KR100527178B1 - Open-close structure of wing body structure for special purpose vehicle - Google Patents

Abstract

The present invention relates to an opening and closing structure of the wing-shaped structure of the long-term storage box, and more particularly, to reduce the weight of the wing that opens and closes the long-term loading box of the long-term storage vehicle having a structure that can be easily opened and closed in a narrow space. It relates to the opening and closing structure of the wing structure.

Accordingly, the present invention is composed of a basic structure consisting of a front wall and a rear wall that is fixedly installed upright in the bottom of the loading compartment of the vehicle and a support structure forming a skeleton by fixing both ends at the upper end of the front and rear walls across the longitudinal direction of the vehicle. In the special vehicle is configured to open and close the loading box while rotating the blades up and down by the hydraulic cylinder to the wings on both sides of the support, opening and closing the loading space divided into a fixed blade (17 ') and a split blade (17 ") Wings 17, which can be folded and integrated through a plurality of folding apparatuses 23, can be folded up and down, and a support mechanism 24 having a roller 20 mounted on the lower end of the split blade 17 "is fixed. And the rollers 20 mounted on the support mechanism 24 interlocked with the front and rear wall surfaces 13 and 14 to form the structure of the loading box as a whole, when the wing 17 is moved up and down. A support structure (25) for supporting guide rails (24) and (24 ') to be guided; and guide rails (24) and 24' installed on one surface of the support structure (25) to guide the roller (20) safely. Located at the lower end of the guide rails 24 and 24 ', the limit for transmitting the opening and closing state of the blade 17 through a signal system generated when the roller 20 and the contact point (CP) is in contact Switch (LS); characterized in that consisting of.

Description

OPEN-CLOSE STRUCTURE OF WING BODY STRUCTURE FOR SPECIAL PURPOSE VEHICLE}

The present invention relates to an opening and closing structure of the wing-shaped structure of the long-term storage box, and more particularly, to reduce the weight of the wing that opens and closes the long-term loading box of the long-term storage vehicle having a structure that can be easily opened and closed in a narrow space. It relates to the opening and closing structure of the wing structure.

In general, in a vehicle that is designed to load cargo, a specially designed storage box in which the loading portion of the cargo is formed in the form of a box is attached and used. A cargo vehicle having such a special loading box is usually a special-purpose vehicle. It has a form and is called a box car or a top car (hereinafter referred to as a "special vehicle" in the present invention).

These special vehicles can be used as a refrigeration and refrigerating vehicle equipped with a refrigeration or refrigeration facility in a sealed manner to load refrigerated or refrigerated products, or as a van for simply loading and transporting cargo without such additional facilities, or an event event vehicle for various events. It is used and has a suitable opening and closing structure.

Normally, a special vehicle has a door for loading or unloading a cargo into a storage box having a separate space. The door is mainly installed at the rear of the special vehicle, and in some cases, the door is opened or closed on one side or both sides. The doors can be opened and closed on both the rear and the rear.

As described above, the door of a special vehicle for lowering cargo has a large cost in the case of a refrigerating car or a refrigerated vehicle, and it requires a lot of cost to equip the switchgear. Also, the loading capacity of the cargo can vary greatly depending on the position of the door. It also greatly affects the workability of workers. For this reason, the structure has been changed from the way of opening the back door in the past to open and close only one side of the side of the side of the side of the cargo ship where the cargo is mainly lowered. A special vehicle with a wing box with a wing structure was developed to open and close the wing as if it were open and folded.

1 is a perspective view illustrating a special vehicle in a state where a conventional wing-shaped structure is installed and opened, and a loading box 2 of the vehicle 1 has two wing-shaped structures for lowering cargo. 3) is opened and closed while moving up and down, and the rear door (4) is installed separately at the back side. However, the special vehicle (1) has a problem that the manufacturing process is complicated, it is difficult to carry a large wing-shaped structure, and a long production time and a high production cost, so to solve this problem, the Republic of Korea Utility Model Registration No. The wing-like structure of 238599's long vehicle stacker provides a more advanced wing structure of the long-term vehicle stacker, which can be manufactured at a low cost in a short time by a simple process by connecting a plurality of basic structures, inter-connected structures, and attached structures. .

