KR101298213B1 - An automatic opening and closing device of the truck's cargo box - Google Patents

Abstract

The present invention relates to a loading box cover automatic opening and closing device which is provided in the loading box of the dump truck to prevent the load from falling, and more particularly, the winding-type rolling device is installed on the loading box and the winding-type rolling device on both sides of the loading box. A guide rail for drawing out or winding the rolling plate from the sheet, and the rolling plate can be pulled out along the guide rail to easily cover the loading box, thereby preventing the loaded load from falling out and being exposed to rainwater. The present invention relates to an automatic opening and closing device of a lid of a dump truck loading box to completely prevent the back from being introduced.

Description

Automatic opening and closing device of the truck's cargo box

The present invention relates to a loading box cover automatic opening and closing device which is provided in the loading box of the dump truck to prevent the load from falling, and more particularly, the winding-type rolling device is installed on the loading box and the winding-type rolling device on both sides of the loading box. And a guide rail for drawing out or winding the rolling plate from the rolled plate, so that the rolling plate can be taken out along the guide rail to easily cover the loading box, thereby preventing the loaded load from falling out and at the same time introducing rainwater. The present invention relates to a cover automatic opening and closing device of a dump truck loading box to completely block dust scattering.

In general, a lorry or a dump truck is provided with a cover in a loading box to conceal the load, thereby improving aesthetics and preventing the load from falling, thereby preventing road breakage and damage to adjacent vehicles.

The installation of these covers usually involves the operator or operator climbing up to the loading box to cover the load and secure it with rubber bands. This dependence on the driver's work force reduces the driver's ability to operate, consumes a considerable amount of time to cover the cover, and most of all, a disaster that has the risk of causing a person's injury from falling from the top of the loading box during work. Element is present.

In the related art, in order to solve the above problems, a cover device is mounted to open and close the open upper surface of the loading box.

Conventional automatic dump truck lid cover is formed of a pair of covers mainly having a size corresponding to about half the size of the upper surface of the top of the loading box, the loading of the loading box through the rotation support shaft formed in one corner of the cover Rotating support is supported on both sides, and the driving motor is connected to one end of the rotation support shaft. As the rotation support shaft rotates, the cover rotates to cover the upper surface of the loading box. It is configured to be able to kick off (opening and closing).

However, when the conventional automatic cover device for a dump truck loading box configured as described above drives the driving motor to open and close the cover, the rotational force is weaker at the rear end of the support shaft farther from the drive shaft than the front end of the support shaft connected to the drive shaft. Delivered.

That is, a torsional moment is generated in the support shaft, and accordingly, a distortion phenomenon occurs in the cover. If a distortion occurs in the cover as described above, since the force to open and close the rear end is weak, there is a risk that the cover easily flows during operation, the load falls.

In the related art, in order to solve the above problems, Utility Model Registration No. 20-0340096 discloses an automatic cover device for a dump truck loading box.

Conventional Utility Model Registration No. 20-0340096 "Automatic lid device for dump truck loading box" reduces the difference in the rotational force according to the position of the support shaft and the cover to open and close the cover with a relatively uniform rotational force and the rotational force generated by the weight of the cover A pair of support shafts rotatably supported on both sides of the dump truck stacker, and a pair of drive devices installed to connect one end portion of the support shafts to the drive shafts, respectively, A pair of covers which are rotated together with the support shaft to open and close the loading box as the driving device of the drive unit is rotated, and one side edge and the support shaft of the cover so that the respective covers are not twisted while rotating together with the support shaft. Consists of a pair of anti-twist parts installed between.

Such automatic cover device reduces the difference between the rotational force acting on the front part of the cover and the rotational force acting on the back part of the cover, and opens and closes the cover with a relatively uniform force regardless of the position. Distortion can be prevented.

In addition, as a conventional loading box cover device, a "truck loading box cover device" of Patent No. 10-0654291 is well known.

In addition, Patent Application No. 10-1032768 registered and filed by the applicant of the "cover automatic opening and closing device of the dump truck loading box" is a device for opening and closing the loading box is provided with a guide rail on the upper end of the folding frame installed on both sides of the loading box It is provided with a rolling plate that can cover the, consisting of a configuration to cover the loading box while sliding along the guide rail by pulling the rolling plate using a wire.

