Judgment device

Abstract

To provide a determination device that is easy to handle.SOLUTION: A determination device 20 includes a body 21 and a detection body 22. The body 21 is attachable to and detachable from a counterweight 2. The detection body 22 is supported on the body 21 and is held in a detection position by the body 21 while the body 21 is kept fixed to the counterweight 2. The detector 22 held in the detection position extends horizontally from the body 21. When the detection body 22 receives a force from above while kept held in the detection position, the detection body is displaced downward and, in a position after the displacement, is held by the body 21.SELECTED DRAWING: Figure 8

Description

[Technical field]

[0001] The present disclosure relates to a determination device for use in an elevator. [Background technology]

[0002] As described in Patent Document 1, in elevators, a suspension band is attached to the counterweight as a countermeasure against earthquakes. The device described in Patent Document 1 is used to determine whether or not a space is secured for attaching the suspension band. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2018-34987 A Summary of the Invention [Problem to be solved by the invention]

[0004] The device described in Patent Document 1 includes a measuring body that is coated with paint. If the paint adheres to equipment installed in the elevator, the equipment may break down, and therefore the device described in Patent Document 1 has a problem of being difficult to handle.

[0005] The present disclosure has been made to solve the above-mentioned problems. An object of the present disclosure is to provide an easy-to-use determination device that is used to determine whether or not a space for installing equipment or the like is secured in a moving body of an elevator. [Means for solving the problem]

[0006] The determination device of the present disclosure comprises a main body that is detachable from a moving body that moves in an elevator shaft, and a detection body that is supported by the main body and held at a detection position by the main body with the main body fixed to the moving body. The moving body is a counterweight that moves in the opposite direction to the direction in which the elevator car moves. The counterweight includes an adjustment weight and a frame that supports the adjustment weight. The main body is detachable from the frame.The detection body held at the detection position extends horizontally from the main body. When the detection body receives a force from above while held at the detection position, the detection body is displaced downward and is held by the main body in the position after displacement.

[0007] The determination device according to the present disclosure includes a main body that is detachable from a moving body that moves in an elevator hoistway, a detection body that is supported by the main body and held at a detection position by the main body with the main body fixed to the moving body, Equipped with. The detection object held at the detection position extends horizontally from the main body. Upward When you receive power from The detection body is displaced downward and held by the main body in the position after displacement. The detection body includes a support part supported by the main body, and a detection part provided on the support part so that the distance that the detection body protrudes horizontally from the main body is variable. Effect of the Invention

[0008] The determination device according to the present disclosure is easy to handle. By using the determination device, it is possible to easily determine whether or not a space for installing equipment, etc. is secured on the moving body of an elevator. [Brief description of the drawings]

[0009] [Figure 1] FIG. 1 illustrates an example of an elevator device. [Diagram 2] FIG. 13 is a diagram showing an example of a counterweight. [Diagram 3] FIG. 1 is a top view of the counterweight. [Figure 4] FIG. 2 is a diagram illustrating an example of a determination device in the first embodiment. [Diagram 5] FIG. 5 is a view showing a cross section CC of FIG. [Figure 6] 10 is a flowchart showing an example of a determination operation using the determination device. [Figure 7] FIG. 13 is a plan view showing an example of a judging device attached to a counterweight. [Figure 8] 8 is a view of the judgment device attached to the counterweight as viewed from the direction D shown in FIG. 7. [Figure 9] FIG. 2 is a diagram for explaining the function of the determination device. [Figure 10] FIG. 2 is a diagram for explaining the function of the determination device. [Figure 11] FIG. 13 is a diagram showing another example of a determination device. [Figure 12] FIG. 13 is a diagram showing another example of a determination device. [Figure 13] FIG. 13 is a diagram showing another example of a determination device. [Figure 14] FIG. 13 is a diagram showing another example of a determination device. [Figure 15] 15 is a view of the determination device as seen from the direction F shown in FIG. 14. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0010] Hereinafter, a detailed description will be given with reference to the drawings. Duplicate descriptions will be appropriately simplified or omitted. In each drawing, the same reference numerals indicate the same or corresponding parts.

