CN108313849B - Emergency safety electromechanical system of elevator - Google Patents
Emergency safety electromechanical system of elevator Download PDFInfo
- Publication number
- CN108313849B CN108313849B CN201810356696.XA CN201810356696A CN108313849B CN 108313849 B CN108313849 B CN 108313849B CN 201810356696 A CN201810356696 A CN 201810356696A CN 108313849 B CN108313849 B CN 108313849B
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- CN
- China
- Prior art keywords
- slip guide
- guide rail
- rotating shaft
- emergency driving
- telescopic pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/021—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/26—Positively-acting devices, e.g. latches, knives
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
An emergency safety electromechanical system of an elevator comprises a lift car, a traction motor, a brake, counterweight blocks and anti-slip guide rails, wherein the counterweight blocks are in sliding connection with the anti-slip guide rails, the cross sections of the two anti-slip guide rails are rectangular, each counterweight block consists of two buckling blocks and a middle block, the anti-slip guide rails are of hollow structures, a rotating shaft is arranged in the middle of each hollow structure and can be driven by an emergency driving motor arranged at the upper end of each anti-slip guide rail, and telescopic pins are arranged on each anti-slip guide rail at intervals; judging that braking is invalid, sending a working instruction to an emergency driving motor by the emergency driving controller in combination with information of a displacement sensor and a speed sensor, and driving a rotating shaft to rotate by 90 degrees by the emergency driving motor, so that a telescopic pin is sprung out of the outer wall of the anti-slip guide rail, and the side part of the rotating shaft is clamped in the groove, thereby stopping the movement of the weight due to the blocking of the telescopic pin on the outer wall of the anti-slip guide rail; the system has the characteristics of simple structure, convenient control, good stability and convenient safety evacuation of passengers.
Description
Technical Field
The invention relates to the field of elevators, in particular to an emergency safety electromechanical system of an elevator.
Background
The elevator is the most widely used vertical transportation means, and the situation that the elevator is out of control and falls down is frequently happened, so that mental panic is easily caused to passengers, and serious accidents such as personal injury and equipment damage can be caused. The existing elevators usually deal with emergency through protection measures such as a brake, a speed limiter and calipers, the equipment structures or control modes are complex, the cost is high, passengers are easy to be trapped in the elevators after faults occur, rescue is waited, and the passengers are very passive.
Disclosure of Invention
In order to solve the technical problems, the invention provides an emergency safety electromechanical system of an elevator, which has the characteristics of simple structure, convenient control, good stability and convenient safety evacuation of passengers.
An emergency safety electromechanical system of an elevator comprises a lift car, a traction motor, a brake, counterweight blocks and an anti-slip guide rail, wherein the counterweight blocks are connected with the anti-slip guide rail in a sliding manner, the cross sections of the two anti-slip guide rails are rectangular, each counterweight block consists of two buckling blocks and a middle block, and the two buckling blocks are respectively connected with two side parts of the middle block through bolts, so that the counterweight blocks are sleeved on the anti-slip guide rail; the anti-slip guide rail is of a hollow structure, a rotating shaft is arranged in the middle of the hollow structure, and can be driven by an emergency driving motor arranged at the upper end of the anti-slip guide rail, so that rotation is realized, and telescopic pins are arranged on the anti-slip guide rail at intervals;
the telescopic pin is T-shaped, a disc spring is arranged between the telescopic pin and the inner wall of the anti-slip guide rail, and a groove is formed in the middle of the contact end surface of the telescopic pin and the rotating shaft; the cross section of the rotating shaft is elliptical, the upper end of the rotating shaft is sleeved with a gear, the gear is connected with a gear at the output end of an emergency driving motor, the emergency driving motor comprises an emergency driving controller, and the traction motor comprises a traction controller;
when the elevator normally operates, the telescopic pin is arranged in the anti-slip guide rail and does not protrude out of the anti-slip guide rail;
the detecting unit comprises a displacement sensor and a speed sensor, wherein the displacement sensor is used for detecting the positions of the lift car and the counterweight, and the speed sensor is used for detecting the current speed of the lift car; the traction controller and the emergency driving controller are respectively connected with the detection unit, and data information of the displacement sensor and the speed sensor is received through the CAN bus;
the fault monitoring unit is connected with the traction motor and the brake, monitors the conditions of a bearing and a stator of the traction motor through a bearing temperature sensor and a Hall current sensor respectively, processes monitoring information of the bearing temperature sensor and the Hall current sensor through a signal conditioning circuit, compares the monitoring information with a safety rated value, and starts an alarm signal and sends a band-type brake braking command to the brake when the temperature or the current value is higher than the safety rated value;
when the car movement speed exceeds 20% of the rated speed value, sending an internal contracting brake braking command to a brake; if the speed of the lift car is not reduced after the band-type brake braking command is sent, judging that braking is invalid, sending a working command to an emergency driving motor by combining information of a displacement sensor and a speed sensor, and enabling the emergency driving motor to drive a rotating shaft to rotate by 90 degrees, so that a telescopic pin is sprung out of the outer wall of the anti-slip guide rail, and the side part of the rotating shaft is clamped in the groove, thereby stopping movement of the heavy block due to blocking of the telescopic pin on the outer wall of the anti-slip guide rail.
