WO2023281592A1 - エスカレーターの吊り工具 - Google Patents
エスカレーターの吊り工具 Download PDFInfo
- Publication number
- WO2023281592A1 WO2023281592A1 PCT/JP2021/025334 JP2021025334W WO2023281592A1 WO 2023281592 A1 WO2023281592 A1 WO 2023281592A1 JP 2021025334 W JP2021025334 W JP 2021025334W WO 2023281592 A1 WO2023281592 A1 WO 2023281592A1
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- WO
- WIPO (PCT)
- Prior art keywords
- escalator
- pair
- rod member
- workbench
- tool
- Prior art date
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- 239000000725 suspension Substances 0.000 title abstract 3
- 238000009434 installation Methods 0.000 claims abstract description 20
- 238000010586 diagram Methods 0.000 description 38
- 238000000034 method Methods 0.000 description 30
- 238000004804 winding Methods 0.000 description 8
- 238000011900 installation process Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B31/00—Accessories for escalators, or moving walkways, e.g. for sterilising or cleaning
Definitions
- the present disclosure relates to an escalator hanging tool.
- Patent Document 1 discloses a hanging tool for replacing escalator parts. According to the lifting tool, the parts of the escalator can be placed on the steps of the escalator after being lifted from the opening.
- Patent Document 1 the hanging tool described in Patent Document 1 is attached to a plurality of steps across the opening. For this reason, the size of the hanging tool becomes large, and it cannot be installed easily.
- the present disclosure was made to solve the above problems. SUMMARY OF THE DISCLOSURE It is an object of the present disclosure to provide an escalator lifting tool that allows the escalator parts to rest on the steps and can be easily installed.
- An escalator hoisting tool includes a pair of fixed members attached to each of a pair of handrails of the escalator, and a bar member formed into a rod shape and having both ends fixed to the pair of fixed members, respectively.
- a hoisting body provided to be movable from the first position to the second position by rotating about the longitudinal direction as an axis.
- the lifting device in the lifting tool for the escalator, is provided movably between a first position for lifting the part and a second position for placing the part on the placing step. Therefore, the parts of the escalator can be placed on the steps, and the lifting tool can be easily installed.
- FIG. 1 is a schematic diagram of an entire escalator to which the escalator lifting tool according to Embodiment 1 is applied;
- FIG. FIG. 2 is a view of the main part of the escalator to which the escalator lifting tool according to Embodiment 1 is applied, viewed from the lower part of the movement route;
- Fig. 2 is a perspective view of a main part of the hoisting tool for the escalator according to Embodiment 1;
- FIG. 2 is a top view of a main part of the hoisting tool for the escalator in Embodiment 1;
- FIG. 4 is a view showing a hanger of the hanging tool of the escalator in Embodiment 1;
- 1 is a perspective view of a workbench of an escalator according to Embodiment 1.
- FIG. Fig. 2 is a side view of the workbench of the escalator according to Embodiment 1;
- Fig. 2 is a view of the workbench of the escalator according to Embodiment 1 as seen from the installation surface side;
- FIG. 2 is a view of the workbench of the escalator according to Embodiment 1 as viewed from the mounting surface side;
- FIG. 2 is a diagram showing the essential parts of the mounting surface of the workbench of the escalator according to Embodiment 1;
- FIG. 2 is a view of the workbench of the escalator according to Embodiment 1 as viewed in the long side direction;
- FIG. 2 is a diagram showing a main part of the workbench of the escalator according to Embodiment 1;
- FIG. 4 is a diagram showing a state in which the legs of the workbench of the escalator according to Embodiment 1 are removed;
- FIG. 4 is a diagram showing a step of attaching the hanger of the sling tool of the escalator according to Embodiment 1;
- FIG. 4 is a diagram showing a rod member to which a hanger of the sling tool for the escalator according to Embodiment 1 is attached;
- FIG. 5 is a diagram showing a process of attaching a fixing member of the lifting tool of the escalator according to Embodiment 1;
- FIG. 4 is a view showing a right fixing member of the sling tool for the escalator according to Embodiment 1;
- 4 is a view showing a left fixing member of the sling tool for the escalator according to Embodiment 1.
- FIG. FIG. 4 is a diagram showing a state in which the rod member of the sling tool for the escalator according to Embodiment 1 is fixed to the handrail;
- FIG. 2 is a diagram showing a main part of the hoisting tool for the escalator according to Embodiment 1; 4 is a diagram showing a state where the belt of the hoisting tool of the escalator according to Embodiment 1 is attached.
- FIG. FIG. 4 is a diagram showing a main part of the other end side of the belt of the hoisting tool of the escalator according to Embodiment 1;
- FIG. 4 is a diagram showing a main part of one end side of the belt of the hoisting tool of the escalator according to Embodiment 1;
- FIG. 4 is a diagram showing a state in which the lifting device for the hoisting tool of the escalator according to Embodiment 1 is attached.
