JP2012219486A - Workbench device for elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a workbench device for elevator capable of suppressing manufacturing cost and improving portability.SOLUTION: A control board 2 and a workbench body 3 are provided on a pit wall surface 1a of an elevation path. The workbench body 3 includes a pair of fixing metal fittings 4, a workbench top plate 5, a pair of braces 6, a workbench handrail 7, a scaffold bracket 8, an anchor bolt 9, and a fastening bolt 10. The scaffold bracket 8 is, for example, in a square bar shape. One end part of the scaffold bracket 8 is fastened to a lower end part of an L-shaped second surface part 4b of the fixing metal fittings 4 with the fastening bolt 10 to be fixed. The other end part of the scaffold bracket 8 projects horizontally from the pit wall surface 1a. The scaffold bracket 8 is arranged in parallel with the workbench topo plate 5 below the workbench top plate 5 at an interval.

Description

  The present invention relates to an elevator work table apparatus for performing an inspection work on equipment provided on an inner wall of a hoistway near a lower end (pit) of the hoistway.

  In general, in a machine room-less type elevator, a control panel or a hoisting machine may be disposed at a position higher than the first floor of a building in a hoistway for the purpose of flooding countermeasures. In this case, since the operator cannot perform maintenance on the control panel or hoisting machine standing on the bottom of the pit, a folding work table is fixed to the hoistway wall or fixed bracket directly below each device, and maintenance is performed from that work table. Work is done.

  As means for climbing from the pit portion to the work table, a method of preparing a stepladder or a portable work table, a method of using a pit lifting / lowering trap as a telescopic / removable type for lifting / lowering the work table (for example, Patent Document 1) And a method of adding a telescopic trapping mechanism to the folding work table (see, for example, Patent Document 2).

JP 2002-293486 A JP 2003-112873 A

  In the conventional method using the stepladder or the portable work table as described above, an inexpensive device can be used if the pit is shallow. However, as the pits become deeper, the cost of the stepladder becomes higher, for example, measures for working at heights are required. In addition to this, there are also disadvantages such as increasing the number of types corresponding to the pit depth.

  Moreover, in the conventional method as shown in Patent Document 1, the work of attaching and detaching the trap is complicated, and it is necessary to make the method compatible with pits of various depths by making it extendable, so the types increase, There is a demerit that the cost becomes high because the structure becomes complicated.

  Furthermore, in the conventional method as shown in Patent Document 2, since the telescopic trapping mechanism is added, the weight of the folding work table becomes heavy, so the portability deteriorates, and the control panel side to the hoisting machine side. There is a demerit such that it is not possible to take measures to replace the folding workbench.

  The present invention has been made in order to solve the above-described problems, and an object of the present invention is to provide an elevator work table apparatus that can reduce manufacturing costs and improve portability.

  The elevator work table apparatus according to the present invention includes a first attachment portion attached to a hoistway wall surface, and a second attachment that projects from the first attachment portion in a direction orthogonal to the hoistway wall surface and is disposed along the vertical direction. A foldable elevator work table device comprising: a top plate attachment member having a portion; and a top plate rotatably attached to an upper end portion of the second attachment portion of the top plate attachment member, A rod-like scaffold bracket that is detachably attached so as to protrude in a horizontal direction from the top plate attachment member is further provided below the top plate attachment position in the second attachment portion of the top plate attachment member.

  According to the elevator work table apparatus of the present invention, the scaffold bracket is protruded in the horizontal direction from the top plate mounting member below the top plate mounting position in the second mounting portion of the top plate mounting member. Because it is detachably attached, the use of scaffold brackets eliminates the need for conventional stepladders, portable worktables, traps, or telescopic trapping mechanisms, which can reduce manufacturing costs and improve portability. Can be improved.

