JPH09278325A - Construction work elevator lifting method and construction work elevator device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a construction work elevator device that can lift a moving machine room with simple work at a low cost and be operated for construction work according to the progress of construction. SOLUTION: A car 4 is disposed on one side of an elevator shaft 2 divided in the cross section by building structure bodies 3, and a counterweight 5 is disposed on the other side. A hoisting rope 18 is wound on a hoisting machine 9 in a moving machine room 6 temporarily installed above the car 4, and one end of the hoisting pope 18 is connected in a detachable state to the counterweight 5, while the other end is disposed at the car 4. A hoisting rope delivery device 19 for delivering the car 4 side end part of the hoisting rope 18 so as to fix the hoisting rope 18 into the specified length is provided at the car 4. The moving machine room 6 with the hoisting rope 18 detached from the counterweight 5 and the counterweight 5 detached from the hoisting rope 18 through a counterweight lifting rope passing above the counterweight 5 are lifted by a crane 15 placed at the upper part of a building 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for raising and lowering a construction elevator and a construction elevator device in which a hoisting stroke is extended upward as a construction work progresses from a lower floor to an upper floor.

[0002]

2. Description of the Related Art FIGS.
9 is a diagram showing a construction elevator device similar to the conventional construction elevator device disclosed in Japanese Patent No. 8283.
FIG. 10 is a vertical cross-sectional view, FIG. 10 is a view showing a rising movement state of the construction elevator device of FIG. 9, and FIG. 11 is a view showing a state of the construction elevator device of FIG. 9 after the rising movement. In the figure, 1 is a building and 2 is a hoistway provided in the building 1, which is sectioned in a horizontal section by a building structure 3 composed of beams installed vertically above and below each other.

[0004] 4 is a car that moves up and down on one side of the hoistway 2 divided by the building structure 3, 5 is a counterweight that moves up and down on the other side of the hoistway 2 divided by the building structure 3, and 6 is a hoist. A hoisting machine 9 having a suspender 7 and a drive sheave 8 is provided in a moving machine room temporarily installed above the car 4 on the road 2. 10 is a pedestal that supports the mobile machine room 6, 11 is a pedestal 1
It is a pulley which is provided at 0 and is arranged above the counterweight 5.

A hoisting rope 12 is wound around a drive sheave 8 and a pulley 11 and has one end connected to the car 4 and the other end connected to the counterweight 5. 13 is a car collision receiver provided at the bottom of the hoistway 2, 14 is a counterweight collision receiver provided at the bottom of the hoistway 2, 15 is a crane provided at the top of the building 1, and 16 is its crane. The rope, 17 is a lifting chain, one end of which is connected to the lower part of the moving machine room 6 and the other end of which is connected to the car 4.

The conventional construction elevator device is constructed as described above, and the moving machine room 6 is temporarily installed at the upper end of the hoistway 2 formed in the building 1 under construction work. Then, the hoisting rope 12 is wound around the drive sheave 8 and the pulley 11, and the car 4 and the counterweight 5 are suspended as shown in FIG. When the hoisting machine 9 is urged in this state, the hoisting rope 12
The car 4 and the counterweight 5 are driven in opposite directions via the.

As a result, the elevator construction operation is performed in the ascending / descending process by the hoistway 2 corresponding to the floor of the constructed building 1. Then, when the construction work progresses and the hoistway 2 is extended upward, the moving machine room 6 is moved to the upper end portion of the extended hoistway 2. This moving machine room 6
The following work is performed for the upward movement of the.

That is, the counterweights 5 are attached to the hoistway 2 one by one.
It is lowered to the lowermost part and is supported by the counterweight collision receiver 14. Then, the car 4 is suspended by the lifting chain 17 in the moving machine room 6, and the hoisting rope 12 is removed from the car 4 and the counterweight 5 and removed. Then, the crane rope 16 of the crane 15 is connected to the suspending tool 7 to suspend the mobile machine room 6. Next, the gantry 10 and the pulley 11 are removed, so that the state shown in FIG. 10 is obtained.

