CN113056432A - Elevator device for construction - Google Patents
Elevator device for construction Download PDFInfo
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- CN113056432A CN113056432A CN201880099084.5A CN201880099084A CN113056432A CN 113056432 A CN113056432 A CN 113056432A CN 201880099084 A CN201880099084 A CN 201880099084A CN 113056432 A CN113056432 A CN 113056432A
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- room unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
- B66B9/16—Mobile or transportable lifts specially adapted to be shifted from one part of a building or other structure to another part or to another building or structure
- B66B9/187—Mobile or transportable lifts specially adapted to be shifted from one part of a building or other structure to another part or to another building or structure with a liftway specially adapted for temporary connection to a building or other structure
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- Structural Engineering (AREA)
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- Transportation (AREA)
- Automation & Control Theory (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The present invention is provided with a crane (9a, 9b, 9c) for machine room unit, which suspends a machine room unit (6) from a support member provided in an elevating channel so as to be movable in an elevating direction, wherein the crane (9a, 9b, 9c) for machine room unit suspends the machine room unit (6) by means of a suspension point (21a, 21b, 21 c). When viewed from an imaginary horizontal plane above the machine room unit (6), distances from the center of gravity (G) of the machine room unit (6) to the hanging points (21a, 21b, 21c) are substantially equal, and the center of gravity (G) is located in a region surrounded by an imaginary straight line connecting the hanging points (21a, 21b, 21 c). Each of the suspension points (21a, 21b, 21c) of the machine room unit (6) is located outside the contour of the work platform (5) when viewed from a virtual horizontal plane above the work platform (5).
Description
Technical Field
The present invention relates to an elevator apparatus for construction.
Background
Conventionally, construction elevator apparatuses have been used for hoisting materials and the like at construction sites. Patent document 1 discloses an example of a construction elevator apparatus. The construction elevator apparatus described in patent document 1 includes two hoisting devices provided in a support structure at an upper portion of a hoistway above a machine room unit, and the two hoisting devices hoist the machine room unit.
Another example of a construction elevator apparatus is described in patent document 2, for example. The construction elevator apparatus described in patent document 2 includes one hoisting device provided above the machine room unit. The hoisting device is driven by a plurality of pulleys provided in a machine room unit and a support structure, respectively, to move in a direction of 1: the machine room unit is hoisted by means of roping (roping) of X.
Documents of the prior art
Patent document
Patent document 1: international publication No. 2016/096694
Patent document 2: international publication No. 2010/100319
Disclosure of Invention
Problems to be solved by the invention
However, the construction elevator apparatus described in patent document 1 lifts the machine room unit at two points and lifts the machine room unit, and thus it is difficult to maintain the stability of the machine room unit. In addition, the construction elevator apparatus described in patent document 2 performs 1: the rope (sling) is disposed in a wide range between the machine room unit and the support structure. Therefore, it is difficult to dispose the work carrier between the machine room unit and the support structure, and the work carrier is disposed on the support structure. In addition, it is difficult to combine 1: the plurality of pulleys required for the X-cord winding are disposed at desired positions in the machine room unit, and it is difficult to stabilize the machine room unit by maintaining balance.
The present invention has an object to provide a construction elevator apparatus that solves the problems of the above-described conventional techniques, and that can maintain the stability of a machine room unit without causing interference between a crane for the machine room unit and a work platform.
Means for solving the problems
In order to solve the above problems and achieve the object of the present invention, a construction elevator apparatus of the present invention includes: a support member provided in the lift path; a work platform and a machine room unit which are disposed below the support member; a crane for a work platform, which suspends the work platform from the support member so as to be movable in a lifting direction; and a crane for the machine room unit, which suspends the machine room unit from the support member so as to be movable in the lifting direction.
The crane for the machine room unit is provided with more than three cranes, and the hoisting point of the machine room unit is more than three. When viewed from a virtual horizontal plane above the machine room unit, distances from the center of gravity of the machine room unit to the suspension points are substantially equal, and the center of gravity is located within a region surrounded by virtual straight lines connecting the suspension points. The work platform is disposed between the support member and the machine room unit. Each of the suspension points of the machine room unit is located outside the contour of the work platform as viewed from an imaginary horizontal plane above the work platform.
Effects of the invention
According to the construction elevator device having the above-described configuration, the crane for the machine room unit and the work platform do not interfere with each other, and the stability of the machine room unit can be maintained.
