WO2015012661A1 - Foothold fixing apparatus - Google Patents

Abstract

The present invention relates to a foothold fixing apparatus, and more particularly, to a foothold fixing apparatus which is included in a temporary installation body installed for working a high place when constructing a structure such as a ship, a building, etc., fixes a support bar for supporting a foothold in the longitudinal direction intersecting with the transverse direction corresponding to the lengthwise direction thereof, and enables footholds adjacent to each other to be stably connected to each other.

Description

Scaffolding fixture

The present invention relates to a scaffolding fixing device, and more particularly included in a temporary body which is installed for the operation of the height of the ship, buildings, etc., when the construction of the structure, the support bar for supporting the scaffolding the scaffold in the longitudinal direction and While fixing in the longitudinal direction that is crossed, and to a stably fixing device to be connected to each other stably adjacent to each other.

Generally, when constructing a ship or a structure such as a building, a temporary body is installed for a height work, and the temporary body is connected to a plurality of scaffolding or footboards to provide a passage to a worker.

However, the construction of such scaffold is to install the scaffold because after connecting the adjacent scaffold in the longitudinal direction in order to connect a plurality of scaffold so as to overlap each other, and then between the scaffold extending in the longitudinal direction using a wire to bind And dismantling is inconvenient.

In addition, since the degree of binding of the wires connecting the scaffold is not uniform, there is a risk that a safety accident occurs due to carelessness of the operator.

On the other hand, according to the Republic of Korea Patent Publication No. 10-397522, there is disclosed a workbench for building construction that a plurality of scaffold is continuously connected in the longitudinal direction crossing the longitudinal direction to implement a safe activity space of the worker.

However, in the case of a workbench for building such construction there is a problem in that the structure of the scaffold itself has to be changed because flanges and channels having a shape corresponding to each other should be provided on both sides of the scaffold.

The present invention has been made to solve the above-described problems, the object of the present invention is included in the temporary body is installed for the height work during construction of ships, buildings, etc., the length of the footrest to the support bar supporting the foothold It is to provide a scaffold fixing device for fixing in the longitudinal direction intersecting the transverse direction in the direction, and to be able to be stably connected to each other adjacent scaffold.

The problem to be solved of the present invention is not limited to those mentioned above, other problems not mentioned will be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, the present invention is a scaffold fixing device for fixing the scaffold in the longitudinal direction intersecting the transverse direction in the longitudinal direction to the support bar for supporting the scaffold forming a temporary body, the scaffold fixing device, A clamping part coupled to the support bar; A connector seated on the scaffold; And it provides a scaffold fixing device comprising a coupling portion for connecting the clamping portion and the connector.

The clamping part according to the present invention is characterized in that it comprises a clamp having a lower end coupled to the support bar, the upper end is rotatably coupled to the binding portion.

The clamp according to the present invention includes first and second clamps opposed to the lengthwise direction of the scaffold, and the first and second clamps each have a fastening piece to which the binding portion is rotatably coupled, and a lower portion thereof. It is characterized in that the coupling space to which the support bar is coupled to one side is formed.

The first and second clamps according to the present invention are extended in a direction in which the other side is opposed to each other and are integrally connected to each other, and each side is bent in an opposite direction or the opposite direction.

The first and second clamps according to the present invention are connected to be in contact with each other, each formed in the form of a plate, or the central portion of the wire having both ends is bent or bent, characterized in that extending from the center portion to each end direction is formed .

The connecting body according to the present invention, the upper plate having both ends, the both ends extending in the longitudinal direction of the footrest; Located in the lower portion of the upper plate, and positioned on the outside of the binding portion to form a separation distance to form a predetermined distance between the footrest and the binding portion, the footrest, a plurality of the footrest is arranged in the longitudinal direction on the support bar Comprising the structure, the spacer portion is located on one side or the other side of the scaffold located on both edges of the scaffolding structure, or is located between the scaffold forming the scaffolding structure, the top plate, one end or the other end is It is characterized in that it is seated on one side or the other upper surface of the scaffold located at the edge of the scaffolding structure, or both ends are seated on one side and the other upper surface between the scaffold forming the scaffolding structure, respectively.

