Linkage operating device for elevator system and elevator system

Abstract

The invention relates to a linkage operation device for an elevator system and the elevator system. The linkage operation device comprises a base arranged on an elevator car; the detection part is arranged on the elevator car and is connected with a controller of the elevator system; the operation part is operably jointed with the base at least at a first position or a second position and is located at the first position when the elevator system normally runs, and when the operation part is separated from the first position, the detection part generates a first signal and provides the first signal to the controller to control the elevator system to enter a stop state; and when the operation part is located at the second position, the detection part generates a second signal and generates a third signal when it is detected that the protection device at the top of the elevator car is located at the working position and the car top protection area is limited, and the controller controls the elevator system to enter the maintenance state according to the second signal and the third signal. When the elevator car runs in the maintenance state, the operation part can make contact with a stopping device located at the preset position in the elevator shaft so as to stop the elevator car from running.

Description

Technical Field

[0001] This disclosure relates to the field of elevator technology, and more particularly to linkage operation devices and elevator systems for elevator systems. Background Technology

[0002] Currently, elevators are widely used in high-rise buildings, train stations, airports, private clubs, and family villas, greatly facilitating people's daily work, life, and travel. Based on considerations for safe operation, inspection, and maintenance, there are usually corresponding requirements for the top floor height and pit depth of the elevator shaft. Additionally, specialized mechanical blocking devices can be installed near the top floor and bottom pit within the elevator shaft to ensure minimum safe space between the car top and pit, providing safety measures to prevent elevator accidents and reducing the risk of accidents such as elevator car overshooting or bottoming out.

[0003] After research, this application found that existing mechanical restraint devices of this type have problems such as difficult installation and maintenance, large weight, high cost, and lack of safety protection connection with other devices in the elevator system, especially in application environments with relatively small top floor and / or pit size, such as home elevators installed in private residences such as villas. Summary of the Invention

[0004] In view of this, the present disclosure provides an interlocking operation device and an elevator system for elevator systems, to solve or at least alleviate one or more of the above-mentioned problems and other problems existing in the prior art, or to provide an alternative solution to the prior art.

[0005] First, according to one aspect of this disclosure, a linkage operation device for an elevator system is provided, comprising:

[0006] The base, which is placed on the elevator car;

[0007] A detection unit, which is arranged on the elevator car and connected to the controller of the elevator system; and

[0008] An operating unit is configured to be operably engaged with the base at least in a first position or a second position, wherein the operating unit is in the first position during normal operation of the elevator system, and when the operating unit is operated out of the first position, the detection unit generates a first signal and provides it to the controller to control the elevator system to enter a stop state; and

[0009] When the operating unit is operated to the second position, the detection unit generates a second signal, and the detection unit generates a third signal when it detects that the protective device located on the top of the elevator car is in the working position and defines the car top protective area. The controller controls the elevator system to enter the maintenance state according to the second signal and the third signal. When the elevator car is running in the maintenance state, the operating unit can contact the blocking device located at a preset position in the elevator shaft to prevent the elevator car from moving.

[0010] In the linkage operation device for an elevator system according to the present disclosure, optionally, the base is arranged on the top of the elevator car and is provided with at least a first mating part and a second mating part, wherein the operating part is in the first position when engaged with the first mating part and in the second position when engaged with the second mating part.

[0011] In the linkage operation device for an elevator system according to the present disclosure, optionally, the base is provided with a first through hole and a second through hole, the second through hole being closer to the outer side of the elevator car than the first through hole, and the operation part includes:

[0012] A first rod having opposing first and second ends, and configured to movably pass through the first through hole and the second through hole; and

[0013] A second rod is connected to the first rod and operably engages with either the first or second mating part. When the second rod engages with the first mating part, the second end of the first rod does not extend beyond the second through hole, or the portion extending outward beyond the second through hole does not contact the blocking device when the elevator car is in the maintenance state. When the second rod engages with the second mating part, the portion extending outward beyond the second through hole of the second end of the first rod can contact the blocking device when the elevator car is in the maintenance state.

