JP2017095246A - Car holding device for elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a car holding device for an elevator, which facilitates rope repair work, thereby improving convenience for a worker.SOLUTION: A car holding device 1 for an elevator 100 that holds in a hoist way 2 a car 3 without using a main rope 4 when a rope repair work is made for replacing the main rope 4, comprises: fixed metal fitting 11 fixed to a vertical frame 33A of the car 3 and having a through hole 11A; a rod-like body 12 arranged along a vertical direction and inserted into the through-hole 11A so as to be slidable with respect to the fixed metal fitting 11; and a fixing member 13 that fixes an upper end part of the rod-like body 12 to the support member 7. The fixing metal fitting 11 and rod-like body 12 have a holding mechanism configured such that when the rod-like body 12 is rotated by a predetermined angle around an axial line along a vertical direction from a slidable position with respect to the fixed metal fitting 11, the fixed metal fitting 11 holds the rod-like body 12 inside.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an elevator car holding device for holding a car in a hoistway during rope repair work.

  As one of the prior arts of this type of elevator car holding device, a car whose upper frame is not strong enough to withstand car suspension can be stably suspended in a hoistway. In addition, an elevator is attached to each upper end of the vertical frame of the car, and a chain block is connected to the suspension so that the lifting load of the car acts mainly as a tensile load on the vertical frame. A car suspension device and a car suspension method are known (see, for example, Patent Document 1).

JP 2000-53345 A

  In the prior art disclosed in Patent Document 1 described above, when the rope repair work for replacing the main rope of the car is performed, the car is lifted by the car suspension device provided with the above-described suspension and chain block. Held in. For this reason, it takes time and labor for the preliminary setup work to carry this car suspension device into the hoistway, and much work and time are required for connecting and removing the chain block on the car. become. Therefore, the prior art of Patent Document 1 has a problem that the number of workers corresponding to such labor and time must be secured, and the rope repair work cannot be easily performed.

  The prior art of Patent Document 1 is a structure in which a chain block is connected to a fixing bracket fixed to a guide rail, and the suspension position of the car is determined by the position of the fixing bracket on the guide rail. Then the car cannot be held at any position on the hoistway. Therefore, when changing the suspension position of the car, for example, after removing the chain block from the fixing bracket, newly installing a fixing bracket at another position on the guide rail and connecting the chain block to this fixing bracket. There is a concern that troublesome work to be performed is required and convenience for the operator is low.

  The present invention has been made based on such a situation of the prior art, and an object of the present invention is to provide an elevator car holding device that can easily perform rope repair work and improve convenience for workers. It is to provide.

  In order to achieve the above object, the elevator car holding device of the present invention includes a car that moves up and down in a hoistway, a main rope that suspends the car in the hoistway, and a hoistway in the hoistway. The main rope is replaced by being provided in an elevator that is provided along a vertical direction and that is provided with a guide rail that guides the car and a support member that is fixed to the wall surface of the hoistway and supports the guide rail. In the elevator car holding device for holding the car in the hoistway without using the main rope when the rope repair work to be performed is fixed to the vertical frame of the car and has a through hole A fixing member, a rod-like body that is disposed along the vertical direction and is slidably inserted into the through-hole, and a fixing member that fixes an upper end of the rod-like body to the support member; The fixing bracket and the rod-shaped body are arranged such that when the rod-shaped body is rotated by a predetermined angle around an axis along the vertical direction from a state in which the rod-shaped body is slidable with respect to the fixing bracket, It is characterized by having a holding mechanism for holding at.

  According to the elevator car holding device of the present invention, the rope repair work can be easily performed, and the convenience for the operator can be improved. Problems, configurations, and effects other than those described above will be clarified by the following description of embodiments.

