CN105236231B - Elevator protection mechanism - Google Patents
Elevator protection mechanism Download PDFInfo
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- CN105236231B CN105236231B CN201510738810.1A CN201510738810A CN105236231B CN 105236231 B CN105236231 B CN 105236231B CN 201510738810 A CN201510738810 A CN 201510738810A CN 105236231 B CN105236231 B CN 105236231B
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- elevator
- arm
- travel switch
- car
- connecting pin
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Abstract
The invention discloses a kind of elevator protection mechanisms, including cranking arm, travel switch, it cranks arm with connecting pin and working end, the wall of connecting pin and floor be rotatablely connected, crank arm and can in the horizontal direction be rotated around connecting pin, when elevator door in opened condition, the working end cranked arm can be gone in car, travel switch is arranged in working end, is provided in the blind area of travel switch cranked arm outside infrared ray light curtain region and rotates, travel switch is connect with elevator power supply.Elevator protection mechanism of the present invention, when elevator door is opened, it cranks arm and slides into car, once there is a phenomenon where drop-ins to rise or fall for elevator, travel switch can then control elevator power supply disconnection in time, car will be lived by crank supports, unexpected generation is reduced in this way, in addition, mechanism installation is simple, it can directly be seen that whether mechanism to user brings a safe handling environment in safe operation.
Description
Technical field
The present invention relates to a kind of protection mechanism more particularly to it is a kind of on the floor wall to prevent passenger into
The elevator protection mechanism that elevator surprisingly lifts when going out.
Background technology
Elevator on the market, which will appear, at present flies up or declines phenomenon, and personal wound is brought to the passenger in car
Evil when personnel pass in and out, if occurring the phenomenon that elevator rises or falls at this time, can give especially when elevator door is opened
Passenger brings great personal injury, and accident is than more serious.
In a Chinese invention patent, which discloses in 2006-11-15, Publication No. CN 1861511
A positions anti-fall device and anti-drop method in the air which disclose a kind of baggage elevator, lift, the both ends connecting rod III respectively with
Holder I and holder II is hinged, and the affixed, other end and one end of connecting rod I and connecting rod are cut with scissors with connecting rod III respectively for one end of two bull sticks
It connects, the other end of connecting rod I and connecting rod is hinged with one end of axis respectively, and the other end of two axis is in and out of the support in support plate respectively
Hole, fork is affixed with connecting rod III and the plug of dead man is matched with the plug of fork.Advantage:First, fundamentally changing goods
Elevator, the aerial positioning method of elevator are transported, realizes baggage elevator, the double insurance that elevator positions in the air；Second is that synchronizing certainly
Control the design of fork double link anti-fall mechanism, not only structure novel, uniqueness, it is simple, practical, safe and reliable and of low cost,
Operability is extremely strong, achieves unexpected economic benefit and social benefit, and it is anti-fall really to solve baggage elevator, lift
The problem fallen.But the patent has the following problems, first, it is complicated, pass through multiple connecting rods, multiple holders and driving lever etc.
It can realize anti-drop function；Second, the supported hole for needing to pass in and out support plate of two axis, so the accurate journey of the installation to support plate
Degree is higher；Third, only mechanical structure is leaned on to carry the power for flying up or declining, bearing capacity is limited；Fourth, passing through multiple transmissions
The linkage of bar, area occupied are larger；Fifth, not intuitive, when the preponderance in car, when having shaking, passenger in car because
It can not see anti-fall device, it is alarmed to will produce.
Invention content
To overcome disadvantages mentioned above, the purpose of the present invention is to provide a kind of structure and relatively simple, area occupied is installed
It is small, elevator protection mechanism more energetically can be carried, which can intuitively be seen by the passenger in car, occur
When unexpected, play the role of pacifying passenger in car.
