KR102536340B1 - Scaffolding system for installing elevator - Google Patents

Abstract

The present invention relates to a system scaffolding for elevator installation, comprising a scaffolding support that can support and support the scaffold at a specific height part of an elevator hoistway, and the scaffolding support (10) is directed toward the inside of the specific elevator hoistway (1). It includes a main frame 20 to be installed, and the main frame 20 includes vertical beams 22 on both sides that are compatible at intervals on the side of the elevator entrance 7a of the elevator landing 7; Horizontal beams 24 on both sides that are installed to be foldable and unfold side by side from each lower end of the both vertical beams 22 toward the inside of the elevator hoistway 1; inclined beams 26 installed at an angle so as to fix the horizontal beams 24 extending side by side from the vertical beams 22, respectively; A plurality of connecting pipes 28 connecting between the vertical beams 22 on both sides and between the horizontal beams 24 on both sides at regular intervals; It includes a plurality of floor plates 40 forming a floor surface on which the scaffold 3a can be installed inside the elevator hoistway 1, and the inclined beam 26 has a hinge portion 26a in the middle It is composed of a foldable having a, characterized in that the auxiliary belt 25 composed of a flame-retardant fiber rope is further provided to the inclined beam (26).

Description

System scaffolding for elevator installation {SCAFFOLDING SYSTEM FOR INSTALLING ELEVATOR}

The present invention relates to a system scaffolding for elevator installation, and more particularly, in a Machine Room Less elevator without a machine room at the top of a building, when installing scaffolding to install a winch or the like at the top of a hoistway, System scaffolding for elevator installation that can safely and conveniently install scaffolding using standardized system scaffolding, prevents falls from the hoistway during scaffolding installation and dismantling work, and at the same time reduces work man-hours associated with scaffolding installation and disassembly. It is about.

In general, an elevator is installed in a high-rise building to transport people or cargo while moving vertically through each floor.

Such an elevator includes an elevator hoistway formed as a vertical space inside the building, a boarding car for transporting people or cargo while going up and down along the elevator hoistway, and a counter connected to the boarding car by a wire rope to maintain weight balance. It is configured to include a weight, and a lifting device for lifting the boarding car up and down.

The lift device includes a traction machine for lifting the boarding car by a wire rope, a speed governor and a control panel for controlling the boarding car.

A typical elevator has a machine room at the top of a building, and a traction machine, a speed governor, a control panel, and the like are installed inside the machine room.

Accordingly, when installing guide rails or other devices of the boarding car in the hoistway, a traction machine or winch installed inside the machine room may be used.

However, in the case of a so-called Machine Room Less elevator that does not have a separate machine room at the top of the building, a hoisting machine or the like is provided on the lower pit of the hoistway or on the side of the hoistway.

Accordingly, in order to install guide rails, traction machines, speed governors, control panels, etc. (hereinafter collectively referred to as 'elevating device') in the hoistway, a winch must be installed on the upper part of the hoistway, and a scaffolding device must be installed to install the winch. .

1 shows a scaffolding device 3 temporarily installed in an elevator hoistway 1 for this purpose.

The conventional scaffolding device 3 shown in FIG. 1 includes a scaffold 3a installed along the inside of an elevator hoistway 1, and the scaffold 3a includes a plurality of scaffolding pipes 3b and , It is configured to include a scaffolding plate (3c) installed in multiple stages on the scaffolding pipe (3b).

This scaffolding device 3 is installed on the upper part of the hoistway 1 so that the operator can access the upper part of the elevator hoistway 1 through the scaffolding plate 3c.

As a result, it is possible to install various elevator devices in the upper part of the elevator hoistway 1.

The scaffolding device 3 described above is removed after the installation of the lifting device is completed, and may be installed again for inspection and maintenance of the lifting device.

However, the conventional scaffolding device 3 described above has a problem in that the risk of safety accidents is high because the scaffolding must be installed and dismantled in the empty space above the hoistway.

In particular, there is a problem that a large-scale accident occurs when a scaffolding pipe or a scaffolding platform falls down during the installation and removal of scaffolding.

In addition, since the scaffolding pipes must be assembled, installed, and dismantled one by one, there is a disadvantage in that it takes a lot of time to install and dismantle the scaffold.

The present invention is to solve the above conventional problems, and its object is to provide a system scaffolding that can safely and conveniently install the scaffolding on the top of the hoistway when installing a machine room-less elevator.

Another object of the present invention is to ensure structural safety by standardizing system scaffolding installed in an empty upper space of a hoistway.

Another object of the present invention is to minimize the man-hours for installing scaffolding inside a hoistway with a high risk of falling.