Next, the moving machine room 6 is moved to the upper end of the extended hoistway 2 by the crane 15, and the moving machine room 6 is moved.
The gantry 10 and the pulley 11 are temporarily installed again at the corresponding positions. Then, by the hoisting rope 12, the car 4 and the counterweight 5
Is hung again, and the lifting chains 17 are removed, resulting in the state shown in FIG. As a result, the elevator construction operation is performed in the up-and-down stroke by the hoistway 2 corresponding to the floor of the extended building 1. Then, the moving machine room 6 is repeatedly moved upward as the construction work progresses, and the elevator construction operation is performed by the ascending / descending stroke corresponding to the progress of the construction work.

[0009]

In the conventional construction elevator apparatus as described above, the ascending / descending path of the car 4 and the counterweight 5 is divided by the building structure 3.
For this reason, since the hoisting rope 12 is hung from the hoisting rope 3 over the building structure 3, it is necessary to remove the car 4 and the counterweight 5 from the hoisting rope 12 each time the moving machine room 6 moves upward. Become. Further, the hoisting rope 12 having a length corresponding to the position of the moving machine room 6 that has moved upward is re-hooked every time the rope is moved upward. Therefore, there is a problem that a complicated work is required to move the moving machine room 6 upward.

The present invention has been made in order to solve the above problems, and is a method for raising and lowering a construction elevator and a construction elevator device capable of moving a moving machine room upward by a simple operation and at a low cost. Aim to get.

[0011]

In the method of raising and lowering a construction elevator according to the present invention, a car and a hoistway which are installed in a building and are hoisted up and down on one side of a hoistway divided by a building structure in a cross section. The counterweight that raises and lowers the other side, the moving machine room where the hoist is installed and is temporarily installed above the car in the hoistway, and the counterweight that is wound on the drive sheave of the hoist and has one end counterbalanced. The hoisting rope is connected to the car and the other end is placed in the car, and the car-side end of the hoisting rope, which is provided in the car, is wound up and can be paid out. A hoisting rope feeding device to be fixed is provided, and a crane installed at the upper part of the building is used to move the balancing weights at least above the moving machine room and the balancing weights in a state where the counterweights are separated from the hoisting ropes. Weight Fishing case weight in a state of being disconnected from the hoisting ropes via a duty rope is lifting of.

Further, in the construction elevator apparatus according to the present invention, a car which is installed in a building and is lifted up and down on one side of a hoistway divided by a building structure in a cross section, and a lift which is lifted on the other side of the hoistway. The counterweight, the moving machine room where the hoisting machine is installed and is temporarily installed above the car in the hoistway, and the drive sheave of the hoisting machine is wound around and one end is detachably connected to the counterweight. A hoisting rope paying device that has a hoisting rope arranged at a car and a car-side end of the hoisting rope, which is provided on the car and can be paid out, to fix the hoisting rope at a predetermined length. And a moving machine room in which the counterweight is connected to a crane provided at the top of the building and the counterweight is separated from the hoisting rope, and a lifting rope for suspending the counterweight.

Further, in the construction elevator apparatus according to the present invention, a car which is installed in a building and is lifted up and down on one side of a hoistway divided by a building structure in a cross section, and a lift which is lifted on the other side of the hoistway. The counterweight, the moving machine room where the hoisting machine is installed and is temporarily installed above the car in the hoistway, and the drive sheave of the hoisting machine is wound around and one end is detachably connected to the counterweight. A hoisting rope paying device that has a hoisting rope arranged at a car and a car-side end of the hoisting rope, which is provided on the car and can be paid out, to fix the hoisting rope at a predetermined length. And the counterweight is connected to the crane installed at the top of the building through the moving machine room in a state where it is separated from the hoisting rope, and the middle part of the hoistway below the moving machine room position. Lower part pivotally attached to the fixed part An ascending moving pulley and an upper ascending moving pulley pivotally attached to the uppermost part of the hoistway are wound around the other end, and the other end is separated from the hoisting rope. To be

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiment 1. 1 to 4 are views showing an example of an embodiment of the present invention, FIG. 1 is a longitudinal sectional view, FIG. 2 is a view showing an ascending movement state of the construction elevator device of FIG. 1, and FIG.
FIG. 4 is a diagram showing a state of the construction elevator device after the upward movement, and FIG. 4 is a process diagram illustrating a procedure of the upward movement of the construction elevator device of FIG. In the figure, 1 is a building,
Reference numeral 2 denotes a hoistway provided in the building 1, which is divided in a cross section by a building structure 3 composed of beams installed vertically apart from each other.