[0011] Embodiment 1 FIG. 1 is a diagram showing an example of an elevator apparatus. First, the elevator apparatus will be described with reference to FIG. 1. The elevator apparatus includes a car 1 and a counterweight 2. The car 1 moves up and down in a hoistway 3. The counterweight 2 moves up and down in the hoistway 3. The car 1 and the counterweight 2 are suspended from the hoistway 3 by a main rope 4. The counterweight 2 moves in a direction opposite to the direction in which the car 1 moves. The car 1 and the counterweight 2 are examples of moving bodies that move in the hoistway 3.

[0012] The main rope 4 is wound around a hoisting machine 5. The car 1 is driven by the hoisting machine 5. The hoisting machine 5 is controlled by a control device 6. FIG. 1 shows an example in which the hoisting machine 5 and the control device 6 are installed in a machine room 7 above the hoistway 3. The hoisting machine 5 and the control device 6 may also be installed in the hoistway 3. When the hoisting machine 5 is installed in the hoistway 3, the hoisting machine 5 may be installed at the top of the hoistway 3 or in a pit of the hoistway 3.

[0013] FIG. 2 is a diagram showing an example of a counterweight 2. The counterweight 2 includes a counterweight frame 8 and an adjustment weight 9. The adjustment weight 9 is a weight for adjusting the overall weight of the counterweight 2. The counterweight 2 includes a number of adjustment weights 9. The adjustment weights 9 are supported by the counterweight frame 8. The counterweight frame 8 is in the shape of a square ring. The counterweight frame 8 includes an upper frame 10, a lower frame 11, a vertical frame 12, and a vertical frame 13.

[0014] In the example shown in Fig. 2, a pair of suspension frame bands 14 are provided on the counterweight 2. The suspension frame bands 14 are reinforcing members provided to prevent the adjustment weight 9 from falling off due to the counterweight frame 8 expanding when a lateral force is received during an earthquake. The suspension frame bands 14 can prevent the adjustment weight 9 from coming off the counterweight frame 8 during an earthquake. The suspension frame bands 14 are provided between the vertical frames 12 and 13. When the counterweight 2 is viewed from above, the pair of suspension frame bands 14 are arranged to surround the counterweight 2.

[0015] The suspension frame band 14 is attached to the counterweight 2 of an existing elevator system as an earthquake countermeasure for the elevator system. However, the existing elevator system is not designed with the assumption that the suspension frame band 14 will be attached to the counterweight 2. For this reason, when attaching the suspension frame band 14 to the counterweight 2, the elevator maintenance staff must determine whether or not there is sufficient space to attach the suspension frame band 14 before attaching it. The maintenance staff attaches the suspension frame band 14 to the counterweight 2 only if they can confirm that the space is secured.

[0016] Fig. 3 is a view of the counterweight 2 seen from above. Fig. 3 shows the counterweight 2 before the suspension frame bands 14 are attached. In the example shown in Fig. 3, the counterweight 2 is disposed between the car 1 and a wall 3a that forms the hoistway 3 in a plan view.

[0017] The maintenance worker confirms that there are no obstacles in area A shown in FIG. 3 over the range in which the counterweight 2 moves. For example, distance L1 = 30 mm, and distance L2 = 40 mm. If there are obstacles in area A, most of the obstacles exist between the counterweight 2 and the car 1, or between the counterweight 2 and the wall 3a. For example, equipment and members attached to the car 1 could be obstacles. Equipment and members attached to the wall 3a could be obstacles. In addition, the wall 3a itself could be an obstacle.

[0018] Fig. 4 is a diagram showing an example of the determination device 20 in the embodiment 1. Fig. 5 is a diagram showing a cross section taken along line CC in Fig. 4. A maintenance worker performs the above determination work using the determination device 20. The determination device 20 includes a main body 21 and a detection body 22.

[0019] The main body 21 is detachably attached to the counterweight 2. The adjustment weight 9 of the counterweight 2 is stacked on the lower frame 11. It is difficult to attach the judging device 20 to the stacked adjustment weights 9. For this reason, it is preferable that the main body 21 is detachably attached to the counterweight frame 8. In the example shown in FIGS. 4 and 5, the main body 21 includes an adsorption portion 23, a main body portion 24, a holding portion 25, and a holding portion 26.