In order to reach object above, the technical solution adopted by the present invention is：A kind of elevator protection mechanism, including crank arm, go
Cheng Kaiguan, described to crank arm with connecting pin and working end, the wall of the connecting pin and floor rotation connection, described crank arm can be around
Connecting pin rotates in the horizontal direction, when elevator door in opened condition, the working end cranked arm can be gone in car, the stroke
Switch is arranged in working end, is provided in the blind area of travel switch cranked arm outside infrared ray light curtain region and rotates, the stroke
Switch is connect with elevator power supply.The invention has the advantages that first, simple in structure, the connecting pin cranked arm is rotatably arranged on wall
On body, the working end cranked arm can then be slid into car by the effect of external force or other driving forces, when accident occurs, be cranked arm
The bearing capacity that support car can be provided, is provided in the blind area of travel switch cranked arm outside infrared ray light curtain region, i.e.,
The pivot region cranked arm works outside infrared ray light curtain region, after being arranged in this way, the included formation infrared ray elevator light of elevator door
Curtain region will not because sense the working end cranked arm in car without close elevator door, ensure that the normally-open of elevator door with
It closes；Second, the car can be carried due to cranking arm only to need to enter in car, then dissolves car and occur under occurring when accident
Drop or the power risen, when installation is cranked arm, it is only necessary to ensure that the working end cranked arm can slide into car, it is easy for installation；Its
Three, travel switch is installed, when accident occurs, car touches travel switch, then control elevator power supply can be switched by the trip
Whole power-off, traction steel-cable hold car, share some bearing capacities to cranking arm, which can carry remaining heavy
Amount；Fourth, area occupied is small；Fifth, when elevator door is opened every time, crank arm into after car, the passenger in car will produce certainly
I pacifies psychology, reduces the misgivings of passenger.
Preferably, elevator protection mechanism includes connector, and the connector includes connecting shaft and two pieces of support plates, described
Two pieces of support plates are fixedly mounted on wall, and two pieces of support plates are correspondingly arranged up and down and parallel with horizontal plane, the company
Spindle be fixedly installed between two pieces of support plates and and horizontal plane, the connecting pin cranked arm is provided with moves towards logical up and down
Hole, the connecting shaft pass through the through-hole.The connecting pin cranked arm is rotated around connecting shaft, simple in structure, easy for installation.
It is the wall and to be provided with to act between cranking arm to crank arm and turn to car as a further improvement on the present invention
Interior actuator.Actuator is cranked arm to drive automatically into car, and passenger is convenient, laborsaving without the push-in car that will crank arm.
Preferably, the actuator be torque spring, the torque spring have be set in the spring ring in connecting shaft with
And two toggles being arranged at spring ring both ends, two toggles correspond to up and down and parallel with horizontal plane, the spring ring
And two toggles, in the U-typed shape being open towards elevator door, the end of one of toggle is connect with support plate, another
The end of a toggle is connect with the connecting pin cranked arm.Using torque spring, when elevator door is closed, two toggle stroke folders
Angle generates elastic force, once elevator door is closed, toggle resets, and forces the working end cranked arm to slide into car, does not influence elevator
Normal operation has the advantages that simple in structure, replacement is convenient, at low cost using torque spring.
It is that the end set of the working end of cranking arm has idler wheel as a further improvement on the present invention.Idler wheel is convenient for cranking arm
Working end is slided on the elevator door closed or opened, and reduces the frictional force cranked arm with the elevator door closed,
The rotation cranked arm is more smooth.
Preferably, two horizon bars parallel and curvilinear with horizontal plane cranked arm including being mutually parallel and
One is correspondingly arranged up and down with the vertical bar of horizontal plane, two horizon bars, the both ends of the vertical bar respectively with water
The working end of flat bar is fixedly connected, and there are two the travel switch settings, the level that one of travel switch is arranged above
The top of bar, the bottom for the horizon bar that another travel switch is disposed below.Using two horizon bars and a vertical bar
Composition is cranked arm, and is had the following advantages：First, the structure cranked arm is more secured, passenger passes in and out car and occurs after door-opened elevator
When lifting is unexpected, the enough support forces of car can be given；It is both provided with second, being arranged on two horizon bars on two horizon bars
Travel switch can play the role of disconnecting elevator power supply when two kinds of accidents of lifting occur for elevator.
Preferably, the support forced position of the vertical bar upper end and the support forced position of lower end are both provided with reinforcement
Muscle.The setting of reinforcing rib can provide support force to car.
Preferably, the reinforcing rib triangular shape.The reinforcing rib structure of triangle is simple, can provide larger support
Power.
