KR200474195Y1

KR200474195Y1 - Goods lift

Info

Publication number: KR200474195Y1
Application number: KR2020140002734U
Authority: KR
Inventors: 강만구
Original assignee: 강만구
Priority date: 2014-04-03
Filing date: 2014-04-03
Publication date: 2014-09-23

Abstract

The present invention relates to a new structure of a cargo elevator of a new structure capable of preventing a safety accident from occurring by accidentally opening a door of a safety fence by mistake.
The cargo elevator according to the present invention is characterized in that the safety fence 4 is provided with door locking devices 10 and 20 so that the upper door locking device 10 or the lower door locking device 20 Is unlocked and the door 5 can be opened. Thus, there is an advantage that a safety accident can be prevented from occurring due to the operator accidentally opening the door of the safety fence by mistake.

Description

Cargo Lift {Goods lift}

The present invention relates to a new structure of a cargo elevator of a new structure capable of preventing a safety accident from occurring by accidentally opening a door of a safety fence by mistake.

Generally, in a multi-story factory, a cargo elevator is used when raising downstairs objects upstairs or downstairs objects downstairs.

FIG. 1 illustrates an example of such a cargo elevator. The cargo elevator includes a cage 2 which is lifted and lowered along a guide rail 1 provided to connect the upper and lower layers, a cage 2 connected to the cage 2, And a safety fence 4 provided on the upper layer and the lower layer.

The hoistway driving device 3 uses a general hoist or various other devices.

The safety fence 4 is provided with a door 5 on one side thereof.

The door 5 includes a pipe shutter 6 composed of a plurality of pipes 6a spaced from each other in the vertical direction and a chain 6b interconnecting the pipes 6a, And a pipe shutter 6 wound around the winding rod 7 when the operator pulls the pipe shutter 6 downward. The pipe shutter 6 is wound around the pipe shutter 6, The pipe shutter 6 is wound around the winding rod 7 so that the entrance is opened when an operator closes an entrance formed in the safety fence 4 while pushing the pipe shutter 6 upward.

Since the structure of the door 5 is the same as that of a commonly used shutter, detailed description thereof will be omitted.

Therefore, when the cage 2 is lifted and stopped at the upper layer or the lower layer, the door 5 can be opened and the cargo can be loaded on the cage 2 or the cargo loaded on the cage 2 can be taken out, Thereby preventing the occurrence of safety accidents.

At this time, the shape and the structure of the safety fence 4 are variously configured to match the structure of the factory.

The structure of such a cargo elevator is described in detail in a number of prior documents including Patent No. 10-1352597, and a detailed description thereof will be omitted.

This freight elevator allows the operator to freely open the door 5 so that the operator 5 accidentally opens the door 5 provided in the upper safety fence 4 when the cage 2 is in the lower layer, Or to completely prevent a safety accident such as collision of the worker with the fallen cage 2 or the cargo falling on the case by opening the lower door 5 when the cage 2 is in the upper layer There was not enough problem.

Therefore, there is a need for a new method to solve such a problem.

It is an object of the present invention to provide a freight elevator of a new structure which can prevent a safety accident by accidentally opening a door of a safety fence accidentally by an operator.

According to an aspect of the present invention, there is provided a cage comprising: a cage (2) lifted and lowered along a guide rail (1) provided so as to connect an upper layer and a lower layer; And a safety fence (4) provided on one side of the safety fence (4), characterized in that the door lock device (10, 10) provided on the safety fence (4) The door locking device according to claim 1, wherein the door locking device comprises: a support frame provided on one side of the safety fence; A key member 40 which is engaged with the door 5 to fix the door 5 so as to prevent the door 5 from being opened when the door member 5 is fastened to the door member 5 and the key member 40 is hinged to one side of the support member 30, (50), wherein the pivoting member (50) has a distal end that is pivotally connected to the cage When the cage 2 is lifted or lowered, the front end of the pivoting member 50 is pushed and rotated by the cage 2 to retract the key member 40 to release the fixing of the door 5 A cargo elevator is provided.