[0014] In the linkage operation device for an elevator system according to the present disclosure, optionally, the first mating part and the second mating part are located between the first through hole and the second through hole, they are disposed on the side wall of the base and configured as a slot, and the second rod engages with the base when operated and placed in the slot.

[0015] In the linkage operation device for an elevator system according to the present disclosure, optionally, the first rod is configured to have a stepped shaft structure, the diameter of the first end is larger than the diameter of the second end, and the end diameter of the first end is larger than the diameter of the first through hole.

[0016] In the linkage operation device for an elevator system according to the present disclosure, optionally, the stepped shaft structure is configured such that when the operation part is operated to the second position, the surface of the stepped shaft structure triggers the detection part to generate the second signal.

[0017] In the linkage operation device for an elevator system according to the present disclosure, optionally, the second end of the first rod is configured to have a first plane and / or a second plane, the first plane being configured to contact a first blocking device located at a first preset distance from the top in the elevator shaft, and the second plane being configured to contact a second blocking device located at a second preset distance from the bottom in the elevator shaft.

[0018] Optionally, in the linkage operation device for an elevator system according to the present disclosure, the detection unit includes:

[0019] A first detection component is disposed on the base and / or the operating part and / or the protective device and / or the elevator car, for generating the first signal;

[0020] A second detection component, disposed on the base and / or the operating part and / or the elevator car, is used to generate the second signal; and

[0021] A third detection component, which is disposed on the elevator car and / or the protective device, is used to generate the third signal.

[0022] In the linkage operation device for elevator systems according to the present disclosure, optionally, the first detection component and / or the second detection component and / or the third detection component include a contact switch.

[0023] In the linkage operation device for an elevator system according to the present disclosure, optionally, the protective device is configured to be in an initial non-working position when the elevator system is operating normally, and the detection unit generates the third signal when the protective device is operated from the non-working position to the working position after the operation unit is operated to the second position.

[0024] In the linkage operation device for an elevator system according to the present disclosure, optionally, the protective device includes a guardrail that is laid horizontally on the top of the elevator car in the non-working position and defines the car top protection area after being vertically fixed in place on the top of the elevator car in the working position.

[0025] In the linkage operation device for an elevator system according to the present disclosure, optionally, the guardrail is configured as a folding guardrail, which is at least partially folded when in the non-working position and at least partially expanded open in the working position.

[0026] In the linkage operation device for an elevator system according to the present disclosure, optionally, the blocking device is disposed on the inner wall of the elevator shaft or on the elevator guide rail within the elevator shaft, and / or the blocking device includes a bracket and a contact member, the contact member being disposed on the bracket and having an elastic portion for contacting the operating part.

[0027] Secondly, according to another aspect of this disclosure, an elevator system is further provided, comprising:

[0028] An elevator car, which is configured to travel within an elevator shaft;

[0029] A protective device is arranged on the top of the elevator car to define the protective area on the car top;

[0030] A blocking device, disposed at a predetermined position within the elevator shaft, for preventing the elevator car from moving; and

[0031] The linkage operation device for elevator systems as described in any of the above.

[0032] Optionally, the elevator system according to this disclosure includes a home elevator.

[0033] This linkage operation device boasts advantages such as convenient installation and operation, light weight, low cost, and stable and reliable performance. In particular, it can be linked with elevator car top protection devices and elevator shaft blocking devices within the elevator system, providing more comprehensive and reliable safety protection measures for elevator system operation, inspection, and maintenance, effectively improving system safety performance. This disclosed solution has a wide range of applications, suitable for numerous environments such as home elevators and elevators in private locations. Attached Figure Description

[0034] The technical solutions of this disclosure will be further described in detail below with reference to the accompanying drawings and embodiments. However, it should be understood that these drawings are designed for illustrative purposes only and are intended to conceptually illustrate the structural construction described herein, and are not necessarily drawn to scale.