Problems, structures, and effects other than those described above will be apparent from the following description of the embodiments.
Drawings
Fig. 1 is a schematic configuration diagram of a construction elevator apparatus according to a first embodiment of the present invention.
Fig. 2 is a plan view showing the arrangement relationship of the hoist for the machine room unit, and the work platform of the construction elevator apparatus according to the first embodiment of the present invention.
Fig. 3 is a plan view showing the arrangement relationship of a crane for a machine room unit, and an elevator car of a construction elevator apparatus according to a second embodiment of the present invention.
Fig. 4 is a plan view showing the arrangement relationship of a machine room unit crane, a machine room unit, an elevator car, and a counterweight in a construction elevator apparatus according to a third embodiment of the present invention.
Fig. 5 is a schematic configuration diagram of a construction elevator apparatus according to a fourth embodiment of the present invention.
Detailed Description
Hereinafter, an embodiment of the construction elevator apparatus according to the present invention will be described with reference to fig. 1 to 5.
1. First embodiment
[ Structure of construction Elevator device ]
First, the construction elevator apparatus according to the first embodiment of the present invention will be described with reference to fig. 1.
Fig. 1 is a schematic configuration diagram of a construction elevator apparatus according to a first embodiment.
As shown in fig. 1, a construction elevator apparatus 1 according to a first embodiment is installed in a hoistway 100 formed in a building structure. The construction elevator device 1 includes a first support member 3, a second support member 4, a work platform 5, a machine room unit 6, a support member crane 7, a work platform crane 8, and machine room unit cranes 9a, 9b, and 9 c.
The first support member 3 is fixed to an upper portion in the hoistway 100. The second support member 4 has a movable support portion 12 movably engaged with the elevation path 100, and is configured to be movable in the elevation direction. The second support member 4 is suspended from the first support member 3 by the support member crane 7.
The work platform 5 is suspended from the second support member 4 by a work platform crane 8 and is configured to be movable in the up-down direction. The machine room unit 6 is suspended from the second support member 4 by the machine room unit cranes 9a, 9b, and 9c, and is configured to be movable in the up-down direction.
The machine chamber unit 6 has a movable support portion 13 movably engaged with the ascending/descending path 100. The machine room unit 6 includes a hoisting machine 15, a main rope 16 wound around a sheave of the hoisting machine 15, an elevator car 17 connected to one end of the main rope 16, and a counterweight 18 connected to the other end of the main rope 16.
The construction elevator apparatus 1 having such a configuration operates the elevator car 17 (counterweight 18) of the machine room unit 6 in the up-down direction, and conveys, for example, an operator of building construction to each floor below the machine room unit 6. The installation operator of the elevator apparatus rides on the work platform 5 of the construction elevator apparatus 1, operates the hoist 8 for the work platform, and installs the elevator car side guide rail, the counterweight side guide rail, the in-tower device, and the like in the hoistway 100.
[ hanging point position of machine room unit ]
Next, the hoisting point position of the machine room unit 6 will be described with reference to fig. 2 by using the machine room unit cranes 9a, 9b, and 9 c.
Fig. 2 is a plan view showing the arrangement relationship of the hoist for the machine room unit, and the work platform of the construction elevator apparatus according to the first embodiment.
As described above, the machine room unit 6 is suspended from the second support member 4 by the machine room unit cranes 9a, 9b, and 9c (see fig. 1). Further, the work platform 5 is disposed between the second support member 4 and the machine room unit 6 in the hoistway 100. As shown in fig. 2, the machine room unit cranes 9a, 9b, and 9c have three suspension points 21a, 21b, and 21c as suspension points for the machine room unit 6.
The suspension points 21a, 21b, and 21C are arranged at positions overlapping an imaginary circle C that is drawn on an imaginary horizontal plane with the center of gravity G of the machine room unit 6 as the center and that is outside the contour of the work platform 5. Accordingly, when viewed from a virtual horizontal plane above the machine room unit 6, the distances from the center of gravity G of the machine room unit 6 to the hoisting points 21a, 21b, and 21c of the machine room unit 6 by the cranes 9a, 9b, and 9c are substantially equal.
The center of gravity G of the machine room unit 6 is located in a region surrounded by an imaginary straight line connecting the suspension points 21a, 21b, and 21 c. The suspension points 21a, 21b, and 21c are located outside the contour of the work platform 5 when viewed from a virtual horizontal plane above the work platform 5.
