Landing door opening and closing device for elevator, operating device and elevator

Abstract

The utility model discloses a landing door opening and closing device for an elevator, which comprises an unlocking part connected with a locking hook of the elevator for locking two landing doors; the rotating part is rotatably mounted on at least one driving landing door of the two landing doors; one end of the traction part is connected with the rotating part, the other end of the traction part extends to a well wall in a pit of the elevator, and the traction part is configured to operate the traction part in the pit to drive the rotating part to rotate so as to drive the unlocking part to downwards pull the locking hook in the vertical direction, and the unlocking part can unlock the locking hook under the condition that the landing door is driven to be in a released state and the rotating part stops rotating. And the driving landing door is driven to move away from the other landing door.

Description

Technical Field

[0001] At least one embodiment of the utility model relates to a switch device for an elevator hall door, and in particular to a hall door switch device, an operating device and an elevator used for an elevator during elevator maintenance. Background Art

[0002] During routine maintenance, operators usually need to open the elevator hall door and enter the pit of the elevator shaft to perform maintenance operations. After the operator enters the pit, in order to prevent other people from accidentally falling into the pit, the operator needs to close the hall door. After the maintenance is completed, the operator opens the hall door and leaves the pit.

[0003] However, the depth of the elevator pit is usually greater than 1800mm. After the maintenance is completed, the operator needs to place a ladder, climb up the ladder, unlock and open the hall door, and then place a blocker to prevent the hall door from closing before leaving the pit. Due to the small space in the pit, it is inconvenient for the maintenance personnel to complete the above operations. Utility Model Content

[0004] In view of this, an embodiment of the utility model provides a hall door switch device, an operating device and an elevator for an elevator, so as to unlock and open the hall door of the elevator.

[0005] According to an embodiment of the utility model, a hall door switch device for an elevator is provided, comprising: an unlocking part connected to a locking hook of the elevator for locking two hall doors; a rotating part rotatably mounted on at least one driving hall door of the two hall doors; and a traction part, one end of which is connected to the rotating part and the other end of which extends to the shaft wall in the pit of the elevator, and is configured to drive the rotating part to rotate by operating the traction part in the pit, so as to drive the unlocking part to pull the locking hook downward in a vertical direction, and drive the driven hall door to move away from the other hall door when the driven hall door is in a released state and the rotating part stops rotating.

[0006] According to an embodiment of the utility model, the rotating portion is configured as a substantially elliptical turntable, the turntable is rotatably mounted on the driving hall door, the first position on the turntable is connected to the unlocking portion, and the traction portion is connected to the second position on the turntable; when the driving hall door is in a locked state, in a vertical direction, the first position on the turntable is located above the second position on the turntable, so that the traction portion pulls the turntable to rotate and drives the locking hook to disengage from the driving hall door.

[0007] According to an embodiment of the utility model, the center of the turntable is rotatably mounted on the driving hall door, and two mounting holes are provided on the turntable along the long axis direction, and the two mounting holes are respectively connected to the unlocking part and the traction part.

[0008] According to an embodiment of the utility model, the traction part includes: a fixed pulley installed on the shaft wall; and a cable, one end of the cable is connected to the second position on the turntable via the fixed pulley, and the other end of the cable extends to the shaft wall perpendicular to the driving hall door, so as to drive the turntable to rotate by pulling the cable in the pit.

[0009] According to an embodiment of the utility model, part of the cable between the turntable and the fixed pulley is arranged perpendicular to the unlocking portion; when the driving hall door is in a locked state, a rotational torque is generated by pulling the cable, so that the turntable rotates; when the driving hall door is in a released state, the cable is continued to be pulled so that the rotational torque applied by the cable on the turntable is zero, so that the driving hall door is driven to move away from another hall door via the turntable.

[0010] According to an embodiment of the utility model, the hall door switch device also includes: a guide portion extending in the vertical direction and installed on the shaft wall, and the cable passes through the guide portion in the vertical direction to guide the portion of the cable located between the fixed pulley and the other end of the cable to move in the vertical direction.

[0011] According to an embodiment of the utility model, the guide portion is constructed as a substantially U-shaped or rectangular frame, covering the hoistway wall, and openings are respectively provided on the top and bottom of the frame to allow the cable to move in the vertical direction.

[0012] According to an embodiment of the utility model, the hall door switch device further comprises: a locking portion, which is mounted on the hoistway wall and is configured to lock the traction portion when the driven hall door is in a fully opened state.

