CN110436299A - Elevator safety monitoring device - Google Patents
Elevator safety monitoring device Download PDFInfo
- Publication number
- CN110436299A CN110436299A CN201910668732.0A CN201910668732A CN110436299A CN 110436299 A CN110436299 A CN 110436299A CN 201910668732 A CN201910668732 A CN 201910668732A CN 110436299 A CN110436299 A CN 110436299A
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- Prior art keywords
- detection components
- elevator
- traction sheave
- bottom plate
- monitoring device
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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
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The present invention relates to a kind of elevator safety monitoring devices, are related to elevator safety field, comprising: traction motor, levelness detection components, slips detection components, control module and elevator warning module at mounting base；The traction motor includes: shell and traction sheave, and the mounting base is installed on the shell, and the mounting base includes: bottom plate and riser, and the riser is perpendicular to the bottom plate and is located at side of the bottom plate far from the shell；The levelness detection components are set between the traction sheave bottom and the upper surface of the bottom plate, the detection components that slip are set between the lateral surface and the riser of the traction sheave, the control module is electrically connected with the levelness detection components, the slippage detection components, and is controlled the elevator warning module starting according to testing result, closed.The present invention can effectively monitor whether traction sheave is horizontal, whether has slippage trend, and safer, stable structure, installation, comparison are simple.
Description
Technical field
The present invention relates to elevator safety technical fields, more particularly, to a kind of elevator safety monitoring device.
Background technique
Towed elevator is as common vertical lift tool, it is common to use in the regions such as large-scale mall or office building, traction
Compared to having many advantages, such as to transmit, highly high, acceleration is big, goes up and down rapid, the use scope of towed elevator compared with hydraulic elevator for elevator
Widely.Towed elevator is different from hydraulic elevator, and power resources include from clump weight and traction motor, traction motor
Traction sheave and hoist ropes.The important component about safety of traction sheave and hoist ropes as elevator, in recent years to its detection property, essence
More stringent requirements are proposed for true property and safety, due to elevator specification, size, the difference of tonnage, the installation site of traction sheave
Can be different, existing traction sheave is inaccurate when installation；In addition, some hoist ropes in traction sheave is it is possible that open
Power weakens, and causes security risk；Finally, due to which the tension between multiple hoist ropes is uneven, level can be generated to traction sheave itself
The biasing force in direction causes the inclination of traction sheave even to shift.
The Chinese invention patent for now retrieving a Publication No. CN109896388A discloses a kind of traction sheave horizontal position
Monitoring device and its installation method are set, including being equipped with the mounting plate of contact inductor, carrying out below mounting plate to it
The supporting element of support, the leveling part leveled between mounting plate and supporting element to mounting plate and setting are on leveling part
Limit the locating part of mounting plate rotation；The leveling part includes the connecting plate for being fixed in supporting element upper end, is rotatably dispose in connection
Adjusting rod on plate and along the radially-arranged round fluted disc of adjusting rod, the axis horizontal setting of the adjusting rod, the limit
Part and round fluted disc are engaged by clamping.
Prior art among the above has the following deficiencies: since what above-mentioned monitoring device can only monitor traction sheave is
No level, in the case where traction sheave loosens, once traction sheave high speed rotation, traction sheave, which can have, to be slided and is detached from horizontally outward
Trend, and above-mentioned monitoring device is unable to monitor the risk, so have much room for improvement, and above-mentioned monitoring device structure is more multiple
Miscellaneous, production and installation are all comparatively laborious.
Summary of the invention
The object of the present invention is to provide a kind of elevator safety monitoring device, can effectively monitor whether traction sheave is horizontal, is
No to have slippage trend, safer, stable structure, installation, comparison are simple.
Above-mentioned purpose of the invention has the technical scheme that a kind of elevator safety monitoring device, packet
Include: traction motor, levelness detection components, slips detection components, control module and elevator warning module at mounting base；
The traction motor includes: shell and traction sheave, and the mounting base is installed on the shell, and the mounting base includes:
Bottom plate and riser, the riser is perpendicular to the bottom plate and is located at side of the bottom plate far from the shell；
The levelness detection components are set between the traction sheave bottom and the upper surface of the bottom plate, the slippage detection group
Part is set between the lateral surface and the riser of the traction sheave, the control module and the levelness detection components, described
Detection components electrical connection is slipped, and controls the elevator warning module starting according to testing result, close.