1 is an overall view showing the configuration of an elevator to which a car holding device according to a first embodiment of the present invention is applied. It is a perspective view which shows schematic structure of the fixing metal fitting and rod-shaped body with which the car holding apparatus which concerns on 1st Embodiment of this invention is equipped. It is the figure which looked at the car holding | maintenance apparatus which concerns on 1st Embodiment of this invention from the side, and is a figure explaining the positional relationship of the vertical frame of a car, a fixing bracket, and a rod-shaped body. It is a figure which shows the specific structure of the rod-shaped body shown in FIG. It is a figure which shows the specific structure of the fixing metal fitting shown in FIG. It is a figure explaining the dimensional relationship of the through-hole of a fixing metal fitting shown in FIG. 2, and a rod-shaped body, and is a figure which shows the state which a rod-shaped body can slide with respect to a fixing metal fitting. It is a figure explaining the dimensional relationship between the through-hole of a fixing metal fitting shown in FIG. 2, and a rod-shaped body, and is a figure which shows the state which the blade part of the rod-shaped body meshed with the groove part of the fixing metal fitting. It is a figure which expands and shows the upper part of the cage | basket | car containing the fixing member shown in FIG. It is the figure which looked at the car holding apparatus which concerns on 1st Embodiment of this invention from upper direction, and is a figure which shows the state in which the car holding apparatus was accommodated. It is the figure which looked at the car holding apparatus which concerns on 1st Embodiment of this invention from upper direction, and is a figure which shows the state by which the car was hold | maintained in the hoistway at the time of rope repair work. It is a figure which shows the specific structure of the fixing metal fitting and rod-shaped body which concern on 2nd Embodiment of this invention, and is a figure which shows the state which a rod-shaped body can slide with respect to a fixing metal fitting. It is a figure which shows the specific structure of the fixing metal fitting and rod-shaped body which concern on 2nd Embodiment of this invention, and is a figure which shows the state which the blade part of the rod-shaped body meshed with the groove part of the fixing metal fitting. It is a figure which shows the other structure of the fixing metal fitting which concerns on this embodiment, and is a figure which shows the state which can slide a rod-shaped body with respect to a fixing metal fitting. It is a figure which shows the other structure of the fixing metal fitting which concerns on this embodiment, and is a figure which shows the state which the blade part of the rod-shaped body engaged with the bolt of the fixing metal fitting.

  EMBODIMENT OF THE INVENTION Hereinafter, the form for implementing the elevator car holding apparatus which concerns on this invention is demonstrated based on figures.

[First Embodiment]
FIG. 1 is an overall view showing a configuration of an elevator 100 to which a car holding device 1 according to a first embodiment of the present invention is applied.

  The car holding device 1 according to the first embodiment of the present invention is applied to, for example, the elevator 100 shown in FIG. The elevator 100 includes a hoistway 2 formed in a building, a car 3 that moves up and down in the hoistway 2, a main rope 4 having one end attached to the car 3, and the other end of the main rope 4 A counterweight (not shown) attached and suspended in the hoistway 2 is provided.

  The elevator 100 is erected along the vertical direction in the hoistway 2, and a pair of guide rails 6 that guide the car 3, and a support member that is fixed to the wall surface of the hoistway 2 and supports the guide rail 6. 7 and a hoisting machine (not shown) provided in a machine room (not shown) located above the hoistway 2 and having a sheave around which the main rope 4 is wound. As the machine rotates the sheave, the car 3 moves up and down relative to the counterweight.

  The car 3 is provided in a car room 31 where a user gets in, and can be opened and closed in the car room 31, and a door 32 that opens and closes an entrance that connects the car 3 and a landing (not shown) on each floor of the building. And a frame 33 that surrounds and reinforces the car chamber 31, and a guide that is installed on an upper frame 33 B and a lower frame 33 C (to be described later) of the frame 33 and engages and slides on the guide rail 6. And a shoe 34.

  The frame 33 is attached to each of the left and right side surfaces of the car room 31, and a plurality of vertical frames 33 </ b> A (four vertical frames in this embodiment) that respectively support the left and right side surfaces of the car room 31 The upper frame 33B is attached to the upper surface of the car room 31 and supports the upper surface of the car room 31, and the lower frame 33C is attached to the lower surface of the car room 31 and supports the lower surface of the car room 31. The vertical frames 33 </ b> A are arranged on the left and right sides of the car room 31 so as to be separated from each other in the front-rear direction (the depth direction of the car 3).

