KR101552245B1 - High-place worktable - Google Patents

Abstract

The present invention relates to a high place worktable capable of expanding a working radius, wherein a footboard is installed on a top of two main arms extending forward from a tower to allow expansion of a working radius. To achieve this, the high place worktable capable of expanding a working radius comprises: the tower to allow workers to ascend or descend; a first supporter made by a first bracket provided on a front left end of a top of the tower, and a first vertical shaft outside the first bracket; a second supporter made by a second bracket provided on the front right end of the top of the tower, and a second vertical shaft outside the second bracket; a first horizontal main arm of which one end is joined to the first shaft of the first supporter to be rotated to the front and the rear; a horizontal main arm of which one end is joined to the second shaft of the second supporter to be rotated to the front and the rear; and the footboard to be supported on each main arm rotated to the front and the rear around each shaft to be opened.

Description

{HIGH-PLACE WORKTABLE}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a work table for a high place installed to repair a facility or a structure placed at a high position from the ground, and particularly, Which is capable of expanding the work radius of a worker by installing a footboard on which a worker can walk, and which can be assembled and disassembled, and which is easy to store and move.

With respect to the work bench technique,

Korean Patent Registration No. 10-0899226 (Registered, hereinafter referred to as "Prior Art") "Workbench"

The above-described prior art includes a fixed footrest, a variable footrest assembled with the inside to be hinged so as to pivot upward on both sides of the fixed footrest, and a plurality of first footsteps provided on the lower end of the fixed footstep, A space bar connecting the upper end and the lower end of the first strut in a direction perpendicular to the strut and the fixed base, a space bar rotatably installed on the outer side of the variable foot, having a space bar in the width direction at the middle and lower ends thereof, A second support having a horizontal support portion formed integrally in a direction perpendicular to the first support, a space bar coupled to a lower end of the first support, a pivot table coupled to the space bar at the lower end of the second support, An elastic supporting means provided between the fixed foot and the fixed base, and a fixing means for fixing the fixed foot in a standing state Although it is a workbench technique,

The work radius of the worker must be limited by the upper surface area of the fixed and variable footrests. Especially, when the worker tilts the body during the work on the conveying line, there are many risk factors such as safety accident, There is a problem that can be worked on later.

The present invention can expand the working radius of a worker through two main arms extending forward from a tower in which a worker can work up and a footboard installed thereon, The purpose is to provide a workbench.

In order to solve the above-mentioned problems, according to the present invention,

A tower for workers to climb up and down;

A first bracket including a first bracket installed at a front left end of the tower and a vertical first shaft provided at an outer side of the first bracket;

A second bracket including a second bracket installed at a front right end of the tower and a vertical second shaft provided at an outer side of the second bracket;

A first main arm which is horizontally coupled to the first shaft of the first support body such that one end thereof is rotatable forward and backward;

A second main arm having one end connected to the second shaft of the second support body so as to be rotatable forward and backward; And

A footboard supported by each of the main arms which is rotated forward by the respective shafts as a reference;

.

In order to prevent the other ends of the unfolded first and second main arms from being struck down,

And the first and second supports are configured to support the other ends of the first and second main arms.

In order to restrict the turning operation of the folded first and second main arms when the work bench ratio is used,

And further includes a spread preventing means for the first and second main arms which are folded and rotated backward on the basis of the respective shafts.

In order to facilitate the installation of the footboard and to prevent the footboard from moving back and forth after installation,

And the first and second main arms are provided with stoppers for supporting the front and rear ends of the footboard supported by the first and second main arms.

And to limit the upward movement (lifting, etc.) of the footboard supported by each main arm,

And a first and a second sub-arm coupled to the first and second main arms, respectively, across the top of the footboard.

In order to ensure ease of movement,

A caster is provided on each of the top and bottom of the front surface of the tower,

And is movable through the casters in a state in which the tower is laid down forward.

A working radius expandable work bench according to the present invention comprises:

Two main arms spread out forward from the tower where the worker can climb up, and a footboard installed on the top of the tower, the work radius of the worker can be expanded. There is the greatest effect.

In addition, there is an effect that it is easy to move and store after folding forward two main arms, that is, expanding two main arms.

1 is a side view showing a state in which two main arms are folded in a working radius expandable work bench according to the present invention,
Fig. 2 is a side view showing a state in which two main arms are unfolded in a working radius expanding work bench according to the present invention; Fig.
3 is an enlarged view of "A" in Fig. 2,
Fig. 4 is a plan view of Fig. 2,
Fig. 5 is a rear view of Fig. 2,
6 is a side view showing the spread preventing means in each of the main arms and the folded main arms.

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

Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention. Therefore, various equivalents It should be understood that water and variations may be present.

The direction of each main arm extending on the basis of Fig. 2 is referred to as front or front, and the direction of the tower is referred to as rear or rear.

