KR102543946B1 - Dump truck for water slag transport vehicle - Google Patents

Abstract

The present invention prevents dripping water and falling objects from falling on the road during transportation of granulated slag, and ensures stable discharge of loads during dumping work. In the dump loading box structure that can be opened while being rotated up and down by a support shaft, a soft watertight element is installed along the open rim at the rear of the loading base that comes into contact with the dump loading box in a closed state, The dump loading box has a watertight structure while blocking the gap between the adhesive surface between the loading dock and the gate plate, and a locking device for hooking and fixing the tail gate is provided at the lower end of the opening of the loading stand, and the locking device is axial in the vehicle width direction of the loading stand The hook is mounted on the locking shaft that is rotated to be hooked to and fixed to the fastening part formed on the lower side of the gate plate of the tailgate to prevent the tailgate from being opened arbitrarily, and to compress the watertight element to the tailgate gate. It further includes a pressure fixing device that pushes the plate to the rear side of the loading table of the dump loading box so that the pressing fixation is performed, but the pressing fixing device protrudes from the inner surface of the gate plate and forms a locking support, and the loading box supports the locking support while the tailgate is closed. By forming a cylinder device for being pulled to the front side and fixed, the dump loading box and the tailgate are compressed by the watertight element to have a close watertight structure.

Description

Dump truck for water slag transport vehicle}

The present invention relates to a dump loading box for a granulated slag transport vehicle, and more particularly, to prevent water and falling objects on a road during transportation of granulated slag and to ensure stable discharge of loaded materials during dumping operation.

In general, a dump truck lifts a loading box installed at the rear of a vehicle using a hydraulic lifting device, tilts it rearward by a predetermined angle, and discharges loads loaded in the loading box, and is mainly used for transporting soil or aggregates for construction sites.

At this time, the hydraulic lift device extends the piston rod inside the hydraulic cylinder, pushes the front part of the loading box coupled to the hinge axis to a predetermined height to enable rotation at the rear of the vehicle body, and tilts the loading box, so that the tailgate installed at the rear of the loading box is moved by its own weight. It opens automatically and discharges the contents inside the loading box.

On the other hand, granulated slag is a by-product in the pig iron process of iron ore, and refers to a material made by combining SiO2, Al203, Fe203, CaO, etc., which are rock components of iron ore, with Cokes and floating in a molten state at high temperature.

Since such granulated slag serves as a raw material for cement, etc., granulated slag, which is a by-product generated in steel mills, is transported to a cement factory for reprocessing.

However, granulated slag contains a lot of moisture because it is rapidly cooled by spraying water on high-temperature molten slag and pulverized into fine powder. When falling, the water contaminates the road surface or splashes on other vehicles in motion.

In addition, when there is little moisture such as dry sand or gravel, the load can be easily discharged when the load box is tilted. There is a problem of having to tilt, and also there is a problem that the risk of overturning of the dump becomes very high and the risk of safety accidents becomes very high when the loading box is tilted at a high angle.

In addition, since the tailgate at the rear of the loading box is automatically closed when the loading box is seated horizontally on the body frame, the operator has to carry out manual work while the loading box is tilted backward to scrape and discharge the residues inside the loading box with a shovel. Doing so may cause inconvenience in work performance and safety accidents such as falls.

The present invention is to solve the above problems, and the loading box in which the granulated slag is loaded has a watertight structure so that the moisture contained in the granulated slag does not flow down, and the watertight structure is made closely, and during transportation This is to prevent debris from falling onto the road.

In addition, the dumping operation of granulated slag can be stably performed at the loading dock.

