JP2006336296A - Elevating board having work stand detachably attached thereto, and work stand - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a work stand which is low in production cost, light in weight, and can adjust the height of scaffolding on which the operator stands, to a desired level according to the circumstances. <P>SOLUTION: There is provided an elevating stand 6 for use in the work stand 1 provided with a work stand board 2 on which the operator rides, and a fixing means 3 for fixing the work stand board 2 to a utility pole P. The elevating stand 6 is formed of: an elevating stand board 30 on which the operator rides; an adjusting means connected to the elevating stand board 30, for changing the height of the elevating stand board 30; and attaching/detaching means 33, 34 connected to the adjusting means and attachable to/detachable from the elevating stand board 30. The adjusting means is formed of a support 31 fixed to the elevating stand board 30, a cylindrical portion 39 for allowing the support 31 to be slidably inserted thereinto, adjusting holes 40 bored in the support, and a fixing pin 32 insertable into the adjusting holes 40. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a work table that is used while being fixed to a utility pole during hot-line work or the like, and more particularly to a means that makes it possible to adjust the height of the worker's scaffold according to the situation.

  A conventional work table 100 shown in FIG. 8 is applied to a work table plate 101 on which an operator is mounted, a chain wound around a power pole P, and a power pole P below the work table plate 101. And a fixing means 102 composed of a chain or the like for connecting the rod to the work base plate 101, and the operator can perform hot-line work on the fixed work base plate 101. Do. However, when the work table is attached to the power pole, the work table may not be attached to a desired position due to obstacles such as a band attached to the power pole in advance. The person will be forced to work in an unreasonable position.

The following invention has been disclosed as a countermeasure against such a problem. This conventional workbench is made up of a tensioner that is arranged between a fastening part that is wound around a power pole and fastened with a belt, and a fixed object on the power pole that is connected to the fastening part. A mounting base portion that is provided with a slide connecting material that can be moved up and down by operation in a horizontally rotatable manner at a predetermined angle, and an auxiliary plate that is connected to the tip of the tread plate connected to the slide connecting material so as to be rotatable by a shaft. And a work plate portion that can fix the position at a predetermined angle (see Patent Document 1), whereby the entire work plate portion on which the operator is mounted can be slid up and down, and the utility pole It can be rotated in a fan shape around the (mounting base). In addition, a mechanism using a hydraulic pump, an electric motor or the like for displacing the worker's scaffold is also considered.
Japanese Utility Model Publication No. 6-56327

  However, in the work table disclosed in Patent Document 1, the vertical length of the mounting table portion must be longer than the normal work table as shown in FIG. 8 by at least the vertical slide range. For this reason (see FIG. 2 of the same document), in order to avoid obstacles such as a band on the utility pole, it may be necessary to attach a large shift from a desired location. In addition, since the mechanism itself is complicated, there is a problem that it takes time and labor for the mounting work, and the cost and weight increase. Moreover, when using a hydraulic pump, an electric motor, etc., it is anticipated that the problem of cost and weight will become still larger.

  Therefore, an object of the present invention is to provide a work table that can adjust a worker's scaffolding to a desired height according to the situation at low cost and low weight.

  The present invention for solving the above-mentioned problems is a lifting platform used in a working table configured to include a work table on which an operator is mounted and a fixing means for fixing the work table to a utility pole. , An elevator base plate on which an operator can ride, an adjustment means that is connected to the elevator base plate and changes the height of the elevator base plate, is connected to the adjustment means, and is detachable from the work base plate A worktable detachable lifting platform comprising means (claim 1).

  With this configuration, the lifting platform can be mounted and used only when it is necessary to adjust the height of the operator's scaffolding, and the working platform and the lifting platform can be separated when not needed or transported. it can. Moreover, since it can be used for a conventional work table, an unnecessary increase in cost can be prevented.

  Further, in the configuration according to claim 1, the adjusting means includes a column fixed to the elevating base plate, a cylindrical portion through which the column is slidably inserted, an adjustment hole formed in the column, and the adjustment It is preferable to comprise a fixing pin that can be inserted into the hole.