Mounting base and slippage are increased compared with common elevator safety monitoring device by using above-mentioned technical proposal
Detection components, mounting base is levelness detection components, slippage detection components provide stable installation site, when levelness detects
When the levelness of assemblies monitor to traction sheave varies widely, control module can receive the monitoring result and control elevator report
Alert module starting, when slippage detection components monitor traction sheave with more significantly trend is slipped outward, control module meeting
It receives the monitoring result and controls the starting of elevator warning module, this programme is more comprehensive to the position monitoring of traction sheave, can
Whether enough effectively monitoring traction sheaves are horizontal, and can effectively monitor whether traction sheave has slippage trend, safer, and should
Elevator safety monitoring device stable structure, installation, comparison are simple.
The present invention is further arranged to, and the levelness detection components include: flat contact plate and pressure sensor, described
Flat contact plate is located between traction sheave bottom and the upper surface of the bottom plate, and the upper surface of the flat contact plate is provided with
At least two pressure sensors, horizontal interval arrangement between the adjacent pressure sensor；
The control module obtains the pressure value of the pressure sensor and calculates the pressure between the different pressure sensors
Value difference, the control module are preset with standard value, the control module control when the pressure value difference is greater than the standard value
The elevator warning module starting.
By using above-mentioned technical proposal, when traction sheave cannot keep relative level, two side bottoms of traction sheave are right to its
Answering the extruding force of the pressure sensor of lower section will be different, once the gradient of traction sheave horizontal direction is excessive, adjacent pressure
Pressure value difference between sensor is also larger, and when pressure value difference is greater than standard value, control module control elevator warning module is opened
Dynamic, the levelness detection components structure of above-mentioned design is simple, stablizes, and monitoring effect is obvious.
The present invention is further arranged to, the levelness detection components further include: the first adjusting nut, described first is adjusted
Nut thread is assemblied in the bottom plate, and the lower surface of the flat contact plate is connected at the top of first adjusting nut.
By using above-mentioned technical proposal, by screwing the first adjusting nut, thus it is possible to vary flat contact plate passes pressure
The extruding force of sensor, and then the abutting degree between adjustable pressure sensor and traction sheave lower surface, supporting between the two
In tight more situation, the detection sensitivity of the slippage detection components is lower, effectively avoids the slightly unhorizontal institute of traction sheave
Bring judges problem by accident；In the lesser situation of abutting degree between the two, the detection sensitivity of the slippage detection components is higher.
The present invention is further arranged to, and the slippage detection components include: vertical contact plate, trigger member, alarm button, institute
It states vertical contact plate to be located between the lateral surface and the riser of the traction sheave, the lateral surface of the vertical contact plate is connected with
At least one described trigger member, the trigger member, which slides laterally, is assemblied in the riser, is provided in the riser and the touching
The alarm button of the corresponding arrangement of outbox；
The control module is electrically connected with the alarm button, the control module control when the alarm button is pressed triggering
Make the elevator warning module starting.
By using above-mentioned technical proposal, when traction sheave has slippage trend outward, the outer surface of traction sheave can be outside
Squeezing vertical contact plate, vertical contact plate can link trigger member, therefore trigger member also has the trend for squeezing alarm button, once
The trend that traction sheave slips outward is larger, can directly result in alarm button and press, so that elevator warning module starts, above-mentioned design
Slippage detection components structure it is simple, stablize, monitoring effect is obvious.
The present invention is further arranged to, the slippage detection components further include: adjustment spring and the second adjusting nut, it is described
It is provided with abutting plate in trigger member, holding tank is provided on the riser, the adjustment spring is located in the holding tank, described
Second adjusting nut Screw assembly is connected to the abutting in the opening of the holding tank, the both ends of the adjustment spring respectively
Plate, second adjusting nut.
By using above-mentioned technical proposal, by screwing the second adjusting nut, can go to change by adjustment spring to supporting
The pressure of fishplate bar, and then the abutting degree between adjustable vertical contact plate and traction sheave outer surface, supporting between the two
In tight more situation, the detection sensitivity of the slippage detection components is lower, and traction sheave is effectively avoided slightly to slip institute's band
The erroneous judgement problem come；In the lesser situation of abutting degree between the two, the detection sensitivity of the slippage detection components is higher.