[0013] According to an embodiment of the utility model, a pull ring is provided at the end of the traction part; the locking part comprises: a circular ring installed on the hoistway wall, suitable for clamping the pull ring when the driving hall door is fully opened.

[0014] According to an embodiment of the utility model, a reinforcing rib is provided on the driving hall door, and the rotating part is rotatably mounted on the reinforcing rib.

[0015] According to an embodiment of the utility model, the unlocking portion is a rope, one end of which is connected to the locking hook, and the other end of which is connected to the first position of the turntable.

[0016] According to an embodiment of the utility model, an operating device is provided, comprising: the hall door switch device for an elevator as described in the above embodiment; a ladder, which is detachably mounted at the bottom of the pit of the elevator, and when the hall door switch device drives the driven hall door to open, the bottom of the ladder is mounted at the bottom of the pit of the elevator, and the upper end of the ladder rests between two hall doors; and a blocker, which is placed on one side of at least one of the hall doors to prevent the hall door from closing when the driven hall door is opened.

[0017] According to an embodiment of the utility model, an elevator is provided, comprising: a pit, at the bottom of which a bracket for supporting the ladder is arranged; a hall door installed above the pit; and the operating device described in the above embodiment.

[0018] According to the above embodiment of the utility model, the hall door switch device for an elevator comprises an unlocking part, a rotating part and a traction part. The traction part is operated in the pit to drive the rotating part to rotate, so as to drive the unlocking part to pull the locking hook downward in the vertical direction, and when the hall door is in a released state and the rotating part stops rotating, the hall door is driven to move away from another hall door to complete the hall door opening operation, so as to facilitate the operator to open the hall door from the inside of the pit. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the motion state of the hall door switch device for an elevator according to an embodiment of the utility model when the hall door is driven and locked;

[0020] Figure 2 It is a schematic diagram of the motion state of the hall door switch device for an elevator according to an embodiment of the utility model when the hall door is driven to be fully opened;

[0021] Figure 3 is a schematic diagram of the assembly of the unlocking part and the locking hook of the hall door switch device for an elevator in an embodiment of the utility model; and

[0022] Figure 4 It is a top view of the guide part of the hall door switch device for an elevator according to an embodiment of the utility model.

[0023] In the figure:

[0024] 1-unlocking part; 11-blocker;

[0025] 2- hall door; 21- locking hook; 22- reinforcing rib; 23- threshold; 24- elevator door lock; 25- reset spring; 26- driving hall door;

[0026] 3- rotating part;

[0027] 31-turntable; 311-first position; 312-second position; 313-mounting hole;

[0028] 4- traction part; 41- fixed pulley; 42- cable; 43- pull ring;

[0029] 5-wellway wall;

[0030] 6-guide part; 61-frame; 611-opening;

[0031] 7-locking portion; 71-ring;

[0032] 8- pit; 81- bracket;

[0033] 9- Climb the ladder. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0035] According to the inventive concept of one aspect of the utility model, a hall door switch device for an elevator is provided, comprising: an unlocking part connected to a locking hook of the elevator for locking two hall doors; a rotating part rotatably mounted on at least one driving hall door of the two hall doors; and a traction part, one end of which is connected to the rotating part and the other end of which extends to the shaft wall in the pit of the elevator, and is configured to drive the rotating part to rotate by operating the traction part in the pit, so as to drive the unlocking part to pull the locking hook downward in a vertical direction, and drive the driving hall door to move away from the other hall door when the driving hall door is in a released state and the rotating part stops rotating.

[0036] Figure 1 It is a schematic diagram of the motion state of the hall door switch device for an elevator according to an embodiment of the utility model when the hall door is driven and locked; Figure 2 It is a schematic diagram of the motion state of the hall door switch device for an elevator according to an embodiment of the utility model when the hall door is driven to be fully opened; Figure 3 The utility model is a schematic diagram of the assembly of the unlocking part and the locking hook of the hall door switch device for the elevator according to the embodiment of the present utility model.

