KR200218792Y1 - Stacking box cover automatic switchgear - Google Patents

Abstract

The present invention relates to a loading cover cover automatic opening and closing device that is placed on the loading box to prevent the cargo loaded on the loading box such as a truck or a dump truck cleaning vehicle from falling on the road during operation. By operating the wired / wireless operation switch to automatically open or close the loading compartment cover, the loading compartment cover can be quickly covered or opened by the driver as needed, and thus opening and closing the loading compartment cover. Is made quickly and accurately, even if cargo, aggregate, garbage, etc. are protruded on the side wall of the loading box, the operation of the cover is made smoothly, and dust is prevented from scattering to the outside. Made easy to install, according to the production The unit price is low and it is used for a long time without any trouble.

Description

Stacking box cover automatic switchgear

The present invention relates to an automatic opening and closing device of the cargo box cover of a cargo vehicle, and more particularly, an automatic loading box cover automatic opening and closing device of a cargo box or a dump truck cleaning vehicle that is placed on a loading box to prevent the cargo from falling on the road during operation. It is about.

In general, a vehicle with a loading box is mandated to operate with a loading cover cover mandated by the Road Traffic Law so that cargo loaded in the loading box does not fall on the road during operation.

In particular, in the case of a dump truck that mainly carries construction aggregates, or a cleaning vehicle that carries garbage, the driver may cover the loading box cover and operate without covering the loading box cover. To provide a cause of traffic accidents to other vehicles, there was a problem polluting the environment.

Accordingly, in order to solve the above problems, the automatic loading and closing device of various configurations has been devised so as to automatically cover the loading box cover, but it is complicated in construction and not easy to manufacture, and the installation cost is high. Since failures frequently occur, there was a problem that was not practical.

In addition, there is a problem that can not operate the cover if the aggregate is stacked up to the side wall of the loading box.

Particularly, in the related art, a hollow shaft having a cover wound on each front and rear of the stacking box is installed, and as the hollow shaft is moved from the front and rear of the stacking box to the upper side of the stacking box, the cover is automatically opened and closed to cover the stacking box. There was a difficulty in installing the hollow shaft consists of two, accordingly there was a problem that a lot of manufacturing cost.

In addition, the hollow shaft is located in the upper center portion of the loading box during operation, while running for a long time there is a problem that the bending caused by the weight of the hollow shaft caused a failure.

The present invention is to solve the conventional problems as described above, the object of the present invention is to install the cover of the loading box on one side of the loading box by the operation or manual operation of the wired or wireless operation switch in the driver's seat or outside as needed. An object of the present invention is to provide an automatic opening / closing device of the loading box cover, which can open and close the loading box cover quickly.

Another object of the present invention is to provide an automatic loading box cover automatic opening and closing device for smooth operation of the cover even when the cargo, aggregate, garbage, etc. are protruded on the side wall of the loading box.

Still another object of the present invention is to provide an automatic opening and closing device of the loading box cover, so that dust is not scattered during operation.

Still another object of the present invention is to provide a simple loading box cover automatic opening and closing device that is relatively simple in configuration, thereby making the manufacturing cost cheap and long-term use without failure.

The present invention, in order to achieve the above object, in the automatic storage box cover automatic opening and closing device for automatically opening and closing the cover of the cargo truck or truck dump truck, the cover is wound on the outer circumferential surface, each of the spiral groove in multiple stages A hollow shaft having a first winding reel, a second winding reel, a third winding reel, and a fourth winding reel formed thereon and installed at the front upper end of the loading box; A worm connected to the motor, and a first driving reel and a second driving reel formed in multiple stages on one side, and a worm gear connected to the worm, respectively, installed at both ends of the hollow shaft; One end is fixedly wound on the first winding reel formed on the hollow shaft, and the first winding is reciprocated forward through the opposite side of the loading box in which the hollow shaft is installed is fixed to the first drive reel of the drive device 1 drive cord; A second drive cord having one end fixedly wound on a second winding reel formed in the hollow shaft and fixedly wound around a second drive reel of the driving device at a lower side of the driving device; A first tension cord having one end fixed and wound on a third winding reel formed on the hollow shaft, and the other end passing through an upper side of the loading box and fixed to a tension controller at an opposite surface; One end is fixedly wound around the fourth winding reel formed on the hollow shaft, and the other end includes a second tension cord connected to the tension controller separately from the front lower side of the loading box.

