JPH09105229A - Pole-mounted working bench - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the workability by installing a supporting rod for scaffold main body to a fitting member, and surrounding the periphery of the scaffold main body with a protecting fence, and fitting an upper end of a supporting arm to a fixation part of the supporting rod, and installing a lower end of the arm in a fixing band. SOLUTION: A fitting member and a fixing band 47 are fixed to a pole (a) at appropriate positions with the predetermined space. A front side fitting part of a fixation part 18 of a supporting rod 15 of a scaffold main body 14 is fixed to the fitting member 1, and thereafter, a drawing part 19 of the scaffold main body 14 is drawn by the required width for fixation, and length of the supporting rod 15 is adjusted at the required length. A supporting arm 44 is stretched between the fixation part 18 and the fixing band 47. After connecting the fixation part 18 and the tip of the drawing part 19 to each other, beams 16 are provided on the fixation part 18 in parallel with each other, and while beams are provided on the drawing part 19 in parallel with each other, and scaffold plates 17 are laid between the beams 16. Vertical rods 38 are stood in the beam 16, and lateral rods 39 are stretched between the vertical rods 38 so as to form a protecting fence 37, and thereafter, the protecting fence 37 is covered with a hood from over.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a workbench mounted on a power pole to perform work for connecting distribution lines, optical fibers and the like.

[0002]

2. Description of the Related Art Conventionally, as a workbench of this kind, a platform plate is detachably connected to an arc-shaped mounting band mounted on a telephone pole by an L-shaped pipe, and a chain hook is provided at one end side. There has been a mounting base provided with a chain and its tightening device on the end side, and a tread plate provided with a supporting leg at the lower part detachably coupled thereto.

[0003]

The above-mentioned conventional workbench is for almost one person, and when working by a large number of people, it is necessary to mount the same number on the utility pole and the scaffolding area is fixed. Therefore, even if a large work space is required depending on the work, there is a problem in workability such that the work must be carried out in a narrow and limited space. Moreover, since it is impossible to prevent rain and wind, there is a problem in safety, especially when performing optical fiber connection work.

The present invention has been invented in view of the above problems, and the object thereof is to make it possible to appropriately widen the work area, improve workability, and facilitate the work of attaching to a utility pole. At the same time, another object of the present invention is to provide a pole workbench that prevents rain and wind and can safely perform connection work for optical fibers and the like.

[0005]

In order to achieve the above object, a pole workbench in the present invention comprises a mounting member, a scaffold body, a protective fence and a support arm, and the mounting member comprises:
The connecting pipe and the mounting piece are provided inside the pair of sandwich plates so that the utility pole can be sandwiched between the sandwich plates to fix the scaffold body. A pair of support rods that are expandable and contractable are provided at regular intervals, and a plurality of rails are arranged side by side at predetermined intervals across the upper side of the support rod, and a scaffolding plate is laid between the rails, and the front side portions of both support rods Is adapted to be attached to each of the attachment pieces of the attachment member, and the protective fence is
Vertical rods are erected at both ends of each of the crosspieces, and horizontal rods are erected over the vertical rods so as to enclose the periphery of the scaffold body, and the support arms are composed of a pair of arms. The upper ends of the arms are attached to the rear ends of the support rod fixing portions, respectively, and the lower ends of the arms are adjustably attached to fixing bands attached to the circumference of the electric pole. Further, a hood support frame is laid across the upper part of the vertical rod of the protection fence so that the hood can be attached. In the mounting member, the mounting pieces and the connecting pipes are respectively installed on both sides of each sandwiching plate, and the sandwiching pieces that can come into contact with the peripheral side of the utility pole are installed inwardly inside the mounting members. When they are fitted together, each holding piece can hold the telephone pole. Further, the hood support frame is formed in a ∩ shape, and pin holes for erection are arranged in rows on both left and right sides of the hood support frame at predetermined intervals, and the hood is provided at predetermined intervals on its peripheral wall portion. A chuck that slides up and down is provided.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION The pole workbench according to the present invention comprises a combination of a mounting member, a scaffold body, a protective fence and a support arm. Thus, the mounting member can be fixed by sandwiching the electric pole with a pair of sandwiching plates, and the scaffold body can be mounted horizontally. The scaffold main body is provided with a front side portion of a pair of extendable and retractable support rods at regular intervals so that it can be mounted on both sides of the attachment member, and a plurality of crosspieces are arranged at predetermined intervals over both support rod upper sides. The scaffold board is laid. The protection fence has vertical rods provided upright at both ends of the crosspieces, and horizontal rods are laid across the vertical rods so as to surround the scaffold body. The support arm is
The arm is composed of a pair of arms, and the upper end of each arm is attached to the rear end of the support rod fixing portion, and the lower end is adjustably attached to a fixing band attached to the side of the utility pole. Further, a hood support frame is installed above the protective fence so that the hood can be attached.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will now be described with reference to the accompanying drawings. 1 to 8, reference numeral 1 denotes a mounting member, which is composed of an inner sandwiching plate 2 and an outer sandwiching plate 3, and the inner sandwiching plate 2 has an inner rectangular connecting pipe 4, 4 inside. And a pair of mounting pieces 5 and 5 each provided with a screw hole 6 on the upper side of the left and right ends thereof.

