CN115298127A - Elevator installation service platform device and setting method thereof - Google Patents
Elevator installation service platform device and setting method thereof Download PDFInfo
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- CN115298127A CN115298127A CN202080096861.8A CN202080096861A CN115298127A CN 115298127 A CN115298127 A CN 115298127A CN 202080096861 A CN202080096861 A CN 202080096861A CN 115298127 A CN115298127 A CN 115298127A
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- work platform
- car
- elevator installation
- frames
- car ceiling
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- 238000009434 installation Methods 0.000 title claims abstract description 119
- 238000000034 method Methods 0.000 title claims description 24
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 22
- 230000008569 process Effects 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000087 stabilizing 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
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
Provided is a work platform device for installing an elevator, wherein an operator can use a car floor to perform installation work of the elevator. The work platform device for elevator installation is provided with: an emergency stop device which grips a guide rail of an elevator; 2 longitudinal frames connected to the emergency stop device; a lower work platform provided between the 2 vertical frames and having a car floor connected to the 2 vertical frames; and an upper work platform which is provided above the lower work platform and is detachably connected to the 2 vertical frames, the upper work platform including: the four square frames are arranged among the 2 longitudinal frames and are connected with the 2 longitudinal frames; a car ceiling provided below the four frames; and a connection aid that connects the four frames to the car ceiling.
Description
Technical Field
The invention relates to an elevator installation service platform device and an installation method of the elevator installation service platform device.
Background
Documents of the prior art
Patent document
Patent document 1: japanese Kokai publication Sho 58-191181
Disclosure of Invention
Problems to be solved by the invention
However, the work platform device for mounting an elevator described in patent document 1 has a car ceiling of a car room of an elevator for installation in order as a work platform. The car ceiling is provided on a plurality of panels constituting a side surface of the car room. The car ceiling uses the plurality of panels as a support member. The panels prevent an operator located above the car floor from performing elevator installation work. Therefore, when the elevator is installed on the ceiling of the car, the worker cannot install the elevator on the floor of the car.
The present invention has been made to solve the above problems. The invention aims to provide a work platform device for elevator installation and an installation method of the work platform device for elevator installation, which can perform the installation work of an elevator by using a car floor when the installation work of the elevator is performed by using a car ceiling.
Means for solving the problems
The present invention provides an elevator installation work platform device, which comprises: an emergency stop device which holds a guide rail of an elevator; 2 longitudinal frames connected to said emergency stop device; a lower work platform provided between the 2 vertical frames and including a car floor connected to the 2 vertical frames; and an upper work platform which is provided above the lower work platform and is detachably connected to the 2 vertical frames, the upper work platform including: the four square frames are arranged among the 2 longitudinal frames and are connected with the 2 longitudinal frames; a car ceiling provided below the four frames; and a connection auxiliary tool for connecting the four frames with the car ceiling.
The method for setting the elevator installation service platform device comprises the following procedures: a temporary placement step of temporarily placing a car ceiling and four frames on a plurality of temporary placement aids provided on a lower work platform, and connecting the car ceiling and the four frames by means of a connection aid; a lifting step of lifting the car ceiling and the four square frames connected in the temporary placement step upward; a fixing step of fixing the square frame lifted in the lifting step to 2 vertical frames; and a main setting and transferring step of lowering the car ceiling to a position below the four frames fixed in the fixing step by causing the connection auxiliary to perform a jack-up operation, and connecting the car ceiling to a car panel provided on a lower work platform.
Effects of the invention
According to the present invention, an elevator installation work platform device includes: a lower work platform provided with a car floor; four frames connected with the 2 longitudinal frames; a car ceiling disposed below the four frames; and a connection auxiliary tool for connecting the four frames with the ceiling of the car. Therefore, the worker can perform the elevator installation work using the car floor.
Drawings
Fig. 1 is a diagram showing an elevator installation work platform device according to embodiment 1.
Fig. 2 is a diagram showing a connection aid of the elevator installation work platform device according to embodiment 1.
Fig. 3 is a diagram showing a connection aid of the elevator installation work platform device according to embodiment 1.
Fig. 4 is a diagram showing four blocks of the work platform device for elevator installation according to embodiment 1 and a car ceiling.
Fig. 5 is a diagram showing four boxes of the elevator installation work platform device and a car ceiling in embodiment 1.
Fig. 6 is a plan view of a car ceiling of the elevator installation work platform device according to embodiment 1.
Fig. 7 is a diagram showing an elevator installation work platform device according to embodiment 1.
Fig. 8 is a diagram showing a comparative example of the elevator installation work platform device according to embodiment 1.
Fig. 9 is a diagram showing an elevator installation work platform device according to embodiment 2.
Fig. 10 is a diagram showing a temporary placement state of an upper scaffold device of an elevator installation work platform device according to embodiment 3.
Fig. 11 is a diagram showing a guide device of an elevator installation work platform device according to embodiment 3.
Fig. 12 is a diagram showing a lifting process of the elevator installation work platform device according to embodiment 3.
Detailed Description
The mode for carrying out the invention is explained with reference to the drawings. In the drawings, the same or corresponding portions are denoted by the same reference numerals. Repeated explanation of this portion is appropriately simplified or omitted.
Fig. 1 is a diagram showing an elevator installation work platform device according to embodiment 1.