Reference numeral 4 is a car that moves up and down on one side of the hoistway 2 divided by the building structure 3, 5 is a counterweight that moves up and down on the other side of the hoistway 2 divided by the building structure 3, and 6 is a hoist. A hoisting machine 9 having a suspender 7 and a drive sheave 8 is provided in a moving machine room temporarily installed above the car 4 on the road 2. 10 is a pedestal that supports the mobile machine room 6, 11 is a pedestal 1
It is a pulley which is provided at 0 and is arranged above the counterweight 5.

Reference numeral 13 is a car collision receiver provided at the bottom of the hoistway 2, 14 is a counterweight collision receiver provided at the bottom of the hoistway 2, and 15 is a crane provided at the top of the building 1.
16 is its crane rope. A hoisting rope 18 is wound around the drive sheave 8 and the pulley 11, and has one end connected to the car 4 and the other end connected to the counterweight 5. Reference numeral 19 denotes a hoisting rope unwinding device which is provided in the car 4 and is configured so that the end of the hoisting rope 18 on the car 4 side can be wound up and unwound to fix the hoisting rope 18 at a predetermined length.

20 is a hoisting device provided at the lower end of the crane rope 16, 21 is a moving machine room hoisting rope whose both ends are connected to the hoisting device 20 and the hoisting device 7 of the moving machine room 6, and 22 is both ends. Is a rope for lifting a counterweight connected to the lifting device 20 and the counterweight 5, respectively. 23
Is a hoisting rope holding device which is provided in the moving machine room 6 and holds the hoisting rope 18 when necessary.

In the construction elevator apparatus constructed as described above, the moving machine room 6 is temporarily installed at the upper end of the hoistway 2 constructed in the building 1 under construction. Then, the hoisting rope 18 is wound around the drive sheave 8 and the pulley 11 and is connected to the car 4 through the hoisting rope feeding device 19, and is also connected to the counterweight 5 to be in the state shown in FIG. .
When the hoisting machine 9 is energized, the car 4 and the counterweight 5 are driven in opposite directions via the hoisting rope 18.

As a result, the construction operation of the elevator is performed in the ascending / descending process by the hoistway 2 corresponding to the floor of the constructed building 1. Then, when the construction work progresses and the hoistway 2 is extended upward, the moving machine room 6 is moved to the upper end portion of the extended hoistway 2. This moving machine room 6
The procedure for the upward movement of the above will be described with reference to the process diagram shown in FIG.

That is, in step 101, the car 4 is lowered to the lowermost part of the hoistway 2 and supported by the car collision receiver 13 so as not to go up and down. Then, in step 102, the lifting machine 20 of the crane rope 16 is connected to the moving machine room 6 by the moving machine room lifting rope 21, and the counterweight is connected from the counterweight lifting rope 22. Then, the routine proceeds to step 103, where the holding of the hoisting rope 18 of the hoisting rope unwinding device 19 of the car 4 is released and the hoisting rope 18 is ready to be unwound.

Next, in step 104, the hoisting rope 18 is held by the hoisting rope holding device 23 in the moving machine room 6 to prevent the hoisting rope 18 from falling from the moving machine room 6. Then, in step 105, the hoisting rope 18 connected to the counterweight 5 is removed and drawn into the moving machine room 6, and the gantry 10 and the pulley 11 are removed, and the situation shown in FIG. 2 is obtained. Next, the process proceeds to step 106 and the crane 15
Thereby, the counterweight 5 and the moving machine room 6 are pulled up.