Further, the outer sandwiching plate 3 is provided with connecting pipes 7, 7 which are fitted to the outer side of the connecting pipe 4 inside the outer sandwiching plate 3, and the left and right ends of the connecting pipe 7 are connected to the mounting pieces 5. Opposing mounting pieces 8 are provided so as to project. Reference numerals 9 and 10 denote a pair of holding pieces provided inside the holding plates 2 and 3, respectively, and are bent in a ∧ shape so as to easily hold the electric pole. Reference numeral 12 is a horizontal screw hole for the through bolt 11, and 13 is a vertical screw hole for fixing a front end portion of a support rod 15 described later.

Then, the utility pipe a is sandwiched between the two sandwiching plates 2 and 3, and the coupling pipes 4 and 7 are fitted to each other, and then coupled by the through bolts 11 and fixed to the peripheral side portion of the utility pole a. I'm supposed to get it.

Reference numeral 14 denotes a scaffold body, which is a pair of support rods 1 arranged side by side at the same intervals as between the mounting pieces 8 of the mounting member 1.
A plurality of crosspieces 16 are arranged in parallel at 5 and 15 at predetermined intervals, and scaffold plates 17 are laid between the crosspieces 16.

Each of the support rods 15 is formed so that it can be expanded and contracted by inserting a pull-out portion 19 inside the rectangular tubular fixing portion 18. In addition, the pin holes 20, 20 are provided on the rear side of the fixing portion 18 at a predetermined interval.
In addition, a pair of pin holes 21, 21 and 22, 22 are provided at the middle portion and the front side portion of the drawer portion 19 respectively.
It is provided at the same interval as that of 20, and the pull-out portion 19 is moved so that its pin hole 21 or 22 is aligned with the pin hole 20 of the fixed portion 18, and the lock pin is extended over the pin hole 20, 21 or the pin hole 20, 21. By inserting 23, the withdrawal width of the withdrawal part 19 can be set to 3
It can be adjusted in stages. Reference numeral 62 is a screw hole for attaching the front side portion of the fixed portion 18 to the attachment piece 5, and 63 is a spacer.