2, the fence side is designated as the upper side or the upper side, and each support side is defined as the lower side or the lower side.

As shown in FIGS. 1 to 6, a working radius expanding worktop according to the present invention comprises:

A first main body 30A, a second main arm 30B, and a footboard 40. The first main body 30A, the second main body 30B,

Looking at each configuration,

The tower 10

As shown in Figures 1, 2 and 5,

For workers to climb up and down,

A ladder 11 is provided on the side portion and a handrail 12 is provided on the upper portion of the tower 10. The lower portion of the tower 10 is provided with a plurality of An outrigger 13 of the tower 10 is provided on the lower surface of the tower 10 and a caster for movement is provided on the lower surface of the tower 10.

The first support 20A

As shown in Figs. 3 to 5,

The first main arm 30A is rotatably installed on the tower 10,

A first bracket 21 installed at the front left end of the tower 10,

A first vertical shaft 22 provided on the outer side of the first bracket 21,

.

The first bracket 21 has a rectangular plate-like structure, and bolts inserted into four corners of the first bracket 21 are fastened to the tower 10 and installed in the tower 10.

The first shaft 22 has a vertical cylindrical structure in which upper and lower ends are coupled to two first horizontal plates 21a protruding from the upper and lower portions of the outer side of the first bracket 21 .

The second support 20B

As shown in Figs. 1, 3 to 5,

The second main arm 30B is rotatably installed on the tower 10,

A second bracket 23 provided on the upper right side end portion (right end portion) of the tower 10, and

A vertical second shaft 24 provided on the outer side of the second bracket 23,

.

Here, the second bracket 23 has a rectangular plate-like structure, and bolts inserted into the four corners thereof are fastened to the tower 10 and installed in the tower 10.

The second shaft 24 has a vertical cylindrical structure in which both upper and lower ends are coupled to two second horizontal plates 23a protruding from the upper and lower portions of the outer side of the second bracket 23 .

The first main arm 30A

As shown in Figs. 3 to 5,

A horizontal structure having a predetermined length in the front and rear direction, and a bar type structure having a rectangular cross section,

A first corresponding engaging portion 31 which is male and female engaging with the first shaft 22 at one end so as to be rotatably coupled to the first shaft 22 of the first support body 20A, .

The second main arm 30B

As shown in Figs. 1, 3 to 5,

A horizontal structure having a predetermined length in the front and rear direction, and a bar type structure having a rectangular cross section,

And a second corresponding engaging portion 33 which is male and female engaging with the second shaft 24 at one end so as to be rotatably coupled to the second shaft 24 of the second support body 20B, .

A bearing or the like may be interposed between the corresponding engaging portions 31 and 33 of the first and second main arms 30A and 30B and the respective shafts 22 and 24. In addition, And a rib member R extending from each of the corresponding engaging portions 31 and 33 of the main arm 30A and 30B to the intermediate portion of the main arm.

The first and second main arms 30A and 30B preferably have the same longitudinal length.

The footboard 40

As shown in Figures 2 to 5,

A structure in which a worker who is supported by the main arms 30A and 30B which is rotated forward by the forward rotation of the shafts 22 and 24 and is lifted up by a ladder or the like provided on the tower 10 .

Here, the footboard 40 may be composed of a plurality of panels arranged side by side so as to be supported by the main arms 30A and 30B, as shown throughout the drawings of the present invention,

Or a panel having a size as much as the space formed by the plurality of panels.

A fence F may be additionally provided along the upper edge of the footboard 40 to prevent an operator from falling down on the footboard 40.

Meanwhile, the working radius expanding workbench according to the present invention is characterized in that the other end portions (the other end portions) of the unfolded first and second main arms 30A and 30B are bent (warped) The first and second supports 50A and 50B,

The first and second supports (50A, 50B)

As shown in Figures 2 and 5,

A U-shaped support member 51 formed so as to fit the other ends of the main arms 30A and 30B, and

A strut 52 connected to a lower portion of the support member 51 and supported by an indoor or outdoor floor (hereinafter referred to as a "ground") of a space in which the workbench of the present invention is installed,

.

Here, the struts 52 are divided into two powder, and a bolt is formed at the lower part of the upper powder and a groove for bolt tightening is formed at the upper part of the lower powder, so that the vertical length of the two powder can be adjusted according to the fastening depth of the bolt It is possible.

Meanwhile, the working radius expanding workbench according to the present invention further includes an unfolding preventing means 60 for restricting the turning operation of the folded main arms 30A and 30B when the workbench is not used,

The spreading prevention means (60)

As shown in Figure 6,

A pin hole 61 formed in each of the brackets 21 and 23 of the support bodies 20A and 20B so as to pass through the horizontal plates 21a and 23a,

Pin grooves 62 formed in the respective corresponding engaging portions 31 and 33 of the main arms 30A and 30B so as to be downwardly recessed at positions corresponding to the pin holes 61,

A pin 63 inserted into the pin groove 62 through the pin hole 61,

.

