KR101970178B1 - Parallel Assembly Type Heavy Work Transfer Cart - Google Patents

Abstract

And provides a parallel assembled heavy object transport bogie.
The present invention relates to a wheel bracket comprising a plurality of wheel brackets arranged in parallel to each other and disposed inside a plurality of wheel brackets by a first horizontal axis having a predetermined length assembled through a first shaft hole formed on both side surfaces of the plurality of wheel brackets The plurality of wheel brackets are integrally assembled by a second horizontal shaft having a predetermined length assembled through a second shaft hole formed on the upper portion of the first shaft hole to be rotatable, A traveling section that travels by a wheel; A plurality of wheel brackets fixed to the upper surface of the wheel bracket and having a fixing plate fixed to the upper surface of the plurality of wheel brackets and rotatable about a rotation support member which is stacked via the fixing plate and the bearing portion and passes through the center of the bearing portion, And a stacking portion on which the heavy object is placed on the stacking plate with the stacking assembly being assembled.

Description

Parallel Assembly Type Heavy Work Transfer Cart}

The present invention relates to a bogie carrying and transporting a heavy object, more particularly, a unit member having a moving wheel is assembled in parallel to easily enlarge or reduce a loading surface in accordance with the volume and weight of a heavy object, It is easy to repair and maintain the bogies when components are broken due to rapid replacement and re-installation. Parallel assembling type heavy-goods conveyance truck which can easily perform the direction change during conveyance due to rotation of the weight mounted on the load surface .

Generally, at a factory or a workshop, a conveyance device such as a conveyance truck is used to safely transport heavy objects such as precision machines and machine parts to a storage place or a specific place.

In other words, such a transfer device is capable of conveniently transferring a heavy object to a desired position by the gravity by loading a heavy object having a weight which is difficult to move by the force of a human being on a bogie and moving by using the rotation of a wheel provided under the bogie.

(Patent Document 1) KR10-1421430 B1

(Patent Document 2) KR10-1622325 B1

Patent Document 1 discloses a structure in which a load carrying body composed of a bogie body, a traveling roller, a shaft coupling, a main gear and a driven gear, an idle gear, a rotating wrench, a weight support and a moving handle, And freely adjusts the altitude of the transportation car.

Patent Document 2 discloses a structure in which forward movement and rearward movement of a bogie are controlled by using a driving force of a motor provided in a main body portion composed of a mounting portion, a wheel frame portion, a body portion, a motor portion, a gear box, The operator can move the heavy object with a minimum of manpower.

However, since the conveyance trucks disclosed in Patent Documents 1 and 2 must have a power transmission structure for transmitting the power provided from a drive source such as a motor unit to the rollers or wheels, the overall assembling structure is complicated, Which caused the manufacturing cost to increase.

In addition, it is very troublesome to disassemble and repair a core part such as a wheel when it is damaged, excessive time is required for repairing and assembling, and work productivity is lowered due to a long downtime.

As the volume of the heavy object to be conveyed becomes large, it is difficult to expand or reduce the width of the load surface in a flexible manner according to the loading form of the heavy object by loading the heavy object. This is not smooth and inconvenient to use.

In addition, an initial load, which is a load object to be loaded on a loading surface, is directly transmitted to the wheel on the ground, thereby causing deformation of the wheel due to a load transmitted to the wheel when the heavy object is loaded, It was the main cause of lowering the life span.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to enlarge or reduce the area of a loading surface on which a heavy object is loaded in accordance with a heavy object having various volumes, Which can be easily disassembled and assembled, and capable of easily performing a direction change during conveyance by rotation of a heavy object mounted on a load surface.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not restrictive of the invention, unless further departing from the spirit and scope of the invention as defined by the appended claims. It will be possible.

In order to achieve the above object, a first preferred embodiment of the present invention includes a plurality of wheel brackets arranged in parallel to each other, and is assembled through a first shaft hole formed on both side surfaces of the plurality of wheel brackets A plurality of wheel brackets are rotatably supported on a first horizontal axis by a first horizontal axis and a second horizontal shaft which is assembled through a second axial hole formed in an upper portion of the first axial hole, A traveling section for assembling the plurality of wheel brackets integrally and traveling by a plurality of moving wheels contacting the ground; A plurality of wheel brackets fixed to the upper surface of the wheel bracket and having a fixing plate fixed to the upper surface of the plurality of wheel brackets and rotatable about a rotation support member which is stacked via the fixing plate and the bearing portion and passes through the center of the bearing portion, And a stacking portion for stacking the stacked sheets to be stacked on the stacking plate so that the stacked sheets are stacked on the stacking plate.

