KR101854101B1 - Automatic cover of dump truck - Google Patents

Automatic cover of dump truck Download PDF

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Publication number
KR101854101B1
KR101854101B1 KR1020180013396A KR20180013396A KR101854101B1 KR 101854101 B1 KR101854101 B1 KR 101854101B1 KR 1020180013396 A KR1020180013396 A KR 1020180013396A KR 20180013396 A KR20180013396 A KR 20180013396A KR 101854101 B1 KR101854101 B1 KR 101854101B1
Authority
KR
South Korea
Prior art keywords
cover
bevel gear
electric motor
lid
rotating shaft
Prior art date
Application number
KR1020180013396A
Other languages
Korean (ko)
Inventor
김성춘
Original Assignee
김성춘
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 김성춘 filed Critical 김성춘
Priority to KR1020180013396A priority Critical patent/KR101854101B1/en
Application granted granted Critical
Publication of KR101854101B1 publication Critical patent/KR101854101B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J7/00—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs
    • B60J7/08—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of non-sliding type, i.e. movable or removable roofs or panels, e.g. let-down tops or roofs capable of being easily detached or of assuming a collapsed or inoperative position
    • B60J7/085—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of non-sliding type, i.e. movable or removable roofs or panels, e.g. let-down tops or roofs capable of being easily detached or of assuming a collapsed or inoperative position winding up, e.g. for utility vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P7/00—Securing or covering of load on vehicles
    • B60P7/02—Covering of load
    • B60P7/04—Covering of load by tarpaulins or like flexible members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
    • F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
    • F16H1/14—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising conical gears only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/10—Road Vehicles
    • B60Y2200/14—Trucks; Load vehicles, Busses
    • B60Y2200/142—Heavy duty trucks

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Abstract

The present invention relates to an automatic cover for a dump truck capable of automatically opening and closing the loading box of the dump truck, comprising: a loading box (11) mounted on the rear of the dump truck (10); An automatic cover frame (12) for opening and closing the loading box; A cover 13 made of a material that can be rolled to cover or open the upper front surface of the loading box; An electric motor 14 that rotates when an electric signal is received, and a first bevel gear 15 is fitted to the rotating shaft; The second bevel gear 16 is engaged with the first bevel gear 15 so that the first bevel gear 15 is rotated and receives the rotational force transmitted from the first bevel gear 15, A rotary shaft 17 fixed at one end; A guide plate (18) fixed to the other end of the lid (13) and having a length corresponding to the thickness of the lid (13); A wire 19 provided at one end around both ends of the rotating shaft 17 and between the rollers 20 provided on the rear side of the automatic cover frame 12; A pressure roller (21) for pressing the cover (13) from top to bottom so as not to be loosened when the cover (13) is wound on the rotating shaft (17); A switch (22) for supplying power to the controller (23) for controlling the electric motor (14) and the electric motor (14); A support rod 24 installed at an upper end of the electric motor case 141; And a spring (25) provided between the support rod (24) and both ends of the rotary shaft (17) to provide an elastic force.

Description

Automatic cover of dump truck.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic cover for a dump truck, and more particularly, to an automatic cover for a dump truck that can automatically open and close a load box of the dump truck.

Generally, a dump truck refers to a special freight vehicle for transporting soil and aggregates that automatically lifts the load by tilting the load by 60 to 70 °.

In recent years, laws have been enacted that require the installation of a dump truck lid due to problems such as dirt trucks running on the road and some of the various toilets and aggregates loaded in the wind.

According to the Utility Model Registration No. 20-0333447 (Automatic Cover Device for Dump Truck Loader), "the space occupied and the portion exposed to the outside are reduced, so that it provides a good aesthetic appearance and maintains excellent adhesion in the folded or flat state, A pair of inclined covers which are rotatably installed on both sides of the dump truck loading box through a support shaft formed at one corner, a pair of drive devices connected to the support shaft through a drive shaft and rotate the inclined cover by driving the drive shaft, A horizontal cover which is rotatably installed at an opposite corner of the slope cover and which is wrapped around the slope cover and the upper surface of the loading box by a folding device as the slope cover is rotated or is in contact with the side surface of the loading box, A force is applied to the horizontal cover so as to be in close contact with the load box, So that close contact with the dog to provide an automatic door device for a dump truck loading area comprising an adhesion device for applying a force to the horizontal cover "said bar is disclosed.

