Car roof maintenance device

Abstract

The invention provides a car roof maintenance device which is characterized in that the car roof maintenance device is provided with a handrail which is arranged along the periphery of the upper part of a car which ascends and descends in a hoistway of an elevator; a car roof station connected to a control cable that supplies power to a device provided in the car or transmits a control signal to the device; an engagement part which is provided so as to extend in the longitudinal direction of an armrest disposed closest to a device that is maintained from the car roof and is provided in the hoistway, when viewed from the vertical direction, and which supports the car roof station so as to be fixed or movable; the clamped part is fixed on the car roof station, is clamped with the clamping part to support the car roof station, and enables the car roof station to move along the handrail on one side; and an arrangement part which extends in the horizontal direction directly below the car roof station, and on the upper surface of which a control cable is arranged, the control cable moving along the car roof station when the car roof station moves along the guide rail.

Description

Technical Field

[0001] The present invention relates to a car top maintenance device, which includes a handrail and a car top station. The handrail is arranged along the upper outer periphery of the car that moves up and down in the elevator shaft. The car top station is arranged inside the handrail and is connected to a control cable that controls equipment installed in the car. Background Technology

[0002] In the existing machine room-less elevator, in order to maintain the traction machine and control panel located in the hoistway from the car top, when viewed from the vertical direction, the inner side of the car top handrail on the side closest to the traction machine and control panel needs to ensure space for maintenance (see, for example, Patent Document 1).

[0003] Existing technical documents

[0004] Patent Document 1: Japanese Patent Application Publication No. 2010-184791 Summary of the Invention

[0005] When performing maintenance on the traction machine and control panel located in the hoistway from the car top, a prescribed distance must be maintained from the work surface to the top of the hoistway for operator safety. When a car top station is installed on the upper part of the car, the operator must climb onto the top of the car top station to perform the maintenance, thus placing the work surface at a height above the car top station from the top surface. In this case, to ensure the distance from the work surface to the top of the hoistway, the height of the hoistway top needs to be increased by the height of the car top station. Therefore, one method is to place the car top station, for example, at the location of the car top handrail, rather than on the ground above the car. However, since many devices are installed on the upper part of the car, the possible locations for the car top station handrail are limited to the vicinity of the top surface where the maintenance is performed. However, a problem arises: placing the car top station near this top surface can obstruct the operator's maintenance work.

[0006] The present invention was made to solve the aforementioned problems, and its purpose is to provide a car top maintenance device that can position the car top station on the car top handrail near the floor above the car where the operator performs hoistway equipment maintenance, without affecting the maintenance work.

[0007] The car top maintenance device of the present invention is characterized by comprising: a handrail provided along the upper outer periphery of a car that moves up and down within the elevator shaft; a car top station connected to a control cable that supplies power or sends control signals to equipment installed in the car; an engaging portion extending along the length of the handrail closest to the equipment when viewed vertically, supporting the car top station so that it can be fixed or moved, the equipment being maintained from the car top and installed in the shaft; a engaged portion fixed to the car top station, engaging with the engaging portion to support the car top station, and enabling the car top station to move along one side of the handrail; and a placement portion extending horizontally directly below the car top station, on the upper surface of which a control cable is disposed that moves along the car top station as it moves along the guide rail.

[0008] Invention Effects

[0009] The present invention provides a car top maintenance device that can position the car top station on the car top handrail near the floor above the car where the operator performs hoistway equipment maintenance, without affecting the maintenance work. Attached Figure Description

[0010] Figure 1 This is a front view showing the elevator car top maintenance device (integral) according to Embodiment 1 of the present invention in its normal state.

[0011] Figure 2 This is a front view showing the maintenance position of the elevator car top maintenance device (integral) according to Embodiment 1 of the present invention.

[0012] Figure 3 This is a perspective view showing the fixed position of the elevator car top maintenance device (car top) according to Embodiment 1 of the present invention.

[0013] Figure 4 This is a perspective view showing the maintenance position of the elevator car top maintenance device (car top) according to Embodiment 1 of the present invention.

[0014] Figure 5 This illustrates Embodiment 1 of the present invention. Figure 3 A top view of the configuration of the elevator car top maintenance device.

[0015] Figure 6 This illustrates Embodiment 1 of the present invention. Figure 4 A top view of the configuration of the elevator car top maintenance device.

