CN111655603B - Elevator work table and elevator - Google Patents
Elevator work table and elevator Download PDFInfo
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- CN111655603B CN111655603B CN201880087792.7A CN201880087792A CN111655603B CN 111655603 B CN111655603 B CN 111655603B CN 201880087792 A CN201880087792 A CN 201880087792A CN 111655603 B CN111655603 B CN 111655603B
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- car
- elevator
- stopping device
- movement
- lock member
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
An elevator work platform (10) is provided with a connecting member (11) detachably attached to an upper surface portion (120a) of a car (120), and a work floor assembly (15) detachably supported by the connecting member (11). The connecting member (11) can be attached to the car (120) when the stopping device (130) operates and restricts the lifting movement of the car (120).
Description
Technical Field
The present invention relates to an elevator operation platform provided above a car, and an elevator provided with the elevator operation platform.
Background
Generally, a maintenance target device such as a hoisting machine is installed at the top of an elevator shaft of an elevator. When performing maintenance inspection of the equipment to be maintained, the operator enters an elevator operation table provided above the car to perform maintenance inspection. As the above-described elevator operating floor, for example, there is an elevator operating floor described in patent document 1.
Patent document 1 describes a technique including an inspection work table provided on a car, a work drive for raising the inspection work table, and a guide rail for guiding the raising of the inspection work table.
Documents of the prior art
Patent document
Patent document 1: japanese patent laid-open publication No. 2015-155340
Disclosure of Invention
Technical problem to be solved by the invention
However, in the technique described in patent document 1, since the work platform is always provided above the car, the weight of the car increases at that portion of the work platform, which causes a problem that the weight of other equipment that can be mounted on the car decreases.
In view of the above, the present invention provides an elevator platform detachably mountable to a car with safety ensured, and an elevator
Technical scheme for solving technical problem
In order to solve the above problems, an elevator service platform includes a coupling member detachably attached to an upper surface portion in a vertical direction of a car of an elevator, and a floor assembly detachably supported by the coupling member. The connecting member can be attached to the car when the stopping device provided on the upper surface portion of the car operates to restrict the lifting movement of the car.
The elevator comprises a lift car which is arranged in a lift shaft of a building structure and moves up and down; a stopping device which is arranged on the upper surface part of the car in the vertical direction and limits the lifting of the car; and an elevator operation platform detachably arranged on the upper surface part of the cage. The above-described elevator platform is used as an elevator platform.
Effects of the invention
According to the above-described structure of the elevator platform and the elevator, the elevator platform can be detachably attached to the car with safety ensured.
Drawings
Fig. 1 is a schematic configuration diagram showing a ceiling portion of an elevator according to an embodiment.
Fig. 2 is a plan view showing a hoistway of an elevator according to the embodiment.
Fig. 3 is a perspective view showing an elevator platform according to an embodiment.
Fig. 4 is a plan view showing a state in which an elevator operation platform is installed on a car of an elevator according to an embodiment.
Fig. 5 is a side view showing an elevator platform according to an embodiment.
Fig. 6 is a plan view showing a coupling member of an elevator platform according to an embodiment.
Fig. 7 is a side view showing a connecting member of an elevator platform according to an embodiment.
Fig. 8 is a side view showing a folded state of the work floor assembly of the elevator working platform according to the embodiment.
Detailed Description
An elevator operation table and an embodiment of an elevator will be described below with reference to fig. 1 to 8. In the drawings, the same reference numerals are given to the common members.
1. Examples of the embodiments
1-1. Structure of elevator
First, the structure of an elevator according to an embodiment (hereinafter referred to as the present example) will be described with reference to fig. 1 and 2.
Fig. 1 is a schematic configuration diagram showing a configuration example of an elevator of this example. Fig. 2 is a plan view showing a hoistway of an elevator.
As shown in fig. 1, the elevator 1 of this example is provided in an elevator shaft 110 formed in a building structure. The elevator 1 performs a lifting operation in the elevator shaft 110, and includes a car 120 on which people or goods are loaded, a main rope, a counterweight, a hoisting machine, and the like, which are not shown. A maintenance target device 150 such as a hoisting machine is provided at the top of the elevator shaft 110.