Registered utility model No. 20-0333447 (Automatic lid for dump truck loading box)

However, since the conventional cover device transmits power by a chain method, there is a problem in that foreign substances are caught by the sand or sand due to the working environment, so that the chain is detached or rotation of the chain becomes difficult.

In addition, the conventional cover device is expensive due to the complicated structural limitations, and the dump truck is often the business owner of the driver, which causes the economic burden to increase.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an automatic cover for a dump truck which can be manufactured at low cost and which is not structurally complicated.

Means for solving the above problems will be described.

The present invention relates to a dump truck (10), comprising: a loading box (11) placed at the rear of a dump truck (10); An automatic cover frame (12) for opening and closing the loading box; A cover 13 made of a material that can be rolled to cover or open the upper front surface of the loading box; An electric motor 14 that rotates when an electric signal is received, and a first bevel gear 15 is fitted to the rotating shaft; The second bevel gear 16 is engaged with the first bevel gear 15 so that the first bevel gear 15 is rotated and receives the rotational force transmitted from the first bevel gear 15, A rotary shaft 17 fixed at one end; A guide plate (18) fixed to the other end of the lid (13) and having a length corresponding to the thickness of the lid (13); A wire 19 having one end wound around a concave groove around both ends of the rotary shaft 17 and the other end provided between rollers 20 provided on the rear side of the automatic cover frame 12; A pressure roller (21) for pressing the cover (13) from top to bottom so as not to be loosened when the cover (13) is wound on the rotating shaft (17); A switch (22) for supplying power to the controller (23) for controlling the electric motor (14) and the electric motor (14); A support rod 24 installed at an upper end of the electric motor case 141; And a spring (25) provided between the support rod (24) and both ends of the rotary shaft (17) to provide an elastic force.

When the wire 19 is fixed to the guide plate 18 and the electric motor 14 is rotated in the normal direction, the opening and closing operation based on such a configuration pulls the lid 13 in the normal rotation direction, A rotational force is transmitted to the rotating shaft 17 by the first bevel gear 15 and the second bevel gear 16 and the lid 13 is rolled around the rotating shaft 17 while rotating the rotating shaft 17, The pressure roller 21 is pressed in the direction of the rotary shaft 17 so that the cover 13 is wound tightly on the rotary shaft 17 so as to open the cover 13; When the electric motor 14 is reversely rotated, the cover 13 is pushed in the reverse rotation direction and the cover 13 is rotated around the rotation axis 17 while the rotation shaft 17 is reversely rotated, The pressing roller 21 presses the lid 13 in the direction of the rotating shaft 17 so that the lid 13 is loosened with the rotating shaft 17 in close contact with the rotating shaft 17.

In the embodiment, in addition to the pressure roller 21, a guide roller 26 is further provided at a position adjacent to the pressure roller 21. [

In the embodiment, an area where the lid 13 and the guide plate 18 are located in the automatic cover frame 12 is recessed.

Advantageous effects of the present invention are that it is possible to provide an automatic cover for a dump truck which can be manufactured at low cost and which is not structurally complicated.

1 is a perspective view showing the appearance of an automatic cover according to the present invention.
FIG. 2 is a partially cutaway perspective view showing an electric motor of an automatic cover according to the present invention.
3 is a partial cross-sectional view showing a portion of the automatic cover of the automatic cover according to the present invention, centering on an electric motor, a gear and a rotating shaft.
FIG. 4 is a partially enlarged cross-sectional view of the cover before and after the cover is wound on the rotating shaft in FIG. 3;
FIG. 5 is a partial perspective view showing a state where the cover is changed from the closed state to the open state in FIG.
6 is a perspective view showing an appearance of an automatic cover according to the present invention installed on a dump truck.
7 is a perspective view showing the appearance of the automatic cover according to the present invention.