In fig. 1, a hoistway 1 penetrates each floor of a building not shown.
The 2 guide rails 2 are provided inside the hoistway 1. The 2 guide rails 2 are provided to extend vertically upward. The 2 guide rails 2 are arranged parallel to each other.
The work platform device 100 for elevator installation is installed inside the hoistway 1. The work platform device 100 for elevator installation is provided between 2 guide rails 2. The work platform device 100 for mounting an elevator is detachably connected to 2 guide rails.
The work platform device 100 for elevator installation includes an emergency stop device 3, 2 vertical frames 4, a lower work platform 10, and an upper work platform 20.
The emergency stop device 3 is disposed adjacent to the guide rail 2. For example, the emergency stop device 3 grips the guide rail 2. The emergency stop device 3 is detachably connected to the guide rail 2. The emergency stop device 3 is detachably connected to the elevator-mounted work platform device 100.
For example, the emergency stop device 3 can be used as an emergency stop device for a car of an elevator.
The 2 vertical frames 4 are respectively provided in parallel with the guide rails 2. For example, 2 vertical frames 4 are respectively provided between the 2 guide rails 2. One of the 2 vertical frames 4 is connected to the emergency stop device 3.
For example, 2 vertical frames 4 can be used for a vertical frame of a car of an elevator.
The lower work platform 10 includes a car floor 11, a wall footrest seat 12, and a lower armrest 13. The lower work platform 10 is provided between the 2 vertical frames 4.
For example, the car floor 11 has a rectangular surface. The car floor 11 is provided so that a rectangular surface is horizontal to the ground. The car floor 11 is provided between the 2 vertical frames 4. The car floor 11 is connected to 2 vertical frames 4.
For example, the car floor 11 can be used for a car floor of a car of an elevator.
The skirting board seat 12 has 3 skirting boards. The skirting board seat 12 has a U-shape formed by 3 skirting boards.
The skirting board seat 12 is provided above the car floor 11. The wall foot plate seat 12 is provided along 3 sides of a surface provided on the car floor 11. The skirting board seat 12 is connected to the car floor 11.
For example, the wall shoe 12 can be used for a wall shoe of a car of an elevator.
The lower handrail 13 is provided above the car floor 11. The lower handrail 13 is connected to the car floor 11. The lower arm rest 13 is used to block the falling of the worker who works at the lower work platform 10.
The upper work platform 20 includes four frames 21, a car ceiling 22, an upper handrail 23, a plurality of upper skirting boards 24, and a plurality of connection aids 30.
The upper work platform 20 is provided between the 2 vertical frames 4. The upper work platform 20 is disposed above the lower work platform 10.
For example, the four blocks 21 include 4 rod members 21a. For example, the four blocks 21 have a rectangular shape with the sides of the rod-like member 21a. For example, the four blocks 21 include a plurality of connecting portions 21b, and the plurality of connecting portions 21b are used to connect the respective rod members 21a of the 4 rod members 21a.
The four frames 21 are disposed between the 2 vertical frames 4. The four blocks 21 are arranged in such a manner that the rectangular surface is horizontal to the ground. The four frames 21 are detachably connected to each of the 2 vertical frames 4.
For example, the four boxes 21 can be used for the upper frame of the car of the elevator.
For example, each of the 4 rod-like members has a U-shape. For example, the width of each of the 4 rod members 21a is the length L. The 4 rod-like members 21a are provided so that the lower surfaces thereof are present on the same plane.
For example, the car ceiling 22 has a rectangular plate shape. For example, the length of each side of the rectangle of the car ceiling 22 is equal to the length of each side of the rectangle of the four boxes 21. For example, the car ceiling 22 does not have a projection on one surface of the car ceiling 22 within a range of a distance L from the periphery. For example, the car ceiling 22 includes a rectangular parallelepiped storage box on one surface.
The car ceiling 22 is provided between the 2 vertical frames 4. The car ceiling 22 is provided with a rectangular surface parallel to the car floor 11. The car ceiling 22 is provided below the four frames 21.
For example, the car ceiling 22 can be used as a ceiling of a car of an elevator. In this case, the lower surface of the car ceiling 22 is an appearance surface of the car of the elevator.
The upper handrail 23 is provided above the four blocks 21. The upper armrest 23 is connected to the four blocks 21. For example, the upper handrail 23 is connected to the upper portion of each of the plurality of connecting portions 21 b. The upper arm rest 23 is used to block the fall of the worker who performs work at the upper work platform 20.
Each of the upper skirting boards 24 has a plate-like shape. A plurality of upper skirting boards 24 are provided inside the four blocks 21. The plurality of upper skirting boards 24 are in contact with the upper surface of the car ceiling 22. A plurality of upper skirting boards 24 are connected to the upper surface of the car ceiling 22.
A plurality of connection aids 30 are connected to the four blocks 21. For example, the plurality of connection aids 30 are connected to the respective rod members 21a. For example, the plurality of coupling aids 30 are provided near each of the plurality of connection portions 21 b.
The plurality of connection aids 30 are connected to the car ceiling 22. For example, each of the plurality of connection aids 30 has a connection portion to the car ceiling 22 inside a frame formed of 4 rod-shaped members 21a. The plurality of connection aids 30 connect the four frames 21 to the car ceiling 22.
Next, the structure of the connection accessory 30 will be described with reference to fig. 2.