Preferably, the wheel bracket includes an upper plate connected to the fixed plate, a pair of left and right side plates bent downward from both ends of the upper plate and passing through the first shaft hole and the second shaft hole, The brackets may be arranged so that the side plates face each other.

According to a second preferred embodiment of the present invention, there is provided a wheel bracket comprising a pair of wheel brackets disposed in parallel to each other, and a first horizontal shaft having a predetermined length assembled through a first shaft hole formed on both side surfaces of the pair of wheel brackets A pair of wheel brackets rotatably supported within the pair of wheel brackets and rotatably supporting the pair of wheel brackets by a second horizontal shaft having a predetermined length assembled through a second shaft hole formed in an upper portion of the first shaft hole, A traveling section that travels by a plurality of moving wheels that come into contact with the ground; A pair of wheel brackets fixedly mounted on the upper surface of the pair of wheel brackets, the pair of wheel brackets being rotatable about a rotation support member which is stacked via the fixing plate and the bearing portion and passes through the center of the bearing portion, A stacking part for stacking the heavy objects on the stacking plate with the stacking assembly being assembled; And a center bracket disposed between the pair of wheel brackets and extending through a support hole for rotatably supporting the first horizontal shaft, and having a plurality of elastic bodies between the center bracket and the fixing plate, And a load absorbing portion for absorbing the load of the heavy object.

Preferably, the wheel bracket includes a top plate connected to the fixing plate, a pair of left and right side plates bent downward from both ends of the top plate and passing through the first shaft hole and the second shaft hole, And a pair of right and left central side walls formed to penetrate through a support hole bent downward from both ends of the central upper plate and corresponding to the first shaft hole to which a first horizontal axis is assembled, The central side wall is arranged to face the adjacent side wall between a pair of left and right wheel brackets.

More preferably, the pair of right and left central side walls may include a bearing member for rotatably supporting a first horizontal shaft passing through the support hole.

Preferably, the center bracket may include a support block in which the lower end of the elastic body is fitted.

Preferably, the first shaft hole may be formed as a vertical slot so that the first horizontal shaft can move up and down when the elastic body is contracted by a load generated when the heavy object is loaded on the loading part.

Preferably, the bearing portion includes a plurality of circular rings arranged on the upper surface of the fixed plate so as to form concentric circles having different radii, a plurality of bearing steel balls arranged in each of the circular arrangement grooves formed between the plurality of circular rings, And an intermediate support plate that is formed in the loading plate by passing through the circular opening so that the bearing steel balls, which are exposed while surrounding the outermost portions of the plurality of circular rings, come into contact with the lower surface of the lamination plate.

More preferably, the circular ring is a plurality of independent ring members detachably assembled by a fastening member so as to form a concentric circle on the upper surface of the fixing plate, or a plurality of integrally formed ring members protruding from the upper surface of the fixing plate .

Preferably, the loading portion includes a contact portion that is in contact with an end portion of the transportation power means when the heavy object is transported and receives an external force, and the contact portion may include a linear fixing block assembled by a plurality of fastening members on one side of the red- have.

According to the present invention as described above, since a plurality of wheel brackets assembled in parallel to the first and second horizontal axes can be easily disassembled and reassembled, the repair work can be easily and quickly performed in the event of breakage or replacement of component parts, And the work productivity of the worker can be improved while reducing the work load of the worker.

Further, by increasing or decreasing the number of wheel brackets assembled in parallel in the traveling part, the upper area of the traveling part in which the loading part is assembled can be increased or decreased. Therefore, the transportation vehicle can be operated flexibly in accordance with the volume of the heavy object And the satisfaction of the user can be increased.

In addition, since the loading part on which the loading object is mounted is rotated by the bearing part, the center of gravity of the moving vehicle moving to an arbitrary position by the moving part can be adjusted, so that the moving center of the moving wheel, The running direction of the truck can be switched in the direction of the curved line by the rotational movement of the loading section, and the ease of use can be improved.

Further, since the load of the weight mounted on the loading part can be absorbed by the elastic body interposed between the red plate and the fixing plate, it is possible to absorb the initial impact generated when the heavy object is loaded or the impact generated on the moving wheel It is possible to safely transport the heavy object to any place, and to reduce the wear and damage of the components, thereby extending the service life.