[0016] Figure 7 This illustrates Embodiment 1 of the present invention. Figure 3 A three-dimensional view of the main parts of the car top station of the elevator car top maintenance device.

[0017] Figure 8 This illustrates Embodiment 1 of the present invention. Figure 7 A side view of the main part of the car top station of the elevator car top maintenance device.

[0018] Figure 9 This illustrates Embodiment 1 of the present invention. Figure 7 A front view (enlarged view) of the stop component of the elevator car top maintenance device.

[0019] Figure 10 This is a front view showing the fixed position of the elevator car top maintenance device (car top) according to Embodiment 2 of the present invention.

[0020] Figure 11 This is a front view showing the maintenance position of the elevator car top maintenance device (car top) according to Embodiment 2 of the present invention.

[0021] Figure 12 This is a perspective view showing the fixed position of the elevator car top maintenance device (car top) according to Embodiment 3 of the present invention.

[0022] Figure 13 This is a perspective view showing the maintenance position of the elevator car top maintenance device (car top) according to Embodiment 3 of the present invention.

[0023] Label Explanation

[0024] 1: Hoistway; 2: Car; 3a, 3b, 12a, 12b: Handrails; 30a, 30b, 120a, 120b: Cut-out sections; 31a, 121a: Stops; 6: Control panel; 7, 13: Car top station; 7a, 7b, 13a, 13b: Guide rollers; 8: Control cables; 9: Traction machine; 11, 14: Configuration section; 14a: Inclined surface; 14b: Roller; 20, 21: Space. Detailed Implementation

[0025] Implementation method 1.

[0026] Figure 1 This is a front view showing the elevator car top maintenance device (integral) according to Embodiment 1 of the present invention in its normal state. Figure 2 This is a front view showing the maintenance position of the elevator car top maintenance device (integral) according to Embodiment 1 of the present invention. Figure 3 This is a perspective view showing the fixed position of the elevator car top maintenance device (car top) according to Embodiment 1 of the present invention. Figure 4 This is a perspective view showing the maintenance position of the elevator car top maintenance device (car top) according to Embodiment 1 of the present invention. Figure 5 This illustrates Embodiment 1 of the present invention. Figure 3 A top view of the configuration of the elevator car top maintenance device. Figure 6 This illustrates Embodiment 1 of the present invention. Figure 4 A top view of the configuration of the elevator car top maintenance device. Figure 7 This illustrates Embodiment 1 of the present invention. Figure 3 A three-dimensional view of the main parts of the car top station of the elevator car top maintenance device. Figure 8 This illustrates Embodiment 1 of the present invention. Figure 7 A side view of the main part of the car top station of the elevator car top maintenance device. Figure 9 This illustrates Embodiment 1 of the present invention. Figure 7 A front view (enlarged view) of the stop component of the elevator car top maintenance device.

[0027] The elevator car 2, which moves up and down within the elevator shaft 1 of a building, is equipped with handrails 3a, 3b, 4a, 4b, 5a, 5b, and a car top station 7 to prevent operators from falling while working on the car 2. The car top station 7 sends operation control commands for the car 2 to the control panel 6 located in the shaft or machine room (not shown). The car top station 7 is connected to a control cable 8, which is connected to the control panel 6.

[0028] In machine-room-less elevators, both the control panel 6 and the traction machine 9, located in the shaft 1, are maintained from above the car 2.

[0029] Maintenance of the control panel 6 and traction machine 9 located in the hoistway 1 is carried out using the upper part of the car 2, which is the side closest to the control panel 6 and traction machine 9 when viewed from the vertical direction. The operator enters the space 20 or space 21 located in the upper part of the car 2 to carry out the work.

[0030] When viewed vertically, handrails 3a and 3b are positioned on the side closest to the control panel 6 and the traction machine 9. Handrails 3a and 3b are arranged separately from each other in the vertical direction.

[0031] The handrails 3a and 3b are supported by pillars 10a and 10b that are erected on the upper part of the car 2. In addition, the handrails 3a and 3b, and the pillars 10a and 10b have the strength to withstand the load of the car top station 7.

[0032] Handrails 3a and 3b are cuboid shapes with internal cavities formed by extending horizontally. In the vertical surfaces of the two sides of the car, handrails 3a and 3b respectively have cutouts 30a and 30b extending horizontally from one end to the other end in the central part in the vertical direction.