The separation unit according to the present invention, the side plate is formed extending in the downward direction from one end or the other end of the upper plate in contact with the support bar; And one end is connected to the side plate or the top plate, and the other end includes a gap holding plate in contact with the scaffold located on the lower side of the top plate, the gap holding plate is made of a pair, the front, rear end or Each of the upper and rear ends of the upper plate is bent, or by connecting the upper plate and the side plate is characterized in that the inner space penetrating in both directions between the side plate and the upper plate.

The spacing portion according to the present invention is composed of a pair of central plate extending downward from each side of the central portion between both ends of the upper plate, the pair of central plate, between the scaffold forming the scaffolding structure Characterized in that it is located.

The separation unit according to the present invention is further characterized by further comprising a connecting plate for connecting the lower portion of the pair of central plate to form an inner space penetrating in both directions.

The binding unit according to the present invention includes: a first binding unit to which the pair of fastening pieces are rotatably coupled; And a second fastening means, one end of which is positioned on the upper plate and the other end of which penetrates the upper plate and is screwed with the first fastening means, wherein the clamp rotates in association with the rotation of the second fastening means. While being bound to the support bar, it is characterized in that the binding from the support bar.

The first fastening means according to the present invention, both ends are rotatably coupled to the pair of fastening pieces, a hollow is formed in a direction crossing the direction of both ends, the fixing pin is formed on the inner peripheral surface of the hollow thread It includes, The second binding means, characterized in that the upper end is formed in the head portion, the lower end comprises a fastener that is screwed into the hollow through the upper plate.

The binding unit according to the present invention is located on the upper and lower portions of the fixing pin, the upper and lower springs coupled to the outer circumferential surface of the fastener, and the spring is located in the hollow and the connecting piece for connecting the upper and lower springs ; And a stopper coupled to the lower outer circumferential surface of the fastener and preventing the spring from being separated.

The binding unit according to the present invention includes: a first binding unit to which the pair of fastening pieces are rotatably coupled; And an upper end portion located on the upper plate, and a lower end portion passing through the upper plate, the second binding means being screwed to the first binding means, wherein the first binding means is fixed to the pair of fastening pieces. shaft; A lower part is rotatably coupled to the fixed shaft, and an upper part includes a connecting bar that is screwed to the second fastening means through a bottom surface constituting the inner space, and the clamp is configured to rotate the second fastening means. It is characterized in that it is coupled to the support bar while being rotated in conjunction with, or released from the support bar.

The apparatus may further include connecting means for interconnecting a plurality of the upper plates positioned at one side or the other side of each scaffold constituting the scaffolding structure between adjacent top plates, wherein the connecting means has both ends in the longitudinal direction of the scaffolding. A first connection bar extending; And a pair of second connection bars that are bent from both ends of the first connection bar, wherein the upper plate has one or two coupling holes through which the second connection bars are inserted in the up and down directions. do.

According to the present invention, it is included in a temporary body installed for height work during construction of a ship or a building such as a building, and stably fixed in a longitudinal direction intersecting the transverse direction in the longitudinal direction of the scaffold on a support bar supporting the scaffold, Of course, it can be installed, there is an effect that can be stably connected to each other between the adjacent scaffold.

In addition, since the connection between the scaffold is uniform, installation and disassembly can be made quickly and easily, as well as the degree of binding can be made uniformly compared to the binding by wires, thereby reducing safety accidents caused by carelessness of the operator. It works.

The effects of the present invention are not limited to those mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.

1 and 2 are a perspective view and an exploded perspective view showing the foothold fixing device according to the present invention.

Figure 3 is a use state diagram showing a scaffolding structure in a state in which a plurality of scaffold fixed to the support bar using the scaffold fixing device according to the present invention.

4 and 5 are a perspective view and an exploded perspective view showing another example of the clamp in the footrest fixing device according to the present invention.

Figure 6 is a perspective view showing another example of the clamp in the foothold fixing device according to the present invention.

Figure 7 is a perspective view showing another example of the connection in the scaffold fixing device according to the present invention.

8 and 9 are perspective views showing another example of the separation unit in the scaffold fixing device according to the present invention.