One axial end of the main rope is connected to an upper portion of the car 120, and the other axial end of the main rope is connected to an upper portion of the counterweight. Therefore, the car 120 is connected to the counterweight via the main rope.
Inside the elevator hoistway 110, a car-side guide rail 201 is vertically disposed along the elevator hoistway 110. The car 120 is slidably supported on the car-side guide rail 201 by a slider not shown. Then, by driving the hoisting machine, the car 120 is moved up and down in the elevator shaft 110 along the pair of car-side guide rails 201. The extending direction of the car-side guide rail 201, i.e., the direction in which the car 120 moves up and down, is set to the vertical direction.
Further, when the maintenance inspection is performed on the maintenance target equipment 150, the car 120 moves to the vicinity of the top of the elevator shaft 110.
Fig. 2 is a plan view showing an upper surface portion of the car.
As shown in fig. 2, an upper beam 121 and a stopper 130, which represent one example of a support member, are provided on an upper surface portion 120a of the car 120. An upper beam 121 extends in a horizontal direction orthogonal to the vertical direction on an upper surface portion 120a of the car 120. A fixing hole 121b for fixing a work table 10 described later is provided in an upper surface portion of the upper beam 121 in the vertical direction.
The car-side guide rails 201 are disposed on both sides of the upper beam 121 of the car 120 in the longitudinal direction. The maintenance target equipment 150 is provided in the elevator shaft 110 (see fig. 1) at one end in the longitudinal direction of the upper beam 121 of the car 120.
The stopping devices 130 are provided at both ends of the upper beam 121 in the upper surface portion of the car 120. In fig. 2, only the stopping device 130 arranged on the maintenance target equipment 150 side is shown.
The stopping device 130 mechanically and electrically restricts the up-and-down movement of the car 120 during the maintenance inspection of the maintenance target equipment 150. The stopping device 130 has a receiving member 131, a locking member 132, a guide member 133, and a switch 136.
The receiving member 131 is fixed to the upper surface portion 121a of the car 120. The cross-sectional shape of the storage member 131 cut in the vertical direction is formed in a substantially U-shape. The housing member 131 has a housing recess 131a formed therein, and the housing recess 131a is open on one upper surface in the vertical direction. The locking member 132 is received in the receiving recess 131 a. A guide member 133 is disposed at an end of the housing member 131 on the car-side rail 201 side.
The guide member 133 has a substantially U-shaped cross section taken in the horizontal direction. The guide member 133 has a pair of guide surface portions 134, 134 opposed in the horizontal direction, and a connecting surface portion 135 connecting the pair of guide surface portions 134, 134. The pair of guide surface portions 134 and 134 face each other with a space in the longitudinal direction of the upper beam 121. A guide hole 134a is formed in the guide surface portion 134. A lock member 132 is slidably inserted into the guide hole 134 a.
The locking member 132 is formed of a rod-shaped member. The locking member 132 is slidably supported to the guide member 133. One end portion of the lock member 132 in the axial direction faces the car-side guide rail 201. Further, the other end portion in the axial direction of the lock member 132 is housed in the housing member 131. The other end of the locking member 132 is coupled to the switch 136.
The switch 136 is disposed at an end of the receiving member 131 opposite to the upper beam 121. The switch 136 is electrically connected to a control unit, not shown, for controlling the entire elevator 1 by wire or wireless.
An elevator platform (hereinafter, simply referred to as "platform") 10, which is detachable during maintenance inspection of the equipment 150 to be maintained, is attached to an upper portion in the vertical direction of the car 120 having the above-described configuration.
1-2 structural example of working platform for elevator
Next, the detailed structure of the work table 10 will be described with reference to fig. 3 to 8.
Fig. 3 is a perspective view showing the work table 10, fig. 4 is a plan view showing a state where the work table 10 is installed on the car 120, and fig. 5 is a side view showing the work table 10.
