CN108750859B - Lifting type elevator falling prevention device - Google Patents
Lifting type elevator falling prevention device Download PDFInfo
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- CN108750859B CN108750859B CN201810603362.8A CN201810603362A CN108750859B CN 108750859 B CN108750859 B CN 108750859B CN 201810603362 A CN201810603362 A CN 201810603362A CN 108750859 B CN108750859 B CN 108750859B
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- Prior art keywords
- inclined block
- block
- damping spring
- bottom plate
- subassembly
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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
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/026—Attenuation system for shocks, vibrations, imbalance, e.g. passengers on the same side
- B66B11/0266—Passive systems
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides
- B66B7/1207—Checking means
- B66B7/1215—Checking means specially adapted for ropes or cables
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model provides an over-and-under type elevator anti-falling device, belongs to the architectural equipment field, blocks subassembly, first bracing piece, car bottom subassembly, elevator car, acceleration sensor, force sensor, second bracing piece, wire rope, third bracing piece, fourth bracing piece and right side by the left side and blocks that the subassembly constitutes, its characterized in that: first bracing piece, second bracing piece, third bracing piece and fourth bracing piece pass through bolt-up in the corner department of elevartor shaft, the left side blocks the unit mount on first bracing piece and second bracing piece, the right side blocks the unit mount on third bracing piece and fourth bracing piece, all install the left side in the elevartor shaft that every floor corresponds moreover and block the subassembly and the right side blocks the subassembly, car bottom subassembly is installed in elevator car's bottom, force sensor and acceleration sensor install the top at elevator car. The invention has the advantages that: can prevent the elevator in real time and fall, avoid secondary damage, reduce the emergence of elevator accident.
Description
The invention relates to a divisional application of a patent with the application number of 2016107003372 and the application date of 2016, 08 and 21, and the patent is named as a lifting type elevator anti-falling device.
Technical Field
The invention relates to a lifting type elevator anti-falling device, in particular to equipment consisting of a tension sensor, an acceleration sensor, four support rods, a left side blocking assembly, a right side blocking assembly and a car bottom assembly, and belongs to the field of building equipment.
Background
Elevators are important components of buildings, and in recent years, frequent accidents of elevators, particularly accidents of lift type passenger elevators, have great negative effects on families and society due to the complexity of elevator equipment and the particularity of operating environments. The method mainly adopted for preventing the elevator accidents at present is to regularly maintain the elevator, consumes a large amount of manpower, material resources and financial resources, cannot achieve the aim of preventing the elevator from falling in real time, reduces the occurrence of the elevator accidents in order to prevent the elevator from falling in real time, effectively ensures the safety of passengers, avoids the occurrence of secondary injury, and urgently needs a lifting type elevator falling prevention device.
Disclosure of Invention
Aiming at the defects, the invention provides a lifting type elevator anti-falling device.
