JP2010216152A - Pole-mounted work platform - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a pole-mounted work platform which enables safe and efficient work while enabling to select of a proper working position. <P>SOLUTION: This pole-mounted work platform 1 includes an electric pole mounting bracket 10 which is detachably fixed to an electric pole 5, a plate-like step stool 20 which has a base end fixed to the electric-pole mounting bracket 10, and a supporting member 30 which supports the step stool 20 by having one end turnably mounted on the side of the leading end 22 of the undersurface of the step stool 20 and the other end abut on the electric pole 5 below the electric pole mounting bracket 10. The supporting member 30 comprises a first long member 310 which has a base end side mounted on the step stool 20, a second long member 320 which is slidably connected to the first member 310 on the leading end side of the first member 310, and an insertion member 330 which enables the first and second members 310 and 320 to be fixed at a plurality of connecting positions. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a pole work table that is attached to a utility pole.

  Conventionally, when working on a power line attached to the upper part of a power pole, an aerial work vehicle is fixed to the side of the power pole, and the bucket on which the work vehicle is placed reaches the power line attached to the upper part of the power pole. Had gone.

  However, depending on the location where the utility poles with power lines and the like that require work are installed, there are places where work platforms cannot be installed. Even in such a case, a scaffold for performing work on the power line or the like is necessary.

  Therefore, a pole-top workbench has been proposed that is detachably attached to and supported by a utility pole, etc., and is provided with a support stay that supports the platform with one end connected to the platform and the other end in contact with the utility pole to hold the platform substantially horizontally. (Patent Document 1). By using such a pole work table, it is possible to provide a scaffolding on the top of the power pole to which power lines are attached, so that the power lines attached to the power poles installed in places where high-altitude work vehicles cannot enter Even work can be done.

JP-A-7-207925

However, in the pole work table of Patent Document 1, when the mounting position of the stepping platform is determined in a utility pole or the like, the position where the other end of the support stay comes into contact with this is also determined.
Generally, a plurality of weak electric cables or the like may be attached to the utility pole in addition to the power line. Therefore, the pole work table of Patent Document 1 is attached if there is a weak electric cable or the like at a position where the support stay comes into contact with the power pole, even if it is desired to attach the step at a position where it can work on the power line with a reasonable posture. I can't. In such a case, there is no choice but to attach the pole work table at a position where there is no weak electric cable or the like at both the installation position of the step platform and the position where the support stay abuts.
In this case, since an appropriate work position cannot be secured, work safety may be impaired.

  The present invention has been made in view of the above, and an object of the present invention is to provide a pole work table that allows a proper work position to be selected and enables safe and efficient work.

  In order to achieve the above object, the present invention provides the following pole work table.

  (1) A power pole mounting bracket that is detachably fixed to a power pole, a plate-shaped step stool whose base end is fixed to the power pole mounting bracket, and one end that is rotatably attached to the distal end side of the lower surface of the step. And a support member that supports the step by contacting the electric pole below the utility pole mounting bracket, and the support member is a long length whose base end is attached to the step A first member having a shape, a long second member slidably connected to the first member on the distal end side of the first member, and a plurality of the first member and the second member And a fixing member that can be fixed at a position.

According to the invention of (1), since the supporting member can fix the first member and the second member at a plurality of connecting positions by the fixing member, the supporting member can be fixed by changing the total length of the supporting member.
Thereby, the utility pole mounting bracket is attached to a position where it can work on the power line with an unreasonable posture, and the step platform is fixed to the utility pole mounting bracket. Next, the other end of the support member is brought into contact with the utility pole. At this time, if there is a weak electric cable or the like at a position where the other end of the support member abuts, and the abutment cannot be made, the connecting position between the first member and the second member is changed and the fixing member is fixed. That is, the total length of the support member is changed. Then, the position where the other end of the support member comes into contact with the utility pole changes, so that the weak electric cable or the like can be bypassed, and the other end of the support member can be brought into contact with the utility pole to support the platform.
Therefore, it is possible to select the appropriate work position because the other end of the support member can be brought into contact with the power pole without changing the position of the step fixed to the position where it can work on the power line with a reasonable posture. It is possible to provide a pole work table that enables safe and efficient work.