As shown in fig. 3 to 5, the work table 10 includes a 1 st coupling member 11; the 2 nd connecting member 12; a work floor assembly 15; a fall arrest fence 16. The 1 st coupling member 11 is fixed to one end portion of the upper beam 121 in the longitudinal direction, and the 2 nd coupling member 12 is fixed to a middle portion of the upper beam 121 in the longitudinal direction. The 1 st coupling member 11 and the 2 nd coupling member 12 are detachably fixed to the upper beam 121 by fixing bolts 61, respectively. The work floor assembly 15 is detachably fixed to the 1 st coupling member 11 and the 2 nd coupling member 12 by the stay bolts 62.
Fig. 6 is a plan view showing the 1 st coupling member 11, and fig. 7 is a side view showing the 1 st coupling member 11.
As shown in fig. 6 and 7, the 1 st coupling member 11 includes a fixing surface portion 21, a support surface portion 22, a regulating plate 23, and a protective cover 24.
The fixed surface portion 21 is formed in a rectangular substantially flat plate shape. The fixing surface portion 21 is provided with a fastening hole 21a to which a fixing bolt 61 (see fig. 5) is screwed. As shown in fig. 5, the fixing surface portion 21 is placed on the upper surface portion 121a of the upper beam 121, and is fastened and fixed to the upper beam 121 by the fixing bolt 61. A support surface portion 22 is formed substantially vertically and continuously at one end portion of the fixed surface portion 21.
The support surface portion 22 is bent upward in the vertical direction from one end portion of the fixing surface portion 21 and substantially vertically. The support surface 22 is provided with a fastening portion 22a to which the support bolt 62 is screwed. As shown in fig. 5, a support column 31 of a work floor assembly 15 described later is fastened and fixed to the support surface portion 22 by a support bolt 62. A reinforcing surface portion 25 is provided at a corner portion between the fixing surface portion 21 and the support surface portion 22 to connect the fixing surface portion 21 and the support surface portion 22.
A regulating plate 23 is provided on the other end portion of the fixed surface portion 21 opposite to the one end portion provided with the support surface portion 22. The restricting plate 23 is bent substantially perpendicularly downward in the vertical direction from the end portion of the fixing surface portion 21 opposite to the end portion provided with the reinforcing surface portion 25. When the fixing surface portion 21 is placed on the upper surface portion 121a of the upper beam 121, the restricting plate 23 is inserted into the storage recess 131a of the storage member 131.
A protective cover 24 is attached to the other end of the fixing surface 21 by a fixing screw 28. The protective cover 24 protrudes from the other end of the fixed surface portion 21 by a predetermined length, and the tip end is bent downward in the vertical direction. When the fixing surface portion 21 is placed on the upper surface portion 121a of the upper beam 121, the protective cover 24 covers the upper portion of the stopper 130 in the vertical direction of the switch 136.
As shown in fig. 3 and 4, the 2 nd coupling member 12 has a fixing surface portion 21 and a supporting surface portion 22, similarly to the 1 st coupling member 11. The 2 nd coupling member 12 has a structure in which the regulating plate 23 and the protective cover 24 are removed from the 1 st coupling member 11, and the other structures are the same as those of the 1 st coupling member 11, and therefore, the description thereof is omitted.
Next, the work floor assembly 15 will be explained.
Fig. 8 is a side view showing a state where the work floor assembly 15 is folded.
As shown in fig. 3 to 5, the work floor assembly 15 includes 2 support columns 31, a base portion 32, and a floor member 34. The 2 support columns 31, 31 are fixed to the 1 st joining member 11 or the 2 nd joining member 12 by support bolts 62. As shown in fig. 5, the lower end portion of the support column 31 in the vertical direction is fastened and fixed to the side surface portion 121c of the upper beam 121 by the fixing bolt 63.
