JP2021017229A - Automatic transport carriage for stair ascent and descent to prevent stair slip - Google Patents

Abstract

To provide an automatic transport carriage for stair ascent and descent, which can be easily moved when moving heavy objects.SOLUTION: The present invention provides an automatic transport carriage for stair ascent and descent for easily moving a transport article having heavy weight when ascending and descending stairs, thereby a user easily transports the article. In addition, the present invention exhibits effect that when the transport carriage ascends and descends the stairs by grooves respectively formed on a valley and a mountain portion formed on a stair edge slip preventing belt, the carriage can efficiently ascend and descend the stairs while preventing the transport carriage from slipping over the stairs by increasing friction force in contact with an upper portion surface or a lower portion surface of a stair edge.SELECTED DRAWING: Figure 1

Description

The present invention relates to an automatic transport trolley for ascending and descending stairs, and more specifically, relates to an automatic transport trolley for ascending and descending stairs that can be easily moved when a heavy object is moved.

In general, a dolly is a pedestal with wheels for carrying and moving luggage, and has a handle used for carrying small luggage, etc., and small ones are larger than trolleys that are pulled manually. There is a heavy-duty trolley for large rivers, which is used for towing and moving steel structures and cast iron from steelworks.

In the case of such a trolley, a worker can perform industrial goods (industrial products) at an industrial site where manufacturing and production are carried out or a warehouse of a distribution center, or goods to be transferred at a place where distribution is frequently moved. Instead of directly carrying small quantities and transporting and transporting, large quantities and overweight articles will be loaded, transported and transported for easy and safe transport. At this time, it is named a transfer trolley or a transport trolley, and this is commonly called a trolley.

As mentioned above, the trolley will play a very important role in transporting the goods to be transferred from one place to another. Looking at the structure of such a conventional trolley, it is a plate having a predetermined area, a frame that supports the plate, and casters connected to the frame. In the case of manual, the handle is further included. However, the conventional transport trolley has a problem that it is very difficult to go up and down the stairs and requires excessive force of the user.

Republic of Korea Patent Registration Gazette No. 10-1624107 (May 19, 2016) Republic of Korea Patent Registration Gazette No. 10-1820768 (January 16, 2018)

Therefore, the present invention is a technique proposed to solve the above-mentioned problems, and an object of the present invention is an automatic transport trolley capable of easily moving a heavy transport article when going up and down stairs. Is in the offer.

Another object of the invention is the upper or lower part of the corner of the stairs when the carrier goes up and down the stairs by the valley and the mountain part formed in the anti-slip belt of the corner of the stairs and the groove formed in each part. An object of the present invention is to provide an automatic transport trolley for ascending and descending stairs for preventing stair slipping, which can prevent the transport trolley from slipping on stairs by increasing the frictional force in contact with a surface.

The automatic carrier for raising and lowering stairs for preventing stair slippage according to the present invention for achieving the above object includes a loading member 110 for loading a transported article; and a driving unit formed below the loading member 110. A drive frame 120 formed so as to surround 130; for preventing corner slip of stairs formed in the drive frame 120 but formed so as to surround a predetermined number of drive rollers 132 arranged at predetermined intervals. A drive unit 130 formed including a belt 131; a handle 140 formed at one end of the loading member 110; a wheel located on one side of the handle 140 for adjusting the left-right rotation of the wheel. An operating unit 150 including a left-right rotation adjusting unit 151 and a vertical movement adjusting unit 152 of the loading member for adjusting the position of one side of the loading member 110 up and down; the loading member 110 and the loading member 110 by the operating unit 150. The drive unit 130 is configured to include a control unit 160 that controls the operation of the drive unit 130; the drive unit 130 is formed by a belt ridge 131a that protrudes at predetermined intervals and is formed in a mountain shape, and the belt ridge 131a. It is characterized by including a belt valley 131b formed in the shape of a valley and a belt 131 for preventing corner slip of stairs including the belt valley 131b.