[0033] A pair of guide rollers 7a and 7b are provided at the car top station 7. The guide rollers 7a and 7b are supported by a pair of rotating shafts 70a and 70b in a rotatable manner. The rotating shafts 70a and 70b are fixed to the outer side of the car top station 7 (shaft 1 side).

[0034] On the outer side of the car top station 7, guide roller 7a is disposed at the upper part and guide roller 7b is disposed at the lower part. The car top station 7 is installed on the handrails 3a and 3b by a pair of guide rollers 7a and 7b.

[0035] The vertical spacing of the handrails 3a and 3b is configured to be consistent with the vertical spacing of the guide rollers 7a and 7b. In addition, the vertical height of the inner diameter of the handrails 3a and 3b is slightly larger than the outer diameter of the guide rollers 7a and 7b.

[0036] Furthermore, the widths of the cut portions 30a and 30b in the vertical direction are respectively formed to be larger than the outer diameters of the rotating shafts 70a and 70b and smaller than the outer diameters of the guide rollers 7a and 7b.

[0037] The steps for engaging the guide rollers 7a and 7b fixed to the car top station 7 with the handrails 3a and 3b are explained.

[0038] Guide rollers 7a and 7b are inserted into the interior of handrails 3a and 3b from their ends to engage them, while rotating shafts 70a and 70b pass through the cutouts 30a and 30b to engage them.

[0039] When the car top station 7 engages with the handrails 3a and 3b via the guide rollers 7a and 7b, the load of the car top station 7 is applied to the handrails 3a and 3b via the guide rollers 7a and 7b.

[0040] Furthermore, at this time, the rotating shafts 70a and 70b are configured in a non-contact manner with the cutouts 30a and 30b. Therefore, the load of the car top station 7 will not be transferred from the rotating shafts 70a and 70b to the handrails 3a and 3b.

[0041] When viewed vertically, the car top station 7 is positioned on either the space 20 side or the space 21 side of the handrails 3a and 3b. Here, the space 21 side is designated as the fixed position of the car top station 7.

[0042] When viewed vertically, a stop 31a is provided on the side of the handrail 3a opposite to that of the handrail 5a. The stop 31a can temporarily fix or move the car top station 7 relative to the handrail 3a.

[0043] A pair of wing bolts 32a are provided on the stop member 31a. The wing bolts 32a are arranged through the upper surface of the handrail 3a. The pair of wing bolts 32a clamp the guide rollers 7a from both sides, thereby temporarily fixing the car top station 7 to the handrail 3a.

[0044] In addition, the stop 31a prevents the car top station 7, which engages with the handrails 3a and 3b, from falling off the ends of the handrails 3a and 3b when it is in a fixed position.

[0045] When the car top station 7 is installed on the handrails 3a and 3b via guide rollers 7a and 7b, a control cable 8 is protruding from the lower end of the car top station 7.

[0046] The control cable 8 is a flat shape with a relatively wide width and a thickness smaller than its width, orthogonal to the length direction. That is, the control cable 8 is a shape that is not easily bent in the width direction but can be bent in the thickness direction.

[0047] As the car top station 7 moves horizontally along the handrails 3a and 3b via guide rollers 7a and 7b, the control cable 8 follows the movement of the car top station 7 and moves in a fixed direction.

[0048] When viewed from the vertical direction, a configuration unit 11 for configuring control cables 8 is provided within the range of movement of the car top station 7 and directly below the car top station 7.

[0049] A configuration surface 11a is formed in the configuration section 11. The width of the configuration surface 11a is slightly larger than the width of the control cable 8. When viewed from the vertical direction, the configuration surface 11a extends along the length direction within the range of movement of the car top station 7.

[0050] A fixing part 11b is provided at one end of the configuration surface 11a for fixing the control cable 8 that is connected to the control panel 6. The side of the control cable 8 fixed to the fixing part 11b opposite to the car top station 7 is connected to the control panel 6.

[0051] Since the car top station 7 moves in the horizontal direction, the control cable 8 ensures the length of the excess length 8a, which can follow the car top station 7, between the car top station 7 and the fixed part 11b.

[0052] The control cable 8 connected to the car top station 7 is first suspended from the car top station 7 in the opposite direction to the fixing part 11b, and then bent downward by its own weight at a specified position, and is configured to change direction towards the fixing part 11b.