[0035] Figure 1 This is a three-dimensional structural schematic diagram of an elevator system example that can adopt an embodiment of the linkage operation device according to the present disclosure.

[0036] Figure 2 This is a three-dimensional structural diagram of an example of an interlocking operation device according to the present disclosure installed on an example elevator car and in normal operation of the example elevator system, wherein an example of a blocking device located in the elevator shaft and an example of a protective device located on the car top and in a non-operating position are shown simultaneously.

[0037] Figure 3 yes Figure 2 The diagram shows a three-dimensional structural representation of an example of an interlocking operation device when the elevator system is under maintenance. It also shows an example of a blocking device located in the elevator shaft and an example of a protective device located on the car top and in the working position.

[0038] Figure 4 yes Figure 2 The schematic diagram shown is a partial side view of the linkage operation device embodiment when the elevator system example is under maintenance, and also shows an example of a protective device located on the car top and in the working position.

[0039] Figure 5 yes Figure 2 The diagram shows a three-dimensional structural schematic of a portion of the structure in the embodiment of the linkage operation device.

[0040] Figure 6 yes Figure 2 The diagram shows a three-dimensional structure of the base in the embodiment of the linkage operation device.

[0041] Figure 7 yes Figure 2 The diagram shows an exploded view of the operating components in the embodiment of the linkage operation device.

[0042] Figure 8 yes Figure 2 The diagram shows a three-dimensional structural representation of the protective device example in its working position, which also illustrates a detection component in an embodiment of a linkage operation device that can be mounted on the protective device example.

[0043] Figure 9 yes Figure 2 The diagram shows a three-dimensional structure of an example of a blocking device installed on an example of an elevator shaft. Detailed Implementation

[0044] Figure 1 This is a perspective view of an elevator system 100, which may include an elevator car 103, a counterweight 106, a tensioning member 107, guide rails (or track system) 109, a machine unit (or machine unit system) 111, a position reference device 113, and an electronic elevator controller (controller) 115. The elevator car 103 and the counterweight 106 are connected to each other via the tensioning member 107 and travel along the elevator shaft 117 under driving force. The tensioning member 107 may include, for example, steel strips (such as coated steel strips) and / or ropes (such as wire ropes). The counterweight 106 may be configured to balance the load of the elevator car 103 and may be configured to facilitate simultaneous and opposite-direction movement of the elevator car 103 relative to the counterweight 106 along the guide rails 109 within the elevator shaft 117.

[0045] Tensioning member 107 can engage unit 111, which can be configured to control movement between elevator car 103 and counterweight 106. Unit 111 may include a motor or similar power unit to provide driving force to elevator system 100, and may be in a machine room-less configuration. Position reference device 113 may be arranged in other locations and / or configurations known in the art, such as mounted on a fixed portion at the top of elevator shaft 117, like a beam. Position reference device 113 may be configured to provide a position signal relating to the position of elevator car and / or counterweight within the elevator shaft, and may employ any device or mechanism known in the art for monitoring the position of elevator car and / or counterweight, such as, but not limited to, encoders, sensors, or other components, and may include speed sensing, absolute position sensing, etc.

[0046] Controller 115 may be located in controller room 121 of elevator shaft 117 and may be configured to control the operation of elevator system 100 (particularly elevator car 103). For example, controller 115 may provide drive signals to unit 111 to control the acceleration, deceleration, leveling, stopping, etc. of elevator car 103. Controller 115 may also be configured to receive position signals from position reference device 113 or any other desired such device or system. When moving up or down along guide rail 109 within elevator shaft 117, elevator car 103 may stop at one or more elevator floors 125 as controlled by controller 115. Although controller 115 is shown in controller room 121, those skilled in the art will appreciate that controller 115 may be located and / or configured in other places or locations within elevator system 100, such as remotely located or in the cloud.

