JP2021172487A - Elevator device - Google Patents

Abstract

To provide an elevator device capable of further improving the safety during maintenance and inspection of a shock absorber and the like arranged immediately below a balance weight.SOLUTION: An elevator device includes a car and a balance weight 3 that are mutually connected to each other by a main rope in a hoistway and raised and lowered mutually in the opposite direction inside the hoistway, and a shock absorber 12 that is arranged in a pit 1a formed at a bottom part of the hoistway and arranged below the balance weight 3. The elevator device further includes a screen guard 11 fixed to a screen guard fixing part (a pit base) 8 that is fixed to the pit 1a. A lower end part of the screen guard 11 is placed on the screen guard fixing part 8.SELECTED DRAWING: Figure 5

Description

The present invention relates to an elevator device having a screen guard that prevents an operator from entering the descending region of the counterweight.

As a background technique belonging to the technical field of the present invention, an elevator device described in Japanese Patent Application Laid-Open No. 2013-95571 (Patent Document 1) is known. The elevator device of Patent Document 1 is arranged in a pit at the bottom of the hoistway, and has a foldable inspection work table that is expanded during maintenance and inspection of equipment in the hoistway, and a screen that prevents an operator from entering the lowering area of the balance weight. Has a guard and (see summary).

2013-95571

In the elevator device of Patent Document 1, there is a gap between the pit at the bottom of the hoistway and the lower end of the screen guard. A shock absorber (buffer) is provided in this gap portion, and the shock absorbers are balanced to prevent the weight from lowering. In this case, when inspecting the shock absorber, etc., the operator can pass through the screen guard and inadvertently insert the tool, etc. under the balance weight, and the balance weight can come into contact with the inserted tool, etc. There was sex. Therefore, it is desired to further improve the safety during maintenance and inspection of the shock absorber and the like.

An object of the present invention is to provide an elevator device capable of further improving the safety during maintenance and inspection of a shock absorber or the like arranged directly under a balance weight.

In order to achieve the above object, the elevator device of the present invention
A car and a balance weight that are connected to each other by a main rope in the hoistway and move up and down in the hoistway in opposite directions, and a pit formed at the bottom of the hoistway are arranged below the balance weight. In an elevator device with a shock absorber,
Screen guard fixed to the pit Equipped with a screen guard fixed to the fixed part
The lower end of the screen guard is placed on the screen guard fixing portion.

According to the present invention, the gap between the pit at the bottom of the hoistway and the lower end of the balance weight can be reduced, and the safety during maintenance and inspection can be further improved.

Issues, configurations and effects other than those described above will be clarified by the following description of the embodiments.

It is a figure which shows the schematic structure of the elevator device which concerns on Example 1 of this invention, and is the sectional view which shows the vertical cross section. It is a figure which shows the schematic structure of the elevator device which concerns on Example 1 of this invention, and is the sectional view which shows the horizontal cross section. It is a front view of the screen guard which concerns on Example 1 of this invention. It is a top view of the pit base to which the screen guard of Example 1 is attached. It is a side view of FIG. 2 and is the figure which shows the fixed structure of the screen guard. It is a front view which shows the structure of the detection apparatus which detects the installation of the screen guard of Example 1, and is the figure which shows the state before the installation completion. It is a front view which shows the structure of the detection device which detects the installation of the screen guard of Example 1, and is the figure which shows the state after the installation is completed. It is a front view of the screen guard which concerns on Example 2 of this invention. FIG. 8 is a side view of FIG. 8 showing a fixed structure of the screen guard. It is a front view of the screen guard which concerns on Example 3 of this invention. FIG. 10 is a side view of FIG. 10 showing a fixed structure of the screen guard. It is a front view of the screen guard which concerns on Example 4 of this invention. FIG. 12 is a side view of FIG. 12 showing a fixed structure of the screen guard.

Hereinafter, examples of the elevator device according to the present invention will be described with reference to the drawings. In each figure, the same or similar configurations are designated by the same reference numerals, and repeated description thereof will be omitted.

[Example 1]
Hereinafter, the elevator device 100 according to an embodiment of the present invention will be described with reference to FIGS. 1 and 2. FIG. 1 is a diagram showing a schematic configuration of an elevator device 100 according to a first embodiment of the present invention, and is a cross-sectional view showing a vertical cross section. FIG. 2 is a diagram showing a schematic configuration of the elevator device 100 according to the first embodiment of the present invention, and is a cross-sectional view showing a horizontal cross section.

