JP2011051733A - Car fixing device of elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a car fixing device of an elevator capable of easily positioning and fixing a car in the best fixing position, when a worker performs work such as a maintenance-inspection by getting on the car. <P>SOLUTION: This car fixing device of the elevator has an engaging body 9 installed on a guide rail 2 arranged in an elevator hoistway 1 and having an engaging hole 10, and a fixing device 15 installed in the car 3 liftably arranged in the elevator hoistway 1 and having a sliding body 16 slidable to a position for engaging with the engaging hole 10 and a position for releasing this engagement. The engaging body 9 is connected to a support 7 fixed to the guide rail 2 so that a vertical directional position can be adjusted. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an elevator car fixing device that fixes a position of a car so that the car does not move up and down when an operator works on the car.

  During work such as elevator maintenance and inspection, an operator may get on the car and perform work. In this work, it is necessary to fix the position so that the car does not move up and down.

  As a car fixing device that fixes the position of the car so that it does not move up and down during work, for example, the one described in Patent Document 1 below is known.

  In the car fixing device described in Patent Document 1, a stopper is detachably attached to a pair of guide rails provided in an elevator hoistway and serving as a guide when the car is raised and lowered, and engaged with the guide rails. By raising the guide shoe of the car in contact with the stopper, the car is prevented from rising.

  In addition, as shown in FIG. 17, a fixing device 104 having a slidable fixing shaft 103 that fixes a fixing plate 102 having a plurality of fixing holes 101 to a guide rail 100 provided in the elevator hoistway. A car fixing device is also known which is mounted on the top of the car.

  The car fixing device shown in FIG. 17 fixes the position of the car by sliding the fixing shaft 103 to engage with any one of the fixing holes 101.

JP 2004-115244 A

  However, in the car fixing device described in Patent Document 1, it is necessary to attach the stoppers to be attached to the pair of guide rails at the same height position, and it takes time and labor for the installation work, and the time for maintenance and inspection is prolonged. There's a problem.

  Further, in this car fixing device, when the car is lowered for some reason, the car cannot be prevented from being lowered.

  In the car fixing device shown in FIG. 17, the position of the car can be fixed in a short time, and both the raising and lowering of the car can be prevented.

  However, various devices and members are attached to the guide rail 100, and a seam plate is attached to the guide rail at regular intervals. For this reason, the fixing plate 102 cannot be fixed to a place where such devices, members, and seam plates are attached.

  For this reason, the car cannot be fixed at the best fixing position when performing maintenance and inspection work, etc., and the work will be performed with the car fixed at the next best fixing position. May have to work in a posture that is difficult to work with.

  The present invention has been made to solve such a problem, and the purpose of the present invention is to easily carry out the car at the best fixing position when an operator gets on the car and performs maintenance and inspection work. The present invention provides an elevator car fixing device that can be fixed in position.

  A first feature according to an embodiment of the present invention is that, in an elevator car fixing device, an engagement body attached to a guide rail provided in an elevator hoistway and having an engagement hole, and the elevator hoistway And a fixing device having a sliding body that is slidable at a position that engages with the engagement hole and a position that releases the engagement. The support is fixed to the guide rail so as to be vertically adjustable.

  A second feature according to an embodiment of the present invention is that, in an elevator car fixing device, an engagement body attached to a guide rail provided in an elevator hoistway and having an engagement hole, and the elevator hoistway And a fixing device having a sliding body that is slidable at a position that engages with the engagement hole and a position that releases the engagement. It is provided so that it can be expanded and contracted in the vertical direction and fixed at an arbitrary position expanded and contracted.

  According to a third aspect of the present invention, there is provided an elevator car fixing device, comprising: an engagement body attached to a guide rail provided in an elevator hoistway and having an engagement hole; and the elevator hoistway And a fixing device having a sliding body that is slidable at a position that engages with the engagement hole and a position that releases the engagement. The sliding body is connected to a support body fixed to the guide rail so as to be adjustable in the vertical direction, and the sliding body is provided so that it can be expanded and contracted in the vertical direction and fixed at an arbitrary position.

