KR102364238B1 - Climbing equipment for loading and unloading - Google Patents

Abstract

The present invention relates to a climbing platform for loading and unloading that is disposed at an angle between the ground and a loading box to secure a sloped loading and unloading path for a vehicle that requires loading and unloading to promote safe loading and unloading of the vehicle,
In the present invention, it includes a climbing platform body disposed at an angle between the loading box of the transport vehicle and the ground to provide a movement path for the vehicle up and down, and a shoulder head part formed on the upper end of the climbing platform body to attach and fix the upper end of the climbing platform body to the loading box. is composed by
The shoulder attachment head portion includes a head base formed on the upper end of the climbing table body; It is disposed on the head base and configured to include one or more variable shoulder attachment units that are attached to the loading box,
The variable shoulder attachment unit is installed in a hinge structure on the head base and is characterized in that it includes a pivoting shoulder attachment lever configured to set whether or not the locking piece protrudes downward by isometric rotation around the hinge.

Description

Climbing equipment for loading and unloading

The present invention relates to a climbing platform for loading and unloading, and more particularly, to a climbing platform for loading and unloading that is disposed at an angle between the ground and a loading box to secure an inclined loading and unloading path for a vehicle requiring loading and unloading to promote safe loading and unloading of the vehicle will be.

In general, when loading and unloading tractors, combine, lifters, etc. used in farmhouses, open the gate formed at the rear of the loading box, and place a climbing platform for loading and unloading between the gate of the opened loading box and the ground at an angle, A tractor or heavy equipment is moved along the slope of the climbing platform to lift and load the vehicle.

The climbing platform for upper and lower loading is generally configured to include a climbing platform body made of a flat structure made of aluminum, and is symmetrically disposed on both left and right sides of the loading box to secure the loading and unloading path of the vehicle requiring vertical loading and unloading.

The climbing platform for up and down movement performing this function includes a climbing platform body, a shoulder head part formed on the upper end of the climbing table body and attaching the upper end of the climbing table body to the gate of the loading box, and formed at the lower end of the climbing table body and on the ground It includes a supported support.

Here, the shoulder head part is usually composed of a "┏"-shaped locking piece fixed to the upper and lower surface of the climber body through welding, etc., and is shoulder-attached between the loading box and the door through the "┏"-shaped locking piece. It prevents the phenomenon of deviation from the top of the

However, in the conventional shoulder head part, the "┏"-shaped locking piece is fixed to the upper bottom surface of the climber body by welding.

Therefore, the “┏”-shaped hanging piece of the shoulder head part, which always protrudes, is bent and deformed due to external interference during the transport or storage process, or the fatigue is increased due to repeated interference, so that it is separated from the body of the climbing platform. can be caused

In addition, it may cause physical damage to an opponent that interferes with the always protruding shoulder head part, and also may cause safety accidents such as being injured by the shoulder attachment head part.

Registered Utility Model Publication No. 20-0355124 Registered Utility Model Publication No. 20-0469182

An object of the present invention, devised to solve the above problems, is to form an up-and-down path for various vehicles such as tractors, coaters, and earthers that are inclined between a loading box gate of a transport vehicle and the ground and require up/down loading and unloading. In doing so, it is to provide a climbing platform for loading and unloading that can prevent damage to the shoulder head unit itself during movement or storage by improving the shoulder head unit that is attached to the loading box, and thus prevent safety accidents.

The above object is achieved by the following configuration provided in the present invention.

The climbing platform for loading and unloading according to the present invention,

It is disposed at an angle between the loading box of the carrier and the ground to provide a movement path for the vehicle up and down, and it is formed on the upper end of the climbing platform body and is configured to include a shoulder head part for attaching and fixing the upper end of the climber body to the loading box. ,

The shoulder attachment head portion includes a head base formed on the upper end of the climbing table body; It is disposed on the head base and configured to include one or more variable shoulder attachment units attached to the loading box,

The variable shoulder attachment unit is installed in a hinge structure on the head base and is configured to include a pivoting shoulder attachment lever configured to set whether the locking piece protrudes downward by isometric rotation around the hinge.