[0020] As an example, the adhesion portion 23 is a magnet that can be attracted to the counterweight frame 8. The main body 21 may be detachable from the counterweight frame 8 by a means other than adhesion. The main body 24 is a rod-shaped member having a rectangular cross section. The adhesion portion 23 is provided on the surface 24a of the main body 24. The holding portion 25 and the holding portion 26 are provided on the surface 24b of the main body 24. The surface 24b faces in the opposite direction to the direction in which the surface 24a faces. A through hole 25a is formed in the holding portion 25. A through hole 26a is formed in the holding portion 26. The through hole 25a and the through hole 26a are formed so as to be parallel to the longitudinal direction of the main body 24. The through hole 25a and the through hole 26a are formed in a straight line.

[0021] The detection body 22 is supported by the main body 21 so as to be displaceable relative to the main body 21. In the example shown in Figs. 4 and 5, the detection body 22 includes a detection portion 27, a shaft 28, and a shaft 29.

[0022] The detection unit 27 is plate-shaped. The shafts 28 and 29 are provided on the detection unit 27. The shafts 28 and 29 are arranged parallel to the longitudinal direction of the detection unit 27. The shafts 28 and 29 are also arranged in a straight line. The shaft 28 passes through the through hole 25a. The shaft 29 passes through the through hole 26a. This allows the detection body 22 to be rotatably supported with respect to the main body 21.

[0023] If no external force acts on detection body 22, detection body 22 will not be displaced relative to main body 21. If an external force acts on detection body 22 from a specific direction, detection body 22 will be displaced relative to main body 21. Figures 4 and 5 show an example in which the above function is achieved by fitting shaft 28 into through hole 25a and fitting shaft 29 into through hole 26a. As another example, holding portion 25 may be provided with a mechanism for adjusting the force with which shaft 28 is held. Holding portion 26 may be provided with a mechanism for adjusting the force with which shaft 29 is held.

[0024] Next, the judgment operation using the judgment device 20 will be described in detail. FIG. 6 is a flow chart showing an example of the judgment operation using the judgment device 20. An elevator maintenance worker first attaches the judgment device 20 to the counterweight 2 (S101). In S101, the maintenance worker first holds the judgment device 20 and gets on top of the car 1. Next, the maintenance worker moves the car 1 to a specific intermediate height. The intermediate height is a height at which the maintenance worker can attach the judgment device 20 to the counterweight 2 from above the car 1. When the maintenance worker stops the car 1 at the intermediate height, he attaches the judgment device 20 to the counterweight 2.

[0025] Fig. 7 is a plan view showing an example of the judging device 20 attached to the counterweight 2. Fig. 8 is a view of the judging device 20 attached to the counterweight 2 as viewed from direction D shown in Fig. 7. Figs. 7 and 8 show an example in which the judging device 20 is attached to the surface 10a of the upper frame 10. For example, the surface 10a faces the wall 3a.

[0026] In the example shown in Figs. 7 and 8, the suction portion 23 is suctioned to the surface 10a of the upper frame 10, whereby the determination device 20 is fixed to the counterweight frame 8. In S101, the maintenance person positions the determination device 20 so that the tip of the detection portion 27 coincides with the boundary of area A. That is, the maintenance person positions the determination device 20 so that the distance by which the determination device 20 protrudes horizontally from the counterweight 2 in a plan view is distance L1. It is preferable that the width W of the detection portion 27 coincides with the width of area A. However, the width W does not have to completely coincide with the width of area A as shown in Fig. 7.

[0027] 7 and 8, in a state in which the main body 21 is fixed to the counterweight 2, the detection body 22 is held at a detection position by the main body 21. The detection position is a position for detecting an obstacle present in the area A. The detection body 22 held at the detection position extends horizontally from the main body 21. Specifically, the detection body 22 is disposed horizontally.