  According to a fourth aspect of the present invention, there is provided an elevator car fixing device, wherein the guide rail is attached to a elevator car that can be raised and lowered in the elevator hoistway, and the guide rail is provided in the elevator hoistway. A container that can move between a position close to the guide rail and a position separated from the guide rail, and the container is provided with the guide rail when the container is moved to a position close to the guide rail. An inclined surface portion that is opposed and is inclined so as to approach the guide rail from the upper side to the lower side is formed, and the guide body has the guide rail when the storage body is moved to a position close to the guide rail. And the wedge body which bites in between the inclined surface part of the said accommodating body is accommodated.

  According to the present invention, when a worker rides on a car and performs work such as maintenance and inspection, the car can be easily fixed at the best fixing position.

1 is a perspective view showing an elevator according to a first embodiment of the present invention. It is a perspective view which shows a cage fixing device. It is a side view which shows a cage fixing device. It is a front view which shows the connection state of an engaging body and a support body. It is a perspective view which shows the elevator of the 2nd Embodiment of this invention. It is a side view which shows a cage fixing device. It is a side view which shows the cage fixing device of the state which extended the sliding body. It is a perspective view which shows the elevator of the 3rd Embodiment of this invention. It is a side view which shows a cage fixing device. It is a horizontal sectional view which shows the engaging body which the 4th Embodiment of this invention accommodated. It is a horizontal sectional view showing the engaging body moved to the engaging position with the sliding body. It is a perspective view which shows the elevator of the 5th Embodiment of this invention. It is a front view which shows a cage fixing device. It is a front view which shows the state which rotated the container to the position which pinches | interposes a guide rail. It is a side view which shows the positional relationship of the wedge body in the accommodating body rotated to the position which pinches | interposes a guide rail. It is a side view which shows the state which made the wedge body bite into the side surface of a guide rail. It is a perspective view which shows the cage fixing device of a prior art example.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(First embodiment)
A first embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, an elevator hoistway 1 is formed in a building, and a pair of guide rails 2 extending in the vertical direction in the elevator hoistway 1 and a car that can be raised and lowered along the guide rails 2. 3 are installed. A car frame 4 is provided on the car 3, and guide shoes 5 are attached to four corners of the car frame 4, and these guide shoes 5 are slidably engaged with the guide rail 2. Further, one end of an elevator rope 6 wound around a hoisting machine (not shown) is connected to the car frame 4.

  On one guide rail 2, a support plate 7, which is a support body, is fixed by bolts 8 and nuts on the back side of the guide rail 2 on the side where the guide shoe 5 engages. Although only one support plate 7 is shown in FIG. 1, a plurality of support plates 7 are fixed at predetermined intervals along the longitudinal direction of the guide rail 2.

  An engagement plate 9 as an engagement body is connected to the support plate 7 so that the vertical position can be adjusted. A plurality of engagement holes 10 are formed in the engagement plate 9 along the vertical direction.

  As shown in FIG. 4, the connection between the support plate 7 and the engagement plate 9 that can be adjusted in the vertical direction is vertically connected to the plurality of connection holes 11 formed in the support plate 7 along the vertical direction. A plurality of connecting holes 12 formed along the direction are selectively opposed to each other, a bolt 13 is inserted into the opposing connecting holes 11, 12, and a nut 14 is screwed into a tip portion of the inserted bolt 13. It is done by. Note that the engagement plate 9 shown in FIG. 4A is connected to the support plate 7 at the lowest position, and the engagement plate 9 shown in FIG. 4B is connected to the support plate 7 at the highest position. It is in a connected state.

