JPH0710227U - Work platform - Google Patents

Abstract

(57) [Abstract] [Purpose] An object is to provide an aerial workbench that does not have a gap through which humans can pass in response to interaction with a structure. [Structure] A first scaffolding plate 2 and a second scaffolding plate 3 are slidably attached in a lengthwise direction, and posts are provided on the first scaffolding plate 2 and the second scaffolding plate 3 along the lengthwise direction. In an aerial work platform 1 in which the member 4 is engaged and attached, and the handrail 5 is attached to the post member 4, the post member 4 has a first engaging portion which engages with the first scaffold plate 2. 9 and a second engaging portion 10 that engages with the second scaffolding plate 3 are provided.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an aerial work platform that is temporarily installed to perform aerial work at a building construction site, for example.

[0002]

[Prior art]

 Conventionally, a first scaffolding plate and a second scaffolding plate are slidably attached, and a plurality of post members are fixed to the side surfaces of the first scaffolding plate and the second scaffolding plate at predetermined intervals in the longitudinal direction. However, there is an aerial work platform in which the lower end of the handrail is attached to the post member.

[0003]

[Problems to be solved by the device]

 However, in the conventional work platform for aerial work, the post members to which the handrails are attached are fixed to the first and second scaffolding plates at fixed intervals, so when the handrails are removed and replaced due to the relationship with the structure. In addition, there may be a gap between the structure and a person so that a person can pass through.

Further, when the handrail is replaced, the lower end of the handrail moves to a place without the post member, and the lower end must be used without being held, and the holding of the handrail becomes incomplete. .

The present invention has been made in view of the above circumstances, and the post members are engaged with arbitrary positions in the longitudinal direction of the first and second scaffold plates in correspondence with the lower ends of the handrails. The purpose of the present invention is to provide a high work platform that can be mounted in place, and thus there is no gap for humans to pass through in correspondence with the structure, and the handrails can be completely retained. And

[0006]

[Means for Solving the Problems]

 The aerial work platform of the present invention has a first scaffolding plate and a second scaffolding plate slidably mounted in the longitudinal direction, and is attached to the first scaffolding plate and the second scaffolding plate along the longitudinal direction thereof. A post member with a handrail attached to the post member, and the post member includes a first engaging portion that engages with the first scaffolding plate. , A second engaging portion that engages with a second scaffold plate, and selectively uses the first engaging portion and the second engaging portion to move the post member to the first engaging portion. The scaffolding plate or the second scaffolding plate is attached at an arbitrary position in the length direction.

[0007]

[Action]

 According to the aerial work platform of the present invention, the post member is selectively used in the longitudinal direction of the first scaffold plate or the second scaffold plate by selectively using the first engaging portion and the second engaging portion. Attach the handrail to the post member by attaching it to any position of. That is, by moving the post members to the lengths of the first and second scaffold plates in accordance with the relationship with the structure, and by attaching the post members by engaging with these scaffold plates, It is possible to avoid gaps. Therefore, it is possible to significantly improve the safety of high-place work such as building construction.

Further, since the post member is provided with the first and second engaging portions, when the handrail is transferred, the lower end portion of the handrail is moved from the first or second scaffold plate to the second or second scaffold plate. Even if it moves to the first scaffolding plate, the post member can be attached to the first or second scaffolding plate by selectively using the first or second engaging portion. Therefore, the post members can be attached so as to correspond to the lower ends of the handrails, and the handrails can be held completely.

[0009]

【Example】

 An aerial work platform according to an embodiment of the present invention will be described below with reference to the drawings.

As shown in FIGS. 1 to 3, in an aerial work platform 1 of this embodiment, second scaffolding plates 3 are attached to both ends of a first scaffolding plate 2 slidably in the longitudinal direction. The post member 4 is engaged and attached to the side surfaces of the first scaffolding plate 2 and the second scaffolding plate 3, and the handrail 5 is attached to the post member 4.

The first scaffolding plate 2 has a frame 6 having a substantially U-shaped cross section fixed to both side faces thereof, and the second scaffolding plate 3 has a frame 6 on both side faces thereof. The frame 7 that is inserted so that it can move back and forth is fixed, and by moving the frame 7 back and forth within the frame 6, as described above, the first scaffolding plate 2 and the second scaffolding plate 3 are mutually extended. It is slidable in the direction.