[0037] According to the exemplary embodiment of the present invention, please refer to Figure 1-Figure 3, a hall door switch device for an elevator is provided, comprising an unlocking part 1, a rotating part 3 and a traction part 4. The unlocking part 1 is connected to a locking hook 21 of the elevator for locking two hall doors 2. The rotating part 3 is rotatably mounted on at least one driving hall door 26 of the two hall doors 2. One end of the traction part 4 is connected to the rotating part 3, and the other end extends to the shaft wall 5 in the pit 8 of the elevator. The traction part 4 is configured to drive the rotating part 3 to rotate by operating the traction part 4 in the pit 8, so as to drive the unlocking part 1 to pull the locking hook 21 downward in the vertical direction, and drive the driving hall door 26 to move away from the other hall door 2 when the driving hall door 26 is in a released state and the rotating part 3 stops rotating.

[0038] In this embodiment, the hall door switch device includes an unlocking part 1, a rotating part 3 and a traction part 4. The traction part 4 is operated in the pit 8 to drive the rotating part 3 to rotate, so as to drive the unlocking part 1 to pull the locking hook 21 downward in the vertical direction, and when the driving hall door 26 is in a released state and the rotating part 3 stops rotating, the driving hall door 26 is driven to move away from the other hall door 2 to complete the opening operation of the hall door 2, so as to facilitate the operator to open the hall door 2 from the inside of the pit 8.

[0039] Further, in this embodiment, under the action of the traction part 4, the rotating part 3 is subjected to the rotational torque applied by the traction part 4 and rotates to drive the unlocking part 1 to pull the locking hook 21 downward in the vertical direction. In this process, the rotating part 3 plays a role equivalent to a lever. Afterwards, when the driving hall door 26 is in the released state, the rotational torque applied by the traction part 4 on the rotating part 3 is zero, and the rotation stops, driving the driving hall door 26 to move away from the other hall door 2.

[0040] In some exemplary embodiments, referring to Figure 1-Figure 3 , the rotating part 3 is configured as a substantially elliptical turntable 31. The turntable 31 is rotatably mounted on the driving hall door 26, the first position 311 on the turntable 31 is connected to the unlocking part 1, and the traction part 4 is connected to the second position 312 on the turntable 31. When the driving hall door 26 is in a locked state, the long axis of the turntable 31 is tilted, and in the vertical direction, the first position 311 on the turntable 31 is located above the second position 312 on the turntable 31, so that the traction part 4 pulls the rotation of the turntable 31 to drive the locking hook 21 to disengage from the driving hall door 26. Wherein, before the turntable 31 rotates to the turntable 31, the rotation torque applied by the traction part 4 is zero, the locking hook 21 disengages from the driving hall door 26 to release the driving hall door 26. When the driving hall door 26 is in a released state, the turntable 31 stops rotating, and under the action of the traction part 4, the driving hall door 26 is driven to move away from the other hall door 2.

[0041] In this embodiment, in order to make the driven hall door 26 move away from the other hall door 2 through the turntable 31 under the action of the traction unit 4 when the driven hall door 26 is in the released state, the turntable 31 needs to stop rotating during this process. Therefore, it is necessary to ensure that after the locking hook 21 is separated from the driven hall door 26, the rotational torque applied by the traction unit 4 on the turntable 31 is zero. In other words, after the locking hook 21 is separated from the driven hall door 26, it is necessary to ensure that the force applied by the traction unit 4 to the turntable 31 is collinear with the long axis of the turntable 31, so that the rotational torque applied to the turntable 31 at this time is zero. In other words, before the turntable 31 rotates to the point where the force applied by the traction unit 4 to the turntable 31 is collinear with the long axis of the turntable 31, the locking hook 21 is separated from the driven hall door 26.

[0042] It should be noted that, in this embodiment, the rotating part 3 may also use a rod body instead of the turntable 31. When the driving hall door 26 is in the locked state, the rod body is tilted, and the two ends of the rod body are respectively connected to the unlocking part 1 and the traction part 4. When the driving hall door 26 is in the locked state, in the vertical direction, the end of the rod body connected to the unlocking part 1 is located above the end of the rod body connected to the traction part 4.

[0043] In some exemplary embodiments, referring to Figure 1-Figure 2 The center of the turntable 31 is rotatably mounted on the driving hall door 26 , and two mounting holes 313 are symmetrically arranged on the turntable 31 along the long axis direction, and the two mounting holes 313 are respectively connected to the unlocking part 1 and the traction part 4 .

[0044] It should be noted that, in this embodiment, the two mounting holes 313 correspond to the first position 311 and the second position 312 on the turntable 31 respectively.

