CN105836586A - Length-adjustable acoustic-optical device preventing elevator door from being automatically closed - Google Patents
Length-adjustable acoustic-optical device preventing elevator door from being automatically closed Download PDFInfo
- Publication number
- CN105836586A CN105836586A CN201610432673.3A CN201610432673A CN105836586A CN 105836586 A CN105836586 A CN 105836586A CN 201610432673 A CN201610432673 A CN 201610432673A CN 105836586 A CN105836586 A CN 105836586A
- Authority
- CN
- China
- Prior art keywords
- cavity
- moving contact
- static contact
- piston
- left end
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
- B66B13/18—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors
- B66B13/185—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors electrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
-
- 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
- B66B5/0043—Devices enhancing safety during maintenance
- B66B5/005—Safety of maintenance personnel
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
The invention discloses a length-adjustable acoustic-optical device preventing an elevator door from being automatically closed. The length-adjustable acoustic-optical device comprises a shell. A first cavity and a second cavity are formed in the left end of the shell. A pressing electric conduction mechanism is arranged in each of the first cavity and the second cavity. A third cavity is formed in the right portion of the shell. A piston type telescopic mechanism is connected in the third cavity in a sliding manner. A left end cover is fixedly arranged on the left end of the shell, and a right end cover is fixedly arranged on the right end of the shell. A lower base is fixed to the front-back center position of the lower portion of the shell. The upper portion of the shell is fixedly provided with an electric appliance box, and electrical circuits are arranged in the electric appliance box. By means of the length-adjustable acoustic-optical device, the opening degree of the elevator landing door can be controlled according to the stretching-out length of a piston, acoustic alarming and optical alarming in the elevator maintaining process are achieved through the electrical circuits, and the device is convenient to use, practical, safe and reliable.
Description
Technical field
The invention belongs to elevator technology field, particularly relate to a kind of prevention elevator door self-closing device.
Background technology
Should there is automatic closing function when national Specification elevator door is properly functioning, but elevator needs hoistway door to remain on during maintenance and inspection is easy to maintenance activity, i.e. stops hoistway door automatically to close.
During maintenance elevator, we generally use two screwdriver jams between hall door, are used for stopping that hall door is automatically switched off, and when adopting in this way, two screwdrivers often move, and are difficult to operation, cause hall door the most self-closing；The most also take to will turn off the method that device is set to failure state, although this state is reliable, but the spacing that hall door is opened is difficult to determine, personnel easily crash into hoistway from the uncertain gap of this size, and security incident occurs, additionally, after this failure state is arranged, if related personnel's carelessness, recover self closing device the most in time, elevator can open hall door when properly functioning, causes immeasurable consequence of hurting sb.'s feelings.
Summary of the invention
In place of the deficiencies in the prior art, the present invention proposes a kind of adjustable in length and convenient and reliable acousto-optic type stops elevator door self-closing device.
For solving above-mentioned technical problem, the present invention is by the following technical solutions: adjustable length acousto-optic type stops elevator door self-closing device, including horizontally disposed housing, housing left part is sequentially provided with the first cavity and the second cavity from left to right, the diameter of the first cavity is more than the diameter of the second cavity, it is provided with pressing conductive mechanism in first cavity and the second cavity, housing right part is provided with the 3rd cavity, piston type telescoping mechanism is slidably connected in 3rd cavity, two ends, housing left and right are fixed with left end cap and right end cap respectively, left end cap closes the left end of the first cavity, right end cap closes the right-hand member of the 3rd cavity, lower housing portion front-rear center position is fixed with lower bottom base, housing upper is fixed with electrical appliance kit, electric wiring it is disposed with inside electrical appliance kit；
nullPressing conductive mechanism includes static contact component、Moving contact component、Compression spring and spring backstop，Spring backstop separates described first cavity and the second cavity，Static contact component is fixing to be located in the second cavity，Static contact component length in the lateral direction is less than the second cavity degree of depth in the lateral direction，Moving contact component slides in being located at the first cavity and moving contact component left end stretches out left end cap and is slidably matched with left end cap，The right part of moving contact component is arranged with described compression spring，The right side of the first cavity is fixed with described spring backstop，Compression spring and the top press-fit of spring backstop，Moving contact component right part through spring backstop and coordinates with spring backstop slipper seal，Moving contact component has pressing position and initial position，Between initial position lower moving contact assembly right part and static contact component, there is gap，Press-fit is pushed up between pressing position lower moving contact assembly right part and static contact component；
Piston type telescoping mechanism includes piston, piston backstop, adjustable bolt and sunk screw, piston backstop is slided in the 3rd cavity being located at housing, piston backstop axis direction is provided with sunk screw, described piston is connected by sunk screw and piston backstop are fixing, the right part of piston passes right end cap and is slidably matched with right end cap, the right part of housing is radially provided with the screwed hole through with the 3rd cavity, and screwed hole internal thread connects has adjustable bolt, adjustable bolt to hold out against on piston.