As a result, even when the work platform 5 is moved up and down, the ropes (slings) of the cranes 9a, 9b, and 9c for the machine room unit, the hoisting points 21a, 21b, and 21c, and the work platform 5 can be prevented from interfering with each other. Therefore, the machine room unit 6 can be lifted without carrying out the work platform 5 to the outside of the ascending/descending path 100.
Further, since the load is uniformly applied to the suspension points 21a, 21b, and 21c of the machine room unit 6, the inclination of the machine room unit 6 can be effectively prevented, and the stability of the machine room unit 6 can be maintained. Further, the machine room unit 6 can be hoisted while preventing overload to one crane for the machine room unit.
The center of gravity G of the machine room unit 6 changes depending on the hoistway size of the target elevator apparatus and the installation position of the machine (hoisting machine). Therefore, the suspension points 21a, 21b, and 21c of the construction elevator apparatus of the present embodiment are determined based on the center of gravity G of the machine room unit 6.
2. Second embodiment
[ hanging point position of machine room unit ]
Hereinafter, a construction elevator apparatus according to a second embodiment of the present invention will be described with reference to fig. 3.
Fig. 3 is a plan view showing the arrangement relationship of the hoist for the machine room unit, and the elevator car of the construction elevator apparatus according to the second embodiment.
The construction elevator apparatus according to the second embodiment has the same configuration as the construction elevator apparatus according to the first embodiment described above, and is different in the hoisting point position of the machine room unit 6 by the machine room unit cranes 9a, 9b, and 9 c. Therefore, the suspension point position of the machine room unit 6 of the second embodiment will be described, and the description of the configuration common to the first embodiment will be omitted.
As described above, the elevator car 17 is disposed below the machine room unit 6 (see fig. 1). As shown in fig. 3, the hoistway 100 is provided with a pair of car- side guide rails 101a and 101b that guide the elevator car 17 in the ascending/descending direction. The pair of elevator car side guide rails 101a and 101b extend along the mutually opposing wall surfaces of the hoistway 100.
On the other hand, the elevator car 17 is provided with a pair of elevator car-side guide chutes (not shown) slidably engaged with the pair of elevator car- side guide rails 101a and 101 b. The machine room unit 6 is provided with a pair of machine room side guide chutes 31a and 31b slidably engaged with the pair of elevator car side guide rails 101a and 101 b. Therefore, the pair of elevator car side guide rails 101a and 101b guide the machine room unit 6 in the ascending and descending direction.
The suspension point positions of the machine room unit 6 of the second embodiment all satisfy the conditions of the suspension point positions of the machine room unit 6 of the first embodiment. Therefore, in the construction elevator apparatus according to the second embodiment as well, the ropes (slings) of the machine room unit cranes 9a, 9b, and 9c and the hoisting points 21a, 21b, and 21c can be prevented from interfering with the work platform 5, as in the first embodiment. In addition, the inclination of the machine chamber unit 6 can be effectively prevented, and the stability of the machine chamber unit 6 can be maintained. It is possible to prevent overload to the crane for one machine room unit.
In the second embodiment, among the suspension points 21a, 21b, 21c of the machine room unit 6, the suspension points 21a, 21b are disposed on the opposite side of the center of gravity G of the machine room unit 6 with respect to the virtual elevator car-side straight line L1 connecting the pair of elevator car- side guide rails 101a, 101 b. Thus, the suspension points 21a and 21b are disposed not only outside the contour of the work platform 5 but also outside the side opposite to the center of gravity G with respect to the virtual elevator car-side straight line L1. As a result, even if an offset load occurs in the machine room unit 6, no overload can be applied to the elevator car side guide rails 101a and 101 b.
The center of gravity G of the machine room unit 6 changes depending on the hoistway size of the target elevator apparatus and the installation position of the machine (hoisting machine). The mounting positions of the pair of elevator car side guide rails 101a and 101b also vary depending on the elevator apparatus to be operated. Therefore, the suspension points 21a, 21b, and 21c of the construction elevator apparatus of the present embodiment are determined based on the center of gravity G of the machine room unit 6 and the positions of the pair of elevator car side guide rails 101a and 101 b.
3. Third embodiment
[ hanging point position of machine room unit ]
A construction elevator apparatus according to a third embodiment of the present invention will be described below with reference to fig. 4.