- FIG. 2 is a diagram showing a main part of the lifting device for the hoisting tool of the escalator according to Embodiment 1;
- FIG. 2 is a diagram showing a main part of the lifting device for the hoisting tool of the escalator according to Embodiment 1;
- Fig. 2 is a side view of the escalator according to Embodiment 1, in which the workbench is installed;
- FIG. 4 is a diagram showing a main part of the drive unit lifted by the lifting tool of the escalator according to Embodiment 1;
- FIG. 2 is a top view of the hoisting device for the lifting tool of the escalator according to Embodiment 1;
- FIG. 2 is a top view of the hoisting device for the lifting tool of the escalator according to Embodiment 1;
- FIG. 4 is a diagram showing components of the drive unit placed on the workbench of the escalator in Embodiment 1;
- FIG. 1 is a schematic diagram of the entire escalator to which the escalator lifting tool according to Embodiment 1 is applied.
- the escalator 1 is provided between the upper and lower floors of the building. Passengers move between upper and lower floors through a movement path 2 of an escalator 1. - ⁇
- FIG. 1 shows one of a pair of balustrades 3 .
- Each of the pair of handrails 4 is an endless belt.
- a pair of handrails 4 are provided on the outer peripheries of the pair of balustrades 3, respectively.
- a plurality of step shafts 5 are provided below the movement path 2 .
- a plurality of steps 6 are attached to a plurality of step shafts 5, respectively. During normal operation, passengers travel along the travel path 2 on a plurality of steps 6 .
- the drive unit 7 of the escalator 1 is provided below the movement path 2.
- the opening 8 is formed in the lower part of the movement path 2 by removing some of the plurality of steps 6 during maintenance work.
- FIG. 1 shows a state in which three upper steps 6a of the plurality of steps 6 are removed. In this state, drive unit 7 is exposed through opening 8 .
- the hanging tool 9 is provided above the opening 8 in the escalator 1.
- the hanging tool 9 includes a pair of fixing members 10 , a bar member 11 , a belt 12 and a lifting device 13 .
- a pair of fixing members 10 are fixed to a pair of handrails 4, respectively.
- the rod member 11 is a metal single tube.
- the longitudinal dimension of the bar member 11 is determined according to the width dimension of the pair of handrails 4 . Both ends of the bar member 11 are stretched over both sides of the pair of handrails 4, respectively. Both ends of the rod member 11 are fixed to a pair of fixing members 10, respectively.
- the belt 12 is a lashing belt.
- Belt 12 fastens rod member 11 to one of the plurality of step shafts 5 .
- one end of the belt 12 is attached to the central portion of the bar member 11 .
- the other end of the belt 12 is attached to one of the step shafts 5 .
- the belt 12 is stretched so that tension is generated between one end and the other end.
- the belt 12 is stretched so as to be perpendicular to the pair of handrails 4 on the projection plane viewed from the longitudinal direction of the bar member 11 .
- the lifting device 13 is a device that lifts an object with a hoist.
- the lifting device 13 is a chain block.
- the lifting device 13 includes a chain body 13a and a hoisting body 13b.
- the chain body 13a is an endless chain.
- a lower end of the chain body 13a has a hoist.
- the hoisting body 13b is suspended from the bar member 11.
- the winding body 13b is provided at the upper end of the chain body 13a.
- the winding body 13b is provided so as to wind up the chain body 13a.
- the winding body 13b is provided so as to be rotatable about the longitudinal direction of the rod member 11 as an axis.
- the worktable 14 is placed on the mounting step 6b adjacent to the opening 8 on the lower side among the plurality of steps 6. Specifically, the workbench 14 is placed on the mounting step 6b adjacent to the lowermost upper step 6a among the three upper steps 6a.
- the worker performs work such as inspection work, parts replacement work, etc. of the devices provided below the movement route 2 through the opening 8 .
- the hoisting tool 9 is used when carrying the disc brake 7a, which is a component of the drive unit 7 of the escalator 1, during maintenance work.
- the worker performs an opening process, a first installation process, a second installation process, a lifting process, a moving process, and a placing process.
- the worker creates the opening 8 by removing the plurality of upper steps 6a. After that, in the first installation step, the worker installs the hanging tool 9 on the escalator. After that, in the second installation step, the worker installs the workbench 14 on the mounting step 6b.
- the worker uses the lifting device 13 to lift the component.
- the hoisting body 13b exists at the first position A suspended vertically downward from the rod member 11.
- the hoisting body 13b lifts the disc brake 7a of the drive unit 7 by hoisting the chain body 13a.
- the winding body 13b lifts the disc brake 7a to a position higher than the step shaft 5 on which the lowermost upper step 6a of the three upper steps 6a is mounted.
- the worker pulls the disc brake 7a to move the disc brake 7a and the hoist at the lower end of the chain body 13a to the lower side of the moving path 2 in an arc shape with the longitudinal direction of the bar member 11 as an axis. rotate it.
- the worker rotates the disc brake 7a and the hoist to vertically above the workbench 14.
- the hoisting body 13b exists at the second position B.
- the worker places the disc brake 7a on the workbench 14 by extending the chain body 13a extending from the hoisting body 13b while maintaining the vertical position of the disc brake 7a.
- the worker will replace the parts.
- the worker fastens the disc brake 7a placed on the workbench 14 and one of the plurality of step shafts 5 with a lashing belt.
- the worker replaces the parts of the disk brake 7a.