1. The invention is realized by the following technical scheme: the utility model provides an over-and-under type elevator anti-falling device blocks the subassembly, first bracing piece, car bottom subassembly, elevator car, acceleration sensor, force sensor, second bracing piece, wire rope, third bracing piece, fourth bracing piece and right side by the left side and blocks its characterized in that the subassembly constitutes: the elevator comprises a first supporting rod, a second supporting rod, a third supporting rod and a fourth supporting rod, wherein the first supporting rod, the second supporting rod, the third supporting rod and the fourth supporting rod are fastened at the corners of an elevator shaft through bolts;
the right side blocking component and the left side blocking component are the same device and are arranged at different positions, the left side blocking component consists of a bottom plate, a first damping spring, a first square guide rod, a second damping spring, a first inclined block, a first pressure sensor, an inclined block connecting rod, a first air cylinder, a third damping spring, a second square guide rod, a fourth damping spring, a second inclined block and a second pressure sensor, the first damping spring and the second damping spring are arranged on one side of the bottom plate, the first inclined block is arranged on the first damping spring and the second damping spring, the first square guide rod is connected to the bottom plate and the first inclined block, the third damping spring and the fourth damping spring are arranged on the other side of the bottom plate, the second inclined block is arranged on the third damping spring and the fourth damping spring, the second square guide rod is connected to the bottom plate and the second inclined block, and the first square guide rod and the second square guide rod can penetrate through the bottom plate, the first inclined block and the second inclined block are connected together through an inclined block connecting rod, the first air cylinder is installed on the bottom plate, the inclined angles of the inclined surfaces of the first inclined block and the second inclined block are the same, and the included angles between the inclined surfaces of the first inclined block and the ground are smaller than arctaph, wherein h is the friction coefficient of the inclined surfaces;
the car bottom assembly is composed of a first bottom inclined block, a load bearing plate, a left protection spring, a spring bottom plate, a right protection spring and a second bottom inclined block, wherein the first bottom inclined block and the second bottom inclined block are respectively installed on two sides of the load bearing plate and the spring bottom plate, the left protection spring and the right protection spring are installed between the load bearing plate and the spring bottom plate, the inclined angles of the inclined planes of the first bottom inclined block and the second bottom inclined block are the same, the first bottom inclined block is parallel to the inclined plane of the first inclined block and the inclined plane of the second inclined block in the left blocking assembly, and the second bottom inclined block is parallel to the inclined plane of the first inclined block and the second inclined block in the right blocking assembly.
The invention has the advantages that: whether use force transducer and acceleration sensor can detect elevator car and fall to the left side of installation blocks the subassembly and the right side blocks the subassembly and stretches out in the control elevartor shaft, and then prevents that the elevator from falling, can real-time reply elevator accident, reduces the emergence of elevator accident. Pressure sensors in the left blocking assembly and the right blocking assembly can detect whether the assemblies extend out or not to trigger the side face of the elevator car, and once the pressure values are detected to appear, the control system controls the left blocking assembly and the right blocking assembly to retract so as to prevent the elevator car from being damaged and cause secondary damage; the inclined planes of the first inclined block and the second inclined block in the left side blocking assembly and the right side blocking assembly respectively form included angles with the ground less than arctan h, so that the inclined planes of the inclined angles have a self-locking function, the phenomenon that the falling elevator sideslips when being caught by the left side blocking assembly and the right side blocking assembly can be effectively prevented, and secondary damage in accidents is prevented; the arrangement of the first bottom sloping block and the second bottom sloping block in the elevator car bottom assembly and the inclined planes of the first sloping block and the second sloping block in the blocking assembly can effectively increase the contact area, reduce the pressure intensity and play a role in protecting an elevator car and passengers; the first square guide rod and the second square guide rod in the left side blocking assembly and the right side blocking assembly can prevent the inclined block from sideslipping when being impacted, and the inclined block connecting rod can effectively prevent the first inclined block and the second inclined block from inclining due to uneven stress, so that secondary damage can be prevented when the elevator falls; the damping springs in the left side blocking assembly and the right side blocking assembly can play a damping role, the elevator has certain energy when falling, and when the left side blocking assembly and the right side blocking assembly block the elevator from falling, the damping springs can absorb the energy to protect the safety of passengers; the left side protection spring and the right side protection spring in the car bottom assembly have the same energy absorption operation and also play a role in protecting the safety of passengers.
Drawings
FIG. 1 is a schematic structural diagram of the present invention; in the figure, 1, a left side blocking component, 2, a first supporting rod, 3, a car bottom component, 4, an elevator car, 5, an acceleration sensor, 6, a tension sensor, 7, a second supporting rod, 8, a steel wire rope, 9, a third supporting rod, 10, a fourth supporting rod, 11 and a right side blocking component are arranged;
FIG. 2 is a structural diagram of a left-side blocking assembly of FIG. 1, in which 12, a bottom plate, 13, a first damping spring, 14, a first square guide rod, 15, a second damping spring, 16, a first inclined block, 17, a first pressure sensor, 18, an inclined block connecting rod, 19, a first cylinder, 110, a third damping spring, 111, a second square guide rod, 112, a fourth damping spring, 113, a second inclined block, 114, and a second pressure sensor;
FIG. 3 is a schematic view of the car bottom assembly showing 31, a first bottom ramp, 32, a load plate, 34, a spring floor, 36, and a second bottom ramp;
fig. 4 is another view of the car bottom assembly showing 31, the first bottom ramp, 32, the load plate, 33, the left protection spring, 34, the spring bottom plate, 35, the right protection spring, 36, and the second bottom ramp.