KR 20-0340096 (registration number) 2004.01.16. KR 10-0654291 (registration number) 2006.11.29. KR 10-1032768 (registration number) 2011.04.26.

However, the conventional stacker cover device as described above has a pair of covers that can be folded on both sides of the stacker to fold and unfold them, such a structure can be covered on the back of the stacker There was no limit.

Therefore, there is a risk that loads fall along the rear of the loading box, and more loads are falling to the road and the like in the open rear.

And, there is a closed end of the conventional cover is a pair, so that rainwater and the like can be introduced into the center portion that covers the loading box.

In addition, the device to cover the stack by pulling the rolling plate using the wire has a problem that there is a risk of damage because the wire is exposed to some outside, which may cause inconvenience to open and close the stack.

Accordingly, the present invention has been made in order to solve the above problems, and provided with a guide rail for installing the winding-type rolling device on the front upper surface of the loading box and withdrawing or winding the rolling plate on both sides of the loading box, The rolling plate provided in the edible rolling device is pulled out along the guide rail to completely cover the loading box, and roller means are provided at both ends of the rolling plate so that they can slide while stably supporting the guide rail. By installing a rear view camera at the end of the plate to secure the rear view, the rolling plate slides easily and conveniently along the guide rail and can be opened and closed so that the loaded load falls or is exposed to the outside. To block it The purpose is to provide a cover automatic opening and closing device of the dump truck loading box.

Another object of the present invention is to close the upper open surface of the loading box to suppress the generation of dust and at the same time to prevent rainwater from entering the inside of the loading box during rainy weather to prevent waste from flowing to the outside to prevent contamination of the water environment around the road To make it work.

Still another object of the present invention is to prevent the traffic accident by preventing the load from falling on the road by making the upper opening surface of the loading box closed.

It is another object of the present invention to secure a space for safely installing the rear surveillance camera on the rolling plate, which is a cover member of the storage box, and to open and close the rear of the storage box while ensuring the safety of the opening and closing operation, and backwards. This is to ensure visibility when driving.

The present invention for achieving the above object in the opening and closing device that can automatically open and close the loading box cover of the truck,

Rolling plate that consists of a bottom plate, both side panels, a top plate and a top plate protruded into the upper surface of the driver's seat, the top surface is installed in the loading tray of the open truck to open and close the upper opening surface of the open storage box Winding-type rolling device to be wound or unwound, a rotating support rod installed on the outer surface of the side plate and fixedly supported to be rotatable by a first driving motor, and both ends of the rolling plate Including a guide rail of the upper side to allow the sliding reciprocating movement is inserted, and the rotary wing plate to be rotated up and down about the rotation support rod, is installed on the end side of the connecting frame connecting the rolling plate, A driving shaft which is rotated by a second driving motor and installed at both ends of the driving shaft and rotated Plate driving means consisting of a circular drive sprocket capable of drawing or winding the track, and a rolling sleeve inserted into the guide rail and sliding, and protective supports installed on both sides and the outer circumference of the wound rolling device. It is characterized in that it comprises a plate reading means provided in the bracket and the drive sprocket is inserted so that the rolling plate can be drawn out.

Therefore, the lid automatic opening and closing device of the dump truck loading box according to the present invention can be sealed while the rolling plate provided in the winding rolling device is pulled out along the guide rail to completely cover the upper surface of the loading box so that rainwater flows into the loading box. At the same time, there is an advantage in that the load loaded in the dump truck's loading box can be completely prevented from being dropped or exposed.

In addition, the present invention has the effect of preventing the contamination of the water environment around the road by preventing the flow of waste to the outside at the same time to suppress the occurrence of dust by making the upper opening surface of the truck loading box closed.

In addition, the present invention is to close the upper open surface of the loading box to prevent the load from falling on the road to prevent traffic accidents in advance, as well as the waste of the loading box is not visible from the outside to make the appearance beautiful There are advantages to it.

In addition, the present invention has the advantage that can be opened and closed while monitoring the rear of the loading box by installing a rear monitoring camera on the rolling plate which is a cover member of the loading box to ensure safety during the opening and closing operation.