Figure 10 is a use state diagram showing the operating state of the clamp according to the adjustment of the fastening portion in the footrest fixing device according to the present invention.

11 and 12 are an exploded perspective view and use state diagram showing another example of the binding unit in the scaffold fixing device according to the present invention.

Figure 13 is a perspective view of the connecting means in the step fixing device according to the invention.

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

1 to 7, the foothold fixing device 1 according to the present invention forms a temporary body 100 and has the footboard 110 in a longitudinal direction on a support bar 130 supporting the foothold 110. Fixing device for fixing in the longitudinal direction intersecting with the transverse direction, the clamping portion 10 is coupled to the support bar 130, the connecting body 20 and the clamping portion 10 seated on the foot plate 110 And a binding unit 30 for connecting the connector 20.

The temporary body 100 may be understood to be installed for a height operation when drying a structure such as a ship or a building. The scaffold 110 has both ends, and includes a general form of scaffolding, a chieftain, and the like extending in both end directions thereof. As shown in FIG. 3, the plurality of scaffolds 110 are arranged in the vertical direction to form the scaffold structure 120, and the scaffold structures 120 form a working path while the plurality of scaffold structures 120 are continuously disposed in the horizontal direction.

The support bar 130 forms a general circular pipe shape, a plurality of which are connected along the circumference of the structure to form a basic frame of the temporary body 100, while supporting the scaffold 110, the scaffold structure 120 To be installed.

The scaffold 110 may be disposed in a singular or plural number in a direction intersecting the longitudinal direction of the support bar 130, and the support bar 130 may be singular or plurally positioned below the scaffold 110. .

The scaffold fixing device 1 allows the scaffold 110 to be stably bound to the support bar 130 supporting the scaffold 110 as shown in FIG. The mutual binding between each scaffold 110 forming a) can be made.

To this end, the clamping part 10 includes a clamp 11 having a lower end coupled to the support bar 130 and an upper end rotatably coupled to the binding part.

The clamp 11 includes first and second clamps 13 and 14 facing in the longitudinal direction of the scaffold 110, and the first and second clamps 13 and 14 are respectively provided at the upper portion of the binding portion ( A pair of fastening pieces 12 to which 30 is rotatably coupled are formed, and a coupling space 11a to which the support bar 130 is coupled is formed at one lower side thereof.

The first and second clamps 13 and 14 have a lower end portion that forms a curved shape surrounding the circumference of the support bar 130, and a coupling space 11a is formed to which the support bar 130 is coupled. It is formed extending in a straight or curved shape in the upward direction in which the fastening piece 12 is located from the bottom constituting the coupling space (11a).

The pair of fastening pieces 12 are opposed to each other, and the binding part 30 is inserted therebetween.

The first and second clamps 13 and 14 are separately manufactured in the form of plates as shown in FIGS. 1 and 2, and are then connected by welding or link coupling.

Alternatively, the first and second clamps 13 and 14 extend in the opposite direction from each other as shown in FIGS. 4 to 5 and are integrally connected to each other.

To this end, the clamp 11 may further include a connecting side plate 16 for connecting the first and second clamps 13 and 14. At this time, the clamp 11 forms a 'c' shape in which one side is opened.

The first and second clamps 13 and 14 may be bent in opposite or opposite directions to each side. This may be understood as to rigidly reinforce one side of the first and second clamps 13 and 14.

Alternatively, the first and second clamps 13 and 14 may be bent or bent as shown in FIG. 6 and be formed to extend from the center to each end direction while being bent or bent.

That is, the first and second clamps 13 and 14 may be connected to each other in a state in which the center portions are folded and in contact with each other while being formed in the direction of both ends from the center portion of the wire having both ends. In this case, the lower ends of the first and second clamps 13 and 14 are connected in a circular shape, and preferably have a relatively wider width than the center part.

The connecting body 20 has both ends, and both ends thereof extend in a direction crossing the horizontal direction of the scaffold 110, and the upper plate 21 and the upper surface 21 seated on an upper surface of one side or the other side of the scaffold 110. Located at the bottom of the upper plate 21 includes a spacer 22 to form a predetermined distance between the footrest 110 and the binding unit 30.