Fig. 4 is a plan view showing the arrangement relationship of the machine room unit crane, the machine room unit, the elevator car, and the counterweight in the construction elevator apparatus according to the third embodiment.
The construction elevator apparatus according to the third embodiment has the same configuration as the construction elevator apparatus according to the second embodiment described above, and is different in the hoisting point position of the machine room unit 6 by the machine room unit cranes 9a, 9b, and 9 c. Therefore, the suspension point position of the machine room unit 6 of the third embodiment will be described, and the description of the configuration common to the second embodiment will be omitted.
A counterweight 18 (see fig. 1) is disposed below the machine chamber unit 6. As shown in fig. 4, a pair of counterweight side guide rails 102a and 102b that guide the counterweight 18 in the lifting direction are provided in the lifting passage 100. The pair of counterweight side guide rails 102a, 102b extend along mutually opposing wall surfaces of the hoistway 100.
The virtual counterweight-side straight line L2 connecting the pair of counterweight- side guide rails 102a and 102b is substantially parallel to the virtual elevator car-side straight line L1 connecting the pair of elevator car- side guide rails 101a and 101 b. That is, a pair of counterweight side guide rails 102a and 102b and a pair of elevator car side guide rails 101a and 101b are provided on a set of wall surfaces of the hoistway 100 that face each other.
The counterweight 18 is provided with a pair of counterweight-side guide chutes (not shown) slidably engaged with the pair of counterweight- side guide rails 102a and 102 b. The machine room unit 6 is provided with a pair of machine room- side guide chutes 32a and 32b slidably engaged with the pair of counterweight- side guide rails 102a and 102 b. Therefore, the pair of counterweight- side guide rails 102a and 102b guide the machine room unit 6 in the ascending and descending direction.
The suspension point positions of the machine room unit 6 of the third embodiment all satisfy the conditions of the suspension point positions of the machine room unit 6 of the second embodiment. Therefore, in the construction elevator apparatus according to the third embodiment as well, the ropes (slings) of the machine room unit cranes 9a, 9b, and 9c and the hoisting points 21a, 21b, and 21c can be prevented from interfering with the work platform 5, as in the second embodiment.
In addition, the inclination of the machine chamber unit 6 can be effectively prevented, and the stability of the machine chamber unit 6 can be maintained. It is possible to prevent overload to the crane for one machine room unit. Even if an offset load occurs in the machine room unit 6, no overload can be applied to the elevator car side guide rails 101a and 101 b.
In the third embodiment, the hanging point 21c of the hanging points 21a, 21b, and 21c of the machine room unit 6 is arranged on the opposite side of the center of gravity G of the machine room unit 6 with the counterweight-side virtual straight line L2 therebetween. Thus, the hanging point 21c is disposed not only outside the contour of the work platform 5 but also outside the side opposite to the center of gravity G with respect to the counterweight-side virtual straight line L2. As a result, even if an offset load occurs in the machine room unit 6, the pair of counterweight side rails 102a and 102b can be prevented from being overloaded.
The center of gravity G of the machine room unit 6 changes depending on the hoistway size of the target elevator apparatus and the installation position of the machine (hoisting machine). The mounting positions of the pair of elevator car side guide rails 101a and 101b and the pair of counterweight side guide rails 102a and 102b also vary depending on the elevator apparatus to be installed. Therefore, the suspension points 21a, 21b, and 21c of the construction elevator apparatus of the present embodiment are determined according to the center of gravity G of the machine room unit 6 and the positions of the various guide rails.
4. Fourth embodiment
[ Structure of construction Elevator device ]
A construction elevator apparatus according to a fourth embodiment of the present invention will be described below with reference to fig. 5.
Fig. 5 is a schematic configuration diagram of a construction elevator apparatus according to a fourth embodiment.
The construction elevator apparatus according to the fourth embodiment has the same configuration as the construction elevator apparatus according to the first embodiment described above, and is different in the machine room unit crane and the crane attachment portion. Therefore, the crane for the machine room unit and the crane attachment unit according to the fourth embodiment will be described, and the description of the configuration common to the first embodiment will be omitted.
As shown in fig. 5, the construction elevator apparatus 41 according to the fourth embodiment includes a first support member 3, a second support member 4, a work platform 5, a machine room unit 42, a support member crane 7, a work platform crane 8, and machine room unit cranes 43a, 43b, and 43 c.