The present invention is further arranged to, and the trigger member is specifically arranged there are three and divides vertical arranged for interval.
By using above-mentioned technical proposal, the design of multiple trigger member, can monitor traction sheave multiple positions whether to
Outer slippage, monitoring effect is more preferable, and structure is more uniform rationally.
The present invention is further arranged to, and the trigger member is set as tip shape close to one end of the alarm button.
By using above-mentioned technical proposal, when the pointed end of trigger member and alarm button abut against, trigger member with
Contact area between alarm button is smaller, and then under same pressure, can generate biggish pressure with by alarm button
It presses, therefore structure design is sharper, monitoring effect is sensitiveer.
The present invention is further arranged to, the mounting base further include: diagonal brace floor, the diagonal brace floor are supported in described outer
Between shell and the lower surface of the bottom plate, the diagonal brace floor triangular shape or trapezoidal shape.
By using above-mentioned technical proposal, diagonal brace floor is supported between shell and the lower surface of bottom plate, enhances bottom plate
Bearing capacity, and then install holder structure it is stronger, be unlikely to deform, monitoring result is more accurate.
The present invention is further arranged to, and the bottom plate is provided on the shell close to one end t shape of the shell
For the T shape sliding slot of bottom plate sliding, the bottom plate is locked by multiple groups screw.
It can loosen a screw by using above-mentioned technical proposal when needing to remove, safeguarding traction sheave, it then will peace
Dress seat is slid on one side, so that mounting base not will form interference, operating space is bigger, traction sheave easy to dismantle, and passes through spiral shell
Nail can be very strongly fixed on the shell by mounting base, and sound construction, dismounting are simple.
The present invention is further arranged to, and the elevator warning module includes: buzzer and flashing lamp, the buzzer and institute
It states flashing lamp and is installed in elevator interior.
By using above-mentioned technical proposal, when the position of traction sheave is abnormal, buzzer can sound report in elevator
Alert, flashing lamp can flash alarm in elevator, the passenger in elevator is facilitated to be aware of exception, safer.
In conclusion advantageous effects of the invention are as follows:
First, increasing mounting base compared with common elevator safety monitoring device and slipping detection components, mounting base is level
Degree detection components, slippage detection components provide stable installation site, when levelness detection components monitor the water of traction sheave
When Pingdu varies widely, control module can receive the monitoring result and control the starting of elevator warning module, examine when slipping
Survey assemblies monitor to traction sheave have more significantly outward slippage trend when, control module can receive the monitoring result and control
Elevator warning module starting processed, this programme is more comprehensive to the position monitoring of traction sheave, effectively whether can either monitor traction sheave
Level, and can effectively monitor whether traction sheave has slippage trend, it is safer, and the elevator safety monitoring device structure
Stablize, installation, comparison are simple；
Second, can loosen a screw when needing to remove, safeguarding traction sheave, then mounting base is slid on one side, to pacify
Dress seat not will form interference, and operating space is bigger, traction sheave easy to dismantle, and can be very secured by mounting base by screw
Ground is fixed on the shell, and sound construction, dismounting are simple.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 be levelness detection components in the embodiment of the present invention, slip detection components and mounting base structural schematic diagram, specifically with
Partial sectional view is shown.
Appended drawing reference: 1, traction motor；11, shell；111, T shape sliding slot；112, screw；12, traction sheave；2, mounting base；
21, bottom plate；22, riser；23, diagonal brace floor；3, levelness detection components；31, flat contact plate；32, pressure sensor；33,
First adjusting nut；4, detection components are slipped；41, vertical contact plate；42, trigger member；43, alarm button；44, adjustment spring；
45, the second adjusting nut；5, control module；6, elevator warning module；61, buzzer；62, flashing lamp.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
It referring to Fig.1, is a kind of elevator safety monitoring device disclosed by the invention, comprising: traction motor 1, mounting base 2, water
Pingdu detection components 3 slip detection components 4, control module 5 and elevator warning module 6, and control module 5 is specially computer.
