KR200481304Y1

KR200481304Y1 - Safety fence

Info

Publication number: KR200481304Y1
Application number: KR2020160003584U
Authority: KR
Inventors: 황민욱
Original assignee: 황민욱
Priority date: 2016-06-23
Filing date: 2016-06-23
Publication date: 2016-09-09

Abstract

According to the present invention, there is provided a safety fence provided on a guide rail for guiding the conveyance of a heavy object to prevent the heavy object from falling down. The safety fence includes a plurality of safety fences each having an upper side fixedly installed on both sides in the longitudinal direction of the guide rail Extension bar; A support plate horizontally disposed on a lower side of the plurality of extension bars to support the weight when the heavy object is dropped; A fastening bar provided with a seating part (31) in which a lower part of the support plate rests on a lower end surface in a rectangular cross section, a hooking groove is formed in an upper surface thereof, and a lower side of the plurality of extending bars is fastened; And a support piece which is seated on the upper surface of the fastening bar and is capable of supporting the upper surface of the support plate, a protrusion protruding from one side of the seating piece, inserted into the fastening groove of the fastening bar, And a knob configured by a connecting lever and a rotary lever protruding from the upper surface of the seating member.
According to this, it is possible to prevent a heavy object from falling through a safety fence in a production line, thereby securing the safety of an operator.

Description

Safety fence

The present invention relates to a safety fence installed on a ceiling of a manufacturing production line to prevent a heavy object from falling.

Generally, in a manufacturing production line, a weight having a weight that is difficult for a person to easily carry is horizontally moved on a guide rail by using a hoist that can be transported, thereby enhancing the operation efficiency of the production line.

Further, a hoisting machine equipped with an electric motor, a decelerator, a winding drum, and the like is installed in the hoist, and the heavy object is moved up and down on the production line at any time.

However, in the conventional heavy-goods conveying means, there is a possibility that a wrong operation of the apparatus or damage to parts directly or indirectly connected to the heavy object may occur, whereby the heavy object may fall to the floor on which the worker is carried,

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a safety fence capable of preventing a heavy object from falling.

The problems to be solved by the present invention are not limited to the above-mentioned problems, and another problem that is not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a safety fence comprising:

A safety fence provided on a guide rail for guiding the conveyance of a heavy object to prevent the heavy object from falling,

A plurality of extension bars installed on the upper side in such a manner that the upper side is connected to both sides in the longitudinal direction of the guide rail and is erected;

A support plate horizontally disposed on a lower side of the plurality of extension bars to support the weight when the heavy object is dropped;

A fastening bar provided with a seating part (31) in which a lower part of the support plate rests on a lower end surface in a rectangular cross section, a hooking groove is formed in an upper surface thereof, and a lower side of the plurality of extending bars is fastened; And

A seating piece which is seated on the upper surface of the fastening bar and is capable of supporting the upper surface of the supporting plate, and a connecting rod projecting from one side of the seating fastening hole and inserted into the fastening groove of the fastening bar, And a rotary lever protruding from the upper surface of the seat member.

.

Wherein the hooking groove of the fastening bar is formed with a through-

And is formed so as to open to both sides.

Wherein the hooking groove of the fastening bar is formed with a through-

And the inlet side is formed to be smaller in width than the inner side.

The inlet side of the hooking groove

And both sides thereof are vertically symmetrical.

On the other side of the seat,

And a locking projection formed integrally with the curved portion and formed as a vertical portion formed to prevent the connector from rotating in the opposite direction is formed in the curved portion formed to be curved so as to cross the edge edge of the fastening bar when the connector is rotated in one direction at 90 degrees .

The connector of the knob

An extension portion located on an inlet side of the catching groove,

And an engaging portion that is integrally connected to the lower side of the extended portion and meshes with the inside of the hooking groove.

The engaging portion

And two pairs of vertical portions and curved portions extending in the longitudinal direction of the outer peripheral surface.

On the upper surface of the rotation lever,

And a wrench insertion groove is formed.

The support plate

And a metal net supported on the inner side of the metal net and seated in the seating part of the tightening bar.

As described above, according to the safety fence according to the present invention, it is possible to prevent a heavy object from falling through a safety fence in a production line, thereby securing the safety of an operator.