1 is a schematic perspective state diagram of a cover automatic opening and closing device of a dump truck loading box according to the present invention installed on a cover truck;
2 is a schematic perspective view of a state in which a lid automatic opening and closing device of a dump truck loading box according to the present invention is operated to cover a dump truck loading box;
Figure 3 is a schematic exploded perspective view of the lid automatic opening and closing device of the dump truck loading box according to the present invention,
4 is a schematic state diagram of the guide rail and the rolling plate of the lid automatic opening and closing device of the dump truck loading box according to the present invention,
5 is a schematic state diagram in which a rolling plate is inserted and slides on a guide rail of a cover automatic opening and closing device of a dump truck loading box according to the present invention;
Figure 6 is a schematic partial perspective view showing a state in which the support is provided in the drive means for rotating the guide rail of the lid automatic opening and closing device of the dump truck stack according to the present invention,
7 is an operational state diagram of the solenoid valve for fixing the guide rail of the automatic opening and closing cover of the dump truck loading box according to the present invention,
8 is a schematic connection and driving state diagram of the roller provided on the guide rail of the cover automatic opening and closing device of the dump truck loading box according to the present invention and the roller provided on both ends of the rolling plate,
9 is a schematic state diagram in which the rolling plate of the lid automatic opening and closing device of the dump truck loading box according to the present invention is in close contact with the upper edge of the rear end of the truck loading box.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

The lid automatic opening and closing device 100 of the dump truck loading box according to the invention is shown in Figures 1 to 4,

The bottom plate 111 and both side plates 112, the upper end is composed of the front plate 113 and the rear plate 114 protruding to the upper surface of the driver's seat, the upper surface is installed in the loading box 110 of the open truck And winding type rolling device 120 to be wound or unrolled rolling plate 121 to open and close the upper surface of the stacking box 110,

It is installed on the outer surface of the side plate 112, the lower side of the hollow rotating support rod 131 is fixed to be supported by the first drive motor (M1) and both ends of the rolling plate 121 It is composed of a guide rail 132 of the upper side to enable the sliding reciprocating movement while being inserted, and a support plate 133 of the intermediate portion for supporting and fixing them, being folded while being rotated up and down about the pivot support rod 131. Rotating wing plate 130 to be made,

Is installed at the end of the connecting frame 122 for connecting the rolling plate 121, the drive shaft 141 is rotated by the second drive motor (M2), and is installed on both ends of the drive shaft 141 is rotated A plate consisting of a circular drive sprocket 142, which is capable of pulling out or winding the rolling plate 121, and a rolling sleeve 143 for inserting the guide rail 132 and sliding along the longitudinal direction thereof. Drive means 140, and

It is provided on the protective support bracket 127 installed on both sides and the outer circumferential portion of the wound rolling device 120, the driving sprocket 142 is inserted and the guide rail 132 is rotated to the upper side facing the end As the driving sprocket 142 is driven is inserted into the guide rail 132 is composed of a plate reading means 150 so that the rolling plate 121 can be drawn out.

Here, the drive shaft 141 provided in the plate driving means 140 is the drive motor in a configuration in which the rotation shaft of the drive motor M2 is connected by a power transmission means 144 such as a belt means or a chain means. The driving force of the M2 is transmitted to the drive shaft 141 through the power transmission means 144 to be rotated. This structure is known in the art and will not be described in detail.

The guide rail 132 has a hollow rectangular shape having a space formed therein, and a rear end portion of the guide rail 132 is formed to be bent downward, and has a length at a central portion of an inner surface of the body portion 132a. A slot cutout 132b for forming the rolling sleeve 143 to be inserted while being formed along a direction, and an inner bottom surface of the body 132a is installed and rotates while the driving sprocket 142 is engaged. Lead rolling) consists of a plurality of rolling rollers (132c) are provided with a plurality of predetermined intervals along the longitudinal direction.

That is, the interval between the rolling roller 132c is made of a distance such that the sprocket gear formed on the outside of the drive sprocket 142 can be engaged with and rotated.

Therefore, the drive sprocket 142 can be rotated by biting the rolling roller 132c, so that the drive sprocket 142 withdraws the rolling plate 121 to the rear of the loading box to cover the upper surface It becomes the number.