  A fixing device 15 is attached to the upper part of the car frame 4. The fixing device 15 includes an outer case 18 and an engagement shaft 16 that is a sliding body. The engagement shaft 16 is formed by a linear round bar member, and is arranged horizontally with the axial direction toward the engagement plate 9, is slidable along the axial direction, and rotates about the axial center. The outer case 18 is held as possible. The engaging shaft 16 is provided with an operation projection 17 that is gripped when the engaging shaft 16 is rotated around the axis and is slid in the axial direction. In addition, the outer case 18 is formed with a pair of engagement grooves 19 a and 19 b that engage with the operation protrusions 17 and restrict the sliding movement of the engagement shaft 16. The engaging shaft 16 is slid in the axial direction, and the engaging shaft 16 is rotated around the axial center at the slid position to engage the operating protrusion 17 with one of the engaging grooves 19a and 19b. Thus, the position of the engagement shaft 16 can be fixed at the position where the sliding operation is performed.

  Note that the engagement hole 10 formed in the engagement plate 9 is formed to have a dimension that allows the tip end of the engagement shaft 16 to be engaged. Therefore, as shown by the solid line in FIG. 3, the engagement shaft 16 and the engagement hole 10 are aligned so as to face each other in the horizontal direction, and the engagement shaft 16 is slid in the direction of the engagement plate 9. As shown by a broken line in FIG. 3, the tip end portion of the engagement shaft 16 engages with the engagement hole 10.

  In such a configuration, when the position of the car 3 is fixed in order to perform work such as maintenance and inspection, the car 3 is placed at a position where the engagement shaft 16 faces one of the engagement holes 10 in the horizontal direction. The worker who stops and rides on the car 3 rotates and slides the engagement shaft 16. In this turning operation and sliding operation, first, as shown by the solid lines in FIGS. 2 and 3, the engaging shaft 16 in which the operating protrusion 17 is engaged with the engaging groove 19a is rotated about the axis. Then, the engagement between the operation protrusion 17 and the engagement groove 19a is released. Next, the engagement shaft 16 is slid in the direction of the engagement plate 9, and the distal end portion of the engagement shaft 16 is engaged with the engagement hole 10 as indicated by a broken line in FIG. 3. Next, the engagement shaft 16 is rotated around the axis, and the operation protrusion 17 is engaged with the engagement groove 19b.

  Thus, the sliding operation of the engaging shaft 16 is regulated with the tip end engaged with the engaging hole 10, the position of the car 3 can be fixed, and the car 3 is raised and lowered during the operation. Accidents can be prevented.

  When changing the fixed position of the car 3 according to the work position, the engagement shaft 16 is temporarily disengaged from the engagement hole 10 and the car 3 is moved up and down to move the engagement shaft 16 to another position. The engagement shaft 10 is opposed to the engagement hole 10, and the engagement shaft 16 is slid to be engaged with another engagement hole 10 positioned opposite to the engagement shaft 16.

  Further, when the fixed position of the car 3 is changed according to the work position, it can also be done by changing the connecting position of the engagement plate 9 to the support plate 7 in the vertical direction. For example, the connection position of the engagement plate 9 to the support plate 7 is changed from the position shown in FIG. 4A to the position shown in FIG. To change the connection position from the position shown in FIG. 4A to the position shown in FIG. 4B, the bolt 13 connecting the engagement plate 9 and the support plate 7 is once removed, and the engagement plate 9 is moved upward. The engagement plate 9 and the support plate 7 that have been moved and moved upward can be connected by bolts 13 and nuts 14 again.

  Since the position of the engagement hole 10 formed in the engagement plate 9 moves in the vertical direction by changing the connection position of the engagement plate 9 to the support plate 7 in this way, the engagement hole 10 The fixed position of the car 3, which is performed by engaging the engaging shaft 16 with the engaging shaft 16, can be changed in the vertical direction. It should be noted that the position of the car 3 is fixed using the lowermost engagement hole 10 of the engagement plate 9 shown in FIG. 4A and the engagement plate 9 shown in FIG. 4B. In the case where the uppermost engagement hole 10 is used, the fixed position of the car 3 can be changed by the dimension “a” in the vertical direction.