The elevator device 100 according to an embodiment of the present invention is configured in a hoistway 1 formed in a building, and has a car 2 that moves up and down in the hoistway 1 and a balance weight 3 that moves up and down in the direction opposite to the car 2. , The main rope 5 that suspends the basket 2 and the balance weight 3, the top pulley 6 that is placed on the upper part of the hoistway 1 and around which the main rope 5 is wound, and the main rope 5 that is placed near the bottom of the hoistway 1 and drives the main rope 5. A hoisting machine 7 and a control unit (control device) 13 for controlling the operation of the hoisting machine (driving unit) 7 are provided. Both ends of the main rope 5 are fixed to the upper part of the hoistway 1 via fasteners 4, and the basket 2 and the balance weight 3 are suspended at an intermediate position of the fasteners 4.

Further, in the elevator device 100, the pit base 8 is arranged in the pit 1a at the bottom of the hoistway 1, the hoisting machine 7 is supported by the pit base 8, and the guide rail 9 on the car 2 side and the guide on the balance weight 3 side are supported. The rail 10 is erected on the pit base 8. That is, the pit base 8 is fixed to the pit 1a and constitutes a support portion (support member) for supporting the hoisting machine 7 and the guide rails 9 and 10. The guide rails 9 and 10 are fixed to the hoistway 1 by a rail bracket (not shown).

The present invention is not limited to the configuration of the elevator device 100 shown in FIG. 1, and an elevator device having a different configuration may be used.

Further, the elevator device 100 has a screen guard 11 and a shock absorber 12. The screen guard 11 suppresses the invasion of the operator into the descending region (operating region) of the balanced weight 3. The shock absorber 12 buffers the balanced weight 3 which has abnormally lowered for some reason.

The screen guard 11 and the shock absorber 12 are supported on the pit base 8. That is, in the pit base 8, in addition to the hoisting machine 7 and the guide rails 9 and 10, the screen guard 11 and the shock absorber 12 are mounted, and the hoisting machine 7, the guide rails 9 and 10, the screen guard 11 and the shock absorber 12 are mounted. It constitutes a support part (support member, pedestal) for supporting. In particular, the pit base 8 can be called a screen guard fixing portion (screen guard fixing member) because the lower end portion of the screen guard 11 is fixed.

That is, the elevator device 100 of the embodiment is formed at the bottom of the hoistway 1 with a car 2 and a counterweight 3 which are connected to each other by a main rope 5 in the hoistway 1 and move up and down in the hoistway 1 in opposite directions. It has a shock absorber 12 arranged below the counterweight 3 arranged in the pit 1a. Further, the elevator device 100 includes a screen guard 11 fixed to a screen guard fixing portion (pit base) 8 fixed to the pit 1a. The lower end of the screen guard 11 is placed on the screen guard fixing portion 8.

Since the lower end of the clean guard 11 is placed on the screen guard fixing portion 8, a vertical (vertical) gap is not formed between the lower end of the clean guard 11 and the screen guard fixing portion 8.

In the first embodiment, the screen guard fixing portion is configured and the pit base 8 installed in the pit 1a is provided. The pit base 8 is provided with a guide rail 10 for guiding the balanced weight 3 and a shock absorber 12, and supports the guide rail 10 and the shock absorber 12.

By forming the fixed portion of the clean guard 11 with the pit base 8 which is an existing component, it is possible to suppress an increase in the number of components, reduce the manufacturing cost of the elevator device 100, and narrow the installation space of the component. ..

Hereinafter, an embodiment of the screen guard 11 according to the present invention will be described.

The screen guard 11 according to the first embodiment of the present invention will be described in detail with reference to FIGS. 3, 4 and 5. FIG. 3 is a front view of the screen guard 11 according to the first embodiment of the present invention. FIG. 4 is a top view of the pit base to which the screen guard of the first embodiment is attached. FIG. 5 is a side view of FIG. 2 and is a view showing a fixed structure of the screen guard.

As shown in FIG. 4, the pit base 8 has a wide slit 8A on the upper surface (upper portion) of which the guide rail 10 and the shock absorber 12 project upward, and an insertion portion (in which the screen guard 11 is inserted). (Narrow slit) 8B and is provided. That is, the slit width of the insertion portion 8B is narrower than the slit width of the slit 8A. The wide slit 8A is provided with a widening portion 8Aa at a portion where the shock absorber 12 projects. The insertion portion 8B is formed parallel to the slit 8A, and the widening portion 8Aa of the slit 8A is connected to the slit 8A via the widening portion 8Aa.