The machine room unit 42 is disposed below the work platform 5. The machine room unit 42 is suspended from the second support member 4 by the machine room unit cranes 43a, 43b, and 43c, and is configured to be movable in the up-down direction.
The machine chamber unit 42 has a movable support portion 13 movably engaged with the ascending/descending path 100. The machine room unit 42 includes a hoisting machine 15, a main rope 16 wound around a sheave of the hoisting machine 15, an elevator car 17 connected to one end of the main rope 16, and a counterweight 18 connected to the other end of the main rope 16.
A crane attachment portion 45 is connected to an upper portion of the machine room unit 42. The crane attachment portion 45 includes an attachment plate 46 facing the top surface of the machine room unit 42 at a predetermined distance, and a plurality of support columns 47 supporting the attachment plate 46. On the mounting plate 46 of the crane mounting portion 45, suspended machinery room unit cranes 43a, 43b, and 43c are mounted.
Steering pulleys 48a, 48b, 48c are rotatably supported on the top surface of the machine chamber unit 42. The ropes (slings) of the machine room unit cranes 43a, 43b, 43c are wound around the turning pulleys 48a, 48b, 48c, and the upper ends of the slings are connected to the second support member.
The hoisting points of the machine room unit cranes 43a, 43b, and 43c to the machine room unit 42 are arranged at the hoisting point positions described in the first to third embodiments. Therefore, the construction elevator apparatus 41 according to the present embodiment can also obtain the same effects as those of the first to third embodiments described above. For example, the ropes (slings) and hoisting points of the machine room unit cranes 43a, 43b, and 43c can be prevented from interfering with the work platform 5. Therefore, even when the work platform 5 is carried out of the ascending/descending path 100, the machine room unit 42 can be lifted.
Further, since the construction elevator apparatus 41 of the present embodiment includes the crane attachment portion 45, the suspended machinery room unit cranes 43a, 43b, and 43c can be applied.
5. Summary of the invention
As described above, the construction elevator apparatus according to the first to fourth embodiments includes: a support member (second support member 4) provided in the lifting path (lifting path 100); a work platform (work platform 5) and a machine room unit (machine room unit 6) which are disposed below the support member; a working platform crane (working platform crane 8) for suspending the working platform from the support member so as to be movable in the lifting direction; and a crane for machine room unit (a crane for machine room unit 9a, 9b, 9c or 43a, 43b, 43c) for suspending the machine room unit from the support member so as to be movable in the lifting direction.
The crane for the machine room unit is provided with more than three cranes, and the hoisting point of the machine room unit is more than three. When viewed from a virtual horizontal plane above the machine room unit, distances from the center of gravity (center of gravity G) of the machine room unit to the suspension points are substantially equal, and the center of gravity is located within a region surrounded by virtual straight lines connecting the suspension points. The work platform is disposed between the support member and the machine room unit. Each of the suspension points of the machine room unit is located outside the contour of the work platform as viewed from an imaginary horizontal plane above the work platform.
Thus, even if the work platform is moved up and down, the rope (sling) and the hoisting point of the crane for the machine room unit do not interfere with the work platform, and even if the work platform is carried out to the outside of the lifting passage, the machine room unit can be hoisted. In addition, since the load is uniformly applied to the three suspension points of the machine chamber unit, the inclination of the machine chamber unit can be effectively prevented, and the stability of the machine chamber unit can be maintained. In addition, the crane for one machine room unit can be prevented from being overloaded, and the machine room unit can be lifted.
In addition, a pair of elevator car side guide rails (a pair of elevator car side guide rails 101a and 101b) for guiding an elevator car (an elevator car 17) in an ascending/descending direction is provided in an ascending/descending passage in which the construction elevator apparatus according to the second and third embodiments described above is disposed. At least one of the three or more suspension points of the machine room unit ( suspension points 21a, 21b) is disposed on the opposite side of the center of gravity with respect to an elevator car-side virtual straight line (elevator car-side virtual straight line L1) connecting the pair of elevator car-side guide rails. Thus, even if an offset load occurs in the machine room unit, no overload can be applied to the elevator car side guide rail.