The present invention as a technical concept for achieving the above object is a dump loading box structure in which a tailgate closing the rear end opening of a dump loading box having a loading space can be opened while rotating up and down using the upper portion of the opening as a support shaft. , Soft watertight elements are installed along the open rim at the rear of the loading platform, which comes into contact with the dump loading box in a closed state, so that the dump loading box has a watertight structure while blocking the gap between the adhesive surface between the loading tray and the gate plate. And, a locking device for hanging and fixing the tailgate is provided at the lower end of the opening of the loading platform, and the locking device has a hook mounted on a locking shaft that rotates in an axial direction in the vehicle width direction of the loading platform. Pressing and fixing to engage and fix the fastening part formed on the lower side of the tailgate to prevent arbitrary opening of the tailgate, and push the gate plate of the tailgate to the rear side of the loading table of the dump loading box for compression of the watertight element so that compression is fixed. A device is further included, but the pressure fixing device protrudes a locking support on the inner surface of the gate plate, and in the loading box, a cylinder device is formed so that the locking support is pulled forward and fixed while the tailgate is closed, so that the dump loading box and the tailgate are formed. is compressed by the watertight element to have a close watertight structure.

In addition, ultra-high molecular weight polyethylene engineering plastic with a molecular weight of 4 million or more, which has a wear-resistant, corrosion-resistant, and low-friction surface, is added to the bottom of the loading box to induce stable discharge of the loaded material, and at the rear end of the loading box, to temporarily store leaking moisture. It is equipped with a drip tray to prevent foreign substances from falling on the road surface.

According to the dump loading box for the granulated slag transport vehicle of the present invention, since the loading box has a watertight structure and is double- and triple-fixed by the locking device and the pressure fixing device, even if the pressure inside the loading box increases while the granulated slag is loaded into the loading box, moisture It is possible to efficiently block the leakage to the outside, and the watertight effect can be further improved by preventing local pressure from being generated in the opening and closing part when the dump is in a horizontal state by the ramp at the rear end of the loading platform.

In addition, even if moisture leaks out slightly during loading, unloading, or driving, it is temporarily stored in the water tray so that there is no risk of moisture mixed with granulated slag falling on the road, so safe transportation is possible. Since the dump is discharged stably, it prevents tip over accidents and enables safe transportation.

1 is a structural diagram of a dump loading box for a granulated slag transport vehicle of the present invention
Figure 2 is a state of use of Figure 1
3 is a perspective view showing a watertight structure of the present invention
Figure 4 is a mounting structure diagram of the watertight element of Figure 3
Figure 5 is a mounting structure diagram of the round bar of Figure 3
6 and 7 are structural diagrams of the locking device of the present invention
8 is a structural diagram of the press fixture of the present invention
Figure 9 is a fastening structure according to another embodiment of the fixing pin of Figure 8
10 and 11 are liner mounting structure diagrams of the present invention
12 is a water gutter mounting structure diagram of the present invention

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

As shown in FIGS. 1 to 3, the present invention is provided with a loading box 100 so that the load can be lowered by hydraulically inclined at the rear of the boarding unit on which the driver rides, and an opening is provided at the rear end of the dump loading box 100. A closing tailgate 200 is mounted, and the tailgate 200 is provided so as to be openable while rotating up and down using the upper part of the opening as a support shaft.

The dump loading box 100 is provided with left and right surfaces and a bottom surface for accommodating loads, and in that state, a loading table 120 with an open rear is provided, and the tailgate 200 is a gate plate 220 It has a structure in which the opened rear is closed by being in close contact with the open edge of the rear of the loading table 120 or opened while the gate plate 220 is lifted.
In the present invention, a watertight element 300 is provided at a portion where the gate plate 220 comes into contact with the open edge of the rear of the loading table 120, and a locking device 400 and a pressure fixing device 500 are provided at the lower end of the watertight element. ) is installed.

The watertight element 300 is made of soft material and is provided on the bottom plate of the loading platform forming the rear open edge of the loading platform 120 and the left and right surfaces extending from the bottom plate, and may occur between the gate plate 220. The dump loading box has a watertight structure while completely blocking the gap in the airtight state.
The soft watertight element 300 in the present invention may be composed of rubber or silicone.