Static contact component includes left felt pad, right felt pad, static contact, static contact catch and trip bolt, right felt pad is located at the second cavity right side, right felt pad left end is provided with static contact catch, static contact is fixedly connected on static contact catch left end center, left felt pad is set on static contact, stretching out left felt pad on the left of static contact, trip bolt is uniformly provided with four along left felt pad, right felt pad and static contact catch circumferencial direction, and static contact component is fixedly connected with the casing by trip bolt.
Moving contact component includes the stop of press head, moving contact, moving contact post and dormant bolt, moving contact stops the right side being slidably connected in the first cavity and being positioned at left end cap, original state lower moving contact stops and left end caping press-fit, and pressed state lower moving contact stops have gap between left end cap；Moving contact is provided with moving contact post on the right side of stopping, it is provided with on the left of press head and press head on the left of moving contact stop and stretches out left end cap and be slidably matched with left end cap, press head left end center is provided with dormant bolt, and press head, moving contact stop and moving contact post connects by dormant bolt is fixing.
The external part afterbody of piston is along the through slotted hole being provided with for stretching piston of radial direction of piston, and the crown center position of piston is provided with the groove for holding out against adjustable bolt in the axial direction.
Electrical appliance kit top is provided with electrical equipment lid.
Left end cap, right end cap, lower bottom base and electrical appliance kit are all fixedly connected with the casing by screw.
Electric wiring includes power supply, switch, buzzer, light emitting diode, controller and wire, described power supply, switch, buzzer, light emitting diode and controller are connected by wired in series, the first through wires hole and the second through wires hole it is respectively equipped with on first cavity of housing and the second cavity, wire is connected through the first through wires hole with spring backstop, moving contact post is connected with wire by spring backstop, wire is connected through the second through wires hole with static contact catch, static contact is connected with wire by static contact catch, spring backstop, static contact catch, moving contact post and static contact constitute described switch and control the break-make of electric wiring.
Use technique scheme, there is advantages that and utilize the self closing device of hoistway door to make moving contact post contact with static contact to turn on electric wiring, reasonable in design and easy to use.
Electric wiring connects controller, can realize the visual alarm of interrupted audible ringing signal and flicker, improve warning function.
Utilize the aperture of extension elongation regulation hoistway door of piston to meet the requirement of the different opening of related personnel's opposite house, and a length of 120mm that inventive piston is non-stretched, after stretching, overall length is less than 150mm, even if maintenance test personnel are the most at the scene, also it is not result in that irrelevant personnel crashes into hoistway, safe and reliable.
Lower bottom base is embedded in the guide-track groove of hoistway door, and can move along guide-track groove, it is ensured that the resistance of hoistway door left and right door leaf when closed is equal.
The dismountable lid of electrical equipment tape, the convenient maintenance to circuit and replacing battery, it is ensured that work reliably and with long-term.
In sum: the length that the present invention can stretch out according to piston controls the aperture of elevator hall door, and electric wiring is utilized to realize the audible alarm during elevator reparing and light is reported to the police, convenient and practical and safe and reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the electrical schematic diagram of the present invention.