Fig. 2 is a diagram showing a connection aid of the elevator installation work platform device according to embodiment 1.
As shown in fig. 2, the connection aid 30 includes a 1 st mounting portion 31, a bridge portion 32, a 2 nd mounting portion 33, and a jack-up portion 34.
For example, the 1 st mounting part 31 has a rectangular parallelepiped shape. For example, the 1 st mounting part 31 is provided on the upper surface of the rod member 21a. The 1 st mounting portion 31 is connected to the rod 21a. For example, the 1 st attaching part 31 is connected to the rod member 21a using a bolt and a nut.
For example, the bridge portion 32 has an angle shape. For example, the bridge portion 32 is connected to the 1 st mounting portion 31 on one surface thereof. For example, the bridge portion 32 is connected to the 1 st mounting portion 31 using a bolt and a nut.
For example, the 2 nd mounting part 33 has a shape obtained by cutting a square pipe into a ring. That is, for example, the 2 nd mounting portion 33 has an annular shape with a quadrangular outer periphery. For example, the 2 nd mounting portion 33 includes a side having a 1 st length, and the 1 st length is equal to the sum of the vertical length of the four blocks 21 and the vertical length of the 1 st mounting portion 31.
For example, the 2 nd attaching part 33 is provided inside the frame constituted by the 4 rod members 21a. The 2 nd mounting portion 33 is provided between the car ceiling 22 and the bridge portion 32. For example, the 2 nd mounting portion 33 is provided so that a side having the 1 st length is perpendicular to the car ceiling 22.
The 2 nd mounting portion 33 is connected to the car ceiling 22. For example, the 2 nd mounting portion 33 is connected to the car ceiling 22 using bolts and nuts.
The 2 nd mounting portion 33 is connected to the bridge portion 32. For example, the 2 nd mounting portion 33 is connected to one surface of the bridge portion 32.
For example, the jack-up portion 34 includes a jack-up bolt 34a and a nut 34b. For example, a jack bolt 34a and a nut 34b connect the bridge 32 with the mounting part 2 33. For example, the jack portion 34 is provided such that the axis of the jack bolt 34a is perpendicular to the horizontal plane of the car ceiling 22.
Next, a mechanism for changing the relative position of the four boxes 21 and the car ceiling 22 by the connection aid 30 will be described with reference to fig. 3.
Fig. 3 is a diagram showing a connection aid of the elevator installation work platform device according to embodiment 1.
As shown in fig. 3, the connection aid 30 is provided in the form of, for example, the form a or the form B. For example, the connection aid 30 changes its form by changing the position of the nut 34b with respect to the jack-up bolt 34 a. The connection assistant tool 30 changes the relative position of the four frames 21 and the car ceiling 22 by changing the form thereof.
In the configuration a, the four frames 21 are connected to the car ceiling 22. For example, in the configuration a, the bridge portion 32 is in contact with the 2 nd mounting portion 33. In configuration A, nut 34b is present in position A. Position a is defined as the relative position of the nut 34b in configuration a with respect to the jack-up bolt 34 a.
In configuration B, the nut 34B is present in range B. The range B is defined as a range farther from the head of the jack-up bolt 34a than the position a. In the form B, the four frames 21 are not in contact with the car ceiling 22. In the configuration B, the bridge portion 32 does not contact the 2 nd attaching portion 33.
The jack-up portion 34 performs a jack-up operation by changing its form. For example, the raising operation of the raising portion 34 is performed by changing the position of the nut 34b. For example, the position of the nut 34b is changed by rotation of the jack-up bolt 34a or the nut 34b.
Next, a fastening hole provided in the four blocks 21 and the car ceiling 22 will be described with reference to fig. 4.
Fig. 4 is a diagram showing four boxes of the elevator installation work platform device and a car ceiling in embodiment 1.
As shown in fig. 4, the fourth frame 21 includes a plurality of 1 st fastening holes 21c.
The 1 st fastening holes 21c are provided in the rod members 21a, respectively. The plurality of 1 st fastening holes 21c are respectively provided near each of the plurality of connection portions 21 b.
The 1 st fastening holes 21c are provided to reinforce through holes formed in the rod 21a. For example, the 1 st fastening holes 21c are provided so as to thicken the periphery of the through hole provided in the rod member 21a. For example, the plurality of 1 st fastening holes 21c are provided by punching through holes opened in the rod member 21a.
The plurality of 1 st mounting parts 31 are respectively connected to the four blocks 21 by inserting bolts through each of the plurality of 1 st fastening holes 21c.
The car ceiling 22 includes a plurality of 2 nd fastening holes 22a.
The 2 nd fastening holes 22a are provided in the car ceiling 22.
The plurality of 2 nd fastening holes 22a are provided to reinforce through holes formed in the car ceiling 22. For example, each of the 2 nd fastening holes 22a is provided to thicken a periphery of a through hole provided in the car ceiling 22. For example, the 2 nd fastening holes 22a are provided by punching holes in through holes provided in the car ceiling 22.
The plurality of 2 nd mounting portions 33 are connected to the car ceiling 22 by inserting bolts into each of the plurality of 2 nd fastening holes 22a.
Next, a contact surface where the four blocks 21 contact the car ceiling 22 will be described with reference to fig. 5.
Fig. 5 is a diagram showing four boxes of the elevator installation work platform device and a car ceiling in embodiment 1.
