KR101245870B1 - Ready-Mixed Concrete Mixertruck Auto Air Shut - Google Patents

Abstract

The present invention is to allow the chute to automatically operate by controlling the air cylinder with an operation control switch provided in the driver's seat, chute for flowing concrete under mixing in the truck mixer mounted on the ready-mixed mixer truck A first air cylinder for controlling the lock for locking and releasing the chute, a second air cylinder for controlling the chute opening and left and right rotation, and a third air cylinder for controlling the lifting / lowering of the chute. Including, but the first to third air cylinder is connected to each of the second to fourth valve for controlling the flow of compressed air supplied through the hose from the air tank to control the chute in accordance with the electrical signal input of the operation control switch It provides a ready-mixed concrete mixer truck automatic air chute.

Description

Ready-Mixed Concrete Mixertruck Auto Air Shut}

The present invention relates to a ready-mixed concrete mixer truck automatic air chute, and more particularly, a chute for discharging and placing concrete being mixed in a truck mixer mounted on the ready-mixed mixer truck is controlled by an operation control switch installed in the driver's seat. The present invention relates to a ready-mixed concrete mixer truck automatic air chute to be operated automatically.

The mixer truck is a conveyer of combination concrete, and has a built-in kneading device in a concrete container, and can knead at a predetermined speed.

The rotating speed of the truck mixer is 4 times or more per minute, and the rotating speed of the upper blade type mixer is 6 to 16 times per minute. The separation of materials generated during transportation can be reduced, and even quality concrete can be supplied.

In general, a chute is provided at the rear of the mixer of a concrete mixer truck to flow unconsolidated concrete to the outside of the mixer. The chute has a bottom surface having a certain length in an upward arc shape. And a chute body formed of a steel plate having sidewall portions formed on both sides of the bottom surface, wherein the front and rear sides of the chute body are opened and the other side thereof is blocked.

The chute of such ready-mixed concrete mixer truck was generally operated by stopping the ready-mixed concrete mixer truck and artificially opening, turning and lifting the chute.

Inadvertent injury may occur when a driver directly manipulates a suit, or a human accident may occur due to exposure to other vehicles.

In addition, since the chute is operated manually, there is a problem in that the work efficiency is lowered.

The present invention is to solve the above problems, an object of the present invention to provide a ready-mixed concrete mixer truck automatic air chute that can automatically control the chute from the driver's seat.

Another object of the present invention is to provide a ready-mixed concrete mixer truck automatic control chute that can operate the lock / unlock and rotation and lift / lower of the chute by controlling one or more air cylinders in the operation control switch provided in the driver's seat.

The object of the present invention described above is a chute for flowing concrete under mixing in a truck mixer mounted on a ready-mixed mixer truck, the first air cylinder controlling a lock for locking and releasing the chute. ; A second air cylinder for controlling opening and left / right rotation of the chute; And a third air cylinder to control the chute / lower of the chute, wherein the first to third air cylinders are respectively provided to the second to fourth valves to control the flow of compressed air supplied through the hose from the air tank. It is achieved by a ready-mixed mixer truck automatic air chute, characterized in that it is connected and controls the chute according to the electrical signal input of the motion control switch.

In addition, according to the present invention, the on / off switch for power supply and shutdown; And a first valve for pre-controlling the supply of compressed air according to the on / off switch.

In addition, according to the present invention, the first air cylinder is provided inside the cover fixed to the ready-mixed concrete mixer truck body, the compressed air is supplied through the second valve when the first switch (S1) is input, the piston advances the lock It characterized in that to release.

In addition, according to the present invention, the first air cylinder is characterized in that the pull spring is formed therein to operate only when the exhaust.

Further, according to the present invention, the second air cylinder is supplied with compressed air to the second valve (A1) when the first switch (S1) is input, the lock is released by the first cylinder and at the same time by pulling the chute support It is characterized in that the chute is opened.

In addition, according to the present invention, the second air cylinder is characterized in that when the second switch (S1) input compressed air is supplied to the third valve (A2) so that the chute closes by pushing the chute support.

In addition, according to the present invention, the third air cylinder is installed on the upper part of the staidoid and fixedly installed in reverse to the chute so that compressed air is supplied to the fourth valve A3 when the third switch S3 is input to lift the chute. It is characterized by.

According to the present invention, the third air cylinder is characterized in that the chute is lowered while the compressed air is exhausted when the fourth switch S4 is input.

In addition, according to the present invention, the operation control switch and the on / off switch is characterized in that the mono four-way switch integrated into one.