Detailed Description
The invention is realized by the following technical scheme: the utility model provides a lifting type elevator anti-falling device, blocks subassembly 1, first bracing piece 2, car bottom subassembly 3, elevator car 4, acceleration sensor 5, force sensor 6, second bracing piece 7, wire rope 8, third bracing piece 9, fourth bracing piece 10 and right side by the left side and blocks that subassembly 11 constitutes, its characterized in that: the elevator comprises a first supporting rod 2, a second supporting rod 7, a third supporting rod 9 and a fourth supporting rod 10, wherein the first supporting rod 2, the second supporting rod 7, the third supporting rod 9 and the fourth supporting rod 10 are fastened at the wall corners of an elevator shaft through bolts, a left blocking component 1 is installed on the first supporting rod 2 and the second supporting rod 7, a right blocking component 11 is installed on the third supporting rod 9 and the fourth supporting rod 10, a left blocking component 1 and a right blocking component 11 are installed in the elevator shaft corresponding to each floor, a car bottom component 3 is installed at the bottom of an elevator car 4, a tension sensor 5 is installed at the joint of a steel wire rope 8 and the elevator car 4, and an acceleration sensor 6 is installed;
the right side blocking component 11 and the left side blocking component 1 are the same device and are installed at different positions, the left side blocking component 1 is composed of a bottom plate 12, a first damping spring 13, a first square guide rod 14, a second damping spring 15, a first inclined block 16, a first pressure sensor 17, an inclined block connecting rod 18, a first air cylinder 19, a third damping spring 110, a second square guide rod 111, a fourth damping spring 112, a second inclined block 113 and a second pressure sensor 114, the first damping spring 13 and the second damping spring 15 are installed on one side of the bottom plate 12, the first inclined block 16 is installed on the first damping spring 13 and the second damping spring 15, the first square guide rod 14 is connected on the bottom plate 12 and the first inclined block 16, the third damping spring 110 and the fourth damping spring 112 are installed on the other side of the bottom plate 12, the second inclined block 113 is installed on the third damping spring 110 and the fourth damping spring 112, the second square guide rod 111 is connected to the bottom plate 12 and the second inclined block 113, the first square guide rod 14 and the second square guide rod 111 can penetrate through the bottom plate 12, the first inclined block 16 and the second inclined block 113 are connected together through an inclined block connecting rod 18, the first air cylinder 19 is installed on the bottom plate 12, the inclined planes of the first inclined block 16 and the second inclined block 113 have the same inclination angle, and the included angles with the ground are respectively smaller than arctaph, wherein h is the friction coefficient of the inclined planes;
the car bottom assembly 3 is composed of a first bottom inclined block 31, a load plate 32, a left side protection spring 33, a spring bottom plate 34, a right side protection spring 35 and a second bottom inclined block 36, wherein the first bottom inclined block 31 and the second bottom inclined block 36 are respectively installed at two sides of the load plate 32 and the spring bottom plate 34, the left side protection spring 33 and the right side protection spring 35 are installed between the load plate 32 and the spring bottom plate 34, the inclined angles of the inclined planes of the first bottom inclined block 31 and the second bottom inclined block 36 are the same, the first bottom inclined block 31 is parallel to the inclined planes of the first inclined block 16 and the second inclined block 113 in the left side blocking assembly 1, and the second bottom inclined block 36 is parallel to the inclined planes of the first inclined block 16 and the second inclined block 113 in the right side blocking assembly 11.