Further, 24 is a mounting piece of the crosspiece 16 formed in a ∪ shape, and four pieces are attached to the upper surface of the fixed portion 18 at equal intervals from the rear end portion to the front side portion, and on the upper surface of the drawing portion 19. Is provided at the rear end. Further, at the lower part of the rear end of each fixed portion 18, a support arm is
A pair of fixing plates 25, 25 having 44 mounting holes 70 are provided opposite to each other, and a long hole 26 is formed at the front end thereof. By attaching the fixing pieces 27 and 28 to the inside of the rear end portion of the fixing portion 18 and the inside of the rear end portion of the drawing portion 19 respectively, and by connecting the connecting rods 29 between the fixing pieces 27 and 28, respectively. , Fixed part 18 and drawer part
Each of the 19 rear ends is connected to each other.

As shown in FIG. 12, the crosspiece 16 has a fixing portion 18
There are four types of rails 16a, 16b for use and rails 16c, 16d for the drawer portion 19 set, and the rail 16d is attached to the middle portion of the drawer portion 19 when the drawer width of the drawer portion 19 is maximized. is there. In each case, the holding cylinder 30 and the support piece 31 provided with the fixing bolt 32 are arranged at predetermined positions, and the crosspiece 16d is provided with a ∩-shaped attachment piece 33 on the lower side of both right and left sides. 34 is a cross
16a to 16d are fixed pieces respectively provided in the intermediate portions, and by connecting a connecting rod 64 between the fixed pieces 34, the crosspieces 16a to 16d are provided.
The middle parts of d are connected to each other. Thus, the crosspieces 16a-16
c is attached to the upper surface of the supporting portion 18 with a mounting piece 26, and
In d, each attachment piece 33 can be fitted and attached to the drawer portion 19.

As shown in FIGS. 13 and 14, the scaffolding plate 17 is formed in a rectangular shape, the length of which is substantially the same as that of the crosspiece 16, and the width of the scaffolding 16 is attached. It is formed to be approximately the same as the interval. Further, mounting holes 35 are provided at the respective corners of the back surface, and L-shaped protection plates 36 are attached at both ends. Then, by inserting and fixing the fixing bolt 32 into the mounting hole 35, the left and right side portions of the back surface can be fixed to the support piece 31 of the crosspiece 16.

As shown in FIG. 6, the scaffold body 14 has the front mounting portions of the respective fixing portions 18 and the mounting pieces 8 of the outer sandwiching plate 3.
It can be fixed to the mounting member 1 by being screwed onto the mounting piece 5 of the inner sandwiching plate 2 while being inserted into the mounting member 1. Further, since the front end of each fixing portion 18 is fixed to the outer sandwiching plate 3 by the long bolt 66 that passes through the long hole 26, the fixing position can be adjusted according to the diameter of the electric pole a. ing.

Reference numeral 37 denotes a protective fence, which is composed of a plurality of vertical rods 38 and horizontal rods 39, as shown in FIGS. The vertical rod
38 includes six kinds of 38a to 38f, and holding cylinders 40 and 41 are provided on the peripheral side of the upper end and the middle part, respectively, and an insertion part 42 is provided on the lower end. The insertion portion is inserted into the holding cylinder 30 of the crosspiece 16 so that it can be erected on the upper side of the crosspiece 16. In addition, the horizontal rod 39 has eight kinds of 39
a to 39h are provided, and insert pieces 43 are provided at both ends and at predetermined places respectively, and the insert pieces 43 are attached to the holding cylinders 40 and 41.
It can be attached to. Then, a vertical rod is provided above the crosspiece 16.
After 38a to 38f are erected, the horizontal rods 39a to 39h are attached to the upper holding cylinder 40.
By being installed between the space and the middle holding cylinder 41, the upper side of the scaffold body 15 can be enclosed.

Reference numeral 44 denotes a pair of support arms, and as shown in FIG. 17, upper mounting holes 45 are provided at the upper ends of the square pipes, respectively.
Several lower mounting holes for adjustment 46 with a certain spacing on the lower side
Are arranged in a row.