- the disk brake 7a is lifted by the lifting device 13, and is installed in the drive unit 7 again. In this case, the replacement work ends.
- FIG. 2 is a view of the main part of the escalator to which the escalator lifting tool according to Embodiment 1 is applied, viewed from below the moving path.
- the hoisting tool 9 includes a first hanger 15 and a second hanger 16 .
- the first hanger 15 includes a hanger tubular portion 15a and a hanger portion 15b.
- the hook tubular portion 15 a of the first hook 15 is passed through the rod portion of the rod member 11 .
- the hook portion 15b is provided on the outer peripheral side of the hook tubular portion 15a.
- the hanging portion 15b has a hole for hanging a hook or the like.
- the first hanger 15 is provided on the rod member 11 so as to be movable in the longitudinal direction of the rod member 11 at the hanger cylindrical portion 15a.
- the first hanger 15 is provided so as to be rotatable about the longitudinal direction of the rod member 11 in the hanger cylindrical portion 15a.
- the hoisting body 13b of the lifting device 13 is suspended from the rod member 11 via the first hanging device 15. Specifically, the hoisting body 13b is suspended from the hanging portion 15b.
- the hoisting body 13b is provided so as to be rotatable from the first position to the second position about the longitudinal direction of the rod member 11 via the hook portion 15b.
- the second hanger 16 has the same configuration as the first hanger 15 . Specifically, the second hanger 16 includes a hanger cylindrical portion 16a and a hanger portion 16b. The number of second hangers 16 is determined according to the number of belts 12 .
- One end of the belt 12 is attached to the hook portion 16b of the second hook 16.
- the belt 12 is attached to the bar member 11 via the second hook 16 .
- the pair of fixing members 10 have mutually symmetrical shapes when installed on the handrail 4 .
- the pair of fixing members 10 includes a right fixing member 10R arranged on the right side and a left fixing member 10L arranged on the left side when the upper side is viewed along the moving path 2. As shown in FIG.
- FIG. 3 is a perspective view of a main part of the lifting tool for the escalator according to Embodiment 1.
- FIG. 4 is a top view of a main part of the hoisting tool for the escalator according to Embodiment 1.
- FIG. 3 is a perspective view of a main part of the lifting tool for the escalator according to Embodiment 1.
- FIG. 4 is a top view of a main part of the hoisting tool for the escalator according to Embodiment 1.
- FIG. 3 and 4 show the right fixing member 10R of the pair of fixing members 10.
- the right fixing member 10R includes a tubular portion 17, a contact surface portion 18, and a guide portion 19.
- the tubular portion 17 is formed in a tubular shape through which the outer peripheral side of the rod member 11 can be passed.
- the cylindrical portion 17 fixes the rod member 11 inside by tightening a fixing screw.
- the contact surface portion 18 is a planar plate.
- a cylindrical portion 17 is provided on the upper surface of the contact surface portion 18 .
- the lower surface of the contact surface portion 18 has a rubber sheet. The contact surface portion 18 contacts the upper surface of the handrail 4 at the rubber sheet on the lower surface.
- the guide portion 19 extends in an arc shape from the side of the contact surface portion 18 .
- the guide portion 19 is formed to have a curved surface having the same shape as the curved surface of the side curved portion of the handrail 4 .
- the guide portion 19 has a rubber sheet on its inner surface. The guide portion 19 is in contact with the side curved portion of the handrail 4 on the inner rubber sheet.
- FIG. 5 is a diagram showing a hanger of a hanging tool for an escalator according to Embodiment 1.
- FIG. 5 is a diagram showing a hanger of a hanging tool for an escalator according to Embodiment 1.
- the first hook 15 is provided on the outer peripheral side of the bar member 11. As shown in FIG. 5, the first hook 15 is provided on the outer peripheral side of the bar member 11. As shown in FIG. The first hook 15 has a fixing screw 20 . The first hook 15 can be fixed to the rod member 11 by tightening the fixing screw 20 .
- FIG. 6 is a perspective view of the workbench of the escalator according to Embodiment 1.
- FIG. 6 is a perspective view of the workbench of the escalator according to Embodiment 1.
- the workbench 14 has a main plate 21 .
- the main plate 21 is formed in a plate shape.
- the length of the long side of main plate 21 is longer than the length of step 6 in the direction of movement path 2 .
- the main plate 21 has a mounting surface 21a and a mounting surface 21b facing away from the mounting surface 21a.
- the main plate 21 is placed on the upper surface of the mounting step 6b. In this state, the mounting surface 21a faces upward.
- the installation surface 21b is in contact with the upper surface of the mounting step 6b.
- Both ends of the main plate 21 in the longitudinal direction protrude from the mounting step 6b. Specifically, one end of the main plate 21 in the long side direction protrudes toward the opening 8 from the end of the mounting step 6b on the opening 8 side. The other end of the main plate 21 in the long side direction protrudes to the side opposite to the opening 8 from the end opposite to the opening 8 in the mounting step 6b.
- FIG. 7 is a side view of the workbench of the escalator according to Embodiment 1.
- FIG. 8 is a diagram of the workbench of the escalator according to Embodiment 1, viewed from the installation surface side.