[0047] The specific lifts and components shown and described in this document are as follows: Figure 1 These are non-limiting examples presented for illustrative and explanatory purposes only. It should be understood that other elevator systems can be configured to use the linkage mechanisms disclosed herein, for example, in environments with relatively small top-floor and / or pit spaces, such as home elevators. Furthermore, for the sake of simplicity in the drawings, identical or similar parts and features may be indicated only in one or more places in the same drawing. Technical terms such as "first," "second," and "third" are used for distinguishing purposes only and are not intended to indicate their order or relative importance. The technical term "connection (or engagement)" includes connections (or engagements) achieved directly or indirectly.

[0048] Please refer to the reference. Figures 2 to 9These accompanying drawings illustrate, by way of example only, the basic scenario of configuring and using an embodiment of the linkage operation device according to this disclosure in an elevator system example. With the aid of this linkage operation device embodiment, operators can conveniently perform operational control when performing tasks such as elevator equipment inspection and maintenance. In particular, it can be linked with the stop devices installed in the elevator shaft and the protective devices on the top of the elevator car, thereby significantly improving system safety performance and ensuring the personal safety of operators when working in locations such as the car top and pit, minimizing safety risks.

[0049] Specifically, the linkage operation device 150 may include a base 151, a detection unit 152, and an operation unit 153. The base 151 can be arranged on the elevator car 103, for example, it can be installed on the top 104 of the elevator car 103. Alternatively, the base 151 can be fixed to a structure 105 located on the car top and used for mounting loads, such as a beam, using a bracket 157 and a detachable method (e.g., using bolts, screws, etc.). It should be understood that in one or more embodiments, the base 151 may be arranged at other locations on the elevator car 103, for example, it may be completely or partially installed on the side of the elevator car 103, and the base 151 can be fixed in place individually or in combination using any feasible connection method such as welding.

[0050] Depending on the application requirements, the base 151 can be made of one or more suitable materials such as steel, iron, or metal alloys, and can be manufactured using one or more suitable processes such as casting, stamping, or machining to meet actual needs. Furthermore, the base 151 can be designed with any suitable structure, such as perforations or reinforcing ribs, to achieve one or more purposes, such as saving space, reducing weight, or increasing rigidity. For example, Figure 5 and Figure 6 As shown, mating parts 151a and 151b, through holes 151c and 151d, etc. can be provided on the base 151 so as to cooperate with the two rods 154 and 155 used as the operating part 153 in this embodiment, which will be described in detail below.

[0051] As used herein, the operating unit 153 is configured to be operably engaged with the base 151 in a first position P1 or a second position P2. Figure 2 and Figure 3The figure shows the specific engagement of the operating unit 153 and the base 151 at the first position P1 and the second position P2, respectively. The elevator car door 108 and the inner wall 118 of the elevator shaft are also shown in the figure. When using the linkage operating device 150, the operating unit 153 can be placed in the first position P1 when the elevator system is in normal operation, which is the normal position of the linkage operating device 150.

[0052] In certain situations, such as when inspecting, repairing, or replacing equipment in the elevator system, the operating unit 153 can be operated to disengage it from the first position P1. The detection unit 152 detects this and generates a first signal. This first signal is provided to the controller in the elevator system 100, such as controller 115 or a separately configured controller. Based on the received first signal, the controller then controls the elevator system to enter a stopped state. In the stopped state, the elevator car 103 is not allowed to travel within the elevator shaft 117; it cannot operate normally or be used for maintenance.

[0053] When the operating unit 153 is operated away from the first position P1 and then continues to operate into the second position P2, the detection unit 152 can detect the aforementioned situation and generate a second signal accordingly. Subsequently, the detection unit 152 can detect whether the protective device 130 (such as a guardrail) normally arranged on the top 104 of the elevator car 103 is currently in the working position. That is, when the protective device 130 is in the working position, it limits the car top protection area, thereby providing effective safety protection for personnel, such as those working on the car top. Figure 3 The aforementioned car roof protection area has been schematically indicated using the reference numeral S in the accompanying drawings. When the protection device 130 is currently in the working position and provides the car roof protection area S, for example, when the protection device 130 is set to always be in the working position, it can be detected by the detection unit 152 and a third signal can be generated accordingly.