When the device works, the tension sensor 6 detects the tension of the steel wire rope 8, the acceleration sensor 7 detects the acceleration of the elevator car 4, once the tension detected by the tension sensor 6 is smaller than a set value or the acceleration detected by the acceleration sensor 7 is larger than the set value, an elevator control system can be triggered, the left side blocking assembly 1 and the right side blocking assembly 11 of each floor are controlled to extend out, further, the elevator car 4 is prevented from falling in real time, when the left side blocking assembly 1 and the right side blocking assembly 11 detect that pressure values are larger than the set value through the first pressure sensor 17 and the second pressure sensor 114, the left side blocking assembly 1 and the right side blocking assembly 11 of the layer corresponding to the sensors can retract automatically, the elevator is prevented from damaging the elevator car 4, and secondary injury is avoided.
It will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in the embodiments described above without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims.
Claims (6)
1. The utility model provides a lifting type elevator anti-falling device which characterized in that: the elevator comprises a left side blocking assembly, a first supporting rod, a car bottom assembly, an elevator car, an acceleration sensor, a tension sensor, a second supporting rod, a steel wire rope, a third supporting rod, a fourth supporting rod and a right side blocking assembly, wherein the first supporting rod, the second supporting rod, the third supporting rod and the fourth supporting rod are fastened at the corner of an elevator shaft; the right side blocking assembly and the left side blocking assembly respectively comprise a bottom plate, a first damping spring, a first square guide rod, a first inclined block, a first pressure sensor, a first air cylinder, a third damping spring, a second square guide rod, a second inclined block and a second pressure sensor, the first damping spring is installed on one side of the bottom plate, the first inclined block is installed on the first damping spring, the first square guide rod is connected to the bottom plate and the first inclined block, the third damping spring is installed on the other side of the bottom plate, the second inclined block is installed on the third damping spring, the second square guide rod is connected to the bottom plate and the second inclined block, the first square guide rod and the second square guide rod penetrate through the bottom plate, the first inclined block and the second inclined block are connected together, and the first air cylinder is installed on the bottom plate; the car bottom assembly is composed of a first bottom inclined block, a load bearing plate, a left protection spring, a spring bottom plate, a right protection spring and a second bottom inclined block, wherein the first bottom inclined block and the second bottom inclined block are respectively installed on two sides of the load bearing plate and the spring bottom plate, the left protection spring and the right protection spring are installed between the load bearing plate and the spring bottom plate, the inclined angles of the inclined planes of the first bottom inclined block and the second bottom inclined block are the same, the first bottom inclined block is parallel to the inclined plane of the first inclined block and the inclined plane of the second inclined block in the left blocking assembly, and the second bottom inclined block is parallel to the inclined plane of the first inclined block and the second inclined block in the right blocking assembly.
2. The fall arrest device for elevators according to claim 1, wherein: the first support rod, the second support rod, the third support rod and the fourth support rod are fastened at the corner of the elevator shaft through bolts.
3. The fall arrest device for elevators according to claim 1, wherein: the inclination angles of the inclined surfaces of the first inclined block and the second inclined block are the same, and the included angles between the first inclined block and the ground are smaller than arctanh respectively, wherein h is the friction coefficient of the inclined surfaces.
4. The fall arrest device for elevators according to claim 1, wherein: the right side blocks the subassembly with the left side blocks the subassembly and still includes the sloping block connecting rod, first sloping block and second sloping block link together through the sloping block connecting rod.
5. The fall arrest device for elevators according to claim 1, wherein: the right side blocks the subassembly with the left side blocks the subassembly and still includes second damping spring, second damping spring installs on one side of bottom plate, first sloping block is installed on the second damping spring.