Reference numeral 47 denotes a fixing band attached below the position of the mounting member 1 of the telephone pole a, and as shown in FIG. 18, it is composed of an inner sandwiching plate 48 and an outer sandwiching plate 49, and each of them is on the inner side thereof. The connecting pipes 50 and 51 are provided opposite to each other, and the inner sandwiching plate 48 is provided with the fastening pieces 52 on both ends thereof. Then, the fitting pipes 50 and 51 are fitted to each other so that the utility pole a is sandwiched between the two sandwich plates 48 and 49, and then the both sandwich plates 48 and 49 are fixed by bolts so that the circumference of the utility pole a is reduced. It is designed to stick to the sides. Reference numeral 53 indicates a sandwiching piece that is bent in a ∧ shape.

The upper ends of the support arms 44 are screwed 67 to the fixing plate 25 by the upper mounting holes 45, and the lower ends of the supporting arms 44 are fixed by the lower mounting holes 46. It is screwed 68 to the piece 52.

Reference numeral 54 denotes a hood support frame, each of which is formed of a cylindrical pipe in a ∩ shape, has pin holes 55 arranged in a row at predetermined intervals on both left and right sides, and a fixing piece at the center of the upper side. 56 is provided. Thus, both sides of the upper holding cylinder 40 of the vertical rod 38
The hood support frame (54) is connected and supported by mounting it on the vertical rod (38) so that its height can be adjusted, and by mounting a crossbar (57) between the fixing pieces (56).

Reference numeral 58 designates a cloth hood having an open bottom, and is provided with chucks 59 which are vertically slidable at predetermined intervals on both side walls and which are provided with knobs 60 at upper and lower two places. A string attachment hole 61 to which a fastening string is attached is provided at an appropriate position on the lower end of the protection cover 37 and the scaffolding main body 14 so as to cover it from the top of the standing hood support frame 54.

A procedure for attaching the workbench according to the present invention to a telephone pole will be described. (A) First, the mounting member 1 and the fixing band 47 are fixed to proper positions of the electric pole at predetermined intervals while avoiding obstacles such as metal fittings. (B) Then, after fixing the front mounting portions of the respective fixing portions 18 constituting the supporting rod 15 to the mounting member 1, the respective drawing portions 19 are pulled out by a required width and fixed to obtain the length of the supporting rod 15. Adjust to the length of. (C) The support arms 44, 44 are installed between the fixed portion 18 and the fixed band 47. (D) After connecting the tip portions of the fixed portion 18 and the drawer portion 19 to each other, the crosspieces 16a and 16b are arranged in parallel on the fixed portion 18, and the crosspieces 16c and 16d are arranged in parallel on the drawout portion 19. Scaffolding board 17 between piers 16
Lay each. (E) Vertical rods 38 are respectively erected on the crosspieces 16, and horizontal rods 39 are erected on the vertical rods 38 to form a protective fence. (F) The hood support frame 54 is erected on the upper side of the vertical rod 38, and the hood 58 is covered from the upper side thereof to complete the assembly. If there is an existing electric wire b above the mounting point, as shown in FIG. 1, the height of the hood support frame 54 is adjusted so as not to touch it, and the existing electric wire when the hood 58 is covered. It suffices to open the chuck 59 at the portion intersecting with c and pass the electric wire c. (G) When the weather is good and there is no fear of wind or rain, work can be performed without attaching the hood support frame 52 and the hood 58.

[0023]

According to the first aspect of the present invention, the work area can be appropriately expanded according to the number of workers, so that the work of connecting on the pillar can be performed safely and efficiently.

According to the second aspect of the present invention, rain and wind can be reliably prevented, so that the work of connecting the optical fiber or the like can be performed safely.

According to the third aspect of the present invention, there is an advantage that the mounting member can be always sandwiched between the side portions of the utility pole while keeping parallel and horizontal, and the mounting can be performed easily and surely.

According to the structure described in claim 4, even if there is an existing electric wire at the mounting position, the hood can be mounted without any trouble.

[Brief description of the drawings]

FIG. 1 is a use state diagram in which a hood is covered.