At this time, the unfolding preventing means 60 having the above-mentioned configuration may be variously modified and changed within a range satisfying the condition that the folding operation of the folded main arms 30A and 30B can be restricted.

The work radius extension type workbench according to the present invention is further provided with a stopper 70 for facilitating the installation of the footboard 40 and preventing the footboard 40 from moving back and forth after installation,

The stopper (70)

As shown in Figure 3,

The first and second main arms 30A and 30B are protruded on both sides of the front and rear ends of the main arm 30A and have a rectangular cross section.

Therefore, the footboard 40 is positioned between the stoppers 70 provided at the front and rear upper portions of the main arms 30A and 30B, thereby limiting the forward and backward movement of the footboard 40.

On the other hand, the working radius expanding workbench according to the present invention includes first and second subarms 80A and 80B (first and second subarms 80A and 80B) for restricting upward movement (audible movement) of the footboard 40 supported by the main arms 30A and 30B ),

The first and second sub-arms 80A,

As shown in Figures 3 and 4,

And has a rectangular cross section having a predetermined length in the front and rear direction so as to be coupled to the first and second main arms 30A and 30B, respectively, across the top of the footboard 40. [

At this time, the main arms 30A and 30B and the sub arms 80A and 80B are coupled to each other by bolts B in a state where they are vertically arranged.

Meanwhile, the working radius expanding workbench according to the present invention further includes a caster 90 to ensure ease of movement,

The caster (90)

As shown in Figure 1,

And has a normal wheel structure provided on each of the top and bottom of the front surface of the tower 10.

At this time, it is preferable that the cast 90 disposed on the upper side of the front of the tower 10 is configured to be turned in the left and right direction to change the direction.

Therefore, the tower 10 can be moved through the caster 90 while being laid down forward.

While the present invention has been described with reference to the accompanying drawings, it should be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present invention as defined by the appended claims. And should be construed as falling within the scope of protection of the present invention.

10: Towers
11: Ladder 12: Handrail
13: Outrigger
20A: first support
21: first bracket 21a: first horizontal plate
22: First shaft
20B: second support
23: second bracket 23a: second horizontal plate
24: Second shaft
30A: first main arm
31: first corresponding coupling portion
30B: Second main arm
33: second corresponding coupling portion
40: Footboard
50A, 50B: first and second supports
51: support member 52: holding member
60: spread prevention means
61: pin hole 62: pin groove
63: pin
70: Stopper
80A, 80B: first and second sub-arms
90: Casters

Claims (6)

A tower 10 for lifting and lowering workers;
A first bracket 21 installed on the upper left front end of the tower 10, two first horizontal plates 21a protruding from the upper side of the left side of the first bracket 21, A first support body 20A made of a vertical first shaft 22 to which upper and lower both ends are coupled to the two first horizontal plates 21a;
A second bracket 23 provided at the upper right side of the upper side of the tower 10, two second horizontal plates 23a protruding from above and below the right side of the second bracket 23, A second support body 20B made up of a vertical second shaft 24 having both upper and lower ends coupled to the two second horizontal plates 23a;
A first corresponding engaging portion 31 which is male and female engaging with the first shaft 22 at one end so as to be rotatably coupled to the first shaft 22 of the first support body 20A, A first main arm 30A having a horizontal shape;
And a second corresponding engaging portion 33 which is male-female engageable with the second shaft 24 so as to be rotatably coupled to the second shaft 24 of the second support body 20B at one end thereof, A second main arm 30B; And
A footboard (40) supported by the main arms (30A, 30B) which are forwardly rotated and spread on the basis of the shafts (22, 24);
, ≪ / RTI >
A pin hole 61 penetrating through each of the horizontal plates 21a and 23a in the respective brackets 21 and 23 of the support members 20A and 20B so as to penetrate through the horizontal plates 21a and 23a, (63) formed in the pin groove (62) through the pin hole (61) and a pin groove (62) formed downward at a position corresponding to the pin hole (61) The first and second main arms 30A and 30B are rotated in the backward direction on the basis of the respective shafts 22 and 24 to limit the turning operation of the folded first and second main arms 30A and 30B,
The first and second main arms 30A and 30B are provided with a stopper 70 for supporting the front and rear ends of the footboard 40 supported by the first and second main arms 30A and 30B,
Further comprising first and second sub-arms (80A, 80B) coupled to the first and second main arms (30A, 30B) respectively across the top of the footboard (40)
A caster 90 is provided on each of the top and bottom of the front of the tower 10 so that the tower 10 can be moved through the caster 90 in a state in which the tower 10 is laid forward. Working radius expandable work bench.
The method according to claim 1,
Further comprising first and second supports (50A, 50B) to receive the other ends of the first and second main arms (30A, 30B) bench.
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