Further, the positions of the telescopic pins on the anti-slip guide rail are set as follows: so that the counterweight is blocked by the telescopic pin
When the elevator car is positioned at the landing door; when the car stops, the car door switch and the landing door switch are automatically opened, so that passengers can safely evacuate.
The edges of the two sides of the groove are arc-shaped; the emergency driving controller is provided with a reset key, when the traction motor or the brake is removed from the fault, the reset key is pressed, the emergency driving motor drives the rotating shaft to reversely rotate by 90 degrees, and the rotating shaft and the telescopic pin are reset to the initial positions.
Further, the emergency driving controller needs to judge the position of the counterweight block according to the displacement sensor, and the emergency driving motor drives the rotating shaft to rotate 90 degrees only when the position of the counterweight block is not coincident with the position of the telescopic pin, so that the counterweight block is prevented from being ejected out of the telescopic pin.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
(1) Be provided with antiskid guide rail, pivot, telescopic pin, constitute and block the part, under emergency, through spacing to the counterweight to make the car stop by force, because it is small to the pouring weight, it is more convenient to spacing, and the baffle part of constitution is small, simple structure, stable.
(2) The device is provided with a detection unit and a fault monitoring unit, only collects information of the displacement sensor and the speed sensor, and is convenient to control.
(3) The positions of the telescopic pins on the anti-slip guide rail are set as follows: so that the counterweight is blocked by the telescopic pin
When the elevator fails, passengers can conveniently evacuate from the elevator.
(4) The middle part of the contact end surface of the telescopic pin and the rotating shaft is provided with a groove, the cross section of the rotating shaft is elliptical, and the edges of the two sides of the groove are arc-shaped, so that the telescopic pin is convenient to fix and the rotating shaft returns.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic view of the structure of the anti-roll guide rail and counterweight block of the invention;
FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;
fig. 4 is a cross-sectional view of the telescopic pin of the present invention when installed.
1. The anti-slip guide rail 2, a counterweight block 21, a middle block 22, a buckling block 3, a rotating shaft 4, a telescopic pin 5 and a belleville spring.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described with reference to the accompanying drawings and examples
The present invention will be described in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
An emergency safety electromechanical system of an elevator comprises a lift car, a traction motor, a brake, counterweight blocks 2 and anti-slip guide rails 1, wherein the counterweight blocks 2 are in sliding connection with the anti-slip guide rails 1, the cross sections of the two anti-slip guide rails 1 are rectangular, the counterweight blocks 2 consist of two buckling blocks 22 and a middle block 21, and the two buckling blocks 22 are respectively connected with two side parts of the middle block 21 through bolts, so that the counterweight blocks 2 are sleeved on the anti-slip guide rails 1; the anti-slip guide rail 1 is of a hollow structure, a rotating shaft 3 is arranged in the middle of the hollow structure, the rotating shaft 3 can be driven by an emergency driving motor arranged at the upper end of the anti-slip guide rail 1, so that rotation is realized, and telescopic pins 4 are arranged on the anti-slip guide rail 1 at intervals;
the telescopic pin is T-shaped, a disc spring 5 is arranged between the telescopic pin and the inner wall of the anti-slip guide rail, and a groove is formed in the middle of the contact end surface of the telescopic pin 4 and the rotating shaft 3; the cross section of the rotating shaft 3 is elliptical, the upper end of the rotating shaft 3 is sleeved with a gear, the gear is connected with a gear at the output end of an emergency driving motor, the emergency driving motor comprises an emergency driving controller, and the traction motor comprises a traction controller;
when the elevator normally operates, the telescopic pin is arranged in the anti-slip guide rail and does not protrude out of the anti-slip guide rail;
the detecting unit comprises a displacement sensor and a speed sensor, wherein the displacement sensor is used for detecting the positions of the lift car and the counterweight, and the speed sensor is used for detecting the current speed of the lift car; the traction controller and the emergency driving controller are respectively connected with the detection unit, and data information of the displacement sensor and the speed sensor is received through the CAN bus;
the fault monitoring unit is connected with the traction motor and the brake, monitors the conditions of a bearing and a stator of the traction motor through a bearing temperature sensor and a Hall current sensor respectively, processes monitoring information of the bearing temperature sensor and the Hall current sensor through a signal conditioning circuit, compares the monitoring information with a safety rated value, and starts an alarm signal and sends a band-type brake braking command to the brake when the temperature or the current value is higher than the safety rated value;