As shown in FIG. 4, the watertight element 300 is mounted by protruding the plate-shaped bracket 320 on the left and right sides constituting the loading table 120 and the back surface of the bottom plate 122 in a direction orthogonal to these. It is formed to be formed, and the soft watertight element 300 is assembled to the plate-shaped bracket 320 by forcibly fitting.
At this time, the watertight element 300 is formed with a ∪-shaped fitting portion 302 so that it can be assembled by being inserted into the plate-shaped bracket 320, and a plurality of protrusions 301 are formed on the inner wall of the ∪-shaped fitting portion 302. It is easily inserted into the plate-shaped bracket 320 by forming an inclination in one direction to facilitate insertion, but does not easily fall out after being inserted.
At this time, a hard element 303, which can be made of a metal plate bent in a ∪ shape, is molded into an insert structure in the ∪-shaped fitting part 302, so that the fitting part 302 is inserted into the bracket 320 and is robust in an assembled state. It can be tightly assembled.
In addition, as shown in FIG. 4, the ∪-shaped fitting portion 302 is composed of two spaced apart upright walls 302a and b, and the right upright wall 302b where the elastic part 304 to be described later protrudes. is provided longer than the corresponding left upstanding wall 302a and the tip is curled inwardly, so that it is possible to provide solidity of coupling in a state of being fitted into the plate-shaped bracket 320.
In addition, the elastic part 304 provided on the right upstanding wall 302b constituting the ∪-shaped fitting part 302 may be formed in a hollow shape to have a buffering and tight watertight structure.
In addition, the plate-shaped brackets 320 provided on the left and right sides constituting the loading table 120 and the back surface of the bottom plate 122 in a direction orthogonal to these are the supporting walls 180 formed on the loading table 120. ) to secure the width of the space into which the left upright wall 302a constituting the ∪-shaped fitting part 302 is inserted, and this spaced space is the left upright wall of the ∪-shaped fitting part 302. (302a) is spaced apart enough to be inserted by force fitting, thereby minimizing the flow of the watertight element 300 in a state where the ∪-shaped fitting part 302 constituting the watertight element 300 is fitted into the bracket 320. and more robustly assembled.
In addition, as shown in FIG. 5, the inner surface of the gate plate 220 has elasticity of the watertight element 300 in order to improve the compression performance with the watertight element 300 and increase the contact surface to further improve the watertight structure. The round bar 340 is mounted to correspond to the portion 304, so that the elastic portion 304 constituting the watertight element 300 is pressed while the gate plate 220 is closed, thereby providing close adhesion. .

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In addition, as shown in FIGS. 6 and 7 , a locking device 400 for hanging and fixing the tailgate 200 is provided at the lower end of the rear open rim of the loading table 120 .

In the locking device 400, the locking device 420 is formed on the mounting table 120 and the fastening part 440 is formed on the gate plate 220, respectively, so that the tailgate can be prevented from being arbitrarily opened.

The hanging device 420 is provided with a locking shaft 422 that rotates in an axial direction in the vehicle width direction of the dump loading box 100, and a hook 424 is mounted on the locking shaft 422 so that the hook 424 rotates. It can be fixed by hanging on the fastening part 440 of the gate plate 220, while the chamber 426 is mounted on the locking shaft 422 and rotates the locking shaft 422 in forward and reverse directions by the operation of the chamber. The fastening part 440 using the hook 424 may be fixed.

Therefore, since the tailgate 200 is fixed by the hanging device 420 in a closed state, arbitrary opening of the tailgate 200 can be prevented, and in a state where the loading table 120 and the gate plate 220 are engaged, It is possible to prevent the tailgate 200 from being arbitrarily opened and to fix the gap so as not to widen.

In addition, the pressure fixing device 500 pushes the gate plate 220 of the tailgate 200 toward the rear side of the loading table 120 of the dump loading box 100 so as to press and fix the watertight element 300. To do this, a locking support 520 may be mounted on the inner surface of the gate plate 220, and a cylinder device 540 may be formed on the mounting table 120 to maintain a fixed state by pulling the locking support.

That is, as shown in FIG. 8, the pressing device 500 protrudes the locking support 520 on the inner surface of the gate plate 220, and the locking support is provided on the loading box 100 while the tailgate 200 is closed. A hydraulic cylinder device 540 is installed so that the 520 is pulled forward and fixed, so that the tailgate 200 is compressed in the closed state or the tailgate is compressed by the reciprocating motion of the cylinder device 540. can be released.