[0028] Next, the maintenance worker uses an operation terminal (not shown) provided on the car 1 to move the car 1 back and forth (S102). For example, the maintenance worker attaches the judgment device 20 to the counterweight 2 as shown in Figs. 7 and 8, and then moves the car 1 upward and stops the car 1 at the platform on the top floor. This causes the counterweight 2 to move downward and stop at the bottom position of its movable range. Next, the maintenance worker moves the car 1 downward and stops the car 1 at the platform on the bottom floor. This causes the counterweight 2 to move upward and stop at the top position of its movable range. Next, the maintenance worker moves the car 1 upward and stops the car 1 again at the above-mentioned intermediate height.

[0029] When the maintenance man stops the car 1 again at the intermediate height in S102, he checks whether the detection body 22 has been displaced from the detection position (S103). Figures 9 and 10 are diagrams for explaining the function of the determination device 20. Figures 9 and 10 correspond to views of the determination device 20 attached to the counterweight 2 as viewed from the direction D shown in Figure 7.

[0030] Fig. 9 shows an example in which the counterweight 2 moves upward. Fig. 9 shows an example in which a part of an obstacle 15 provided on a wall 3a is present in the area A in a plan view. In this case, the counterweight 2 moves upward, causing the detection body 22 of the assessment device 20 to collide with the obstacle 15 from below. The detection body 22 is held in the detection position by the main body 21 until just before it collides with the obstacle 15. When the detection body 22 receives a force from above while held in the detection position, it rotates around the shafts 28 and 29 and is displaced downward. The detection body 22 is held by the main body 21 in the position after the displacement, i.e., in a state in which the tip is lower than the detection position.

[0031] Fig. 10 shows an example in which the counterweight 2 has moved downward. Like Fig. 9, Fig. 10 also shows an example in which a part of the obstacle 15 is present in area A in a plan view. In this case, the counterweight 2 moves downward, causing the detection body 22 of the assessment device 20 to collide with the obstacle 15 from above. The detection body 22 is held in the detection position by the main body 21 until just before it collides with the obstacle 15. When the detection body 22 receives a force from below while held in the detection position, it rotates around the shafts 28 and 29 and is displaced upward. The detection body 22 is held by the main body 21 in the position after the displacement, i.e., with the tip portion raised above the detection position.

[0032] 9 and 10 show an example in which the determination device 20 is attached to the surface 10a of the upper frame 10, but in reality, the determination device 20 is also attached to the surface 10b of the upper frame 10. The surface 10b faces in the opposite direction to the surface 10a. That is, the surface 10b faces the direction of the car 1 in a plan view.

[0033] In this way, when the obstacle 15 comes into contact with the detection body 22 while the counterweight 2 is reciprocating in S102, the detection body 22 is displaced from the detection position. If the detection body 22 remains disposed at the detection position when the car 1 stops again at the above-mentioned intermediate height, the maintenance person judges No in S103. In such a case, the maintenance person judges that a space for attaching the suspension frame bands 14 is secured. If the maintenance person judges No in S103, he removes the judgment device 20 from the counterweight 2 and then attaches the suspension frame bands 14 to the counterweight 2 (S104).

[0034] On the other hand, if the detection body 22 is displaced from the detection position when the car 1 stops again at the intermediate height, the maintenance person judges Yes in S103. In such a case, the maintenance person judges that the space for attaching the hoisting frame band 14 is not secured.

[0035] In the example shown in this embodiment, it is possible to determine whether or not a space is secured for attaching the hanging frame band 14 to the counterweight 2 simply by checking the position of the detection body 22 after moving the counterweight 2. In other words, the above determination can be easily made by using the determination device 20. Furthermore, the determination device 20 does not use paint or the like as in conventional devices. Therefore, it is easy to handle.

[0036] 6, the car 1 is moved back and forth in S102, but this is just one example. For example, if the determination device 20 can be attached in the pit of the elevator shaft 3 and the determination device 20 can be removed at the top of the elevator shaft 3, the car 1 may be moved in one direction from the landing on the top floor to the landing on the bottom floor in S102.

[0037] The following describes other examples in which the determination device 20 can be used. If possible, the determination device 20 may be used in combination with a plurality of the following examples.