Further, the belt ridge 131a of the stair corner anti-slip belt 131 is formed so that one side has an inclined surface because the corner of the stair is slipped and the corner of the stair is rubbed against the belt valley 131b. , A predetermined number of stairs wearing Kakuyasu protruding grooves 131a-1 are formed in a sharp shape at predetermined intervals, and the belt valley 131b has a predetermined number of stairs Kakuan wearing grooves 131b-1 at predetermined intervals. The Kakuyasu wearing protrusion groove 131a-1 of the stairs is formed in a sharp shape, and a large number of friction increasing grooves 131a-2 on the upper and lower corner surfaces of the first stairs are formed on the surface of the Kakuan wearing protrusion groove 131a-1 of the stairs. -1 is characterized in that a large number of friction increasing grooves 131b-2 on the upper and lower corner surfaces of the second stairs are formed on the surface.

Further, it further includes a lower transfer support portion 170 which is located on one lower side of the drive frame 120 and is formed so as to come into contact with the floor of the stairs.

Further, the drive unit 130 is formed between the adjacent drive rollers 132, and further includes a staircase moving articulated unit 133 in which a plurality of joints 133a are rotatably connected by a hinge 133b. And.

Further, the loading member 110 further includes a loading slide 111 of an item for transferring the transported article to the upper surface of the loading member 110, and the loading slide 111 of the item is one side of the loading member 110. It is characterized in that it is accommodated in the accommodating portion formed in.

Further, although one side of the drive frame 120 is connected to the loading member 110, an inclined cylinder rod formed to move one side of the loading member 110 to the upper part or the lower part according to the operation of the operating portion 150. Although 121 is included, the inclined cylinder rod 121 is used in order to maintain the level with the ground when going up and down the stairs with one side of the loading member 110 moved upward by the operation of the inclined cylinder rod 121. It is characterized by maintaining level with the ground.

INDUSTRIAL APPLICABILITY According to the present invention, by providing an automatic transport trolley for easily moving a transport article having a heavy weight when going up and down stairs, there is an effect that the user can easily transfer the article.

In addition, the valleys and peaks formed on the stairs corner anti-slip belt and the grooves formed in each of the stairs cause friction that comes into contact with the upper or lower surface of the corners of the stairs when the carrier goes up and down the stairs. By increasing the force, there is an effect that the transport trolley is prevented from slipping on the stairs and the trolley can efficiently go up and down the stairs.

It is a figure which showed the overall state of the transport trolley according to Example 1 of this invention. It is a figure which showed the lower part state of the transport trolley according to Example 1 of this invention. It is a figure which showed the state that one side of the loading member 110 of the transport trolley according to Example 1 of this invention moved upward. It is a figure which showed the drive part 130 of the transport trolley according to Example 1 of this invention. It is a figure which showed a part of the corner slip prevention belt 131 of the stairs of the transport trolley according to Example 1 of this invention. It is an enlarged view of the corner slip prevention belt 131 of the stairs of the transport trolley according to the first embodiment of the present invention. It is the figure which enlarged and showed the corner part of the stairs as an Example which showed the state when the transport trolley according to Example 1 of this invention goes up a stairs. It is the figure which showed the corner part of the stairs enlarged as the Example which showed the state when the transport trolley according to Example 1 of this invention goes down the stairs. It is a figure which showed other Example of the corner slip prevention belt 131 of the stairs of this invention. It is a state of the lower part of the transport trolley according to Example 2 of this invention. This is an example of using the transport trolley according to the second embodiment of the present invention. It is a state of the transport trolley according to Example 3 of this invention. This is an example of using the transport trolley according to the third embodiment of the present invention. It is a state of the transport trolley according to Example 4 of this invention. This is an example of using the transport trolley according to the fourth embodiment of the present invention. It is a state of the transport trolley according to Example 5 of this invention. This is an example of using the transport trolley according to the fifth embodiment of the present invention.

The terms and words used herein and in the scope of the patent claims are not construed in a general or lexical sense, and the inventor best describes his invention in the best possible way. To explain, it should be interpreted as a meaning and concept consistent with the technical idea of the present invention, based on the principle that the concept of terms can be properly defined.

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

In the present invention, Example 1 is the most basic form, and Examples 2 to 5 are additions or modifications of some components of the form of Example 1.

First, with reference to FIGS. 1 to 9, the components of the transport trolley of the present invention according to the first embodiment will be specifically described.