[0045] In some exemplary embodiments, referring to Figure 1-Figure 3 The traction part 4 includes a fixed pulley 41 and a cable 42. The fixed pulley 41 is installed on the shaft wall 5 adjacent to and perpendicular to the driving hall door 26 in the pit 8. One end of the cable 42 is connected to the second position 312 on the turntable 31 through the fixed pulley 41, and the other end of the cable 42 extends to the shaft wall 5 adjacent to and perpendicular to the driving hall door 26 in the pit 8, so that the turntable 31 is driven to rotate by pulling the cable 42 in the pit 8, so as to drive the unlocking part 1 to move downward in the vertical direction, and release the driving hall door 26.

[0046] In this embodiment, when the cable 42 is subjected to an external force, it moves downward in the vertical direction. Figure 2 As shown by the arrow B in the middle, the rotating disk 31 is pulled to rotate, as shown in FIG. Figure 2The unlocking part 1 is rotated counterclockwise as indicated by the middle arrow A to drive the unlocking part 1 to move downward in the vertical direction, so that the locking hook 21 is disengaged from the driving hall door 26 to release the driving hall door 26. At this time, the turntable 31 rotates to a position where the long axis of the turntable 31 is in line with the cable 42, so that when the driving hall door 26 is in the released state, the rotation torque applied by the cable 42 on the turntable 31 is zero, the turntable 31 stops rotating, and under the action of the driving force continuously applied by the cable 42, the driving hall door 26 is driven to move away from the other hall door 2.

[0047] In some exemplary embodiments, referring to Figure 1-Figure 3 , a portion of the cable 42 between the turntable 31 and the fixed pulley 41 is arranged perpendicular to the unlocking portion 1. When the driving hall door 26 is in the locked state, the turning torque is generated by pulling the cable 42, so that the turntable 31 rotates. When the driving hall door 26 is in the released state, the turning torque applied by the cable 42 on the turntable 31 is zero by continuing to pull the cable 42, and the turntable 31 stops rotating, so that the driving hall door 26 is driven to move away from the other hall door 2 via the turntable 31.

[0048] In this embodiment, under the action of the cable 42, a rotational torque is generated, so that the turntable 31 rotates, driving the unlocking portion 1 to move downward in the vertical direction, so that the locking hook 21 is separated from the driving hall door 26 to release the driving hall door 26. At this time, the turntable 31 rotates to a position where the long axis of the turntable 31 is parallel to the horizontal plane, so that when the driving hall door 26 is in the released state, the rotational torque applied by the cable 42 on the turntable 31 is zero, and the turntable 31 stops rotating. Under the action of the driving force applied by the cable 42, the driving hall door 26 is driven to move away from the other hall door 2.

[0049] In some exemplary embodiments, referring to Figure 1-Figure 2 The hall door switch device further includes a guide portion 6. The guide portion 6 extends in the vertical direction and is mounted on the hoistway wall 5. The cable 42 passes through the guide portion 6 in the vertical direction to guide the portion of the cable 42 between the fixed pulley 41 and the other end of the cable 42 to move in the vertical direction.

[0050] Figure 4 It is a top view of the guide part of the hall door switch device for an elevator according to an embodiment of the utility model.

[0051] In some exemplary embodiments, referring to Figure 1-Figure 2 as well as Figure 4 The guide portion 6 is constructed as a roughly U-shaped or rectangular frame 61, which covers the shaft wall 5. The top and bottom of the frame 61 are respectively provided with openings 611 allowing the cable 42 to move in the vertical direction, so that the cable 42 passes through the two openings 611 in sequence and moves in the vertical direction to guide the part of the cable 42 located between the fixed pulley 41 and the other end of the cable 42 to move in the vertical direction.

[0052] In some exemplary embodiments, referring to Figure 1-Figure 2 The hall door switch device further comprises a locking portion 7. The locking portion 7 is mounted on the hoistway wall 5 and is configured to lock the traction portion 4 when the hall door 26 is driven to be in a fully opened state.

[0053] In some exemplary embodiments, referring to Figure 1-Figure 2 The end of the traction part 4 is provided with a pull ring 43. The locking part 7 includes a circular ring 71. The circular ring 71 is installed on the hoistway wall 5 and is suitable for clamping the pull ring 43 when the driving hall door 26 is fully opened to keep the driving hall door 26 in a fully opened state.