Here, the inlet portion of the guide rail 132 is in contact with each other and the outlet of the plate reading means 150 when the guide rail 132 is rotated while the driving sprocket 142 is the guide rail 132 It has a structure that is open so that it can be rotated into the body portion (132a) of the inlet.

In addition, the rolling sleeve 143 is inserted into the drive shaft 141 as a bearing means so as to be freely rotated, and the outer side is formed in a groove shape so that upper and lower edges of the slot cutout 132b are inserted therein. To be fitted.

Here, winding means that the member provided on the outside of the body is wound while the body is rotated, and withdrawal is meant to be released from being wound on the outside of the body as the body is rotated, and is used throughout the specification.

In addition, the winding rolling device 120 is installed on the upper side of the front plate 113 of the stacking box 110, and the rolling plate 121 to cover or remodel the stacking box 110, The drum body 124 which can be wound and received by the rolling plate 121, the drive shaft 123 for rotating the drum body 124, and the drive motor 125 for rotating the drive shaft 123. Consists of

Accordingly, when the driving motor 125 is operated, the rolling plate 121 is wound around the drum body 124 while the driving shaft 123 is rotated. That is, the rolling plate 121 drawn out by the sliding motion along the guide rail 132 is slid by the driving force of the driving shaft 123 and is wound around the drum body 124.

In this case, the driving shaft 141 is configured to be idling so that the rolling plate 121 can be wound up and wound around the drum body 124 while being slid backwards.

In addition, the plate reading means 150 is formed in a hollow rectangular shape in which a space is formed inside the body portion 151 and the rolling sled while being formed along the longitudinal direction in the central portion of the inner surface of the body portion 151. The slot cutout 152 for inserting the eve 143 and the inner bottom surface of the body 151 are installed on the inner bottom surface of the body 151, and the driving sprocket 142 may be engaged with each other to be read along the longitudinal direction thereof. Consists of a rolling roller 153 is provided with a plurality of intervals.

Here, the structure of the plate reading means 150 is made the same as the structure of the guide rail 132.

That is, when the driving shaft 123 is rotated according to the driving of the driving motor 125 and the rolling plate 121 is reversely slid and wound around the drum body 124 to wind up, the driving sprocket 142 is engaged with the rolling roller 153 in the body portion 151 of the plate reading means 150 is stopped and waits for the next take-out operation.

Here, when the guide rail 132 is rotated and the ascending is completed, the guide rail 132 is in contact with each other and a body passage is formed so that the driving sprocket 142 is the guide rail in the plate reading means 150. (132) can be moved naturally inside.

In addition, the driving motor M1 is installed on the front plate 113 provided at the rear of the driver's seat of the dump truck, and the driving rotary shaft M11 and the pivot support rod 131 provided in the driving motor M1. Is connected to the chain means 160 and the driving force of the drive motor (M1) is transmitted to the rotation support rod 131 is enabled to rotate.

Therefore, when the drive rotation shaft M11 is rotated by the driving motor M1, the rotational force is transmitted to the rotation support rod 131 through the chain means 160 to rotate it.

As such, as the pivot support rod 131 is rotated, the pivot wing plate 130 can be folded upward or downwardly unfolded. This is because the pivot support rod 131 serves as a pivot shaft for pivoting the pivot vane plate 130.

In addition, a rotation support bar 170 is installed at the end of the driving rotation shaft M11 so as to be connected to the rotation support rod 131 so that the rotation can be freely performed while being firmly supported.

This is because, because the rotating blade plate 130 is long and its load is heavy, a bending force is generated when the driving rotary shaft M11 raises or lowers it while transmitting rotational force through the chain means 160. As a result, the driving support shaft 170 or the rotating support rod 131 is bent to cause a failure, so that the rotating support bar 170 is installed to prevent the driving rotation shaft M11 or the rotating support rod 131 from being bent.

Therefore, when the chain means 160 rotates by the rotation support bar 170 firmly supporting the drive rotation shaft M11 and the rotation support rod 131, the drive rotation shaft M11 and the rotation are rotated. The load applied to the support rod 131 can prevent them from bending.

A locking lever 134 having a 'c' shape is provided on the support plate 133a provided at the distal end of the plurality of support plates 133 that connect the pivotal support rod 131 and the guide rail 132. Is provided.