  (2) A plurality of first through holes provided at predetermined intervals along the longitudinal direction are formed in the first member, and the plurality of first through holes on the base end side are formed in the second member. A second through hole is formed at a position overlapping any one of the holes, and the fixing member has the first through hole and the second through hole in a state where the first through hole and the second through hole overlap each other. The pole work table according to (1), which is an insertion member that can be inserted into the hole.

According to the invention of (2), the fixing member can be inserted into the first through hole and the second through hole in a state where any one of the plurality of first through holes overlaps with the second through hole. Since it is a member, the total length of the support member can be changed by changing the first through hole that overlaps the second through hole, and further, the total length of the support member can be inserted by inserting the insertion member in a state where they overlap. Can be fixed.
Accordingly, when the other end of the support member is brought into contact with the utility pole, there is a weak electric cable or the like at a position where the other end of the support member is brought into contact. By changing the first through hole of the overlapping first member and inserting the insertion member in a state where they overlap, the entire length of the support member can be fixed.
Therefore, by changing the first through hole that overlaps the second through hole and inserting the insertion member, the entire length of the support member can be changed and fixed. Therefore, the total length of the support member can be easily adjusted without changing the position of the step platform. Can support the step. As a result, an appropriate work position can be easily selected, and safe and efficient work can be performed.

  (3) The support member is formed of the support member in a state where the first through hole and the second through hole that are located closest to the base end side of the first member among the plurality of first through holes overlap. The pole-top workbench according to (2), wherein the length is shorter than a length from a position where one end of the support member is attached to the base end of the step base.

According to the invention of (3), the length of the support member in a state where the first through hole located on the base end side of the first member and the second through hole overlap with each other, It was shorter than the length from the installed position to the base end of the platform.
Thereby, when the full length of a support member is made the shortest and this support member is made substantially parallel to a platform, the front-end | tip of a support member does not protrude from the base end of a platform.
Therefore, it is possible to easily select an appropriate work position, enable safe and efficient work, and provide a column work table that can be compact when stored.

  (4) A power pole mounting bracket that is detachably fixed to a power pole, a plate-shaped step base whose base end is fixed to the power pole mounting bracket, one end is attached to the front end side of the lower surface of the step, and the other end is the end A pole work table comprising a support member that contacts the power pole below the power pole mounting bracket and supports the step board, wherein the support member is attached to the tip side of the lower surface of the step board; And a long support portion with a proximal end engaged with the attachment portion and a distal end side contacting the utility pole, and the attachment portion has a predetermined interval from the distal end side to the proximal end side of the step platform. A column-top workbench provided with a support portion engaging hole that is provided with an opening and engages with the base end of the support portion.

According to the invention of (4), the mounting portion of the support member that supports the step platform is provided at a predetermined interval from the distal end side to the proximal end side of the step platform, and the distal end side contacts the electric pole. A support portion engagement hole with which the base end of the support portion engages was formed.
Thereby, the utility pole mounting bracket is attached to a position where it can work on the power line with an unreasonable posture, and the step platform is fixed to the utility pole mounting bracket. Next, the tip of the support portion of the support member is brought into contact with the utility pole. At this time, if there is a weak electric cable or the like at the position where the tip of the support part comes into contact, and the contact cannot be made, the support part engagement hole with which the base end of the support part is engaged is changed. That is, the position at which the base end of the support portion engages is changed from the front end side of the platform to the base end side. Then, the position where the other end of the support member comes into contact with the utility pole changes, so that the weak electric cable or the like can be bypassed, and the other end of the support member can be brought into contact with the utility pole to support the platform.
Therefore, it is possible to select the appropriate work position because the other end of the support member can be brought into contact with the power pole without changing the position of the step fixed to the position where it can work on the power line with a reasonable posture. It is possible to provide a pole work table that enables safe and efficient work.