However, in order to solve the technical problem as described above, in the case of the wing-like structure which is more advanced or in the special vehicles according to the prior arts, the weight of the door is still not reduced, and the swing of the wing when the wing is opened and closed by the hydraulic cylinder There were many structural problems such as the overturning of the car and the deformation of the wing. Especially, the wing could be removed during actual hydration work in the logistics base, warehouse, narrow alley or narrow place with dock that specializes only in logistics work. It is a situation that has a problem that takes up a lot of work space by working straight out.

The present invention was created in order to solve the above problems, while both wings are safely driven up and down along the guide rails formed on the front and rear walls of the vehicle when opening and closing both wings using the folding device or the like. The purpose of the present invention is to provide an open / close structure of a wing structure of a long vehicle loading box so as to minimize the space occupied by the long vehicle during the cargo lowering operation.

Another object of the present invention is to provide a safer cargo operation by having a signal system such as a limit switch so that the opening and closing of the wing of the vehicle can be confirmed from the driver's seat.

In order to achieve the above object, the opening and closing structure of the wing-shaped structure of the body storage box of the present invention has both end portions across the front and rear walls and the front and rear directions of the body and the vehicle, which are installed upright and fixed to the bottom of the loading space in the front and rear of the vehicle. In a special vehicle having a base structure consisting of a support fixed to the upper end of the front and rear wall, both sides of the support opening and closing the loading space for the cargo, the middle portion is provided with a folding device to be folded or unfolded at a certain position and the lower end The wing is installed fixed to the support mechanism having a roller for rolling motion is characterized in that both wings are configured to open and close the loading box along the guide rails installed on the front and rear walls while moving up and down by the hydraulic cylinder, respectively.

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

In the following description of the present invention, if it is determined that the detailed description of the related well-known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description will be avoided. Terms to be described later are terms defined in consideration of functions in the present invention, and may be changed according to intentions or customs of users or operators. Therefore, the definition should be made based on the contents throughout the specification.

In the accompanying drawings, Figure 1 shows a perspective view showing a cargo loading vehicle in a state in which the conventional wing-shaped structure is installed, Figure 2 is a perspective view showing the configuration of the open state of the vehicle according to the invention, Figure 3 Figure 2 is a front sectional view showing a cutting plane centering the loading box for Figure 2, Figure 4 is a detailed view showing the support structure for the roller and guide rail and the guide rail for the opening and closing of the wing of the present invention, Figure 5 is a wing closed In the case detailed view showing the state of the wing and the loading box and the guide rail, Figure 6 is a perspective view showing the configuration of the blade, Figure 7 is a cross-sectional view showing the AA section of Figure 6 in particular showing the configuration of the folded portion, Figure 8 Figure 9 is a detailed view showing the configuration of the wing end in relation to Figure 9 is a perspective view showing another embodiment of the present invention for the case without a side wall of the van All.

First, the present invention will be described with reference to FIGS. 2 to 8. Prior to the description, in order to clarify the present invention, the front part of the vehicle is referred to as the front side, and when the front part is seen from the rear of the vehicle, the left side will be left and the bottom side will be lower. The rest is the opposite of the above.

In Figure 2, the opening and closing structure of the wing-shaped structure of the body storage box of the present invention is the front wall 13 and the rear wall 14 is fixed to the base structure to be installed upright on the bottom surface 12 of the car to form a loading space (S) And equipped with a loading box 16, both ends across the front and rear direction of the special vehicle, both ends are fixed to the upper end of the front and rear walls (13, 14), a special vehicle for loading and transporting cargo consisting of the support (15) forming a skeleton (10) In opening and closing the loading space (S) of the), support frames 25 and 25 'having guide rails 24 and 24' are fixed to both ends of the front wall 13 and the rear wall 14. Is installed and fixed to the left and right sides of the support (15) corresponding to the door 17 for opening and closing the loading space (S), the wing 17 is the guide rail 24 by the hydraulic cylinder (18), respectively It has a configuration to open and close the loading space (S) while operating up and down along the 24 '.