<Example 1> Basic type
FIG. 1 is a diagram showing an overall appearance of the transport trolley according to the first embodiment of the present invention. In the transport trolley 100 of the present invention, the loading member 110, the drive frame 120, the drive unit 130, the handle 140, and the operating unit 150 are shown. , A control unit 160, and a lower transfer support unit 170.

The loading member 110 is for loading the transported articles, and is preferably formed in a plate-like shape having a predetermined size for loading the transported articles to be transported by the operator.

The loading member 110 has an accommodating portion formed on one side to accommodate the loading slide 111 of the article, and when the transported article is loaded, the loading slide 111 of the article is taken out to the outside and the article is brought to the upper surface of the loading member 110. It is to be transferred. With reference to FIG. 2, it is possible to confirm how the transported goods are loaded.

The drive frame 120 is formed below the loading member 110, but is formed so as to surround the drive unit 130. The drive frame 120 further includes an inclined cylinder rod 121, and one side of the inclined cylinder rod 121 is connected to the loading member 110, but one side of the loading member 110 is upper or upper depending on the operation of the operating portion 150. It was formed to move to the bottom.

FIG. 3 shows that when one side of the loading member 110 is moved upward by the operation of the inclined cylinder rod 121 and goes up and down the stairs, the inclined cylinder rod 121 is used to maintain the level with the ground. It can be kept level.

The drive unit 130 is formed to include a staircase corner slip prevention belt 131 formed on the drive frame 120 and surrounding a predetermined number of drive rollers 132 arranged at predetermined intervals. (See Fig. 4).

The drive unit 130 is formed including a belt for preventing corner slip of stairs 131 and a drive roller 132.

With reference to FIGS. 5 and 6, the corner slip prevention belt 131 of the stairs is formed in the shape of a valley by the belt peak 131a and the belt peak 131a, which are formed by protruding at predetermined intervals and formed in the shape of a mountain. It includes the belt valley 131b.

The belt ridge 131a is formed so that one side has an inclined surface so that the corner of the stair is slipped so that the corner of the stair is rubbed against the belt valley 131b.

It is desirable that the belt ridge 131a is formed so that the upper surface has a flat surface, but as shown in FIG. 9, a predetermined number of stairs with a predetermined number of stairs are provided with protrusions 131a-1. It can also be formed into a pointed shape and contact the upper or lower surface of the corner of the stairs to increase the frictional force. Further, the frictional force can be increased by forming a large number of friction increasing grooves 131a-2 on the upper and lower corner surfaces of the first stairs on the surface of the belt ridge 131a.

It is desirable that the surface of the belt valley 131b is formed with a predetermined number of staircase wearing grooves 131b-1 at predetermined intervals.

On the surface of the corner safety groove 131b-1 of the stairs, a large number of friction increasing grooves 131b-2 on the upper and lower surfaces of the corners of the stairs are formed to increase the area on one side of the corners of the stairs and the frictional force during friction. Can be done.

FIG. 7 is an enlarged view of a part of the transport trolley 100 of the present invention climbing the stairs 10, and is an enlarged view of the corner slip prevention belt 131 of the stairs of the transport trolley 100 passing through the stairs.

With reference to FIG. 7, the corner anchorage groove 131b-1 of the stairs of the stairs corner slip prevention belt 131 is inserted into the corner portion 11 of the stairs, and at this time, the upper surface 11a of the corner portion 11 of the stairs is formed. Hold down and pass through stairs 10 (see F1 direction).

As a result, the acting force of the upper surface 11a of the corner portion 11 of the stairs is transmitted to prevent the belt from slipping, so that the transport carriage 100 can move upward in parallel with the inclination of the stairs.

The groove in contact with the upper surface portion 11a of the corner portion 11 of the stairs increases the frictional force with the upper surface 11a of the corner portion 11 of the stairs by forming a small child groove on the surface of the groove itself. Can be done.

FIG. 8 is an enlarged view of a part of the figure of the transport trolley 100 of the present invention going down the stairs 10, and the figure of the stairs corner slip prevention belt 131 of the transport trolley 100 passing through the stairs is enlarged on the stairs 10. It is a figure.

When the transport trolley 100 descends the stairs 10, the acting force of the lower surface 11b of the corner portion 11 of the stairs is transmitted, and the belt slip is prevented even when the transport trolley 100 descends the stairs, so that the transport trolley 100 tilts the stairs. It becomes possible to move downward in parallel.