Preferably, a storage support pocket for accommodating a pivoting shoulder attachment lever is formed on the bottom surface of the head base, and the pivoting shoulder attachment lever is disposed in a hinge structure through a hinge in the storage support pocket,

When the pivoting shoulder lever is isometrically rotated in the reverse direction around the hinge, the hooking piece protrudes uprightly downward on the bottom of the head base, and when it is laid down by isometrically rotated in the reverse direction around the hinge, the locking piece is accommodated in the storage support pocket. configured to protrude.

More preferably, an elastic restraint structure for elastically constraining the isometrically rotated pivoting shoulder lever to prevent arbitrary rotation of the pivoting shoulder lever is formed in the receiving support pocket in which the pivoting shoulder attachment lever is installed in a hinge structure.

And, the elastic restraint structure is disposed in the storage support pocket, and externally contact the shoulder attachment lever unit that is rotated at an isometric angle around a hinge in the storage support pocket, and includes an elastic support band for elastically engaging the isometric rotation shoulder attachment lever to constrain it. is composed by

In addition, the elastic restraint structure is configured to include a compression spring for elastically pressing the rotation shoulder lever installed in the hinge structure in the storage support pocket to one side, and the rotation shoulder attachment lever that is isometrically rotated by the elastic force of the compression spring is the storage support pocket. It is elastically in close contact with the inner wall of one side, so that rotation is elastically constrained.

In addition, a restraining groove is further formed on one side of the storage support pocket to shoulder and support the pivoting shoulder lever that is equiangularly rotated in the forward direction around the hinge in a stepped structure,

The pivot shoulder lever, which is rotated at an isometric angle in the forward direction around the hinge to raise the locking piece, moves to one side along the hinge by the elastic force of the compression spring and enters the restraining groove at one end to be constrained in an upright state. .

As described above, in the climbing platform for loading and unloading according to the present invention, a shoulder attachment head portion having a variable shoulder attachment unit for changing the downward protrusion state of the shoulder attachment piece through isometric rotation is disposed.

Therefore, when the shoulder head part performs the operation of lifting and lowering the vehicle, the locking piece of the pivoting shoulder lever stands up to the lower side and protrudes, and it is stably fixed to the loading box, and the pivoting shoulder lever is caught during transport or storage By configuring so that the piece does not protrude from the outside of the climbing platform for loading and unloading, it is possible to prevent safety accidents, such as deformation and damage of the locking piece by external interference, or injury by the protruding hooking piece as the conventional locking piece always protrudes. .

In particular, in the present invention, by providing an elastic constraint structure for fixing the isometrically rotated pivoting shoulder lever to be standardized, the pivoting shoulder lever that attaches the locking piece to the loading box rotates arbitrarily, resulting in poor shoulder attachment with the loading box, or transport or It is possible to prevent a phenomenon in which the locking piece protrudes to the outside due to the rotation of the rotating shoulder lever during the storage process.

1 is a view showing the overall configuration of a climbing platform for loading and unloading proposed as a preferred embodiment in the present invention,
Figure 2 is an exploded perspective view of the shoulder head part in the climbing platform for loading and unloading proposed as a preferred embodiment in the present invention;
3 to 6 show in detail the working state of the shoulder head part in the climbing platform for loading and unloading proposed as a preferred embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, a climbing platform for loading and unloading proposed as a preferred embodiment of the present invention will be described in detail.

Figure 1 shows the overall configuration of the climbing platform for loading and unloading proposed as a preferred embodiment in the present invention, Figure 2 is an exploded perspective view of the shoulder head part in the climbing platform for loading and unloading proposed as a preferred embodiment in the present invention, Fig. 3 to 6 show in detail the working state of the shoulder head part in the climbing platform for loading and unloading proposed as a preferred embodiment in the present invention.

The climbing platform 1 for loading and unloading, which is proposed as a preferred embodiment in the present invention, is disposed obliquely between the loading box of the transport vehicle and the ground to temporarily form a sloped up/down path between the loading box and the ground, so that agricultural machinery or heavy equipment, etc. It is a kind of dedicated device that allows loading and unloading vehicles to be safely loaded and unloaded into the loading box.

As shown in FIG. 1 , the climbing platform 1 for loading and unloading includes a climbing platform body 10 disposed at an angle between the loading box of the transport vehicle and the ground to provide a movement path for the loading and unloading vehicle.