  The pair of guide rails 6 are arranged so as to sandwich the car 3 from both the left and right sides, and a plurality of support members 7 are arranged at predetermined intervals on the wall surface of the hoistway 2 in the vertical direction (the raising and lowering direction of the car 3). It is attached. Since each guide rail 6 can reduce the load in the horizontal direction received from the car 3 by these support members 7, sufficient strength is ensured as a whole.

  The car holding device 1 according to the first embodiment of the present invention holds the car 3 in the hoistway 2 without using the main rope 4 when the rope repair work for exchanging the main rope 4 is performed. belongs to.

  Hereinafter, a specific configuration of the car holding device 1 according to the first embodiment of the present invention will be described in detail. FIG. 2 is a perspective view showing a schematic configuration of the fixing bracket 11 and the rod-like body 12 provided in the car holding device 1 according to the first embodiment of the present invention, and FIG. 3 is a car holding according to the first embodiment of the present invention. It is the figure which looked at the apparatus 1 from the side, and is a figure explaining the positional relationship of the vertical frame 33A of the cage | basket | car 3, the fixing bracket 11, and the rod-shaped body 12. FIG.

  As shown in FIGS. 1 to 3, the car holding device 1 according to the first embodiment of the present invention is fixed to a vertical frame 33 </ b> A of the car 3 and has a through-hole 11 </ b> A (see FIG. 5). And a rod-like body 12 that is arranged along the vertical direction and is slidably inserted into the through-hole 11A with respect to the fixture 11, and a fixing member 13 that fixes the upper end of the rod-like body 12 to the support member 7. ing.

  In FIG. 2, two fixing brackets 11 are prepared in advance for each vertical frame 33A, and these fixing brackets 11 are fixed to the vertical frame 33A so as to be separated from each other in the vertical direction. One rod-like body 12 is prepared for each vertical frame 33 </ b> A, and two rod-like bodies 12 are attached on the left and right sides of the car 3. Therefore, the total number of the fixing brackets 11 is eight for one elevator 100, and the number of the rod-like bodies 12 is four for one elevator 100, similarly to the number of the vertical frames 33A. .

  The fixing bracket 11 and the rod-shaped body 12 are arranged such that when the rod-shaped body 12 is rotated by a predetermined angle around an axis along the vertical direction from a state in which the rod-shaped body 12 is slidable with respect to the fixing bracket 11, the fixing bracket 11 moves the rod-shaped body 12 inside. It has a holding mechanism to hold in.

  Next, a specific configuration of the holding mechanism for the fixture 11 and the rod-shaped body 12 according to the first embodiment of the present invention will be described in detail with reference to FIGS. 4 and 5.

  As shown in FIG. 4, the rod-shaped body 12 has an elliptical cross section (transverse cross section) in the horizontal direction. Further, on the surface side in the major axis direction of the rod-shaped body 12, a later-described groove portion of the fixing bracket 11 when the rod-shaped body 12 is rotated from the slidable state with respect to the fixing bracket 11 by the predetermined angle, for example, 90 degrees. The blade part 12B which meshes with 11B (refer FIG. 5) is formed.

  That is, the rod-shaped body 12 functions as an axis extending in the vertical direction, and the support bar 12A (the portion indicated by the alternate long and short dash line in FIG. 4) having an elliptical cross section in the horizontal direction and the major axis direction of the support bar 12A It is comprised from several blade part 12B provided in a row on the surface of both sides, and mutually spaced apart in the perpendicular direction. Moreover, the length of the rod-shaped body 12 is set larger than the space | interval of each support member 7, For example, it is set to about 2000 mm-3000 mm. The shape of the cross section in the horizontal direction of the support rod 12A is not limited to the above-described elliptical shape, and other shapes can be used as long as the shape of the horizontal cross section of the rod-like body 12 is an elliptical shape as a whole. There may be.

  As shown in FIG. 5, the through hole 11 </ b> A of the fixture 11 has an elliptical shape that is larger than the horizontal cross section of the rod-like body 12 so that the rod-like body 12 is inserted therethrough. The groove 11B described above is formed on the inner surface of the fixing bracket 11 on the surface side in the minor axis direction of the through hole 11A.