1 is a perspective view showing a safety fence according to an embodiment of the present invention;
2 is an enlarged view of a portion 'A' in FIG. 1,
3 is an enlarged view of a portion 'B' in FIG. 1,
FIG. 4 is a perspective view showing the knob of FIG. 1 in detail,
Fig. 5 is a side view of Fig. 4,
Fig. 6 is a rear view of Fig. 4,
FIG. 7 is a view showing a lumbar operation state of a safety fence according to an embodiment of the present invention; FIG.

Hereinafter, a safety fence according to an embodiment 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 meanings, and the inventor should appropriately design the concept of the term appropriately to describe its own design in the best way. It should be interpreted as a meaning and a concept consistent with the technical idea of the present invention based on the principle that it can be defined.

Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention, so that they can be replaced at the time of the present application It should be understood that various equivalents and modifications may be present.

A safety fence of a manufacturing production line according to an embodiment of the present invention can be installed on a guide rail of a ceiling for guiding the conveyance of a heavy object to prevent the heavy object from falling. At this time, the heavy object lifts the heavy object up and down by operating the hoist through the place where the safety fence described later is not installed.

1, a safety fence according to an embodiment of the present invention includes a plurality of extension bars 10, at least one support plate 20, a pair of fastening bars 30, And a knob (40).

As shown in FIG. 2, the extended bar 10 may be installed on both sides in the longitudinal direction of the pair of guide rails (not shown) Respectively.

The support plate 20 may be horizontally disposed on the lower side of the plurality of extension bars 10 so as to have a predetermined area to prevent the heavy items from dropping to the floor when the heavy objects fall, And can be coupled so as to be continuous in the longitudinal direction.

1 shows an example of the support plate 20. The support plate 20 includes a mesh network 21 having a lattice structure and a seat 31 to be described later of the tightening bar 30, (Not shown).

3, the fastening bar 30 has a rectangular cross-sectional shape and has a seating portion 31 on which a lower portion of the support plate 20 is placed on a lower end surface. On the upper surface of the fastening bar 30, And the lower side of the plurality of extension bars 10 is fastened to the hooking groove 30a by the bracket B. [

At this time, the hooking grooves 30a of the fastening bar 30 may be opened to both sides. The hooking groove 30a of the fastening bar 30 is formed such that its entrance side 30a-1 is smaller in width than the inside 30a-2, and has a stepped structure. It is preferable that both sides of the inlet side 30a-1 of the hooking groove 30a are vertically symmetrical.

4 and 5, the knob 40 is mounted on an upper surface of the fastening bar 30 to selectively support the upper surface of the support plate 20 A connecting hole 42 protruded from one side of the seating piece 41 and inserted into the catching groove 30a of the connecting bar 30 so as to be rotatable in one direction at 90 degrees, And a rotation lever 43 protruding from the upper surface of the main body 41.

A curved portion 44-1 is formed at the other side of the seating piece 41 so as to be able to ride over the edge of the coupling bar 30 when the coupling hole 42 rotates in one direction at 90 degrees, And a vertical portion 44-2 formed integrally with the curved portion 44-1 and configured to prevent the connection hole 42 from being rotated in the opposite direction.

The connection port 42 of the knob 40 has an extension portion 42-1 located at the entrance side 30a-1 of the hooking groove 30a and an extension portion 42-1 formed at the lower side of the extension portion 42-1 And an engaging portion 42-2 connected to the inner side 30a-2 of the hook groove 30a.

6, the engaging portion 42-2 is engaged with both side surfaces (L, imaginary lines) of the inner side 30a-2 of the hooking groove 30a so as to be rotatable in one direction And two pairs of vertical portions 42-2a and curved portions 42-2b extending in the longitudinal direction of the outer peripheral surface.

A wrench insertion groove 43a into which a wrench (not shown) can be inserted may be formed on the upper surface of the rotation lever 43.

Hereinafter, the operation of the present invention safety fence described above with reference to the drawings will be described.

FIG. 7 is a view showing a lumbar operation state of a safety fence according to an embodiment of the present invention; FIG.

The connecting hole 42 of the knob 40 is inserted through one opening (see FIG. 3) of the hooking groove 30a of the fastening bar 30, as shown in FIG. 7 (a) Horizontally. In this case, the seat piece 41 is seated on the upper surface of the fastening bar 30, and the fastening protrusion 44 is positioned outside the fastening bar 30.

As shown in FIG. 7 (b), after the knob 40 is horizontally moved to the appropriate position (see FIG. 1) of the fastening bar 30, (Not shown) is inserted into the recess 43a so as to rotate clockwise.