  ADVANTAGE OF THE INVENTION According to this invention, the work position on a pillar which can select an appropriate work position and enables safe and efficient work can be provided.

It is a side view of the pole work table concerning a 1st embodiment of the present invention. FIG. 3 is a partial detail view of a first member, a second member, and an insertion member according to the first embodiment of the present invention. (A) is explanatory drawing which shows the state in which an insertion member can be inserted. (B) is explanatory drawing which shows the state in which a plug-in member cannot insert / remove. It is explanatory drawing which shows operation | movement of the pole work bench | platform which concerns on 1st Embodiment of this invention. It is a side view of the pole work table which concerns on 2nd Embodiment of this invention. It is a bottom view of the column top work table concerning a 2nd embodiment of the present invention. It is explanatory drawing of the support part engagement hole which concerns on 2nd Embodiment of this invention.

  Embodiments of the present invention will be described below in detail with reference to the drawings. In the following description of the embodiments, the same constituent elements are denoted by the same reference numerals, and the description thereof is omitted or simplified.

[First Embodiment]
<Overall configuration of pole work table 1>
FIG. 1 is a side view of a pole work table according to the first embodiment of the present invention.
The overall configuration of the pole work table 1 will be described with reference to FIG.
The pole work table 1 includes a utility pole mounting bracket 10, a platform 20, a support member 30, and a chain 40 that couples the platform 20 and the support member 30.

The utility pole mounting bracket 10 includes a footrest coupling bracket 11 and a utility pole fixing member 12.
The step-stand coupling metal 11 is formed in a substantially semicircular shape, and the inner side thereof is in contact with the utility pole 5 and is fixed to the utility pole 5 by a utility pole fixing member 12 (for example, a chain) detachably connected to both ends.
Further, the footrest coupling fitting 11 is coupled to the footrest 20 on the outside thereof.

  The step 20 is formed in a substantially plate shape, its base end 21 is connected to the step connection fitting 11, and a support member 30 is rotatably attached to the lower surface on the tip 22 side. In addition, one end of the chain 40 is connected to the lower surface of the base 20 on the base end 21 side.

  The support member 30 includes a first member 310, a second member 320, a plug-in member 330, a platform attachment member 340, a utility pole abutting member 350, and a chain hook 360.

  The first member 310 is formed in a long shape, and the base end 311 is rotatably connected to the footrest mounting member 340. Moreover, although mentioned later in detail, the 1st through-holes 315a-c are formed in the 1st member 310. FIG.

  The second member 320 is formed in an elongated shape, and is slidably connected to the first member 310 on the tip 312 side of the first member 310. As will be described in detail later, the second member 320 has a second through hole 325 formed therein.

  Although described later in detail, the insertion member 330 is a fixing member that fixes the first member 310 and the second member 320.

  The step mounting member 340 is provided on the lower surface on the tip 22 side of the step 20 in two positions with a predetermined interval in the short side direction of the step 20, and the base end 311 of the first member 310 is rotatably connected to each. Has been. That is, in the present embodiment, the first member 310, the second member 320, and the insertion member 330 are each provided with two.

In the utility pole contact member 350, the base ends 321 of the two second members 320 are rotatably connected. The utility pole abutting member 350 includes a roller that abuts the utility pole.
The chain hook 360 is provided on the base end 321 side of the second member 320 and is locked to an arbitrary part of the chain 40. Thereby, the angle of the support member 30 with respect to the footrest 20 is prescribed | regulated.

<Detailed Configuration of First Member 310, Second Member 320, and Insertion Member 330>
FIG. 2 is a partial detailed view of the first member, the second member, and the insertion member according to the first embodiment of the present invention.
Detailed configurations of the first member 310, the second member 320, and the insertion member 330 will be described with reference to FIG.