In addition, the front plate 113 of the loading box 110 is provided with a solenoid valve 180 is provided with a locking rod 181 is inserted into the locking lever 134 to be locked.

Here, the locking rod 181 is configured to be stretchable by the operation of the solenoid valve 180.

Therefore, when the rotating wing plate 130 is folded up while being rotated by the drive of the drive motor (M1), the solenoid valve 180 is operated to lock the 'c' shaped to the locking lever 134 The rod 181 is inserted to extend and fix the pivoting blade plate 130, thereby preventing the pivotal blade plate 130 from being rotated and opened by any external force.

This allows the pivoting blade 130 to be stably maintained while being rotated by the driving of the driving motor M1, thereby preventing safety accidents that may be accidentally opened. will be.

Here, the locking means for fixing the rotation wing plate 130 by the operating device such as a solenoid valve, the locking means of the '' 'shape to fix the locking rod 181 as described above Instead of installing the lever 134, a through hole (not shown) may be formed on one side of the support plate 133a to allow the locking rod 181 to be inserted into and fixed thereto, or the locking rod 181 A locking support plate 134a is provided at an end of the support plate 133a to be positioned between the locking support plate 134a and the solenoid valve 180 to pull the locking rod 181 to support the support plate 133a. ) May be supported and fixed.

Therefore, the locking means for fixing the rotation wing plate 130 by the operating device such as a solenoid valve, etc. can be implemented by a person skilled in the art to change to a more various structure.

In addition, an elastic support spring 135 is inserted into the pivot support rod 131 provided in the pivot wing plate 130.

Here, as the elastic support spring 135, a torsion spring is installed so that one end thereof is elastically supported by the support plate 133 and the other end is supported by the side plate 112 of the loading box 110, It is not limited to this.

In addition, the elastic support spring 135 may be installed in each of the two at each side in the position where the support plate 133 is connected to the rotation support rod 131.

Therefore, when the rotary wing plate 130 is rotated downward by the elastic support force of the elastic support spring 135 to prevent it from hitting the side plate 112 of the stacking box 110, the noise during operation The degradation can of course be improved durability.

In addition, the rolling plate 121 covering the loading box 110 is usually formed of a structure such as a shutter to close a general building entrance and exit, but is not limited thereto.

In addition, the rolling plate 121 is connected to the plurality of connection frames 122 provided on both sides in succession to form a joint shape to be wound (wound) to the drum body 123 or to be withdrawn, the Between the sealing means is provided to prevent rainwater from entering the inside of the loading box from the outside.

In addition, both ends of the rolling plate 121 are inserted into the body parts 132a and 151 provided in the guide rail 132 and the plate reading part 150, respectively, to the rolling rollers 132c and 153. A pair of sliding rollers 121a for easily sliding while contacting each other and a supporting roller 121b for sliding while supporting the inner wall surface of the guide rail 132 are provided.

Therefore, when the rolling plate 121 is inserted into the body parts 132a and 151 provided in the guide rail 132 and the plate reading part 150 and slides, the sliding roller 121a is the guide rail. 132 and the sliding rollers in contact with the rolling rollers (132c, 153) provided on the bottom surface of the plate reading part 150, and the support roller 121b is the body of the body (132a, 151) By sliding while supporting the inner wall surface, the rolling plate 121 can be easily slid along the guide rail 132 and the plate reading part 150.

In addition, the connection frame 122 provided on both sides of the rolling plate 121 and connecting them is flexible and flexible to be wound together when the rolling plate 121 is wound on the drum body 124. Used as a material.

In addition, an end support frame 126 having a substantially '-' shape to be in close contact with the upper edge surface of the rear plate 114 provided in the loading box 110 to the end of the connection frame 122. ) Is installed.

Therefore, the rolling plate 121 is drawn out while sliding along the guide rail 132 provided on the pivoting blade 130 by the plate driving means 140 to cover the loading box 110, the At the rear end of the stacking box 110, the end support frame 126 is supported while being in close contact with the upper edge surface of the rear plate 114 so that the stacking box 110 can be completely blocked from the outside.

Here, the end support frame 126 may be any shape of the structural surface in close contact with the upper edge surface of the back plate 114, such as a concave (concave) groove shape, in addition to the "b" shape.