[0054] Based on the second and third signals above, the controller in the elevator system 100 can control the elevator system to officially enter the maintenance state. That is, in order to improve the safety and reliability of the system, especially considering the status effectiveness of each device, the elevator system only enters the maintenance state when the protective device 130 and the safety linkage device 150 used in conjunction with the stopping device 140 are all in the correct position. This can minimize the system safety risk and ensure the safety of personnel and equipment.

[0055] In maintenance mode, operations related to equipment inspection, maintenance, and replacement can be performed on the elevator system. For example, the elevator car 103 can be controlled to travel at a relatively low inspection speed within the elevator shaft 117, effectively ensuring the personal safety of maintenance personnel and preventing potential equipment damage. Furthermore, since the operating unit 153 is currently in the second position P2 during maintenance, once the elevator car 103 reaches the stopping device 140 installed within the elevator shaft 117, the operating unit 153 will contact the stopping device 140, thereby preventing the elevator car 103 from continuing to travel. This ensures that even if the elevator car unexpectedly moves upward or downward during elevator maintenance, it can be reliably and promptly forced to stop, guaranteeing the safety of personnel and equipment. The configuration and use of the stopping device 140 will be explained later.

[0056] The protective device 130 can generally take the form of a guardrail, such as an optional folding guardrail. In normal operation, i.e., when the elevator system is running normally, the protective device 130 can be placed in its initial non-working position in one or more implementations, that is, horizontally placed on the top 104 of the elevator car 103, while the operating part 153 of the linkage operating device 150 is engaged with the base 151 in the first position P1. When the operating part 153 is adjusted to engage with the base 151 in the second position P2 according to application needs, the protective device 130 can then be adjusted from the previous non-working position to the working position. In the working position, the protective device 130 is vertically fixed in place on the top 104 of the elevator car 103, creating a car top protection area S. This provides effective safety protection for personnel such as maintenance workers performing tasks on the car top, preventing accidents such as accidental falls into the elevator shaft or contact with mechanical equipment that should be avoided. Figure 8 The image only illustrates a folding guardrail structure that can be at least partially folded up and laid flat on the car roof when not in the working position, and can be fully or partially expanded when in the working position. The expanded guardrail can form a substantially or mostly enclosed frame structure, for example, except for personnel entrances and exits, in order to provide a safer and more reliable protective function.

[0057] As used herein, in various embodiments, the operating part 153 may be configured to have a first rod 154 and a second rod 155, which may be made of the same or different materials and may be integrally formed or detachably connected together, for example in Figure 7 The example demonstrates that a threaded hole 154c can be provided on the first member 154, and then the corresponding end 155a of the second member 155 can be screwed into the threaded hole 154c, thereby connecting the first member 154 and the second member 155 together.

[0058] like Figure 5 , Figure 6 and Figure 7 As shown, when assembling the safety linkage device 150, the first rod 154 can be movably passed through the through holes 151c and 151d on the base 151. The through hole 151d is closer to the outside of the elevator car 103 than the through hole 151c. That is, the first end 154a of the first rod 154 corresponds to one side of the through hole 151c, and the second end 154b corresponds to one side of the through hole 151d and can be moved to extend beyond the through hole 151d when needed, so that it can contact the stopping device 140 in the maintenance state. The specific length by which the second end 154b extends beyond the through hole 151d can be set according to actual needs. For example, in one or some implementations, the second end 154b can be made to not extend beyond or slightly extend beyond the through hole 151d when the elevator system is running normally. The portion that slightly extends beyond the through hole 151d will not interfere with the normal operation of the elevator system, that is, it will not contact the stopping device 140.