In the above wing 17 is a fixed blade 17 'and split wings 17 "that can be separated and combined with an iron plate or the same material as shown in Figures 6 and 7 and the folding device 23 for coupling them And a waterproof plate 27 having a unique shape for preventing moisture from penetrating into the folded portion from the outside at the end portion of the fixed blade 17 'in the direction of the folded portion, and a portion of the waterproof plate 27 and the The outer surface of the wing 17 of the folding device 23 has a configuration in which a thin plate 37 of an iron plate, aluminum or the like material is coupled to the wing by a small screw or the like.

The fixed blade (17 ') is a base (a) shape, one end is fixed to the support 15 by a conventional method, the other end by the folding device 23 such as the split blade (17 ") and hinges, etc. In this case, the folding device 23 is equipped with 7 to 10 pieces at equal intervals according to the size of the vehicle, and 7 pieces for the 4.5 ton truck. The support mechanisms 19 and 19 'are coupled to each other by the fixed blade 17' and the folding device 23, and the rollers are fixed and rotated at the other end to be welded at a predetermined position on the wing surface in the loading space S direction. After fixing by the rollers 20, 20 'to the support mechanisms 19, 19' by fastening with a fastening nut (N), one roller drive mechanism is provided at each front and rear end of the wing. In addition, the lower end of the split wing (17 ") in contact with the upper portion of the special vehicle loading box 16 is held so that the wing (17) does not move when closing the wing 17 for sealing of the loading space (S) after the lowering of cargo A plurality of wing fixing rods 31 having a giving function are fixed at regular intervals and heights by welding, etc. The wing fixing rods 31 are positioned at positions corresponding to the wing fixing rods 31 at the upper portion of the loading box 16. A hole 32 is formed to allow this to be inserted.

As shown in FIG. 7, when the wing 17 is lowered to seal the loading space S after completion of the cargo operation, the outside of the wing surrounds the outside of the front and rear walls 13 and 14. The outer end portion K in the front-rear direction may be bent or treated separately by welding or the like.

When the waterproof plate 27 is coupled to the fixed blade 17 'and the split blade 17 "by the coupling device 23, the coupling portion is expected to penetrate moisture due to snow, rain, etc. from the outside. In order to prevent this, a waterproof plate 27 made of a lightweight, waterproof and corrosion-resistant material such as a thin steel plate or aluminum is attached to one end of the fixed blade 17 'in contact with the split wing 17 "such as adhesive or bis. It is fixed by using a small screw or the like and is fixed by pressing the waterproof rubber band (R) in the groove formed in the waterproof plate (27). The waterproof rubber band (R) is made of a material of a similar characteristic such as rubber and serves to prevent the gap between the contact surface.

As shown in the detailed view of FIG. 7, the waterproof plate 27 is generally formed of a T-shaped band, and in the "T" shape, the center "I" portion and the fixed blade 17 ' It is placed between the split blades 17 ", and the left side of the" I "part is fixed to one end of the fixed blade 17 ', and the right side thereof is a rectangular space, the upper part of which forms a narrow groove, whereby the waterproof rubber (R) It has a structure of a shape that can be seated in a rectangular space, and in the "T" shape, the "-" part is in contact with the split blade 17 "about the center and the fixed blade 17 'on the left side. Bars are in contact with the fixed blade (17 ') has a width enough to enter a thin plate on the back side and one side is open and one side is made of a closed shape. Here, the opening portion actually corresponds to the outermost side of the storage box for the vehicle, and a thin plate 37 for inserting various advertisements or promotions is inserted into the outer surface while protecting the surface of the fixed blade 17 '. The thin plate 37 is an iron plate or a thin plate made of aluminum or the like and is fixed to the fixing blade 17 'by a small screw such as a bis. The structure for allowing the thin plate 37 to be inserted prevents moisture from penetrating from the outside, and the joint surface 29 of the inserted thin plate 37 and the opening portion may be blocked with silicon to prevent the penetration of moisture. have. As can be seen in Figure 7, the configuration of the waterproof plate 27 and the thin plate 37 is equally applied to the lower end of the split blade (17 ").