Another object of the present invention is to prevent safety accidents that occur during installation and dismantling of scaffolding by enabling safe and convenient installation of systemized scaffolding.

Another object of the present invention is to enable the scaffold to be installed and removed more quickly and conveniently in the elevator hoistway by configuring the scaffold to be directly installed in a desired part of the elevator hoistway.

Another object of the present invention is to improve work efficiency and convenience in construction by enabling scaffolding to be installed and removed more quickly and conveniently in an elevator hoistway.

In order to achieve the above object, the system scaffold according to the first embodiment of the present invention is an elevator installation system scaffold including a scaffold that is installed in an elevator hoistway to install and repair an elevator hoistway, and the scaffold is installed in the elevator hoistway portion. It includes a scaffold support that can support and support the scaffold at a specific height part of the elevator hoistway so that it can be directly installed at a specific height part of the elevator hoistway, and the scaffold support includes a main frame installed toward the inside of the specific elevator hoistway. It is characterized by including.

In addition, the main frame includes a vertical beam on both sides compatible with an interval at the elevator entrance side of the elevator platform; Horizontal beams on both sides that are installed to be foldable and unfold side by side from each lower end of the both vertical beams toward the inside of the elevator hoistway; an inclined beam installed at an angle so as to fix each of the horizontal beams extending side by side from the vertical beams; A plurality of connecting pipes connecting the vertical beams on both sides and between the horizontal beams on both sides at regular intervals to connect the vertical beams and horizontal beams on both sides into one body; It is characterized in that it comprises a plurality of floor plates connecting between the horizontal beams on both sides of the elevator hoistway that are spread side by side inside the elevator hoistway to form a floor surface on which the scaffold can be installed inside the elevator hoistway.

In addition, the inclined beam is composed of a folding type having a hinge part in the middle, so that the horizontal beam is folded together when the horizontal beam is folded toward the vertical beam, and an auxiliary belt composed of a flame-retardant fiber rope is further provided on the inclined beam. to be

In addition, the inclined beam has one end supported by the vertical beam and the other end supported by the horizontal beam horizontally spread from the vertical beam to fix the posture of the horizontal beam spread horizontally from the vertical beam in the diagonal direction. to be characterized

In addition, the connecting pipes are vertical beam side connecting pipes in which one end is detachably supported on one vertical beam and the other end on the other vertical beam, and one end is on one horizontal beam and the other end is on the other horizontal beam. including horizontal beam-side connecting pipes detachably supported; The horizontal beam and vertical beam side connecting pipes are characterized in that they connect the vertical beam and the horizontal beam on both sides into one body at regular intervals.

In addition, the connecting pipes are supported on the vertical beam and the horizontal beam, but are detachably supported on the vertical beam and the horizontal beam by pipe clamp brackets; The pipe clamp bracket includes a beam fixing part fixed to the vertical beam or the horizontal beam and a pipe clamp part to which the connecting pipe is fixed. It is characterized in that it can be fixed or unfixed.

In addition, a first support portion for supporting the vertical beams on both sides to the elevator landing; It is characterized in that it further comprises a second support for supporting the horizontal beams on both sides of the elevator hoistway portion extending from the vertical beams on both sides to the elevator hoistway.

In addition, the first support unit includes an upper support head installed on each of the upper ends of the both vertical beams so that the upper ends of the both vertical beams can be supported in the elevator platform; It characterized in that it comprises a lower support anchor installed at each of the lower ends of the both vertical beams so that the lower ends of the both vertical beams can be supported on the elevator platform.

In addition, the upper support head is fixedly installed at the upper end of both vertical beams, and when both vertical beams are compatible with the elevator entrance side of the elevator platform, supported by the upper peripheral wall portion of the elevator entrance characterized by

In addition, the lower support anchor includes anchor brackets fixedly installed at the lower ends of the both vertical beams; It characterized in that it comprises an anchor bolt for fixing the anchor bracket to the bottom surface of the elevator entrance side of the elevator platform.

In addition, the first support unit connects both vertical beams to each other so that both vertical beams can be supported on the upper peripheral wall portion of the elevator entrance when they are compatible with the elevator entrance side of the elevator platform, and then both side surfaces It is characterized in that it further comprises the vertical beam side connecting pipes protruding and extending in the direction.

In addition, an elastic pad made of rubber is installed on one side of the upper support head supported on the peripheral wall portion of the elevator doorway.

In addition, the second support part is characterized in that it includes horizontal supports on both sides respectively supported on the inner wall of the elevator hoistway while extending from the end portions of the horizontal beams on both sides, respectively.

In addition, it is characterized in that support holes into which each of the horizontal supports can be inserted and supported are formed in the inner wall portion of the elevator hoistway corresponding to each of the horizontal supports.

