 to 4 are obtained, and when the raw concrete sensor detects the raw concrete, the vibrator automatically vibrates, so that the burden on the worker can be further reduced.

According to a sixth aspect of the present invention, in a mixer vehicle in which raw concrete flows from a rotary drum mounted on a vehicle body to a shooter through a hopper, vibration generating means for generating vibration is attached to at least one of the hopper and the shooter. It is characterized by

In the invention according to the sixth aspect, since the vibration generating means is attached to at least one of the shooter and the hopper, even if the worker does not insert the vibrator into the raw concrete of the shooter, the vibration generating means is used. The vibration can increase the fluidity of the ready-mixed concrete flowing through the shooter,
The burden on workers can be reduced.

[0017]

DETAILED DESCRIPTION OF THE INVENTION Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Figure 1
FIG. 2 is a side view showing the mixer vehicle according to the embodiment, and FIG.
3 is a side view schematically showing a shooter of the mixer car of FIG. 1, FIG. 3 is a side view schematically showing a shooter according to a second embodiment, and FIG. 4 is a shooter of FIG. It is a top view.

As shown in FIG. 1, the mixer car 1 includes a car body 3
A rotary drum 5 provided in the rotary drum 5, a hopper 7 for flowing raw concrete into the rotary drum 5, and a rotary drum 5 to a hopper 7
And a shooter 9 for flowing the ready-mixed concrete C (see the chain double-dashed line in FIG. 2) flowing out through the.

The rotary drum 5 is rotationally driven by the drive of the engine, and the rotational driving stirs the raw concrete C contained therein. This agitation prevents the raw concrete C materials (cement, water, gravel, sand, aggregate, concrete, etc.) stored due to vibration of the mixer truck 1 from being separated or biased.

The hopper 7 is an inflow port for inflowing the ready-mixed concrete C into the rotary drum 5, and the ready-mixed concrete C is introduced into the rotary drum 5 via the hopper 7. Moreover, when the raw concrete C flows out from the rotary drum 5, the raw concrete C is directed to the shooter 9 via the hopper 7.

The shooter 9 guides the ready-mixed concrete C toward the supply place. In the present embodiment, a first guide portion 13 and a second guide portion 15 are provided. The second guide portion 15 is rotatable in the directions of arrows A and B in FIG. 2. When not in use, the second guide portion 15 is rotated in the direction of arrow A from the state of FIG. 2 to be compact, and in use, Rotates in the direction of arrow B to increase the length of the shooter 9 in the longitudinal direction. The shooter 9 is provided with a vibrator 17, which is a vibration generating means, and a raw concrete sensor 19 for detecting raw concrete flowing through the shooter 9.

The vibrator 17 is attached to the back surface of the shooter 9, and a plurality of vibrators 17 are provided along the longitudinal direction of the shooter 9. In the present embodiment, four vibrators 17 arranged in the longitudinal direction of the shooter 9 are arranged in two rows, and a total of eight vibrators 17 are attached to the back surface of the shooter 9. In this embodiment, a high frequency vibrator is used as the vibrator 17, but the vibrator 17 is not limited to this. Further, the number of vibrators 17 installed is not limited to eight, and may be, for example, a single piece or a plurality of pieces such as two or three pieces, depending on the usage status of the shooter 9 or the state of the ready-mixed concrete C. It can be changed as appropriate.

In this embodiment, the vibrator 17 is
It is directly fixed to the back surface of the shooter 9 by screwing or welding. Vibrator 1 for this shooter 9
The attachment of the vibrator 7 is not limited to the above-described one, and for example, by providing the vibrator 17 detachably with respect to the back surface of the shooter 9, it is possible to improve the degree of freedom in the attachment of the vibrator 17 to the shooter 17 and the exchangeability. However, there is no particular limitation.

The raw concrete sensor 19 is connected to a control unit 21 for controlling driving and stopping of the vibrator 17,
The control unit 19 drives or stops the vibrator 17 according to a signal from the raw concrete sensor 19. That is, when the raw concrete sensor 19 transmits a signal indicating that the raw concrete C of the shooter 9 has been detected to the control unit 21, the control unit 21 causes the vibrator 1 to move.
7 and the raw concrete sensor 19 is the raw concrete C of the shooter 9.
When the absence is detected, the control unit 21 stops driving the vibrator 17. The raw consensus sensor 19,
When the raw concrete is detected, the vibrator 17 automatically vibrates, so that the burden on the worker can be reduced. Further, as the raw concrete sensor 19, a light-transmissive optical sensor or a raw concrete sensor is pressed to rotate. A mechanical sensor or the like using a rotating plate can be used and is not particularly limited.

Next, the operation of this embodiment will be described based on the above-mentioned configuration. When the raw concrete C flows out from the rotary drum 5 of the mixer truck 1 and flows into the shooter 9 (see arrow C in FIG. 2), the control unit 21 drives the vibrator 17 by a signal from the raw concrete sensor 19 which detects this. As a result, the vibration of the vibrator 17 is transmitted to the ready-mixed concrete C via the shooter 9, so that the fluidity of the ready-mixed concrete is increased and the ready-mixed concrete C flows smoothly through the shooter 9 (FIG. 2).
Arrow D).

In this way, the shooter 9 has the vibrator 1
Since 7 is attached, it is not necessary for the worker to insert the vibrator into the raw concrete C of the shooter 9, and the burden on the worker can be reduced. Moreover, since the vibrator 17 has a simple structure in which the vibrator 17 is attached to the back surface of the shooter 9 and the fresh concrete C does not touch the vibrator 17, the life of the vibrator 17 can be extended.

Next, another embodiment will be described. In the description, the same parts as those described above are designated by the same reference numerals, and the description thereof will be omitted.