  Since the engagement plate 9 is not directly fixed to the guide rail 2 but is fixed to the support plate 7 fixed to the guide rail 2, the position change of the engagement plate 9 in the vertical direction is changed. It can be performed freely without being affected by various devices, members, seam plates, and the like attached to the frame. Accordingly, by freely changing the fixing position of the engaging plate 9 in the vertical direction, the position of the car 3 that is fixed using the engaging hole 10 formed in the engaging plate 9 is fixed at the best fixing position. be able to. Thereby, a worker who performs work such as maintenance and inspection performed on the car 3 can easily work in an easy posture without being forced to take a difficult posture.

(Second Embodiment)
A second embodiment of the present invention will be described with reference to FIGS. Note that, in the second embodiment and other embodiments, the same components as those of the previously described embodiments are denoted by the same reference numerals, and redundant description is omitted.

  In the second embodiment, one guide rail 2 of the pair of guide rails 2 installed in the elevator hoistway 1 is positioned on the back side of the guide rail 5 on the side where the guide shoe 5 is engaged. Thus, the engagement plate 9a, which is an engagement body, is fixed by the bolts 8. In FIG. 5, only one engagement plate 9 a is shown, but a plurality of engagement plates 9 a are fixed at predetermined intervals along the longitudinal direction of the guide rail 2. A plurality of engagement holes 10 are formed in the engagement plate 9a along the vertical direction.

  A fixing device 21 is attached to the upper part of the car frame 4. The fixing device 21 includes an outer case 22 and an engagement shaft 23 that is a sliding body. The engaging shaft 23 has a horizontal portion 24a extending in the horizontal direction and a vertical portion 24b extending in the vertical direction and is bent in an L shape, and a horizontal extending in the horizontal direction. It is formed by connecting a second shaft 25 having a portion 25a and a vertical portion 25b extending in the vertical direction and bent in an L shape.

  The first shaft 24 and the second shaft 25 are connected by fitting the vertical portion 24b to the hollow vertical portion 25b so that the vertical portion 24b is slidable, and the insertion hole 26 and the vertical portion 25b formed in the vertical portion 24b. The insertion hole 27 is formed in a horizontal direction, and a threaded pin 28 is inserted into the opposed insertion holes 26 and 27 so that a wing nut 29 is screwed.

  A plurality of insertion holes 27 are formed along the longitudinal direction of the vertical portion 25b, and the threaded pin 28 is inserted by changing the insertion hole 27 facing the insertion hole 26 of the vertical portion 24b in the horizontal direction. By doing so, the engagement shaft 23 can be expanded and contracted in the vertical direction.

  The engagement shaft 23 is slidable along the axial direction of the horizontal portion 24a of the first shaft 24 and the horizontal portion 25a of the second shaft 25, and rotates around the axis of the horizontal portion 24a of the first shaft 24. The outer case 22 is movably held.

  On the horizontal portion 24a of the first shaft 24, the engaging shaft 23 is rotated around the axis of the horizontal portion 24a, and the engaging shaft 23 is slid in the axial direction of the horizontal portions 24a and 25a. An operation projection 17 is provided for gripping the case. The outer case 22 is formed with a pair of engagement grooves 19a and 19b that engage with the operation protrusions 17 and restrict the sliding movement of the engagement shaft 23. The engagement shaft 23 is slid in the axial direction of the horizontal portions 24a and 25a, and the engagement shaft 23 is rotated around the axis of the horizontal portion 24a at the position of the sliding operation so By engaging with the engaging grooves 19a and 19b, the position of the engaging shaft 23 can be fixed at the position where the sliding operation is performed.

  In addition, the engagement hole 10 formed in the engagement plate 9a is formed in a dimension that can be engaged with the distal end portion of the horizontal portion 25a of the second shaft 25. Therefore, as shown by the solid line in FIG. 6, the horizontal portion 25 a and the engagement hole 10 are aligned so as to face each other in the horizontal direction, and the engagement shaft 23 is slid in the direction of the engagement plate 9. 6, the tip of the horizontal portion 25 a engages with the engagement hole 10.