  The groove portions 11B are spaced apart from each other in the vertical direction in accordance with the interval between the blade portions 12B of the rod-shaped body 12. Further, the shape of the end portion 11B1 (see FIGS. 6 and 7) on the back side of the groove portion 11B is a circular shape in which the through hole 11A is inscribed in the horizontal cross section of the fixture 11 (shown in FIGS. 6 and 7). (Dashed line part).

  6 and 7 are diagrams showing a dimensional relationship between the through-hole 11A of the fixing bracket 11 and the rod-shaped body 12. FIG.

  6 and 7, the length L1 in the major axis direction of the rod-like body 12 is smaller than the length L3 in the major axis direction of the through hole 11A of the fixture 11 in the horizontal section of the fixture 11 and the rod-like body 12. It is set (L1 <L3) and is set to be larger than the length L4 in the minor axis direction of the through hole 11A of the fixture 11 (L1> L4), and the length L2 in the minor axis direction of the rod-shaped body 12 is The length L4 in the minor axis direction of the through hole 11A of the fixing bracket 11 is set to be smaller (L2 <L4).

  Further, in the horizontal cross section of the fixing metal 11 and the rod-shaped body 12, the length L3 of the through hole 11A of the fixing metal 11 in the major axis direction is from the center of the through hole 11A to the end 11B1 on the inner side of the groove 11B. The distance is set equal to L5 (hereinafter referred to as the diameter of the groove 11B for convenience) (L3 = L5).

  Here, the conditions under which the rod-like body 12 is slidable with respect to the fixture 11, that is, the conditions under which the blade portion 12B of the rod-like body 12 is engaged with the groove 11B of the fixture 11, are shown in FIG. Thus, the length L1 in the major axis direction of the rod-shaped body 12 is smaller than the length L3 in the major axis direction of the through hole 11A of the fixing bracket 11 (L1 <L3), and the length L2 in the minor axis direction of the rod-shaped body 12 Is smaller than the length L4 in the minor axis direction of the through hole 11A of the fixing bracket 11 (L2 <L4).

  Further, the condition in which the blade portion 12B of the rod-shaped body 12 is engaged with the groove portion 11B of the fixture 11 is that the length L1 of the rod-like body 12 in the major axis direction is the minor axis direction of the through hole 11A of the fixture 11 as shown in FIG. The length L1 in the major axis direction of the rod-shaped body 12 is smaller than the diameter L5 of the groove 11B (L1 <L5). As described above, the dimensional relationship between the through hole 11A of the fixing bracket 11 and the rod-shaped body 12 according to the first embodiment of the present invention satisfies these conditions.

  In the first embodiment of the present invention, a lever (not shown) for rotating the rod-like body 12 around the axis of the support rod 12 </ b> A is installed on the car room 31 of the car 3. In the fixing bracket 11 and the rod-shaped body 12 having such a configuration, the rod-shaped body 12 is rotated 90 degrees around the axis of the support rod 12A using a lever from a state in which the rod-shaped body 12 is slidable with respect to the fixing bracket 11. As a result, the blade portion 12B of the rod-shaped body 12 is engaged with the groove portion 11B of the fixing bracket 11, and therefore the movement of the rod-shaped body 12 in the vertical direction is restricted by the fixing bracket 11. That is, the groove portion 11B of the fixing bracket 11 and the blade portion 12B of the rod-shaped body 12 function as a holding mechanism.

  When the rope repair work is not performed normally, that is, when the car 3 is held in the hoistway 2 by the main rope 4, the blade portion 12B of the rod-like body 12 is engaged with the groove portion 11B of the fixing bracket 11. Thus, the rod-like body 12 can be fixed to the fixing bracket 11 and stored in the vertical frame 33A of the car 3. In this state, since the fixing bracket 11 and the rod-shaped body 12 are located away from the guide rail 6 and the support member 7, the fixing bracket 11, the rod-shaped body 12, the guide rail 6, and the support member while the car 3 is raised and lowered. 7 can be prevented.