Traction motor 1 includes: shell 11 and traction sheave 12, and mounting base 2 is installed on shell 11, and mounting base 2 includes: bottom plate
21 and riser 22, riser 22 is perpendicular to bottom plate 21 and is located at side of the bottom plate 21 far from shell 11；Levelness detection components 3 are set to
Between 12 bottom of traction sheave and the upper surface of bottom plate 21, slip detection components 4 be set to traction sheave 12 lateral surface and riser 22 it
Between, control module 5 is electrically connected with levelness detection components 3, slippage detection components 4, and controls elevator warning according to testing result
The starting of module 6 is closed.
Elevator warning module 6 includes: buzzer 61 and flashing lamp 62, and buzzer 61 and flashing lamp 62 are installed in elevator
Portion, when the position of traction sheave 12 is abnormal, buzzer 61 alarm sounds, flashing lamp 62 can dodge in elevator in elevator
Bright alarm, facilitates the passenger in elevator to be aware of exception, safer.
Referring to figs. 1 and 2, levelness detection components 3 include: flat contact plate 31 and pressure sensor 32, level
Contact plate 31 is located between 12 bottom of traction sheave and the upper surface of bottom plate 21, and the upper surface of flat contact plate 31 is provided at least
Two pressure sensors 32, horizontal interval arrangement between adjacent pressure sensor 32；Control module 5 obtains pressure sensor 32
Pressure value simultaneously calculates the pressure value difference between different pressures sensor 32, standard value is preset in control module 5, when pressure value difference
Control module 5 controls elevator warning module 6 and starts when greater than standard value.
When traction sheave 12 cannot keep relative level, two side bottoms of traction sheave 12 correspond to the pressure sensor of lower section to it
32 extruding force will be different, once the gradient of 12 horizontal direction of traction sheave is excessive, between adjacent pressure sensor 32
Pressure value difference is also larger, and when pressure value difference is greater than standard value, control module 5 controls elevator warning module 6 and starts, above-mentioned design
3 structure of levelness detection components it is simple, stablize, monitoring effect is obvious.
Levelness detection components 3 further include: the first adjusting nut 33,33 Screw assembly of the first adjusting nut in bottom plate 21,
The top of first adjusting nut 33 is connected to the lower surface of flat contact plate 31.By screwing the first adjusting nut 33, Ke Yigai
Become flat contact plate 31 to the extruding force of pressure sensor 32, and then adjustable pressure sensor 32 and 12 lower surface of traction sheave
Between abutting degree, in the more situation of abutting between the two, the detection sensitivities of the slippage detection components 4 compared with
It is low, effectively avoid the slightly unhorizontal brought erroneous judgement problem of traction sheave 12；In the lesser situation of abutting degree between the two,
The detection sensitivity of the slippage detection components 4 is higher.
Slipping detection components 4 includes: vertical contact plate 41, trigger member 42, alarm button 43, and vertical contact plate 41, which is located at, to be draged
Between the lateral surface and riser 22 of running wheel 12, the lateral surface of vertical contact plate 41 is connected at least one trigger member 42, trigger member
42 slide laterally and are assemblied in riser 22, and the alarm button 43 of arrangement corresponding with trigger member 42 is provided in riser 22；Control module 5
It is electrically connected with alarm button 43, when alarm button 43 is pressed triggering, control module 5 controls elevator warning module 6 and starts.It drags
When running wheel 12 has slippage trend outward, the outer surface of traction sheave 12 can be outwardly against vertical contact plate 41, vertical contact plate
41 can link trigger member 42, therefore trigger member 42 also has the trend for squeezing alarm button 43, once traction sheave 12 slips outward
Trend it is larger, alarm button 43 can be directly resulted in and pressed, so that elevator warning module 6 starts, the slippage of above-mentioned design detection
4 structure of component is simple, stablizes, and monitoring effect is obvious.
Slip detection components 4 further include: adjustment spring 44 and the second adjusting nut 45 are provided with abutting in trigger member 42
Plate is provided with holding tank on riser 22, and adjustment spring 44 is located in holding tank, and 45 Screw assembly of the second adjusting nut is in holding tank
Opening, the both ends of adjustment spring 44 be connected to respectively abut plate, the second adjusting nut 45.By screwing the second adjusting nut
45, it can go to change the pressure to plate is abutted, and then adjustable vertical contact plate 41 and traction sheave 12 by adjustment spring 44
Abutting degree between outer surface, in the more situation of abutting between the two, the detection spirit of the slippage detection components 4
Sensitivity is lower, and traction sheave 12 is effectively avoided slightly to slip brought erroneous judgement problem；The lesser feelings of abutting degree between the two
Under condition, the detection sensitivity of the slippage detection components 4 is higher.