[0053] The control cable 8, after being oriented toward the fixing part 11b, is disposed on the mounting surface 11a. The portion of the control cable 8 that is suspended is the excess length 8a. The excess length 8a and the control cable 8 disposed on the mounting surface 11a are disposed overlapping each other in the vertical direction.

[0054] When viewed vertically, the excess length 8a is smallest at the position of the car top station 7 furthest from the fixed part 11b. The excess length 8a gradually increases as the car top station 7 moves closer to the fixed part 11b from its furthest position, reaching its maximum length at the position closest to the fixed part 11b and being positioned on the upper part of the mounting surface 11a.

[0055] In spaces 20 and 21, since the operators need to stand while performing their work, no equipment that would obstruct the work is provided. That is, when viewed from a vertical direction, no equipment that could interfere with the maintenance work performed by the operators is provided in spaces 20 and 21. The car top station 7 is located inside the handrails 3a and 3b using space 20 or space 21.

[0056] When viewed vertically, spaces 20 and 21 are located inside the handrails 3a and 3b. Space 20 extends inside the car 2 from approximately the middle of the handrails 3a and 3b along their length to one end. Space 21 extends inside the car 2 from approximately the middle of the handrails 3a and 3b along their length to the other end.

[0057] Next, the operation of the car top station 7, which is fixed to the handrails 3a and 3b, will be explained. First, when viewed from the vertical direction, the car top station 7 is positioned at the handrails 3a and 3b in a fixed position (on the side of space 21).

[0058] At this time, when viewed from the vertical direction, the control cable 8 connected to the car top station 7 is positioned on the space 21 side of the mounting surface 11a. The excess length 8a of the control cable 8 is overlapped and positioned on the upper side of the control cable 8 near the center of the mounting surface 11a.

[0059] Since the car top station 7 is located on the side of space 21, while the side of space 20 is empty, the operator can perform maintenance on the traction machine 9 from the side of space 20, across the handrails 3a and 3b.

[0060] Next, when viewed vertically, the car top station 7 is moved from the space 21 side to the space 20 side. At this time, the operator releases the fixing of the stop 31a to allow the car top station 7 to move, thereby moving the car top station 7 located on the space 21 side towards the space 20 side along the handrails 3a and 3b.

[0061] Since the car top station 7 is located on the side of space 20, while the side of space 21 is empty, the operator can perform maintenance on the control panel 6 from the side of space 21, across the handrails 3a and 3b.

[0062] After maintenance, the operator moves the car top station 7 from the working position to the fixed position (side of space 21) and uses the stop 31a to fix the car top station 7.

[0063] As described above, according to Embodiment 1, a car top maintenance device can be implemented, comprising: handrails 3a, 3b, 4a, 4b, 5a, and 5b, which are arranged along the upper outer periphery of the car 2 that moves up and down within the elevator shaft 1; a car top station 7, which, when viewed from the vertical direction, is arranged inside the handrails 3a, 3b, 4a, 4b, 5a, and 5b and is connected to a control cable 8, which supplies power to or sends control signals to equipment installed in the car 2; and cutouts 30a and 30b, which, when viewed from the vertical direction, extend along the length of the handrails 3a and 3b located on the side closest to the equipment, and the car top station 7... The device is a support that can be fixed or moved. It is a device installed in the hoistway 1 for maintenance from the car 2. Guide rollers 7a and 7b are fixed to the car top station 7 and engage with the cutouts 30a and 30b to support the car top station 7 and allow the car top station 7 to move along the handrails 3a and 3b on one side. The device is also a mounting part 11 that extends horizontally directly below the car top station 7 and has a control cable 8 mounted on its upper surface. The control cable 8 moves along the car top station 7 as it moves along the handrails 3a and 3b. Thus, the car top station 7 can be mounted on the car top handrails 3a and 3b near the car top where the operator performs hoistway equipment maintenance, without affecting the maintenance work.

[0064] In addition, the handrail 3a has a stop 31a, which can fix or move the car top station 7 relative to the handrail 3a, thereby enabling safe maintenance work or normal operation of the car 2.

[0065] Implementation method 2.

[0066] Figure 10 This is a front view showing the fixed position of the elevator car top maintenance device (car top) according to Embodiment 2 of the present invention. Figure 11 This is a front view showing the maintenance position of the elevator car top maintenance device (car top) according to Embodiment 2 of the present invention.