Another feature of the present invention, the chain is provided on each upper end of the loading box, the sprocket is provided at each end of the hollow shaft, respectively, the bearing is provided therein, respectively, the first drive reel and the second drive of the drive device Each drive line wound on the drive reel is inserted from the side of the hollow shaft and fixed to the bearing.

Accordingly, the hollow shaft is driven by the chain and the chain sprocket during opening and closing of the loading box to open and close the loading box so that the operation of the hollow shaft is made more smoothly, and thus the opening and closing of the loading box is made easier.

Another feature of the present invention is that the elastic cover is repeatedly provided around the outer circumferential surface of the cover that is wound on the hollow shaft is wound on the hollow shaft.

Accordingly, the cargo box cover is pressed while the cargo box cover is resilient while being pushed up from the upper side, thereby preventing the loaded cargo from falling outward.

Figure 1-perspective view showing the installation state of the automatic storage box cover opening and closing device according to the present invention

2-schematic plan view according to the present invention

Figure 3-enlarged perspective view of the main part according to the present invention

Figure 4-Operation state diagram according to the present invention

5-back view according to the present invention

6-enlarged cross-sectional view of the main part according to the present invention

7 is a schematic plan view showing another embodiment according to the present invention

8 is a plan view of a cover showing another embodiment according to the present invention

9 is a schematic side cross-sectional view showing an example according to the present invention.

* Description of the symbols for the main parts of the drawings *

One ; Stacker cover automatic opening and closing device 2; Loading box

3; Cover 4; Hollow shaft

5; Volume 1 reel 6; Volume 2, Reel

7; Volume 3, Reel 8; Volume 4, Reel

9; Spiral grooves 10; Drive

11; Motor 12; Wham

13; Worm gear 14; 1st drive reel

15; Second driving reel 16; Drive cord

17; Second drive cord 18; Rear view

19; Roller 20; 1st tension line

21; Second tension line 22; Elastic piece

23; Tension regulator 24; Support Bracket

25; Auxiliary cover 26; support fixture

27; Connection band 28; switch

29; Guide rail 30, 30 '; Rotating Roller

31; Chain 32; Sprocket

33; Fixed line 34; Elastic

35; Elastic cover 36; door

37; Hinge 38; Support plate

39; Jam Roller

When described in more detail with reference to the accompanying drawings as a specific configuration and operation of the present invention as an embodiment as follows.

1 is a perspective view showing an installation state of the automatic storage box cover opening and closing device 1 according to the present invention, Figure 2 is a schematic plan view of the automatic storage box cover opening and closing device 1 according to the present invention, Figure 3 1 to 3 according to the main portion enlarged perspective view according to the present invention, the loading box cover automatic opening and closing device (1) of the present invention is installed in the loading box (2) of the vehicle in which the loading box (2) is formed, such as a truck or a dump truck cleaning vehicle The hollow shaft (4) in which the cover (3) is wound on the front upper end of the loading box (2) is installed.

One end of the cover 3 is wound around the outer peripheral surface of the hollow shaft 4, and the other end thereof is fixed to the storage box 2.

In addition, a plurality of winding reels (5, 6, 7, 8) are formed at both ends of the hollow shaft (4), respectively, this winding reel (5, 6, 7, 8) is an end of the hollow shaft (4) The first winding reel (5), the second winding reel (6), the third winding reel (7) and the fourth winding reel (8) are formed sequentially from the inside, are separated from each other by stepping, Spiral grooves 9 are formed on the outer circumferential surfaces of the winding reels 5, 6, 7, 8, respectively.

A driving device 10 is installed at both ends of the hollow shaft 4, respectively, and the driving device 10 is provided with a motor 11 and a worm 12 is coupled thereto. It is connected to the worm gear 13 and the one side of the worm gear 13, that is, the first drive reel (1, 5, 6, 7, 8) is formed on the lower side of the winding reel (4) 14) and the second driving reel 15 are formed to extend and are separated by stepped, respectively, the outer peripheral surface of each of the driving reel (14, 15), each winding reel (5, 6, Spiral grooves 9 formed in 7, 8 are respectively formed.

Each of the winding reels (5, 6, 7, 8) formed in the hollow shaft (4) and each of the drive reel (14, 15) formed in the drive device 10 is connected to each other drive line (16) , 17) is provided and the end is fixed and wound, and the drive lines 16 and 17 are divided into a first drive line 16 and a second drive line 17, respectively.