The seating piece 41 rotates 90 degrees in the direction of the arrow as shown in FIG. 7 (b), and a part of the seating piece 41 moves upwardly from the upper surface of the mantle 22 And the bent portion 44-1 of the locking protrusion 44 integrally formed on the lower side of the seat piece 41 rides over the edge edge of the locking bar 30 to lock the hook of the locking bar 30 And inserted into the groove 30a.

When the locking protrusion 44 is inserted into the locking groove 30a of the locking bar 30, the vertical portion 44-2 of the locking protrusion 44 is inserted into the opening 30a of the locking groove 30a -1 so that the connecting port 42 can not rotate in the opposite direction and the curved portion 44-1 of the locking protrusion 44 is also in contact with the entrance side 30a of the hooking groove 30a, 1), the connecting hole 42 is not rotatable in the clockwise direction in contact with the other vertical portion.

According to the safety fence of the present invention as described above, it is possible to prevent a heavy item from falling through a safety fence in a production line, thereby securing the safety of an operator.

As described above, although the present invention has been described with reference to specific embodiments and drawings, it is to be understood that those skilled in the art will appreciate that various modifications, additions and substitutions are possible, It is to be understood that various changes and modifications may be made without departing from the scope of the present invention.

10: extension bar 20: support plate
21: wire net 22: mantle
30: fastening bar 30a: hook groove
30a-1: inlet side 30a-2: inner side
31: seat portion 40: knob
41: seat part 42:
42-1: Extension part 42-2:
42-2a: vertical portion 42-2b:
43: rotation lever 43a: wrench insertion groove
44: Locking device 44-1:
44-2:

Claims

A safety fence provided on a guide rail for guiding the conveyance of a heavy object to prevent the heavy object from falling,
A plurality of extension bars (10) installed on the upper side in such a manner that the upper side is connected to both sides in the longitudinal direction of the guide rail and is erected;
A support plate (20) horizontally disposed on a lower side of the plurality of extension bars (10) to support the weight when the weight is dropped;
A plurality of elongated bars 10 are formed on the upper surface of the seating portion 30a in the longitudinal direction, A fastening bar 30 to which the lower side of the fastening bar 30 is fastened; And
A seating piece 41 mounted on the upper surface of the fastening bar 30 and capable of supporting the upper surface of the supporting plate 20 and a fastening bar 30 projecting from the lower surface of the seating piece 41, And a rotation lever 43 protruding from the upper surface of the seat piece 41. The knob 40 is formed with a through hole 40a formed in the hook groove 30a and rotatable in one direction at 90 degrees.
And a safety fence.

2. The connector according to claim 1, wherein the hooking groove (30a) of the fastening bar (30)
And is open to both sides.

3. The apparatus according to claim 2, wherein the hooking groove (30a) of the fastening bar (30)
Wherein the inlet side (30a-1) is formed to be smaller in width than the inside (30a-2).

4. An apparatus according to claim 3, wherein the inlet side (30a-1) of the catching groove (30a)
Wherein both sides are vertically symmetrical.

The seat according to claim 4, wherein, on the other side of the seat piece (41)
A curved portion 44-1 formed to be curved so that the connecting hole 42 can pass over an edge edge of the fastening bar 30 when the connecting hole 42 rotates at 90 degrees in one direction, and a curved portion 44-1 integrally formed with the curved portion 44-1, (44) formed of a vertical portion (44-2) formed so as to prevent the slider (42) from rotating in the opposite direction.

The connector according to claim 4, wherein the connector (42) of the knob (40)
An extension portion 42-1 located on the inlet side 30a-1 of the catching groove 30a,
And an engaging portion (42-2) integrally connected to the lower side of the extension portion (42-1) and meshing with the inside (30a-2) of the hooking groove (30a).

7. The connector according to claim 6, wherein the engaging portion (42-2)
And two pairs of vertical portions (42-2a) and curved portions (42-2b) extending in the longitudinal direction of the outer circumferential surface thereof.

2. The apparatus according to claim 1, wherein on the upper surface of the rotating lever (43)
Wherein a wrench insertion groove (43a) is formed.

2. The apparatus of claim 1, wherein the support plate (20)
Wherein the safety fence comprises a wire netting (21) and a metal net (22) supported on the inside of the wire netting (21) and seated in a seating part (31) of the tightening bar (30).