  The first member 310 and the second member 320 are formed in a cylindrical body, and the tip 312 of the first member 310 is inserted into the inside from the tip 322 of the second member 320.

  The first member 310 is formed with three first through holes 315a to 315c provided at predetermined intervals along the longitudinal direction from the distal end 312 side to the proximal end side.

  In the second member 320, a second through hole 325 is formed on the base end 321 side at a position overlapping any one of the three first through holes 315a to 315c.

  The length of the support member 30 in a state where the first through hole 315a and the second through hole 325, which are located closest to the base end 311 of the first member 310 among the three first through holes 315a to 315c, are overlapped. However, it is comprised so that it may become shorter than the length from the position in which the front-end | tip 312 of the supporting member 30 in the platform 20 was attached to the base end 21 of the platform 20.

  The insertion member 330 is inserted into any one of the first through holes 315a to 315c and the second through hole 325 in a state where any one of the three first through holes 315a to 315c and the second through hole 325 overlap each other.

FIG. 3 is an explanatory diagram of the insertion member according to the first embodiment of the present invention.
Fig.3 (a) is explanatory drawing which shows the state in which an insertion member can be inserted.
FIG.3 (b) is explanatory drawing which shows the state in which an insertion member cannot be inserted / removed.
The structure of the insertion member 330 is demonstrated with reference to Fig.3 (a), (b).

  The insertion member 330 includes a head portion 331, a shaft portion 332, and a blade portion 333.

  The head portion 331 is formed in a disk shape having a diameter larger than the diameters of the first through holes 315a to 315c and the second through hole 325.

  The shaft portion 332 has a base end connected to the approximate center of the head portion 331 and is formed longer than the outer diameter of the second member 320.

  The blade portion 333 is a plate-like body, and is attached to the tip end of the shaft portion 332 at substantially the center thereof so as to be rotatable along the extending direction of the shaft portion 332. The blade portion 333 is formed with a length that is greater than the diameter of the second through-hole 325 and a width that is less than the diameter of the first through-holes 315 a to 315 c and the second through-hole 325. .

  That is, when the insertion member 330 is inserted into the first through holes 315 a to 315 c and the second through hole 325, the long side is arranged so that the blade part 333 extends along the extending direction of the shaft part 332, and the head 331 Is inserted until it comes into contact with the second member 320. And after inserting, the insertion member 330 is arrange | positioned from the 1st through-holes 315a-c and the 2nd through-holes 325 by arrange | positioning a long side in the direction orthogonal to the direction where the axial part 332 is extended. It will not come out. Further, when the insertion member 330 is extracted from the first through holes 315 a to 315 c and the second through hole 325, the blade part 333 is extracted with a long side arranged along the extending direction of the shaft part 332.

<Operational effect of pole work table 1>
FIG. 4 is an explanatory view showing the operation of the pole work table according to the first embodiment of the present invention.
With reference to FIG. 4, the attachment procedure of the pole work table | surface 1 is demonstrated.
First, the utility pole mounting bracket 10 is attached to a position where it can work on the power line with a reasonable posture, and the step platform 20 is fixed to the utility pole mounting bracket 10. Next, the utility pole contact member 350 of the support member 30 is brought into contact with the utility pole. At this time, if there is the weak electric cable 6 at a position where the power pole contact member 350 contacts, and the contact cannot be made, the first through hole of the first member 310 (which overlaps with the second through hole 325 of the second member 320). Any one of the first through holes 315a to 315c) is changed to another first through hole, and the insertion member 330 is inserted in a state in which they are overlapped, thereby fixing the entire length of the support member 30 and 350 is disposed at a position where it abuts on the utility pole, the chain 40 is locked to the chain hook 360, and the angle of the support member 30 with respect to the footrest 20 is defined. That is, the total length of the support member 30 is changed. Then, the position where the power pole abutting member 350 abuts on the power pole changes, so that the weak power cable or the like can be avoided, and the other end of the support member can be brought into contact with the power pole to support the platform.
Therefore, it is possible to select the appropriate work position because the other end of the support member can be brought into contact with the power pole without changing the position of the step fixed to the position where it can work on the power line with a reasonable posture. Safe and efficient work is possible.