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

FIG. 1 is a perspective view showing an appearance of an automatic cover according to the present invention, FIG. 2 is a partially cutaway perspective view showing a part of the automatic cover of the automatic cover according to the present invention, Fig. 2 is a partial cross-sectional view showing a portion around an electric motor, gear, and rotary shaft of the motor.

FIG. 4 is a partially enlarged cross-sectional view of (a) and (b) before the lid is wound on the rotary shaft in FIG. 3, and FIG. 5 is a cross-sectional view in which the lid is changed from the closed state (a) to the open state FIG. 6 is a perspective view showing an appearance of an automatic cover according to the present invention installed on a dump truck, and FIG. 7 is a perspective view showing an appearance of an automatic cover according to the present invention.

Referring to FIG. 1, there is shown a stacking machine including a loading box 11 mounted on a rear side of a dump truck 10, an automatic cover frame 12 for opening and closing the loading box, and a material capable of being rolled A lid 13 is provided.

An electric motor 14 that rotates upon reception of an electric signal and has a first bevel gear 15 fitted to the rotation shaft thereof and an electric motor 14 coupled to the first bevel gear 15, The second bevel gear 16 is fitted at one end and a rotary shaft 17 to which one end of the lid 13 is fixed is provided.

A guide plate 18 fixed to the other end of the lid 13 and having a length corresponding to the thickness of the lid 13 is wound around one end of the rotary shaft 17 at one end And a wire 19 provided between the rollers 20 provided at the rear side of the automatic cover frame 12 at the other end thereof. At this time, concave grooves are formed around both ends of the rotary shaft 17 so that the wire 19 can be wound around the both ends.

A pressure roller 21 for pressing the lid 13 upward and downward so as not to be unwound when the lid 13 is rolled on the rotary shaft 17, a controller 23 for controlling the electric motor 14 and the electric motor 14, A switch 22 for supplying power to the electric motor case 141, and a support rod 24 provided at the upper end of the electric motor case 141.

And a spring 25 provided between the support rod 24 and both ends of the rotation shaft 17 to provide an elastic force.

Let's look at the driving relationship based on this configuration.

When the user turns on the switch 22 to open or close the lid 13 of the loading box 11, the control signal is transmitted to the electric motor 14 to set the rotation speed necessary for forward rotation or reverse rotation at a preset rotation speed And a power source (not shown) is supplied to the electric motor 14. [ At this time, although the power source is not shown in the drawings, the power source may be provided in a home power source, a battery power source, or both.

The wire 19 is fixed to the guide plate 18 so that when the electric motor 14 is rotated forwardly, the lid 13 is pulled in the normal rotation direction and the first bevel gear 15 is rotated, And the second bevel gear (16).

The cover 13 is rolled around the rotation shaft 17 while being rotated while the rotation shaft 17 is rotated so that the cover 13 is wound tightly on the rotation shaft 17, The cover 13 is pressed while being pressed toward the rotating shaft 17. At this time, when the lid 13 is rolled on the rotary shaft 17 and the thickness of the lid 13 is increased, the pressure roller 21 rises but presses the rotary shaft 17 with the elastic force of the spring 25, So as to be wound around the rotating shaft (17).

When the electric motor 14 is reversely rotated, the cover 13 is pushed in the reverse rotation direction and the cover 13 is rotated around the rotation axis 17 while the rotation shaft 17 is reversely rotated, The lid 13 is closed while the pressure roller 21 presses the lid 13 in the direction of the rotary shaft 17 so that the lid 13 is loosened with the rotary shaft 17 in close contact.

In addition, a guide roller 26 may further be provided at a position adjacent to the pressure roller 21 in addition to the pressure roller 21 to guide the wrapped cover 13 to be wound.

In addition, it is preferable that the cover cover 13 and the guide plate 18 are recessed in the automatic cover frame 12.

The concave portion of the guide roller 26 and the automatic cover frame 12 as viewed from above can be easily wound or loosened on the rotary shaft 17 without releasing the lid 13 when the lid is covered or opened, And functions to facilitate opening and closing of the lid 13.