In the second embodiment, as shown in FIGS. 2 and 3, the support member 23 disposed between both edges 9a, 9a of the shooter 9 and the one end 25a are attached to the support member 23. It is different from the first embodiment that the other end portion 25b is provided with the rod-shaped vibrator 25 inserted into the ready-mixed concrete C.

In FIG. 4, the left end of the support member 23 is pivotally supported by a fixture fixed to the edge 9a of the shooter 9, and the right end of the support member 23 is fixed to the edge 9a of the shooter 9. It is connected to the motor 27. This motor 2
The driving of 7 is performed by operating a push button provided on the motor 27 or a remote controller. Further, one end 25 a of the rod-shaped vibrator 25 is attached to the center of the support member 23.

A rod-shaped vibrator 25 attached to a support member 23 driven by a motor 27 is attached to the shooter 9 in the longitudinal direction of the shooter 9 (arrow F in FIGS. 3 and 4).
(See), three are provided at intervals.
The number of the rod-shaped vibrators 25 installed is not limited to three, and may be, for example, a single piece or a plurality of pieces such as two or four pieces. It can be changed appropriately according to the state of C and the like.

In this embodiment, the drive of the motor 27 causes the support member 23 to rotate in the direction of arrow E in FIG. Therefore, when used, the motor 27 is driven to insert the other end 25b of the rod-shaped vibrator 25 into the ready-mixed concrete C, and when not used, the rod-shaped vibrator 2
5 is rotated upward, and the other end 2 of the rod-shaped vibrator 25 is rotated.
5b is separated from the bottom surface of the shooter 9.

As described above, the supporting member 23 having the rod-shaped vibrator 25 attached thereto is simply fixed to the shooter 9. Since the rod-shaped vibrator 25 directly contacts the raw concrete C, the fluidity of the raw concrete C is further enhanced. You can Further, since the support member 25 is rotated by the motor 27, the rod-shaped vibrator 2 for the raw concrete C of the shooter 9 is provided.
The angle of 5 can be easily adjusted.

The present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the invention. For example, the vibrator 17 may be attached to the outer peripheral surface of the hopper 7, as shown by the alternate long and short dash line in FIG.

The vibrator 17 may be driven and stopped by an operation unit such as a so-called remote controller or an operation unit provided near the shooter 9.

[0035]

According to the first aspect of the present invention, since the vibration generating means is attached to the shooter, the shooter can be vibrated by the vibration from the vibration generating means even if the worker does not insert the vibrator into the raw concrete of the shooter. The liquidity of the ready-mixed concrete flowing can be increased, and the burden on the worker can be reduced.

The invention according to claim 2 has the same effect as that of the invention according to claim 1, and has a simple structure in which a vibrator is attached to the back surface of the shooter, and the vibrator is not touched by the ready-mixed concrete. The life of the vibrator can be extended.

According to the third aspect of the invention, the same effect as that of the first aspect of the invention is obtained, and the vibration generating means has a simple structure in which the supporting member having the vibrator is fixed to the shooter. Since the vibrator directly contacts the ready-mixed concrete, the liquidity of the ready-mixed concrete can be further enhanced.

The invention according to claim 4 has the same effect as that of the invention according to claim 2 or 3, and since the vibrators are arranged at intervals along the longitudinal direction of the shooter, the shooter is provided. Since the vibration from the vibrator is easily transmitted to the ready-mixed concrete flowing through, the fluidity of the ready-mixed concrete can be further enhanced.

According to the invention described in claim 5, the same effect as the invention described in any one of claims 2 to 4 is obtained, and when the freshly mixed sensor detects the freshly mixed product, the vibrator automatically vibrates. The burden on the worker can be further reduced.

According to the sixth aspect of the invention, since the mobility generating means is attached to at least one of the shooter and the hopper, even if the worker does not insert the vibrator into the raw concrete of the shooter, the vibration from the vibration generating means is generated. As a result, the liquidity of the ready-mixed concrete flowing through the shooter can be increased, and the burden on the worker can be reduced.

[Brief description of drawings]

FIG. 1 is a side view showing a mixer car according to a first embodiment.

2 is a side view schematically showing a shooter of the mixer car of FIG. 1. FIG.

FIG. 3 is a side view schematically showing a shooter according to a second embodiment.

FIG. 4 is a plan view of the shooter of FIG.

[Explanation of symbols]

1 mixer truck 3 car body 5 rotating drums 7 hopper 9 Shooter 9a Shooter's edge 17 Vibrator (vibration generating means) 19 Raw consensus 23 Support member 25 Rod-shaped vibrator

Claims (6)

[Claims] 1. A shooter of a mixer car, wherein a shooter of a mixer car for flowing raw concrete from a rotary drum mounted on a vehicle body is provided with vibration generating means for generating vibration. 2. The shooter for a mixer vehicle according to claim 1, wherein the vibration generating means includes a vibrator, and the vibrator is attached to a back surface of the shooter. 3. The vibration generating means comprises a support member arranged between both edges of the shooter and a vibrator attached to the support member, and both end sides of the support member are fixed to both edge portions of the shooter. The shooter for a mixer vehicle according to claim 1, wherein one end of the vibrator is attached to the support member, and the other end of the vibrator is inserted into a ready-mixed concrete flowing through the shooter. 4. The vibrators are arranged at intervals along the longitudinal direction of the shooter.
The mixer car shooter described in. 5. A raw concrete sensor for detecting raw concrete flowing through the shooter is provided, and when the raw concrete sensor detects raw concrete,
The shooter for a mixer vehicle according to any one of claims 2 to 4, wherein the vibrator vibrates. 6. A mixer vehicle in which raw concrete flows from a rotary drum mounted on a vehicle body to a shooter via a hopper, wherein vibration generating means for generating vibration is attached to at least one of the hopper and the shooter. Mixer car.