Then, the moving machine room 6 is moved to the floor at the upper end of the extended hoistway 2, and the gantry 10 and the pulley 11 are temporarily installed again at a position corresponding to the moving machine room 6. Next, in step 107, the hoisting rope 18 that has been drawn into the moving machine room 6 is paid out and connected to the counterweight 5.
Then, in step 108, the holding of the hoisting rope 18 by the hoisting rope holding device 23 of the moving machine room 6 is released,
Further, the hoisting rope 18 is held by the hoisting rope feeding device 19 of the car 4.

Then, the process proceeds to step 109, where the crane rope 16 hoisting tool 20 and the moving machine room hoisting rope 2 are used.
1 and the counterweight lifting rope 22 are removed to obtain the state shown in FIG. As a result, the elevator construction operation is performed in the up-and-down stroke by the hoistway 2 corresponding to the floor of the extended building 1. Then, the upward movement of the mobile machine room 6 is repeated with the progress of the construction work, and the elevator construction operation is performed by the ascending / descending stroke corresponding to the progress of the construction work.

In short, the crane 15 provided in the upper part of the building 1 moves the counterweight 5 at least above the moving machine room 6 and the counterweight 5 in a state where the counterweight 5 is separated from the hoisting rope 18. Weight lifting rope 2
The counterweight 5 in a state of being separated from the hoisting rope 18 via 2 is lifted.

According to the above-described apparatus configuration or the method of raising and lowering the construction elevator by the apparatus configuration, among the car 4 and the counterweight 5 when the mobile machine room 6 is moved upward,
Only the counterweight 5 is removed from the hoisting rope 18, and the work can be simplified. In addition, the mobile machine room 6
The hoisting rope 18 having a length corresponding to the final upward moving position of is accommodated in the hoisting rope feeding device 19. Therefore, each time the moving machine room 6 is moved upward, the required length can be dealt with by feeding it from the hoisting rope feeding device 19.

Therefore, it is possible to simplify the work and reduce the cost without preparing the useless hoisting rope 18. Further, since the counterweight 5 and the moving machine room 6 are simultaneously lifted by the crane 15, the usage time of the crane 15 on the building side can be shortened.

Also, the counterweight 5 through the lifting device 20.
And the moving machine room 6 is pulled up. Therefore, the crane 1 is provided on the counterweight 5 side where the opening of the hoistway 2 is narrower than the mobile machine room 6 side due to the building structure 3.
The crane rope 16 of 5 does not directly lift the counterweight 5, and the crane rope 1 of the crane 15
It is not necessary to suspend 6 from the upper opening into the hoistway 2. Therefore, it is possible to prevent a problem that the crane rope 16 is brought into contact with a fixed object such as the building structure 3 and damaged.

Further, since the car 4 is supported at the lowermost part of the hoistway 2 and the hoisting rope 18 is paid out from the hoisting rope paying device 19, the required length is automatically paid out by pulling up the moving machine room 6. It Further, it is not necessary to arrange a new hoisting rope 18 each time the moving machine room 6 moves upward, and the work can be facilitated and the work can be streamlined.

Embodiment 2 5 and 6 are views showing an example of another embodiment of the present invention, and FIG. 5 is a view showing a rising and moving state of the construction elevator device, which is shown in FIG.
FIG. 6 is a process diagram for explaining a procedure for ascending and moving the construction elevator device in FIG. In the figures, FIGS.
The same reference numerals as those in FIG. 4 indicate corresponding parts.

Reference numeral 24 is an upper ascending movable pulley pivotally attached to the upper side of the uppermost building structure 3 of the hoistway 2 and arranged directly above the counterweight 5, and 25 is lower than the temporary position of the moving machine room 6. In the lower ascending movement sheave pivotally attached to the lower side of the building structure 3 arranged at 1, two sheaves are arranged with their axes of rotation parallel to each other and at a distance from each other. 26
Is a rope for lifting a counterweight, which is wound around an upper ascending movable pulley 24 and a lower ascending movable pulley 25, and both ends thereof are connected to the counterweight 5 and the lower part of the moving machine room 6, respectively.