FIGS. 1A and 1B are overall perspective views showing a parallel assembled heavy object transfer bogie according to a first embodiment of the present invention.
2 is an exploded perspective view showing a parallel assembled heavy object conveyance truck according to a first embodiment of the present invention.
FIG. 3 is a cross-sectional view of a parallel-assembled heavy-goods conveyance truck according to a first embodiment of the present invention cut in a width direction.
FIG. 4 is a cross-sectional view of a parallel-assembled heavy-goods conveyance truck according to the first embodiment of the present invention, taken along the longitudinal direction.
5A and 5B are overall perspective views showing a parallel assembled heavy-goods conveyance truck according to a second embodiment of the present invention.
6 is an exploded perspective view showing a parallel assembled heavy object conveyance truck according to a second embodiment of the present invention.
7 is a perspective view showing a load-absorbing portion exposed in a parallel assembled heavy-goods conveyance truck according to a second embodiment of the present invention
8 is a cross-sectional view of a parallel assembled heavy object conveyance truck according to a second embodiment of the present invention cut in a width direction.
FIG. 9 is a cross-sectional view of a parallel-assembled heavy-goods conveyance truck according to a second embodiment of the present invention cut in the longitudinal direction.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, a detailed description of known functions and configurations incorporated herein will be omitted when it may obscure the subject matter of the present invention.

The same reference numerals are used for portions having similar functions and functions throughout the drawings.

In addition, in the entire specification, when a part is referred to as being 'connected' to another part, it may be referred to as 'indirectly connected' not only with 'directly connected' . Also, to include an element does not exclude other elements unless specifically stated otherwise, but may also include other elements.

As shown in FIGS. 1A to 4, the parallel assembled heavy object conveyance truck 100 according to the first embodiment of the present invention includes a traveling unit 110 for loading a heavy object to be conveyed and safely transporting the heavy object to an arbitrary place, And a loading unit 120. [0033]

The traveling unit 110 includes at least one moving wheel 115 in the longitudinal direction inside a substantially 'C' -shaped sectional-shaped wheel bracket opened to the bottom, and the wheel brackets 113 are arranged parallel to each other in the width direction And is moved and moved to an arbitrary place by a moving wheel 115 which is brought into contact with the ground.

The wheel bracket 113 includes a pair of left and right side plates 111 bent in a direction substantially perpendicular to the left and right ends of the upper plate 112, The adjoining plural wheel brackets 113 are arranged in parallel so as to be arranged in parallel so that the side plates 111 face each other.

The side plates 111, which are both side surfaces of the plurality of wheel brackets, are formed with a plurality of first shaft holes 111a through the first shaft holes 111a so as to correspond to the rotation centers of the moving wheels, And the first horizontal axis 116 rotatably supports the moving wheel 115 disposed inside the plurality of wheel brackets 113.

Further, a plurality of second shaft holes 111b may be formed at an upper portion of the wheel bracket that is relatively higher than the first shaft hole 111a formed through the side plates 111, which are both side surfaces of the wheel bracket, A plurality of wheel brackets 113 arranged in parallel in the width direction are integrally assembled by a second horizontal shaft 117 having a predetermined length assembled through a second shaft hole which coincides with each other in the horizontal direction.

At this time, both ends of the first and second horizontal shafts 116 and 117 are exposed through the side wall of the wheel bracket located at the both sides of the traveling part, and are fastened to the side wall by fixing fastening members 116a and 117a And assembled in the traveling part.

Accordingly, a plurality of moving wheels, which are brought into contact with the ground surface by a plurality of first horizontal shafts 116 assembled through the intermediate support holes 115a of the moving wheels 115 arranged on the plurality of wheel brackets, And a plurality of wheel brackets arranged in parallel by a plurality of second horizontal axes 117 passing through the plurality of wheel brackets in the width direction so as not to overlap with the moving wheel are firmly coupled so as to be held in a substantially rectangular parallelepiped integral structure You can.

When the moving wheel 115 or the wheel bracket 113, which is a core component of the traveling unit 110, is replaced or repaired, the fixing members for fastening fastened to both ends of the first and second horizontal shafts 116 and 117 116a, and 117b are separated from the wheel bracket by disassembling the first and second horizontal axes, the wheel bracket and the moving wheel, which are the unit members constituting the traveling portion, are easily disassembled to quickly perform repair and replacement operations. The reassembly operation can be performed easily.