In addition, a rear vision camera 190 is installed at the center of the end support frame 126 to draw out the rolling plate 121 or to drive the vehicle while watching the rear side. .

The cover automatic opening and closing device 100 of the dump truck loading box of the present invention configured as described above, as shown in Figures 1 and 2, after loading the load in the truck load cover the top and rear of the load to the outside The rolling plate 121 is covered (closed) so as not to fall, and when the load is not loaded, it can be opened, and the operation procedure is performed as follows.

First, in order to cover the upper surface and the rear surface of a load in the stacking box 110 of the cover truck, the drive motors M1 of the left and right sides provided in the front plate 113 through a control unit (not shown). ).

Then, the rotating wing plate 130 is rotated to the upper side by the rotation of the rotation support rod 131 is fixed to the side plate 112 of the loading box 110 is fixed in an upward state.

At this time, the end of the guide rail 132 provided on the upper end of the rotating wing plate 130 is in communication with each other while coinciding with one end of the plate reading means 150.

At the same time, the support plate 133a provided in the middle portion of the pivoting blade 130 is operated while the solenoid valve 180 is operated so that the locking rod 181 is fitted to the locking lever 134 and locked. . Therefore, the rotating wing plate 130 can be firmly fixed without being rotated (opened) by an external force.

Subsequently, when the driving motor M2 is operated through a controller (not shown), the driving sprocket 142 provided at the end of the driving shaft 141 is rotated while the driving shaft 141 is rotated.

Then, as the driving sprocket 142 is rotated along the rolling rollers 132c and 153, the body portion 132a of the guide rail 132 in the body portion 151 of the plate reading means 150. Sliding (moving) to the rear of the loading box 110 along the inside.

Therefore, the rolling plate 121 connected to the drive shaft 141 is drawn out from the drum body 124 to cover the upper surface of the loading box 110.

In this manner, the rolling plate 121 is drawn out while sliding along the guide rail 132 provided on the pivoting blade 130 by the plate driving unit 140 to cover the loading box 110. In this case, the end support frame 126 is supported in close contact with the upper edge surface of the rear plate 114 at the rear end of the stacker 110 so that the stacker 110 is completely blocked from the outside.

As described above, in order to open it after the drawing operation (loading closure) of the rolling plate 121 is finished, the driving motor 125 provided in the wound rolling device 120 is driven.

Then, as the drive shaft 123 is rotated to rotate the drum body 124, the rolling plate 121 is wound around the drum body 124.

At this time, the driving shaft 141 provided in the plate driving means 140 is neutral and idle rotation so that the rolling plate 121 is retracted along the guide rail 132.

Subsequently, the plate driving means 140 is completely retracted and stopped by the plate reading means 150, and then the solenoid valve 180 is operated to release the locked state.

When the left and right driving motors M1 are operated in the control panel, the pivot support rod 131 is rotated and thus the pivot vane plate 130 rotates to the side plate 113 to load the truck. The opening is complete.

As described above, the present invention is provided with a guide rail for installing the winding rolling device on the front upper surface of the loading box and withdrawing or winding the rolling plate on both sides of the loading box, so that the rolling plate provided in the winding rolling device is Pull out along the guide rail to completely cover the loading box, and provided with roller means at both ends of the rolling plate so that they slide while supporting the guide rail stably, and at the same time, a rear view camera is installed at the end of the rolling plate. By allowing the rear view to be secured, the rolling plate can be easily and conveniently slid along the guide rail to open and close, thereby completely preventing the load loaded into the loading box from falling out or being exposed to the outside.

100: Automatic opening and closing cover of dump truck loading box
110: Loading
111: bottom plate 112: side plate 113: front plate 114: back plate
120: winding-up rolling device
121: rolling plate 121a: sliding roller 121b: support roller
122: connecting frame 123: drive shaft 124: drum body
125: drive motor 126: end support frame 127: protective support briquette
130: rotating wing plate
131: rotation support rod 132: guide rail 132a: body portion 132b: slot incision
132c: rolling roller 133: support plate 134: locking plate
135: elastic support frame M1: first drive motor
140: plate driving means M2: second drive motor
141: drive shaft 142: drive sprocket 143: rolling sleeve
150: play reading means
151: body portion 152: slot incision 153: rolling roller
160: chain means 170: rotation support bar
180: solenoid valve 181: locking rod 190: rear vision camera