  According to this configuration, since the sliding of the pillar can be stopped by inserting the fixing pin through the adjustment hole, the height of the lifting base plate can be arbitrarily determined. Further, the cost and weight can be reduced as compared with an automatic mechanism using a hydraulic pump, an electric motor, or the like.

  Further, in the configuration according to claim 1 or 2, the attachment / detachment means includes an upper fixing member that contacts an upper surface of the work table plate, a lower fixing member that contacts a lower surface of the work table plate, and the upper fixing member. Preferably, the lower fixing member is configured to include a fixing tool that fixes the lower fixing member to each other.

  According to this configuration, the upper fixing member and the lower fixing member can be fixed by the predetermined fixing tool such as a bolt or a nut so as to sandwich the work table plate. Then, by fixing a part of the adjusting means (for example, a cylindrical body in the configuration of claim 2) to one (or both) of the upper fixing member and the lower fixing member, the entire lifting platform is made to work. It can be attached to and detached from the plate.

  As described above, by using the work table (claim 4) including the work table detachable lifting platform according to any one of claims 1 to 3, work that is good for an operator at low cost and low weight. Can give the environment.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

  As shown in FIGS. 1 to 3, the work table 1 according to the present invention includes a work table 2 on which an operator is mounted, a fixing means 3 for fixing the work table 2 to the utility pole P, and the work table 2. It is provided with a lifting platform 6 that can be adjusted in height. In this embodiment, the fixing means 3 includes a connecting means 4 for connecting the work table plate 2 and the utility pole P, and a support means 5 for supporting the work table plate 2 from the lower surface side.

  As shown in FIGS. 1 and 2, the work base plate 2 is a hard member having a rectangular shape (length: 900 mm, width: about 300 mm) as viewed from above, and a non-slip groove and a rib 10 are formed on the top surface. Yes. As shown in FIGS. 1 and 2, the connecting means 4 is constituted by members such as a fixing plate 15, a fixing tool 16, a fixing chain 17, and a fastener 18. The fixing plate 15 is fixed to one end 2a of the work base plate 2 by a fixing tool 16 such as a bolt or a nut. The one end 15a of the fixing plate 15 is connected to the fixing chain 17 via a connecting tool 19, and the like. The end 15b is connected to the fixed chain 17 via a fastener 18 capable of adjusting the fastening force. The fixed chain 17 is wound around the utility pole P at the time of attachment, and is fastened to the utility pole P with an appropriate strength by a fastener 18. As shown in FIG. 1, the support means 5 includes members such as a support bar 21 and a support chain 24. The support rod 21 is rotatably fixed to a shaft support portion 22 having one end portion 21 a fixed to the lower surface of the work table plate 2, and the other end portion 21 b is in contact with the power pole P below the work table plate 2. A contact portion 23 is provided. One end 24 a of the support chain 24 is fixed to the lower surface of the work table plate 2, and the other end 24 b is fixed to the support bar 21.

  As shown in FIGS. 1 to 3, the lifting platform 6 includes a lifting platform plate 30, a column 31, a fixing pin 32, an upper fixing member 33, a lower fixing member 34, a fixture 35, and the like.

  The elevating base plate 30 is made of an aluminum material or the like, is formed in a rectangular shape (length: 500 mm, width: about 350 mm) wider than the work base plate 2, has a non-slip groove on the surface, and has legs etc. on the outer edge. An arcuate guide 37 that can be hung is provided.

  In this embodiment, as shown in FIGS. 1 and 3, two pillars 31 are provided on both sides of the work base plate 2, and are integrated with the lift base plate 30 so as to hang from the lower surface of the lift base plate 30. A plurality of (three in this embodiment) adjustment holes 40 are formed in each pillar 31. The length of the column 31 is preferably about 400 mm, and the vertical distance of the adjustment hole 40 is preferably about 100 mm. The column 31 is slidably inserted into a cylindrical body 39 fixed to the upper fixing member 33.