- the workbench 14 includes two first projecting bodies 22, two second projecting bodies 23, two legs 24, a pair of first frames 25, and a pair of second A frame 26 and a pair of support rods 27 are further provided.
- a side view of the leg 24 is shown in FIG. 7B.
- FIG. 7 shows one of the two first protrusions 22 .
- Each of the two first protrusions 22 extends vertically from the installation surface 21b of the main plate 21 at one end of the installation surface 21b.
- FIG. 7 shows one of the two second protrusions 23 .
- Each of the two second protrusions 23 extends vertically from the installation surface 21b of the main plate 21 at the other end of the installation surface 21b.
- FIG. 7A shows one of the two legs 24.
- FIG. Legs 24 are provided to be axially telescopic.
- a plate-shaped mounting portion 24a is provided at one end of the leg 24 in the axial direction.
- One end of the leg 24 in the axial direction is detachably attached to a surface facing the same direction as the installation surface 21b of the second protrusion 23 via an attachment portion 24a.
- a rubber plate perpendicular to the axial direction is provided at the other end of the leg 24 in the axial direction.
- Each of the pair of first frames 25 is shaped like a square bar.
- Each of the pair of first frames 25 is provided on the mounting surface 21 a of the main plate 21 .
- the pair of first frames 25 are arranged parallel to each other with a space therebetween.
- Each of the pair of second frames 26 is formed in the shape of a square bar.
- (A) of FIG. 7 shows one of the pair of second frames 26 .
- Each of the pair of second frames 26 is arranged from one to the other of the pair of first frames 25 .
- Each of the pair of second frames 26 is detachably attached to the surface of the pair of first frames 25 opposite to the surface in contact with the mounting surface 21a.
- Each of the pair of second frames 26 forms a gap with the mounting surface 21a.
- a pair of support rods 27 are formed in the shape of a square bar. A pair of support rods 27 are arranged between the pair of first frames 25 .
- two first protrusions 22 are provided on both sides of the central portion of the installation surface 21b.
- two second protrusions 23 are provided on both sides of the central portion of the installation surface 21b.
- the worktable 14 further includes a handle groove 28, a mounting sheet 29, and two leg mounting members 30.
- the handle groove 28 is provided on the installation surface 21b between the first projecting body 22 and the second projecting body 23.
- the mounting sheet 29 is a sheet of sponge rubber.
- the mounting sheet 29 is attached to the mounting surface 21 b between the first projecting body 22 and the second projecting body 23 .
- the mounting sheet 29 is provided so as not to cover the handle groove 28 .
- Each of the two leg mounting members 30 is a detachable base corresponding to the two legs 24 not shown in FIG.
- the two leg attachment members 30 are provided on the two second protrusions 23 respectively.
- the leg attachment member 30 includes a receiving portion 30a.
- the receiving portion 30a is provided on the surface of the corresponding second projecting body 23 opposite to the surface in contact with the installation surface 21b.
- the receiving portion 30a has a space inside.
- the receiving portion 30a is provided so that the mounting portion 24a of the leg 24 (not shown in FIG. 8) can be stored in the internal space.
- FIG. 9 is a diagram of the workbench of the escalator according to Embodiment 1, viewed from the placement surface side.
- FIG. 10 is a diagram showing a main part of the mounting surface of the workbench of the escalator according to Embodiment 1.
- one of the pair of first frames 25 is fixed to one end of the main plate 21 in the long side direction on the mounting surface 21a.
- One of the pair of first frames 25 is aligned with the short side perpendicular to the long side of the main plate 21 .
- the other of the pair of first frames 25 is fixed at a position separated from one of the pair of first frames 25 by the length of the long side of the second frame 26 .
- a plurality of adjustment holes 25 a are provided in each of the pair of first frames 25 .
- a plurality of adjustment holes 25a are provided at both ends of the first frame 25 by a prescribed number.
- one of the pair of first frames 25 is provided with six adjustment holes 25a.
- three of the six adjustment holes 25 a are provided at one end of the first frame 25 .
- Another three of the six adjustment holes 25 a are provided at the other end of the first frame 25 .
- Each of the pair of second frames 26 is arranged so as to be perpendicular to each of the pair of first frames 25 in the projection plane onto the mounting surface 21a. Both ends of each of the pair of second frames 26 are fixed to the pair of first frames 25, respectively. Each of the pair of second frames 26 is fixed to the pair of first frames 25 by bolts through corresponding adjustment holes 25a. The interval between the pair of second frames 26 changes depending on which adjustment hole 25a they are fixed to.
- a pair of support rods 27 are provided parallel to each other with a space therebetween.
- each of the pair of support rods 27 is provided in parallel with the pair of first frames 25 .
- FIG. 10 shows part of the plurality of adjustment holes 25a provided in one of the pair of first frames 25.
- the intervals between the plurality of adjustment holes 25a are determined according to the size of the component to be extracted from the drive unit 7 (not shown in FIG. 10).
- To which adjustment hole 25a each of the pair of second frames 26 is fixed is determined according to the size of the component.
- FIG. 11 is a diagram of the workbench of the escalator according to Embodiment 1, viewed in the long side direction.