In addition, each of the horizontal supports is installed to be extendable along the longitudinal direction from the distal end of the horizontal beam by a support clamp bracket, and the support clamp bracket includes a beam fixing part fixed to the horizontal beam, and the horizontal support The support clamp includes a fixed support clamp, and the support clamp has a handcuff-like structure, and is capable of fixing or releasing the horizontal support while being opened and closed as necessary.

In addition, the second support unit connects both horizontal beams to each other so that both horizontal beams can be supported on the inner wall of the elevator hoistway around the elevator entrance side when the both horizontal beams are installed on the elevator hoistway side. It is characterized in that it further comprises the horizontal beam side connection pipe protruding and extending in the lateral direction.

In the system scaffolding according to the second embodiment of the present invention, the second support part includes a vertical plate-shaped wall joint member, and the wall joint member is in close contact with the inner wall of the hoistway.

In addition, the bottom plate provided between both horizontal beams is configured by overlapping the upper plate and the lower plate, and is characterized in that the length is variably adjusted.

In addition, a straddling ring is provided on one side of the upper plate and one side of the lower plate, characterized in that it spans the horizontal beam side connection pipe.

In addition, the auxiliary belt is characterized in that one end is fixed to the vertical beam, the other end is fixed to the inclined beam.

According to the system scaffolding for elevator installation according to the present invention, since the system scaffolding is first installed in the hoistway space and a normal scaffolding device is installed on top of it, there is an effect that the scaffolding can be safely installed when installing a machine roomless elevator. .

In addition, the standardized system scaffolding has the effect of improving structural stability regardless of the operator's function or skill level.

In addition, there is an effect of preventing safety accidents that may occur during installation and removal of scaffolding at the top of the hoistway.

In addition, since the inclined beams installed diagonally are formed in a folding structure, the horizontal beam, the inclined beam, and the vertical beam can be folded into a single body, so that the transport and storage of the scaffold is very simple.

In addition, since the man-hours for installation and removal of scaffolding can be significantly reduced, there is an effect of reducing time and cost associated with installation and removal of scaffolding.

In addition, by further providing an auxiliary belt to the inclined beam, there is an effect of alleviating a phenomenon in which weight is concentrated into the hoistway during installation and dismantling of the scaffold.

In addition, since the length of the bottom plate can be variably adjusted according to the width of the hoistway, there is an effect of improving convenience in use.

1 is a side view showing a conventional scaffolding device for elevator installation;
2 is an exploded perspective view showing a system scaffolding for elevator installation according to a first embodiment of the present invention;
Figure 3 is a perspective view showing the coupling state of Figure 2;
4 is a view showing the process of folding the system scaffold according to the first embodiment of the present invention;
5 is a side view showing a system scaffolding according to a first embodiment of the present invention installed in an elevator hoistway;
6 is a plan view showing a state in which the scaffold support of the system scaffold according to the first embodiment of the present invention is installed in an elevator hoistway;
7 is a view showing a pipe clamp bracket of a system scaffold according to a first embodiment of the present invention;
8 is a view showing a support clamp bracket of a system scaffold according to a first embodiment of the present invention;
9 is a view showing an example of using the system scaffold according to the first embodiment of the present invention;
10 is a perspective view of a system scaffold according to a second embodiment of the present invention;
11 is a view showing a bottom plate according to a second embodiment of the present invention;
12 is a view showing a state in which the system scaffolding according to the second embodiment of the present invention is packed by a wooden frame.

Hereinafter, a preferred embodiment of a scaffolding system for elevator installation according to the present invention will be described in detail with reference to the accompanying drawings.

Since the system scaffold according to the present invention is a separate scaffold from the normal scaffold 3a installed thereon, it will be referred to as 'system scaffold' to distinguish it.

<First Embodiment>

2 to 9 show a first embodiment of the present invention.

Referring first to FIGS. 2 and 3 , the scaffolding system according to the first embodiment of the present invention includes a scaffolding support 10 .

As shown in FIG. 9, the scaffolding support 10 supports and supports the scaffolding 3a, and enables the scaffolding 3a to be installed at a desired height among the parts of the elevator hoistway 1.

In particular, when a winch 5 or the like is to be installed at the top of the hoistway in a machine room-less elevator, the scaffolding support 10 is installed on the upper side of the elevator hoistway 1, and then on the upper surface of the installed scaffolding support 10. Allows direct installation of scaffolding (3a).

Accordingly, when an elevator without a separate machine room is installed at the top of the hoistway, the winch 5 for installing various devices in the hoistway 1 can be safely installed.

As shown in FIGS. 2 to 6 , the scaffolding support 10 includes a main frame 20 installed toward the inside of the elevator hoistway 1 from the elevator landing 7 of the building.