According to another feature of the present invention, the pivoting member 50 includes a support bar 51 fixed to the support base 30, and a hinge bar 52 hingedly coupled to the support bar 51 so as to be vertically rotatable A connecting bar 53 connecting the front end of the hinge bar 52 and the rear end of the key member 40 and a connecting bar 53 extending from the middle portion of the hinge bar 52 toward the cage 2, (54). &Lt; / RTI >

According to another aspect of the present invention, the door locking devices 10 and 20 include an upper door locking device 10 provided on a safety fence 4 provided on an upper layer, a safety fence 4 provided on a lower level, And a pivoting member 50 provided on the upper door locking device 10 is configured such that the hinge bar 52 extends to the upper side of the support bar 51, 54 of the lower door lock device 20 is configured such that the hinge bar 52 extends to the lower side of the support bar 51, (54) is configured such that a distal end portion thereof is inclined downwardly.

According to another aspect of the present invention, there is provided a cargo elevator further comprising an elastic member (41) connected to the key member (40) to press the key member (40) forward.

The cargo elevator according to the present invention is characterized in that the safety fence 4 is provided with door locking devices 10 and 20 so that the upper door locking device 10 or the lower door locking device 20 Is unlocked and the door 5 can be opened. Thus, there is an advantage that a safety accident can be prevented from occurring due to the operator accidentally opening the door of the safety fence by mistake.

1 is a side cross-sectional view showing an example of a conventional cargo elevator,
2 is a side sectional view showing a cargo elevator according to the present invention,
3 and 4 are reference views for explaining the operation of the cargo elevator according to the present invention.

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

2 to 4 show a cargo elevator according to the present invention, which includes a cage 2 which is lifted and lowered along a guide rail 1 provided so as to connect an upper layer and a lower layer, a cage 2 connected to the cage 2, 2 and a safety fence 4 provided on the upper and lower floors respectively and having a door 5 on one side thereof are the same as those of the conventional cargo elevator.

The door 5 includes a pipe shutter 6 composed of a plurality of pipes 6a spaced from each other in the vertical direction and a chain 6b connecting the pipes 6a to each other, And a winding rod 7 which is coupled to the upper side of the formed entrance and on which the pipe shutter 6 is wound around. When the operator pulls the pipe shutter 6 downward, The shutter 6 closes the door formed in the safety fence 4 and the worker pushes the pipe shutter 6 upward so that the pipe shutter 6 is wound around the winding rod 7, .

According to the present invention, the safety fences 4 of the cargo elevator are provided with the door locking devices 10 and 20, and when the cage 2 is stopped in the lower layer, Only the door 5 provided in the upper safety fence 4 is opened when the cage 2 is stopped at the upper level.

The door locking device 10 or 20 includes a door lock unit 10 provided on a safety fence 4 provided on the upper layer and a door lock unit 10 provided on a safety fence 4 provided on a lower layer, And a door lock device (20).

The door locking devices 10 and 20 include a support frame 30 provided on one side of the safety fence 4 and forward and backwardly coupled to the support frame 30 toward the door 5, A key member 40 which is engaged with the door 5 so as to fix the door 5 so as not to be opened and a pivoting member hinged to one side of the support frame 30 so as to be pivotally rotated in the up- 50).

The support base (30) is bolted to the side surface of the safety fence (4) facing the cage (2).

The key member 40 is formed in the shape of a rod of a metallic material bent at the rear end toward the memory and is slidably coupled to the through hole 31 formed to pass through the front and rear surfaces of the support base 30, And is inserted between the pipes 6a of the pipe shutters 6 to fix the pipe shutters 6 so as not to be lifted or lowered.

At this time, the key member 40 is provided with an elastic member 41 for pressing the key member 40 forward.