As shown in FIG. 3, the upper plate 21 is formed with one end of both ends extending in the longitudinal direction and seated on the foot plate 110 disposed at the edge of the scaffold structure 120, or both ends thereof in the longitudinal direction. It may be extended and seated on two footrests 110 adjacent to each other. Here, the scaffold disposed on the edge of the scaffold structure 120 is preferably understood to be a scaffold disposed on both ends of the scaffold structure 120.

The binding unit 30 is provided between the both ends of the upper plate 21 when the scaffold fixing device 1 fixes the scaffold 110 disposed at the edge of the scaffold structure 120 to the support bar 130. It is adjacent to the scaffold 110 disposed at the edge of the scaffolding structure 120 while being eccentrically arranged in one end direction about the central portion.

Alternatively, the binding part 30 is disposed between the both ends of the upper plate 21 when the scaffold fixing device 1 fixes the scaffold forming the scaffold structure 120 to the support bar 130. It is located between two scaffold 110 adjacent to each other.

For example, when the scaffold fixing device 1 fixes the scaffold 110 disposed at the edge of the scaffold structure 120 to the support bar 130, the spacer 22 is illustrated in FIG. 2 or FIG. As shown in FIG. 5, the side plate 23 and one end portion formed downwardly extending from one end portion or the other end portion of the upper plate 21 to be in contact with the support bar 130 and the side plate 23 or the upper plate 21. It may be formed from bent from the upper plate 21 may include a spacer plate 24 in contact with the footrest 100 located in the lower portion of the upper plate 21.

The side plate 23 is bent downward from one end or the other end of the upper plate 21, the lower portion is the same as the circumference of the support bar 130 so as to stably contact with the support bar 130 It is preferable to form a curved surface.

The spacer plate 24 forms a plate shape, and as shown in FIGS. 1 and 2, the front and rear ends of the side plate 23 or the top plate 21 as shown in FIGS. 4 to 5. The pair may be bent from the front and rear ends, respectively.

Alternatively, the gap maintaining plate 24 may form an inner space 25 penetrating in the front and rear directions by connecting the side plate 23 and the top plate 21 as shown in FIG. 7.

In this case, it is most preferable that the spacer plate 24 forms a 'b' shape.

The binding unit 30 penetrates the upper and lower directions into the inner space 25, and foreign matters that may flow into the binding unit 30 are blocked by the circumference of the inner space 25. The loosening of the binding part 30, etc. can be prevented.

The scaffold fixing device 1 configured as described above has the top plate 21 seated on the scaffold 110 positioned at the edge of the scaffold structure 120, and the edge of the scaffold structure 120 is supported by the support bar 130. ) Can be fixed.

As a result, the scaffold fixing device 1 may stably fix the scaffold 110 positioned at the edge of the scaffold structure 120 to the support bar 130 as shown in FIG. 3.

Referring to FIGS. 8 to 10, the spaced part 22 is the upper plate when the scaffold fixing device 1 fixes the scaffolding of the scaffold structure 120 to the support bar 130. 21 may be formed of a pair of central plates 26 extending downward from the front and rear surfaces of the central portion.

That is, the pair of central plate 26 is located between each of the scaffold 110 constituting the scaffold structure 120, the upper plate 21 is mounted on both scaffold 110, both ends are adjacent to each other do.

The pair of central plates 26 are in contact with both sides of the footrest 110 adjacent to each other side to maintain a predetermined distance between the binding unit 30 and the footrest 110.

At this time, the spacer 22 is connected to the lower portion of the pair of the central plate 26, as shown in Figure 9 to form an inner space 27 that penetrates in both directions between the upper plate (21) Connection plate 28 may be further included.

As the inner space 27, the binding part 30 passes in the up and down directions, as in the above-described inner space 25, and the binding part 30 is surrounded by a circumference forming the inner space 27. While foreign matters that may be introduced into the block are blocked, the loosening of the binding part 30 may be prevented.

The binding unit 30 is screwed with the first binding means 31 and the first binding means 31 to which the pair of fastening pieces 12 are rotatably coupled, and the clamp 11 according to rotation. ) Is bound to the support bar 130, or includes a second binding means 32 that is released from the support bar 130.