The main frame 20 includes vertical beams 22 on both sides that are compatible at regular intervals, horizontal beams 24 on both sides that are installed to be foldable at the lower ends of the vertical beams 22 on both sides, and , the inclined beams 26 on both sides fixing the horizontal beams 24 spread horizontally from the vertical beams 22 in the diagonal direction, and the vertical beams 22 on both sides and the horizontal beams 24 on both sides at regular intervals It is configured to include a plurality of connecting pipes 28 that connect to each other.

As shown in FIGS. 5 and 6, the vertical beams 22 on both sides are configured to be compatible with the elevator landing 7 of the building at intervals. In particular, it is configured to be compatible with the elevator entrance 7a portion of the elevator landing 7 at intervals.

As shown in FIGS. 4 to 6, the horizontal beams 24 on both sides extend horizontally from the vertical beam 22 of the elevator landing 7 toward the inside of the elevator hoistway 1, and the vertical beam 22 ) is configured to be folded into.

That is, as shown in FIG. 4 , the horizontal beam 24 is configured to be completely folded with respect to the vertical beam 22 .

In addition, as shown in FIG. 5, the horizontal beam 24 is horizontally spread from the vertical beam 22 to the inside of the elevator hoistway 1, so that the vertical beam 22 has a "b" shape. do.

Accordingly, a work space S of a certain size can be formed inside the elevator hoistway 1 between the vertical beam 22 and the horizontal beam 24.

As shown in FIGS. 2 and 3 , the inclined beam 26 has one end supported by the vertical beam 22 and the other end supported by the horizontal beam 24 .

The other end of the inclined beam 26 is supported by a horizontal beam 24 that is horizontally extended from the vertical beam 22, and the inclined beam 26 supported in this way is a horizontal beam that is horizontally extended from the vertical beam 22 ( 24) to maintain this "b" shape.

In addition, the inclined beam 26 is composed of a folding type provided with a hinge portion 26a at an intermediate portion.

Due to the above structure, as shown in FIG. 4, when the horizontal beam 24 is folded, the inclined beam 26 is also folded.

That is, since the horizontal beam 24, the inclined beam 26, and the vertical beam 22 can be folded into a single body, transport and storage of the system scaffolding become very simple.

In addition, an auxiliary belt 25 made of a flame-retardant fiber rope is further provided on the warp beam 26.

By the auxiliary belt 25 provided on the inclined beam 26, it is possible to alleviate a phenomenon in which the weight is concentrated toward the inside of the hoistway during installation and dismantling of the scaffold.

And, as shown in FIGS. 2 to 6, the connecting pipes 28 include vertical beam 22-side connecting pipes 28a and horizontal beam 24-side connecting pipes 28b. do.

The vertical beam 22-side connection pipes 28a have one end detachably supported by one vertical beam 22 and the other end detachably supported by the other vertical beam 22.

The connecting pipes 28b on the horizontal beam 24 side have one end detachably supported by one horizontal beam 24 and the other end detachably supported by the other horizontal beam 24.

The vertical beam 22 side and the horizontal beam 24 side connection pipes 28a and 28b connect the vertical beam 22 and the horizontal beam 24 at regular intervals on both sides, and a plurality of connections thus connected. The pipes 28 allow both vertical beams 22 and horizontal beams 24 to be assembled into one body at regular intervals.

In particular, both vertical beams 22 and horizontal beams 24 can be installed toward the elevator hoistway 1 from the elevator landing 7 while maintaining one body.

The connecting pipes 28 are supported by the vertical beam 22 and the horizontal beam 24, but are supported by a separate pipe clamp bracket 30.

As shown in FIG. 7, the pipe clamp bracket 30 includes a beam fixing part 32 fixed to the vertical beam 22 or horizontal beam 24 and a pipe clamp part to which the connecting pipe 28 is fixed. (34).

The pipe clamp unit 34 has a handcuff-like structure and is configured to fix or release the connection pipe 28 while being opened and closed as needed.

And referring to FIGS. 2, 3 and 9, the main frame 20 further includes a plurality of bottom plates 40 installed between both horizontal beams 24.

The bottom plates 40 may be made of aluminum or hard anodized rectangular metal plates, and fixing parts 42 are provided at both four corner portions.

The fixing parts 42 include a hook 44 and a clamp 46, and the fixing parts 42 configured in this way are fixed to the horizontal beams 24 on both sides facing each other or to the connecting pipe 28, etc. configured to be fixed.

These bottom plates 40 are supported by horizontal beams 24 on both sides, connecting pipes 28, etc., so that both horizontal beams 24 of the main frame 20 facing each other are connected to each other.