Further, a pair of counterweight side guide rails (a pair of counterweight side guide rails 102a and 102b) for guiding the counterweight (counterweight 18) in the ascending/descending direction are provided in the ascending/descending passage in which the construction elevator apparatus according to the third embodiment described above is disposed. A counterweight-side virtual straight line (counterweight-side virtual straight line L2) connecting the pair of counterweight-side guide rails is substantially parallel to an elevator car-side virtual straight line (elevator car-side virtual straight line L1). Among the three or more suspension points of the machine room unit, the suspension point (suspension point 21c) other than the suspension points (suspension points 21a and 21b) disposed on the opposite side of the center of gravity with respect to the virtual line on the elevator car side is disposed on the opposite side of the center of gravity with respect to the virtual line on the counterweight side. Thus, even if an offset load occurs in the machine room unit, the pair of counterweight side rails can be prevented from being overloaded.
The above description has been given of the embodiment of the construction elevator apparatus according to the present invention, including the operational effects thereof. However, the present invention is not limited to the above-described embodiments, and various modifications are possible. For example, the above-described embodiments are described in detail to facilitate understanding of the present invention, and the present invention is not necessarily limited to having all of the described configurations. Further, a part of the structure of one embodiment may be replaced with the structure of another embodiment, and the structure of another embodiment may be added to the structure of one embodiment. Further, addition, deletion, and replacement of another configuration can be performed on a part of the configurations of the embodiments.
In the first to fourth embodiments, three cranes for machine room units are used. However, the construction elevator apparatus according to the present invention may be configured to use four or more machine room unit cranes, or may be configured to have four or more hoisting points. For example, a configuration may be adopted in which three suspension points and one suspension point for assistance are provided.
In the second embodiment described above, the suspension points 21a and 21b are disposed on the opposite side of the center of gravity G of the machine room unit 6 with respect to the virtual elevator-car-side straight line L1 connecting the pair of elevator-car- side guide rails 101a and 101 b. However, as the construction elevator apparatus of the present invention, at least one suspension point arranged on the opposite side of the center of gravity G of the machine room unit 6 with the virtual elevator car-side straight line L1 interposed therebetween may be provided.
In the third embodiment described above, the suspension point 21c is disposed on the opposite side of the center of gravity G of the machine room unit 6 with the counterweight-side virtual straight line L2 connecting the pair of counterweight- side rails 102a and 102b therebetween. However, as the construction elevator apparatus of the present invention, two or more suspension points may be provided on the opposite side of the center of gravity G of the machine room unit 6 with the counterweight-side virtual straight line L2 interposed therebetween.
In the third embodiment described above, the suspension points 21a and 21b are disposed on the opposite side of the center of gravity G of the machine room unit 6 with respect to the virtual elevator car-side straight line L1, and the suspension point 21c is disposed on the opposite side of the center of gravity G of the machine room unit 6 with respect to the virtual counterweight-side straight line L2. However, as the construction elevator apparatus of the present invention, it is also possible to adopt a configuration in which at least one suspension point is disposed on the opposite side of the center of gravity G of the machine room unit 6 with the counterweight-side virtual straight line L2 interposed therebetween, and the positions of the remaining suspension points satisfy only the condition that they are disposed substantially equally outside the contour of the work platform 5 from the center of gravity G.
Description of reference numerals:
1. 41 Elevator device for construction
3 first support Member
4 second support member
5 work platform
6. 42 machine room unit
7 Crane for supporting member
8 hoist for work platform
9a, 9b, 9c, 43a, 43b, 43c hoist for machine room unit
12. 13 Movable support part
15 hoist
16 main rope
17 Elevator car
18 balance weight
21a, 21b, 21c suspension point
31a, 31b, 32a, 32b machine chamber side guide runner
45 crane mounting part
46 mounting plate
47 support
48a, 48b, 48c steering pulley
100 lifting channel
101a elevator car side guide rail
102a counterweight side guide rail
L1 imaginary straight line on elevator car side
L2 balances the weight-side imaginary straight line.
Claims (3)
1. An elevator device for construction, comprising:
a support member provided in the lift path; a work platform and a machine room unit disposed below the support member; a crane for a work platform, which suspends the work platform from the support member so as to be movable in an elevation direction; and a crane for machine room unit for suspending the machine room unit from the support member so as to be movable in an elevation direction,
the construction elevator device is characterized in that,
the crane for the mechanical chamber unit is provided with more than three cranes, the hoisting point of the mechanical chamber unit is more than three places,
distances from a center of gravity of the machine room unit to the respective suspension points are substantially equal when viewed from a virtual horizontal plane above the machine room unit, and the center of gravity is located within a region surrounded by virtual straight lines connecting the suspension points,
the work platform is disposed between the support member and the machine room unit,
each of the suspension points of the machine room unit is located outside the contour of the work platform when viewed from an imaginary horizontal plane above the work platform.