The elastic member 41 is engaged with the circumferential surface of the key member 40 and its distal end is hooked on the engagement pin 42 provided at the middle portion of the key member 40 to advance the key member 40 toward the distal end portion A compression coil spring is used.

The pivoting member 50 includes a support bar 51 fixed to the support base 30, a hinge bar 52 hingedly coupled to the support bar 51 so as to be vertically pivotable, And a tapered bar 54 extending from the middle portion of the hinge bar 52 toward the cage 2. The connecting bar 53 connects the front end of the key member 40 to the rear end of the key member 40,

The hinge bar 52 extends upward from the support bar 51 and the inclined bar 54 is extended from the upper end of the hinge bar 52 toward the upper side do.

The hinge bar 52 extends downward from the support bar 51 and the inclined bar 54 is inclined downward so that the hinge bar 52 extends downward. .

The operation of such a cargo elevator will be described as follows.

3, when the cage 2 is raised to the upper layer, the circumferential surface of the cage 2 presses the inclined bar 54 of the upper door lock device 10, The upper member 54 and the hinge bar 52 are pivoted upward so that the key member 40 of the upper door lock device 10 is pulled backward.

Therefore, the door 5 located on the upper layer is unlocked, and the operator lifts the pipe shutter 6 provided on the upper layer to open the door 5 provided on the upper safety fence 4 .

When the cage 2 is lowered after the worker closes the pipe shutter 6, the key member 40 of the upper door lock device 10 is pressed against the elastic member 41 And is inserted between the pipes 6a, thereby fixing the pipe shutters 6 so as not to be opened.

4, when the cage 2 is completely lowered to the lower layer, the circumferential surface of the cage 2 presses the inclined bar 54 of the upper door lock device 20, The bar 54 and the hinge bar 52 are pivoted downward so that the key member 40 of the lower door lock device 20 is pulled backward.

Accordingly, the door 5 provided on the lower side is unlocked, and the operator lifts the pipe shutter 6 provided on the lower layer to open the door 5 provided in the safety fence 4 in the lower layer have.

When the cage 2 is lifted after the worker closes the pipe shutter 6, the key member 40 is advanced by the elastic member 41 as shown in Fig. 2, The pipe shutter 6 is fixed so as not to be opened.

The cargo elevator thus constructed is provided with the door locking devices 10 and 20 on the safety fence 4 so that the upper door locking device 10 or the lower door locking device 20 can be locked, It is possible to open the door 5 to prevent the safety accident due to the operator accidentally opening the door of the safety fence by mistake.

In particular, the door locking device 10, 20 includes a support 30 provided at one side of the safety fence 4, and a support bracket 30 which is coupled to the support 30 so as to be movable back and forth toward the door 5, A key member 40 which is engaged with the door 5 so as to fix the door 5 so as not to be opened and a hinge member 40 which is hingedly coupled to one side of the support base 30 so as to be vertically pivotally connected to the key member 40, The hinge member 52 includes a support bar 51 fixed to the support base 30 and a hinge bar 52 hingeably coupled to the support bar 51 to be vertically movable. A connecting bar 53 connecting the front end of the hinge bar 52 and the rear end of the key member 40 and a slope bar 54 extending from the middle portion of the hinge bar 52 toward the cage 2 So that the cage 2 can rotate the tilt bar 54 in the vertical direction to release the locked state of the door 5. [

Therefore, the structure is very simple, the price is very low, and operation reliability is very high.

The door locking devices 10 and 20 include an upper door locking device 10 provided on a safety fence 4 provided on the upper floor and a lower door locking device 10 provided on a safety fence 4 provided on a lower floor The hinge bar 52 extends upward from the support bar 51 and the inclined bar 54 is formed with a front end of the hinge bar 52 upward Wherein the hinge bar 52 extends to the lower side of the support bar 51 and the inclined bar 54 is extended downward from the lower side door lock device 20, So that when the cage 2 is raised or lowered, the locking of the door 5 is smoothly released.