- FIG. 12 is a diagram showing a main part of the workbench of the escalator according to Embodiment 1.
- FIG. 13 is a diagram showing a state in which the legs of the workbench of the escalator according to Embodiment 1 are removed.
- each of the two leg attachment members 30 further includes a fixing portion 30b.
- the fixing portion 30b is provided on the surface of the corresponding second projecting body 23 facing outward in the long side direction of the main plate 21 .
- the fixed part 30b has a spring (not shown) inside.
- the fixed portion 30b has a projecting portion 30c.
- the protruding portion 30c is provided so as to be movable between a protruding position protruding toward the receiving portion 30a and a retracted position retracted inside the fixed portion 30b.
- the projecting portion 30c is held at the projecting position by the elastic force of a spring provided inside the fixed portion 30b.
- FIG. 11 shows the projection 30c in the projected position. In a state in which the projecting portion 30c exists at the projecting position, the fixing portion 30b fixes the mounting portion 24a stored in the receiving portion 30a inside the receiving portion 30a.
- FIG. 12 shows a state in which the mounting portion 24a of the leg 24 is stored in the receiving portion 30a. In this state, the projecting portion 30c is held at the projecting position.
- the worker moves the projecting part 30c from the projecting position to the retracted position by applying force against the spring of the fixing part 30b. With the projection 30c in the retracted position, the operator can remove the mounting portion 24a from the interior of the receiving portion 30a.
- FIG. 13 shows the two legs 24 removed from the leg attachment member 30.
- the legs 24 are shipped and stored detached from the leg attachments 30 .
- FIGS. 14A and 14B are diagrams showing a step of attaching the hanger of the sling tool of the escalator according to Embodiment 1.
- FIG. FIG. 15 is a diagram showing a rod member to which a hanger of a hanging tool for an escalator according to Embodiment 1 is attached.
- 16A and 16B are diagrams showing a process of attaching the fixing member of the lifting tool of the escalator according to Embodiment 1.
- FIG. FIG. 17 is a view showing the right fixing member of the lifting tool for the escalator according to Embodiment 1.
- FIG. FIG. 18 is a view showing the left fixing member of the lifting tool for the escalator according to Embodiment 1.
- the worker performs a step of passing each of the first hanger 15 , the second hanger 16 , and the pair of fixing members 10 through the rod member 11 .
- the hanger tubular portion 15 a is passed through the rod member 11 .
- the hanger tubular portion 16 a is passed through the rod member 11 in the first hanger 15 .
- FIG. 15 shows one first hanger 15 and two second hangers 16 .
- the first hook 15 is arranged between two second hooks 16 in the longitudinal direction of the bar member 11 .
- FIG. 16 shows the process of passing the fixing member 10 through the rod member 11.
- the fixing member 10 is passed through the rod member.
- the cylindrical portion 17 of each of the pair of fixing members 10 is passed through the rod member 11 .
- FIG. 17 shows the right fixing member 10R passed through the rod member 11.
- FIG. 18 shows the left fixing member 10L passed through the rod member 11.
- FIG. FIG. 19 is a diagram showing a state in which the bar member of the sling tool for the escalator according to Embodiment 1 is fixed to the handrail.
- FIG. 20 is a diagram showing a main part of the hoisting tool for the escalator according to Embodiment 1.
- FIG. 21 is a diagram showing a state in which the belt of the lifting tool for the escalator according to Embodiment 1 is attached.
- FIG. 22 is a diagram showing a main portion of the other end side of the belt of the hoisting tool of the escalator according to Embodiment 1.
- FIG. FIG. FIG. 19 is a diagram showing a state in which the bar member of the sling tool for the escalator according to Embodiment 1 is fixed to the handrail.
- FIG. 20 is a diagram showing a main part of the hoisting tool for the escalator according to Embodiment 1.
- FIG. 21 is a diagram showing a state in which the belt of
- FIG. 23 is a diagram showing a main portion of one end side of the belt of the hoisting tool of the escalator according to Embodiment 1.
- FIG. FIG. 24 is a diagram showing a state in which the lifting device for the lifting tool of the escalator according to Embodiment 1 is attached.
- FIG. 25 is a diagram showing a main part of the hoisting device for the lifting tool of the escalator according to Embodiment 1.
- FIG. FIG. 26 is a diagram showing a main part of the hoisting device for the lifting tool of the escalator according to Embodiment 1.
- the pair of fixing members 10 are attached to the pair of handrails 4 after passing through the rod members 11 .
- the position of the rod member 11 is adjusted so as to be vertically above the part to be lifted.
- FIG. 20 shows the right fixing member 10R attached to the handrail 4.
- the right fixing member 10R is attached to the handrail 4 from the side while being passed through the rod member 11.
- - ⁇ A fixing screw is fastened to the right side fixing member 10 ⁇ /b>R while it is attached to the handrail 4 .
- the left fixing member 10L is attached to the handrail 4 in the same manner as the right fixing member 10R.
- the left fixing member 10 ⁇ /b>L is fastened with fixing screws while attached to the handrail 4 .
- the rod member 11 is fastened to the step shaft 5 by two belts 12 on the right and left sides of the central portion.