10; Dump truck 11; Loading
12; An automatic cover frame 13; cover
14; An electric motor 15; The first bevel gear
16; A second bevel gear 17; Rotating shaft
18; A guide plate 19; wire
20; Roller 21; Pressure roller
22; Switch 23; controller
24; A support rod 25; spring
26; Guide roller

Claims (3)

A loading box 11 mounted at the rear of the dump truck 10;
An automatic cover frame (12) for opening and closing the loading box;
A cover 13 made of a material that can be rolled to cover or open the upper front surface of the loading box;
An electric motor 14 that rotates when an electric signal is received, and a first bevel gear 15 is fitted to the rotating shaft;
The second bevel gear 16 is engaged with the first bevel gear 15 so that the first bevel gear 15 is rotated and receives the rotational force transmitted from the first bevel gear 15, A rotary shaft 17 fixed at one end;
A guide plate (18) fixed to the other end of the lid (13) and having a length corresponding to the thickness of the lid (13);
A wire 19 having one end wound around a concave groove around both ends of the rotary shaft 17 and the other end provided between rollers 20 provided on the rear side of the automatic cover frame 12;
A pressure roller (21) for pressing the cover (13) from top to bottom so as not to be loosened when the cover (13) is wound on the rotating shaft (17);
A switch (22) for supplying power to the controller (23) for controlling the electric motor (14) and the electric motor (14);
A support rod 24 installed at the upper end of the inside of the electric motor case 141;
And a spring (25) provided between the support rod (24) and both ends of the rotation shaft (17) to provide an elastic force;
The wire 19 is fixed to the guide plate 18 so that when the electric motor 14 is rotated forwardly, the lid 13 is pulled in the normal rotation direction and the first bevel gear 15 and the 2 bevel gear 16 transmits the rotating force to the rotating shaft 17 and the rotating shaft 17 is rotated so that the lid 13 is wound around the rotating shaft 17 and wound around the rotating shaft 17. In this process, (13) while pressing the pressing roller (21) in the direction of the rotating shaft (17) so that the pressing roller (21) is wound tightly on the rotating shaft (17)
When the electric motor 14 is reversely rotated, the cover 13 is pushed in the reverse rotation direction and the cover 13 is rotated around the rotation axis 17 while the rotation shaft 17 is reversely rotated, Wherein the pressure roller (21) presses the lid (13) in the direction of the rotary shaft (17) so that the lid (13) is loosened with the rotary shaft (17) Auto cover.
The method according to claim 1,
Further comprising a guide roller (26) in addition to the pressure roller (21) at a position adjacent to the pressure roller (21). The method according to any one of claims 1 to 3,
Wherein the cover (13) and the guide plate (18) are recessed in the automatic cover frame (12).




KR1020180013396A 2018-02-02 2018-02-02 Automatic cover of dump truck KR101854101B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020180013396A KR101854101B1 (en) 2018-02-02 2018-02-02 Automatic cover of dump truck

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020180013396A KR101854101B1 (en) 2018-02-02 2018-02-02 Automatic cover of dump truck

Publications (1)

Publication Number Publication Date
KR101854101B1 true KR101854101B1 (en) 2018-06-08

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Application Number Title Priority Date Filing Date
KR1020180013396A KR101854101B1 (en) 2018-02-02 2018-02-02 Automatic cover of dump truck

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190142871A (en) 2018-06-19 2019-12-30 김성춘 Truck's roller-type loader cover
KR102245279B1 (en) 2020-09-21 2021-04-27 장종기 Opening and closing apparatus of freight cover of cargo truck

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200333447Y1 (en) 2003-08-14 2003-11-15 황성운 Auto Cover Equipment for Loading Box of Dump Truck
KR101602823B1 (en) * 2014-11-20 2016-03-14 진주산업(주) Covering Apparatus of Arm-roll Truck Container

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200333447Y1 (en) 2003-08-14 2003-11-15 황성운 Auto Cover Equipment for Loading Box of Dump Truck
KR101602823B1 (en) * 2014-11-20 2016-03-14 진주산업(주) Covering Apparatus of Arm-roll Truck Container

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190142871A (en) 2018-06-19 2019-12-30 김성춘 Truck's roller-type loader cover
KR102245279B1 (en) 2020-09-21 2021-04-27 장종기 Opening and closing apparatus of freight cover of cargo truck

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