[0067] The figure illustrates the car roof maintenance device according to Embodiment 2 of the present invention. The difference of the car roof maintenance device according to Embodiment 2 of the present invention is that, when viewed from the length direction, the two ends of a pair of handrails 12a and handrails 12b are respectively arranged at different heights, and the pair of handrails 12a and handrails 12b are arranged parallel to each other and inclined. Other identical parts are marked with the same symbols and the description is omitted.

[0068] In Implementation Method 1, maintenance is completed after the car top station 7 is moved from the working position of the handrails 3a and 3b to the fixed position. At this time, the operator manually moves the car top station 7 from the working position to the fixed position.

[0069] In implementation method 2, the objective is to automatically configure the car top station 13 to a fixed position without requiring the operator to manually move it.

[0070] The handrails 12a and 12b are cuboid shapes with internal cavities formed by extending horizontally. In the vertical surfaces of the two sides of the car, the handrails 12a and 12b respectively have cutouts 120a and 120b that extend horizontally from one end to the other end in the central part in the vertical direction.

[0071] A pair of guide rollers 13a and 13b are provided at the car top station 13. The guide rollers 13a and 13b are supported by a pair of rotating shafts 130a and 130b in a rotatable manner. The rotating shafts 130a and 130b are fixed to the outer side of the car top station 13 (shaft 1 side).

[0072] On the outer side of the car top station 13, a pair of rotating shafts 130a are arranged in a position where one is higher than the other, or one is lower than the other, matching the inclination of the handrail 12a. Similarly, a pair of rotating shafts 130b are also arranged in a position where one is higher than the other, or one is lower than the other, matching the inclination of the handrail 12b.

[0073] On the outer side of the car top station 13, guide roller 13a is disposed at the upper part and guide roller 13b is disposed at the lower part. The car top station 13 is mounted on the handrails 12a and 12b by a pair of guide rollers 13a and 13b.

[0074] The vertical spacing of the handrails 12a and 12b is configured to be consistent with the vertical spacing of the guide rollers 13a and 13b. In addition, the vertical height of the inner diameter of the handrails 12a and 12b is slightly larger than the outer diameter of the guide rollers 13a and 13b.

[0075] When viewed from the vertical direction, a stop 121a is provided on the side of the handrail 12a opposite to the fixed position. The stop 121a can temporarily fix or move the car top station 13 relative to the handrail 12a.

[0076] A pair of wing bolts 122a are provided on the stop 121a. The wing bolts 122a are arranged through the upper surface of the handrail 12a. The pair of wing bolts 122a clamp the guide rollers 13a from both sides, thereby temporarily fixing the car top station 13 to the handrail 12a.

[0077] When the operator performs maintenance, the stop 121a can temporarily fix or move the car top station 13, which is engaged with the handrails 12a and 12b, relative to the handrails 12a and 12b.

[0078] Next, the operation of the car top station 13 configured on the handrails 12a and 12b will be explained. First, the fixed position of the car top station 13 is on the side with the lower height of each of the handrails 12a and 12b, that is, on the side of space 20.

[0079] When maintenance is completed at the fixed position of car top station 13 and the operator leaves car top station 13, car top station 13 remains in its original state and is configured in the fixed position.

[0080] Next, while the operator is moving the car top station 13 from its fixed position to the space 21 side for maintenance, the operator uses the stop 121a provided on the handrail 12a to temporarily fix the car top station 13 to the space 21 side.

[0081] When maintenance is completed on the space 21 side, the operator uses stop 121a to release the fixed state of the car top station 13. As the operator leaves the car top station 13, the car top station 13 automatically begins to move from the space 21 side along the handrails 12a and 12b toward the fixed position side by its own weight. When the car top station 13 returns to the fixed position, it is positioned there.

[0082] As described above, according to Embodiment 2, when viewed from the length direction, the two ends of a pair of handrails 12a and 12b are respectively arranged at different heights, and the pair of handrails 12a and 12b are arranged parallel to each other and inclined. Thus, the car top station 13 can be automatically arranged in a fixed position without the operator having to move it.

[0083] In addition, the handrail 12a has a stop 121a, which allows the car top station 13 to be fixed or moved relative to the handrail 12a, thereby enabling safe maintenance work or normal operation of the car 2.

[0084] Implementation method 3.