- the pair of fixing members 10 are pressed against each of the pair of handrails 4 by the tension of the belts 12 . Therefore, the maximum static friction force between the fixed member 10 and the handrail 4 is increased.
- FIG. 22 shows the mounting portion between the belt 12 on the right side and the step shaft 5.
- the other end of the belt 12 is wound around the step shaft 5 .
- FIG. 23 shows an attachment portion between the right belt 12 and the bar member 11. As shown in FIG. For example, one end of the belt 12 is attached to the hook portion 16b of the second hook 16 via an S-shaped hook. In this state, tension is generated between one end and the other end of the belt 12 by pulling the end 12a of the belt 12 .
- the worker attaches the lifting device 13 to the first hanging device 15 .
- the hoisting body 13b is suspended from the hook portion 15b of the first hook 15 via a hook.
- the chain body 13a is suspended below the winding body 13b.
- the lifting device 13 is attached to the rod member 11 via the first hook 15 so as to be movable in the longitudinal direction.
- FIG. 27 is a side view of the escalator workbench in Embodiment 1.
- FIG. 27 is a side view of the escalator workbench in Embodiment 1.
- the main plate 21 of the workbench 14 is installed on the mounting step 6b.
- the mounting sheet 29 is in contact with the upper surface of the mounting step 6b.
- the first projecting body 22 is positioned closer to the opening 8 than the mounting step 6b.
- the second projecting body 23 projects to the side opposite to the opening 8 from the mounting step 6b. That is, the second protrusion 23 protrudes to the opposite side of the first protrusion 22 across the upper surface of the mounting step 6b.
- the main plate 21 is constrained by the first projecting body 22 and the second projecting body 23 from moving toward the opening of the mounting step 6b.
- the lower end of the leg 24 is placed on the upper surface of the step 6 one step below the mounting step 6b. At this time, the length of the leg 24 in the longitudinal direction is determined so that the leg 24 can support the load on the second projecting body 23 side of the main plate 21 .
- FIG. 28 is a diagram showing a main part of the drive unit lifted by the lifting tool of the escalator according to Embodiment 1.
- FIG. 29 is a top view of the hoisting device for the lifting tool of the escalator according to Embodiment 1.
- FIG. 30 is a top view of the hoisting device for the lifting tool of the escalator according to Embodiment 1.
- FIG. 28 is a diagram showing a main part of the drive unit lifted by the lifting tool of the escalator according to Embodiment 1.
- FIG. 29 is a top view of the hoisting device for the lifting tool of the escalator according to Embodiment 1.
- FIG. 30 is a top view of the hoisting device for the lifting tool of the escalator according to Embodiment 1.
- FIG. 28 shows the disc brake 7a of the drive unit 7.
- FIG. 28 In the lifting process, an eyebolt is attached to the disc brake 7a. With the hoist body 13b (not shown in FIG. 28) in the first position, the hoist of the chain body 13a is hooked on the eyebolt.
- the hoisting body 13b is moved in the longitudinal direction of the bar member 11 in the lifting process.
- the disk brake 7a suspended by the hoisting body 13b moves in the longitudinal direction of the bar member 11 following the chain body 13a.
- the disk brake 7a moves to a position where it can be lifted.
- the chain body 13a and the hoisting body 13b lift the disc brake 7a to a position higher than the mounting step 6b (not shown in FIG. 30).
- the movement process will be carried out.
- the worker pulls the disk brake 7a toward the mounting step 6b, which is the lower side of the slope of the escalator 1, using a hook or the like.
- the operator moves the disk brake 7a above the workbench 14 (not shown in FIG. 30) installed on the mounting step 6b.
- the lower end of the chain body 13a moves above the workbench 14 together with the disk brake 7a.
- the chain body 13a pulls the hoisting body 13b downward on the slope of the escalator 1.
- the hoisting body 13b rotates about the rod member 11 from the first position to the second position.
- FIG. 31 is a diagram showing components of the drive unit placed on the workbench of the escalator in Embodiment 1.
- FIG. 31 is a diagram showing components of the drive unit placed on the workbench of the escalator in Embodiment 1.
- the placing process is performed.
- the worker operates the lifting device 13 to lower the disc brake 7a while holding the disc brake 7a above the workbench 14 . Specifically, at this time, the worker performs an operation to extend the hoist portion of the lifting device 13 .
- the disc brake 7a is placed on the workbench 14. Then, as shown in FIG. At this time, the disc brake 7a is placed inside a four-sided frame formed by a pair of first frames 25 and a pair of second frames 26. As shown in FIG.
- the disk brake 7a may be repaired after that.
- the step shaft 5 and the disc brake 7a may be fixed with a lashing belt.
- the lashing belt hung on the step shaft 5 passes through the space formed by the second frame 26, the pair of first frames 25, and the mounting surface 21a, and is fixed to the disc brake 7a. .
- the hanging tool 9 includes a pair of fixing members 10 , rod members 11 , belts 12 , first hooks 15 and lifting devices 13 .
- the lifting device 13 includes a chain body 13a and a hoisting body 13b.