[0054] In some exemplary embodiments, referring to Figure 1-Figure 2 A reinforcing rib 22 is provided on the driving hall door 26, and the rotating part 3 is rotatably mounted on the reinforcing rib 22, so that under the action of the traction part 4, the driving hall door 26 is driven to move away from the other hall door 2 through the reinforcing rib 22.

[0055] In some exemplary embodiments, referring to Figure 1-Figure 3 The unlocking part 1 is a rope, one end of which is connected to the locking hook 21 , and the other end is connected to the first position 311 of the rotating disk 31 .

[0056] It should be noted that, in this embodiment, a return spring 25 is further provided between the locking hook 21 and the unlocking part 1. When the unlocking part 1 is subjected to a driving force in a vertical downward direction, the unlocking part 1 moves downward in the vertical direction, and the locking hook 21 overcomes the elastic force of the return spring 25 and moves downward in the vertical direction, so that the locking hook 21 is separated from the elevator door lock 24 to release the driving hall door 26. When the driving force in the vertical downward direction on the unlocking part 1 disappears, and the locking hook 21 and the elevator door lock 24 are collinear in the vertical direction, under the action of the elastic force of the return spring 25, the locking hook 21 moves upward in the vertical direction, so that the locking hook 21 is combined with the elevator door lock 24 to lock the driving hall door 26.

[0057] According to the exemplary embodiment of the present invention, please refer to Figure 1-Figure 2 , an operating device is provided, comprising the hall door switch device for an elevator, a ladder 9 and a stopper 11 as described in the above embodiment. The ladder 9 is detachably mounted at the bottom of the pit 8 of the elevator. When the hall door switch device drives the hall door 26 to open, the bottom of the ladder 9 is mounted at the bottom of the pit 8 of the elevator, and the upper end of the ladder 9 rests on the threshold 23 between the two hall doors 2. When the hall door 26 is driven to open, the stopper 11 is placed on one side of at least one hall door 2 to prevent the hall door 2 from closing.

[0058] It should be noted that, in this embodiment, when the elevator fails and needs to be repaired in the pit of the hoistway, the operator opens the hall door 2 from the outside of the pit 8 through the switch provided on the hall door 2 on the side outside the pit 8, and enters the pit 8 through the ladder 9. In order to prevent other personnel from accidentally falling into the pit 8, after entering the pit 8, the hall door 2 is closed, and then the ladder 9 is removed to perform relevant maintenance operations. After the inspection and maintenance operation is completed and the operator needs to leave the pit 8, the operator pulls the traction part 4 to drive the rotating part 3 to rotate, and drives the locking hook 21 to move downward in the vertical direction through the unlocking part 1 to release the driving hall door 26 and make the driving hall door 26 move away from the other hall door 2. After the driving hall door 26 is fully opened, the operator locks the traction part 4 through the locking part 7 to keep the driving hall door 26 in a fully open state; thereafter, the operator installs the ladder 9 at the bottom of the pit 8, and after climbing up the ladder 9, places the blocker 11 on one side of at least one hall door 2 to prevent the hall door 2 from closing; the operator enters the pit 8 again through the ladder 9 and separates the traction part 4 from the locking part 7; thereafter, the operator leaves the pit 8 through the ladder 9 and then moves the ladder to its original storage position; takes out the blocker 11 from the outside of the pit 8 to close the hall door 2.

[0059] According to the exemplary embodiment of the present invention, please refer to Figure 1-Figure 2 , an elevator is provided, comprising a pit 8, a hall door 2 and the operating device described in the above embodiment. A bracket 81 for supporting a ladder 9 is provided at the bottom of the pit 8. The hall door 2 is installed above the pit 8. When the hall door switch device drives the hall door 26 to open, the bottom of the ladder 9 is installed on the bracket 81, and the upper end of the ladder 9 rests on the threshold 23 between the two hall doors 2.

[0060] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hall door switch device for an elevator, characterized in that: include: An unlocking part (1) connected to a locking hook (21) of the elevator for locking two hall doors (2); A rotating part (3) rotatably mounted on at least one driving hall door (26) of the two hall doors (2); and A traction part (4) is connected to the rotating part (3) at one end and extends to a shaft wall (5) in a pit (8) of the elevator at the other end. The traction part (4) is operated in the pit (8) to drive the rotating part (3) to rotate, so as to drive the unlocking part (1) to pull the locking hook (21) downward in a vertical direction, and drive the driven hall door (26) to move away from the other hall door (2) when the driven hall door (26) is in a released state and the rotating part (3) stops rotating.