[Second Embodiment]
<Configuration of pole work table 1A>
1 A of pole work benches of 2nd Embodiment are provided with the supporting member 80 with respect to the pole work bench 1 of 1st Embodiment provided with the support member 30. As shown in FIG.
FIG. 5 is a side view of a pole work table according to the second embodiment of the present invention.
FIG. 6 is a bottom view of the pole work table according to the second embodiment of the present invention.
The overall configuration of the pole work table 1A will be described with reference to FIGS.

  The pole work table 1 </ b> A includes a utility pole mounting bracket 10, a step platform 20, a support member 80, and a chain 40.

  The support member 80 is attached to the attachment portion 820 attached to the distal end 22 side of the lower surface of the footrest 20, a long support portion 810 that engages the attachment portion 820 on the proximal end 811 side, and the distal end 812 of the support portion 810. A power pole abutting member 830 that is movably connected and abuts against the power pole 5, and a chain hook 840 that is provided on the front end 812 side of the support portion 810 and engages with an arbitrary portion of the chain 40.

  The support portion 810 has a substantially U-shaped portion in plan view in the vicinity of the attachment portion 820 on the base end 811 side. Moreover, the support part 810 is formed in the shape which narrows toward the front-end | tip 812 side in which the utility pole contact member 830 was provided from two edge parts formed in this U shape. Further, the support portion 810 includes a grip portion 813 in the vicinity of the attachment portion 820.

  The attachment portion 820 includes an attachment portion main body 821, a support portion engagement member 822, a support portion slide hole 823, support portion engagement holes 824a to 824c, a fixing screw 827, and fixing screw holes 826a to 826c. Prepare.

The attachment portion main body 821 is formed in a plate-like body, and is fixed to the tip 22 side of the lower surface of the step platform 20.
The support portion engaging member 822 is a plate-like body connected to the attachment portion main body 821 in a substantially T-shaped cross section, and extends along the long side direction of the step platform 20. Further, the support portion engaging member 822 is provided in two places at predetermined intervals in the short side direction of the step platform 20.

  The support portion engaging member 822 is formed with a support portion slide hole 823, support portion engagement holes 824 a to 824 c, and a support portion storage hole 829.

  The support portion slide hole 823 is formed in a substantially rectangular shape along which the base end 811 of the support portion 810 can slide along the long side direction of the step platform 20.

  Three support part engagement holes 824a to 824c are provided at predetermined intervals along the long side direction of the platform 20, and the base end 811 of the support part 810 is formed to be engageable. The support portion engagement holes 824a to 824c are formed integrally with the support portion slide hole 823. As will be described in detail later, the base end 811 of the support portion 810 is slid through the support portion slide hole 823 and is slid into and engaged with any one of the support portion engagement holes 824a to 824c.

  The support portion accommodation hole 829 is formed closest to the distal end 22 side of the footrest 20 in the support portion engaging member 822, and the base end 811 of the support portion 810 is formed to be engageable.

  In the support member 80, in a state where the base end 811 of the support portion 810 is engaged with the support portion accommodation hole 829, the utility pole contact member 830 connected to the tip 812 of the support portion 810 protrudes from the base end 21 of the step platform 20. It is formed with a length that does not.

  The fixing screw holes 826a to 826c are formed at substantially the center of the attachment portion main body 821 in the extending direction of the support portion engaging member 822, and the distal end side of the fixing screw 827 is screwed. The fixing screw holes 826a to 826c are formed on imaginary lines connecting substantially the centers of the support portion engaging holes 824a to 824c formed in the two support portion engaging members 822, respectively.

  The fixing screw 827 has a shaft portion extending from the grip portion, and the tip end side of the shaft portion is screwed into any of the fixing screw holes 826a to 826c.