Description of the drawings
Fig. 1 be the present embodiment floor wall on the stereogram of elevator protection mechanism is installed；
Fig. 2 is the partial enlarged view at A in Fig. 1；
Fig. 3 is the vertical view that elevator door is closed in the present embodiment；
Fig. 4 is the vertical view that elevator door is in the open state in the present embodiment；
Fig. 5 is the front view that elevator door is closed in the present embodiment；
Fig. 6 is the partial enlarged view at B in Fig. 5；
Fig. 7 is the partial enlarged view at B ' in Fig. 6；
Fig. 8 is the front view that elevator door is in the open state in the present embodiment；
Fig. 9 is the partial enlarged view at C in Fig. 8.
In figure：10- cranks arm；11- horizon bars；12- vertical bars；13- reinforcing ribs；20- idler wheels；30- connectors；31- is supported
Plate；32- connecting shafts；40- torque springs；41- toggles；42- spring rings；50- travel switches；60- cars；70- walls；80-
Elevator door.
Specific implementation mode
The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Shown in attached drawing 1-9, a kind of elevator protection mechanism of the present embodiment includes 10, travel switch 50 of cranking arm, such as Fig. 2
Shown, cranking arm 10 there is connecting pin a and working end b, the wall 70 of connecting pin a and floor to be rotatablely connected, and cranking arm 10 can be around connection
End a is rotated in the horizontal direction, as shown in Fig. 4,8, when elevator door 80 in opened condition, the 10 working end b of cranking arm can go to car
In 60, as shown in Fig. 2, travel switch 50 is arranged in working end b, after ensureing that elevator protection mechanism enters car 60, not shadow
The normal switching-off for ringing elevator door 80 is then provided in 10 blind area outside infrared ray light curtain region of cranking arm of travel switch 50 and turns
It is dynamic, i.e., it is rotated outside infrared ray light curtain region.Travel switch 50 is connect with elevator power supply, and travel switch 50 is whole to control elevator
The break-make of body power supply.When specifically installing the elevator protection mechanism, which is mounted on each floor and corresponds to electricity
On the wall 70 of the left and right sides of terraced door 80, infrared ray light curtain region has nobody to enter elevator, infrared ray light curtain area to incude
Domain is located at the vertical direction of the closure of elevator door 80.
Wherein, the rotation connection of the wall 70 of connecting pin a and floor is realized by connector 30, such as the institute of Fig. 2,7,9
Show, which includes connecting shaft 32 and two pieces of support plates 31, and two pieces of support plates 31 are fixedly mounted on wall 70, two pieces
About 31 support plate is correspondingly arranged and parallel with horizontal plane, connecting shaft 32 be fixedly installed between two pieces of support plates 31 and with level
Face is vertical, and the 10 connecting pin a of cranking arm is provided with the through-hole moved towards up and down, and connecting shaft 32 passes through through-hole, and cranking arm 10 can be around connecting pin a
The connecting shaft 32 at place rotates, and due to connecting shaft 32 and horizontal plane, then crank arm 10 horizontally rotates around connecting shaft 32.
After the opening of elevator door 80, passenger can be about to crank arm in 10 push-in lift cars 60 certainly.It is of course also possible to will not be bent
Arm 10 is pushed into car 60, specifically sees the demand of passenger.
And in order to increase the automatic performance of the elevator protection mechanism, it can install to act on and crank arm in 10 steering cars 60
Actuator, which may be used cylinder and more connecting rods, cylinder pass through the transmission of more connecting rods as power
10 rotations of cranking arm are controlled, but the cost of such actuator is higher and complicated.