Detailed description of the invention
Embodiment: adjustable length acousto-optic type as depicted in figs. 1 and 2 stops elevator door self-closing device, including horizontally disposed housing 1, housing 1 left part is sequentially provided with the first cavity 2 and the second cavity 3 from left to right, the diameter of the first cavity 2 is more than the diameter of the second cavity 3, it is provided with pressing conductive mechanism in first cavity 2 and the second cavity 3, housing 1 right part is provided with the 3rd cavity 4, piston type telescoping mechanism is slidably connected in 3rd cavity 4, housing about 1 two ends are fixed with left end cap 5 and right end cap 6 respectively, left end cap 5 closes the left end of the first cavity 2, right end cap 6 closes the right-hand member of the 3rd cavity 4；Front-rear center position, housing 1 bottom is fixed with lower bottom base 7, and the position corresponding with lower bottom base 7, housing 1 top is fixed with electrical appliance kit 8, and electrical appliance kit 8 is internal is disposed with electric wiring；
Pressing conductive mechanism includes static contact component, moving contact component, compression spring 9 and spring backstop 10, spring backstop 10 separates described first cavity 2 and the second cavity 3, static contact component is fixing to be located in the second cavity 3, static contact component length in the lateral direction is less than the second cavity 3 degree of depth in the lateral direction, moving contact component slides in being located at the first cavity 2 and moving contact component left end stretches out left end cap 5 and is slidably matched with left end cap 5, the right part of moving contact component is arranged with described compression spring 9, the right side of the first cavity 2 is fixed with described spring backstop 10, compression spring 9 and spring backstop 10 push up press-fit,
Moving contact component right part through described spring backstop 10 and coordinates with spring backstop 10 slipper seal, moving contact component has pressing position and initial position, there is between initial position lower moving contact assembly right part and static contact component gap, between pressing position lower moving contact assembly right part and static contact component, push up press-fit；
Piston type telescoping mechanism includes piston 11, piston backstop 12, adjustable bolt 13 and sunk screw 14, piston backstop 12 is slided in the 3rd cavity 4 being located at housing 1, piston backstop 12 axis direction is provided with sunk screw 14, described piston 11 is connected by sunk screw 14 is fixing with piston backstop 12, the right part of piston 11 passes right end cap 6 and is slidably matched with right end cap 6, the right part of housing 1 is radially provided with the screwed hole through with the 3rd cavity 4, screwed hole internal thread connects has adjustable bolt 13, adjustable bolt 13 to hold out against on piston 11.
Static contact component includes left felt pad 15, right felt pad 16, static contact 17, static contact catch 18 and trip bolt 19, right felt pad 16 is located at the second cavity 3 right side, right felt pad 16 left end is provided with static contact catch 18, static contact 17 is fixedly connected on static contact catch 18 left end center, left felt pad 15 is set on static contact 17, left felt pad 15 is stretched out on the left of static contact 17, trip bolt 19 is uniformly provided with four along left felt pad 15, right felt pad 16 and static contact catch 18 circumferencial direction, and static contact component is connected by trip bolt 19 is fixing with housing 1.
Moving contact component includes that press head 20, moving contact stop 21, moving contact post 22 and dormant bolt 23, moving contact stop 21 be slidably connected at the first cavity 2 in and be positioned at the right side of left end cap 5, original state lower moving contact stops that 21 push up press-fit with left end cap 5, and pressed state lower moving contact stops have gap between 21 and left end cap 5；It is provided with moving contact post 22 on the right side of moving contact stop 21, it is provided with on the left of press head 20 and press head 20 on the left of moving contact stop 21 and stretches out left end cap 5 and be slidably matched with left end cap 5, press head 20 left end center is provided with dormant bolt 23, press head 20, moving contact stop 21 and moving contact post 22 and connects by dormant bolt 23 is fixing.
The external part afterbody of piston 11 is along the through slotted hole 24 being provided with for stretching piston 11 of radial direction of piston 11, and the crown center position of piston 11 is provided with the groove 25 for holding out against adjustable bolt 13 in the axial direction.
Electrical appliance kit 8 top is provided with electrical equipment lid 26.