The climber body 10 is made of a metal material such as an aluminum alloy to ensure the convenience of transportation and installation, and the up-and-down vehicle moves from the loading box to the ground along the inclined up-and-down path formed by the climber body 10, Alternatively, it is moved from the ground to the loading box and loaded and unloaded.

In addition, a plurality of climbing bars 11 are arranged at equal intervals on the climbing platform body 10 , and the up-and-down vehicle moving along the up-and-down route formed by the climbing platform body 10 slides through the climbing bar 11 . This prevents deviations from the path.

In addition, a shoulder head part 20 fixed to the loading box is formed at the upper end of the climbing table body 10 , and a support part 30 supported on the ground is formed at the lower end of the climbing table body 10 .

Therefore, the climbing platform body 10 disposed at an angle between the loading box and the ground is fixed with the loading box through the shoulder head unit 20 and stably supported with the ground through the support unit 30, so that the upper and lower levels of the vehicle Make sure not to deviate from the original position during the reverse process.

In particular, in the present invention, as shown in FIGS. 2 to 6, the shoulder head part 20 is formed at the upper end of the climbing table body 10 and attaches to the gate of the loading box, and the conventional " It solves all the problems caused by forming the ┏"-shaped locking piece to always protrude from the upper and lower surface of the climbing platform body 10, and this is the technical gist of the present invention.

The shoulder attachment head 20 proposed in the present invention includes a head base 21 formed at the upper end of the climbing table body 10 .

The head base 21 is manufactured by a die-casting molding or extrusion molding of an aluminum alloy material, and is fixed to the upper end of the climbing body 10 through welding or bolting, and in this embodiment, the extruded head base described later. It is proposed as a more preferred embodiment that the storage support pockets (22a, 23a) are cut and formed.

In this embodiment, two or more variable shoulder attachment units 22 and 23 are spaced apart from each other on the shoulder attachment head 20, and the variable shoulder attachment of any one of the variable shoulder attachment units 22 and 23 according to the standard or structure of the loading box is provided. The units 22 and 23 are attached to the loading box or both of the variable shoulder attachment units 22 and 23 are attached to the loading box and fixed.

The variable shoulder attachment units 22 and 23 proposed in the present invention are installed in a hinge structure on the head base 21 as shown in FIGS. 2 to 6 and are caught through isometric rotation around the hinges 22d and 23d. and pivot shoulder levers 22b and 23b for changing the downward protrusion state of the pieces 22b-a and 23b-a.

In this embodiment, the receiving support pockets 22a and 23a with an open bottom are recessed into the head base 21, and the hinges 22d and 23d are rotated through the hinges 22d and 23d in the respective storage support pockets 22a, 23a. By arranging the levers 22b and 23b in a hinge structure, a storage space for the pivot shoulder levers 22b and 23b is secured.

Accordingly, the pivoting shoulder levers 22b and 23b constituting the variable shoulder attachment units 22 and 23 are rotated at a set angle by isometrically rotated in the reverse direction around the hinges 22d and 23d as shown in FIGS. 3A and 4 . When it is, the engaging piece (22b-a) standing on the upper bottom surface of the climbing platform body (10) protrudes downward.

On the contrary, as shown in FIGS. 3b and 5, when the pivoting shoulder attachment levers 22b and 23b are laid down by isometric rotation about the hinges 22d and 23d in the reverse direction, the locking piece 22b of the pivoting shoulder attachment levers 22b and 23b -a) is accommodated in the storage support pockets (22a, 23a) and is concealed.

Thus, as shown in FIGS. 3A and 4 , the shoulder attachment head 20 is disposed at an angle between the loading box and the ground to perform vertical loading and unloading of the vehicle. The pieces 22b-a and 23b-a stand up and protrude downward, and are stably attached to the loading box through the hooking pieces 22b-a and 23b-a which stand up and protrude downward.

And, during transport or storage, as shown in FIGS. 3b and 5, the locking pieces 22b-a, 23b-a of the pivoting shoulder levers 22b, 23b do not protrude to the outside of the climbing platform 1 for loading and unloading. By configuring, the general problems caused by the constant protrusion of the engaging pieces 22b-a and 23b-a of the protruding pivoting shoulder levers 22b and 23b can be solved.