[0038] Fig. 11 is a diagram showing another example of the determination device 20. Fig. 11 is a diagram corresponding to Fig. 8. In the example shown in Fig. 11, the determination device 20 includes a main body 21 and a detection body 22. The main body 21 includes an adsorption portion 23, a main body portion 24, a positioning portion 30, a holding portion 25, and a holding portion 26. The detection body 22 includes a detection portion 27, an axis 28, and an axis 29.

[0039] In the example shown in FIG. 11, the suction portion 23 provided on the main body portion 24 is suctioned to the upper surface 10c of the upper frame 10. That is, in the example shown in FIG. 11, the main body 21 is detachable from the upper surface of the counterweight frame 8. The positioning portion 30 is provided on the main body portion 24. The positioning portion 30 extends downward from the main body portion 24 when the suction portion 23 is suctioned to the upper surface 10c. The positioning portion 30 is a member for positioning the detection body 22 by facing the surface 10a or the surface 10b of the upper frame 10. For example, when the suction portion 23 is suctioned to the upper surface 10c, the detection body 22 is placed at the detection position by contacting the positioning portion 30 with the surface 10a.

[0040] The holding portion 25 and the holding portion 26 are provided on the main body portion 24. The holding portion 25 and the holding portion 26 may be provided on the positioning portion 30. The holding portion 25, the holding portion 26, and the detection body 22 are similar to the examples shown in Figs. 4 and 5. The detection body 22 is rotatably supported on the main body 21 via shafts 28 and 29 extending horizontally with the main body 21 fixed to the upper surface 10c of the upper frame 10. Furthermore, similar to the examples shown in Figs. 9 and 10, when the detection body 22 receives a force from above or below while being held at the detection position, it is displaced according to the direction in which the force is received, and is held by the main body 21 at the position after the displacement.

[0041] Fig. 12 is a diagram showing another example of the determination device 20. Fig. 12 is a diagram corresponding to Fig. 7. In the example shown in Fig. 12, the determination device 20 includes a main body 21 and a detection body 22. The main body 21 includes an adsorption portion 23, a main body portion 24, a positioning portion 30, a holding portion 25, and a holding portion 26. The detection body 22 includes a detection portion 27, an axis 28, and an axis 29.

[0042] 12, the suction portion 23 provided on the main body 24 is suctioned to the surface 13a of the vertical frame 13. The surface 13a faces the guide rail 16 for guiding the movement of the counterweight 2. That is, in the example shown in FIG. 12, the main body 21 is detachable from the side surface of the counterweight frame 8.

[0043] The positioning portion 30 is provided on the main body portion 24. The positioning portion 30 extends laterally from the main body portion 24 when the suction portion 23 is attached to the surface 13a. The positioning portion 30 is a member for positioning the detection body 22 by facing the surface 13b of the vertical frame 13 that faces the wall 3a or the surface that faces the car 1 in a plan view. For example, when the suction portion 23 is attached to the surface 13a, the positioning portion 30 is brought into contact with the surface 13b, whereby the detection body 22 is disposed at the detection position.

[0044] The holding portion 25 and the holding portion 26 are provided on the positioning portion 30. The holding portion 25, the holding portion 26, and the detection body 22 are similar to the examples shown in Figs. 4 and 5. The detection body 22 is rotatably supported by the main body 21 via shafts 28 and 29 that extend horizontally with the main body 21 fixed to the surface 13a of the vertical frame 13. Furthermore, similar to the examples shown in Figs. 9 and 10, when the detection body 22 receives a force from above or below while being held at the detection position, it displaces according to the direction in which the force is received, and is held by the main body 21 at the position after the displacement.

[0045] Fig. 13 is a diagram showing another example of the determination device 20. Fig. 13 is a diagram corresponding to Fig. 4. In the example shown in Fig. 13, the determination device 20 includes a main body 21 and a detection body 22. The main body 21 is similar to the examples shown in Figs. 4 and 5. The main body 21 may be similar to the example shown in Fig. 11. The main body 21 may be similar to the example shown in Fig. 12.

[0046] 13 differs from the above-mentioned examples in that the detection body 22 is extendable. The detection body 22 includes a support portion 31, a detection portion 27, a shaft 28, a shaft 29, and a bolt 32.