As shown in fig. 3, a reinforcing member 52 is fixed to connect the 2 support columns 31, 31. As shown in fig. 5, the support column 31 is provided with an engagement portion 31 a. The engaging portion 31a is formed by forming a notch at the end of the lower end portion of the support column 31 in the vertical direction opposite to the upper beam 121.
A rotation shaft 36 is attached to an upper end portion of the support column 31 in the vertical direction. The base portion 32 is rotatably supported on the rotating shaft 36. Therefore, the 2 support columns 31 and the base portion 32 are coupled by the rotation shaft 36.
As shown in fig. 8, the 2 support columns 31 and 31 are rotated about the rotation shaft 36, whereby the 2 support columns 31 and 31 are overlapped with the base portion 32. This makes it possible to fold the work floor assembly 15 small, and to easily carry the work floor assembly 15. Further, the space for storing the work floor assembly 15 can be reduced.
The base portion 32 is formed in a substantially flat plate shape. A plurality of openings 32a are formed in one surface of the base portion 32. This can reduce the weight of the work floor assembly 15. A support 37 is rotatably attached to a side surface of the base 32.
The support 37 is formed by bending a rod-like member. A rotation pin 37a is provided at one end of the support body 37. The pivot pin 37a is rotatably supported by a side surface portion of the base portion 32. After the work floor assembly 15 is unfolded, an engagement piece 37b is provided at the other end of the support 37 opposite to the one end. The engaging piece 37b is detachably engaged with the engaging portion 31 a. Thus, the support body 37 is sandwiched between the base portion 32 and the support column 31.
As shown in fig. 3, a floor member 34 is placed on one surface of the base portion 32. The floor member 34 is formed in a rectangular flat plate shape. A skirting board 34a is formed on the peripheral edge of the floor member 34. The kick plate 34a is bent substantially vertically upward from the peripheral edge of the floor member 34.
In the present example, the example in which the skirting board 34a is provided on the floor member 34 has been described, but the present invention is not limited to this, and the skirting board may be provided on the base portion 32, or may be configured as a member separate from the base portion 32 or the floor member 34.
The reinforcing member 51 is fixed to the other surface of the base portion 32 opposite to the one surface on which the floor member 34 is provided. The strength of the base portion 32 is increased by the reinforcing member 51.
A fall arrest fence 16 is removably mounted on the base 32. The fall arrest fence 16 has 4 feet 41, a handrail 42 and a fixing member 43. The 4 leg portions 41 are fixed to four corners of the base portion 32 by fixing members 43. The armrest 42 is attached to the upper end of the leg 41 in the vertical direction by a fixing screw 64. The handrail 42 is attached to three sides of the building structure except for one side on the elevator hall 301 side (see fig. 4) where the worker enters and exits. The safety of the worker at the time of maintenance inspection can be ensured by this handrail 42.
The structures of the work floor assembly 15 and the fall prevention fence 16 are not limited to the above examples, and various other structures can be applied. For example, a chain or rope or the like may be used as the handrail 42 of the fall arrest fence 16. The base portion 32 or the floor member 34 of the work floor assembly 15 may be formed of a plurality of members, or the base portion 32 may be formed to be foldable.
2. Working example for installing elevator working platform
Next, an example of the installation work of the work table 10 having the above-described configuration will be described.
First, as shown in fig. 1, the car 120 is raised to the vicinity of the maintenance target equipment 150. Thus, as shown in fig. 3 and 4, one end of the lock member 132 in the stopping device 130 faces the restriction hole 201a provided in the car-side rail 201. Then, by sliding the lock member 132 in its axial direction, the one end portion of the lock member 132 is inserted into the restricting hole 201a in a pluggable manner. As a result, the up-and-down movement of the car 120 can be mechanically restricted by the stopping device 130.
When the lock member 132 is slid and inserted into the limiting hole 201a, the switch 136 outputs a stop signal to a control unit, not shown. Thereby, the control unit stops the driving of the hoisting machine. As a result, the up-and-down movement of the car 120 is electrically restricted by the stopping device 130. This prevents the car 120 from moving up and down contrary to the intention of the operator during maintenance inspection, and ensures safety during maintenance inspection.