Preferably, as shown in FIGS. 2 and 4 , a plurality of rotation angle restraint holes 22e are formed in a radial structure on the side wall of the storage support pocket 22a with the hinge 22d as the center, and the rotation angle restraint hole (22e) Rotation to physically support the rotation shoulder lever 22b protruding downward to the locking piece 22b-a by rotating at an angle to at least one of (22e) to physically limit the rotation angle of the rotation shoulder attachment lever 22b By inserting the respective setting pins 22f, the setting of the rotation angle of the rotation shoulder lever 22b and arbitrary rotation of the standing rotation shoulder lever 22b are prevented.

With this configuration, the operator changes the rotation angle constraint hole 22e into which the rotation angle setting pins 22f, 23f are inserted according to the structure or standard of the loading box, so that the standing angle adjustment of the rotation shoulder levers 22b and 23b is possible.

In addition, in the present invention, the pivoting shoulder levers 22b and 23b of the shoulder attachment head 20 are rotated at an isometric angle around the hinges 22d and 23d to determine the protruding state of the engaging pieces 22b-a, 23b-a. In implementing the variable shoulder attachment units 22 and 23 that are set variably, an elastic fixing structure for fixing the isometrically rotated rotation shoulder attachment levers 22b and 23b to each of the shoulder attachment head units 22 and 23 to be standardized is proposed and By providing, the phenomenon that the rotation shoulder levers 22b, 23b rotates arbitrarily is suppressed.

First, in the first embodiment of the present invention, as shown in Figs. 4 and 5, in the storage support pocket 22a of the shoulder attachment lever unit 22, the shoulder attachment lever unit 22b rotates isometrically, and the rotation shoulder attachment is isometrically rotated. An elastic support band 22c for elastically engaging and restraining the lever 22b is disposed.

Here, the elastic support band (22c) is composed of a leaf spring, and the rotation shoulder levers (22b, 23b) are formed with external interference ends (22b-b) elastically in contact with the elastic support band (22c) c.

Accordingly, the rotation shoulder lever 22b that has been equiangularly rotated about the hinge 22d is elastically supported through the external interference ends 22b-b, so that the isometric rotation state is elastically constrained.

That is, the pivoting shoulder lever 22b which is rotated at an isometric angle around the hinge 22b to stand up and protrude downward, or lay down to accommodate the locking piece 22b-a in the storage support pocket 22a. ) is prevented from arbitrarily rotating around the hinge 22d by vibration, impact, or the center of gravity, and as a result, the rotating shoulder lever 22b arbitrarily rotates during the transport or storage process to cause the locking piece 22b-a) This downward protrusion can be prevented.

And, in the second embodiment of the present invention, as shown in FIGS. 3A and 6B , the pivoting shoulder attachment lever 23b that is equiangularly rotated in the forward direction around the hinge 23d on one side of the storage support pocket 23a is a step structure. By forming a restraining groove 23a-a for shoulder support with to be bound by state.

At this time, a compression spring 23c for elastically pressing the pivoting shoulder lever 23b to one side is disposed, and the pivoting shoulder lever is rotated at an equal angle in the forward direction around the hinge 23d to stand up the locking piece 23b-a. (23b) is moved to one side along the hinge (23d) by the elastic force of the compression spring (23c) as shown in FIGS. 3b and 6b, so that one end enters the restraint groove (23a-a) and is restrained in an upright state. do.

Then, the operator moves the rotation shoulder attachment lever 23b in the other direction, and then rotates the rotation shoulder attachment lever 23b in the reverse direction isometrically around the hinge 23d to the storage support pocket 23a, and the rotation shoulder attachment lever 23b ), the rotation shoulder lever 23b moves to one side of the receiving support pocket 23a by the restoring force of the compression spring 23c and elastically, as shown in FIGS. 3b and 6a. Because it is closely attached, the phenomenon of arbitrary rotation by the friction action by the elastic support is prevented.

Therefore, the climbing platform 1 for loading and unloading according to the present invention is stably maintained in an isometrically rotated state by the elastic restraint structure formed on the pivoting shoulder levers 22b and 23b, and as a result, the pivoting shoulder lever that attaches the hooking piece to the loading box It has the peculiarity of stably preventing the condition of the shoulder attachment with the loading box from being randomly rotated, or the locking piece from protruding to the outside due to the random rotation of the pivoting shoulder lever during the transport or storage process.