6. The fall arrest device for elevators according to claim 5, wherein: the right side blocks the subassembly with the left side blocks the subassembly and still includes fourth damping spring, fourth damping spring installs the another side at the bottom plate, the second sloping block is installed on the fourth damping spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810603362.8A CN108750859B (en) | 2016-08-21 | 2016-08-21 | Lifting type elevator falling prevention device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610700337.2A CN106219350B (en) | 2016-08-21 | 2016-08-21 | A kind of lifting type elevator falling proof device |
| CN201810603362.8A CN108750859B (en) | 2016-08-21 | 2016-08-21 | Lifting type elevator falling prevention device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610700337.2A Division CN106219350B (en) | 2016-08-21 | 2016-08-21 | A kind of lifting type elevator falling proof device |
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| Publication Number | Publication Date |
|---|---|
| CN108750859A CN108750859A (en) | 2018-11-06 |
| CN108750859B true CN108750859B (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810603362.8A Active CN108750859B (en) | 2016-08-21 | 2016-08-21 | Lifting type elevator falling prevention device |
| CN201610700337.2A Active CN106219350B (en) | 2016-08-21 | 2016-08-21 | A kind of lifting type elevator falling proof device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610700337.2A Active CN106219350B (en) | 2016-08-21 | 2016-08-21 | A kind of lifting type elevator falling proof device |
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| CN (2) | CN108750859B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107416646A (en) * | 2017-05-04 | 2017-12-01 | 中山天达电梯科技有限公司 | A kind of passageway lift |
| CN109132777A (en) * | 2018-11-13 | 2019-01-04 | 苏州默顿快速电梯有限公司 | A kind of safety tongs of elevator |
| CN111362091A (en) * | 2020-05-07 | 2020-07-03 | 福建工程学院 | Intelligent anti-falling ladder structure of building elevator |
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| CN202346537U (en) * | 2011-12-09 | 2012-07-25 | 滑黎明 | Car, anti-falling device for car and elevator equipment using car |
| CN102887409A (en) * | 2012-10-09 | 2013-01-23 | 长春理工大学 | Vertical-lifting elevator anti-falling protection device |
| CN204751769U (en) * | 2015-06-12 | 2015-11-11 | 大众电梯有限公司 | Elevator overhauls protection device |
| CN204938625U (en) * | 2015-08-14 | 2016-01-06 | 重庆圣普锣建材有限公司 | Used during elevator falling fender guard |
| CN204999462U (en) * | 2015-08-26 | 2016-01-27 | 富士电梯（合肥）有限公司 | Elevator anti -falling device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19833772A1 (en) * | 1998-07-17 | 2000-01-20 | Giesen Leana | Fall prevention device for rail-guided lifts (elevators) with grip for taut signal cable |
| CN203246978U (en) * | 2013-05-09 | 2013-10-23 | 中国化学工程第十三建设有限公司 | Construction elevator falling buffering device |
| CN105217393A (en) * | 2015-09-30 | 2016-01-06 | 中国计量学院 | The elevator of tenesmus and accident of rushing to summit can not be there is |
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2016
- 2016-08-21 CN CN201810603362.8A patent/CN108750859B/en active Active
- 2016-08-21 CN CN201610700337.2A patent/CN106219350B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202346537U (en) * | 2011-12-09 | 2012-07-25 | 滑黎明 | Car, anti-falling device for car and elevator equipment using car |
| CN102887409A (en) * | 2012-10-09 | 2013-01-23 | 长春理工大学 | Vertical-lifting elevator anti-falling protection device |
| CN204751769U (en) * | 2015-06-12 | 2015-11-11 | 大众电梯有限公司 | Elevator overhauls protection device |
| CN204938625U (en) * | 2015-08-14 | 2016-01-06 | 重庆圣普锣建材有限公司 | Used during elevator falling fender guard |
| CN204999462U (en) * | 2015-08-26 | 2016-01-27 | 富士电梯（合肥）有限公司 | Elevator anti -falling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106219350A (en) | 2016-12-14 |
| CN106219350B (en) | 2018-05-29 |
| CN108750859A (en) | 2018-11-06 |
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Effective date of registration: 20200402 Address after: 226156 Nantong Binhai New Area, Haimen City, Hong Kong West Road, No. 999, No. Applicant after: HAIMEN HUANGHAI PIONEER PARK SERVICES Co.,Ltd. Address before: 362100, Luohe Road, 92 village, Luoyang Town, Quanzhou Town, Huian County, Fujian Applicant before: Wu Zhenbiao |
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