The handrail 5 is expandable and contractable in the sliding direction of the second scaffolding plate 3 as a whole by inserting the small diameter pipes 5b into both ends of the large diameter pipe 5a. When 4 is moved along the first and second scaffold plates 2 and 3, the length of the handrail 5 can be expanded or contracted correspondingly.

As shown in FIGS. 4 and 5, the post member 4 includes a cylindrical socket 8 into which a lower end portion of the handrail 5 is inserted, and a frame 6 located on a side surface of the first scaffold plate 2. A first engaging portion 9 that engages and a second engaging portion 10 that engages with the frame 7 located on the side surface of the second scaffolding plate 3 are provided.

The structure of the first engaging portion 9 will be described.

Two side plates 11 each having a notch 11 a having a shape corresponding to the vertical dimension of the frame 6 of the first scaffold plate 2 are installed in parallel, and plate-shaped so as to connect the upper parts of the side plates 11 to each other. The members 12 and 13 are fixed in parallel. A nut 15 is sandwiched between the plates of the plate-shaped members 12 and 13, and a nut rotation preventing member 15a is fixed around the nut 15. A bolt 16 is screwed into the nut 15 through the plate-shaped members 12 and 13 with the head of the bolt 16 facing downward from the notch 11a side of the side plate 11. A knob 17 for rotating the bolt 16 is fixed to the upper end of the bolt 16.

A pair of guide members 20 are fixed between the upper portions of the side plates 11 in parallel with the axis of the bolt 16, and a moving member 18 is engaged with the guide members 20 so as to be vertically movable. There is. That is, the moving member 18 has side plates 18a and 18b on both sides, and these side plates 18a are positioned between the guide members 20 so that the moving member 18 can be moved along the guide members 20. . The moving member 18 is locked to the bolt 16 by a locking piece 14 welded to the moving member 18 so as to sandwich the head of the bolt 16. Therefore, when the knob 17 is rotated to move the bolt 16 forward and backward, the moving member 18 moves up and down.

A fixed plate 19 is fixed between the lower portions of the side plates 11 so as to face the moving member 18. The frame 6 of the first scaffolding plate 2 is positioned between the fixed plate 19 and the moving member 18, and the frame 6 is held by the fixed plate 19 and the moving member 18.

Next, the structure of the second engaging portion 10 will be described.

The two side plates 11 arranged in parallel are formed with notches 11 b having a shape corresponding to the vertical dimension of the frame 7 of the second scaffold plate 3, and the upper portions of these side plates 11 are The plate-shaped members 22 and 23 are fixed in parallel so as to be connected. A nut 25 is sandwiched between the plates of the plate-shaped members 22 and 23, and a nut rotation preventing member 25a is fixed around the nut 25. A bolt 26 is screwed into the nut 25 through the plate-shaped members 22 and 23 with the head of the bolt 26 facing downward from the side of the notch 11b of the side plate 11. A knob 27 for rotating the bolt 26 is fixed to the upper end of the bolt 26.

A pair of guide members 30 are fixed between the upper portions of the side plates 11 in parallel with the axis of the bolt 26, and a moving member 28 is engaged with the guide members 30 so as to be vertically movable. There is. That is, the moving member 28 has side plates 28a and 28b on both sides, and the moving members 28 can be moved along the guide member 30 by positioning these side plates 28a and 28b between the guide members 30. I am trying. The moving member 28 is locked to the bolt 26 by a locking piece 24 welded to the moving member 28 so as to sandwich the head of the bolt 26. Therefore, when the knob 27 is rotated to move the bolt 26 forward and backward, the moving member 28 moves up and down.

A fixed plate 29 is fixed between the lower portions of the side plates 11 so as to face the moving member 28. The frame 7 of the second scaffolding plate 3 is positioned between the fixed plate 29 and the moving member 28, and the frame 7 is held by the fixed plate 29 and the moving member 28.