The guide rails 24 and 24 'and the support frames 25 and 25' for the guide rails are provided on one surface of the front wall 13 and the rear wall 14 toward the loading space as shown in FIG. The support frames 25 and 25 'installed inside the guide rails 24 and 24' for safely guiding the rollers 20 mounted on the blades 17 for opening and closing the loading space are fixedly fixed by welding or the like. do. Herein, the support frames 25 and 25 'are cut and bent in a steel plate or the like in a structure that can withstand the load sufficiently in consideration of the static and dynamic loads acting upon the up and down movement of the wing 17. It is formed in the shape and is fixed to each other in accordance with the left and right ends of the front wall 13 or the rear wall 14 by welding or the like to form a front and rear wall as a whole. The guide rails 24, 24 'is a steel plate It is produced by bending or by using a "C" shaped steel, roller 20, 20 'is inserted into the drive is produced in a structure that does not deviate and the "BB" of the support frame 25, 25' It is fixed to the surface by spot welding, etc. The upper end of the guide rails 24 and 24 'is installed to the position where the wing 17 can be erected as much as possible, and the lower end thereof is the bottom of the loading space S. It is installed up to a space enough to be in contact with the unit 12 or the limit switch LS to be described later.

5 is a detailed view showing a state in which the cargo operation is completed and the loading box 16 is closed by lowering the wing 17 to close the loading space S. When the wing 17 is lowered, the support fixedly installed at the lower end of the wing is shown. The roller 20 'mounted on the mechanism 19' is lowered along the guide rail 24 while being interlocked with the wing, and the lower end of the wing 17 is in contact with the upper end of the loading box 16 while fixing the wing at the lower part of the wing. The rod 31 is inserted into the hole 32 formed at the upper end of the loading box 16 and the wing 17 is closed while the lower end of the roller 20 'contacts the contact point CP of the limit switch LS. Is completed by signaling to the driver.

When explaining the operation of the present invention as described above, in the case of opening and closing the loading space (S) of the vehicle for the lowering of the cargo, the wing 17 is a hydraulic cylinder when opening the loading space (S) of the vehicle first The rollers 20 and 20 'installed at the ends of the blades 17 by 18 and 18' are guided safely along the guide rails 24 and 24 'installed on the front and rear wall surfaces 13 and 14. As it rises and reaches a certain height, the wing is bent by being folded by the folding device 23 mounted on the wing 17, thereby opening the cargo in a narrow space, and the cargo is finished again. In the case of closing S), the raised wing 17 is lowered along the guide rails 24 and 24 'by the hydraulic cylinders 18 and 18'. And a plurality of wings attached to the ends of the wings while the ends of the wings 17 are in contact with the upper portion of the loading box 16. The rod 31 is fitted into the hole 32 formed in the upper box 16 to fix the blade, and the rollers 20 and 20 'at the ends of the blade 17 are guide rails 24 ( The closing completion signal of the loading space S is transmitted to the driver while contacting the contact point CP of the limit switch LS installed at the bottom of the 24 'to notify the completion of the cargo operation.

9 is another embodiment of the present invention in which the wing 17 is opened and closed by touching the bottom portion 12 of the loading space (S) when there are no left and right loading boxes (16) of the loading space (S) according to the structure of the vehicle. As a perspective view showing that the wing fixing rod 31 at the end of the wing 17 shows that the hole is inserted into the hole 32 formed in the bottom portion 12 of the loading space (S) is fixed. At this time, the limit switch LS indicating the opening / closing state is installed at an appropriate height from the bottom portion 12 in accordance with the position of the roller 20 " and its supporting mechanism 19. In this case, the loading box 16 is not provided. The length of the wing is long as it corresponds to the height of the stacking box 16, and the height compensating device (F) for the height compensator is required because the wings 17 must be bent a lot when opening the loading space (S). (F) is a method such as welding the height compensation device (F) to the inner surface of the blade 17 while restraining the spring 33 and the spring 33 having a function of adjusting the height of the blade (17). Fixing member 34 and the lower portion has a roller (20 ") and the upper portion is composed of a support shaft 35 for supporting the whole while being inserted into the spring 33 through the fixing member 34.