Claims (11)

In the switchgear for opening and closing the cover of the truck compartment automatically,
Rolling plate that consists of a bottom plate, both side panels, a top plate and a top plate protruded into the upper surface of the driver's seat, the top surface is installed in the loading tray of the open truck to open and close the upper opening surface of the open storage box A winding rolling device for allowing the coil to be wound or unrolled,
Is installed on the outer surface of the side plate, the lower side of the rotation support rod is rotatably supported by the first drive motor and the upper guide rail for sliding reciprocating movement as both ends of the rolling plate is inserted Rotating blade plate to be rotated up and down about the rotation support rod, including;
A circular drive sprocket installed at an end side of a connecting frame connecting the rolling plate, the drive shaft being rotated by a second drive motor, and installed at both ends of the drive shaft to rotate to draw or wind the rolling plate. And Plate driving means consisting of a rolling sleeve that is inserted into the guide rail to be sliding, and
It is provided on the protective support brackets installed on both sides and the outer circumferential portion of the wound rolling device and comprises a plate reading means for inserting the driving sprocket so that the rolling plate can be drawn out,
Both side ends of the rolling plate are provided with a pair of sliding rollers to be slid along the bottom of the guide rail and supporting rollers to be slid while supporting the inner wall side of the guide rail. Automatic switchgear of dump truck loading box.
The method of claim 1,
The guide rail has a hollow rectangular shape having a space formed therein, the rear end side of which is formed to be bent downward, and the rolling sleeve is inserted while being formed along the longitudinal direction in the center of the inner side of the body portion. A dump truck stack comprising: a plurality of rolling rollers installed at a predetermined interval along a longitudinal direction of the slot cutout portion, and installed on the inner bottom surface of the body to allow the driving sprocket to rotate while being engaged. Cover automatic switchgear.
The method of claim 1,
The winding-type rolling device is installed on the upper side of the front plate of the loading box, the rolling plate which can cover or remodel the loading box, the drum body which can wind and receive the rolling plate, and the drum body. Automatically opening and closing the cover of the dump truck loading box comprising a drive shaft for rotating the drive shaft, and a drive motor for rotating the drive shaft.
The method of claim 2,
The plate reading means is a hollow body formed in a rectangular shape having a space therein, a slot cutout portion is formed along the longitudinal direction in the center of the inner surface of the body portion can be inserted into the rolling sleeve, and The cover of the dump truck loading box is installed on the inner bottom surface of the body portion comprises a plurality of rolling rollers at regular intervals along the longitudinal direction so that the drive sprocket can be rotated while being engaged.
5. The method of claim 4,
At the end of the drive shaft for rotating the rotating wing plate is connected to the end of the rotary support rod is supported by the end of the rotary support rod to the dump truck loading characterized in that the rotation support bar is further provided to enable free rotation Cover automatic switchgear.
The method of claim 5,
The front plate is automatically provided with a solenoid valve for locking or releasing the support plate provided on the pivoting blade plate to install or release the rotation of the pivoting blade plate. Switchgear.
The method according to claim 6,
The rotating support rod provided on the rotating wing plate is installed to be elastically supported on a support plate, one end of which is supported by a guide rail and the other end is elastically supported to be installed to be elastically supported on the side plate of the loading box. Automatic opening and closing cover of the dump truck loading compartment, characterized in that it is provided.
The method of claim 1,
Both end portions of the connecting frame are provided with an end support frame further installed to have a '-' shape or groove shape so as to be connected to each other by being connected to each other along the upper edge surface of the back plate provided in the loading box. Automatic opening and closing cover of the dump truck loading compartment, characterized in that.
9. The method of claim 8,
Automatically opening and closing the cover of the dump truck loading box, characterized in that the end support frame is further provided with a rear vision camera to observe the rear side.
delete The method according to claim 6,
The support plate is provided with a 'c' shaped locking lever, and the solenoid valve is provided with a locking rod to be extensible, and the locking rod is fixed by the solenoid valve to fix the locking lever to rotate the rotating wing plate. Automatic opening and closing cover of the dump truck loading compartment, characterized in that configured to be fixed to the rotation of the.

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