As shown in fig. 5, for example, the widths of the 4 rod members 21a are the lengths L. The 4 rod-like members 21a are provided so that the lower surfaces thereof are present on the same plane.
For example, the car ceiling 22 does not have a projection on one surface of the car ceiling 22 within a range of a distance L from the periphery.
Therefore, in the case where the connection aid 30 is in the form a, the 4 rod-shaped members 21a are in contact with the car ceiling 22.
Next, a hole for connection provided in the car ceiling 22 will be described with reference to fig. 6.
Fig. 6 is a plan view of a car ceiling of the elevator installation work platform device according to embodiment 1.
As shown in fig. 6, the car ceiling 22 includes a plurality of alignment holes (シノ holes) 22b. For example, the car ceiling 22 includes a plurality of alignment holes 22b in a region within a distance L from each side thereof. When used as a car ceiling of an elevator, the car ceiling 22 is connected to a plurality of car panels, not shown, through a plurality of alignment holes 22b.
Next, a reinforcing member for stabilizing the installed upper work platform 20 will be described with reference to fig. 7.
Fig. 7 is a diagram showing an elevator installation work platform device according to embodiment 1.
As shown in fig. 7, the work platform device 100 for elevator installation includes a 1 st support member 40a and a 1 st support member 40b.
For example, the 1 st supporting member 40a has a rod-like shape.
One end of the 1 st support member 40a is connected to any one of the 2 vertical frames 4. For example, the other side end of the 1 st supporting member 40a is connected to one corner of the four blocks 21. The 1 st support member 40a connects one of the 2 vertical frames 4 and the four frames 21 to form a diagonally supported rod.
For example, the 1 st supporting member 40b has a rod-like shape.
One end of the 1 st support member 40b is connected to the other of the 2 vertical frames 4 on which the 1 st support member 40a is not provided. For example, the other side end of the 1 st supporting member 40b is connected to one corner of the four blocks 21. The 1 st support member 40b connects the other of the 2 vertical frames 4 and the four frames 21 to form a diagonally-supported rod.
According to embodiment 1 described above, the work platform device 100 for elevator installation includes the emergency stop device 3, 2 vertical frames 4, the lower work platform 10, and the upper work platform 20. The emergency stop device 3 is detachably connected to the guide rail 2. The 2 vertical frames 4 are connected to an emergency stop device. The lower work platform is detachably connected to 2 vertical frames 4. The upper work platform 20 is detachably connected to the 2 vertical frames 4. The lower work platform 10 includes a car floor 11 and a wall footrest base 12. The upper work platform 20 includes four frames 21, a car ceiling 22, and a connection accessory 30. The four frames 21 are detachably connected to the 2 vertical frames 4. The connection auxiliary device 30 detachably connects the four frames 21 to the car ceiling 22. Therefore, in the elevator installation work, the worker can perform the elevator installation work using the lower work platform 10. The worker can easily perform the mounting work and the adjustment work of the lowermost equipment.
The connection aid 30 includes a 1 st attachment portion 31, a bridge portion 32, a 2 nd attachment portion 33, and a jack portion 34. One end of the 2 nd mounting portion is connected to the car ceiling 22. The other end of the 2 nd mounting portion is connected to the bridge portion 32 via the lift portion 34. For example, the jack-up portion 34 moves up and down by rotation of the jack-up bolt 34 a. The 2 nd mounting portion 33 is configured to be freely movable in a relative distance from the bridge portion 32 by the jack portion 34 performing a jack-up operation in the vertical direction. Therefore, the connection aid 30 can freely change the relative distance between the four blocks 21 and the car ceiling 22. As a result, the connection aid 30 can freely lower the position of the car ceiling 22.
The fourth block 21 includes a plurality of 1 st fastening holes 21c. For example, the plurality of 1 st fastening holes 21c are reinforced by thickening. The car ceiling 22 includes a plurality of 2 nd fastening holes 22a. For example, the plurality of fastening holes 22a of the 2 nd order are reinforced by thickening. Therefore, for example, the plurality of 1 st fastening holes 21c can be used as the connection portions by threading at the time of transportation and lifting of the four blocks 21. The plurality of 2 nd fastening holes 22a can be used as connection portions by threading at the time of transportation and hoisting of the car ceiling 22.
The four blocks 21 include 4 rod-like members 21a. The 4 rod-like members 21a are provided so that the lower surfaces thereof are on the same plane. The car ceiling 22 has no protrusion on a contact surface with the four blocks 21. Therefore, in the configuration a, the 4 rod-shaped members 21a are in contact with the car ceiling 22. As a result, the strength of the work platform surface of the car ceiling 22 can be improved. The elevator installation work platform device 100 can suppress the wobbling and bending of the work platform surface of the upper work platform 20.
The car ceiling 22 includes 1 or more alignment holes 22b in the peripheral portion. The 1 or more aligning holes 22b are provided in the regions within the distance L from each side of the car ceiling 22. Here, the distance L is equal to the width of the rod 21a. When the car panel is installed in the elevator installation work platform device 100, 1 or more alignment holes 22b are fitted to the projections provided in the car panel. As a result, the car ceiling 22 can improve the workability of the positioning operation between the car ceiling 22 and the car panel.