  In such a configuration, when the position of the car 3 is fixed in order to perform work such as maintenance and inspection, as shown by the solid line in FIG. 6, the horizontal portion 25a of the second shaft 25 has any engagement hole. 10, the car 3 is stopped at a position facing the car 10 in the horizontal direction, and an operator riding on the car 3 rotates and slides the engagement shaft 23. In this turning operation and sliding operation, the operating shaft 17 engaged with the engaging groove 19a is rotated about the axis of the horizontal portion 24a, and the operating protrusion 17 and the engaging groove 19a are connected. Release the engagement. Next, the engagement shaft 23 is slid in the direction of the engagement plate 9, the tip of the horizontal portion 25 a is engaged with the engagement hole 10 as shown by the broken line in FIG. 6, and the operation protrusion 17 is engaged with the engagement groove. Engage with 19b.

  As a result, the sliding movement of the engaging shaft 23 is restricted with the tip of the horizontal portion 25a engaged with the engaging hole 10, and the position of the car 3 can be fixed. It is possible to prevent the occurrence of an accident that the 3 moves up and down.

  When the fixed position of the car 3 is changed according to the work position, the engagement of the horizontal portion 25a with the engagement hole 10 is once released, the car 3 is moved up and down, and the horizontal portion 24a is opposed to the position. The other engagement hole 10 is engaged.

  Further, when the fixed position of the car 3 is changed according to the work position, it can also be performed by extending and contracting the engagement shaft 23 in the vertical direction. For example, as shown in FIG. 6, the threaded pin 28 inserted through the insertion hole 26 formed in the vertical portion 24b and the insertion hole 27 formed in the vertical portion 25b is temporarily removed, as shown in FIG. The second shaft 25 is slid upward, the insertion hole 26 formed in the vertical portion 24b is opposed to the other insertion hole 27 formed in the vertical portion 25b, and the insertion holes 26 and 27 are screwed. This can be done by inserting the pin 28 and screwing the wing nut 29.

  Even when the front end portion of the horizontal portion 25a is engaged with the same engagement hole 10 of the engagement plate 9 by expanding and contracting the engagement shaft 23 in the vertical direction in this way, the fixed position of the car 3 is fixed. Can be changed vertically. Therefore, by extending and retracting the engagement shaft 23 in the vertical direction, the car 3 is fixed at the best fixing position without being affected by various devices and members attached to the guide rail 2 and the joint plate. be able to. Thereby, a worker who performs work such as maintenance and inspection performed on the car 3 can easily work in an easy posture without being forced to take a difficult posture.

(Third embodiment)
A third embodiment of the present invention will be described with reference to FIGS. In the third embodiment, as described in the first embodiment, the engagement plate 9 is connected to the support plate 7 fixed to the guide rail 2 so that the vertical position can be adjusted. As described in the embodiment, the engagement shaft 23 is formed by connecting the first shaft 24 and the second shaft 25. When the car 3 is fixed in position, the tip of the horizontal portion 25 a of the second shaft 25 is engaged with the engagement hole 10 of the engagement plate 9.

  In such a configuration, when the fixed position of the car 3 is changed according to the work position where maintenance inspection or the like is performed, the connection state of the engagement plate 9 to the support plate 7 is changed in the vertical direction, and This can be done by extending and retracting the shaft 23 in the vertical direction.

  By changing the connection state of the engagement plate 9 to the support plate 7 in the vertical direction and expanding and contracting the engagement shaft 23 in the vertical direction, various devices and members attached to the guide rail 2, joint plates, and the like The car 3 can be fixed at the best fixing position without being affected by the above. Thereby, a worker who performs work such as maintenance and inspection performed on the car 3 can easily work in an easy posture without being forced to take a difficult posture.

  Further, according to the third embodiment, when the fixed position of the car 3 is changed, the engagement shaft 23 is expanded and contracted in the vertical direction and the position of the engagement plate 9 is adjusted in the vertical direction. Compared to the embodiment, the amount of expansion and contraction of the engagement shaft 23 in the vertical direction can be reduced. Further, by reducing the amount of expansion and contraction of the engagement shaft 23 in the vertical direction, stress concentration acting on the bent portions of the first shaft 24 and the second shaft 25 can be suppressed, and durability can be enhanced.