when the car movement speed exceeds 20% of the rated speed value, sending an internal contracting brake braking command to a brake; if the speed of the lift car is not reduced after the band-type brake braking command is sent, judging that braking is invalid, sending a working command to an emergency driving motor by combining information of a displacement sensor and a speed sensor, and enabling the emergency driving motor to drive a rotating shaft to rotate by 90 degrees, so that a telescopic pin is sprung out of the outer wall of the anti-slip guide rail, and the side part of the rotating shaft is clamped in the groove, thereby stopping movement of the heavy block due to blocking of the telescopic pin on the outer wall of the anti-slip guide rail.
Further, the positions of the telescopic pins on the anti-slip guide rail are set as follows: so that the lift car is positioned at the landing door when the counterweight is blocked by the telescopic pin; when the car stops, the car door switch and the landing door switch are automatically opened, so that passengers can safely evacuate.
The edges of the two sides of the groove are arc-shaped; the emergency driving controller is provided with a reset key, when the traction motor or the brake is removed from the fault, the reset key is pressed, the emergency driving motor drives the rotating shaft to reversely rotate by 90 degrees, and the rotating shaft and the telescopic pin are reset to the initial positions.
Further, the emergency driving controller needs to judge the position of the counterweight block according to the displacement sensor, and the emergency driving motor drives the rotating shaft to rotate 90 degrees only when the position of the counterweight block is not coincident with the position of the telescopic pin, so that the counterweight block is prevented from being ejected out of the telescopic pin.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but rather, the present invention is described in more detail with reference to the foregoing embodiments, and it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. An emergency safety electromechanical system for an elevator, characterized by: the elevator comprises a lift car, a traction motor, a brake, counterweight blocks and anti-slip guide rails, wherein the counterweight blocks are connected with the anti-slip guide rails in a sliding manner, the cross sections of the two anti-slip guide rails are rectangular, each counterweight block consists of two buckling blocks and a middle block, and the two buckling blocks are respectively connected with two side parts of the middle block through bolts, so that the counterweight blocks are sleeved on the anti-slip guide rails; the anti-slip guide rail is of a hollow structure, a rotating shaft is arranged in the middle of the hollow structure, and can be driven by an emergency driving motor arranged at the upper end of the anti-slip guide rail, so that rotation is realized, and telescopic pins are arranged on the anti-slip guide rail at intervals;
the telescopic pin is T-shaped, a disc spring is arranged between the telescopic pin and the inner wall of the anti-slip guide rail, and a groove is formed in the middle of the contact end surface of the telescopic pin and the rotating shaft; the cross section of the rotating shaft is elliptical, the upper end of the rotating shaft is sleeved with a gear, the gear is connected with a gear at the output end of an emergency driving motor, the emergency driving motor comprises an emergency driving controller, and the traction motor comprises a traction controller;
when the elevator normally operates, the telescopic pin is arranged in the anti-slip guide rail and does not protrude out of the anti-slip guide rail;
the detecting unit comprises a displacement sensor and a speed sensor, wherein the displacement sensor is used for detecting the positions of the lift car and the counterweight, and the speed sensor is used for detecting the current speed of the lift car; the traction controller and the emergency driving controller are respectively connected with the detection unit, and data information of the displacement sensor and the speed sensor is received through the CAN bus;
the fault monitoring unit is connected with the traction motor and the brake, monitors the conditions of a bearing and a stator of the traction motor through a bearing temperature sensor and a Hall current sensor respectively, processes monitoring information of the bearing temperature sensor and the Hall current sensor through a signal conditioning circuit, compares the monitoring information with a safety rated value, and starts an alarm signal and sends a band-type brake braking command to the brake when the temperature or the current value is higher than the safety rated value;
when the car movement speed exceeds 20% of the rated speed value, sending an internal contracting brake braking command to a brake; if the speed of the lift car is not reduced after the band-type brake braking command is sent, judging that braking is invalid, sending a working command to an emergency driving motor by combining information of a displacement sensor and a speed sensor, and enabling the emergency driving motor to drive a rotating shaft to rotate by 90 degrees, so that a telescopic pin is sprung out of the outer wall of the anti-slip guide rail, and the side part of the rotating shaft is clamped in the groove, thereby stopping movement of a heavy block due to the blocking of the telescopic pin on the outer wall of the anti-slip guide rail;
the edges of the two sides of the groove are arc-shaped; the emergency driving controller is provided with a reset key, when the traction motor or the brake is out of order, the reset key is pressed, the emergency driving motor drives the rotating shaft to reversely rotate for 90 degrees, and the rotating shaft and the telescopic pin are reset to the initial positions;
the telescopic pin is arranged at the position on the anti-slip guide rail, so that the lift car is positioned at the landing door when the counterweight block is blocked by the telescopic pin; when the car stops, the car door switch and the landing door switch are automatically opened, so that passengers can safely evacuate.