[0059] The second rod 155 is connected to the first rod 154. For example, when needed, staff can operate the second rod 155 from outside the elevator shaft to change the position of the operating part 153, for example, disengaging it from the first position P1 and moving it into the second position P2, or vice versa. During operation, the second rod 155 can be matched and engaged with the corresponding mating parts 151a or 151b provided on the base 151, thereby achieving operable engagement between the operating part 153 and the base 151. As an example, as used herein, the mating parts 151a and 151b can optionally be constructed in the form of slots. The slots can be provided on the side wall of the base 151 and located between the two through holes 151c and 151d. When operating the second rod 155, it can be selectively placed in the corresponding slot, thereby enabling the operating part 153 to engage with the base 151 at the first position P1 or the second position P2.

[0060] In one or more embodiments, the first rod 154 can be configured to have a stepped shaft structure, for example, the diameter of its first end 154a can be larger than the diameter of its second end 154b, which is beneficial to forming a more stable structure, so that the operating part 153 can withstand impacts when it may come into contact with the stopping device 140. Furthermore, the first rod 154 can be configured such that the diameter of its first end 154a is larger than the diameter of the through hole 151c of the base 151. This is beneficial for limiting the range of movement of the first rod 154 and the second rod 155 relative to the base 151 during use. That is, when the first rod 154 is moved so that the second end 154b extends outward beyond the through hole 151d by a preset distance, the through hole 151c can block the end of the first end 154a at this time, so the first rod 154 will not be able to continue to move and extend outward further. This avoids the possibility that improper operation may cause the second end 154b to extend outward too much. When the elevator car is running at the inspection speed, the excessively long extension may cause unnecessary damage to the elevator shaft, such as the elevator track, the stopping device, and the safety linkage device 150 itself.

[0061] Continue to refer to Figure 3 , Figure 5 and Figure 7 As used herein, in several embodiments, a first plane L1 and / or a second plane L2 may be optionally provided on the second end 154b of the first member 154, so that the first plane L1 facilitates contact with the blocking device 140 arranged in the elevator shaft 117 at a predetermined distance from the top, and the second plane L2 facilitates contact with the blocking device 140 arranged in the elevator shaft 117 at a predetermined distance from the bottom, because this effectively increases the area of ​​force application, and makes the impact force and vibration generated and experienced during contact more uniform and balanced.

[0062] It should be noted that the blocking device 140 can be installed at any suitable location, such as the inner wall 118 of the elevator shaft 117 or the elevator guide rail 109, as needed. Typically, the blocking device 140 can be installed at a certain distance from both the top and bottom of the elevator shaft 117 to limit the upward and downward distances of the elevator car 103 during maintenance, thereby ensuring that the car top and pit have the necessary safety space. However, it should be understood that the specific installation positions of the blocking devices 140 at both the top and bottom can be set and adjusted as needed, and their corresponding distances from the top or bottom can be the same or different, and they themselves can also be the same or different in terms of structural configuration, size, and materials used.

[0063] As used herein, the blocking device 140 may optionally be configured to include a bracket 141 and a contact 142, the latter mounted on the bracket 141 to cooperate with the operating part 153 of the linkage operating device 150 to define a safety space in the car top and / or pit that meets the specific application requirements. For example, in the example discussed above, the contact 142 may contact the portion of the second end 154b of the first rod 154 extending out of the through hole 151d in the second position P2. This portion may be configured to have a plane L1 or plane L2 facing the contact 142 as described above. Alternatively, the contact 142 may be provided with an elastic portion. For example, the contact 142 may be made wholly or partially of an elastic material such as rubber to better absorb energy when in contact with the operating part 153, reducing the impact of vibration, shock, and noise, thereby minimizing the impact on structures such as beams and columns on the elevator car.

[0064] By using the blocking device 140 in conjunction with the linkage operation device 150, not only can the system safety purpose be achieved, but it is also lightweight, easy to install and operate, and has a low overall cost. It is particularly suitable for applications where the space size of the top floor and / or pit is relatively small, such as in home elevator environments such as villas and private clubs.