That is, the pit base 8 has a wide first slit 8A in which the guide rail 10 and the shock absorber 12 project upward, and a second slit that constitutes an insertion portion of the screen guard 11 and has a narrower slit width than the first slit 8A. It has 8B and. The first slit 8A has a widening portion 8Aa at a portion where the shock absorber 12 projects upward. The second slit 8B is connected to the first slit 8A via the widening portion 8Aa.

As shown in FIGS. 3 and 4, the lower end of the screen guard 11 is inserted into the pit base 8 from the insertion portion (insertion port) 8B and attached to the pit base 8. The screen guard 11 is fixed to the pit base 8 by the screen guard fixture 14, for example, as shown in FIG. In this case, the fixing portion by the screen guard fixing tool 14 is located below the inserting portion 8B.

That is, in the elevator device 100, the pit base 8 has an insertion portion 8B for inserting the screen guard 11 at the upper portion. Further, the screen guard 11 is inserted inside the pit base 8 through the insertion portion 8B, and is fixed to the pit base 8 below the insertion portion 8B.

The screen guard 11 is fixed to the side surface portion 8C on the car 2 side (the side opposite to the hoistway wall 1b side) of the pit base 8. In this case, the screen guard 11 is held by the insertion portion 8B at a position parallel to the alignment direction of the two guide rails 10 and away from the two guide rails 10.

In the first embodiment, the screen guard fixture 14 is composed of fasteners (bolts and nuts).

The detection device 15 for detecting the installation of the screen guard 11 according to the first embodiment of the present invention will be described with reference to FIGS. 6 and 7. FIG. 6 is a front view showing the configuration of the detection device 15 for detecting the installation of the screen guard 11 of the first embodiment, and is a diagram showing a state before the installation is completed. FIG. 7 is a front view showing the configuration of the detection device 15 for detecting the installation of the screen guard 11 of the first embodiment, and is a diagram showing a state after the installation is completed.

The elevator device 100 has a detection device (installation detection device) 15 that detects that the screen guard 11 is installed. The detection device 15 is fixed to the pit base 8. When the screen guard 11 is installed until it comes into contact with the pit base 8, the detection device 15 is turned on, and the detection device 15 sends an output signal to the control unit 13 that controls the drive unit (winding machine) 7 of the elevator device 100. Output. The control unit 13 that receives the output signal of the detection device 15 permits the hoisting machine 7 to move the car 2 up and down.

The detection device 15 is composed of, for example, a mechanical switch as shown in FIGS. 6 and 7. The mechanical switch (detection device) 15 has a contactor 15a that contacts the side edge of the screen guard 11. A notch 11a is formed at the corner of the lower end of the screen guard 11, and when the screen guard 11 is inserted into the pit base 8 from the insertion portion 8B, the contact 15a of the mechanical switch 15 is first cut out. Contact 11a. As the screen guard 11 is deeply inserted into the pit base 8, the contact 15a moves along the notch 11a toward the side edge of the screen guard 11. At a position where the lower end of the screen guard 11 contacts the bottom 8D of the pit base 8, the contact 15a of the mechanical switch 15 reaches the side edge of the screen guard 11 and the mechanical switch 15 is turned on.

In the first embodiment, the lower end portion of the screen guard 11 is inserted inside the pit base 8, and the detection device 15 detects the position of the lower end portion of the screen guard 11. Therefore, the detection device 15 is arranged inside the pit base 8. The detection device 15 is provided inside the pit base 8 and is protected by the pit base 8.

The detection device 15 is not limited to the mechanical switch, and may be composed of a detection device other than the mechanical switch.

In the first embodiment, during normal operation, the screen guard 11 is fixed to the pit base 8 so that the mechanical switch 15 is turned on and the car 2 is allowed to move up and down. Further, when the worker performs the work in the pit, since there is no gap at the lower end of the screen guard 11, the worker passes under the screen guard 11 or under the screen guard 11. By inadvertently inserting a tool or the like under the balance weight, it is possible to prevent an operator or a tool or the like from unintentionally contacting the balance weight 3.

When performing maintenance and inspection of the shock absorber 12, maintenance and inspection of the shock absorber 12 is performed by removing the screen guard fixture 14 and pulling out the screen guard 11 from the pit base 8. By pulling out the screen guard 11 from the pit base 8, the mechanical switch 15 is switched off, and the power supply of the elevator device 100 is cut off by the control unit 13.