As shown in FIG. 9 , the bottom plates 40 having the above structure form the bottom surface of the work space S formed between the horizontal beams 24 on both sides of the main frame 20 .

Accordingly, it is possible for the operator to step on the floor plate 40 of the work space (S) and work, and to install the scaffolding (3a) in the work space (S).

Again, referring to FIGS. 2 to 6 , the main frame 20 includes a first support part 50 for supporting the vertical beams 22 on both sides of the elevator landing 7.

The first support part 50 includes an upper support head 52 for supporting the upper ends of both vertical beams 22 to the elevator landing 7, and the lower ends of both vertical beams 22 to the elevator landing 7. ) Equipped with a lower support anchor 54 for supporting.

The upper support head 52 is fixedly installed at the upper end of both vertical beams 22, respectively, when both vertical beams 22 are installed on the elevator doorway 7a side of the elevator platform 7 In, it is configured to be supported on the upper peripheral wall portion of the elevator doorway (7a).

Therefore, the upper ends of both vertical beams 22 can be supported on the elevator landing 7, thereby preventing the both vertical beams 22 from moving from the elevator landing 7 to the elevator hoistway 1. limit

Here, an elastic pad 52a made of rubber is installed on a portion of the upper support head 52 supported on the peripheral wall portion of the elevator doorway 7a.

The elastic pad 52a serves to increase the bearing capacity of the wall portion around the elevator doorway 7a and to prevent slipping of the wall portion.

The lower support anchor 54 includes anchor brackets 54a fixedly installed at the lower ends of both vertical beams 22 and the anchor brackets 54a at the elevator entrance of the elevator platform 7 ( 7a) It is configured to include an anchor bolt (54b) fixed to the side bottom surface.

These lower support anchors 54 fix the lower ends of both vertical beams 22 to the floor of the elevator landing 7. Therefore, the upper and lower portions of both vertical beams 22 together with the upper support head 52 are fixed to the elevator landing 7.

As a result, both vertical beams 22 are fundamentally restricted from moving from the elevator landing 7 to the elevator hoistway 1.

On the other hand, it is preferable that the first support part 50 further includes vertical beam 22-side connection pipes 28a connecting upper ends of both vertical beams 22 .

The vertical beam 22-side connecting pipes 28a connect both vertical beams 22 to each other, but protrude and extend in the lateral direction of both vertical beams 22.

As shown in FIGS. 5 and 6, the connecting pipes 28 extending in this way, when the both vertical beams 22 are installed on the elevator entrance 7a side of the elevator landing 7, the elevator entrance ( 7a) to be supported on the upper peripheral wall part.

Therefore, the upper ends of both vertical beams 22 can be supported on the elevator landing 7, thereby preventing the both vertical beams 22 from moving from the elevator landing 7 to the elevator hoistway 1. limit

Again, referring to FIGS. 2 to 6, the main frame 20 is a device for supporting the horizontal beams 24 on both sides of the elevator hoistway 1 installed inside the elevator hoistway 1. It includes two support parts (60).

The second support part 60 includes horizontal supports 62 respectively installed on the horizontal beams 24 on both sides.

The horizontal supports 62 are configured to be installed so as to be extendable along the longitudinal direction from the end portions of both horizontal beams 24 .

That is, the length of the hoistway 1 can be variably adjusted according to the width of the hoistway 1 . For example, the horizontal support 62 may have a variable length in the range of 800 to 1,200 mm.

These horizontal supports 62 extend in the longitudinal direction of both horizontal beams 24 and are respectively supported on the corresponding inner walls 1a of the elevator hoistway 1.

Therefore, the end portions of both horizontal beams 24 can be stably supported on the inner wall 1a of the elevator hoistway 1.

As a result, the horizontal beams 24 on both sides can maintain a stable state inside the elevator hoistway 1. In particular, it is possible to maintain a stable state while unfolding on the vertical beam (22).

As a result, when the operator installs the scaffold 3a in the work space S above the horizontal beam 24 (see FIG. 10), it is possible to work while maintaining a stable posture without movement.

In addition, support holes 1b may be formed in the inner wall 1a of the elevator hoistway 1 corresponding to each of the horizontal supports 62 .

The support holes 1b are configured such that the horizontal supports 62 of the scaffold support 10 are inserted and supported.

These support holes (1b) increase the bearing capacity of the horizontal supports (62) for the inner wall (1a) of the elevator hoistway (1). Therefore, the scaffold support 10 can be stably installed in the elevator hoistway 1.

On the other hand, each horizontal support 62, doedoe extendable along the longitudinal direction to the horizontal beam 24, is installed by a separate support clamp bracket (64).