- the winding body 13b is provided movably between a first position and a second position about the longitudinal direction of the bar member 11 as an axis. Therefore, the hanging tool 9 can safely place the component on the placing step 6b.
- the hanging tool 9 is composed of simple parts. Therefore, the hanging tool 9 can be easily transported and installed. As a result, the lifting tool 9 can place the component on the placing step 6b and can be easily installed. In addition, the worker can replace parts on the moving route 2 of the escalator 1 .
- the workbench 14 also includes a main plate 21 , a first projecting body 22 and a second projecting body 23 .
- the first projecting body 22 and the second projecting body 23 project downward from the main plate 21 in a state where the workbench 14 is installed on the mounting step 6b.
- a force is generated that pulls the parts from the lifting device 13 toward the opening 8 .
- a frictional force is applied to the workbench 14 from the component in the direction of the opening 8 .
- the second projecting body 23 suppresses movement of the workbench 14 toward the opening 8 . That is, the workbench 14 is stably placed on the placing step 6b. Therefore, the parts of the escalator can be safely placed on the workbench 14 .
- the workbench 14 also includes legs 24 .
- the leg 24 supports the load. Therefore, when the load is applied, the leg 24 can prevent the main plate 21 from rotating around the point of contact between the main plate 21 and the end portion of the mounting step 6b opposite to the opening 8 as a fulcrum. As a result, the workbench 14 can be placed on the placing step 6b in a stable state.
- the leg 24 can be stretched in the direction extending from the second projecting body 23 . Therefore, the legs 24 can be installed according to the height between the steps.
- the leg 24 is detachably provided from the second projecting body 23 .
- the legs 24 are removed when the workbench 14 is to be transported, when the workbench 14 is to be stored, and the like. Therefore, the workbench 14 can be easily transported. Moreover, the space for storing the workbench 14 can be reduced.
- the workbench 14 also includes a pair of first frames 25 and a pair of second frames 26 .
- a component placed on the workbench 14 is laterally supported by at least one of the pair of first frames 25 and the pair of second frames 26 . Therefore, the workbench 14 can suppress overturning of the placed components. As a result, the parts can be placed on the workbench 14 in a stable state.
- the pair of second frames 26 are provided so that their positions in the longitudinal direction can be adjusted by a plurality of adjustment holes 25a. Therefore, the interval between the pair of second frames 26 can be adjusted according to the component.
- the pair of second frames 26 are provided so as to form a gap between them and the mounting surface 21a.
- the part and the step shaft 5 can be fastened through the gap.
- repair work can be safely performed.
- the work of transporting the parts to the lower floor of the escalator can be omitted.
- the escalator parts replacement method includes a first installation process, a second installation process, a lifting process, a moving process, and a placing process. Therefore, the hanging tool 9 can be used to place the component on the placing step 6b. Moreover, the hanging tool 9 can be installed easily.
- the work of lowering the parts placed on the work table 14 to the lower floor where the escalator 1 is hung may be performed.
- the part replacement work for the part concerned may be performed.
- the part of the escalator 1 to be transported is cylindrical, the part may be placed on the workbench 14 so that each of the pair of support rods 27 is in contact with the circumference of the part. In this case, the support bar 27 suppresses rolling movement of the component.