[0047] The support portion 31 is plate-shaped. The shafts 28 and 29 are provided on the support portion 31. The shafts 28 and 29 are arranged parallel to the longitudinal direction of the support portion 31. The shafts 28 and 29 are also arranged in a straight line. The shaft 28 passes through the through hole 25a. The shaft 29 passes through the through hole 26a. This allows the support portion 31 to be rotatably supported with respect to the main body 21.

[0048] The detection unit 27 is plate-shaped. The detection unit 27 is provided on the support unit 31 so that the distance by which the detection body 22 protrudes horizontally from the main body 21 when the main body 21 is fixed to the counterweight 2 is variable. For example, the detection unit 27 is arranged so as to overlap the support unit 31. Further, the detection unit 27 is formed with an elongated hole 27a having a longitudinal direction perpendicular to the axis 28 and the axis 29. The bolt 32 passes through the elongated hole 27a and is screwed into a screw hole (not shown) formed in the support unit 31. When the bolt 32 is loosened, the detection unit 27 can be moved relative to the support unit 31 in the direction indicated by the arrow E in FIG. 13. The detection unit 27 is fixed to the support unit 31 by tightening the bolt 32.

[0049] For example, consider a case where two types of suspension frame bands 14 are prepared, and if there are no obstacles in both areas A and B shown in FIG. 3, the suspension frame bands 14 can be attached to the counterweight 2. For example, L3=40 mm. In this case, the maintenance person performs the above-mentioned determination work using the determination device 20 shown in FIG. 13. At this time, the maintenance person positions the determination device 20 so that the tip of the detection part 27 coincides with the boundary of area B (L3=40 mm). Then, if the maintenance person can determine No in S103, he attaches a high-strength suspension frame band 14 to the counterweight 2 in S104.

[0050] On the other hand, if the maintenance person judges Yes in S103, he / she repositions the judgment device 20 so that the tip of the detection part 27 coincides with the boundary of the area A (L1=30 mm) and performs the above-mentioned judgment work again. Then, if the maintenance person judges No in S103, he / she attaches the normal suspension frame band 14 to the counterweight 2 in S104.

[0051] Fig. 14 is a diagram showing another example of the determination device 20. Fig. 15 is a diagram showing the determination device 20 as viewed from the direction F shown in Fig. 14. Fig. 14 is a diagram corresponding to Fig. 4. Fig. 15 is a diagram corresponding to Fig. 5. In the examples shown in Figs. 14 and 15, the determination device 20 includes a main body 21, a detection body 22, and a connecting body 33.

[0052] The main body 21 is detachable from the counterweight 2. It is preferable that the main body 21 is detachable from the counterweight frame 8. In the example shown in Figs. 14 and 15, the main body 21 includes an adsorption portion 23, a main body portion 24, a holding portion 34, and a holding portion 35.

[0053] As an example, the adhesion portion 23 is a magnet that can be attracted to the counterweight frame 8. The main body 21 may be detachable from the counterweight frame 8 by means other than adhesion. The main body 24 is a rod-shaped member having a rectangular cross section. The adhesion portion 23 is provided on a surface 24a of the main body 24. The holding portion 34 and the holding portion 35 are provided on a surface 24b of the main body 24.

[0054] The detection body 22 is supported by the main body 21. In the example shown in Fig. 14 and Fig. 15, the detection body 22 is plate-shaped. The detection body 22 is supported by the main body 21 by one edge portion 22a being sandwiched between the holding portion 34 and the holding portion 35. The detection body 22 supported by the main body 21 extends from the edge portion 22a in the direction in which the surface 24b faces.

[0055] If no external force acts on the detection body 22, the detection body 22 maintains its state of being held by the main body 21. On the other hand, if an external force acts on the detection body 22 from a specific direction, the detection body 22 comes off the main body 21. That is, the force with which the holding parts 34 and 35 clamp the detection body 22 is set in advance so that the detection body 22 comes off the main body 21 when an external force acts on the detection body 22 from a specific direction.

[0056] The connector 33 connects the main body 21 and the detection body 22. The connector 33 prevents the detection body 22 from falling when the detection body 22 becomes detached from the main body 21.