As shown in FIG. 8, the support clamp bracket 64 includes a beam fixing part 64a fixed to the horizontal beam 24 and a support clamp part 64b to which the horizontal support 62 is fixed. It consists of

The support clamp part 64b has a handcuff-like structure and is configured to fix or release the horizontal support 62 while being opened and closed as needed.

Referring again to FIGS. 2 to 6 , the second support part 60 further includes a horizontal beam 24-side connection pipe 28b connecting the front ends of both horizontal beams 24 .

The horizontal beam 24-side connecting pipe 28b connects both horizontal beams 24 to each other, but protrudes and extends in the lateral direction of both horizontal beams 24.

As shown in FIGS. 5 and 6, the connecting pipe 28 extending in this way is around the elevator doorway 7a side when both horizontal beams 24 are installed horizontally on the elevator hoistway 1 side. It is configured to be supported on the inner wall (1a) portion of the elevator hoistway (1) of.

Therefore, the front ends of both horizontal beams 24 can be stably supported on the elevator landing 7, and at the same time, the both horizontal beams 24 move from the elevator hoistway 1 to the elevator landing 7. limit what you want to do

Meanwhile, as shown in FIG. 5 , a support piece 32a is protruded from the pipe clamp bracket 30 on the side of the connecting pipe 28b of the second support part 60 .

The support piece 32a protrudes downward from the beam fixing part 32 of the pipe clamp bracket 30, and the protruding support piece 32a has both horizontal beams 24 in the elevator hoistway 1 ) When installed horizontally on the side, it is configured to be supported at the corner of the inner wall 1a of the elevator hoistway 1 on the elevator doorway 7a side.

Therefore, the front ends of both horizontal beams 24 can be stably supported on the elevator landing 7, and at the same time, the both horizontal beams 24 move from the elevator hoistway 1 to the elevator landing 7. limit what you want to do

Hereinafter, the installation process of the scaffolding system for elevator installation according to the present invention will be described.

First, as shown in FIG. 5, the vertical beam 22 is positioned on the platform 7 side.

Then, the connection pipe 28 is horizontally supported on the wall of the platform 7, and the lower part of the vertical beam 7 is fixed to the floor of the platform 7.

Then, the horizontal beam 24 and the inclined beam 26 are spread toward the inside of the hoistway 1 so that the horizontal beam 24 is in a horizontal state.

Subsequently, the length of the horizontal beam 24 is adjusted according to the width of the hoistway 1, the bottom plate 40 is installed on the horizontal beam 24, and the inclined beam 26 is fixed in the diagonal direction.

In addition, the end of the horizontal beam 24 is fixed to the support hole 1b formed in the inner wall 1a of the hoistway.

Then, as shown in FIGS. 5 and 6 , the system scaffolding according to the present invention is stably supported in the hoistway, so that the operator can work on the floor plate 40 .

Subsequently, as shown in FIG. 9, a conventional scaffolding 3a is installed on top of the system scaffolding, and then a device such as a winch 5 is installed at a required position in the hoistway 1.

When the installation of the lift device is completed, the scaffolding (a) is dismantled first, and then the system scaffolding is dismantled.

The order of disassembly of the system scaffolding can be carried out in the reverse order of installation.

And when the dismantling of the system scaffolding is completed, as shown in FIG. 4, the horizontal beam 24, the inclined beam 26 and the vertical beam 22 are folded into one body.

<Second Embodiment>

10 to 12 show a second embodiment of the present invention.

System scaffolding according to the second embodiment of the present invention is to change the structure of the second support part 60 and the bottom plate 40 in the above-described first embodiment.

That is, as shown in FIG. 10, the support part of the second embodiment includes a vertical plate-shaped wall joint member 60a, and the wall joint member 60a adheres to the inner wall of the hoistway 1.

In addition, as shown in FIG. 11, the bottom plate 40 provided between both horizontal beams 24 is configured so that the upper plate 40a and the lower plate 40b overlap, and the length is variably adjusted.

In addition, one side of the upper plate 40a and one side of the lower plate 40b are provided with a hook 40c, and the hook hook spans the horizontal beam side connecting pipe 28b.

In addition, the auxiliary belt 25 of the second embodiment has one end fixed to the vertical beam 22 and the other end fixed to the inclined beam 26.

And, as shown in FIG. 12, the system scaffolding according to the present invention is preferably packaged one set at a time using a wooden frame (F).

According to the method described above, the transportation and storage of the system scaffolding becomes very simple.

Since other matters are the same as those of the above-described first embodiment, redundant descriptions will be omitted.

In the conventional scaffolding installation method shown in FIG. 1, only the scaffolding device 3 is installed in the empty space above the hoistway, and there is a problem that safety accidents are highly likely to occur during installation and disassembly of the scaffolding device 3.