  On the other hand, by rotating the rod-like body 12 about the axis of the support rod 12A by using a lever from the state where the blade portion 12B of the rod-like body 12 is engaged with the groove portion 11B of the fixing bracket 11, the blade portion of the rod-like body 12 is rotated. Since 12B is released from the state in which it engages with the groove 11B of the fixture 11, the rod-like body 12 can be freely slid in the vertical direction with respect to the fixture 11. In the sliding operation of the rod-shaped body 12, when the rod-shaped body 12 is inserted through the through hole 11 </ b> A of the fixture 11, about 1000 to 2000 mm is the movable range of the rod-shaped body 12.

  Next, a specific configuration of the fixing member 13 according to the first embodiment of the present invention will be described in detail with reference to FIG.

  As shown in FIG. 8, the fixing member 13 extends along the front-rear direction of the car 3 and is mounted horizontally on the support member 7 (see FIG. 9), and the arm member 13 </ b> A. It is comprised from a pair of connection member 13B which connects the both ends of this, and the upper end part of each rod-shaped body 12 of front and back. The arm member 13A and the connecting member 13B are made of, for example, a steel material such as L-shaped steel having a strength capable of holding the car 3, and are integrally attached by a fastener 13C such as a bolt. Yes.

  The connection between the upper end portion of the rod-like body 12 and the connecting member 13B is performed by using, for example, a link (not shown), thereby maintaining the posture and positional relationship between the arm member 13A and the connecting member 13B. The rod-shaped body 12 can be freely rotated around the axis of the support rod 12A by a lever on the cage chamber 31.

  Next, a procedure for rope repair work using the car holding device 1 according to the first embodiment of the present invention will be described in detail with reference to FIGS. 9 and 10.

  As shown in FIG. 9, an operator who performs the rope repair work raises and lowers the car holding device 1 to a position where the car 3 is desired to be held in order to install the car holding device 1 on the support member 7 in the hoistway 2. Stop the car 3. At this time, the operator needs to stop the car 3 at a position where his / her hand can reach the support member 7 from the car room 31 of the car 3.

  At this time, the rod-shaped body 12 is housed in the vertical frame 33 </ b> A of the car 3, and the rod-shaped body 12 is fixed inside the fixture 11. An operator on the car room 31 of the car 3 uses the lever to rotate the rod-like body 12 by 90 degrees with respect to the fixture 11, so that the blade portion 12 </ b> B of the rod-like body 12 becomes the groove 11 </ b> B of the fixture 11. Since it is released from the meshed state, the rod-shaped body 12 can slide in the vertical direction with respect to the fixture 11.

  Next, the operator grasps the rod-shaped body 12 and lifts it from the storage position of the vertical frame 33A of the car 3, and after taking out the fixing member 13 stored on the car room 31, as shown in FIG. The arm member 13 </ b> A of the fixing member 13 is carried to the back side of the guide rail 6 and placed on the support member 7.

  Then, the operator bridges the connecting member 13B of the fixing member 13 between the upper end portion of the rod-like body 12 and one end of the arm member 13A, and connects the upper end portion of the rod-like body 12 and one end of the connecting member 13B. And one end of the arm member 13A and the other end of the connecting member 13B are connected by a fastener 13C. Such an operation is performed for each rod-like body 12 stored in the vertical frame 33A of the car 3.

  Next, when the operator confirms that the upper end portion of the rod-like body 12 is fixed to the support member 7 by the fixing member 13, the car 3 is lowered at a low speed, so that the car 3 is intended by the operator. Finely adjust the position of the car 3 to stop at the position where At this time, the height adjustment of the car 3 in the hoistway 2 is performed within a range in which the rod-like body 12 is not detached from the fixed metal fitting 11, that is, within a range of about 1000 mm to 2000 mm, which is a movable range of the rod-like body 12.

  At this time, the blade portion 12B of the rod-shaped body 12 has already been released from the state in which the blade portion 12B is engaged with the groove portion 11B of the fixing bracket 11, and the rod-shaped body 12 can slide relative to the fixing bracket 11. On the other hand, the rod-like body 12 is fixed to the support member 7 via a fixing member 13.

  Here, the operator rotates the bar 12 by 90 degrees around the axis of the support bar 12A using the lever, so that the blade portion 12B of the bar 12 is engaged with the groove 11B of the fixing bracket 11, so that the bar 12 can be fixed to the fixture 11. As a result, the car 3 is supported by the support member 7 via the fixing bracket 11, the rod-like body 12, and the fixing member 13. Thus, in the rope renovation work, if the car holding device 1 according to the first embodiment of the present invention is used, the car 3 can be held at an arbitrary height of the hoistway 2.