According to the aerial work platform of the present embodiment, the post member 4, the first engaging portion 9 or the second engaging portion 10 thereof, the frame 6 of the first scaffolding plate 2, or the second engaging portion 9 is used. It is provided facing the frame 7 of the scaffolding plate 3 of. The frames 6 and 7 are sandwiched between the fixed plates 19 and 29 and the movable members 18 and 28, and the knobs 17 and 27 are rotated to project the bolts 16 and 26, so that the fixed plates 19 and 29 and the movable members 18 and 28 are joined. Holding the frames 6 and 7, the post member 4 is fixed to the first or second scaffolding plates 2 and 3.

Therefore, the post member 4 can be attached to any position in the longitudinal direction of the first and second scaffolding plates 2 and 3, and it is necessary to move the position of the handrail 5 in relation to the structure. Even when the handrail 5 is used, the handrail 5 can be attached at an appropriate position without causing a gap through which a person can pass. As a result, it is possible to significantly improve the safety of high-place work at a building construction site.

Moreover, since the post member 4 is provided with the first engaging portion 9 and the second engaging portion 10, the lower end portion of the handrail 5 is located from the first scaffold plate 2 side to the first engaging portion 9 side. Even if the post member 4 is moved to the scaffolding plate 3 side, the post member 4 is turned over so that the second engaging portion 10 faces the second scaffolding plate 3 and the post member 4 is attached to the second scaffolding plate 3. You can That is, one post member 4 can correspond to the first or second scaffolding plates 2 and 3.

[0025]

[Effect of device]

 As described above, according to the aerial work platform of the present invention, the first scaffolding plate and the second scaffolding plate are slidably attached in the longitudinal direction, and the first scaffolding plate and the second scaffolding plate are attached. In an aerial work platform in which post members are attached to the scaffold plate along its length direction and handrails are attached to the post member, the post member is provided with a first scaffold plate engaging with the first scaffold plate. 1 engaging part and a 2nd engaging part which engages with a 2nd scaffolding board are provided, and said 1st engaging part and 2nd engaging part are selectively used, and said Since the post member is attached to the first scaffolding plate or the second scaffolding plate at an appropriate position in the longitudinal direction, the post member is attached to the handrail at any position in the longitudinal direction of the first and second scaffolding plates. It can be attached by engaging in correspondence with each of the lower end parts, so that humans can pass in correspondence with the structure With never can while can makes it complete retention of the handrail, with it, the safety of the aerial in the field of building construction and the like can be greatly improved.

[Submission date] August 24, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0016

[Correction method] Change

[Correction content]

A pair of guide members 20 are fixed between the upper portions of the side plates 11 in parallel with the axis of the bolt 16, and a moving member 18 is engaged with the guide members 20 so as to be vertically movable. There is. That is, the moving member 18 has side plates 18a and 18b on both sides, and the moving members 18 can be moved along the guide members 20 by positioning these side plates 18a and 18b between the guide members 20. I am trying. The moving member 18 is locked to the bolt 16 by a locking piece 14 welded to the moving member 18 so as to sandwich the head of the bolt 16. Therefore, when the knob 17 is rotated to move the bolt 16 forward and backward, the moving member 18 moves up and down.

[Brief description of drawings]

FIG. 1 is a side view showing an aerial work platform according to an embodiment of the present invention.

FIG. 2 is a plan view of FIG.

3 is a cross-sectional view taken along line YY in FIG.

4 is a cross-sectional view (a cross-sectional view taken along the line of FIG. 5) showing the post member in FIG.

5 is a cross-sectional view taken along the line of FIG.

[Explanation of symbols]

 1 Work Platform for High Places 2 First Scaffolding Plate 3 Second Scaffolding Plate 4 Post Member 5 Handrail 9 First Engagement Part 10 Second Engagement Part

Claims (1)

[Scope of utility model registration request] 1. A first scaffolding plate and a second scaffolding plate are slidably mounted in a longitudinal direction, and the first scaffolding plate and the second scaffolding plate are attached.
In an aerial work platform in which a post member is engaged and attached to the scaffold plate along its length direction, and a handrail is attached to the post member, the post member is engaged with the first scaffold plate. A first engagement portion and a second engagement portion that engages with the second scaffold plate are provided, and the first engagement portion and the second engagement portion are selectively used. An aerial work platform, wherein the post member is attached to the first scaffold plate or the second scaffold plate at an appropriate position in the longitudinal direction.