The present embodiment considers factor simple in structure, easy for installation, and the actuator used is torque spring 40, such as Fig. 7
Shown, torque spring 40 has the spring ring 42 being set in connecting shaft 32 and two torsions being arranged at 42 both ends of spring ring
The arm of force 41, two about 41 toggles are corresponding and parallel with horizontal plane, and spring ring 42 and two toggles 41 are in opening court
To the U-typed shape of elevator door 80, the end of one of toggle 41 is connect with support plate 31, the end of another toggle 41
10 connecting pin a is connect with cranking arm.When torque spring 40 is in nature, two toggles 41 are respectively positioned on the same of spring ring 42
Side, the angle between two toggles 41 is smaller, or even 0 °.Correspondingly, the support being connect with two toggles 41
It plate 31 and cranks arm and then forms smaller angle between 10 or without angle, at this point, the 10 working end b of cranking arm slides into car 60.Just
The direction that 10 close to elevator door 80 of cranking arm can be forced to rotate in the elevator door 80 of closing, the angle between two toggles 41 becomes
Greatly, and generate elastic force, at this point, the 10 working end b of cranking arm acts on the outer surface of elevator door 80, do not influence car 60 rising or
Decline.After car 60 reaches the floor, after the elevator door 80 closed originally is again turned on, cranking arm 10 is no longer influenced by resistance,
Elastic force release between two toggles 41,10 resets of cranking arm are cranked arm in 10 working end b slide-in cars 60, again to car 60
Secondary offer support force.
It 10 is slided on elevator door 80 for the ease of cranking arm, then the end set for the 10 working end b that crank arm has idler wheel 20, to
Reduce the frictional force cranked arm between 10 working end b and elevator door 80.
In order to improve crank arm 10 support force, then 12 upper end of vertical bar support forced position and lower end support stress
Position is both provided with reinforcing rib 13.The support forced position of 12 upper end of vertical bar is horizon bar 11 above and 12 upper end of vertical bar
The support forced position of the position being connected, 12 lower end of vertical bar is what following horizon bar 11 was connected with 12 lower end of vertical bar
Position.Wherein, various shapes may be used in reinforcing rib 13, as shown in fig. 6,13 triangular shape of reinforcing rib of the present embodiment, is adopted
With the reinforcing rib 13 of triangle, compact structure, while also there is larger support force.
In order to ensure the secured of 10 structures of cranking arm, as shown in Figure 1, cranking arm for the present embodiment 10 includes be mutually parallel two
The horizon bar 11 parallel and curvilinear with horizontal plane and one and the vertical bar 12 of horizontal plane, two horizon bars 11
It is correspondingly arranged up and down, there are two the settings of travel switch 50, the top for the horizon bar 11 that one of travel switch 50 is arranged above
Portion, the bottom for the horizon bar 11 that another travel switch 50 is disposed below.When there is the accident declined in car, water above
Travel switch 50 on flat bar 11 controls elevator power supply and closes；When the accident risen occurs in car 60, car 60 is encountered following
Horizon bar 11 on travel switch 50, the trip switch 50 control elevator power supply close.
The technical concepts and features of embodiment of above only to illustrate the invention, its object is to allow be familiar with technique
People understands present disclosure and is implemented, and it is not intended to limit the scope of the present invention, all according to spirit of that invention
The equivalent change or modification that essence is done should all cover within the scope of the present invention.
Claims (6)
1. a kind of elevator protection mechanism, including crank arm (10), travel switch (50), it is described crank arm (10) with connecting pin (a) and
Working end (b), crank arm (10) can in the horizontal direction be rotated around connecting pin (a), and travel switch (50) setting is working
It holds (b), is provided in the blind area of (10) outside infrared ray light curtain region of cranking arm of travel switch (50) and rotates, the travel switch
(50) it is connect with elevator power supply, the connecting pin (a) and the wall (70) of floor are rotatablely connected, when elevator door (80) is in open shape
State, the working end (b) for cranking arm (10) can be gone in car (60), it is characterised in that：Described crank arm (10) include mutually flat
The vertical bar (12) of the horizon bar (11) parallel and curvilinear with horizontal plane of capable two and one and horizontal plane,
Two horizon bars (11) are correspondingly arranged up and down, the both ends of the vertical bar (12) working end with horizon bar (11) respectively
(b) it is fixedly connected, there are two travel switch (50) settings, the horizon bar that one of travel switch (50) is arranged above
(11) top, the bottom for the horizon bar (11) that another travel switch (50) is disposed below；Vertical bar (12) upper end
Support forced position and the support forced position of lower end be both provided with reinforcing rib (13).