2. The hall door switch device for an elevator according to claim 1, characterized in that: The rotating part (3) is configured as a substantially elliptical rotating disk (31), the rotating disk (31) being rotatably mounted on the driving hall door (26), the first position (311) on the rotating disk (31) being connected to the unlocking part (1), and the traction part (4) being connected to the second position (312) on the rotating disk (31); When the driving hall door (26) is in a locked state, in the vertical direction, the first position (311) on the turntable (31) is located above the second position (312) on the turntable (31), so that the traction part (4) tractions the rotation of the turntable (31) to drive the locking hook (21) to disengage from the driving hall door (26).

3. The hall door switch device for an elevator according to claim 2, characterized in that: The center of the turntable (31) is rotatably mounted on the driving hall door (26), and two mounting holes (313) are provided on the turntable (31) along the long axis direction. The two mounting holes (313) are respectively connected to the unlocking part (1) and the traction part (4).

4. The hall door switch device for an elevator according to claim 2, characterized in that: The traction part (4) comprises: a fixed pulley (41) mounted on the shaft wall (5); and A cable (42), one end of the cable (42) is connected to a second position (312) on the turntable (31) via the fixed pulley (41), and the other end of the cable (42) extends to a shaft wall (5) perpendicular to the driving hall door (26), so as to drive the turntable (31) to rotate by pulling the cable (42) in the pit (8).

5. The hall door switch device for an elevator according to claim 4, characterized in that: A portion of the cable (42) between the rotating disk (31) and the fixed pulley (41) is arranged perpendicular to the unlocking portion (1); When the driving hall door (26) is in a locked state, a rotational torque is generated by pulling the cable (42), so that the turntable (31) rotates; When the driven hall door (26) is in a released state, the cable (42) is continuously pulled so that the rotational torque applied by the cable (42) on the turntable (31) becomes zero, thereby driving the driven hall door (26) to move away from another hall door (2) via the turntable (31).

6. The hall door switch device for an elevator according to claim 4, characterized in that: The hall door switch device also includes: The guide portion (6) extends in the vertical direction and is installed on the shaft wall (5); the cable (42) passes through the guide portion (6) in the vertical direction to guide the portion of the cable (42) between the fixed pulley (41) and the other end of the cable (42) to move in the vertical direction.

7. The hall door switch device for an elevator according to claim 6, characterized in that: The guide portion (6) is constructed as a roughly U-shaped or rectangular frame (61) covering the shaft wall (5), and the top and bottom of the frame (61) are respectively provided with openings (611) allowing the cable (42) to move in the vertical direction.

8. The hall door switch device for an elevator according to any one of claims 1 to 7, characterized in that: The hall door switch device also includes: A locking portion (7) is mounted on the shaft wall (5) and is configured to lock the traction portion (4) when the driving hall door (26) is in a fully opened state.

9. The hall door switch device for an elevator according to claim 8, characterized in that: The end of the traction part (4) is provided with a pull ring (43); the locking part (7) comprises: A circular ring (71) is mounted on the shaft wall (5) and is suitable for clamping the pull ring (43) when the driving hall door (26) is fully opened.

10. The hall door switch device for an elevator according to any one of claims 1 to 7, characterized in that: The driving hall door (26) is provided with a reinforcing rib (22), and the rotating part (3) is rotatably mounted on the reinforcing rib (22).

11. The hall door switch device for an elevator according to any one of claims 2 to 7, characterized in that: The unlocking portion (1) is a rope, one end of which is connected to the locking hook (21), and the other end of which is connected to the first position (311) of the rotating disk (31).

12. An operating device, characterized in that: include: A hall door switch device for an elevator according to any one of claims 1 to 11; a ladder (9) detachably mounted at the bottom of the pit (8) of the elevator, wherein when the hall door switch device drives the driving hall door (26) to open, the bottom of the ladder (9) is mounted at the bottom of the pit (8) of the elevator, and the upper end of the ladder (9) rests between the two hall doors (2); and A stopper (11) is placed on one side of at least one of the hall doors (2) to prevent the hall door (2) from closing when the driving hall door (26) is open.

13. An elevator, characterized in that: include: A pit (8), the bottom of which is provided with a bracket (81) for supporting the ladder (9); A hall door (2) is installed above the pit (8); and The operating device as claimed in claim 12 above.

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