1. Climbing platform for loading and unloading
10. Base body 11. Climbing bar
20. Shoulder head 21. Head base
22. Variable shoulder attachment unit 22a. storage support pocket
22b. Rotating shoulder lever 22b-a. jam
22b-a. extraneous interference group 22c. elastic support band
22d. hinge 22e. rotation angle constraint ball
22f. rotation angle restraint pin
23. Variable shoulder attachment unit 23a. storage support pocket
23a-a. Restraint groove 23b. Rotating shoulder lever
23b-a. snag 23c. compression spring
23d. hinge
30. Support

Claims (5)

It is disposed at an angle between the loading box of the carrier and the ground to provide a movement path for the vehicle up and down, and a shoulder head part formed on the upper end of the climbing platform body to attach and fix the upper end of the climber body to the loading box. ,
The shoulder attachment head portion includes a head base formed on the upper end of the climbing table body; It is configured to include one or more variable shoulder attachment units disposed on the head base and attached to the loading box, wherein the variable shoulder attachment unit is installed in a hinge structure on the head base and rotates at an isometric angle around the hinge to determine whether the hooking piece protrudes downward. It is configured to include a rotation shoulder attachment lever to set, and a storage support pocket for accommodating the rotation shoulder attachment lever is formed on the bottom surface of the head base, and the rotation shoulder attachment lever is disposed in a hinge structure through a hinge in the storage support pocket, so that the rotation When the shoulder lever is isometrically rotated in the reverse direction around the hinge, the locking piece is protruded downward to stand on the bottom of the head base, and when it is rotated at an isometric angle in the reverse direction around the hinge and is laid down, the locking piece is accommodated in the storage support pocket and non-protruded. , An elastic restraint structure is formed in the storage support pocket in which the rotation shoulder attachment lever is installed in a hinge structure, elastically constraining the isometrically rotated rotation shoulder attachment lever to prevent arbitrary rotation of the rotation shoulder attachment lever,
The elastic restraint structure includes an elastic support band disposed in the storage support pocket and in external contact with the shoulder attachment lever unit that is equidistantly rotated about a hinge in the storage support pocket, and elastically engages the isometrically rotated shoulder attachment lever to constrain it. A climbing platform for loading and unloading, characterized in that it is configured. delete delete delete It is disposed at an angle between the loading box of the carrier and the ground to provide a movement path for the vehicle up and down, and a shoulder head part formed on the upper end of the climbing platform body to attach and fix the upper end of the climber body to the loading box. ,
The shoulder attachment head portion includes a head base formed on the upper end of the climbing table body; It is configured to include one or more variable shoulder attachment units disposed on the head base and attached to the loading box, wherein the variable shoulder attachment unit is installed in a hinge structure on the head base and rotates at an isometric angle around the hinge to determine whether the hooking piece protrudes downward. It is configured to include a rotation shoulder attachment lever to set, and a storage support pocket for accommodating the rotation shoulder attachment lever is formed on the bottom surface of the head base, and the rotation shoulder attachment lever is disposed in a hinge structure through a hinge in the storage support pocket, so that the rotation When the shoulder lever is isometrically rotated in the reverse direction around the hinge, the locking piece is projected downward to stand up on the bottom surface of the head base, and when it is rotated at an isometric angle in the reverse direction around the hinge and is laid down, the locking piece is accommodated in the storage support pocket and non-protruded. , An elastic restraint structure is formed in the storage support pocket in which the pivoting shoulder lever is installed in a hinge structure, elastically restraining the isometrically rotated pivoting shoulder lever to prevent arbitrary rotation of the pivoting shoulder lever,
The elastic restraint structure is configured to include a compression spring that elastically presses the rotation shoulder lever installed in the hinge structure in the storage support pocket to one side, and the rotation shoulder attachment lever that is isometrically rotated by the elastic force of the compression spring is the storage support pocket. A climbing platform for loading and unloading, characterized in that it is elastically in close contact with the inner wall of one side so that rotation is constrained.

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