2. elevator protection mechanism according to claim 1, it is characterised in that：It is described crank arm (10) by connector (30) with
Wall (70) connects, and the connector (30) includes connecting shaft (32) and two pieces of support plates (31), two pieces of support plates
(31) it is fixedly mounted on wall (70), is correspondingly arranged above and below two pieces of support plates (31) and parallel with horizontal plane, it is described
Connecting shaft (32) is fixedly installed between two pieces of support plates (31) and is set with horizontal plane, the connecting pin (a) for cranking arm (10)
It is equipped with the through-hole moved towards up and down, the connecting shaft (32) passes through the through-hole.
3. elevator protection mechanism according to claim 2, it is characterised in that：The wall (70) and cranking arm sets between (10)
It is equipped with to act on the actuator cranked arm in (10) steering car (60).
4. elevator protection mechanism according to claim 3, it is characterised in that：The actuator is torque spring (40), institute
Stating torque spring (40) has the spring ring (42) being set in connecting shaft (32) and two settings at spring ring (42) both ends
Toggle (41), two toggles (41) are corresponding and parallel with horizontal plane up and down, the spring ring (42) and two torsions
In opening towards the U-typed shape of elevator door (80), end and the support plate (31) of one of toggle (41) connect the arm of force (41)
It connects, the end of another toggle (41) is connect with the connecting pin (a) of (10) of cranking arm.
5. the elevator protection mechanism according to any one of claim 1-4, it is characterised in that：Described (10) work of cranking arm
The end set for making end (b) has idler wheel (20).
6. elevator protection mechanism according to claim 1, it is characterised in that：Reinforcing rib (13) triangular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510738810.1A CN105236231B (en) | 2015-11-03 | 2015-11-03 | Elevator protection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510738810.1A CN105236231B (en) | 2015-11-03 | 2015-11-03 | Elevator protection mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105236231A CN105236231A (en) | 2016-01-13 |
| CN105236231B true CN105236231B (en) | 2018-10-26 |
Family
ID=55034127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510738810.1A Active CN105236231B (en) | 2015-11-03 | 2015-11-03 | Elevator protection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105236231B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105905723B (en) * | 2016-06-01 | 2016-12-14 | 田苗一 | A kind of elevator safety control system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5015599A (en) * | 1998-09-28 | 2000-03-30 | Inventio Ag | Emergency release device |
| CN1861511A (en) * | 2006-06-18 | 2006-11-15 | 杭州西子起重机械有限公司 | Falling preventing apparatus and method of elevator for goods |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE60125990T2 (en) * | 2001-05-30 | 2007-10-25 | Mitsubishi Denki K.K. | ELEVATOR AND RELATED DEVICE FOR LIMITING THE CABIN MOVEMENT |
| JP5030156B2 (en) * | 2007-10-12 | 2012-09-19 | 東芝エレベータ株式会社 | Elevator cab maintenance system |
| CN203474148U (en) * | 2013-08-01 | 2014-03-12 | 孙凯 | Safety device capable of preventing elevator car from falling |
| JP5800936B2 (en) * | 2014-03-10 | 2015-10-28 | 東芝エレベータ株式会社 | Elevator door open travel prevention device |
| CN205114745U (en) * | 2015-11-03 | 2016-03-30 | 陈帅 | Elevator protection machanism |
-
2015
- 2015-11-03 CN CN201510738810.1A patent/CN105236231B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5015599A (en) * | 1998-09-28 | 2000-03-30 | Inventio Ag | Emergency release device |
| CN1861511A (en) * | 2006-06-18 | 2006-11-15 | 杭州西子起重机械有限公司 | Falling preventing apparatus and method of elevator for goods |
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| Publication number | Publication date |
|---|---|
| CN105236231A (en) | 2016-01-13 |
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Effective date of registration: 20201229 Address after: 215300 room 2501, building 1, 198 middle Changjiang Road, Kunshan Development Zone, Suzhou City, Jiangsu Province Patentee after: Suzhou Pucheng Supply Chain Management Co.,Ltd. Address before: 226300 no.1511, group 15, Hengxing village, beixingqiao Town, Tongzhou City, Nantong City, Jiangsu Province Patentee before: Chen Shuai |
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