2. An emergency safety electromechanical system for an elevator according to claim 1, characterized in that: the emergency driving controller needs to judge the position of the counterweight block according to the displacement sensor, and the emergency driving motor drives the rotating shaft to rotate 90 degrees only when the position of the counterweight block is not coincident with the position of the telescopic pin, so that the counterweight block is prevented from being ejected out of the telescopic pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810356696.XA CN108313849B (en) | 2018-04-20 | 2018-04-20 | Emergency safety electromechanical system of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810356696.XA CN108313849B (en) | 2018-04-20 | 2018-04-20 | Emergency safety electromechanical system of elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108313849A CN108313849A (en) | 2018-07-24 |
| CN108313849B true CN108313849B (en) | 2023-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810356696.XA Active CN108313849B (en) | 2018-04-20 | 2018-04-20 | Emergency safety electromechanical system of elevator |
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| CN (1) | CN108313849B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109132762B (en) * | 2018-10-12 | 2024-01-09 | 广州广日电梯工业有限公司 | Intelligent emergency rescue device and rescue method for elevator without machine room |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009046246A (en) * | 2007-08-20 | 2009-03-05 | Hitachi Ltd | Elevator device |
| CN204057552U (en) * | 2014-09-10 | 2014-12-31 | 广东不止实业投资有限公司 | Elevator anti-running control setup |
| CN205367377U (en) * | 2016-03-07 | 2016-07-06 | 范效礼 | Two -way elevator safety tongs |
| CN106044454A (en) * | 2016-07-28 | 2016-10-26 | 常州信息职业技术学院 | Elevator car system and elevator car falling automatic detecting and braking device thereof |
| CN106115432A (en) * | 2016-08-31 | 2016-11-16 | 江苏创力电梯部件有限公司 | A kind of emergency staircase of compact conformation |
| CN206359080U (en) * | 2017-01-05 | 2017-07-28 | 麦斯提热古·吐逊 | A kind of anti-slip dynamic device of car |
| CN206969969U (en) * | 2017-07-20 | 2018-02-06 | 默纳克电梯有限公司 | The safe counter weight device of elevator |
-
2018
- 2018-04-20 CN CN201810356696.XA patent/CN108313849B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009046246A (en) * | 2007-08-20 | 2009-03-05 | Hitachi Ltd | Elevator device |
| CN204057552U (en) * | 2014-09-10 | 2014-12-31 | 广东不止实业投资有限公司 | Elevator anti-running control setup |
| CN205367377U (en) * | 2016-03-07 | 2016-07-06 | 范效礼 | Two -way elevator safety tongs |
| CN106044454A (en) * | 2016-07-28 | 2016-10-26 | 常州信息职业技术学院 | Elevator car system and elevator car falling automatic detecting and braking device thereof |
| CN106115432A (en) * | 2016-08-31 | 2016-11-16 | 江苏创力电梯部件有限公司 | A kind of emergency staircase of compact conformation |
| CN206359080U (en) * | 2017-01-05 | 2017-07-28 | 麦斯提热古·吐逊 | A kind of anti-slip dynamic device of car |
| CN206969969U (en) * | 2017-07-20 | 2018-02-06 | 默纳克电梯有限公司 | The safe counter weight device of elevator |
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| Publication number | Publication date |
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| CN108313849A (en) | 2018-07-24 |
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