(Fourth embodiment)
A fourth embodiment of the present invention will be described with reference to FIGS. In the fourth embodiment, as shown in FIG. 10, the engaging body 31 is formed by three plate members 31a, 31b, 31c, and the engaging body 31 connects the guide rail 2 in the vertical direction. It is stored in a storage space 33 formed in 32 so that it can be pulled out. A protrusion 34 is formed on the plate member 31a, and the protrusion 34 is slidably engaged with a guide groove 35 formed on the plate member 31b. Further, a projection 36 is formed on the plate member 31b, and this projection 36 is slidably engaged with a guide groove 37 formed on the plate member 31c. Further, a projection 38 is formed on the plate member 31 c, and the projection 38 is slidably engaged with a guide groove 39 formed on the inner surface of the storage space 33.

  A handle 40 and an engagement hole 41 are formed on the distal end side of the plate member 31a. By grasping and pulling the handle 40, the plate members 31a to 31c are successively placed in the storage space 33 as shown in FIG. And are arranged in the same horizontal plane. And the engagement hole 41 opposes the front-end | tip part of the horizontal part 24a of the engagement shaft 23 demonstrated in 2nd Embodiment. It should be noted that the engaging portion between the protrusion 34 and the guide groove 35, the engaging portion between the protrusion 36 and the guide groove 37, and the engaging portion between the protrusion 38 and the guide groove 39 accommodate the plate members 31a to 31c in the storage space 33. Even if you put it in and out, it has a structure that will not come off.

  In such a configuration, when the position of the car 3 is fixed for work such as maintenance and inspection, the plate members 31a to 31c stored in the storage space 33 of the joint plate 32 are as shown in FIG. Withdrawal, the engagement hole 41 formed in the plate member 31a is opposed to the tip of the horizontal portion 25a. Then, the car 3 can be fixed in position by sliding the engaging shaft 23 in the direction of the plate member 31 a and engaging the tip of the horizontal portion 25 a with the engaging hole 41.

  After the work performed by fixing the position of the car 3 is completed, the engagement of the horizontal portion 25a with the engagement hole 41 is released, and then the handle 40 of the plate member 31a is gripped and pushed toward the storage space 33 side. Thus, all the plate members 31 a to 31 c are stored in the storage space 33.

  Accordingly, the engagement body 31 formed by the three plate members 31a, 31b, and 31c becomes invisible to the elevator user except during maintenance and inspection work with the car 3 fixed in position, and the guide rail 2 is not visible. The structure of the surroundings is clean and the aesthetics of the elevator can be improved.

(Fifth embodiment)
A fifth embodiment of the present invention will be described with reference to FIGS. In the fifth embodiment, the gantry 51 is fixed to both upper ends of the car frame 4, and the housing body 52 and the support body 53 are rotatably mounted on the gantry 51.

  The container 52 is provided so as to be rotatable between a position away from the guide rail 2 as shown in FIG. 13 and a position near the guide rail 2 as shown in FIG. As shown in FIG. 14, the support body 53 has a position to support the container 52 rotated to a position close to the guide rail 2 at that position, and a position to release the support as shown in FIG. 13. It is provided so that rotation is possible.

  When the container 52 is rotated to a position close to the guide rail 2, the container 52 is opposed to both side surfaces of the guide rail 2 and approaches the side surface of the guide rail 2 from above to below. A pair of inclined surface portions 54 are formed.

  Further, a wedge body 55 that bites between the guide rail 2 and the inclined surface portion 54 when the container 52 is rotated to a position close to the guide rail 2 is accommodated in the container 52. A hook portion 56 is formed on the wedge body 55, and the hook portion 56 is hooked to a hook portion 57 provided on the housing body 52 so as to be detachable. The surface of the wedge body 55 that faces the inclined surface portion 54 has the same inclination angle as the inclination angle of the inclined surface portion 54.