At this time, as a structure for regulating the opening and closing state of the tailgate 200 by the operation of the cylinder device 540, a perforated hole 522 is formed in the locking support 520, and the cylinder device 540 When the fixing pin 542 is reciprocated by the operation of the cylinder, as the cylinder device 540 operates, the fixing pin 542 goes in and out of the perforated hole 522 and the closed state of the tailgate 200 is jammed or Disengagement can be achieved.

In addition, as shown in FIG. 9 , the surface of the fixing pin 542 is applied in order to induce compression so that the tailgate 200 can be strengthened or weakened according to the reciprocating operation of the fixing pin 542. An inclined surface 544 may be formed.

At this time, in the state where the fixing pin 542 is inserted into the perforated hole 522, the more the fixing pin 542 enters, the more the fixing pin 542 enters along the inclined surface 544, so the tailgate 200 moves forward. Pulling increases the pressing force and enables more firm adhesion. Conversely, as the fixing pin 542 is separated, the tailgate 200 is released from the pressurized state, and when the fixing pin 542 completely separates from the perforated hole 522, the tail gate 200 is released. The jammed state of the gate 200 is released so that the tailgate can be opened.

Therefore, even when the granulated slag is loaded into the loading box, the loading box has a watertight structure so that the moisture contained in the granulated slag does not flow down. You can prevent falling.

On the other hand, the dump loading box 100 is rearwardly upward from the rear of the loading table 120 in order to reduce the pressure of water caused by water accumulating in the gap between the loading box 100 and the tailgate 200 and to prevent moisture leakage. The ramp 140 may be formed inclined.

That is, when the transport vehicle is stopped or running, the loading table 120 is maintained in a near horizontal state. In this state, water accumulated between the rear loading table 120 and the gate plate 200 is minimized to act on the gap The watertight effect can be greatly improved by reducing the pressure of the water.

At this time, the ramp 140 has an upward inclination of 5 to 15 °, so that the angle for discharging the load is maintained at a certain angle or more at the maximum dumping angle, which is usually within 50 °, so that the load can be discharged smoothly do.

In addition, the dump loading box 100 may be configured by attaching a liner 160 to reduce friction with the loading material on the bottom of the loading table 120, so that the dumping operation of the granulated slag is smoothly performed at the unloading site, The center of gravity of the loading box is induced to the lower side so that a stable dumping operation can be performed.

The liner 160 can be made of a polyethylene material that is lighter than aluminum or steel, and is made of ultra-high molecular weight polyethylene engineering plastic having a molecular weight of 4 million or more, which has abrasion resistance, corrosion resistance, and a low friction surface, so that the load flows well when unloading, and the liner 160 is loaded. After getting off, it is possible to get off completely without leaving any residue.

At this time, the liner 160 can be cut into a plurality of plates and assembled and fixed on the upper surface of the loading table 120, and as shown in FIG. 10, the liner is loaded in close contact with the front of the loading table 120. After that, it can be mounted by fixing it using a plurality of fastening means such as pieces. Preferably, the rear of the liner 160 is not separately fastened, and it is simply mounted by fixing only the front end of the liner with a fastening means. By providing a fitting 124 into which both sides of the liner 160 are fitted inside the loading table 120, the load can be stably discharged without being lifted by the weight of the liner even during the dumping operation. .

Therefore, since it is possible to easily drop highly viscous granulated material slag containing moisture, etc., it is possible to shorten the unloading time of the load, minimize damage to equipment, and greatly reduce the possibility of a truck overturning accident.

In addition, the fitting part 124 supporting the assembly of the liner 160 on the mounting table 120 has an expansion space formed inside into which the liner 160 is inserted, so that the liner 160 is finely divided according to high or low temperature. By allowing it to accommodate contraction and expansion, it is possible to minimize the fastening portion of the liner 160 and prevent damage caused by contraction and expansion.

In addition, the liner 160 is padded with the liner 160 to reach a predetermined height on both side walls of the bottom surface 122 of the loading table 120 so that the discharge of the loaded material can be smoothly induced. By providing fittings 124 to accommodate both sides of the liner 160 inside both sides of the stand 120, when the liner 160 shrinks or expands minutely according to the surrounding environment or the temperature of the load, it is accommodated. will be able to do it

On the other hand, as shown in FIG. 12, a drip tray 600 is formed at the rear of the loading table 120 to temporarily store a certain amount of water when the water generated from the granulated slag flows down from the loading table 120 at all. It can prevent the slag from flowing down on the work site or the road surface while handling it.