That is, in the elevator device 100, the hoisting machine 7 that gives a driving force to the main rope 5, the control unit 13 that controls the operation of the hoisting machine 7, and the screen guard 11 installed on the screen guard fixing portion (pit base) 8. A detection device 15 for detecting the above is provided. The control unit 13 controls the operation of the hoisting machine 7 based on the signal from the detection device 15, and the detection device 15 is in a non-installed state (that is, a non-installed state) of the screen guard 11 with respect to the screen guard fixing unit 8. When is detected, the operation of the hoisting machine 7 is stopped.

As a result, the balance weight 3 is lowered due to an abnormal operation, so that a contact accident between the operator, a tool, or the like and the balance weight 3 can be prevented, and the safety at the time of maintenance and inspection can be further improved. In this way, at the time of maintenance and inspection, the operator performs maintenance and inspection of the shock absorber 12 with the screen guard 11 removed and the power supply of the elevator device 100 cut off.

According to this embodiment, by installing the screen guard 11 in contact with the pit base 8, it is not necessary to adjust the height of the screen guard 8, and the installation workability can be improved.

Further, since the screen guard 11 is inserted into the pit base 8 and fixed, even in the arrangement of the hoistway 1 in which the gap between the cage 2 and the balance weight 3 is narrow as shown in FIG. 2, the pit base 8 conventionally provided The structure can be used to prevent interference between the screen guard 11 and the car 2 during normal operation.

[Example 2]
Next, another embodiment (Example 2) of the screen guard 11 according to the present invention will be described with reference to FIGS. 8 and 9. FIG. 8 is a front view of the screen guard 11 according to the second embodiment of the present invention. FIG. 9 is a side view of FIG. 8 showing a fixed structure of the screen guard 11.

When the moving distance of the car 2 and the balance weight 3 in the elevating direction is long, the length from the hoisting machine 7 to the car 2 in the main rope 5 connecting the car 2 and the balance weight 3 changes depending on the position of the car 2. do. In this case, due to the weight of the main rope 5 itself, the difference between the weight of the car 2 side of the main rope 5 added to the hoisting machine 7 and the weight of the balance weight 3 side becomes large. In order to reduce this difference in weight, a compen member 16 is provided.

In the second embodiment, in order to correspond to the elevator device 100 provided with the compen member 16, the structure for avoiding the interference between the compen member 16 and the screen guard 11 is a change as compared with the first embodiment. be. As a change thereof, as shown in FIG. 8, the screen guard 11 has a hole 11b for passing a compen member 16 for connecting the car 2 and the counterweight 3 and a compen member guide bar 17 for guiding the compen member 16. Is provided.

Other configurations are basically the same as in Example 1, and the same effects as in Example 1 can be obtained in Example 2.

In the elevator device 100 according to the second embodiment, in addition to the action and effect obtained in the first embodiment, as shown in FIG. 9, interference between the compensator member 16 and the screen guard 11 can be avoided. In the second embodiment, although the hole 11b through which the compensator member 16 passes is opened, the hole 11b is small and suppresses the intrusion of the operator. Further, since the compen member 16 is present in the hole 11b, it is possible to suppress the operation of the operator who inserts a tool or the like into the hole 11b. As described above, the screen guard 11 of the second embodiment also has a structure for suppressing the intrusion of the operator, the tool, and the like into the descending region of the balance weight 3.

[Example 3]
Next, still another embodiment (Example 3) of the screen guard 11 according to the present invention will be described with reference to FIGS. 10 and 11. FIG. 10 is a front view of the screen guard according to the third embodiment of the present invention. FIG. 11 is a side view of FIG. 10 showing a fixed structure of the screen guard.

Conventionally, the minimum height from the pit 1a to the upper end of the screen guard 11 may be specified. In the third embodiment, an additional screen guard 18 is added so that the height of the screen guard 11 can be increased, which is a change as compared with the first embodiment. Other configurations are basically the same as in Example 1, and the same effects as in Example 1 can be obtained in Example 2. Note that Example 3 can also be applied to the configuration of Example 2.

The screen guard 11 is fixed to the additional screen guard 18 by, for example, the additional screen guard fixture 19, and the additional screen guard 18 is fixed by the bracket 20 and the bracket fixture 21 fixed to the balanced weight side guide rail 10. The additional screen guard fixture 19 is composed of fasteners (bolts and nuts), and the bracket fixture 21 is also composed of fasteners (bolts and nuts).