Left end cap 5, right end cap 6, lower bottom base 7 and electrical appliance kit 8 are all connected by screw is fixing with housing 1.
nullElectric wiring includes power supply 27、Switch 28、Buzzer 29、Light emitting diode 30、Controller 31 and wire，Described power supply 27、Switch 28、Buzzer 29、Light emitting diode 30 and controller 31 are connected by wired in series，The first through wires hole 32 and the second through wires hole 33 it is respectively equipped with on first cavity 2 of housing 1 and the second cavity 3，Wire is connected through the first through wires hole 32 with spring backstop 10，Moving contact post 22 is connected with wire by spring backstop 10，Wire is connected through the second through wires hole 33 with static contact catch 18，Static contact 17 is connected with wire by static contact catch 18，Spring backstop 10、Static contact catch 18、Moving contact post 22 and static contact 17 constitute described switch 28 and control the break-make of electric wiring，The model of controller 31 is the music IC chip of band LED，Power supply 27 is 3V button cell.
nullThe work use principle of the present invention is as follows: elevator is when maintenance and inspection，Special triangular key is used to open hoistway door，The lower bottom base 7 of the present invention is embedded in the guide-track groove of hall door，Unclamp adjustable bolt 13，The extension elongation of regulating piston 11 makes it hold out against piston 11 to locking adjustable bolt 13 after correct position，Hoistway door relies on self closing device to close and promote moving contact component to slide to static contact 17 in the first cavity 2 of housing 1，When moving contact post 22 reach the limit of position hold out against static contact 17 time，Hoistway door is prevented from closing and opening certain gap，And the electric wiring being arranged in electrical appliance kit 8 is turned on by moving contact post 22 and the contact of static contact 17，Buzzer 29 and light emitting diode 30 send audible alarm and visual alarm respectively，Controller 31 can control the length of whole loop conduction time，The light realizing interrupted sound and flicker is reported to the police，Prompting irrelevant personnel notices that elevator is in service mode，Now maintenance personal can pass through the gap of hoistway door and starts to overhaul elevator，After overhauling elevator，Take down the jam present invention between hoistway door，Moving contact component relies on the elastic reset of compression spring 9，Electric wiring disconnects，Buzzer 29 and light emitting diode 30 stop alarm，Hoistway door relies on self closing device Guan Bi.The length that the present invention can stretch out according to piston 11 controls the aperture of hoistway door, and utilizes electric wiring to realize the audible alarm during elevator reparing and light is reported to the police, convenient and practical and safe and reliable.
Above example is only in order to illustrative not limiting technical scheme, although the present invention being described in detail with reference to above-described embodiment, it will be understood by those within the art that: any modification or partial replacement without departing from the spirit and scope of the present invention, it all should be contained in the middle of scope of the presently claimed invention.
Claims (7)
1. adjustable length acousto-optic type stops elevator door self-closing device, it is characterized in that: include horizontally disposed housing, housing left part is sequentially provided with the first cavity and the second cavity from left to right, the diameter of the first cavity is more than the diameter of the second cavity, it is provided with pressing conductive mechanism in first cavity and the second cavity, housing right part is provided with the 3rd cavity, piston type telescoping mechanism is slidably connected in 3rd cavity, two ends, housing left and right are fixed with left end cap and right end cap respectively, left end cap closes the left end of the first cavity, right end cap closes the right-hand member of the 3rd cavity, lower housing portion front-rear center position is fixed with lower bottom base, housing upper is fixed with electrical appliance kit, electric wiring it is disposed with inside electrical appliance kit；
nullPressing conductive mechanism includes static contact component、Moving contact component、Compression spring and spring backstop，Spring backstop separates described first cavity and the second cavity，Static contact component is fixing to be located in the second cavity，Static contact component length in the lateral direction is less than the second cavity degree of depth in the lateral direction，Moving contact component slides in being located at the first cavity and moving contact component left end stretches out left end cap and is slidably matched with left end cap，The right part of moving contact component is arranged with described compression spring，The right side of the first cavity is fixed with described spring backstop，Compression spring and the top press-fit of spring backstop，Moving contact component right part through spring backstop and coordinates with spring backstop slipper seal，Moving contact component has pressing position and initial position，Between initial position lower moving contact assembly right part and static contact component, there is gap，Press-fit is pushed up between pressing position lower moving contact assembly right part and static contact component；
Piston type telescoping mechanism includes piston, piston backstop, adjustable bolt and sunk screw, piston backstop is slided in the 3rd cavity being located at housing, piston backstop axis direction is provided with sunk screw, described piston is connected by sunk screw and piston backstop are fixing, the right part of piston passes right end cap and is slidably matched with right end cap, the right part of housing is radially provided with the screwed hole through with the 3rd cavity, and screwed hole internal thread connects has adjustable bolt, adjustable bolt to hold out against on piston.