Specifically there are three (quantity can also be two or four or more in other embodiments for setting for trigger member 42
It is more) and point vertical arranged for interval, the design of multiple trigger member 42, whether the multiple positions that can monitor traction sheave 12 are slided outward
De-, monitoring effect is more preferable, and structure is more uniform rationally.
Trigger member 42 is set as tip shape, the pointed end of trigger member 42 and alarm close to one end of alarm button 43
When button 43 abuts against, the contact area between trigger member 42 and alarm button 43 is smaller, and then under same pressure, energy
Biggish pressure is generated to press alarm button 43, therefore structure design is sharper, monitoring effect is sensitiveer.
Mounting base 2 further include: diagonal brace floor 23, diagonal brace floor 23 are supported between shell 11 and the lower surface of bottom plate 21,
23 triangular shape of diagonal brace floor (diagonal brace floor 23 can also be trapezoidal shape in other embodiments), diagonal brace floor 23 is supported in
Between shell 11 and the lower surface of bottom plate 21, the bearing capacity of bottom plate 21 is enhanced, and then 2 structure of mounting base is stronger, no
Easily-deformable, monitoring result is more accurate.
Bottom plate 21 is provided with the T shape sliding slot 111 slided for bottom plate 21 on shell 11 close to one end t shape of shell 11,
Bottom plate 21 is locked by multiple groups screw 112.When needing to remove, safeguarding traction sheave 12, screw 112 can be unscrewed, so
Mounting base 2 is slid on one side afterwards, so that mounting base 2 not will form interference, operating space is bigger, traction sheave 12 easy to dismantle,
And mounting base 2 can be very strongly fixed on shell 11 by screw 112, sound construction, dismounting are simple.
The implementation principle of the present embodiment are as follows: compared with common elevator safety monitoring device, increase mounting base 2 and slip
Detection components 4, mounting base 2 is levelness detection components 3, slippage detection components 4 provide stable installation site, works as levelness
When detection components 3 monitor that the levelness of traction sheave 12 varies widely, control module 5 can receive the monitoring result and control
Elevator warning module 6 processed starts, and monitors that traction sheave 12 has more significantly outside slippage trend when slipping detection components 4
When, control module 5 can receive the monitoring result and control the starting of elevator warning module 6, position of this programme to traction sheave 12
Monitoring is more comprehensive, whether horizontal can either effectively monitor traction sheave 12, and can effectively monitor whether traction sheave 12 has cunning
De- trend, it is safer, and also the elevator safety monitoring device stable structure, installation, comparison are simple.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of elevator safety monitoring device characterized by comprising traction motor (1), mounting base (2), levelness detection group
Part (3) slips detection components (4), control module (5) and elevator warning module (6)；
The traction motor (1) includes: shell (11) and traction sheave (12), and the mounting base (2) is installed on the shell (11)
On, the mounting base (2) includes: bottom plate (21) and riser (22), and the riser (22) is perpendicular to the bottom plate (21) and is located at
Side of the bottom plate (21) far from the shell (11)；
The levelness detection components (3) are set between the traction sheave (12) bottom and the upper surface of the bottom plate (21), institute
It states and slips detection components (4) between the lateral surface and the riser (22) of the traction sheave (12), the control module (5)
It is electrically connected with the levelness detection components (3), the slippage detection components (4), and controls the elevator according to testing result
Alarm module (6) starting is closed.
2. elevator safety monitoring device according to claim 1, which is characterized in that levelness detection components (3) packet
Include: flat contact plate (31) and pressure sensor (32), the flat contact plate (31) are located in traction sheave (12) bottom and institute
Between the upper surface for stating bottom plate (21), the upper surface of the flat contact plate (31) is provided at least two pressure sensors
(32), horizontal interval is arranged between the adjacent pressure sensor (32)；
The control module (5) obtains the pressure value of the pressure sensor (32) and calculates the different pressure sensors (32)
Between pressure value difference, the control module (5) is preset with standard value, when the pressure value difference is greater than the standard value described in
Control module (5) controls elevator warning module (6) starting.