In addition, according to the present invention, the hose is characterized in that 12mm urethane.

According to the ready-mixed concrete mixer truck automatic air chute of the present invention, the operation time is reduced by operating the chute using the operation control switch provided in the driver's seat at least one air cylinder controlled through the solenoid valve using the compressed air of the air tank It can speed up the construction process and reduce the number of personnel accidents.

1 is a view showing an air control and a wiring diagram according to an embodiment of the present invention.
2 is a view showing a chute open state when the first switch (S1) in accordance with an embodiment of the present invention.
3 is a view showing a chute closed and rotated state when operating the second switch (S2) according to an embodiment of the present invention.
4 is a view showing a chute lift state when operating the third switch (S3) according to an embodiment of the present invention.
5 is a view showing a chute falling state when operating the fourth switch (S4) according to an embodiment of the present invention.
6A and 6B illustrate a state in which a lock is opened according to a button input of a first switch S1 according to an embodiment of the present invention, and a state in which the steroid pushes the lock automatically by a rotational force when the second switch S2 is operated. drawing.

The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms and the inventor may appropriately define the concept of the term in order to best describe its invention It should be construed as meaning and concept consistent with the technical idea of the present invention.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalent water and variations.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a view showing an air control and a wiring diagram according to an embodiment of the present invention.

As shown in FIG. 1, the automatic air chute according to the present invention is for operating the chute 80 of the mixer truck 1 in the driver's seat, and the compressed air supplied through the hose 5 from the air tank 10. A first air cylinder 31 for controlling the lock 40 for locking and releasing the chute 80 using a flow of air, and a second air for controlling opening and left / right rotation of the chute 80. And a third air cylinder 33 for controlling the raising / lowering of the chute 80 and the first to fourth switches S1 to S4 and the on / off switch 12. And a first valve 21 for preliminarily shutting off the compressed air supplied from the air tank 10 by an electric control signal of the on / off switch 12. Composed of second to fifth valves 22, 23, 24 and 25 for controlling the supply of the respective compressed air according to the signals of the fourth switches S1 to S4. All.

The first to fifth valves 21, 22, 23, 24, and 25 are solenoid valves, which are divided into a head part made of an electromagnet and a part to which an air hose is connected, and a part moving by an electromagnet therein. When the power is not supplied, air flows and the cylinder is reversed. When the power is supplied and the electromagnet moves the valve inside the solenoid, the air flow is reversed and the air cylinder is advanced.

The hose 5 is preferably composed of a 12mm urethane hose.

The first air cylinder 31 is provided inside the cover 41 fixed to the ready-mixed concrete mixer truck 1 body, and the staple 34 body is seated inside the lock 40 having a curved shape to allow the chute 80 to be seated. ), And when compressed air is supplied, the piston advances and the chute 80 opens as the lock 40 descends.

One side of the second air cylinder 32 is connected to the bottom of the chute support 70 on the upper end of the fixed shaft member 50 integrated with the mixer truck 1 body, and the other side is connected to the mixer truck 1 body. .

Then, two hoses 5 are connected from the second valve A1 22 and the third valve A2 23 so that the chute 80 is automatically opened when the lock 40 is released. .

The third air cylinder 33 is installed reversely on the top of the staid 34 and the bottom of the chute 80 in close proximity to the rotating shaft member (60).

The rotating shaft member 60 is configured such that the chute 80 rotates 180 ° left / right, and the chute support 70 is connected to the rotating shaft member 60 penetrated through the fixed shaft member 50. The chute 80 is rotated according to the movement of the piston of the second air cylinder 32 before and after.

2 is a view showing the chute open state when the first switch (S1) in accordance with an embodiment of the present invention.

As shown in FIG. 2, the first air cylinder 31 is provided inside the cover 41 fixed to the body of the ready-mixed concrete mixer truck 1, and when the first switch S1 button is pressed, the second valve ( Compressed air is supplied to the A1) 22 through the port of the rod cover so that the lock 40 opens as the piston advances.

At the same time, the piston of the second air cylinder 32 is reversed so that the chute 80 rotates to open.

3 is a view showing the chute closed and rotated when the second switch (S2) in accordance with an embodiment of the present invention.

As shown in FIG. 3, when the second switch S2 is pressed, compressed air is supplied to the second air cylinder 32 through the third valve A2 23 to advance the piston.

When the piston moves forward, the chute support 70 is pushed so that the chute 80 rotates to the right as shown in FIG. 3.