The car ceiling 22 is provided with a plurality of upper skirting boards 24 on the upper surface thereof. The plurality of upper skirting boards 24 are in contact with the upper surface of the car ceiling 22. A plurality of upper skirting boards 24 are connected to the car ceiling 22. Therefore, the plurality of upper skirting boards 24 can suppress deformation of the car ceiling 22. As a result, the plurality of upper skirting boards 24 can improve the strength of the car ceiling 22.
The elevator installation work platform device 100 further includes the 1 st support member 40. One end of the 1 st supporting member 40 is connected to any one of the 2 vertical frames 4. The other end of the 1 st supporting member 40 is connected to the four blocks 21. The 1 st support member 40 connects one of the 2 vertical frames 4 to the four frames 21 in a diagonally supported rod shape. Therefore, the 1 st support member 40 can improve the installation strength of the upper working platform 20.
The jack-up portion 34 may be any mechanism capable of being jacked up, and may not include the jack-up bolt 34a and the nut 34b. For example, the jack-up portion 34 has a retractable jack-up structure. For example, the jack-up portion 34 includes a hydraulic cylinder.
Next, an outline of an elevator installation work platform device that does not have the features of the present invention, which uses the car ceiling of an elevator, will be described as a comparative example with reference to fig. 8. The elevator installation work using the work platform device for elevator installation of the comparative example is also referred to as a scaffold-free construction method (WOS construction method).
Fig. 8 is a diagram showing a comparative example of the elevator installation work platform device according to embodiment 1.
As shown in fig. 8, the work platform device 200 for elevator installation is installed in a hoistway not shown.
The work platform device 200 for elevator installation includes 2 vertical frames 201, a car floor 202, a car panel 203, a car ceiling 204, an upper skirting board 205, an armrest 206, and an upper frame 207.
The 2 vertical frames 201 are connected to a guide rail not shown. The car floor 202 is connected to 2 vertical frames 201.
The car panel 203 is formed of a plate-like member. A car panel 203 is connected to the car floor 202. The car panel 203 is supported on the car floor 202.
The car ceiling 204 is connected to the car panel 203. The car ceiling 204 is supported by the car panel 203.
The upper skirting board 205 is provided on the upper surface of the car ceiling 204. The handle 206 is provided on the upper surface of the car ceiling 204. The upper frame 207 is connected to 2 vertical frames 201.
The upper work platform 20 of the present invention, which is not shown, corresponds to the car ceiling 204, the upper skirting board 205, the armrest 206, and the upper frame 207 of the comparative example. On the other hand, the working platform device 200 for elevator installation of the comparative example does not have a structure corresponding to the lower working platform 10, which is not shown.
In the comparative example, the fastening work of the car ceiling 204 and the car panel 203 is performed from the upper surface of the car ceiling 204. For example, the worker who performs the fastening work moves to the fastening work position of the car ceiling 204 by climbing in a hoistway not shown. Therefore, it is difficult for the operator to access the working position. Further, the narrower the hoistway, the more difficult it is to make this approach.
The work platform device 100 for elevator installation according to embodiment 1 has a structure in which the car ceiling 22 can be used as an upper work platform without using a car panel. Therefore, the car floor 11 can be used as the lower work platform 10. Further, the operator can use the upper work platform without performing the fastening work of the car ceiling 204 and the car panel.
Fig. 9 is a diagram showing an elevator installation work platform device according to embodiment 2.
As shown in fig. 9, the car ceiling 22 has no projection on the upper surface. That is, the upper surface of the car ceiling 22 has a flat upper surface.
The elevator installation work platform device 100 includes a plurality of the 2 nd support members 41.
For example, the plurality of 2 nd supporting members 41 have a rod-like shape.
For example, each of the plurality of 2 nd support members 41 is provided so that the longitudinal direction is parallel to the 2 vertical frames 4. For example, one end of each of the plurality of 2 nd support members 41 is connected to a corner of the car floor 11. For example, the other end of each of the plurality of 2 nd support members 41 is connected to a corner of the car ceiling 22.
For example, the plurality of 2 nd support members 41 can be used for a corner post of a car of an elevator.
According to embodiment 2 described above, the car ceiling 22 does not have a projection on the upper surface. The car ceiling 22 is a work platform surface of the upper work platform 20. Therefore, the work platform device 100 for mounting an elevator can improve the workability of the worker on the upper work platform 20.
The elevator installation work platform device 100 further includes a 2 nd support member 41, and the 2 nd support member 41 has a longitudinal direction parallel to the 2 vertical frames 4. One end of the 2 nd support member 41 is connected to a corner of the car floor 11. The other side end of the 2 nd support member 41 is connected to a corner of the four blocks 21. Therefore, the 2 nd support member 41 supports the upper work platform 20 in the vertical direction. As a result, the 2 nd support member 41 can improve the installation strength of the upper work platform 20.
Fig. 10 is a diagram showing a temporary placement state of an upper scaffold device of an elevator installation work platform device according to embodiment 3. The same or corresponding portions as those in embodiment 1 are denoted by the same reference numerals. The description of this part is omitted.
As shown in fig. 10, the work platform device 100 for elevator installation includes a plurality of temporary placement aids 42. For example, the upper work platform 20 can be placed on the plurality of temporary placement aids 42.
For example, the plurality of temporary placement aids 42 have a shape with an E-shaped cross section. The plurality of temporary placement aids 42 each include a temporary placement surface 42a.