- the parts of the escalator 1 that are transported are not limited to the disc brakes 7a.
- the lifting tool 9 may carry the motor of the drive unit 7 .
- the replacement work of the pulley of the motor may be performed on the workbench 14 .
- the hanging tool 9, work table 14, and parts replacement method according to the present disclosure can be used for maintenance work of the escalator 1.
Landscapes
- Escalators And Moving Walkways (AREA)
Abstract
Description
図1は実施の形態1におけるエスカレーターの吊り工具が適用されたエスカレーター全体の概要図である。
図2は実施の形態1におけるエスカレーターの吊り工具が適用されたエスカレーターの要部を移動経路の下部から見た図である。
図3は実施の形態1におけるエスカレーターの吊り工具の要部の斜視図である。図4は実施の形態1におけるエスカレーターの吊り工具の要部の上面図である。
図5は実施の形態1におけるエスカレーターの吊り工具の掛具を示す図である。
図6は実施の形態1におけるエスカレーターの作業台の斜視図である。
図7は実施の形態1におけるエスカレーターの作業台の側面図である。図8は実施の形態1におけるエスカレーターの作業台を設置面の側からみた図である。
図9は実施の形態1におけるエスカレーターの作業台を載置面の側からみた図である。図10は実施の形態1におけるエスカレーターの作業台の載置面の要部を示す図である。
図11は実施の形態1におけるエスカレーターの作業台を長辺方向に向かってみた図である。図12は実施の形態1におけるエスカレーターの作業台の要部を示す図である。図13は実施の形態1におけるエスカレーターの作業台の脚部が取り外された状態を示す図である。
図14は実施の形態1におけるエスカレーターの吊り工具の掛具を取り付ける工程を示す図である。図15は実施の形態1におけるエスカレーターの吊り工具の掛具が取り付けられた棒部材を示す図である。図16は実施の形態1におけるエスカレーターの吊り工具の固定部材を取り付ける工程を示す図である。図17は実施の形態1におけるエスカレーターの吊り工具の右側固定部材を示す図である。図18は実施の形態1におけるエスカレーターの吊り工具の左側固定部材を示す図である。
図19は実施の形態1におけるエスカレーターの吊り工具の棒部材が手すりに固定された状態を示す図である。図20は実施の形態1におけるエスカレーターの吊り工具の要部を示す図である。図21は実施の形態1におけるエスカレーターの吊り工具のベルトが取り付けられた状態を示す図である。図22は実施の形態1におけるエスカレーターの吊り工具のベルトの他端側の要部を示す図である。図23は実施の形態1におけるエスカレーターの吊り工具のベルトの一端側の要部を示す図である。図24は実施の形態1におけるエスカレーターの吊り工具の揚重装置が取り付けられた状態を示す図である。図25は実施の形態1におけるエスカレーターの吊り工具の揚重装置の要部を示す図である。図26は実施の形態1におけるエスカレーターの吊り工具の揚重装置の要部を示す図である。
図27は実施の形態1におけるエスカレーターの作業台が設置された状態の側面図である。
図28は実施の形態1におけるエスカレーターの吊り工具によって吊り上げられるドライブユニットの要部を示す図である。図29は実施の形態1におけるエスカレーターの吊り工具の揚重装置を上方から見た図である。図30は実施の形態1におけるエスカレーターの吊り工具の揚重装置を上方から見た図である。
図31は実施の形態1におけるエスカレーターの作業台に置かれたドライブユニットの部品を示す図である。
Claims (1)
- エスカレーターの一対の手すりのそれぞれに取り付けられた一対の固定部材と、
棒状に形成され、両側の端部が前記一対の固定部材にそれぞれ固定された棒部材と、
前記エスカレーターの乗客が乗るステップが取り付けられるステップ軸と前記棒部材とを締結するベルトと、
前記棒部材の中央部において前記棒部材の長手方向を軸として回転可能に設けられた掛具と、
前記エスカレーターの部品を吊り下げるチェーン体と、
前記掛具に吊り下げられ、前記チェーン体の上端が取り付けられ、前記部品の鉛直上方の第1位置において前記チェーン体を巻き上げることで前記部品を設置場所から上方に吊り上げ、前記チェーン体の下端と吊り上げた前記部品とが前記部品を載置するステップの鉛直上方に位置する場合に、前記チェーン体の上端に引っ張られて前記掛具が前記棒部材の長手方向を軸として回転することで前記第1位置から第2位置へと移動可能に設けられた巻上体と、
を備えたエスカレーターの吊り工具。
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CN202180100239.4A CN117580796A (zh) | 2021-07-05 | 2021-07-05 | 自动扶梯的悬吊工具 |
JP2023532891A JP7491473B2 (ja) | 2021-07-05 | エスカレーターの部品交換方法 | |
PCT/JP2021/025334 WO2023281592A1 (ja) | 2021-07-05 | 2021-07-05 | エスカレーターの吊り工具 |
KR1020247001135A KR20240019830A (ko) | 2021-07-05 | 2021-07-05 | 에스컬레이터의 서스펜션 공구 및 에스컬레이터의 부품 교환 방법 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08319079A (ja) * | 1995-05-23 | 1996-12-03 | Mitsubishi Electric Corp | 乗客コンベヤ用機器運搬装置 |
JPH10175789A (ja) * | 1996-12-16 | 1998-06-30 | Hitachi Building Syst Co Ltd | エスカレータの踏段運搬方法および運搬装置 |
JP2017186099A (ja) * | 2016-04-01 | 2017-10-12 | 三菱電機ビルテクノサービス株式会社 | エスカレータの手すり軸切断支持構造及び手すり軸切断方法 |
JP2020193079A (ja) * | 2019-05-28 | 2020-12-03 | 三菱電機ビルテクノサービス株式会社 | 乗客コンベアの部品運搬工具、及びそれを用いた部品運搬方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7167836B2 (ja) | 2019-04-25 | 2022-11-09 | 三菱電機ビルソリューションズ株式会社 | 乗客コンベアの作業用ステップおよびその作業用ステップを用いた作業方法 |
-
2021
- 2021-07-05 CN CN202180100239.4A patent/CN117580796A/zh active Pending
- 2021-07-05 KR KR1020247001135A patent/KR20240019830A/ko unknown
- 2021-07-05 WO PCT/JP2021/025334 patent/WO2023281592A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08319079A (ja) * | 1995-05-23 | 1996-12-03 | Mitsubishi Electric Corp | 乗客コンベヤ用機器運搬装置 |
JPH10175789A (ja) * | 1996-12-16 | 1998-06-30 | Hitachi Building Syst Co Ltd | エスカレータの踏段運搬方法および運搬装置 |
JP2017186099A (ja) * | 2016-04-01 | 2017-10-12 | 三菱電機ビルテクノサービス株式会社 | エスカレータの手すり軸切断支持構造及び手すり軸切断方法 |
JP2020193079A (ja) * | 2019-05-28 | 2020-12-03 | 三菱電機ビルテクノサービス株式会社 | 乗客コンベアの部品運搬工具、及びそれを用いた部品運搬方法 |
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KR20240019830A (ko) | 2024-02-14 |
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