In the third embodiment, the additional screen guard 18 is added to the screen guard 11, but from a different point of view, the screen guard 11 and the screen guard 18 constitute one screen guard 11 and 18. Therefore, one screen guard 11 and 18 is equivalent to a configuration in which the first screen guard 11 and the second screen guard (additional screen guard) 18 are divided.

In the third embodiment, the screen guards 11 and 18 are fixed to the guide rail 10 via the bracket 20 fixed to the guide rail 10 above the screen guard fixing portion (pit base) 8. The fixing structure of the screen guards 11 and 18 using the bracket 20 and the bracket fixture 21 is for fixing the upper part of the screen guard 11 to the guide rail 10 in the first embodiment in which the screen guard is composed of only the screen guard 11. May be applied.

Since the first screen guard 11 is a screen guard component arranged on the lower side, it may be called a lower screen guard component. Further, since the second screen guard 18 is a screen guard component arranged on the upper side, it may be called an upper screen guard component.

In the screen guards 11 and 18 according to the third embodiment, in addition to the effect obtained in the first embodiment, as shown in FIGS. 10 and 11, the height of the screen guard 11 is increased to lower the balance weight 3. The structure is such that the height can be increased to prevent workers from entering the screen. Further, since the structure is such that the additional screen guard 18 is added to the screen guard 11, the screen guard 11 can be used as a common component among a plurality of models, and the manufacturing cost of the elevator device 100 can be reduced.

[Example 4]
Next, still another embodiment (Example 4) of the screen guard 11 according to the present invention will be described with reference to FIGS. 12 and 13. FIG. 12 is a front view of the screen guard according to the fourth embodiment of the present invention. FIG. 13 is a side view of FIG. 12 showing a fixed structure of the screen guard.

In the elevator device 100 in which the pit base 8 is not provided, for example, the concrete block 22 as shown in FIG. 12 is fixed to the pit 1a and is provided for the purpose of supporting the guide rail 10 and fixing the shock absorber 12. .. The concrete block 22 constitutes a support portion (support member) that supports the guide rail 10 and the shock absorber 12.

In the fourth embodiment, the elevator device 100 provided with the concrete block 22 instead of the pit base 8 is targeted. For this reason, the structure in which the screen guard 11 is fixed to the concrete block 22 by the bracket 23 is a change as compared with the first embodiment. In the fourth embodiment, in addition to the guide rail 10 and the shock absorber 12, the screen guard 11 is supported by the concrete block 22. That is, the concrete block 22 is provided with the guide rail 10, the shock absorber 12, and the screen guard 11 to form a support portion (support member, pedestal) for supporting the guide rail 10, the shock absorber 12, and the screen guard 11. In particular, the concrete block 22 can be called a screen guard fixing portion (screen guard fixing member) because the lower end portion of the screen guard 11 is fixed.

Other configurations are basically the same as in the first embodiment, and with respect to the same constituent parts as in the first embodiment, the same effects as in the first embodiment can be obtained in the fourth embodiment. Moreover, each change in Example 2 and Example 3 can be applied to Example 4.

As shown in FIG. 12, a bracket 23 is provided to fix the screen guard 11 to the concrete block 22. Anchor bolts 24 are fixed to the concrete block 22. The bracket 23 is fixed to the concrete block 22 by anchor bolts 24. Further, as shown in FIG. 13, the screen guard 11 is fixed to the bracket 23 by the screen guard fixture 14 described in the first embodiment.

That is, in the fourth embodiment, the concrete block 22 that constitutes the screen guard fixing portion and is fixed to the pit 1a is provided. The screen guard 11 is fixed to the anchor bolt 24 of the concrete block 22 via the bracket 23.

The detection device (mechanical switch) 15 described in the first embodiment is fixed to the bracket 23.

In the elevator device 100 according to the fourth embodiment, since the lower end of the screen guard 11 is in contact with the concrete block 22 and there is no gap at the lower end of the screen guard 11, the operator passes under the screen guard 11 to work. There is no risk of the screen guard 11 passing under the screen guard 11 and the tools or the like being inadvertently inserted under the weight, and the safety during maintenance and inspection can be further improved.

Further, the fixed position of the bracket 23 with respect to the concrete block 22 can be adjusted by using, for example, the bracket 23, and even in a hoistway arrangement where the gap between the car 2 and the balance weight 3 is narrow as shown in FIG. It is possible to prevent interference between the screen guard 11 and the car 2 during operation.