The plurality of temporary placement aids 42 are detachably provided on the wall foot plate base 12. The plurality of temporary placement aids 42 are provided so that the temporary placement surfaces 42a are located above the skirting board seat 12. The plurality of temporary placement aids 42 are provided such that the temporary placement surface 42a is parallel to the upper surface of the car floor 11.
For example, when the upper work platform 20 is provided, the car ceiling 22 is placed on the plurality of temporary placement aids 42. For example, the car ceiling 22 is connected to the rectangular frame 21 using the connection aid 30 in a state of being placed on the plurality of temporary placement aids 42.
Next, a description will be given of the guide device 50 that can suppress the horizontal movement of the upper work platform 20 when the upper work platform 20 is moved vertically, with reference to fig. 11.
Fig. 11 is a diagram showing a guide device of an elevator installation work platform device according to embodiment 3.
As shown in fig. 11, the upper work platform 20 includes a guide device 50.
The guide device 50 includes a fixed end 51 and a guide 52.
For example, the guide device 50 is provided on the upper surface of the four blocks 21. The guide device 50 is provided so as to face any one of the 2 guide rails 2.
The fixed end portion 51 is provided on the upper surface of the four blocks 21. The fixed end portion 51 is connected to the rod member 21a using, for example, a bolt and a nut.
The guide portion 52 includes a plurality of wheels 53. For example, the guide portion 52 is provided above the fixed end portion 51. The guide 52 is provided so as to face any one of the 2 guide rails 2.
For example, the plurality of wheels 53 are provided on a surface of the guide portion 52 facing any one of the 2 guide rails 2. The plurality of wheels 53 are provided such that the rotation axis is perpendicular to the surface of the guide portion 52 facing any one of the 2 guide rails 2. The plurality of wheels 53 are provided so that their outer peripheral surfaces have gaps 53 a. The plurality of wheels 53 are provided such that one of the 2 guide rails 2 is positioned in the gap 53 a. The plurality of wheels 53 regulate the movable range of the guide device 50 so that one of the 2 guide rails 2 is positioned between the gaps 53 a.
Next, a lifting process of installing the upper work platform 20 used as the work platform device 100 to the elevator will be described with reference to fig. 12.
Fig. 12 is a diagram showing a lifting process of the elevator installation work platform device according to embodiment 3.
As shown in fig. 12, for example, in the lifting process of the upper work platform 20, the slings 43 are connected to the four blocks 21. The hoist rope 43 is moved in the vertical direction by a crane not shown. The upper work platform 20 is moved in the vertical direction by the hoist 43.
When the upper work platform 20 moves in the vertical direction, the guide device 50 moves along any one of the 2 guide rails 2. In the lifting step, the guide device 50 suppresses the movement of the upper work platform 20 in the horizontal direction.
The work platform device 100 for elevator installation is installed through a plurality of steps. For example, the work platform device 100 for elevator installation is used for an elevator car for installation after the elevator installation work.
The installation method of the elevator installation work platform device 100 includes a temporary placement process, a lifting process, a fixing process, and a formal installation transfer process.
In order to install the operation platform device for installing the elevator, a temporary placing process is firstly carried out. In the temporary storage step, the safety device 3, the car floor 11, and the floor base 12 are installed on 2 guide rails 2 of the hoistway 1. Then, a plurality of temporary placement aids 42 are mounted to the wall foot plate base 12. The car ceiling 22 is placed on the upper surfaces of the temporary placement aids 42. The four frames 21 are placed on the upper surface of the car ceiling 22. Then, the plurality of connection aids 30 connect the four blocks 21 to the car ceiling 22 in the state of the form a.
After the four blocks 21 are connected to the car ceiling 22 by the plurality of connection aids 30, a lifting process is performed. In the lifting process, the slings 43 are connected to the four blocks 21. Then, the hoist rope 43 is lifted by a crane not shown. The upper work platform 20 is hoisted by means of slings 43. The upper work platform 20 is hoisted to a fixed position relative to the 2 guide rails 2.
After the upper work platform 20 is lifted to a predetermined fixed position, a fixing process is performed. In the fixing step, 2 vertical frames 4 are fixed to the safety device 3. The 2 vertical frames 4 are fixed to the car floor 11. The 2 vertical frames 4 are fixed to the four frames 21. A plurality of the 1 st support members 40 or a plurality of the 2 nd support members 41 are connected to the elevator installation as the work platform apparatus 100. Then, the plurality of temporary placement aids 42 are detached from the wall foot plate receptacle 12. The lower handrail 13 is connected to the car floor 11. The upper armrest 23 is connected to the four blocks 21.
After the upper handrail 23 is connected to the four blocks 21, the elevator installation work is started.
After the elevator installation work is finished, the formal setting transfer process is performed. In the main installation transfer step, the lower handrail 13 is removed from the car floor 11. 3 car panels not shown are provided between the car floor 11 and the car ceiling 22. 3 car panels are respectively provided along each of the 3 wall foot plates of the wall foot plate base 12. The lifting portions 34 of the plurality of connection aids 30 perform a lifting operation. Therefore, the plurality of connection aids 30 are changed from the form a to the form B. The car ceiling 22 is lowered by the plurality of connection aids 30. Then, the car ceiling 22 is lowered until it comes into contact with 3 car panels. At this time, the plurality of aligning holes 22b are fitted to each of a plurality of pins, not shown, provided on each of the 3 car panels. The car ceiling 22 is connected to 3 car panels.