In the construction elevator device constructed as described above, similarly to the construction elevator device shown in FIGS. 1 to 4, the construction elevator device is moved to the upper end of the hoistway 2 constructed in the building 1 under construction. The machine room 6 is temporarily installed. Then, the hoisting rope 18 is wound around the drive sheave 8 and the pulley 11 and connected to the car 4 via the hoisting rope feeding device 19, and also connected to the counterweight 5 to be in the state shown in FIG. .
When the hoisting machine 9 is energized, the car 4 and the counterweight 5 are driven in opposite directions via the hoisting rope 18.

As a result, the elevator construction operation is performed in the ascending / descending process by the hoistway 2 corresponding to the floor of the constructed building 1. Then, when the construction work progresses and the hoistway 2 is extended upward, the moving machine room 6 is moved to the upper end portion of the extended hoistway 2. This moving machine room 6
The upward movement work procedure of the above will be described with reference to the process diagram shown in FIG.

That is, in step 201, the upper ascending movement pulley 24 and the lower ascending movement pulley 25 are installed.
Then, in step 202, the car 4 is lowered to the lowermost part of the hoistway 2 and supported by the car collision receiver 13 so as not to move up and down. Then, in step 203, the counterweight lifting rope 26 is wound around the upper ascending movement pulley 24 and the lower ascending movement pulley 25, and both ends thereof are connected to the counterweight 5 and the lower portion of the moving machine room 6, respectively.

Next, the routine proceeds to step 204, where the holding of the hoisting rope 18 of the hoisting rope unwinding device 19 of the car 4 is released and the hoisting rope 18 is ready to be unwound. Next, the routine proceeds to step 205, where the hoisting rope holding device 23 in the moving machine room 6 holds the hoisting rope 18 to prevent the hoisting rope 18 from falling from the moving machine room 6. And step 20
The hoisting rope 18 connected to the counterweight 5 by 6 is removed and drawn into the moving machine room 6, and the gantry 10 and the pulley 1
1 is removed and the state shown in FIG. 5 is obtained.

Then, in step 207, the crane rope 16 is connected to the hoisting tool 7 and the crane 15 pulls up the moving machine room 6. As a result, the counterweight 5 is pulled up via the counterweight lifting rope 26. Then, the moving machine room 6 is moved to the floor at the upper end of the extended hoistway 2, and the gantry 10 and the pulley 11 are temporarily installed again at the position corresponding to the moving machine room 6.

Next, in step 208, the hoisting rope 18 that has been drawn into the moving machine room 6 is paid out and connected to the counterweight 5. Then, in step 209, the holding of the hoisting rope 18 by the hoisting rope holding device 23 of the moving machine room 6 is released, and the hoisting rope feeding device 19 of the car 4 holds the hoisting rope 18.

Next, in step 210, the counterweight lifting rope 26, the upper ascending moving pulley 24 and the lower ascending moving pulley 25 are removed. As a result, the elevator construction operation is performed in the up-and-down stroke by the hoistway 2 corresponding to the floor of the extended building 1. And
The upward movement of the mobile machine room 6 is repeated with the progress of the construction work, and the elevator construction operation is performed by the ascending / descending stroke corresponding to the progress of the construction work.

In short, the crane 15 provided at the upper part of the building 1 moves the counterweight 5 at least above the moving machine room 6 and the counterweight 5 in a state where the counterweight 5 is separated from the hoisting rope 18. Weight lifting rope 2
The counterweight 5 in a state of being separated from the hoisting rope 18 via 6 is lifted.

Therefore, although detailed description is omitted, FIG.
Also, the same operation as that of the above-described embodiment of FIGS. 1 to 4 can be obtained by the device configuration in the embodiment of FIG. 6 or the method of raising and lowering the construction elevator by the device configuration.

Further, in the embodiment shown in FIGS. 5 and 6, the upper moving sheave 24 can be installed without hindrance to the operation of the construction elevator before the moving machine room 6 is moved. Further, the lower moving sheave 25 does not necessarily have to be removed each time the moving machine room 6 is moved upward.
The work of moving up and down can be done easily and the work can be streamlined.