  When the container 52 is rotated to a position close to the guide rail 2, the wedge body 55 supported by hooking the hook portion 56 on the hook portion 57 has an inclined surface portion 54 and a guide as shown in FIG. It is separated from the rail 2. However, when the hook portion 56 is removed from the hook portion 57, the wedge body 55 falls due to its own weight and bites between the inclined surface portion 54 and the guide rail 2.

  In such a configuration, when the position of the car 3 is fixed in order to perform work such as maintenance and inspection, the car 3 is stopped at an arbitrary position, and an operator riding on the car 3 receives the container. As shown in FIG. 14, 52 is rotated to a position close to the guide rail 2, and the support body 53 is rotated to a position where the rotated storage body 52 is supported at the rotation position. Next, the hook portion 56 of the wedge body 55 is removed from the hook portion 57, and the wedge body 55 is dropped by its own weight.

  The wedge body 55 dropped by its own weight can bite between the inclined surface portion 54 and the guide rail 2 to fix the position of the car 3. As a result, the position of the car 3 during work such as maintenance inspection can be fixed at the best fixing position, and a worker who performs work such as maintenance inspection carried on the car 3 is difficult to work. It is possible to easily work with an easy posture without being forced to do so.

  During maintenance inspections and the like, the weight on the side of the car 3 is smaller than that on the side of the counterweight, so that a force in the upward direction acts on the car 3, and the action of this force causes the inclined surface portion 54 and the guide rail to move. The wedge body 55 bites in between the two and the car 3 is promoted, and an accident that the car 3 rises during the work can be prevented.

  Further, after the work such as maintenance and inspection is completed, if the car 3 is slightly lowered, the wedge body 55 is released from being caught between the inclined surface portion 54 and the guide rail 2, and the wedge body 55 is lifted and pulled. The hook 56 can be hooked on the hook 57. After the hook portion 56 of the wedge body 55 is hooked on the hook portion 57, the container body 52 is rotated to a position away from the guide rail 2 as shown in FIG.

DESCRIPTION OF SYMBOLS 1 Elevator hoistway 2 Guide rail 3 Car 7 Support plate (support body)
9 Engagement plate (engagement body)
9a Engagement plate (engagement body)
10 engaging hole 16 engaging shaft (sliding body)
21 Fixing device 23 Engagement shaft (sliding body)
52 Container 54 Inclined surface portion 55 Wedge body

Claims (4)

An engagement body attached to a guide rail provided in the elevator hoistway and having an engagement hole;
A fixing device having a sliding body attached to a car provided in the elevator hoistway so as to be movable up and down and slidable between a position engaging with the engagement hole and a position releasing the engagement; ,
The engagement body is connected to a support body fixed to the guide rail so that the vertical position adjustment is possible.
An elevator car fixing device characterized by that. An engagement body attached to a guide rail provided in the elevator hoistway and having an engagement hole;
A fixing device having a sliding body attached to a car provided in the elevator hoistway so as to be movable up and down and slidable between a position engaging with the engagement hole and a position releasing the engagement; ,
The sliding body is provided so that it can be expanded and contracted in the vertical direction and fixed at an arbitrary position expanded and contracted.
An elevator car fixing device characterized by that. An engagement body attached to a guide rail provided in the elevator hoistway and having an engagement hole;
A fixing device having a sliding body attached to a car provided in the elevator hoistway so as to be movable up and down and slidable between a position engaging with the engagement hole and a position releasing the engagement; ,
The engagement body is connected to a support body fixed to the guide rail so that the vertical position can be adjusted,
The sliding body is provided so that it can be expanded and contracted in the vertical direction and fixed at an arbitrary position expanded and contracted.
An elevator car fixing device characterized by that. It is attached to a elevator car that can be raised and lowered in the elevator hoistway, and has a container that can move between a position near the guide rail provided in the elevator hoistway and a position away from the guide rail. ,
The container is formed with an inclined surface portion that faces the guide rail and is inclined so as to approach the guide rail from the top to the bottom when the container is moved to a position close to the guide rail. And
The container includes a wedge body that bites between the guide rail and the inclined surface portion of the container when the container is moved to a position close to the guide rail.
An elevator car fixing device characterized by that.

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