As shown in FIG. 2 or FIG. 5, the first binding means 31 may include a fixing pin 33 to which the clamp 11 is rotatably fixed. For this purpose, the pair of fastening pieces 12 ), A fastening hole 15 into which both ends of the fixing pin 33 is introduced may be formed.

 Here, when the clamp 11 is made of a wire as described above, the fastening hole 15 is understood to be formed while the upper pair of fastening pieces 12 are rolled in a circular shape as shown in FIG. Can be.

The fixing pin 33 has a hollow 33a penetrating in the vertical direction between the two ends, and a thread is formed on the inner circumferential surface of the hollow 33a.

The second binding means 32 is formed of a fastener 34 including a head having a head portion formed at an upper end portion thereof and a bolt having a thread formed on an outer circumferential surface of the lower portion portion thereof.

The fastener 34 has a head 34a positioned on the upper plate 21 and screwed into the hollow 33a while the lower end extends downward through the upper plate 21.

The fastener 34 is idling in the upper plate 21, the fixing pin 33 is raised and lowered the fastener 34 in accordance with the rotation in the tightening or loosening direction of the fastener 34. . To this end, it is a matter of course that the upper plate 21 has a through hole 20a through which the lower side of the fastener 34 passes.

Here, the fixing pin 33 is elevated along the fastener 34 during the tightening rotation of the fastener 34, and conversely along the fastener 34 when the fastening rotation of the fastener 34 is released. It can be understood to descend.

The binding unit 30 may further include a washer 38 coupled to the fastener 34 and positioned below the head 34a.

In addition, the binding portion 30 is located in the upper and lower portions of the fixing pin 33, as shown in Figure 5 and the upper and lower springs (39a, 39b) coupled to the outer peripheral surface of the fastener 34 and A spring 39 including a connecting piece 39c connecting the upper and lower springs 39a and 39b and a stopper 39d coupled to a lower outer peripheral surface of the fastener 34. It may further include.

The lower outer circumferential surface of the fastener 34 is preferably formed with a binding groove 34b to which the stopper 39d is coupled.

The stopper 39d prevents the fastener 34 from being separated from the fixing pin 33, and the upper and lower springs 39a and 39b move in accordance with the up and down movement of the fastener 34. While contracting and relaxing, the up and down movement of the fastener 34 can be made smoothly, while foreign matters, etc. are prevented from flowing into the thread formed in the fastener 34.

As shown in FIG. 10, the foothold fixing device 1 is moved from the state in which the clamp 11 is located in front of the support bar 130 to the support bar 130, and then coupled to the support body 130. Position the 20 to be moved to the rear of the support bar 130.

In addition, when the connector 20 is positioned so that the center portion of the binding portion 30 is positioned on the same vertical line as the center portion of the support bar 130, the clamp 11 is connected to the fastener 34. In accordance with the tightening rotation is lifted with the fixing pin 33 at the same time is rotated around the fixing pin 33 is bound to the support bar 130.

On the contrary, the clamp 11 is lowered together with the fixing shaft 33 according to the release rotation of the fastener 34, and is rotated about the fixing pin 33, thereby being bound from the support bar 130. Is released.

Thus, the scaffold fixing device 1 may stably fix the scaffold 110 to the support bar 130 according to the adjustment of the second binding means 32.

Referring to FIGS. 11 to 12, the first binding means 31 is fixed to the fixed shaft 35 coupled to the pair of fastening pieces 12a, and the lower portion is rotatably coupled to the fixed shaft 35. The upper part includes a connection bar 36 penetrating the bottom surface of the inner spaces 25 and 27.

The second binding means 32 includes a connector 37 whose upper portion is located on the upper plate 21, and whose lower portion is penetrated through the upper plate 21 and screwed with the upper portion of the connecting bar 36.

The connector 37 may be coupled to the upper plate 21 so as to be idling, or coupled to move up and down. In addition, the upper part is formed in a hexagonal shape so that it can be tightened or loosened using another tool, and the lower part is formed with a connection groove 37a in which an opening is formed and a thread is formed inward.