In particular, in the case of a machine roomless elevator, since the scaffolding device 3 must be installed on the top floor of the hoistway 1 in order to install the winch 5, there is a possibility of a major accident.

On the other hand, in the present invention, as shown in FIG. 9, the system scaffolding is first installed in the empty space above the hoistway, and the scaffolding device 3 is installed on top of the system scaffolding.

Accordingly, when installing the machine roomless elevator, the scaffold can be safely installed at a desired location on the upper part of the hoistway, thus preventing safety accidents occurring when installing and dismantling the scaffolding on the upper part of the hoistway.

In addition, since the inclined beams installed diagonally are formed in a folding structure, the horizontal beam, the inclined beam, and the vertical beam can be folded into one body.

This makes it easy to transport and store the scaffold, and it is possible to improve the convenience of work.

In addition, safety can be further improved by preventing a weight bias to the inside of the hoistway when scaffolding is installed and dismantled by an auxiliary belt provided on the inclined beam.

In addition, since the length of the floor plate can be variably adjusted according to the size of the hoistway, convenience in use can be improved.

In the above, preferred embodiments of the present invention have been described by way of example, but the scope of the present invention is not limited only to these specific embodiments, and can be appropriately changed within the scope described in the claims.

1: elevator hoistway 3: scaffolding
3a: Scaffolding 7: Elevator platform
7a: elevator entrance 10: scaffold support
20: Main Frame 22: Vertical Beam
24: horizontal beam 25: auxiliary belt
26: inclined beam 26a: hinge part
28: connection pipe (Pipe) 28a: vertical beam side connection pipe
28b: horizontal beam side connection pipe
30: Pipe Clamp Bracket
32: beam fixing part 34: pipe clamp part
40: bottom plate 40a: top plate
40b: lower plate 50: first support
52: upper support head (Head) 52a: elastic pad (Pad)
54: lower support anchor (Anchor) 54a: anchor bracket (Anchor Bracket)
54b: anchor bolt 60: second support
60a: wall joint member 62: horizontal support
64: support clamp bracket
64a: beam fixing part 64b: support clamp part
F: Wood Frame S: Workspace

Claims (18)