The first drive line 16 is one end is fixedly wound around the first winding reel (5) formed on the hollow shaft (4), the other end is a loading box having the hollow shaft (4) ( It is connected to the first drive reel 14 of the drive device 10 through the upper side of 2), that is, by installing the roller 19 on the rear surface 18 of the loading box 2 through the roller 19 One end is fixedly wound around the first drive reel 14 of the drive device 10 which is reciprocated to the front of the loading box 2 and is provided below the hollow shaft 4.

The second driving line 17 has one end fixedly wound to the second winding reel 6 in a direction opposite to the direction in which the first driving line 16 is wound on the first winding reel 5, and the other end thereof. Is extended downward, and in the opposite direction to the direction in which the first drive cord 16 is wound on the first drive reel 14 via the roller 19 and the roller 19 is provided below. It is fixed and wound around the second drive reel 15.

Tension cords 20 and 21 are wound around the third winding reel 7 and the fourth winding reel 8 formed at both ends of the hollow shaft 4, respectively. It consists of one tension line 20 and a second tension 21 line, one end is fixed to the third winding reel (7) and the fourth winding reel (8), respectively, are wound in opposite directions.

In addition, the first tension line 20 is wound around the third winding reel (7), and the other end is moved from the upper side of the stacking box 2 toward the rear surface 18 of the stacking box to the rear surface 18, the elastic piece ( 22 is connected to a tension controller 23 having a tension control device (not shown in the drawing), and the second tension line 21 wound around the fourth winding reel 8. ) Is the other end is lowered and is connected to the separate tension controller (23).

In addition, a plurality of support brackets 24 are provided on the lower side of the hollow shaft 4 to support the load of the hollow shaft 4 on which the cover 3 is wound, and a rear surface of the loading box 2 is provided. A plurality of brackets 24 for supporting the hollow shaft 4 are also provided at the 18, and an auxiliary cover 25 is provided at the rear surface 18, and the auxiliary cover 25 is loaded (2). A plurality of supports 26 are provided on the rear surface of the), and the upper end of the auxiliary cover 25 is fixed on the rear surface 18 of the stacking box 2 and the lower end of the support band 26 is connected to the support 26. It is connected by (27).

According to this configuration, as shown in FIG. 4, the worm gear 13, which is engaged with the worm 12 coupled to the motor 11 by driving the motor 11 of the driving device 10, rotates. Each of the first driving reels 14 and the second driving reels 15 extending to one side is rotated.

The drive cord 16 is wound around the first drive reel 14 in the direction of arrow A, and in the first winding reel 5 of the hollow shaft 4, the drive line 16 is loosened while the drive line 16 is loosened. ), The hollow shaft 4 is also pulled in the direction of arrow A.

At this time, the second drive cord 17 is wound around the second winding reel 6 while being unwinded in the direction of arrow B from the second drive reel 15.

At this time, the first tension line 20 is wound around the third winding reel 7 of the hollow shaft 4, the second tension line 21 is the fourth winding reel of the hollow shaft (4) As it is released in 8) the hollow shaft 4 is moved while rotating.

In addition, each tension line (20, 21) is to give the elasticity in the direction of the cross arrow C and D as the hollow shaft (4), respectively, in this case is connected to the tension regulator 23 and the fourth winding reel (8) The tension regulator 23 is applied to the tension tensioner 23 pulls the downward direction in the direction of the arrow "C" from the lower side, and the tension regulator 23 at the rear surface 18 of the stacking box 2. The first tension line 20 connected to the third winding reel 7 is connected to the hollow shaft 4 by applying a pulling force in the direction of the arrow “D” so that the hollow shaft 4 moves while rotating. do.

In addition, the first tension cord 20 and the second tension cord 21 hold the hollow shaft 4 by tension on both sides, so that the hollow shaft 4 is moved to either side during the upward movement of the hollow shaft 4. ) Will prevent it from tipping.

At this time, as the hollow shaft 4 moves while rotating, the cover 3 wound on the outer circumferential surface of the hollow shaft 4 is released from the hollow shaft 4 to cover the loading box 2. When the hollow shaft 4 is completely moved to the rear surface of the stacking box (2) is to be seated on the auxiliary cover 25 installed on the rear surface (2) as shown in FIG.