The drive roller 132 is rotatably provided and is wrapped in a staircase corner slip prevention belt 131 so that the staircase corner slip prevention belt 131 forms an endless track.

The handle 140 is formed at one end of the loading member 110.

The operating portion 150 is located on one side of the handle 140, but is for adjusting the position of the left / right rotation adjusting portion 151 of the wheel for adjusting the left / right rotation of the wheel and the position of one side of the loading member 110 up and down. It includes a vertical movement adjusting unit 152 of the loading member.

The left-right rotation adjusting unit 151 of the wheel is formed by a joystick or the like so that the driving roller 132 of the driving unit 130 can rotate to the left or right side, and its operation can be adjusted.

Further, the vertical movement adjusting unit 152 of the loading member is adjusted so that the inclined cylinder rod 121 of the drive frame 120 is moved upward or downward, and is formed by a joystick or the like to adjust its operation. it can.

By using the vertical movement adjusting unit 152 of the loading member to adjust the loading member 110 so as to be horizontal to the ground when going up and down the stairs, it is possible to prevent the transported goods from falling from the transport trolley 100. Can be done.

The control unit 160 controls the operations of the loading member 110 and the drive unit 130 through the operating unit 150.

That is, if the operator operates the left-right rotation adjusting unit 151 of the wheel of the operating unit 150 to the left or right, the drive roller 132 of the drive unit 130 via the control unit 160 is based on the operation operated by the operator. Rotate to the left or right.

Further, when the operator moves the vertical movement adjusting unit 152 of the loading member of the operating unit 150 upward or downward, one side of the inclined cylinder rod 121 of the drive frame 120 moves upward or downward via the control unit 160. , One side of the loading member 110 will move upward or downward.

<Example 2>
The transport trolley according to the second embodiment has the same shape as the first embodiment, and a lower transfer support portion 170 is conveniently added when going down the stairs.

With reference to FIG. 10, the lower transfer support portion 170 is located on one side of the drive frame 120, but is preferably formed on both sides of the inclined cylinder rod 121 to assist when going down the stairs. do.

Referring to FIG. 11, the lower transfer support 170 is attached to the upper surface 10a of the stairs 10 in order to prevent the transport trolley 100 from tilting forward and falling when the transport trolley 100 is lowered below the stairs. It is intended to be rested and supported, and is preferably formed in the shape of a wheel as shown in the drawing so that it can move freely. By forming the lower transfer support portion 170, there is an advantage that the operator can safely transfer the transported article even when the transported article is transferred downward on the stairs.

<Example 3>
The transport trolley according to the third embodiment is the same as that of the first embodiment, but the upper transfer support portion 180 is conveniently added when climbing the stairs.

Referring to FIG. 12, the upper transfer support portion 180 is located behind the inclined cylinder rod 121 of the drive frame 120, but the moving wheels are formed in the direction toward the handle 140.

Here, the term "rear" means a direction opposite to the forward direction of the transport trolley, and the transport trolley advances so that the loading member 110 faces forward.

With reference to FIG. 13, the operation state of the upper transfer support portion 180 can be confirmed, and when the upper transfer support portion 180 goes up the stairs and enters the flat ground, the load member 110 is directed toward the handle 140 by the upper transfer support portion 180. This further tilts to reduce the risk of the loaded object falling.

<Example 4>
The transport trolley according to the fourth embodiment is the same as that of the first embodiment, but the articulated portion 133 for moving the stairs is conveniently added when going up and down the stairs.

The multi-joint portion 133 for moving the stairs is formed in the drive portion 130, is formed between the adjacent drive rollers 132, and a plurality of joints 133a are rotatably connected by a hinge 133b.

Since the morphology of the joint 133a and the hinge 133b can be known by an ordinary engineer, the drawings for this are omitted.

The articulated portion 133 for moving the stairs can be confirmed in its use with reference to FIGS. 14 and 15, and is rotatably formed when going up and down the stairs 10 as shown in FIG. This has the effect of preventing impact.

<Example 5>
The transport trolley according to the fifth embodiment is the same as that of the first embodiment, but a moving caster 190 is conveniently added when climbing stairs.