Further, the counterweight 5 can be connected to the moving machine room 6 by the counterweight lifting rope 22 to lift the counterweight 5 together with the lifting of the moving machine room 6. Therefore, the usage time of the crane 15 on the building side can be shortened. In addition, since the car lifting rope 21 in the embodiment of FIGS. 1 to 4 is omitted, the number of steps for lifting and moving the moving machine room 6 is reduced.

The counterweight 5 is indirectly suspended by the crane rope 16 via the counterweight lifting rope 22 and lifted by the crane 15. Therefore, the crane rope 16 of the crane 15 is fixed to the building structure 3 or the like on the side of the counterweight 5 where the opening of the hoistway 2 is narrower than the moving machine room 6 side due to the building structure 3. It is possible to prevent the problem of contact and damage.

Embodiment 3 FIG. 7 is also a diagram showing a rising movement state of the construction elevator device showing an example of another embodiment of the present invention, and is a diagram corresponding to FIG. 1 described above. In the figure, the same reference numerals as those in FIG. 5 indicate the corresponding parts, and 25 is a lower ascending movement pulley installed on the bottom surface of the hoistway 2 and arranged directly below the building structure 3.

Also in the embodiment shown in FIG. 7, the counterweight is wound around the upper ascending movement pulley 24 and the lower ascending movement pulley 25, and both ends thereof are connected to the counterweight 5 and the lower portion of the moving machine room 6, respectively. A lifting rope 26 is provided.

Then, the balancing weight 5 passes through at least the moving machine room 6 and the balancing weight 5 in a state in which the balancing weight 5 is separated from the hoisting rope 18 by the crane 15 provided at the upper part of the building 1. Weight lifting rope 26
The counterweight 5 in a state of being separated from the hoisting rope 18 is lifted. Therefore, although detailed description is omitted, in the embodiment of FIG. 7, the same operation as that of the embodiments of FIGS. 5 and 6 can be obtained.

Fourth Embodiment FIG. 8 is also a diagram showing a rising movement state of the construction elevator device showing an example of another embodiment of the present invention, and is a diagram corresponding to FIG. 1 described above. In the figure, the same reference numerals as those in FIG. 5 indicate the corresponding parts, and 24 is an upper ascending moving pulley, which is constructed by arranging two pulleys in parallel with each other with their rotation axes parallel to each other and at a distance from each other. It is provided on the upper side of the structure 3 and arranged corresponding to the upper surface of the building structure 3. Reference numeral 25 is a lower ascending movement pulley installed on the bottom surface of the hoistway 2 and arranged in the section of the car 4 in the hoistway 2.

In the embodiment of FIG. 8 as well, the counterweight is wound around the upper ascending movement pulley 24 and the lower ascending movement pulley 25, and both ends thereof are connected to the counterweight 5 and the lower portion of the moving machine room 6, respectively. A lifting rope 26 is provided.

The crane 15 provided at the upper part of the building 1 moves the counterweight 5 at least above the moving machine room 6 and the counterweight 5 in a state where the counterweight 5 is separated from the hoisting rope 18. Weight lifting rope 26
The counterweight 5 in a state of being separated from the hoisting rope 18 is lifted. Therefore, although detailed description is omitted, the same operation as that of the embodiment of FIGS. 5 and 6 can be obtained in the embodiment of FIG.

[0049]

As described above, according to the present invention, a car is mounted on a building and is lifted up and down on one side of a hoistway divided by a building structure in cross section, and a counterweight is lifted on the other side of the hoistway. And a moving machine room where the hoisting machine is installed and is temporarily installed above the car in the hoistway, and one end is hung on the drive sheave of the hoisting machine and one end is detachably connected to the counterweight and the other end is A hoisting rope arranged in the car, and a hoisting rope paying device which is provided in the car and configured so that the end of the hoisting rope on the car side can be wound and unwound to fix the hoisting rope at a predetermined length. A hoisting rope is installed on the moving machine room where the counterweight is separated from the hoisting rope by a crane installed at the top of the building, and the hoisting rope for hoisting the counterweight passes at least above the counterweight. Separated from the rope Fishing if the weight of the state is to Agekasane.