FIG. 2 is a use state diagram with a hood removed.

FIG. 3 is a rear view of the same.

FIG. 4 is a plan view of the same.

5 is a partial cross-sectional view taken along the line AA in FIG.

FIG. 6 is a plan view of a telephone pole mounting portion.

FIG. 7 is a plan view of an inner sandwiching plate.

FIG. 8 is a plan view of an outer sandwiching plate.

FIG. 9 is a plan view of the scaffold body.

FIG. 10 is a side view of a support rod.

FIG. 11 is a side view of the drawer portion.

FIG. 12 is a plan view of a crosspiece.

FIG. 13 is a rear view of the scaffolding plate.

14 is a sectional view taken along line BB in FIG.

FIG. 15 is a side view of various vertical rods.

FIG. 16 is a side view of various horizontal rods.

FIG. 17 is a side view of a support arm.

FIG. 18 is a plan view of a fixing band.

FIG. 19 is a side view of the hood support frame.

FIG. 20 is a perspective view of a hood.

[Explanation of symbols]

 1 Mounting Member 2 Inner Clamping Plate 3 Outer Clamping Plate 4 Coupling Pipe 5 Mounting Piece 7 Coupling Pipe 8 Mounting Piece 9 Clamping Piece 10 Clamping Piece 14 Scaffolding Main Body 15 Supporting Rod 16 Crossing 17 Scaffolding Board 18 Fixed Part 19 Drawer 25 Fixed Plate 37 Protective fence 38 Vertical rod 39 Horizontal rod 44 Support arm 45 Mounting hole 46 Mounting hole 47 Fixing band 52 Fastening piece 53 Clamping piece 54 Top support frame 55 Pin hole 58 Top 59 Chuck

Front page continuation (72) Inventor Masaaki Seto 48 Nagane 3 Hirado, Kashimadai-cho, Shida-gun, Miyagi Prefecture (72) Inventor Shigeru Nakamura 350 Minorita, Matsudo-shi, Chiba Sato Iron Works Co., Ltd.

Claims (4)

[Claims] 1. A mounting member, a scaffold main body, a protective fence, and a support arm, wherein the mounting member has a pair of sandwiching plates internally provided with a coupling pipe and a mounting piece, respectively, and between the sandwiching plates. It is designed so that it can be fixed by sandwiching a utility pole, and the scaffolding body is
A pair of support rods are provided at fixed intervals so that the drawer portion is fitted to the fixed portion and can be expanded and contracted. A plurality of crosspieces are arranged side by side at predetermined intervals over the upper side of the support rods, and a scaffold plate is laid between the crosspieces. At the same time, the front side portions of both support rods can be attached to the attachment pieces of the attachment member, respectively, and the protective fence is provided with vertical rods at both end portions of each of the bars and extends over each vertical rod. A horizontal rod is erected to enclose the periphery of the main body of the scaffold, and the supporting arms are composed of a pair of arms, and the upper end of each arm is attached to the rear end of the supporting rod fixing portion, and the lower end is attached. The pole workbench is characterized in that the part is adjustably attached to a fixed band attached to the circumference side of the electric pole. 2. The hood support frame is installed over the upper part of the vertical rod of the protection fence so that the hood can be attached.
The above-mentioned pole workbench. 3. The mounting member includes a mounting piece and a coupling pipe provided on opposite sides of each sandwiching plate, and a sandwiching piece capable of abutting against a peripheral side of a utility pole is provided inside thereof, respectively. The pole workbench according to claim 1 or 2, wherein the utility pole can be sandwiched between the sandwiching pieces when the coupling pipe is fitted. 4. The hood support frame is formed in a ∩ shape, and pin holes for erection are provided in rows on both left and right sides of the hood support frame at predetermined intervals, and the hood has a predetermined interval on its peripheral wall portion. The columnar workbench according to claim 2, further comprising a chuck which is placed and slides up and down.