Referring to FIG. 16, the moving caster 190 is formed in the lower part of the loading member 110 so that it can move without the movement of the moving portion 150 when moving on a flat ground.

It is desirable that the moving casters 190 are formed on one front side and one left and right side of the drive frame, respectively, so that a total of three moving casters 190 are formed so that the transport carriage can move smoothly.

Examples of the present invention can also be produced by combining various embodiments, such as combining Example 2 and Example 4, or combining Example 3 and Example 4.

The embodiments described in the present specification and the configurations shown in the drawings as described above can be subjected to various transformations, and various examples can be provided. Specific examples are illustrated in the drawings. I will try to explain in detail. However, this does not limit the invention to any particular embodiment, but must be understood by including all transformations, equivalents or alternatives within the ideas and technical scope of the invention.

100 transport trolley
110 Loading member
111 Goods loading slide
120 drive frame
121 Inclined cylinder rod
130 drive unit
131 Stairs corner anti-slip belt
131a Belt Yamabe
131a-1 Protrusion groove for wearing corners of stairs
131b Belt valley
131b-1 Grooves for wearing corners of stairs 131a-2, 131b-2 Friction increase grooves on the upper and lower surfaces of the corners of stairs
132 drive roller
133 Moving joints of stairs
133a joint
133b hinge
140 handle
150 Moving part
151 Wheel left / right rotation adjustment unit
152 Vertical movement adjustment part of loading member
160 Control unit
170 Lower transfer support 180 Upper transfer support
190 Mobile casters

Claims (1)

With the loading member 110 for loading the goods to be transported;
With a drive frame 120 formed below the loading member 110 but so as to surround the drive unit 130;
With the drive unit 130 formed on the drive frame 120, including the corner slip prevention belt 131 of the stairs formed so as to surround a predetermined number of drive rollers 132 arranged at predetermined intervals;
With the handle 140 formed at one end of the loading member 110;
Although it is located on one side of the handle 140, the left / right rotation adjusting portion 151 of the wheel for adjusting the left / right rotation of the wheel and the vertical movement of the loading member for adjusting the position of one side of the loading member 110 up / down. With the operating unit 150 including the adjusting unit 152;
With the control unit 160 that controls the operation of the loading member 110 and the drive unit 130 by the operating unit 150;
It is configured to include a lower transfer support 170; which is located on one lower side of the drive frame 120 and is formed so as to come into contact with the floor of the stairs.
The loading member 110 is
It further includes an article loading slide 111 for transporting the transported article to the upper surface of the loading member 110, the article loading slide 111 being housed in an accommodating portion formed on one side of the loading member 110. Being done
The drive frame 120 is
One side is connected to the loading member 110, including an inclined cylinder rod 121 formed to move one side of the loading member 110 to the top or bottom in response to the operation of the actuating portion 150. In order to maintain the level with the ground when going up and down the stairs with one side of the loading member 110 moved upward by the operation of the rod 121, the inclined cylinder rod 121 is used to maintain the level with the ground.
The drive unit 130
A belt 131a for preventing corner slip of stairs including a belt peak 131a that protrudes at predetermined intervals and is formed in a mountain shape, and a belt valley 131b that is formed in a valley shape by the belt peak 131a;
A staircase moving articulated portion 133, which is formed between the adjacent drive rollers 132, but in which a plurality of joints 133a are rotatably connected by a hinge 133b;
The belt ridge 131a of the stair corner anti-slip belt 131 is formed so that one side has an inclined surface because the corner of the stair is slipped and the corner of the stair is rubbed against the belt valley 131b. A predetermined number of stairs are formed with protruding grooves 131a-1 worn at the corners of the stairs in a sharp shape.
The belt valley 131b is formed by forming a predetermined number of staircase wearing grooves 131b-1 at predetermined intervals in a sharp shape.
A large number of friction increasing grooves 131a-2 on the upper and lower corner surfaces of the first stairs are formed on the surface of the Kakuyasu wearing protrusion groove 131a-1 of the stairs, and a large number of Kakuan wearing grooves 131b-1 of the stairs are formed on the surface. An automatic transport trolley for ascending and descending stairs for preventing stair slipping, characterized in that a friction increasing groove 131b-2 is formed on the upper and lower corners of the second stairs.

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