3. elevator safety monitoring device according to claim 2, which is characterized in that the levelness detection components (3) are also
It include: the first adjusting nut (33), the first adjusting nut (33) Screw assembly is adjusted in the bottom plate (21), described first
The lower surface of the flat contact plate (31) is connected at the top of nut (33).
4. elevator safety monitoring device according to claim 1, which is characterized in that the slippage detection components (4) include:
Vertical contact plate (41), trigger member (42), alarm button (43), the vertical contact plate (41) are located at the traction sheave (12)
Between lateral surface and the riser (22), the lateral surface of the vertical contact plate (41) is connected at least one described trigger member
(42), the trigger member (42), which slides laterally, is assemblied in the riser (22), is provided with and the triggering in the riser (22)
The alarm button (43) of the corresponding arrangement of part (42)；
The control module (5) is electrically connected with the alarm button (43), when the alarm button (43) when that is pressed triggering institute
It states control module (5) and controls elevator warning module (6) starting.
5. elevator safety monitoring device according to claim 4, which is characterized in that the slippage detection components (4) are also wrapped
Include: adjustment spring (44) and the second adjusting nut (45) are provided with abutting plate on the trigger member (42), on the riser (22)
Be provided with holding tank, the adjustment spring (44) is located in the holding tank, the second adjusting nut (45) Screw assembly in
The opening of the holding tank, the both ends of the adjustment spring (44) are connected to the abutting plate, the second adjusting spiral shell respectively
Female (45).
6. elevator safety monitoring device according to claim 4, which is characterized in that the trigger member (42) is specifically provided with
Three and point vertical arranged for interval.
7. elevator safety monitoring device according to claim 4, which is characterized in that the trigger member (42) is close to the report
The one end of alert button (43) is set as tip shape.
8. elevator safety monitoring device according to claim 1, which is characterized in that the mounting base (2) further include: diagonal brace
Floor (23), the diagonal brace floor (23) are supported between the shell (11) and the lower surface of the bottom plate (21), described oblique
Stake rib plate (23) triangular shape or trapezoidal shape.
9. elevator safety monitoring device according to claim 1, which is characterized in that the bottom plate (21) is close to the shell
(11) one end t shape is provided with the T shape sliding slot (111) for the bottom plate (21) sliding, the bottom on the shell (11)
Plate (21) is locked by multiple groups screw (112).
10. elevator safety monitoring device according to claim 1, which is characterized in that elevator warning module (6) packet
Include: buzzer (61) and flashing lamp (62), the buzzer (61) and the flashing lamp (62) are installed in elevator interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910668732.0A CN110436299B (en) | 2019-07-23 | 2019-07-23 | Elevator safety monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910668732.0A CN110436299B (en) | 2019-07-23 | 2019-07-23 | Elevator safety monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN110436299A true CN110436299A (en) | 2019-11-12 |
| CN110436299B CN110436299B (en) | 2020-12-15 |
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|---|---|---|---|
| CN201910668732.0A Active CN110436299B (en) | 2019-07-23 | 2019-07-23 | Elevator safety monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115076290A (en) * | 2022-04-29 | 2022-09-20 | 宁波宏大电梯有限公司 | Supporting force adjustable does not have computer lab damping device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115076290A (en) * | 2022-04-29 | 2022-09-20 | 宁波宏大电梯有限公司 | Supporting force adjustable does not have computer lab damping device |
| CN115076290B (en) * | 2022-04-29 | 2023-11-21 | 宁波宏大电梯有限公司 | Supporting force adjustable no computer lab damping device |
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| CN110436299B (en) | 2020-12-15 |
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Effective date of registration: 20230822 Address after: 502, Floor 5, Building 1, Yard 18, Shixing East Street, Shijingshan District, Beijing 100041 Patentee after: BEIJING SHOURONGHUI TECHNOLOGY DEVELOPMENT CO.,LTD. Address before: 100043 single dormitory at the west entrance of Jinding street, Shijingshan District, Beijing Patentee before: Beijing Shougang Futong Elevator Co.,Ltd. |
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