In the fourth embodiment, the concrete block 22 is not provided, and the same can be applied even if the bracket 23 is directly fixed to the pit 1a. In this case, the anchor bolt 24 is provided in the pit 1a and fixed to the pit 1a. That is, the screen guard 11 is fixed to the anchor bolt 24 fixed to the pit 1a via the bracket 23. In this configuration, it is not necessary to provide a screen guard fixing portion such as a pit base 8 or a concrete block 22, and the number of parts can be reduced.

The support portion (support member, pedestal) on which the guide rail 10, the shock absorber 12 and the screen guard 11 are placed and supports the guide rail 10, the shock absorber 12 and the screen guard 11 is composed of the pit 1a. The pit 1a constitutes a screen guard fixing portion (screen guard fixing member) to which the lower end portion of the screen guard 11 is fixed. Also in this case, the screen guard 11 is fixed to the pit 1a so that the lower end portion thereof contacts the pit 1a which is the screen guard fixing portion.

Further, the height adjustment of the screen guard 11 in this embodiment can be carried out by combining with the configuration (form) of the changes according to the third embodiment. In this case, the same effect as in Example 3 can be obtained.

The present invention is not limited to the above-described examples, and includes various modifications. For example, the above-described embodiment has been described in detail in order to explain the present invention in an easy-to-understand manner, and is not necessarily limited to the one including all the configurations. Further, it is possible to replace a part of the configuration of one embodiment with the configuration of another embodiment, and it is also possible to add the configuration of another embodiment to the configuration of one embodiment. Further, it is possible to add / delete / replace a part of the configuration of each embodiment with another configuration.

1 ... hoistway, 1a ... pit, 2 ... basket, 3 ... balanced weight, 5 ... main rope, 7 ... hoisting machine, 8 ... pit base (screen guard fixing part), 8A ... wide slit (first slit) , 8Aa ... Widening part of the first slit 8A, 8B ... Inserting part of the screen guard 11 (second slit), 10 ... Guide rail, 11 ... Screen guard, 12 ... Shock absorber, 13 ... Control unit, 15 ... Detection device, 18 ... screen guard, 22 ... concrete block (screen guard fixing part), 23 ... bracket, 24 ... anchor bolt, 100 ... elevator device.

Claims (9)

A car and a balance weight that are connected to each other by a main rope in the hoistway and move up and down in the hoistway in opposite directions, and a pit formed at the bottom of the hoistway are arranged below the balance weight. In an elevator device with a shock absorber,
Screen guard fixed to the pit Equipped with a screen guard fixed to the fixed part
The screen guard is an elevator device characterized in that a lower end portion is placed on the screen guard fixing portion. In claim 1,
A hoisting machine that applies a driving force to the main rope, a control unit that controls the operation of the hoisting machine, and a detection device that detects an installed state of the screen guard with respect to the screen guard fixing part are provided.
The control unit controls the operation of the hoisting machine based on the signal from the detection device, and when the detection device detects the non-installed state of the screen guard with respect to the screen guard fixing unit, the winding unit. An elevator device characterized by stopping the operation of the upper machine. In claim 2,
It is equipped with a pit base that constitutes a screen guard fixing part and is installed in the pit.
The pit base is an elevator device on which a guide rail for guiding the balanced weight and the shock absorber are placed, and the guide rail and the shock absorber are supported. In claim 3,
The pit base has an insertion portion at the top for inserting the screen guard.
An elevator device characterized in that the screen guard is inserted into the inside of the pit base through the insertion portion and fixed to the pit base below the insertion portion. In claim 4,
The elevator device is characterized in that the screen guard is fixed to the guide rail above the screen guard fixing portion via a bracket fixed to the guide rail. In claim 4,
The pit base includes a wide first slit in which the guide rail and the shock absorber project upward, and a second slit that constitutes an insertion portion of the screen guard and has a narrower slit width than the first slit. Have,
The first slit has a widening portion at a portion where the shock absorber protrudes upward.
The elevator device is characterized in that the second slit is connected to the first slit via the widening portion. In claim 4,
The detection device is an elevator device characterized in that it is arranged inside the pit base. In claim 2,
A concrete block that constitutes a screen guard fixing part and is fixed to the pit is provided.
The screen guard is an elevator device characterized in that it is fixed to an anchor bolt of the concrete block via a bracket. In claim 2,
The screen guard fixing part is composed of pits,
The screen guard is an elevator device characterized in that it is fixed to an anchor bolt fixed to a pit via a bracket.

Images