1 is a side view showing an elevator work table apparatus according to Embodiment 1 of the present invention. It is a side view which shows the example at the time of attaching the workbench main body of FIG. 1 to a high place. It is a side view which shows the work table apparatus for elevators by Embodiment 2 of this invention. It is a side view which shows the accommodation state of the worktable main body of FIG. It is a side view which shows the work table apparatus for elevators by Embodiment 3 of this invention. It is a side view which shows the work table apparatus for elevators by Embodiment 4 of this invention.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
Embodiment 1 FIG.
1 is a side view showing an elevator work table apparatus according to Embodiment 1 of the present invention.
In FIG. 1, a control panel 2 and a work table body 3 are provided on a pit wall surface 1 a of a hoistway. The control panel 2 is disposed above the pit bottom surface 1b with a space therebetween. The worktable body 3 is disposed between the control panel 2 and the pit bottom surface 1b on the pit wall surface 1a.

  The work table body 3 includes a pair of fixed attachments (top plate attachment members) 4, a work table top plate 5, a pair of braces 6, a work table handrail 7, a scaffold bracket 8, anchor bolts 9, and fastening bolts 10. Have. Note that one pair of fixed attachments 4 is arranged on each of the front side and the back side in FIG. A pair of braces 6 are also arranged one by one on the front side and the back side of the sheet of FIG.

  The horizontal cross-sectional shape of the fixed attachment 4 is L-shaped. Moreover, the fixed attachment 4 is arrange | positioned along the up-down direction. Furthermore, the fixed attachment 4 has an L-shaped first surface portion (first attachment portion) 4a and an L-shaped second surface portion (second attachment portion) 4b. The L-shaped first surface portion 4 a of the fixed attachment 4 is fixed to the pit wall surface 1 a by an anchor bolt 9. In addition, the L-shaped second surface portions 4b of the pair of fixed attachments 4 are arranged to face each other with an interval in the horizontal direction.

  One end portion of the work table top plate 5 is attached to each L-shaped second surface portion 4b of the pair of fixed attachments 4 by pins. In addition, the work table top plate 5 is rotatable about a pin as a fulcrum between a storage position that is a position along the vertical plane and a work table formation position that is a position along the horizontal plane.

  The brace 6 is configured to be bendable by a pair of bar members and a hinge. One end portion of the brace 6 is rotatably attached to the lower end portion of the L-shaped second surface portion 4 b of the fixed attachment 4. The other end of the brace 6 is rotatably attached to the side surface of the work table top plate 5. By the brace 6, the work table top plate 5 is held in a state of being arranged horizontally. The workbench handrail 7 is inserted into an attachment hole provided at the distal end portion of the worktable top plate 5 and arranged along the vertical direction. The work table handrail 7 can be attached to and detached from the work table top plate 5.

  The shape of the scaffold bracket 8 is, for example, a square bar shape. One end portion of the scaffold bracket 8 is fastened and fixed to the lower end portion of the L-shaped second surface portion 4b of the fixing bracket 4 by a fastening bolt 10. The other end of the scaffold bracket 8 protrudes from the pit wall surface 1a in the horizontal direction. In other words, the scaffold bracket 8 is disposed in parallel to the work table top plate 5 with a space downward from the work table top plate 5.

  Next, a method for using the workbench main body 3 will be described. The worktable body 3 is in a folded state, that is, a storage state during normal operation of the elevator. At the time of use, the brace 6 is opened and the work table top plate 5 is arranged at the work table formation position, whereby the work table main body 3 is assembled and the work table is formed. Then, the separately stored scaffold bracket 8 is fixed to the L-shaped second surface portion 4 b of the fixing bracket 4 by the fastening bolt 10.

  Here, as shown in FIG. 1, when the height dimension from the pit bottom surface 1b to the scaffold bracket 8 is relatively short, the maintenance worker A directly passes through the scaffold bracket 8 from the pit bottom surface 1b. Then go up to the work table top plate 5. At this time, by grasping the workbench handrail 7, the worker can climb more stably.

  When the height dimension from the pit bottom surface 1b to the scaffold bracket 8 is relatively long, the maintenance worker A once climbs the stepladder 11 and passes through the scaffold bracket 8 as shown in FIG. Go up to 5. After completion of the maintenance inspection, the scaffold bracket 8 is removed, and the worktable body 3 is folded to be stored.