This makes it possible to simplify the work by only removing the counterweight from the hoisting rope when moving up the moving machine room. Moreover, since the counterweight and the moving machine room are simultaneously lifted by the building-side crane, the usage time of the building-side crane can be shortened. Further, since the car is supported at the lowermost part of the hoistway and the hoisting rope is unwound from the hoisting rope unwinding device, the hoisting rope of the required length is automatically unwound by pulling up the moving machine room. Therefore, there is an effect that the operation of moving the moving machine room upward can be facilitated and the efficiency is improved.

Further, as described above, the present invention provides a car which is provided in a building and is lifted up and down on one side of a hoistway divided by a building structure in a cross section, and a counterweight which is lifted on the other side of the hoistway. And a moving machine room where the hoisting machine is installed and is temporarily installed above the car in the hoistway, and one end is hung on the drive sheave of the hoisting machine and one end is detachably connected to the counterweight and the other end is A hoisting rope arranged in the car, and a hoisting rope paying device which is provided in the car and is configured to be wound up by the car-side end of the hoisting rope so that the hoisting rope is fixed at a predetermined length. A moving machine room in a state where the counterweight is separated from the hoisting rope and a lifting rope that suspends the counterweight are connected to a crane provided in the upper part of the building.

As a result, it is possible to simplify the work by only removing the counterweight from the hoist rope when moving the moving machine room upward. Moreover, since the counterweight and the moving machine room are simultaneously lifted by the building-side crane, the usage time of the building-side crane can be shortened. Further, since the car is supported at the lowermost part of the hoistway and the hoisting rope is unwound from the hoisting rope unwinding device, the hoisting rope of the required length is automatically unwound by pulling up the moving machine room.

Further, it is not necessary to suspend the crane rope of the crane on the building side from the upper opening into the hoistway, and it is possible to prevent the trouble that the crane rope is brought into contact with a fixed object such as a building structure to be damaged. it can. Therefore, there is an effect that the operation of moving the moving machine room upward can be facilitated and the efficiency is improved.

Further, as described above, the present invention provides a car which is provided in a building and is lifted up and down on one side of a hoistway divided by a building structure in a cross section, and a counterweight which is lifted on the other side of the hoistway. And a moving machine room where the hoisting machine is installed and is temporarily installed above the car in the hoistway, and one end is hung on the drive sheave of the hoisting machine and one end is detachably connected to the counterweight and the other end is A hoisting rope arranged in the car, and a hoisting rope payout device which is provided in the car and is configured to be wound up by the car-side end of the hoisting rope and to be able to pay out, to fix the hoisting rope at a predetermined length, One end is connected to the crane installed at the top of the building through the moving machine room with the counterweight separated from the hoisting rope, and the middle part is the fixed part of the hoistway below the moving machine room position. A lower ascending moving pulley and an ascending Wound around the upper upward movement pulley that is pivotally attached to the top of the road and the other end is provided with a and fishing if weight lifting duty ropes connected to the hanging if weights disconnected from the hoisting ropes.

This makes it possible to simplify the work by removing only the counterweight from the hoisting rope when moving the moving machine room upward. Moreover, since the counterweight and the moving machine room are simultaneously lifted by the building-side crane, the usage time of the building-side crane can be shortened. Further, since the car is supported at the lowermost part of the hoistway and the hoisting rope is unwound from the hoisting rope unwinding device, the hoisting rope of the required length is automatically unwound by pulling up the moving machine room. In addition, since the rope for lifting the car is not required when the moving machine room is moved upward, the work can be simplified.
Therefore, there is an effect that the operation of moving the moving machine room upward can be facilitated and the efficiency is improved.

[Brief description of drawings]

FIG. 1 is a vertical sectional view showing a first embodiment of the present invention.