Next, the fixing surface portions 21 of the 1 st and 2 nd coupling members 11 and 12 of the work table 10 are placed on the upper surface portion 121a of the upper beam 121. At this time, the regulating plate 23 of the 1 st coupling member 11 is inserted into the housing recess 131a of the housing member 131. The restricting plate 23 faces the other end of the lock member 132. Next, the 1 st coupling member 11 and the 2 nd coupling member 12 are fastened and fixed to the upper beam 121 by the fixing bolt 61. Thus, the 1 st coupling member 11 and the 2 nd coupling member 12 are fixed to the upper beam 121 having high strength on the car 120, and the work table 10 can be stably installed.
As shown in fig. 2, when the lock member 132 of the stopper 130 is not inserted into the restriction hole 201a, the other end of the lock member 132 is received in the receiving recess 131 a. Therefore, the restricting plate 23 of the 1 st coupling member 11 interferes with the lock member 132, and the 1 st coupling member 11 cannot be fixed to the upper beam 121.
That is, the 1 st coupling member 11 cannot be fixed in a state where the stopper 130 is not operated to secure safety. As shown in fig. 3 and 4, the work table 10 can be set by fixing the 1 st coupling member 11 only in a state where the stop device 130 is operated and safety is secured.
When the 1 st coupling member 11 is placed on the upper beam 121, the protective cover 24 covers the upper side of the switch 136 of the stopper 130 in the vertical direction. This prevents the protective cover 24 from accidentally pushing the switch 136 during maintenance and inspection, and thus prevents the switch 136 from being damaged.
Next, the work floor assembly 15 is unfolded, and the engagement piece 37b of the support body 37 is engaged with the engagement portion of the support column 31. This sandwiches the support body 37 between the base portion 32 and the support column 31, and thus prevents the base portion 32 from rotating about the rotation shaft 36 toward the support column 31. As a result, the work floor assembly 15 can be prevented from being folded against the intention of the operator during maintenance and inspection, and the safety of the work can be improved.
Then, the 2 support columns 31, 31 are fastened and fixed to the 1 st joining member 11 and the 2 nd joining member 12 by the support bolts 62. As shown in fig. 5, the lower end portion of the support column 31 is fastened and fixed to the side surface portion 121c of the upper beam 121 by the fixing bolt 63.
The engagement operation of the support 37 may be performed after the 2 support columns 31 and 31 are fixed to the 1 st coupling member 11, the 2 nd coupling member 12, and the upper beam 121.
Next, the floor member 34 is placed on one surface of the base portion 32 and attached. Four feet 41 of the fall arrest fence 16 are provided vertically at the four corners of the base section 32. The leg 41 is fixed to the base portion 32 by a fixing member 43. Next, the armrest 42 is attached to the upper end of the leg 41 using the fixing screw 64. This completes the installation work of the work table 10.
The restriction plate 23 faces the other end portion of the lock member 132, and therefore can restrict the movement of the lock member 132 toward the other end portion in the axial direction. Therefore, in a state where the 1 st coupling member 11 is placed on the upper beam 121, the lock member 132 cannot be pulled out from the restriction hole 201 a. That is, the restricting plate 23 restricts the movement of the stopping device 130 in the direction in which the restriction of the ascending/descending movement of the car 120 is released. As a result, the restriction of the movement of the car 120 in the up-and-down direction by the stopping device 130 is not released at the time of maintenance inspection, and therefore, the safety at the time of maintenance inspection can be improved.
In the stopping device 130, the restriction of the up-and-down movement of the car 120 cannot be released until the 1 st coupling member 11 is detached from the upper beam 121 and the restricting plate 23 is removed from the accommodating recess 131 a. Thus, the stopping device 130 is not released until the work platform 10 is detached from the car 120, and therefore, the detachment work of the work platform 10 can be safely performed.