  According to the first embodiment as described above, the scaffold bracket 8 extends horizontally from the fixed attachment 4 to the lower side of the attachment position of the work table top plate 5 on the L-shaped second surface portion 4b of the fixed attachment 4. It is detachably attached so as to protrude. With this configuration, the use of the scaffold bracket 8 eliminates the need for a conventional stepladder, a portable work table, a trap or a telescopic trap mechanism, thereby reducing manufacturing costs and improving portability. be able to.

  In particular, the scaffold bracket 8 has a cheaper and simpler structure than a large stepladder or a trap. Here, there is a case where a large stepladder or a trap can not secure a storage space due to the arrangement of equipment in the hoistway pit. On the other hand, since the scaffold bracket 8 has a simple structure, the storage property and the operability are excellent. Since the attaching work is only fixed with the fastening bolt 10, no complicated work is required, and the workability at the time of attachment is excellent.

  Moreover, since the telescopic trapping mechanism of the conventional apparatus as shown in Patent Document 2 is not necessary, the weight of the worktable body 3 can be reduced compared to the conventional apparatus, and the installation position of the worktable body 3 can be adjusted. It can also be used by replacing it. If worktable body 3 is attached via a bracket (not shown) fixed in advance to pit wall surface 1a, worktable body 3 can be easily attached to and detached from pit wall surface 1a.

  In the first embodiment, the workbench handrail 7 is inserted and attached to the worktable top plate 5. However, the present invention is not limited to this example, and the work table handrail 7 may be configured to be bendable like a brace 6 for example.

Embodiment 2. FIG.
In the first embodiment, the example in which the scaffold bracket 8 is detachably attached to the L-shaped second surface portion 4b of the fixed attachment 4 has been described. On the other hand, in the second embodiment, an example in which the scaffold bracket 12 is rotatably attached to the L-shaped second surface portion 4b of the fixed attachment 4 will be described.

  FIG. 3 is a side view showing an elevator work table apparatus according to Embodiment 2 of the present invention. In FIG. 3, the (foldable) scaffold bracket 12 according to the second embodiment is rotatably attached to the L-shaped second surface portion 4 b of the fixed attachment 4 by fastening bolts (or pins) 10. The scaffold bracket 12 is rotatable between a scaffold formation position that is a position protruding in the horizontal direction from the L-shaped second surface portion 4b of the fixed attachment 4 and a storage position that is a position along the vertical direction. It is.

  Further, a groove 12 a is provided at the tip of the scaffold bracket 12. The groove 12 a of the scaffold bracket 12 is engaged with the shaft portion of the eyebolt 13 disposed at the center of the brace 6 when the scaffold bracket 12 is leveled, and the distal end portion of the scaffold bracket 12 is connected to the brace 6. The That is, the scaffold bracket 12 is supported from both the brace 6 and the fixed attachment 4. On the other hand, the groove 12a of the scaffold bracket 12 engages with the holding pin 14 provided on the L-shaped second surface portion 4b of the fixing bracket 4 when the scaffold bracket 12 is disposed along the vertical direction. Other configurations are the same as those in the first embodiment.

  According to the second embodiment as described above, the scaffold bracket 12 is rotatably attached to the L-shaped second surface portion 4b of the fixed attachment 4 by the fastening bolt 10. With this configuration, during normal operation of the elevator, the scaffold bracket 12 is folded and stored together with the work table top 5 and the brace 6 as shown in FIG. Since it is not necessary to remove from the workbench main body 3, compared with Embodiment 1, a stowability can be improved.

  In the second embodiment, the scaffold bracket 12 is supported by both the brace 6 and the fixed attachment 4 and has a double-supported structure. However, the scaffold bracket 12 may have a cantilever structure like the scaffold bracket 8 of the first embodiment.

Embodiment 3 FIG.
In the first embodiment, the scaffold bracket 8 is supported by only the fixed attachment 4 and has a cantilever structure. On the other hand, in the third embodiment, as shown in FIG. 5, the distal end portion of the scaffold bracket 8 is supported from the work table top plate 5 via the vertical reinforcing member (vertical reinforcing portion) 15. The bracket 8 has a double-sided structure. Other configurations are the same as those in the first embodiment.