FIG. 2 is a diagram showing a rising movement state of the construction elevator device of FIG.

FIG. 3 is a diagram showing a state of the construction elevator device in FIG. 1 after being moved upward.

FIG. 4 is a process diagram for explaining a procedure for raising and lowering the construction elevator device in FIG.

FIG. 5 is a diagram showing a rising movement state of the construction elevator device showing the second embodiment of the present invention, which is equivalent to FIG. 1 described above.

6A and 6B are process diagrams illustrating a procedure of ascending movement of the construction elevator device in FIG.

FIG. 7 is a diagram showing a rising movement state of the construction elevator device showing the third embodiment of the present invention, which is equivalent to FIG. 1 described above.

FIG. 8 is a diagram showing a rising movement state of the construction elevator device showing the fourth embodiment of the present invention, which is equivalent to FIG. 1 described above.

FIG. 9 is a vertical cross-sectional view showing a conventional construction elevator device.

FIG. 10 is a diagram showing a rising movement state of the construction elevator device of FIG. 9.

FIG. 11 is a diagram showing a state of the construction elevator device in FIG. 9 after being moved upward.

[Explanation of symbols]

1 building, 2 hoistways, 3 building structures, 4 cages, 5
Counterweight, 6 moving machine room, 8 drive sheave, 9 hoisting machine, 15 crane, 18 hoisting rope, 19 hoisting rope feeding device, 21 car lifting rope, 22 balancing weight lifting rope, 26 hoisting Combined weight lifting rope.

Claims (3)

[Claims] 1. A hoist is provided with a car that is installed in a building and is lifted up and down on one side of a hoistway divided by a building structure in a cross section, and a counterweight that is lifted up and down on the other side of the hoistway. And a moving machine room temporarily installed above the car in the hoistway and a drive sheave of the hoist, one end of which is detachably connected to the counterweight and the other end of which is arranged in the car. A hoisting rope, and a hoisting rope feeding device which is provided in the car and is configured so that the end of the hoisting rope on the car side can be wound up and unwound to fix the hoisting rope at a predetermined length. By means of a crane provided at the upper part of the building, the counterweight is for lifting the counterweight passing at least above the moving machine room and the counterweight with the hoisting rope separated from the hoisting rope. Rope A method for ascending and moving a construction elevator for lifting the above-mentioned counterweight that is separated from the hoisting rope via the above. 2. A car, which is provided in a building and moves up and down on one side of a hoistway divided by a building structure in a cross section, and a counterweight, which moves up and down on the other side of the hoistway, and a hoist. And a moving machine room temporarily installed above the car in the hoistway and a drive sheave of the hoist, one end of which is detachably connected to the counterweight and the other end of which is arranged in the car. A hoisting rope, and a hoisting rope paying device which is provided in the car and is configured to be wound up by the car-side end of the hoisting rope and to be unwound so as to fix the hoisting rope at a predetermined length. , The moving machine room in a state in which the counterweight is connected to a crane provided in the upper part of the building and is separated from the hoisting rope, and a lifting rope suspending the counterweight respectively. Elevator for construction -Device. 3. A car installed in a building to move up and down on one side of a hoistway divided by a building structure in a cross section, and a counterweight that moves up and down on the other side of the hoistway, and a hoist. And a moving machine room temporarily installed above the car in the hoistway and a drive sheave of the hoist, one end of which is detachably connected to the counterweight and the other end of which is arranged in the car. A hoisting rope, and a hoisting rope feeding device which is provided in the car and is configured so that the end of the hoisting rope on the car side can be wound up and unwound to fix the hoisting rope at a predetermined length. , The one end is connected to the crane provided in the upper part of the building through the moving machine room in a state in which the counterweight is separated from the hoisting rope, and the middle part is below the moving machine room position. Pivotally attached to the fixed part of the above hoistway The lower lifting transfer pulley and the upper lifting transfer pulley pivotally attached to the uppermost part of the hoistway, and the other end of which is connected to the counterweight separated from the hoisting rope. Elevator device for construction with a rope for lifting weights.