After the car ceiling 22 is connected to the 3 car panels, the main installation transfer process is completed.
According to embodiment 3 described above, the work platform device 100 for elevator installation includes the plurality of temporary placement aids 42. The plurality of temporary placement aids 42 have a shape with an E-shaped cross section. The plurality of temporary placement aids 42 are detachably provided on the wall foot plate base 12 so that the temporary placement surfaces 42a are parallel to the upper surface of the car floor 11. Therefore, the car ceiling 22 can be placed on the plurality of temporary placement aids 42. When the car ceiling 22 is connected to the four blocks 21, the plurality of temporary placement aids 42 can prevent damage to the lower surface of the car ceiling 22, which is the exterior surface.
The work platform device 100 for elevator installation is provided with a guide device 50. The guide device 50 includes a fixed end 51 and a guide 52. The guide portion 52 includes a plurality of wheels 53. The guide device 50 is provided so that one of the 2 vertical frames 4 is positioned in the gap 53 a. Therefore, when the upper work platform 20 is hoisted, the guide device 50 can suppress the inclination of the upper work platform 20. When the upper work platform 20 is hoisted, the guide device 50 can suppress the upper work platform 20 from moving in the horizontal direction. As a result, the upper work platform 20 can be lifted in a stable state in the lifting step.
In addition, according to embodiment 3 described above, the installation method of the work platform device for elevator installation includes a temporary placement step, a lifting step, a fixing step, and a main installation transfer step. In the temporary placement step, the car ceiling 22 and the square frame 21 are placed on the plurality of temporary placement aids 42 provided on the lower work platform 10. The connection auxiliary device 30 connects the car ceiling 22 and the square frame 21. In the lifting process, the slings 43 are connected to the four blocks 21. The car ceiling 22 and the four blocks 21 are lifted upward to a predetermined height by the slings 43. In the fixing step, the lower work platform 10 is fixed to the 2 vertical frames 4. The four frames 21 are fixed to the 2 vertical frames 4. In the main installation transfer step, a car panel is installed on the car floor 11 of the lower work platform 10. By rotating the jack bolt of the jack portion 34, the connection auxiliary 30 lowers the car ceiling 22 to a position below the four blocks 21. The car ceiling 22 is connected to the car panel.
By performing the temporary placement step, the car ceiling 22 and the square frame 21 can be lifted at a time in the subsequent lifting step. As a result, the number of lifts for laying the upper working platform 20 can be reduced.
By performing the fixing step, the work platform device 100 for elevator installation includes the lower work platform 10 and the upper work platform 20. Therefore, the work platform device 100 for elevator installation can improve the workability of elevator installation work. For example, the work platform device 100 for elevator installation can improve the workability of the operation of installing the guide rail bracket of the counterweight, not shown.
In the main installation transfer step, the emergency stop devices 3, 2 vertical frames 4, the car floor 11, the skirting boards 12, the four-square frame 21, and the car ceiling 22 of the elevator installation work platform device are used for the elevator car to be installed. As a result, the number of temporary installation components in the elevator installation work platform device can be reduced.
In the main installation transfer step, the car ceiling 22 is lowered by the jack-up operation of the connection accessory 30 in a state where the car ceiling 22 is connected to the four boxes 21. That is, the car ceiling 22 is pushed down. The car ceiling 22 is connected to the car panel in a state of being connected to the four blocks 21. Therefore, the operator can perform the work of connecting the car ceiling 22 and the car panel from the upper portion of the car ceiling 22. As a result, workability can be improved in the work of fastening the car ceiling 22 and the car panel.
The main installation and transfer step is performed after the elevator installation work is completed. The car panel is installed after the installation work is completed. Therefore, for example, the appearance surface of the car panel can be prevented from being damaged during the mounting work.
Industrial applicability
As described above, the work platform device for elevator installation according to the present invention can be used for elevator installation work.
Description of the reference symbols
1: a hoistway; 2: a guide rail; 3: an emergency stop device; 4: a longitudinal frame; 10: a lower work platform; 11: a car floor; 12: a wall gusset plate seat; 13: a lower armrest; 20: an upper work platform; 21: fourthly, square frame; 21a: a rod-like member; 21b: a connecting portion; 21c: 1 st fastening hole; 22: a car ceiling; 22a: a 2 nd fastening hole; 22b: aligning holes; 23: an upper armrest; 30: connecting an auxiliary tool; 31: 1 st installation part; 32: a bridge portion; 33: a 2 nd mounting part; 34: a jack-up portion; 34a: jacking the bolt; 34b: a nut; 40: the 1 st support member; 41: a 2 nd support member; 42: temporarily placing an auxiliary tool; 42a: a temporary placement surface; 50: a guide device; 51: a fixed end portion; 52: a guide section; 53: a wheel; 53a: a gap; 100: an operation platform device for elevator installation; 200: an operation platform device for elevator installation; 201: a longitudinal frame; 202: a car floor; 203: a car panel; 204: a car ceiling; 205: an upper skirting board; 206: a handrail; 207: and (6) putting the frame on.