In other words, even if an impact occurs during loading, transportation, or unloading of granulated slag or a problem occurs in the watertight structure, even if water leaks, a certain amount can be temporarily stored.

At this time, the water tray 600 is provided with a support wall 180 on both sides of the loading table 120, and a support part 182 is configured to suspend and connect the lower end of the support wall, and the water tray is installed on the support part 182 By mounting the 600, the water tray is not easily damaged by external force and can maintain durability.

In addition, by using the support wall 180, the cylinder device 540 is mounted on the front end of the support wall, and the locking support 520 is allowed to enter and exit through the support wall 180, The opening and closing operation of the tailgate 200 can be closely induced by integrally providing a mounting space and simplifying and firmly fixing the mounting structure.

100: dump loading box
120: loading table
140: ramp
160: liner
180: support wall 182: support
200: tailgate
220: gate plate
300: watertight element
320: bracket
340: round bar
400: locking device
420: hanging device 422: locking shaft 424: hook
440: fastening part
500: pressure fixture
520: locking support 522: perforated hole
540: cylinder device 542: fixing pin 544: inclined surface
600: drip tray

Claims (5)

The tailgate 200 closes the opening by being in close contact with the left and right sides of the dump loading box 100 having a loading space and the rim forming the rear opening of the loading table 120 by the bottom plate, using the upper part of the opening as a support shaft In the dump loading box structure that can be opened while being rotated up and down,
A support wall ( 180) and provided with a spaced apart,
The plate-shaped bracket 320 is provided with a hollow elastic part 304 outside the right upright wall 302b of the ∪-shaped fitting part 302 provided with the left and right upright walls 302a,b. Assembling the watertight element 300 by force fitting,
The ∪-shaped fitting part fitted into the bracket is provided with a hard element 303 made of a bent metal plate in an insert manner, and a plurality of protrusions 301 are provided on the inner wall so that it is easy to fit and difficult to fall out after being fitted. It is formed inclined to
In the closed state of the tailgate 200, a round bar 340 is provided at a portion that comes into contact with the elastic part 304 constituting the soft watertight element 300, and the open edge of the loading table 120 and the gate plate Completely block the gap between (220),
The bracket is provided with a support wall and a spaced space, so that the left upright wall of the ∪-shaped fitting part is closely inserted into the spaced space, and the right upright wall of the ∪-shaped fitting part is longer than the left upright wall while the upper end is curled. becomes,
At the lower end of the opening of the loading platform 120, a locking device 400 for hooking and fixing the tailgate 200 in a closed state is attached to a locking shaft 422 that rotates in the vehicle width direction of the loading platform 120 in the axial direction. The hanging device 420 to which the hook 424 is mounted is hooked and fixed to be engaged with the fastening portion 440 formed on the lower side of the gate plate 220 of the tailgate 200,
In order to compress the watertight element 300, the press fixing device 500 for pressing and fixing the gate plate 220 of the tailgate 200 toward the rear side of the loading platform 120 of the dump loading box 100 is A locking support 520 is protruded from the inner surface of the gate plate 220, and the locking support 520 is pulled forward and fixed to the loading box 100 while the tailgate 200 is closed. Cylinder device 540 A dump loading box for a granulated slag transport vehicle, characterized in that the dump loading box 100 and the tailgate 200 are compressed by the watertight element 300 to have a watertight structure. delete delete According to claim 1,
In the pressure fixing device 500 for pressing and fixing the dump loading box 100 and the tailgate 200, a perforated hole 522 is formed in the locking support 520, and a fixing pin 542 is formed in the cylinder device 540. ) is reciprocated by the cylinder operation, so that the fixing pin 542 enters and exits the perforated hole 522, thereby jamming or releasing the dump. According to claim 4,
The pressure fixing device 500 is granulated slag, characterized in that an inclined surface 544 is formed to induce compression so that the force by which the tailgate 200 is compressed can be strengthened or weakened according to the reciprocating operation of the fixing pin 542 Dump box for transport vehicles.

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