As described above, the work platform 10 cannot be installed in the car 120 before the operation of the stopping device 130, and therefore, the work platform 10 cannot be installed in the car 120 during normal operation other than maintenance inspection, and therefore, the weight of the car 120 can be reduced.
The present invention is not limited to the embodiments described above and shown in the drawings, and various modifications can be made without departing from the scope of the invention described in the claims. In the above embodiment, the example in which the regulation plate 23 and the protective cover 24 are provided only on the 1 st coupling member 11 has been described, but the present invention is not limited thereto, and the regulation plate 23 and the protective cover 24 may be provided on the 2 nd coupling member 12.
For example, when the device 150 to be maintained is disposed in the elevator hoistway 110 on the other end side in the longitudinal direction of the upper beam 121 of the car 120, the 2 nd coupling member 12 is fixed to the other end side in the longitudinal direction of the upper beam 121. Then, the regulating plate 23 provided in the 2 nd connecting member 12 is inserted into the storage recess of the stopper disposed at the other end portion in the longitudinal direction of the upper beam 121.
The present invention is not limited to this. The restricting hole 201a into which the lock member 132 is inserted in a pluggable manner is not limited to the one provided in the car-side rail 201. It is also possible to form the restricting hole in a member different from the car-side guide rail 201 provided in the elevator hoistway 110, such as a guide rail bracket or a counterweight-side guide rail that slidably supports the counterweight.
In the present specification, terms such as "parallel" and "orthogonal" are used, but they do not mean "parallel" and "orthogonal" strictly, and include "parallel" and "orthogonal" and may be in a state of "approximately parallel" and "approximately orthogonal" within a range in which the functions thereof can be exhibited.
Description of the reference symbols
1 elevator, 10. working platform (working platform) for elevator, 11. first connecting member (connecting member), 12 second connecting member, 15 working floor assembly, 16 anti-falling fence, 21 fixing surface portion, 21a fastening hole, 22 supporting surface portion, 22a fastening portion, 23 restricting plate, 24 protecting cover, 31 supporting pillar, 31a engaging portion, 32 base portion, 32a opening portion, 34 floor member, 36 rotating shaft, 37 supporting body, 37a rotating pin, 37b engaging piece, 41 foot portion, 42 armrest, 43 fixing member, 110 elevator shaft, 120 car, 120a upper surface portion, 121 upper beam (supporting member), 121a upper surface portion, 121b fixing hole, 121c side surface portion, 130 stopping device, 131 receiving member, 131a receiving recess portion, 132 locking member, 133 guiding member, 134a guiding hole, 136 switch, 150 maintenance object device, 201 car side guiding rail, 201a restricting hole.
Claims (9)
1. An elevator operation table, comprising:
a connecting member detachably attached to an upper surface portion in a vertical direction of a car of an elevator;
a work floor assembly detachably supported by the coupling member,
the coupling member may be attached to the car when a stopping device provided on an upper surface portion of the car operates to restrict an upward and downward movement of the car.
2. The operating platform for an elevator according to claim 1,
the coupling member includes a restriction plate that is insertable into the stopping device when the stopping device restricts the upward and downward movement of the car, and interferes with the stopping device when the stopping device releases the restriction of the upward and downward movement of the car.
3. The operating platform for an elevator according to claim 2,
when the limiting plate is inserted into the stopping device, the limiting plate limits the movement of the stopping device in a direction in which the limitation of the lifting movement of the car is released.
4. The operating platform for an elevator according to claim 1,
a switch for electrically restricting the up-and-down movement of the car is provided on the stopping device,
the connecting member has a protective cover covering the switch.
5. The operating platform for an elevator according to claim 1,
the coupling member is detachably attached to a support member provided on an upper surface portion of the car.
6. The operating platform for an elevator according to claim 1,
the work floor assembly includes:
a support post supported on the coupling member;
a base portion rotatably coupled to the support post by a rotation shaft;
a work floor disposed on the base portion.