[0065] As described above, in the linkage operation device 150, the detection unit 152 can generate corresponding signals based on the current working or position status of the linkage operation device 150 and the protective device 130, and provide them to the controller in the elevator system 100. This allows the elevator system to be controlled to enter the corresponding state, and enables the linkage operation of the linkage operation device 150 with the protective device 130, the stop device 140, etc. This can fully protect the personal safety of people on site, prevent equipment damage, and improve the safety performance of the elevator system.

[0066] Based on this disclosure, those skilled in the art will understand and permit the application of any feasible methods to implement the detection unit 152. As used herein, in various embodiments, the detection unit 152 may be configured with a first detection component 152a, a second detection component 152b, and a third detection component (not shown) to correspondingly generate the aforementioned first signal, second signal, and third signal. Alternatively, each of these detection components may use one or more arbitrary suitable components, such as contact switches, non-contact signal triggers (e.g., using infrared light), etc., and this disclosure does not impose any limitations in this regard.

[0067] For example, the first detection component 152a can be selectively arranged on one or more of the base 151, the operating part 153, the protective device 130, and the elevator car 103. For instance, it can be installed on the protective device 130, which is normally placed in the non-working position discussed earlier. The first detection component 152a can be engaged with the mating part 156 mounted on the base 151 so that when the operating part 153 is operated out of the first position P1, the displacement change between the mating part 156 and the first detection component 152a on the protective device 130 will cause the first detection component 152a to generate a first signal. Similarly, the second detection component 152b can be selectively arranged on one or more of the base 151, the operating part 153, and the elevator car 103 so that when the operating part 153 enters the second position P2 and engages with the base 151, the second detection component 152b will generate a second signal. Figure 5 and Figure 6 As shown, the second detection component 152b can optionally be positioned near the opening 151e on the side wall of the base 151. For example, when the first lever 154 of the operating part 153 is configured with a stepped shaft structure, when the first lever 154 is operated into the second position P2, the contact between the surface of the stepped shaft structure and the second detection component 152b can trigger the second detection component 152b to generate a second signal. Alternatively, the third detection component can be selected and positioned at any suitable location on the elevator car 103. When the protective device 130 is always in the working position or is operated to the working position, the third detection component can detect this and generate a third signal accordingly.

[0068] It should be noted that although the safety linkage device 150 and the protective device 130 can be manually operated by staff, such as manually operating the second lever 155 from outside the elevator shaft to change the engagement position, or manually operating the protective device 130 from the optional non-working position to the working position after entering the car top, in some applications, operating power can be provided by a motor, or a device such as a return spring can be configured to complete such operations. For example, a return spring can be configured on the protective device 130 so that when the operating part 153 is disengaged from the first position P1, the spring force can be used to force the protective device 130 from the non-working position to the working position, thus eliminating the need for manual operation by staff and improving operational convenience. In addition, the communication connection between the detection part 152 in the safety linkage device 150 and the controller in the elevator system 100 can be wired, wireless, or a combination thereof to better meet various application requirements.

[0069] The above examples are merely illustrative of the linkage operation device and elevator system for elevator systems according to this disclosure. These examples are only for illustrating the principles and implementation methods of this disclosure and are not intended to limit the scope of this disclosure. Various modifications and improvements can be made by those skilled in the art without departing from the scope of this disclosure. Therefore, all equivalent technical solutions should fall within the scope of this disclosure and be defined by the claims of this disclosure.

Claims

1. A linkage operation device for an elevator system, characterized in that, include: The base, which is placed on the elevator car; The detection unit is located on the elevator car and connected to the controller in the elevator system; as well as An operating unit is configured to be operably engaged with the base at least in a first position or a second position, wherein the operating unit is in the first position when the elevator system is operating normally, and when the operating unit is operated out of the first position, the detection unit generates a first signal and provides it to the controller to control the elevator system to enter a stop state. and When the operating unit is operated to the second position, the detection unit generates a second signal, and the detection unit generates a third signal when it detects that the protective device located on the top of the elevator car is in the working position and defines the car top protective area. The controller controls the elevator system to enter the maintenance state according to the second signal and the third signal. When the elevator car is running in the maintenance state, the operating unit can contact the blocking device located at a preset position in the elevator shaft to prevent the elevator car from moving.