At this time, the hollow shaft (4) is seated on the auxiliary cover (25) is supported on the bracket 24, the soil, etc. loaded on the stacking box (2) is loaded through the top of the stacking box (2) ) And the cover 3 is prevented from flowing down.

In addition, although not shown in the drawing, the power is supplied by the driver by the wired / wireless operation switch indoors, or by operating the loading box cover automatic opening and closing device 1 from the outside by the remote control, and the hollow shaft 4 It is also possible to install and use the switch 28 or sensor at the lower end of the switch 28 to automatically operate in accordance with the movement of the hollow shaft (4), and to operate manually by artificial operation from the outside You can also do

In addition, the guide rails 29 may be installed and used on both sides of the upper side of the loading box 4, that is, the upper side through which the driving lines 16 and 17 and the tension lines 20 and 21 pass.

In addition, the spiral grooves 9 formed on the outer circumferential surfaces of the respective winding reels 5, 6, 7, and 8 of the hollow shaft 4 are selectively formed in the opposite directions or formed in a constant direction. It may be used, or may be provided by selectively installing each drive device 10 provided on both sides of the hollow shaft 4 on the lower side.

Reference numeral "22" denotes an elastic piece for applying elasticity to the tension strings 20 and 21, and reference numeral 30 denotes each drive cord 16 and 17 and each tension cord 20 and 21. This is a general rotating roller that makes the operation of the smooth.

The rollers 19 provided at the front and the rear of the loading box 2 are operated to adjust the tension of each of the driving lines 16 and 17.

In addition, as shown in Fig. 6, the stepped portions formed on the respective winding reels 5, 6, 7, 8 and the driving reels 14, 15 to form a boundary have a cross-sectional shape of "I" shape. The outer peripheral surface is extended to the outside, respectively, the drive line (16, 17) and the tension line (20) wound by the operation of each winding reel (5, 6, 7, 8) and each drive reel (14, 15), respectively , 21) is easily guided to the left and right side so that it is easily operated when winding or unwinding.

In addition, when the loading box 2 covered by the cover 3 is to be opened again, a reverse rotation is applied to the motor 11 of the driving device 10 so that the cover 3 is rolled out of the loading box 2 in the reverse order. do.

According to another embodiment of the present invention, as shown in FIG. 7, chains 31 are respectively installed at both upper ends of the loading box 2, and sprockets 32 are respectively provided at both ends of the hollow shaft 4. Bearings (not shown in the drawings) are provided inside the respective drive lines 16 and wound around the first drive reel 14 and the second drive reel 15 of the drive device 10. 17) is inserted from the side of the hollow shaft 4 and is fixed to the bearing.

Accordingly, the first driving reel 14 and the second driving reel 15 are operated by the operation of the driving device 10, and are connected to a bearing provided in the hollow shaft 4. The first drive line 16 is wound around the first drive reel 14 along the direction of arrow "A" on the first drive reel 14, and the second drive line 17 connected to the bearing. The sprockets 32 provided at both ends of the hollow shaft 4 are moved upward along the chain 31 while being released along this arrow " B " direction.

At this time, the bearing provided in both ends of the hollow shaft 4 is to be rotated, the hollow shaft 4 is rotated by the chain 31 and the sprocket 32 when opening and closing the loading box (2) As the cover 3 opens and closes the loading box 2, the opening and closing operation of the loading box 2 is made more quickly and accurately.

In addition, rotating rollers 30 'are provided at both sides of the sprocket 32 of the hollow shaft 4 so as to be fixed by separate fixing strings 33, which are sprockets of the hollow shaft 4, respectively. When the 32 moves along the chain 31, the sprocket 32 is prevented from being separated from the chain 31.

According to another embodiment of the present invention, as shown in Figure 8, the elastic cover 35 is repeatedly provided with an elastic band 34 around the outer peripheral surface of the cover 3 wound around the hollow shaft (4) Is further provided and wound around the hollow shaft 4.

Accordingly, the cargo loaded in the loading box 2 is pressed by the elastic cover 35 provided on the cover 3 while pressing the loaded cargo from above and thus the cover 3 is loaded. It will be in close contact to prevent the cargo from falling to the outside.

In addition, as the elastic cord 34 such as a band presses the cargo loaded with the elastic cover 35 from above, each elastic string 34 is easily pressed by the elastic force of the cargo that is irregularly loaded. Given.