[0057] 14 and 15, when the main body 21 is fixed to the counterweight 2, the detection body 22 is held in the detection position by the main body 21. The detection body 22 held in the detection position extends horizontally from the main body 21. Specifically, the detection body 22 is arranged horizontally. When the detection body 22 receives a force from above while held in the detection position, it comes off the main body 21 as shown in FIG. 15. Similarly, when the detection body 22 receives a force from below while held in the detection position, it comes off the main body 21 as shown in FIG. The detection body 22 that has come off the main body 21 is held in a state of being suspended by the connecting body 33.

[0058] 14 and 15, the maintenance person determines in S103 whether or not the detection object 22 has been removed from the main body 21. If the detection object 22 is still held by the main body 21, the maintenance person determines No in S103. If the detection object 22 has been removed from the main body 21, the maintenance person determines Yes in S103.

[0059] In each of the above-mentioned examples, the maintenance worker brings the determination device 20 to the site every time the above-mentioned determination work is performed. For this reason, it is desirable that the determination device 20 is easy to transport. For example, in the example shown in Fig. 4, the detection unit 27 may be a detachable, extendable, or foldable type, and the main body 24 and the suction unit 23 may be provided for each of the holding units 25 and 26.

[0060] In the present embodiment, an example has been described in which the judging device 20 is attached to the counterweight 2. This is just one example. When attaching equipment or members to the car 1, it may be possible to judge whether or not a space for attachment is secured using a device similar to the judging device 20. [Explanation of symbols]

[0061] 1 cage, 2 counterweight, 3 elevator, 3a wall, 4 main rope, 5 hoist, 6 control device, 7 machine room, 8 counterweight frame, 9 adjustment weight, 10 upper frame, 10a-10b surface, 10c upper surface, 11 lower frame, 12-13 vertical frame, 13a-13b surface, 14 suspension frame band, 15 obstacle, 16 guide rail, 20 judgment device, 21 main body, 22 detection body, 22a edge, 23 suction part, 24 main body, 24a-24b surface, 25-26 holding part, 25a-26a through hole, 27 detection part, 27a long hole, 28-29 Shaft, 30 positioning portion, 31 support portion, 32 bolt, 33 connecting body, 34-35 holding portion

Claims

1. A main body that is detachable from a moving body that moves in the elevator shaft; a detection body supported by the main body and held at a detection position by the main body in a state in which the main body is fixed to the moving body; Equipped with The moving body is a counterweight that moves in a direction opposite to the direction in which the elevator car moves, The counterweight is Adjustment weight and A frame for supporting the adjusting weight; Equipped with The main body is detachable from the frame, The detection body held at the detection position extends horizontally from the main body, The detection body is a determination device that displaces downward when a force is applied from above while held at the detection position, and is held by the main body in the position after displacement.

2. The determination device according to claim 1 , wherein the detection body is displaced upward when a force is applied from below while the detection body is held at the detection position, and is held by the main body in the position after the displacement.

3. 3. The determination device according to claim 1, wherein the detection body is rotatably supported by the main body via a shaft extending in a horizontal direction with the main body fixed to the moving body.

4. The frame has a first side facing toward the car and a second side facing in a direction opposite to the direction in which the first side faces; The body includes: An adsorption portion that is adsorbed to an upper surface of the frame; a positioning portion for positioning the detection body by facing the second side surface of the frame; The determination device according to any one of claims 1 to 3, comprising:

5. The detection body is A support part supported by the main body; a detection unit provided on the support unit so that a distance by which the detection body protrudes from the main body in a horizontal direction is variable; The determination device according to any one of claims 1 to 4, comprising:

6. A main body that is detachable from a moving body that moves in an elevator hoistway; a detection body supported by the main body and held at a detection position by the main body in a state in which the main body is fixed to the moving body; Equipped with The detection body held at the detection position extends horizontally from the main body, When the detection body receives a force from above while being held at the detection position, the detection body is displaced downward and is held by the main body at the position after the displacement. The detection body is A support part supported by the main body; a detection unit provided on the support unit so that a distance by which the detection body protrudes from the main body in a horizontal direction is variable; A judgment device comprising:

Images