7. The operating platform for an elevator according to claim 1,
a locking member that mechanically restricts the up-and-down movement of the car and a switch that electrically restricts the up-and-down movement of the car are provided on the stopping device,
the connecting member has:
a restricting plate that is inserted into the stopping device when the lock member restricts the elevating movement of the car, and interferes with the lock member when the lock member releases the restriction of the elevating movement;
a protective cover covering the switch,
the restricting plate restricts an operation of the lock member in a direction in which restriction of an ascending/descending movement of the car is released when the restricting plate is inserted into the stopping device,
the work floor assembly includes:
a support post supported on the coupling member;
a base portion rotatably coupled to the support post by a rotation shaft;
a work floor placed on the base portion,
the elevator operating platform also comprises a falling-prevention fence which is vertically arranged on the operating floor assembly in a detachable mode.
8. An elevator, characterized by comprising:
a cage which is arranged in an elevator shaft of a building structure and moves up and down;
a stopping device which is arranged on the upper surface part of the car in the vertical direction and limits the lifting movement of the car;
an elevator operation platform detachably arranged on the upper surface part of the cage,
the elevator service platform comprises:
a connecting member detachably attached to the upper surface portion of the car;
a working floor assembly detachably supported by the connecting member,
the coupling member may be attached to the car when the stopping device operates to restrict the lifting movement of the car.
9. Elevator as defined in claim 8,
the stopping device is provided with;
a lock member that is inserted into a restriction hole provided in the elevator shaft in a pluggable manner and restricts an elevating movement of the car;
a receiving member that supports the lock member so as to be slidable and that opens upward in the vertical direction;
a switch for outputting a stop signal to a control unit for controlling the up-and-down movement of the car when the lock member is inserted into the limit hole,
the connecting member has:
a restriction plate that is insertable into the housing member when the lock member is inserted into the restriction hole, and that interferes with the lock member in a state where the lock member is not inserted into the restriction hole;
a protective cover covering the switch.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2018/004599 WO2019155605A1 (en) | 2018-02-09 | 2018-02-09 | Elevator work platform and elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111655603A CN111655603A (en) | 2020-09-11 |
| CN111655603B true CN111655603B (en) | 2021-12-14 |
Family
ID=67548633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880087792.7A Active CN111655603B (en) | 2018-02-09 | 2018-02-09 | Elevator work table and elevator |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6965371B2 (en) |
| CN (1) | CN111655603B (en) |
| WO (1) | WO2019155605A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501405B (en) * | 2021-07-08 | 2023-04-07 | 江苏松诚实业发展有限公司 | Intelligent overhaul platform for mine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005179015A (en) * | 2003-12-22 | 2005-07-07 | Hitachi Ltd | Elevator device |
| CN101066733B (en) * | 2006-12-13 | 2010-09-29 | 上海永大电梯设备有限公司 | Foldable overhaul platform |
| JP2011051733A (en) * | 2009-09-02 | 2011-03-17 | Toshiba Elevator Co Ltd | Car fixing device of elevator |
| CN101698448A (en) * | 2009-10-21 | 2010-04-28 | 允成机电科技(上海)有限公司 | Anti-drop device of machine roomless car roof repairing platform |
| JP2012030927A (en) * | 2010-07-30 | 2012-02-16 | Tokiwa Kogyo Co Ltd | Fall protection method of elevator shaft |
| JP5863242B2 (en) * | 2011-01-05 | 2016-02-16 | 三菱電機株式会社 | Elevator car |
| US20160130115A1 (en) * | 2014-11-07 | 2016-05-12 | Richard C. BLASKA | Retractable overhead access platform for machine room less elevator systems |
-
2018
- 2018-02-09 CN CN201880087792.7A patent/CN111655603B/en active Active
- 2018-02-09 JP JP2019570241A patent/JP6965371B2/en active Active
- 2018-02-09 WO PCT/JP2018/004599 patent/WO2019155605A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN111655603A (en) | 2020-09-11 |
| JP6965371B2 (en) | 2021-11-10 |
| JPWO2019155605A1 (en) | 2021-01-07 |
| WO2019155605A1 (en) | 2019-08-15 |
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