Adjustable length acousto-optic type the most according to claim 1 stops elevator door self-closing device, it is characterized in that: static contact component includes left felt pad, right felt pad, static contact, static contact catch and trip bolt, right felt pad is located at the second cavity right side, right felt pad left end is provided with static contact catch, static contact is fixedly connected on static contact catch left end center, left felt pad is set on static contact, left felt pad is stretched out on the left of static contact, trip bolt is along left felt pad, right felt pad and static contact catch circumferencial direction are uniformly provided with four, static contact component is fixedly connected with the casing by trip bolt.
Adjustable length acousto-optic type the most according to claim 1 stops elevator door self-closing device, it is characterized in that: moving contact component includes the stop of press head, moving contact, moving contact post and dormant bolt, moving contact stops the right side being slidably connected in the first cavity and being positioned at left end cap, original state lower moving contact stops and left end caping press-fit, and pressed state lower moving contact stops have gap between left end cap；Moving contact is provided with moving contact post on the right side of stopping, it is provided with on the left of press head and press head on the left of moving contact stop and stretches out left end cap and be slidably matched with left end cap, press head left end center is provided with dormant bolt, and press head, moving contact stop and moving contact post connects by dormant bolt is fixing.
Adjustable length acousto-optic type the most according to claim 1 stops elevator door self-closing device, it is characterized in that: the external part afterbody of piston is along the through slotted hole being provided with for stretching piston of radial direction of piston, and the crown center position of piston is provided with the groove for holding out against adjustable bolt in the axial direction.
Adjustable length acousto-optic type the most according to claim 1 stops elevator door self-closing device, it is characterised in that: electrical appliance kit top is provided with electrical equipment lid.
6. stop elevator door self-closing device according to the adjustable length acousto-optic type described in claim 1 or 3, it is characterised in that: left end cap, right end cap, lower bottom base and electrical appliance kit are all fixedly connected with the casing by screw.
7. stop elevator door self-closing device according to the adjustable length acousto-optic type described in claim 1 or 2 or 3, it is characterized in that: electric wiring includes power supply, switch, buzzer, light emitting diode, controller and wire, described power supply, switch, buzzer, light emitting diode and controller are connected by wired in series, the first through wires hole and the second through wires hole it is respectively equipped with on first cavity of housing and the second cavity, wire is connected through the first through wires hole with spring backstop, moving contact post is connected with wire by spring backstop, wire is connected through the second through wires hole with static contact catch, static contact is connected with wire by static contact catch, spring backstop, static contact catch, moving contact post and static contact constitute described switch and control the break-make of electric wiring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610432673.3A CN105836586B (en) | 2016-06-17 | 2016-06-17 | Adjustable length acousto-optic type prevents elevator door self-closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610432673.3A CN105836586B (en) | 2016-06-17 | 2016-06-17 | Adjustable length acousto-optic type prevents elevator door self-closing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105836586A true CN105836586A (en) | 2016-08-10 |
| CN105836586B CN105836586B (en) | 2017-11-10 |
Family
ID=56576188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610432673.3A Expired - Fee Related CN105836586B (en) | 2016-06-17 | 2016-06-17 | Adjustable length acousto-optic type prevents elevator door self-closing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105836586B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109422184A (en) * | 2017-08-30 | 2019-03-05 | 奥的斯电梯公司 | Elevator gate wedge monitoring system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07137965A (en) * | 1993-11-15 | 1995-05-30 | Mitsubishi Denki Bill Techno Service Kk | Door holder for dumb waiter entrance door |
