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公开(公告)号：US20210053796A1
公开(公告)日：2021-02-25
申请号：US16829194
申请日：2020-03-25
Applicant: Otis Elevator Company
Inventor： Qing Li , Kai Kang , ShengYu Wang , Bai Hebin
Abstract: A guide device and an elevator system are provided by the present application. The guide device is configured to guide a compensation chain of an elevator system and includes: a fixed mechanism, which is configured to install to an elevator hoistway, for example a stationary object such as a hoistway wall, a rail or a pit ground, and provide support for the guide device; and a guide mechanism connected to the fixed mechanism; wherein in a state where the guide mechanism is subjected to an external force exceeding a preset value, the guide mechanism is capable of reciprocating in a vertical direction relative to the fixed mechanism.
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2.发明申请公开(公告)号：US20200055699A1
公开(公告)日：2020-02-20
申请号：US16545346
申请日：2019-08-20
Applicant: Otis Elevator Company
Inventor： Qing Li , Kai Kang , ShengYu Wang , Hebin Bai , Jianjia Li
IPC: B66B5/02
Abstract: An elevator balanced-load rescue device, an elevator, and an elevator balanced-load rescue method are provided by the present disclosure. The elevator balanced-load rescue device includes: a clamping wheel set including a driving wheel and a driven wheel that cooperate with each other; wherein the clamping wheel set has a clamping position and a releasing position; in the clamping position, the driving wheel and the driven wheel move toward each other to clamp a traction belt connected between an elevator car and an elevator counterweight; and in the releasing position, the driving wheel and the driven wheel move opposite to each other to release the traction belt; a transmission shaft which has a first end connected to the driving wheel of the clamping wheel set, and which transmits a torque to the driving wheel; and an energy storage device associated with the transmission shaft.
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公开(公告)号：US20190119070A1
公开(公告)日：2019-04-25
申请号：US16164505
申请日：2018-10-18
Applicant: Otis Elevator Company
Abstract: The present invention provides a pull rope head fixing apparatus and an elevator system using the same, and belongs to the technical field of elevators. The pull rope head fixing apparatus of the present invention is configured to simultaneously fix rope heads of N pull ropes that are arranged in parallel, and includes: a hydraulic cylinder body configured to form a hydraulic cylinder; N first hydraulic sub-cylinders arranged in parallel on the hydraulic cylinder body and communicated with the hydraulic cylinder; and first pistons each disposed corresponding to each of the first hydraulic sub-cylinders. The pull rope head fixing apparatus of the present invention can automatically balance the tensions of multiple pull ropes fixed by it.
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Patent Agency Ranking
4.发明授权公开(公告)号：US11492232B2
公开(公告)日：2022-11-08
申请号：US16545346
申请日：2019-08-20
Applicant: Otis Elevator Company
Inventor： Qing Li , Kai Kang , ShengYu Wang , Hebin Bai , Jianjia Li
IPC: B66B5/02
Abstract: An elevator balanced-load rescue device, an elevator, and an elevator balanced-load rescue method are provided by the present disclosure. The elevator balanced-load rescue device includes: a clamping wheel set including a driving wheel and a driven wheel that cooperate with each other; wherein the clamping wheel set has a clamping position and a releasing position; in the clamping position, the driving wheel and the driven wheel move toward each other to clamp a traction belt connected between an elevator car and an elevator counterweight; and in the releasing position, the driving wheel and the driven wheel move opposite to each other to release the traction belt; a transmission shaft which has a first end connected to the driving wheel of the clamping wheel set, and which transmits a torque to the driving wheel; and an energy storage device associated with the transmission shaft.
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公开(公告)号：US20180194595A1
公开(公告)日：2018-07-12
申请号：US15866847
申请日：2018-01-10
Applicant: Otis Elevator Company
Inventor： Qing Li , Kai Kang , ShengYu Wang , Xiaokai Gong , XiaoBin Tang , ZhengZong Tang , Wenbo Liu
CPC classification number: B66B11/0293 , B66B1/32 , B66B5/18 , B66B7/042
Abstract: The present invention provides a damper of an elevator car, a control method of the damper, and an elevator system, belonging to the technical field of elevators. The damper of the present invention includes a base, a clamping mechanism mainly including two clamp arm components, a solenoid drive part, and a link transmission component, wherein the link transmission component is configured to be movable in a direction approximately perpendicular to a guide surface and drive at least one of the two clamp arm components connected thereto to move towards a guide rail. The control method of the present invention can enable the damper to work in a disengaged state, a slight contact state or a damping output state.
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公开(公告)号：US11358833B2
公开(公告)日：2022-06-14
申请号：US16829194
申请日：2020-03-25
Applicant: Otis Elevator Company
Inventor： Qing Li , Kai Kang , ShengYu Wang , Bai Hebin
Abstract: A guide device and an elevator system are provided by the present application. The guide device is configured to guide a compensation chain of an elevator system and includes: a fixed mechanism, which is configured to install to an elevator hoistway, for example a stationary object such as a hoistway wall, a rail or a pit ground, and provide support for the guide device; and a guide mechanism connected to the fixed mechanism; wherein in a state where the guide mechanism is subjected to an external force exceeding a preset value, the guide mechanism is capable of reciprocating in a vertical direction relative to the fixed mechanism.
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公开(公告)号：US11142431B2
公开(公告)日：2021-10-12
申请号：US15866847
申请日：2018-01-10
Applicant: Otis Elevator Company
Inventor： Qing Li , Kai Kang , ShengYu Wang , Xiaokai Gong , XiaoBin Tang , ZhengZong Tang , Wenbo Liu
Abstract: The present invention provides a damper of an elevator car, a control method of the damper, and an elevator system, belonging to the technical field of elevators. The damper of the present invention includes a base, a clamping mechanism mainly including two clamp arm components, a solenoid drive part, and a link transmission component, wherein the link transmission component is configured to be movable in a direction approximately perpendicular to a guide surface and drive at least one of the two clamp arm components connected thereto to move towards a guide rail. The control method of the present invention can enable the damper to work in a disengaged state, a slight contact state or a damping output state.
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公开(公告)号：US11124387B2
公开(公告)日：2021-09-21
申请号：US16164505
申请日：2018-10-18
Applicant: Otis Elevator Company
Abstract: The present invention provides a pull rope head fixing apparatus and an elevator system using the same, and belongs to the technical field of elevators. The pull rope head fixing apparatus of the present invention is configured to simultaneously fix rope heads of N pull ropes that are arranged in parallel, and includes: a hydraulic cylinder body configured to form a hydraulic cylinder; N first hydraulic sub-cylinders arranged in parallel on the hydraulic cylinder body and communicated with the hydraulic cylinder; and first pistons each disposed corresponding to each of the first hydraulic sub-cylinders. The pull rope head fixing apparatus of the present invention can automatically balance the tensions of multiple pull ropes fixed by it.
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