delete delete In the scaffolding system for elevator installation, including a scaffold (3a) installed on the elevator hoistway (1) to install or repair the elevator hoisting device,
Scaffold support 10 capable of supporting and supporting the scaffold 3a at a specific height portion of the elevator hoistway 1 so that the scaffold 3a can be directly installed at a specific height portion of the elevator hoistway 1 ),
The scaffold support 10 includes a main frame 20 installed toward the inside of the elevator hoistway 1,
The main frame 20,
Both vertical beams 22 compatible at intervals on the elevator doorway 7a side of the elevator landing 7;
Horizontal beams 24 on both sides that are installed to be foldable and unfold side by side from each lower end of the both vertical beams 22 toward the inside of the elevator hoistway 1;
inclined beams 26 installed at an angle so as to fix the horizontal beams 24 extending side by side from the vertical beams 22, respectively;
By connecting between the vertical beams 22 on both sides and between the horizontal beams 24 on both sides at regular intervals, the vertical beams 22 and the horizontal beams 24 on both sides are connected as one body. A plurality of connecting pipes 28 and;
Forming a floor surface on which the scaffold 3a can be installed inside the elevator hoistway 1 by connecting between the horizontal beams 24 on both sides spread side by side inside the elevator hoistway 1 Including a plurality of bottom plates 40,
The inclined beam 26 is composed of a foldable structure having a hinge portion 26a in the middle, and is folded as the horizontal beam 24 is folded toward the vertical beam 22,
An auxiliary belt 25 made of a flame-retardant fiber rope is further provided on the warp beam 26,
The inclined beam 26,
One end is supported by the vertical beam 22, and the other end is supported by the horizontal beam 24 horizontally spread from the vertical beam 22,
Fixing the attitude of the horizontal beam 24 horizontally spread from the vertical beam 22 in the diagonal direction,
The connecting pipes 28 are
Vertical beam 22-side connection pipes 28a having one end detachably supported by one vertical beam 22 and the other end detachably supported by the other vertical beam 22,
It includes connecting pipes 28b on the side of the horizontal beam 24, one end of which is detachably supported by the horizontal beam 24 on one side and the other end on the horizontal beam 24 on the other side;
The horizontal beam 24 and the vertical beam 22 side connection pipes 28a are for elevator installation, characterized in that for connecting the vertical beam 22 and the horizontal beam 24 on both sides into one body at regular intervals. system scaffolding. According to claim 3,
The connecting pipes 28 are
It is supported on the vertical beam 22 and the horizontal beam 24, and is detachably supported on the vertical beam 22 and the horizontal beam 24 by the pipe clamp bracket 30;
The pipe clamp bracket 30,
It includes a beam fixing part 32 fixed to the vertical beam 22 or horizontal beam 24 and a pipe clamp part 34 to which the connecting pipe 28 is fixed,
The pipe clamp part 34 has a handcuff-like structure, and the scaffolding system for elevator installation, characterized in that it can fix or release the connection pipe 28 while opening and closing. According to claim 4,
a first support part 50 for supporting the vertical beams 22 on both sides to the elevator landing 7;
An elevator further comprising a second support part 60 for supporting the horizontal beams 24 on both sides extending from the vertical beams 22 on both sides to the elevator hoistway 1 to the elevator hoistway 1 portion System scaffolding for installation. According to claim 5,
The first support part 50,
Upper support heads 52 installed on the upper ends of the both vertical beams 22 to support the upper ends of the both vertical beams 22 on the elevator platform 7;
Elevator characterized in that it comprises a lower support anchor 54 installed at each of the lower ends of the both vertical beams 22 so that the lower ends of the both vertical beams 22 can be supported on the elevator platform 7 System scaffolding for installation. According to claim 6,
The upper support head 52,
It is fixedly installed at the upper end of both vertical beams 22, respectively, and when both vertical beams 22 are compatible with the elevator entrance 7a side of the elevator platform 7, the elevator entrance 7a System scaffolding for elevator installation, characterized in that supported on the upper peripheral wall portion of. According to claim 7,
The lower support anchor 54,
anchor brackets 54a fixedly installed at the lower ends of both vertical beams 22;
System scaffolding for elevator installation, characterized in that it comprises an anchor bolt (54b) for fixing the anchor bracket (54a) to the bottom surface of the elevator entrance (7a) side of the elevator landing (7). According to claim 8,
The first support part 50,
When the both vertical beams 22 are compatible with the elevator doorway 7a side of the elevator platform 7, the both vertical beams 22 can be supported on the upper peripheral wall portion of the elevator doorway 7a. System scaffolding for elevator installation, characterized in that it further comprises connecting pipes (28a) on the side of the vertical beam (22) protruding and extending in both side directions after connecting them to each other. According to claim 9,
System scaffolding for elevator installation, characterized in that an elastic pad (52a) of rubber material is installed on one side of the upper support head (52) supported on the wall portion around the elevator doorway (7a). According to claim 5,
The second support part 60,
System scaffolding for elevator installation, characterized in that it comprises horizontal supports (62) on both sides respectively supported on the inner wall (1a) of the elevator hoistway (1) while extending from the end portions of the horizontal beams (24) on both sides. According to claim 11,
Characterized in that support holes 1b into which each of the horizontal supports 62 can be inserted and supported are formed in the inner wall 1a of the elevator hoistway 1 corresponding to each of the horizontal supports 62. System scaffolding for elevator installation. According to claim 12,
Each of the horizontal supports 62,
It is installed to be extendable along the longitudinal direction from the distal end of the horizontal beam 24 by the support clamp bracket 64,
The support clamp bracket 64,
It includes a beam fixing part 64a fixed to the horizontal beam 24 and a support clamp part 64b to which the horizontal support 62 is fixed,
The support clamp part (64b) has a handcuff-like structure, and the horizontal support (62) can be fixed or released while being opened and closed. According to claim 13,
The second support part 60,
When the both horizontal beams 24 are installed on the side of the elevator hoistway 1, they can be supported on the inner wall 1a of the elevator hoistway 1 near the elevator doorway 7a. System scaffolding for elevator installation, characterized in that it further comprises a connecting pipe (28b) on the side of the horizontal beam (24) protruding and extending in both side directions after connecting the horizontal beams (24). According to claim 5,
The second support part 60 is configured to include a vertical plate-shaped wall joint member 60a,
The wall joint member (60a) is an elevator installation system scaffold, characterized in that in close contact with the inner wall of the hoistway (1). According to claim 15,
The floor plate 40 provided between both horizontal beams 24 is configured so that the upper plate 40a and the lower plate 40b overlap, and the length is variably adjusted. Scaffolding system for elevator installation. According to claim 16,
System scaffolding for elevator installation, characterized in that a straddling hook (40c) is provided on one side of the upper plate (40a) and one side of the lower plate (40b) and spans the horizontal beam side connection pipe (28b). According to claim 3,
The auxiliary belt 25 is a scaffolding system for elevator installation, characterized in that one end is fixed to the vertical beam 22 and the other end is fixed to the inclined beam 26.

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