2. The linkage operation device for an elevator system according to claim 1, wherein, The base is arranged on the top of the elevator car and is provided with at least a first mating part and a second mating part. The operating part is in the first position when it is engaged with the first mating part and in the second position when it is engaged with the second mating part.

3. The linkage operation device for an elevator system according to claim 2, wherein, The base is provided with a first through hole and a second through hole, the second through hole being closer to the outer side of the elevator car than the first through hole, and the operating part includes: A first rod having opposing first and second ends, and configured to movably pass through the first through hole and the second through hole; and A second rod is connected to the first rod and operably engages with either the first or second mating part. When the second rod engages with the first mating part, the second end of the first rod does not extend beyond the second through hole, or the portion extending outward beyond the second through hole does not contact the blocking device when the elevator car is in the maintenance state. When the second rod engages with the second mating part, the portion extending outward beyond the second through hole of the second end of the first rod can contact the blocking device when the elevator car is in the maintenance state.

4. The linkage operation device for an elevator system according to claim 3, wherein, The first mating part and the second mating part are located between the first through hole and the second through hole. They are disposed on the side wall of the base and configured as a slot. The second rod engages with the base when it is operated to be placed in the slot.

5. The linkage operation device for an elevator system according to claim 3, wherein, The first rod is configured with a stepped shaft structure, the diameter of the first end is larger than the diameter of the second end, and the end diameter of the first end is larger than the diameter of the first through hole.

6. The linkage operation device for an elevator system according to claim 5, wherein, The stepped shaft structure is configured such that when the operating part is operated to the second position, the surface of the stepped shaft structure triggers the detection part to generate the second signal.

7. The linkage operation device for an elevator system according to claim 3, wherein, The second end of the first rod is configured to have a first plane and / or a second plane, the first plane being configured to contact a first blocking device located at a first preset distance from the top in the elevator shaft, and the second plane being configured to contact a second blocking device located at a second preset distance from the bottom in the elevator shaft.

8. The linkage operation device for an elevator system according to claim 1, wherein, The detection unit includes: A first detection component is disposed on the base and / or the operating part and / or the protective device and / or the elevator car, for generating the first signal; A second detection component, disposed on the base and / or the operating part and / or the elevator car, is used to generate the second signal; and A third detection component, which is disposed on the elevator car and / or the protective device, is used to generate the third signal.

9. The linkage operation device for an elevator system according to claim 8, wherein, The first detection component and / or the second detection component and / or the third detection component include a contact switch.

10. The linkage operation device for an elevator system according to claim 1, wherein, The protective device is configured to be in an initial non-working position when the elevator system is operating normally, and the third signal is generated by the detection unit when the protective device is operated from the non-working position to the working position after the operation unit is operated to the second position.

11. The linkage operation device for an elevator system according to claim 10, wherein, The protective device includes a guardrail that is laid horizontally on top of the elevator car in the non-working position and, after being vertically fixed in place on top of the elevator car in the working position, defines the car top protection area.

12. The linkage operation device for an elevator system according to claim 11, wherein, The guardrail is configured as a folding guardrail, which is at least partially folded when in the non-working position and at least partially expanded open in the working position.

13. The linkage operation device for an elevator system according to claim 1, wherein, The blocking device is disposed on the inner wall of the elevator shaft or on the elevator guide rail within the elevator shaft, and / or the blocking device includes a bracket and a contact element, the contact element being disposed on the bracket and having an elastic portion for contacting the operating part.

14. An elevator system, characterized in that, include: An elevator car, which is configured to travel within an elevator shaft; A protective device is arranged on the top of the elevator car to define the protective area on the car top; A blocking device, which is arranged at a predetermined position in the elevator shaft, is used to prevent the elevator car from moving; as well as The linkage operation device for elevator systems as described in any one of claims 1-13.

15. The elevator system according to claim 14, wherein, The elevator system includes home elevators.

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