In addition, by increasing or decreasing the number of wheel brackets arranged in parallel to constitute the traveling unit 110 and reassembling the first and second horizontal shafts according to the number of the wheel brackets to be installed, Since the load area on which the weight is lifted can be flexibly varied by increasing or decreasing the area of the upper portion, it is possible to flexibly perform the operation of transferring the heavy object having various volumes to the weight condition of the heavy object.

Accordingly, the traveling unit 110 can transport a heavy object, which is loaded on the loading unit, to an arbitrary place by a moving wheel that rotates in contact with the ground.

The loading unit 120 is mounted on an upper portion of a moving part that is moved to a certain place by a moving wheel, and a heavy object to be moved is lifted. The loading unit 120 is mounted on the upper surface of the plurality of wheel brackets 113 And a substantially rectangular plate-shaped fixing plate 121 fixed by a plurality of fastening members so as to cover the fixing plate 121 and the bearing portion 125. The fixing plate 121 and the bearing portion 125 are stacked to form a substantially rectangular plate- And may include an enemy court 126.

The redirecting plate 126 may be rotatably mounted around a rotation support member 126a through which the lower end of the redirecting plate 126 is fixed to the fixing plate 121 through the center of the bearing portion 125. [

2, the bearing portion 125 interposed between the fixed plate 121 and the redirecting plate 126 is disposed on the upper surface of the fixed plate 121 with the rotation support member 126a as a center A plurality of circular rings (122) arranged with different radii so as to form a concentric circle, a plurality of bearing steel balls (123) for each circular array groove formed between the plurality of circular rings (122) A circular opening 124a having a predetermined size is formed so as to contact the lower surface of the redirecting plate 126 while the bearing steel balls 123 exposed while being exposed to the outermost side of the round rings 122 are passed through the redirecting plate 126, And an intermediate support plate 124 assembled to the support plate 124.

Here, the circular ring 122 is shown as being composed of a plurality of independent ring members that are detachably assembled on the upper surface of the fixing plate 121 by a fastening member so as to form concentric circles having different radii, But may be formed as a plurality of integral ring members protruding from the upper surface of the fixing plate 121 in a ring shape.

In addition, the loading unit 120 includes a contact portion to which a foot end of a transportation power means such as a forklift (not shown in the drawings) is contacted to receive an external force, and the contact portion is provided at one side of the loading plate 126 And a linear fixing block 127 assembled by a plurality of fastening members 127a.

The left and right sides of the travel unit 110 are preferably provided with a handle 119 for easy handling by the operator.

Accordingly, the redirecting plate 126 is stacked on the upper surface of the fixing plate via the bearing portion 125 and rotatably assembled with the rotation supporting member 126a as a rotation center, The redirecting plate is rotated together with the weight with respect to the driving unit, and the moving direction of the driving unit can be adjusted while moving to the entire center of gravity.

As shown in FIGS. 5A to 9, the parallel assembled heavy object conveyance truck 100a according to the second embodiment of the present invention includes a traveling unit 110 for loading a heavy object to be conveyed and safely transporting the heavy object to an arbitrary place, A traveling part 110 having a plurality of moving wheels and a loading part 120 on which a heavy object is loaded and loaded are arranged in the same manner as the configuration disclosed in the first embodiment, including the loading part 120 and the load absorbing part 130, The same reference numerals are given to the same members of the bar, and a detailed description thereof will be omitted below.

The load absorbing part 130 is formed by passing through a support hole for rotatably supporting the first horizontal shaft 116 so as to absorb a load of a heavy object generated when a heavy object to be conveyed is picked up by the load of the loader And a center bracket 133 disposed between the pair of right and left wheel brackets 113 arranged in parallel in the traveling part and is disposed between the center bracket 133 and the redirecting plate 126, And a plurality of elastic members 135 contracted to have a predetermined length.

The center bracket 133 disposed between the pair of left and right wheel brackets 113 may be formed of a metal plate member bent in a substantially U-shaped cross-section like the wheel bracket, And a pair of left and right central side walls 131 bent downward from both ends of the central upper plate 132 are provided with a first shaft hole 111a formed through the side wall of the wheel bracket 113, ) Through which the first horizontal shaft 116 is assembled

Accordingly, the center bracket 133 is arranged in parallel to be assembled to the traveling part such that the adjacent side walls and the central side walls on the left and right sides of the pair of left and right wheel brackets 113 face each other.

The center bracket 133 includes a bearing member 131a for rotatably supporting a first horizontal shaft 116 disposed to extend through the support hole at both left and right central side walls 131 The present invention is not limited to this and other moving wheels having an outer diameter relatively smaller than the outer diameter of the moving wheel provided on the wheel bracket may be rotatably assembled on the first horizontal axis.