The connection bar 36 has a screw thread formed on the upper outer circumferential surface thereof, and is screwed to the connection groove 37a, and a connection hole 36a is formed on the lower portion thereof to be rotatably coupled to the fixed shaft 35.

As shown in FIG. 12, the foothold fixing device 1 is moved from the state in which the clamp 11 is located in front of the support bar 130 to the support bar 130, and then coupled to the support body 130. Position the 20 to be moved to the rear of the support bar 130.

In addition, when the center of the coupling part 30 is positioned on the same vertical line as the center of the support bar 130 by adjusting the position of the connector 20, the clamp 11 tightens the connector 37. As it is rotated along with the connecting bar 36 and rotates about the fixed shaft 35 at the same time, it is bound to the support bar 130.

That is, the connection bar 36 is moved up and down along the connector 37 during the left, right rotation of the connector 37, that is, the rotation in the tightening, loosening direction. Here, the connection bar 36 is elevated to the connecting groove 37a when the tightening rotation of the connector 37, on the contrary, is understood to be lowered from the connecting groove 37a when the rotation of the connector 37 is released. Can be.

The clamping part 10 is lifted together with the connection bar 36 according to the tightening rotation of the connector 37 and is coupled to the support bar 130 while being rotated about the fixed shaft 35.

On the contrary, the clamping part 10 is lowered together with the connecting bar 36 according to the release rotation of the fastener 34 and rotates about the fixed shaft 35 while the support bar 130 is removed from the support bar 130. Unbound

Thus, the scaffold fixing device 1 may stably fix the scaffold 110 to the support bar 130 according to the adjustment of the second binding means 32.

Referring to FIG. 13, the scaffold fixing device 1 includes a plurality of the upper plates 21 adjacent to each other with the plurality of connecting bodies 20 positioned at one side or the other side of each scaffold 110 forming the scaffold structure 120. It may further comprise a connecting means 40 for interconnecting between).

The connecting means 40 may be made of a wire, and both ends are bent from both ends of the first connecting bar 41 and the first connecting bar 41 extending in the longitudinal direction of the support bar 130. It may include a pair of second connecting bar 42.

The upper plate 21 is formed with one or two coupling holes 21a into which the connection bar 42 is introduced, in the up and down directions.

The top plate 21 may protrude upwardly at one or both ends thereof to form a protruding piece 21c having an inlet groove 21b formed therein.

Preferably, the coupling hole 21a is positioned in front of or behind the protruding piece 21c, and the coupling hole 21a is in communication with the inlet groove 21b.

The height formed by the inlet groove 21b is preferably higher than the thickness of the first connection bar 41 or the same.

The connecting means 40 is a plurality of vertically arranged each connecting body 20 while the pair of second connecting bar 42 is introduced into the coupling hole (21a) formed between the upper plate 21 adjacent to each other Interconnect the livers.

Thus, the scaffold fixing device 1 may be connected to each scaffold 110 constituting the scaffold structure 120 to be fixed to the support bar 130, as well as adjacent connectors 20. Cohesion can provide a safe working environment for workers.

What has been described above is merely an embodiment for implementing the foothold fixing device according to the present invention, the present invention is not limited to the above embodiment, and as claimed in the following claims deviate from the gist of the present invention Without departing from the scope of the present invention, those skilled in the art will have the technical spirit of the present invention to the extent that various modifications can be made.

Claims (14)