  Next, when the operator confirms that the blade portion 12B of the rod-shaped body 12 is engaged with the groove portion 11B of the fixing bracket 11, the operator starts to replace the main rope 4. Thereafter, when the replacement work of the main rope 4 is completed, the operation of moving the car holding device 1 from the support member 7 is started.

  At this point, the rod-like body 12 is fixed to the fixture 11. Therefore, when the operator rotates the rod-like body 12 by 90 degrees around the axis of the support rod 12A using the lever, the blade portion 12B of the rod-like body 12 is released from the state where the blade portion 12B is engaged with the groove portion 11B of the fixing bracket 11. Therefore, the rod-shaped body 12 can slide in the vertical direction with respect to the fixing bracket 11.

  Next, the worker raises the car 3 at a low speed to stop the car 3 at a position where the hand reaches the support member 7 from the car room 31 of the car 3. Thereafter, the operator removes the fastener 13C from the arm member 13A on the back side of the guide rail 6 and the connecting member 13B between the rod-like body 12 and the arm member 13A, and removes the arm member 13A and the connecting member 13B. Collect on the car room 31 of the car 3. The operator stores the collected arm member 13 </ b> A and connecting member 13 </ b> B in the original location on the car room 31.

  Next, the operator lowers the rod-like body 12 from the car room 31 of the car 3 to the original storage position of the vertical frame 33A, and then uses the lever to move the rod-like body 12 around the axis of the support rod 12A by 90 degrees. By rotating, as shown in FIG. 9, the blade portion 12 </ b> B of the rod-like body 12 is engaged with the groove portion 11 </ b> B of the fixture 11, so that the rod-like body 12 can be fixed to the fixture 11 again. Thereby, the rod-shaped body 12 is accommodated in the vertical frame 33A of the car 3, and the rope repair work using the car holding device 1 is completed.

  According to the car holding device 1 according to the first embodiment of the present invention configured as described above, when the rope repair work is performed, the fixing bracket 11, the rod-like body 12, and the fixing member 13 in the car holding device 1 are Since the car 3 is already provided, it is not necessary to carry these members into the hoistway 2, and the car holding device 1 can be quickly installed on the support member 7 in the hoistway 2. Thereby, since rope repair work can be performed simply, the labor of the operator who performs rope repair work can be reduced.

  Further, in the car holding device 1 according to the first embodiment of the present invention, the rod-shaped body 12 is fixed to the fixing bracket 11 only by the operator rotating the rod-shaped body 12 around the axis of the support rod 12A using a lever. You can choose whether to fix. Therefore, even after the fixing member 13 is installed on the support member 7, the operator can adjust the position of the car 3 by making the rod-like body 12 slidable with respect to the fixing bracket 11. The car 3 can be held at an arbitrary position of the hoistway 2 by fixing the rod-like body 12 to the fixing metal 11 again. Thereby, since it becomes easy for an operator to replace the main rope 4 on the car room 31 of the car 3, convenience for the operator can be improved.

  Further, in the car holding device 1 according to the first embodiment of the present invention, the through hole 11A and the rod-shaped body 12 of the fixing bracket 11 are formed in an elliptical shape, and the through-hole 11A and the rod-shaped body of the fixing bracket 11 are formed. By setting the dimensional relationship of 12 as described above, the blade portion 12B of the rod-shaped body 12 can be easily and firmly engaged with the groove portion 11B of the fixture 11. Thereby, when the main rope 4 is removed in the rope repair work, the car 3 can be stably held in the hoistway 2.

  Further, in the car holding device 1 according to the first embodiment of the present invention, since the length of the rod-like body 12 is set to be larger than the interval between the support members 7, a plurality of support members in the hoistway 2 are provided. 7, it is possible to prevent the rod-like body 12 from being detached from the fixture 11 regardless of which support member 7 is installed with the fixing member 13. As a result, the number of fixing brackets 11 fixed to the vertical frame 33A of the car 3 can be reduced, and the cost required for manufacturing the car holding device 1 can be suppressed.