Claims (12)
1. An elevator installation work platform device is provided with:
an emergency stop device which grips a guide rail of an elevator;
2 longitudinal frames connected to said emergency stop device;
a lower work platform provided between the 2 vertical frames and including a car floor connected to the 2 vertical frames; and
an upper working platform which is arranged above the lower working platform and is detachably connected with the 2 vertical frames,
the upper work platform is provided with:
the four square frames are arranged among the 2 longitudinal frames and are connected with the 2 longitudinal frames;
a car ceiling provided below the four frames; and
and a connection auxiliary tool for connecting the four frames with the car ceiling.
2. The work platform device for elevator installation according to claim 1,
the connection aid includes:
a 1 st mounting part connected to the square frame;
a bridge portion connected to the 1 st mounting portion;
a jacking portion connected to the bridge portion; and
and a 2 nd mounting portion having one end connected to the car ceiling and the other end connected to the jack-up portion, wherein the jack-up portion freely changes a relative position between the 2 nd mounting portion and the bridge portion by performing a jack-up operation in an up-down direction.
3. The work platform device for elevator installation according to claim 1 or 2,
the four blocks are provided with a plurality of 1 st fastening holes reinforced,
the car ceiling is provided with a plurality of reinforced 2 nd fastening holes.
4. The work platform device for elevator installation according to any one of claims 1 to 3,
the square frame is provided with a plurality of rod-shaped members, the rod-shaped members are arranged in a manner that the lower surfaces of the rod-shaped members are on the same plane,
the car ceiling does not have a protrusion on a contact surface with the square frame.
5. The work platform device for elevator installation according to any one of claims 1 to 4,
the car ceiling has no projection on the upper surface.
6. The work platform device for elevator installation according to any one of claims 1 to 5,
the car ceiling is provided with more than 1 aligning hole at the periphery.
7. The work platform device for elevator installation according to any one of claims 1 to 6,
the car ceiling is provided with an upper skirting on the upper surface, and the upper skirting is connected with the car ceiling.
8. The work platform device for elevator installation according to any one of claims 1 to 7,
the elevator installation work platform device is provided with a 1 st supporting member, one end part of the 1 st supporting member is connected with any one of the 2 vertical frames, and the other end part of the 1 st supporting member is connected with the square frame to form a slant supporting rod shape.
9. The work platform device for elevator installation according to any one of claims 1 to 7,
the elevator installation work platform device is provided with a 2 nd support member, wherein the 2 nd support member has a rod-like shape, is provided in a longitudinal direction parallel to the guide rail, and is connected to a corner of the car floor and a corner of the four boxes.
10. The work platform device for elevator installation according to any one of claims 1 to 9, wherein the work platform device for elevator installation comprises:
a wall foot plate seat which is arranged at the upper part of the car floor and is connected with the car floor; and
and a plurality of temporary placement aids having an E-shaped cross section and detachably provided to the wall foot plate base so that 1 surface is parallel to the car floor.
11. The work platform device for elevator installation according to any one of claims 1 to 10, wherein the work platform device for elevator installation includes a guide device, the guide device including:
a fixed end portion detachably fixed to the four frames; and
a guide portion including a plurality of wheels, outer peripheral surfaces of the plurality of wheels facing each other with a gap therebetween,
the guide device is provided so that any one of the 2 vertical frames is positioned in a gap between the plurality of wheels.
12. A method for setting an elevator installation service platform device comprises the following steps:
a temporary placement step of temporarily placing a car ceiling and four frames on a plurality of temporary placement aids provided on a lower work platform, and connecting the car ceiling and the four frames by means of a connection aid;
a lifting step of lifting the car ceiling and the square frame connected in the temporary placement step upward;
a fixing step of fixing the square frame lifted in the lifting step to 2 vertical frames; and
and a main setting and transferring step of lowering the car ceiling to a position below the four frames fixed in the fixing step by causing the connection auxiliary to perform a jack-up operation, and connecting the car ceiling to a car panel provided on a lower work platform.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2020/015366 WO2021199437A1 (en) | 2020-04-03 | 2020-04-03 | Elevator installation work floor device and method for installing elevator installation work floor device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115298127A true CN115298127A (en) | 2022-11-04 |
| CN115298127B CN115298127B (en) | 2024-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080096861.8A Active CN115298127B (en) | 2020-04-03 | 2020-04-03 | Work platform device for elevator installation and method for installing work platform device for elevator installation |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6984795B1 (en) |
| CN (1) | CN115298127B (en) |
| WO (1) | WO2021199437A1 (en) |
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2020
- 2020-04-03 WO PCT/JP2020/015366 patent/WO2021199437A1/en active Application Filing
- 2020-04-03 CN CN202080096861.8A patent/CN115298127B/en active Active
- 2020-04-03 JP JP2021530198A patent/JP6984795B1/en active Active
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| JPS58154281U (en) * | 1982-04-12 | 1983-10-15 | 三菱電機株式会社 | elevator car frame |
| JPS59183479U (en) * | 1983-05-26 | 1984-12-06 | 三菱電機株式会社 | Elevator installation equipment |
| JPH07237848A (en) * | 1994-02-25 | 1995-09-12 | Toshiba Corp | Installation method of elevator |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115298127B (en) | 2024-09-13 |
| JPWO2021199437A1 (en) | 2021-10-07 |
| JP6984795B1 (en) | 2021-12-22 |
| WO2021199437A1 (en) | 2021-10-07 |
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