FIG. 7 is an explanatory view of a support portion engagement hole according to the second embodiment of the present invention.
Details of the support portion engagement hole 824c will be described with reference to FIG. Hereinafter, the support portion engagement holes 824c will be described, but the support portion engagement holes 824a and 824b have the same configuration.
In the support portion engaging hole 824c, a support portion locking portion 825c is formed along the outer diameter shape of the base end 811 of the support portion 810.
The support portion engaging hole 824c is configured such that the support portion 810 cannot be removed when the support portion 810 is locked to the support portion locking portion 825c and the fixing screw 827 is screwed into the fixing screw hole 826c.

<Operational effects of the pole work table 1A>
With reference to FIG. 5, the attachment procedure of the pole work table 1A will be described.
First, the utility pole mounting bracket 10 is attached to a position where it can work on the power line with a reasonable posture, and the step platform 20 is fixed to the utility pole mounting bracket 10. Next, the utility pole contact member 830 of the support member 80 is brought into contact with the utility pole. At this time, if the weak electric cable 6 is in a position where the power pole contact member 830 contacts, and the contact cannot be made, the support portion engagement holes 824a to 824c with which the base end 811 of the support portion 810 is engaged are changed. That is, the position where the base end 811 of the support portion 810 is engaged is changed from the front end 22 side of the step platform 20 along the base end 21 side. Then, the position where the power pole abutting member 830 of the support member 80 abuts on the power pole changes, so that the weak power cable 6 can be bypassed and the power pole abutting member 830 of the support member 80 can be abutted on the power pole to support the platform.
Therefore, it is possible to select the appropriate work position because the other end of the support member can be brought into contact with the power pole without changing the position of the step fixed to the position where it can work on the power line with a reasonable posture. Safe and efficient work is possible.

  The present invention is not limited to the above-described embodiment, and modifications, improvements, and the like within the scope that can achieve the object of the present invention are included in the present invention.

DESCRIPTION OF SYMBOLS 1 Work pole top 10 Electric pole mounting bracket 11 Step stand coupling bracket 12 Electric pole fixing member 20 Step 21 Base end of the step 22 Tip of the step 30 Support member 310 First member 320 Second member 330 Insertion member

Claims (4)

A utility pole mounting bracket that is detachably fixed to the utility pole;
A plate-shaped step with a base end fixed to the utility pole mounting bracket;
And a support member that supports the step by contacting the electric pole below the power pole mounting bracket and having the other end pivotally attached to the tip side of the lower surface of the step. And
The support member is
A long first member whose proximal end is attached to the platform,
An elongate second member slidably coupled to the first member on the tip side of the first member;
A column work table comprising: a fixing member capable of fixing the first member and the second member at a plurality of connecting positions. A plurality of first through holes provided at predetermined intervals along the longitudinal direction are formed in the first member,
In the second member, a second through hole is formed at a position overlapping one of the plurality of first through holes on the base end side,
2. The column according to claim 1, wherein the fixing member is an insertion member that can be inserted into the first through hole and the second through hole in a state where the first through hole and the second through hole overlap each other. Upper workbench.   The support member has a length of the support member in a state where the first through hole and the second through hole that are located closest to the base end side of the first member among the plurality of first through holes overlap. The pole work table according to claim 2, which is shorter than a length from a position where one end of the support member is attached to the base end of the step base. A utility pole mounting bracket that is detachably fixed to the utility pole;
A plate-shaped step with a base end fixed to the utility pole mounting bracket;
One end is attached to the front end side of the lower surface of the platform, and the other end is below the utility pole mounting bracket, and a support member that supports the platform by contacting the utility pole and supporting the platform,
The support member is
A mounting portion attached to the tip side of the underside of the step,
A long support portion with which the base end side is engaged with the mounting portion, and the tip end side is in contact with the power pole,
A column-top workbench in which the attachment portion is provided with a predetermined interval from the distal end side to the proximal end side of the step platform and is formed with a support portion engagement hole with which the proximal end of the support portion is engaged. .

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