As a scaffolding fixing device for fixing the scaffold in the longitudinal direction intersecting the transverse direction in the longitudinal direction to the support bar for supporting the scaffold forming a temporary body, The scaffold fixing device, A clamping part coupled to the support bar; A connector seated on the scaffold; And Scaffold fixing device characterized in that it comprises a coupling for connecting the clamping portion and the connecting body. The method of claim 1, The clamping unit, A lower end portion is coupled to the support bar, the footrest fixing device comprising a clamp coupled to the upper end rotatably to the binding portion. The method of claim 2, The clamp is, A first and second clamps opposed in the longitudinal direction of the scaffolding; The first and second clamps, Fastening pieces are formed in each of the fastening portion is rotatably coupled to the binding portion, the lower side is a footrest fixing device characterized in that the engaging space is formed to be coupled to the support bar. The method of claim 3, wherein The first and second clamps, The other side extends in the opposite direction from the spaced apart state is connected to each other integrally, Scaffold fixing device, characterized in that each side is bent in the opposite direction or the opposite direction. The method of claim 3, wherein The first and second clamps, Connected to each other, Each formed in the form of a plate, Scaffold fixing device characterized in that the central portion of the wire having both ends is bent or bent extending from the central portion in the direction of each end. The method of claim 3, wherein The linking body, An upper plate having both ends, the both ends of which are formed to extend in the longitudinal direction of the footrest; Located in the lower portion of the upper plate, including the separation portion which is located on the outside of the binding portion to form a predetermined distance between the footrest and the binding portion, The scaffold is, A plurality is arranged in the vertical direction on the support bar to form a scaffold structure, The spacing part, It is located on one side or the other side of the scaffold which is located at both edges of the scaffolding structure, Located between the scaffold constituting the scaffolding structure, The top plate, One end or the other end is seated on one side or the other upper surface of the scaffold located at the edge of the scaffolding structure, Scaffold fixing device characterized in that both ends are seated on one side and the other upper surface between the scaffold constituting the scaffold structure. The method of claim 6, The spacing part, A side plate extending downward from one end or the other end of the upper plate to be in contact with the support bar; And One end is connected to the side plate or the top plate, and the other end includes a gap holding plate in contact with the scaffold located on the lower side of the top plate, The gap maintaining plate, Consists of a pair of bent from the front and rear end of the side plate or the front and rear end of the top plate, respectively, Scaffold fixing device characterized in that for connecting the upper plate and the side plate to form an inner space penetrating in both directions between the side plate and the upper plate. The method of claim 6,  The spacing part, Consists of a pair of central plate extending downward from each side of the central portion between both ends of the upper plate, The pair of midplanes, Scaffold fixing device characterized in that located between the scaffold constituting the scaffolding structure. The method of claim 8, The spacing part, And a connecting plate connecting lower portions of the pair of central plates to form internal spaces penetrating in both directions. The method of claim 6, The binding unit, First fastening means to which the pair of fastening pieces are rotatably coupled; And One end is located on the upper plate, the other end includes a second binding means that is screwed with the first binding means through the upper plate, The clamp is, The foot restraint device, characterized in that bound to the support bar while being rotated in conjunction with the rotation of the second binding means, or released from the support bar. The method of claim 10, The first binding means, Both ends are rotatably coupled to the pair of fastening pieces, the hollow is formed in a direction intersecting the direction of both ends, and includes a fixing pin is formed on the inner peripheral surface of the hollow, The second binding means, The head portion is formed in the upper end, the footrest fixing device characterized in that it comprises a fastener which is screwed into the hollow through the upper plate. The method of claim 11, The binding unit, Springs including upper and lower springs positioned at upper and lower portions of the fixing pins and coupled to an outer circumferential surface of the fastener and a connection piece positioned at the hollow and connecting the upper and lower springs; And Is coupled to the lower outer peripheral surface of the fastener, the footrest fixing device characterized in that it further comprises a stopper to prevent the departure of the spring. The method according to claim 7 or 9, The binding unit, First fastening means to which the pair of fastening pieces are rotatably coupled; And The upper end is located on the upper plate, the lower end includes a second binding means that is screwed with the first binding means through the upper plate, The first binding means, A fixed shaft coupled to the pair of fastening pieces; A lower portion is rotatably coupled to the fixed shaft, and an upper portion includes a connection bar which is screwed to the second binding means through a bottom surface of the inner space; The clamp is, The foot restraint device, characterized in that bound to the support bar while being rotated in conjunction with the rotation of the second binding means, or released from the support bar. The method of claim 6, Further comprising a connecting means for interconnecting the plurality of the top plate located on one side or the other side of each scaffold constituting the scaffold structure between the adjacent top plate, The connecting means, First connection bars having both ends extending in the longitudinal direction of the footrest; And It includes a pair of second connection bar is bent from both ends of the first connection bar, The top plate, Scaffolding fixing device characterized in that one or two coupling holes for entering the second connecting bar in the vertical direction.

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