In addition, as shown in FIG. 9, a rear door 36 that is hinged and rotatable is provided at the rear of the stacker 2, and as necessary, the rear part of the stacker 2 is opened by raising the door 36 upward. Giving.

At this time, in order to prevent the door 36 from being rotated upward and impacting each of the drive lines 16 and 17 and the tension lines 20 and 21, the door 36 may be rotated while facing both sides of the upper end of the loading box 2. To install the support plate 38 is coupled to the hinge 37, through the upper surface of the support plate 38 to form a groove for each of the drive line (16, 17) and each tension line (20, 21) to pass through The locking rollers 39 are provided on the inner surfaces of the support plates 38 facing each other, and the doors 36 provided in the stacking box 2 are rotated upwards with respect to the hinges. As the door 36 is brought into contact with the locking roller 39 formed inside the support plate 38 while the support plate 38 is coupled to the hinge 37 by a force to open the door 36, Will be rotated to.

In addition, as the support plate 38 is rotated, the driving lines 16 and 17 and the tension lines 20 and 21 which are guided through the upper surface of the support plate 38 are also moved together to be loaded (2). It is to prevent the impact is applied to each of the drive line (16, 17) and the tension line (20, 21) according to the opening and closing of the door 36 is provided.

In addition, the groove formed on the upper surface of the support plate 38 is provided with a plurality of rotating rollers 30, respectively, so that the drive line 16, 17 or the tension line 20, 21 passes.

According to the present invention as described above, it is possible to automatically open or close the loading compartment cover by walking or covering the loading compartment cover by manual operation of the driver or operation of the wired / wireless operation switch of the loading compartment cover to be covered by the driver. Can be quickly covered or opened and closed as needed, so that the opening and closing of the loading box can be opened and closed accurately and quickly, even if the cargo, aggregate, garbage, etc. protruded over the side wall of the loading box, the operation of the cover is smooth It is made to prevent the dust from scattering to the outside, and the configuration is relatively simple to simplify the installation, according to the design cost is cheap and according to the design that is effective for long-term use without failure.

Claims (3)

In the automatic loading and closing device of the loading box cover that automatically opens and closes the loading box cover of a truck or a dump truck, The first winding reel (5), the second winding reel (6) and the third winding reel (7), the cover (3) is wound on the outer circumferential surface, and spiral grooves (9) are formed in multiple stages at both ends, respectively; Hollow shaft (4) is formed on each of the fourth winding reel (8) is installed on the front upper end of the stacking box (2); The worm 12 is connected to the motor 11 and the first drive reel 14 and the second drive reel 15 is formed on one side in multiple stages consisting of a worm gear 13 connected to the worm 12 is A driving device 10 provided at both ends of the hollow shaft 4, respectively; One end is fixedly wound on the first winding reel 5 formed on the hollow shaft 4 and reciprocates forward through the opposite side 18 of the loading box 2 in which the hollow shaft 4 is installed. A first driving line 16 fixed and wound around the first driving reel 14 of the driving device 10; One end is fixedly wound around the second winding reel 6 formed on the hollow shaft 4 and fixed to the second driving reel 15 of the driving device 10 below the driving device 10. A second drive line 17 wound up; One end is fixed to the third winding reel (7) formed on the hollow shaft (4), and the other end passes through the upper side of the loading box (2) to the tension controller (23) on the opposite side (18). A first tension line 20 fixed thereto; One end is fixedly wound around the fourth winding reel (8) formed on the hollow shaft (4), and the other end is connected to the tension controller (23) separate from the front lower side of the loading box (2) Loading box cover automatic opening and closing device, characterized in that consisting of two tension lines (21). According to claim 1, Chains 31 are respectively provided on both upper ends of the loading box (2), Sprockets (32) are respectively provided at both ends of the hollow shaft (4) is provided with a bearing therein, Each drive line 14, 15 wound on the first drive reel 14 and the second drive reel 15 of the drive device 10 is inserted from the side of the hollow shaft 4 and fixed to the bearing. Loading box cover automatic opening and closing device, characterized in that for opening and closing the loading box (2) while the hollow shaft (4) is rotated. 2. The hollow shaft (4) according to claim 1, further comprising an elastic cover (35) having elastic bands (34) repeatedly provided around an outer circumferential surface of the cover (3) wound around the hollow shaft (4). Automatic box opening and closing device, characterized in that is wound around.