[Second Embodiment]
FIG. 11 and FIG. 12 are diagrams showing specific configurations of the fixing metal 11 and the rod-shaped body 12 according to the second embodiment of the present invention. FIG. 11 shows that the rod-shaped body 12 can slide with respect to the fixing metal 11. FIG. 12 is a view showing a state, and FIG. 12 is a view showing a state in which the blade portion 12B of the rod-like body 12 is engaged with the groove portion 11B of the fixing bracket 11.

  The second embodiment of the present invention differs from the first embodiment described above in that the rod-shaped body 12 according to the first embodiment has an elliptical cross section in the horizontal direction, and is fixed according to the first embodiment. While the through-hole 11A of the metal fitting 11 has an elliptical shape larger than the horizontal cross section of the rod-like body 12, as shown in FIGS. 11 and 12, the rod-like shape according to the second embodiment. The body 12 has a rectangular cross section in the horizontal direction, and the through-hole 11A of the fixture 11 according to the second embodiment has a rectangular shape larger than the horizontal cross section of the rod-shaped body 12. That is.

  In this case, the groove 11B of the fixture 11 according to the second embodiment is formed on the surface side in the short direction of the through hole 11A inside the fixture 11, and the rod-like body according to the second embodiment. The twelve blade portions 12B are formed on the surface side of the rod-shaped body 12 in the longitudinal direction. And in the horizontal cross section of the fixture 11 and the rod-shaped body 12 which concern on 2nd Embodiment, the length L1 of the longitudinal direction of the rod-shaped body 12 is set smaller than the length L3 of the longitudinal direction of 11 A of through-holes ( L1 <L3) and the length L4 in the short direction of the through hole 11A is set (L1> L4), and the length L2 in the short direction of the rod-like body 12 is the short length of the through hole 11A. It is set smaller than the length L4 in the direction (L2 <L4).

  Regarding the dimensional relationship between the through-hole 11A of the fixing bracket 11 and the rod-shaped body 12 according to the second embodiment of the present invention, the condition that the rod-shaped body 12 is slidable with respect to the fixing bracket 11, and the blade portion 12B of the rod-shaped body 12. Satisfies the condition of meshing with the groove 11B of the fixture 11. The other configurations of the second embodiment are the same as those of the first embodiment described above, and the same or corresponding parts as those of the first embodiment are denoted by the same reference numerals, and redundant description is omitted. Also in the car holding device 1 according to the second embodiment of the present invention configured as described above, the same operational effects as those of the first embodiment described above can be obtained.

  In addition, this embodiment mentioned above was described in detail in order to demonstrate this invention easily, and is not necessarily limited to what is provided with all the demonstrated structures. Further, a part of the configuration of an embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of an embodiment.

  The present embodiment may have a configuration other than the above as long as the holding mechanism of the fixing metal 11 and the rod-shaped body 12 is configured so that the blade portion 12B of the rod-shaped body 12 meshes with the groove 11B of the fixing metal 11. For example, although this embodiment demonstrated the case where the shape of the horizontal cross section of the rod-shaped body 12 was an ellipse or a rectangle, this invention is not limited to this case, The horizontal direction of the rod-shaped body 12 is the same. The cross-sectional shape may be other shapes.

  Moreover, although this embodiment demonstrated the case where the groove part 11B was formed in the surface side of the short diameter direction or the transversal direction of 11 A of through-holes among the inner sides of the fixed metal fitting 11, this invention is limited to this case. Instead of the groove 11 </ b> B, a protrusion or the like for holding the rod-shaped body 12 inside the fixture 11 may be used.

  FIGS. 13 and 14 are views showing an example of the configuration of the fixing bracket 11 in such a case. FIG. 13 is a diagram showing a state in which the rod-shaped body 12 can slide with respect to the fixing bracket 11. FIG. It is a figure which shows the state which the blade part 12B of the body 12 engaged with the volt | bolt 11E of the fixing bracket 11. FIG.