  The fixing pin 32 has a shape that can be inserted into the adjustment hole 40, and a refracting portion 43 is formed at the tip thereof as shown in FIG. 4. The refracting portion 43 is rotatably supported on the main body of the fixing pin 32 by a shaft 44, and the fixing pin 32 is prevented from coming out of the adjusting hole 40 by refracting the distal end portion 43 after being inserted into the adjusting hole 40. It has the effect of doing. When the fixing pin 32 is inserted into the adjustment hole 40 and abuts on the upper surface of the cylindrical body 39, the lowering of the column 31 is prevented, and the height of the lifting platform 30 serving as a scaffold for the operator is determined. Further, as shown in FIG. 1, a ring portion 47 is formed on the fixing pin 32, and a wire 48 having one end fixed to a cylindrical body 39 is connected to the ring portion 47, whereby the fixing pin 32 is connected. The prevention of loss is planned.

  As shown in FIGS. 1, 3, and 5, the upper fixing member 33 is disposed so as to come into contact with the upper surface of the work table plate 2, and the cylindrical body 39 is integrally fixed thereto, and the lower fixing member 34. And an appropriate fixing tool 35 such as a bolt or a nut.

  As shown in FIGS. 1, 3, and 6, the lower fixing member 34 is disposed so as to contact the lower surface of the work base plate 2, and is composed of two members. Is arranged to be sandwiched. The upper fixing member 33 and the lower fixing member 34 can be installed at any place except for a portion where the rib 10 on the work table plate 2 is formed.

  With the above configuration, the operator can fix the lift base plate 30 to an arbitrary height by inserting the fixing pin 32 into any of the adjustment holes 40. At this time, by refracting the refracting portion 43 of the fixing pin 32, the fixing pin 32 can be prevented from coming off during the operation. In addition, since the lifting platform 6 according to this configuration is structured to be fixed to the work table plate 2 by the upper fixing member 33, the lower fixing member 34, and the fixture 35, it can be easily and easily attached to and detached from the work table 1 main body. can do. Therefore, it can also be used for a conventional work table, and can be attached and detached as necessary at the site.

  Moreover, as shown in FIG. 7, the lifting platform according to the present invention may be configured to have four columns 51 of the lifting platform 50. Thereby, stability can be improved more.

1 is a front view of a work table according to Embodiment 1. FIG. 1 is a top view of a workbench according to Embodiment 1. FIG. 1 is a right side view of a work table according to Embodiment 1. FIG. It is a figure which shows the structure of the fixing pin of the work bench | platform which concerns on Example 1. FIG. It is a top view at the time of removing the raising / lowering base plate of the work table which concerns on Example 1. FIG. It is a top view at the time of removing the raising / lowering baseplate and upper side fixing member of the work bench | platform which concerns on Example 1. FIG. It is a figure which shows the structure of the working table which concerns on Example 2. FIG. It is a figure which shows the structure of the conventional worktable.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Worktable 2 Worktable board 3 Fixing means 4 Connection means 5 Support means 6,50 Lifting table 17 Fixed chain 21 Support rod 24 Support chain 30 Lifting plate 31, 51 Column 32 Fixing pin 33 Upper fixing member 34 Lower fixing member 35 Fixing tool 39 Tubular body 40 Adjustment hole 43 Refraction part P Electric pole

Claims (4)

A work platform for an operator to ride, a lifting platform used for a work platform comprising a fixing means for fixing the work platform to a utility pole,
Elevating base plate for workers to get on board,
An adjusting means connected to the lifting platform and changing the height of the lifting platform;
An attachment / detachment means connected to the adjustment means and attachable to / detachable from the work table
A worktable detachable lifting platform. The adjusting means is
A pillar fixed to the lifting platform,
A cylindrical part that allows the column to be slidably inserted;
An adjustment hole drilled in the pillar,
A fixing pin that can be inserted into the adjustment hole;
The worktable detachable lifting platform according to claim 1, comprising: The attaching / detaching means includes
An upper fixing member in contact with the upper surface of the work table plate;
A lower fixing member that contacts the lower surface of the work table plate;
A fixture for fixing the upper fixing member and the lower fixing member to each other;
The worktable detachable lifting platform according to claim 1 or 2, wherein the platform is detachable. Work platform for the operator to get on board,
Fixing means for fixing the work table plate to a utility pole;
The worktable detachable lifting platform according to any one of claims 1 to 3,
A workbench comprising:

Images