[0085] Figure 12 This is a perspective view showing the fixed position of the elevator car top maintenance device (car top) according to Embodiment 3 of the present invention. Figure 13 This is a perspective view showing the maintenance position of the elevator car top maintenance device (car top) according to Embodiment 3 of the present invention.

[0086] The figure illustrates a car roof maintenance device according to Embodiment 3 of the present invention. The difference of the car roof maintenance device according to Embodiment 3 of the present invention is that it includes: an inclined surface 14a, which is formed extending along the length direction of the upper surface of the arrangement portion 14; and a roller 14b, which abuts against the control cable 8 arranged on the inclined surface 14a and is able to move along the inclined surface 14a together with the control cable 8. Other than this, the same symbols are marked and the description is omitted.

[0087] Next, the operation of the car top station 7, which is installed on the handrails 3a and 3b, will be explained. First, the fixed position of the car top station 7 is on the side of the lower height of the installation section 14, that is, on the side of space 20.

[0088] When maintenance is completed at the fixed position of car top station 7 and the operator leaves car top station 7, car top station 7 remains in its original state and is configured in the fixed position.

[0089] Next, while the operator is moving the car top station 7 from its fixed position to the space 21 side for maintenance, the operator uses the stop 31a provided on the handrail 3a to temporarily fix the car top station 7 to the space 21 side.

[0090] When maintenance is completed on the space 21 side, the operator uses the stop 31a to release the fixed state of the car top station 7. As the operator leaves the car top station 7, the car top station 7 automatically moves along the handrails 3a and 3b from the space 21 side toward the fixed position side by its own weight, together with the control cable 8.

[0091] At this time, as the roller 14b moves downward along the inclined plane 14a, the control cable 8 is positioned in the configuration section 14 while moving downward together with the roller 14b.

[0092] When the control cable 8 moves along the configuration section 14, the car top station 7 moves in conjunction with the control cable 8 from the space 21 side along the handrails 3a and 3b to a fixed position. When the car top station 7 returns to the fixed position, it is positioned there.

[0093] As described above, according to embodiment 3, it includes: an inclined surface 14a, which is formed extending along the length direction of the upper surface of the arrangement portion 14; and a roller 14b, which abuts against the control cable 8 arranged on the inclined surface 14a and can move along the inclined surface 14a together with the control cable 8. Thus, the car top station 7 can be automatically arranged in a fixed position without the need for the operator to move the car top station 7.

[0094] In addition, the handrail 3a has a stop 31a, which can fix or move the car top station 7 relative to the handrail 3a, thereby enabling safe maintenance work or normal operation of the car 2.

[0095] Industrial availability

[0096] The present invention is a car top maintenance device, which has a car top station and is connected to a control cable controlling equipment installed in the car.

Claims

1. A car roof maintenance device, characterized in that, The car roof maintenance device includes: Handrails are provided along the upper outer perimeter of the elevator car as it moves up and down within the elevator shaft; The car top station is connected to the control cable, which supplies power to or sends control signals to the equipment installed in the car. A locking part, which extends along the length of the handrail located on the side closest to the device when viewed from the vertical direction, supports the car top station so that it can be fixed or moved. This device is a device installed in the hoistway that is maintained from the car top. The engaging part is fixed to the car top station, engages with the engaging part to support the car top station, and allows the car top station to move along the handrail on one side; as well as The configuration unit extends horizontally directly below the car top station and has the control cable configured on its upper surface, which moves along the car top station as it moves along the guide rail.

2. The car roof maintenance device according to claim 1, characterized in that, When viewed from the length direction, the two ends of the handrail on one side are respectively arranged at different heights, and the handrails on one side are arranged parallel to each other and at an angle.

3. The car roof maintenance device according to claim 1, characterized in that, The car roof maintenance device includes: An inclined surface, which extends along the length direction of the upper surface of the configuration portion; and A roller that abuts against the control cable disposed on the inclined plane and is capable of moving along the inclined plane together with the control cable.

4. The car roof maintenance device according to claim 1, characterized in that, The handrail on one side has a stop, which allows the car roof station to be fixed or moved relative to the handrail on one side.

5. The car roof maintenance device according to claim 2, characterized in that, The handrail on one side has a stop, which allows the car roof station to be fixed or moved relative to the handrail on one side.

6. The car roof maintenance device according to claim 3, characterized in that, The handrail on one side has a stop, which allows the car roof station to be fixed or moved relative to the handrail on one side.

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