  According to the third embodiment as described above, by making the scaffold bracket 8 have a double-sided structure, the section modulus of the scaffold bracket 8 can be lowered as compared with the cantilever structure. The size of the bracket 8 becomes small and can be made inexpensive.

  Note that the scaffold bracket 8 and the vertical reinforcing member 15 are not limited to the example shown in FIG. For example, instead of the scaffold bracket 8 and the longitudinal reinforcing member 15, an L-shaped member may be used. Further, the scaffold bracket 8 and the vertical reinforcing member 15 may be configured to be rotatable like the brace 6. Further, the scaffold bracket 8 and the vertical reinforcing member 15 may be fastened and fixed by fastening bolts or the like.

Embodiment 4 FIG.
In the first embodiment, one scaffold bracket 8 is used and has a one-stage configuration. On the other hand, in the fourth embodiment, as shown in FIG. 6, two scaffold brackets 8A and 8B arranged at intervals in the vertical direction are used and have a two-stage configuration. Other configurations are the same as those in the first embodiment.

  According to Embodiment 4 as described above, since the scaffold brackets 8A and 8B have a two-stage configuration, a high stepladder or the like is used even when the worktable body 3 is mounted at a relatively high position. In addition, the maintenance worker A can go up to the work table top plate 5 using the stepladder 11 similar to the first to third embodiments.

  In the fourth embodiment, the configuration using the two-stage scaffold brackets 8A and 8B has been described. However, the number of steps of the scaffold bracket is not limited to two, and may be three or more. Also in Embodiments 1 to 3, a scaffold bracket having two or more steps may be used.

  1a pit wall surface, 1b pit bottom surface, 2 control panel, 3 work table body, 4 fixed mounting bracket (top plate mounting member), 4a L-shaped first surface portion (first mounting portion), 4b L-shaped second surface portion (second (Mounting part), 5 work table top plate, 6 bracing, 7 work table handrail, 8, 8A, 8B scaffold bracket, 9 anchor bolt, 10 fastening bolt, 11 stepladder, 12 scaffold bracket, 12a groove, 13 eye bolt, 14 holding pin 15 Vertical reinforcing member (vertical reinforcing portion).

Claims (5)

A top mounting member having a first mounting portion that is mounted on the hoistway wall surface, and a second mounting portion that projects from the first mounting portion in a direction orthogonal to the hoistway wall surface and is disposed along the vertical direction;
A folding elevator work table device comprising: a top plate rotatably attached to an upper end portion of the second attachment portion of the top plate attachment member;
A rod-like scaffold bracket that is detachably attached so as to protrude from the top plate attachment member in the horizontal direction below the top plate attachment position in the second attachment portion of the top plate attachment member. An elevator work table apparatus characterized by the above. A top mounting member having a first mounting portion that is mounted on the hoistway wall surface, and a second mounting portion that projects from the first mounting portion in a direction orthogonal to the hoistway wall surface and is disposed along the vertical direction;
A foldable elevator work table device comprising: a top plate rotatably attached to the top plate attachment member;
A scaffolding position that is attached to the lower side of the mounting position of the top plate in the top plate mounting member and projects in a horizontal direction from the top plate mounting member, and a storage position that is a position along the vertical direction An elevator worktable device further comprising a rod-like scaffold bracket that is rotatable between the two. The brace further connecting the top plate mounting member and the top plate,
The elevator work table apparatus according to claim 1 or 2, wherein the scaffold bracket is connected to the brace and supported by both the brace member and the top plate mounting member. The said scaffold bracket is connected to the said top plate, and is supported from the said top plate through the vertical reinforcement part arrange | positioned along the perpendicular direction. The claim 1 or Claim 2 characterized by the above-mentioned. Elevator platform equipment. The elevator worktable apparatus according to any one of claims 1 to 4, wherein a plurality of the scaffold brackets are arranged at intervals in the vertical direction.

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