2. The construction elevator apparatus according to claim 1,
a pair of cage-side guide rails for guiding the cage and the machine room unit in the ascending/descending direction are provided in the ascending/descending passage,
at least one of the three or more suspension points of the machine room unit is disposed on the opposite side of the center of gravity with respect to an imaginary elevator-car-side straight line connecting the pair of elevator-car-side guide rails.
3. The construction elevator apparatus according to claim 2,
a pair of counterweight side guide rails for guiding the counterweight and the machine room unit in the lifting direction are provided in the lifting passage,
a virtual balance weight side straight line connecting the pair of balance weight side guide rails is substantially parallel to the virtual elevator car side straight line,
among three or more suspension points of the machine room unit, suspension points other than the suspension point disposed on the opposite side of the center of gravity with respect to the virtual line on the elevator car side are disposed on the opposite side of the center of gravity with respect to the virtual line on the counterweight side.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2018/041629 WO2020095431A1 (en) | 2018-11-09 | 2018-11-09 | Construction elevator device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113056432A true CN113056432A (en) | 2021-06-29 |
| CN113056432B CN113056432B (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880099084.5A Active CN113056432B (en) | 2018-11-09 | 2018-11-09 | Elevator device for construction |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7064620B2 (en) |
| CN (1) | CN113056432B (en) |
| WO (1) | WO2020095431A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7407981B1 (en) | 2023-01-13 | 2024-01-04 | 三菱電機ビルソリューションズ株式会社 | Elevator equipment and its installation method |
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| CN1891607A (en) * | 2005-07-08 | 2007-01-10 | 株式会社日立制作所 | Elevator |
| CN201635390U (en) * | 2009-04-10 | 2010-11-17 | 刘东轩 | Automatic formwork supporting machine for high-rise building elevator shaft construction |
| CN103879858A (en) * | 2014-03-17 | 2014-06-25 | 中联重科股份有限公司 | Construction elevator and lifting point setting and assembling method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05262475A (en) * | 1992-03-19 | 1993-10-12 | Mitsubishi Electric Corp | Installation method of elevator |
| FR2694279A1 (en) | 1992-08-03 | 1994-02-04 | Otis Elevator Co | Building construction goods lift - is used following first stage works and includes movable attachment points to permit successive upwards relocation as work progresses |
| FI118644B (en) | 2006-11-17 | 2008-01-31 | Kone Corp | Elevator installing method for use during construction of tall building, involves dismounting machine room of elevator provided with room, and converting elevator into elevator without machine room by placing hoisting machine |
| JP5262475B2 (en) | 2008-09-10 | 2013-08-14 | 株式会社ニコン | Imaging device |
| FI20100223A0 (en) | 2010-05-28 | 2010-05-28 | Kone Corp | Procedure and lift arrangement |
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2018
- 2018-11-09 CN CN201880099084.5A patent/CN113056432B/en active Active
- 2018-11-09 JP JP2020556444A patent/JP7064620B2/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1261858A (en) * | 1998-06-30 | 2000-08-02 | 三菱电机株式会社 | Elevator |
| JP2004075208A (en) * | 2002-08-09 | 2004-03-11 | Kumagai Gumi Co Ltd | Construction method for elevator tower |
| CN1891607A (en) * | 2005-07-08 | 2007-01-10 | 株式会社日立制作所 | Elevator |
| CN201635390U (en) * | 2009-04-10 | 2010-11-17 | 刘东轩 | Automatic formwork supporting machine for high-rise building elevator shaft construction |
| CN103879858A (en) * | 2014-03-17 | 2014-06-25 | 中联重科股份有限公司 | Construction elevator and lifting point setting and assembling method thereof |
Also Published As
| Publication number | Publication date |
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| JP7064620B2 (en) | 2022-05-10 |
| WO2020095431A1 (en) | 2020-05-14 |
| CN113056432B (en) | 2022-06-17 |
| JPWO2020095431A1 (en) | 2021-09-24 |
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