The elastic member 41 for pressing the key member 40 is connected to the key member 40 so that the cage 2 presses the tapered bar 54 to lock the door 5. [ When the cage 2 is raised or lowered in the released state, the key member 40 is automatically advanced by the elastic member 41 to prevent the door 5 from being opened. .

The door 5 includes a pipe shutter 6 composed of a plurality of pipes 6a spaced from each other in the vertical direction and a chain 6b interconnecting the pipes 6a, The door 5 is formed in the shape of a rectangle so that the safety fence 4 is formed in the shape of a rectangular frame, As shown in FIG.

Further, the door 5 may be configured to open and close the door of the safety fence 4 by pushing in the lateral direction.

Thus, the structure of the door 5 can be variously changed.

The door locking devices 10 and 20 are installed in an upper layer door lock device 10 provided in a safety fence 4 provided in an upper layer and a lower layer door lock device 10 provided in a safety fence 4 provided in a lower layer The door locking device 10 or 20 may be installed in either the upper door locking device 10 or the lower door locking device 10 in the case where the safety fence 4 is provided only in one of the upper layer and the lower layer. 20 may be provided.

10. Upper door lock 20. Lower door lock
30. Support 40. Key member
50. Pivot member

Claims

A cage (2) lifted and lowered along a guide rail (1) provided so as to connect the upper layer and the lower layer;
A lifting and driving device (3) connected to the cage (2) to raise and lower the cage (2);
A safety fence 4 provided on the upper or lower layer;
A pipe shutter 6 provided at one side of the safety fence 4 and composed of a plurality of pipes 6a spaced from each other in the vertical direction and a chain 6b connecting the pipes 6a to each other, And a winding rod 7 which is coupled to the upper side of the entrance formed on the pipe 4 and around which the pipe shutter 6 is wound. When the operator pulls the pipe shutter 6 downward, The pipe shutter 6 is wound around the winding rod 7 when the pipe shutter 6 is unwound and the entrance of the safety fence 4 is closed and the operator pushes the pipe shutter 6 upward A door (5) configured to open the doorway; And
A door lock device 10 and 20 composed of an upper door lock device 10 provided on a safety fence 4 provided on the upper layer and a lower door lock device 20 provided on a safety fence 4 provided on a lower level, ; , &Lt; / RTI &
The door locking device 10 or 20 includes a support 30 provided at one side of the safety fence 4 and a door 30 formed at a rear end thereof to bend into a memory, A key member 40 slidably coupled to the through hole 31 to fix the pipe shutter 6 so as to prevent the pipe shutter 6 from being lifted or lowered when the forward end thereof is fitted between the pipes 6a of the pipe shutter 6, A pivoting member 50 hingedly coupled to one side of the supporter 30 so as to be vertically pivotally connected to the key member 40 and a pivot member 50 coupled to a peripheral surface of the key member 40, And an elastic member (41) engaged with a retaining pin (42) provided at an intermediate portion of the key member (40) so as to advance the key member (40)
The pivoting member 50 includes a support bar 51 fixed to the support base 30, a hinge bar 52 hingedly coupled to the support bar 51 so as to be vertically pivotable, And a tapered bar 54 extending from the middle portion of the hinge bar 52 toward the cage 2. The connection bar 53 connects the front end of the hinge bar 52 to the rear end of the key member 40,
The hinge bar 52 extends upward from the support bar 51 and the inclined bar 54 is extended from the upper end of the hinge bar 52 toward the upper side The hinge bar 52 extends downwardly from the support bar 51 and the inclined bar 54 is inclined downward so that the hinge bar 52 is inclined downward. And when the cage 2 is raised or lowered, the distal end portion of the inclined bar 54 is pushed and rotated by the cage 2 to retract the key member 40 to release the fixing of the door 5 doing,
And a cargo elevator.

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