4 is a view showing a chute lift state when operating the third switch (S3) according to an embodiment of the present invention, Figure 5 is a view showing a chute lowered state when operating the fourth switch (S4) according to an embodiment of the present invention. to be.

As shown in FIG. 4, when the third switch S3 is pressed, compressed air is supplied to the third air cylinder 33 through the fourth valve A3 24 to advance the piston.

When retrofitting a conventional mixer truck, the first to third air cylinders 31, 32 and 33 are additionally installed, and the staid 34 serves to support the weight of the chute 80 more stably. Can be performed.

As shown in FIG. 5, when the fourth switch S4 is pressed, the fifth valve A4 25 exhausts and discharges the air supplied through the fourth valve 34.

As a result, the chute 80 descends while the piston of the third air cylinder 33 moves backward.

6A and 6B illustrate a state in which a lock is opened according to a button input of a first switch S1 according to an embodiment of the present invention, and a state in which the steroid pushes the lock automatically by a rotational force when the second switch S2 is operated. Drawing.

As shown in FIGS. 6A and 6B, when the first switch S1 button is pressed, compressed air is supplied to the second valve A1 22 through the port of the rod cover so that the first air cylinder 31 The lock 40 is opened as the piston, which has been fixed backward by the elastic force of the spring 42, is opened, and the lock 40 is closed as the piston is pulled by the spring 42 as air is discharged.

Then, when the second switch S2 is pressed, the compressed air is supplied to the second air cylinder 32 through the third valve A2 23 to advance the piston, and the chute support 70 is pushed so that the chute ( 80 is rotated to the right, by the force of the body of the staidoid 34 hits the lock 40 and at the same time the elasticity of the spring (42) provided inside the first air cylinder (31) 40) is instantaneously lowered and seated inside the surface and fixed.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims and their equivalents.

1: mixer truck 5: hose
10: air tank 12: on / off switch
20: operation control switch 21: the first valve
22: second valve 23: third valve
24: fourth valve 25: fifth valve
31: first air cylinder 32: second air cylinder
33: third air cylinder 34: stayoid
40: lock 41: cover
42: spring 50: fixed shaft member
60: rotating shaft member 70: chute support
80: suit

Claims (10)

In a chute for flowing concrete under mixing in a truck mixer mounted on a ready-mixed mixer truck,
A first air cylinder controlling a lock for locking and releasing the chute;
A second air cylinder for controlling opening and left / right rotation of the chute; And
A third air cylinder for controlling the raising / lowering of the chute,
An operation control switch having first to fourth switches for inputting and controlling an electrical signal to control the second to fourth valves for controlling the compressed air supplied to the first to third air cylinders through the hose from the air tank, ,
The first air cylinder is provided in a cover fixed to the ready-mixed concrete mixer truck body, and the piston is advanced by compressed air supplied through the second valve so that the chute is opened when the first switch S1 is input, thereby locking the lock. Turn it off,
One side and the other side of the second air cylinder is connected to the chute support lower portion of the upper end of the fixed shaft member and the mixer truck body, and compressed air is supplied to the second valve A1 when the first switch S1 is input. The lock is released by the cylinder and the chute support is pulled and rotated to open the chute automatically.
The third air cylinder is reversely installed at the top of the staidoid and the bottom of the chute in close proximity to the rotating shaft member, and is controlled to raise and lower the chute by supplying compressed air to the fourth valve A3 when the third switch S3 is input. Ready-mixed mixer truck automatic air chute, characterized in that. The method of claim 1,
On / off switch for powering on and off; And
The ready-mixed mixer truck automatic air chute further comprises a first valve for pre-controlling the supply of compressed air according to the on / off switch. delete The method of claim 1,
The first air cylinder is a ready-mixed spring is formed inside the ready-mixed mixer truck automatic air chute characterized in that it operates only when the exhaust. delete The method of claim 1,
The second air cylinder,
Compressed air is supplied to the third valve (A2) when the second switch (S1) is input so that the chute closes by pushing the chute support to close the chute. delete The method of claim 1,
The third air cylinder is a ready-mixed mixer truck automatic air chute, characterized in that to lower the chute while the compressed air is exhausted when the fourth switch (S4) input. 3. The method according to claim 1 or 2,
The operation control switch and the on / off switch is a ready mixed mixer truck automatic air chute, characterized in that the mono four-way switch. The method of claim 1,
The hose is a ready-mixed concrete mixer truck automatic air chute, characterized in that 12mm urethane.

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