  As shown in FIGS. 13 and 14, the fixing bracket 11 is drilled along a through hole 11 </ b> C having a circular shape larger than the horizontal cross section of the rod-shaped body 12, and the radial direction of the through hole 11 </ b> C. A pair of insertion holes 11D in which female screws are formed on the inner side, and a pair of bolts 11E that are inserted into these insertion holes 11D from the outside and each shaft portion is screwed into the female screw of the insertion hole 11D. ing. Note that the length of the shaft portion of each bolt 11E is set to be larger than the length of the insertion hole 11D.

  With this configuration, the fixing bracket 11 can be easily manufactured, and when the bolt 11E deteriorates with age and the tip of the shaft portion is lost, it is only necessary to replace the bolt 11E. The cost required for manufacturing and maintaining the holding device 1 can be sufficiently reduced.

DESCRIPTION OF SYMBOLS 1 ... Car holding device, 2 ... Hoistway, 3 ... Car, 4 ... Main rope, 6 ... Guide rail, 7 ... Support member 11 ... Fixing bracket, 11A, 11C ... Through-hole, 11B ... Groove part, 11D ... Insertion Hole, 11E ... Bolt, 12 ... Rod-shaped body, 12A ... Support rod, 12B ... Blade part, 13 ... Fixing member, 13A ... Arm member, 13B ... Connecting member, 13C ... Fastener 31 ... Cage chamber, 32 ... Door, 33 ... Frame, 33A ... Vertical frame, 33B ... Upper frame, 33C ... Lower frame, 34 ... Guide shoe, 100 ... Elevator

Claims (4)

A car that moves up and down in the hoistway, a main rope that suspends the car in the hoistway, a guide rail that stands vertically in the hoistway and guides the car, Fixed to the wall of the hoistway, provided in an elevator with a support member that supports the guide rail,
In the elevator car holding device for holding the car in the hoistway without using the main rope when the rope repair work for exchanging the main rope is performed,
A fixing bracket fixed to the vertical frame of the car and having a through hole;
A rod-shaped body that is disposed along the vertical direction and is slidably inserted into the through-hole, with respect to the fixing bracket;
A fixing member that fixes the upper end of the rod-like body to the support member;
The fixing bracket and the rod-shaped body hold the rod-shaped body inside when the rod-shaped body is rotated by a predetermined angle around an axis along the vertical direction from a state in which the rod-shaped body is slidable with respect to the fixing bracket. An elevator car holding device characterized by having a holding mechanism. In the elevator car holding device according to claim 1,
The rod-shaped body has an elliptical cross section in the horizontal direction,
The through hole has an elliptical shape larger than the horizontal cross section of the rod-shaped body,
The holding mechanism is
A groove formed on the surface side in the minor axis direction of the through-hole among the inside of the fixing bracket;
Formed on the surface side in the major axis direction of the rod-shaped body, and configured by a blade portion that meshes with the groove when the rod-shaped body rotates the predetermined angle;
In the horizontal cross section of the fixing bracket and the rod-shaped body, the length of the major axis direction of the rod-shaped body is set to be smaller than the length of the major axis direction of the through hole, and the length of the through hole in the minor axis direction The elevator car holding device is characterized in that the length in the minor axis direction of the rod-shaped body is set smaller than the length in the minor axis direction of the through hole. In the elevator car holding device according to claim 1,
The rod-shaped body has a rectangular cross section in the horizontal direction,
The through hole has a rectangular shape larger than a horizontal cross section of the rod-shaped body,
The holding mechanism is
A groove formed on the surface side in the short direction of the through hole among the inside of the fixing bracket,
Formed on the surface side in the longitudinal direction of the rod-shaped body, and configured by a blade portion that meshes with the groove when the rod-shaped body rotates the predetermined angle;
In the horizontal cross section of the fixing bracket and the rod-shaped body, the length of the rod-shaped body in the longitudinal direction is set to be smaller than the length of the through-hole in the longitudinal direction, and the length of the through-hole in the short direction. The elevator car holding device is characterized in that the length in the short direction of the rod-like body is set smaller than the length in the short direction of the through hole. The elevator car holding device according to any one of claims 1 to 3,
The elevator is provided with a plurality of the support members at predetermined intervals in the vertical direction,
The elevator car holding device characterized in that a length of the rod-shaped body is set to be larger than the predetermined interval.