As described above, the middle part of the wing is deflected while being safely driven through guide rails installed on the front and rear walls of the body when the wing is opened and closed for the operation of the body vehicle through the opening and closing structure of the wing-shaped structure of the body storage box according to the present invention. It is obvious that the invention has a very useful effect that can minimize the space occupied in the work.

Another effect of the present invention has a more logistical effect by closing the wing through the wing fixing rod formed on the lower wing so that the wing is fixed.

Another effect of the present invention is to make it possible to detach and combine the wing is easy to manufacture and assembly and has the effect of shortening the working time.

1 is a perspective view showing a cargo loading vehicle in a state in which a conventional wing-shaped structure is installed and opened;

Figure 2 is a perspective view showing the configuration of the open state of the vehicle according to the invention,

Figure 3 is a front sectional view showing a cutting plane centered on the loading box for Figure 2,

Figure 4 is a detailed view showing the support structure for the roller and the guide rail and the guide rail for opening and closing of the wing of the present invention,

Figure 5 is a detailed view showing the state of the wing and the loading box and the guide rail when the wing of the present invention is closed,

Figure 6 is a perspective view showing the configuration of the wing of the present invention,

FIG. 7 is a cross-sectional view illustrating a sectional view taken along line A-A of FIG. 6, and in particular, FIG.

Figure 8 is a detailed view showing the configuration of the loading compartment and the wing tip of the present invention,

Figure 9 is a perspective view showing the configuration of the open state of the vehicle for the case when there is no side wall of the cargo box as another embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

1,10 Special Vehicles 2,16 Stacks

3 wing structure 4 back door

12 Bottom 13 Front wall

14 rear wall 17 wing

18 Hydraulic cylinder 19 Support mechanism

20 rollers 23 folding device

24 Guide rail 25 Support frame

27 Waterproof Plate 37 Lamination

31 wing fixing rod 32 hole

33 Spring 34 Fixture

K outer part S loading space

LS limit switch F height compensator

Claims (4)

The front wall 13 and the rear wall 14, which are installed upright and fixedly installed at the bottom of the loading box 16 of the vehicle, and both ends across the front and rear directions of the vehicle, are fixed to the upper end of the front and rear wall to form a skeleton 15 In a special vehicle that is composed of a basic structure consisting of a) is configured to open and close the loading box while the blades on both sides of the support are rotated up and down by the hydraulic cylinder, respectively, Opening and closing the loading space (S) can be divided into a fixed blade (17 ') and a split blade (17 ") and can be folded through a plurality of folding devices (23) when folded up and down and the split blade (17) Wing 17 having fixed support mechanism 24 with roller 20 mounted on the lower end of " Guide rails 24 which are combined with the front and rear wall surfaces 13 and 14 to safely guide the rollers 20 mounted on the support mechanism 24 interlocked with each other when the wing 17 is moved up and down while forming a structure of the loading box as a whole. A support structure 25 for supporting 24 ', Guide rails 24 and 24 'installed on one surface of the support structure 25 to guide the roller 20 safely; Limit switch LS positioned at the lower end of the guide rails 24 and 24 ′ and transmitting an open / closed state of the blade 17 through a signal system generated when the roller 20 and the contact point CP are in contact with each other. ), A loading space is provided with a plurality of wing fixing rods 31 fixed to the ends of the blades 17 by welding or the like, and holes 32 formed in an upper portion of the loading box 16 at positions corresponding to the wing fixing rods 31. Opening structure of the wing-shaped structure of the body storage box, characterized in that for fixing the wing (17) when closed. delete delete The method of claim 1, Spring 33 having a function to adjust the height of the wing 17 when there is no loading box 16; And Fixing means 34 for fixing the inner surface of the wing 17 while restraining the spring 33; And A support shaft (35) having a roller (20 ") at a lower portion thereof and supporting the whole while being inserted into the spring (33) through the holder (34); Opening and closing structure of the wing-shaped structure of the body storage box, characterized in that having a height compensation device (F) characterized in that consisting of.