The center bracket 133 may include a substantially circular support block 134 which is disposed at a lower end of the elastic body 135 to be elastically deformed when the heavy object is loaded and fixes the elastic body 135 to maintain the vertical state of the elastic body .

Although the elastic body 135 is illustrated as being formed of a coil-like elastic spring body, the elastic body 135 is not limited to the coil spring. The elastic body 135 may be disposed between the fixed plate 121 and the redirecting plate 126 to absorb various loads Type elastic body may be selectively applied.

The support block 134 may be formed of a substantially disc-shaped metal plate that is sandwiched by a fastening member for fastening the lower end of the center bracket 133 to the center top plate 132 and stacked in multiple layers.

The first shaft hole 111c formed in a pair of left and right wheel brackets disposed in parallel on both left and right sides of the center bracket 133 serves to constrain the shrinkage of the elastic body And may be formed as a vertical hole so as to allow the vertical movement of the first horizontal axis.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventions. It will be apparent to those of ordinary skill in the art.

110:
111: side plate
111a: 1st shaft
111b and 111c:
112: top plate
113: Wheel bracket
115: Moving Wheel
120:
121: Fixing plate
122: Circular ring
123: Bearing steel ball
124: intermediate support plate
125:
126: The enemy trial
130: load absorbing portion
131: central side wall
132: central top plate
133: Center bracket
134: support block
135: elastomer

Claims (10)

delete delete And a pair of wheel brackets disposed in parallel to each other and arranged in the pair of wheel brackets by a first horizontal axis having a predetermined length assembled through a first shaft hole formed on both sides of the pair of wheel brackets, A pair of wheel brackets integrally assembled by a second horizontal shaft having a predetermined length assembled through a second shaft hole penetratingly formed on the upper portion of the first shaft hole, A running section for traveling;
A pair of wheel brackets fixedly mounted on the upper surface of the pair of wheel brackets, the pair of wheel brackets being rotatable about a rotation support member which is stacked via the fixing plate and the bearing portion and passes through the center of the bearing portion, A stacking part for stacking the heavy objects on the stacking plate with the stacking assembly being assembled; And
And a center bracket disposed between the pair of wheel brackets so as to penetrate through a support hole for rotatably supporting the first horizontal shaft and having a plurality of elastic bodies between the center bracket and the fixed plate, And a load absorbing portion for absorbing a load of the heavy load conveying carriage. The method of claim 3,
Wherein the wheel bracket includes a pair of left and right side plates which are bent downward from both ends of the upper plate and which respectively penetrate the first and second shaft holes,
The center bracket includes a central upper plate contacting the lower end of the elastic body, and a pair of left and right central side walls formed through the support holes bent downward from both ends of the central upper plate and corresponding to the first shaft holes, Wherein the central side wall of the center bracket is arranged to face adjacent side walls between a pair of left and right wheel brackets. 5. The method of claim 4,
Wherein the pair of right and left central side walls include a bearing member for rotatably supporting a first horizontal shaft passing through the support hole. The method of claim 3,
Wherein the center bracket includes a support block in which a lower end of the elastic body is fitted. The method of claim 3,
Wherein the first shaft hole is formed so as to have a vertically elongated shape so that the first horizontal shaft can move up and down when the elastic body is contracted by a load generated when the heavy object is loaded on the loading unit. 8. The method according to any one of claims 3 to 7,
Wherein the bearing portion includes a plurality of circular rings arranged on an upper surface of the fixed plate so as to form concentric circles having different radii, a plurality of bearing steel balls arranged in each of the circular placement grooves formed between the plurality of circular rings, And a central support plate which is formed in the loading plate so as to penetrate the circular opening so that the bearing steel ball exposed and exposed at the outermost side of the ring is in contact with the lower surface of the lamination plate. 9. The method of claim 8,
Wherein the circular ring is a plurality of independent ring members detachably assembled by a fastening member so as to form a concentric circle on the upper surface of the fixing plate or a plurality of integrally formed ring members protruding from the upper surface of the fixing plate Parallel assembled heavy goods transport bogie. 8. The method according to any one of claims 3 to 7,
Wherein the stacking portion includes a contact portion that is in contact with an end portion of the transportation power means and receives an external force when the heavy object is transported,
Wherein the contact portion includes a fixed block mounted on one side of the load plate by a plurality of clamping members.

Images