| JPH0891746A (en) * | 1994-09-29 | 1996-04-09 | Mitsubishi Denki Bill Techno Service Kk | Landing door fixing device for elevator |
| JPH0899788A (en) * | 1994-09-30 | 1996-04-16 | Mitsubishi Denki Bill Techno Service Kk | Landing hall door fixing device of elevator |
| JP2006076682A (en) * | 2004-09-08 | 2006-03-23 | Mitsubishi Electric Building Techno Service Co Ltd | Temporary barrier device for elevator landing place |
| JP2013001482A (en) * | 2011-06-14 | 2013-01-07 | Mitsubishi Electric Corp | Door device for elevator, and sill groove blocking device for elevator |
| CN203428679U (en) * | 2013-08-21 | 2014-02-12 | 上海微频莱机电科技有限公司 | Safety device for avoiding lift accidents |
| CN204917510U (en) * | 2015-08-12 | 2015-12-30 | 三菱电机上海机电电梯有限公司 | Lift -cabin door breaks away from to detect to be protected and alarm device |
| CN205687372U (en) * | 2016-06-17 | 2016-11-16 | 河南省特种设备安全检测研究院新乡分院 | Adjustable length acousto-optic type stops elevator door self-closing device |
-
2016
- 2016-06-17 CN CN201610432673.3A patent/CN105836586B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07137965A (en) * | 1993-11-15 | 1995-05-30 | Mitsubishi Denki Bill Techno Service Kk | Door holder for dumb waiter entrance door |
| JPH0891746A (en) * | 1994-09-29 | 1996-04-09 | Mitsubishi Denki Bill Techno Service Kk | Landing door fixing device for elevator |
| JPH0899788A (en) * | 1994-09-30 | 1996-04-16 | Mitsubishi Denki Bill Techno Service Kk | Landing hall door fixing device of elevator |
| JP2006076682A (en) * | 2004-09-08 | 2006-03-23 | Mitsubishi Electric Building Techno Service Co Ltd | Temporary barrier device for elevator landing place |
| JP2013001482A (en) * | 2011-06-14 | 2013-01-07 | Mitsubishi Electric Corp | Door device for elevator, and sill groove blocking device for elevator |
| CN203428679U (en) * | 2013-08-21 | 2014-02-12 | 上海微频莱机电科技有限公司 | Safety device for avoiding lift accidents |
| CN204917510U (en) * | 2015-08-12 | 2015-12-30 | 三菱电机上海机电电梯有限公司 | Lift -cabin door breaks away from to detect to be protected and alarm device |
| CN205687372U (en) * | 2016-06-17 | 2016-11-16 | 河南省特种设备安全检测研究院新乡分院 | Adjustable length acousto-optic type stops elevator door self-closing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109422184A (en) * | 2017-08-30 | 2019-03-05 | 奥的斯电梯公司 | Elevator gate wedge monitoring system |
| CN109422184B (en) * | 2017-08-30 | 2021-10-08 | 奥的斯电梯公司 | Elevator door wedge monitoring system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105836586B (en) | 2017-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10231565B2 (en) | Electric pressure cooker | |
| CN203600802U (en) | Seal with fingerprint recognition function | |
| CN105807112B (en) | Has the intelligent electric meter for alarm function of uncapping and alarm method of uncapping | |
| CN207228834U (en) | A kind of passive padlock | |
| CN203552375U (en) | Safety device with tamper device function | |
| CN103498851A (en) | Self-testing connecting piece | |
| CN203720861U (en) | Fingerprint module testing tool | |
| CN105836586A (en) | Length-adjustable acoustic-optical device preventing elevator door from being automatically closed | |
| CN106135190A (en) | Multi-functional Anti-dismantling mouse blocking plate | |
| CN205687372U (en) | Adjustable length acousto-optic type stops elevator door self-closing device | |
| CN203879354U (en) | Escape security window | |
| CN203732685U (en) | Residual-current circuit breaker automatic detection device | |
| CN109469811A (en) | A kind of lift monitoring camera equipment | |
| JP3244086U (en) | Safety detection system and device for cage elevator for wind power generator | |
| CN203188721U (en) | Energy-saving magnetic lock | |
| CN108100798A (en) | A kind of adjustable acousto-optic type of length prevents elevator door self-closing device | |
| CN205507112U (en) | Electric power facility prevents mistake and hits alarm | |
| CN205460542U (en) | Manual broken window ware | |
| CN209080345U (en) | Big glue cylinder set lever is to level detecting apparatus | |
| CN206142773U (en) | Lift misoperation prevention device | |
| CN101485521A (en) | Automatic control type multimedia platform and method for realizing the same | |
| US1146883A (en) | Burglar-alarm. | |
| CN206378945U (en) | A kind of intelligent door/window alarm system | |
| CN206558902U (en) | High voltage power distributing cabinet livewire work early warning system | |
| CN205677409U (en) | A kind of safety door switch of electromagnetic force locking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171110 Termination date: 20190617 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |