CN113860116B - Emergency drop prevention safety device for elevator - Google Patents
Emergency drop prevention safety device for elevator Download PDFInfo
- Publication number
- CN113860116B CN113860116B CN202111253807.2A CN202111253807A CN113860116B CN 113860116 B CN113860116 B CN 113860116B CN 202111253807 A CN202111253807 A CN 202111253807A CN 113860116 B CN113860116 B CN 113860116B
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- Prior art keywords
- emergency brake
- elevator
- emergency
- falling
- energy storage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/26—Positively-acting devices, e.g. latches, knives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/12—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of rope or cable slack
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention relates to the technical field of elevator safety, and provides an emergency falling prevention safety device for an elevator, which comprises a car arranged in an elevator shaft; the top of the lift car is hung on the traction rope; emergency brake components are respectively arranged on the two outer side walls of the lift car; an anti-falling groove matched with the emergency brake assembly is formed in the wall of the elevator shaft; the emergency brake component comprises a support shaft fixedly connected to the outer side wall of the car; two emergency brake rods which are mutually crossed are rotatably connected on the supporting shaft in a penetrating way; two ends of each emergency brake rod are fixedly connected with an emergency brake plug respectively; a quick-opening spring is clamped between the two emergency brake plugs on the same side; two side walls of the anti-falling groove are provided with anti-falling holes. Therefore, emergency brake assemblies are arranged on two sides of the lift car, and anti-falling grooves are formed in the wall of the lift shaft; when the sudden situation that the traction rope loses power or breaks occurs, the quick-opening spring of the emergency brake assembly expands outwards, the two emergency brake rods are opened quickly, the emergency brake plug is inserted into the anti-falling hole nearby, the falling of the lift car is avoided, and the personal safety of passengers is ensured.
Description
Technical Field
The invention belongs to the technical field of elevator safety, and particularly relates to an emergency falling prevention safety device for an elevator.
Background
With the development of economy, high-rise buildings are more and more, and elevators are widely used.
The safety of the elevator during use is a primary consideration. In various elevator accidents, the rapid falling of the lift car after losing power has the greatest damage to passengers. The light people are injured and the heavy people are dead, so that a device for preventing the lift car from falling down rapidly in an emergency condition is needed to be developed so as to ensure the personal safety of elevator passengers.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
Disclosure of Invention
Aiming at the defects, the invention aims to provide an emergency drop prevention safety device for an elevator, wherein emergency brake assemblies are arranged on two sides of a car, and an anti-falling groove is formed in the wall of an elevator shaft; when the sudden situation that the traction rope loses power or is broken occurs, the quick-opening spring of the emergency brake assembly is expanded, the two emergency brake rods are quickly opened, and the emergency brake plug is inserted into the anti-falling hole nearby, so that the falling of the lift car is avoided, and the personal safety of passengers is ensured.
In order to achieve the above object, the present invention provides an elevator safety device against falling down, comprising a car disposed in an elevator shaft; the top of the lift car is hung on the traction rope; emergency brake components are respectively arranged on the two outer side walls of the car; an anti-falling groove matched with the emergency brake assembly is formed in the wall of the elevator shaft;
the top of the lift car is also provided with a fixed pulley; a first pull rope is lapped on the fixed pulley; one end of the first pull rope is connected with the emergency brake assembly, and the other end of the first pull rope is directly or indirectly connected with the traction rope;
the emergency brake assembly comprises a support shaft fixedly connected to the outer side wall of the car; two emergency brake rods which are mutually crossed are rotatably connected to the supporting shaft in a penetrating manner; two ends of each emergency brake rod are fixedly connected with an emergency brake plug respectively; a quick-opening spring is clamped between the two emergency brake plugs positioned on the same side; two emergency brake plugs positioned at the upper part are both connected with a first pull rope by a rope;
and a plurality of anti-falling holes for inserting an emergency brake plug are formed in two side walls of the anti-falling groove.
According to the elevator emergency drop prevention safety device, the end part of the supporting shaft is provided with the top wall ball, and the top wall ball abuts against the bottom of the drop prevention groove.
According to the elevator emergency drop prevention safety device, the emergency brake plug is provided with the anti-drop rod, and the anti-drop hole is correspondingly provided with the anti-drop pit.
According to the emergency drop prevention safety device for the elevator, the first pull rope is connected with the energy storage assembly, the energy storage assembly is connected with the second pull rope, and the second pull rope is connected with the traction rope; the energy storage assembly comprises an energy storage barrel; one end of the energy storage cylinder is open, and the other end of the energy storage cylinder is provided with a sealing cover; a sliding column movably connected with the sealing cover in a penetrating way is arranged in the energy storage cylinder; one end of the sliding column is provided with a movable plate, and the other end of the sliding column is connected with a second pull rope; the movable plate is connected with a first pull rope; the sliding column is further sleeved with an energy storage spring clamped between the movable plate and the sealing cover.
According to the emergency drop prevention safety device for the elevator, the part of the sliding column, which extends out of the energy storage cylinder, is provided with the anti-return ring.
According to the elevator emergency drop prevention safety device, one end of the sliding column, which is connected with the second pull rope, is provided with the rope fastening buckle.
The invention aims to provide an emergency drop prevention safety device for an elevator, wherein emergency brake assemblies are arranged on two sides of a lift car, and an anti-falling groove is formed in the wall of an elevator shaft; when the sudden situation that the traction rope loses power or breaks occurs, the quick-opening spring of the emergency brake assembly expands outwards, the two emergency brake rods are opened quickly, the emergency brake plug is inserted into the anti-falling hole nearby, the falling of the lift car is avoided, and the personal safety of passengers is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a portion of the area of FIG. 1;
FIG. 3 is a schematic view of the structure in the direction B of FIG. 2;
FIG. 4 is a schematic view of the operation in the direction B of FIG. 2;
FIG. 5 is a schematic view of the structure of the area A in FIG. 2;
FIG. 6 is a schematic diagram of the operation of area A in FIG. 2;
in the figure: 1-a car, 11-a traction rope, 12-a fixed pulley, 13-a first pull rope, 14-a support shaft and 141-a top wall ball bearing; 15-emergency brake rod, 16-emergency brake plug, 161-quick-opening spring and 162-anti-drop rod; 17-a second draw cord; 2-anti-falling groove, 21-anti-falling hole and 22-anti-falling pit; 3-energy storage cylinder, 31-sliding column, 311-rope fastening buckle, 312-check ring; 32-energy storage spring, 33-movable plate; 100-elevator shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description of the specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Referring to fig. 1, the present invention provides an elevator emergency drop prevention safety device including a car 1 disposed in an elevator shaft 100; the top of the car 1 is hung on a traction rope 11; emergency brake components are respectively arranged on the two outer side walls of the car 1; the wall of the elevator shaft 100 is provided with an anti-falling groove 2 matched with the emergency brake assembly;
the traction rope 11 is connected with a power unit and used for driving the lift car 1 to ascend and descend.
Referring to fig. 2, the top of the car 1 is also provided with a fixed pulley 12; a first pull rope 13 is lapped on the fixed pulley 12; one end of the first pull rope 13 is connected with the emergency brake component, and the other end of the first pull rope is directly or indirectly connected with the traction rope 11;
with reference to fig. 3, the emergency brake assembly includes a support shaft 14 fixedly connected to the outer side wall of the car 1; two emergency brake rods 15 which are mutually crossed are rotatably connected to the supporting shaft 14 in a penetrating manner; two ends of each emergency brake rod 15 are fixedly connected with an emergency brake plug 16 respectively; a quick-opening spring 161 is clamped between the two emergency brake plugs 16 positioned on the same side; two emergency brake plugs 16 positioned at the upper part are both connected with a first pull rope 13 by ropes;
two side walls of the anti-falling groove 2 are provided with a plurality of anti-falling holes 21 for inserting the emergency brake plug 16;
under the working condition that the elevator normally runs, the lift car 1 is basically in a constant speed or slow acceleration and deceleration state in the ascending and descending processes, so that the first pull rope 13 is stressed stably, and is always in a tight state; furthermore, the two emergency brake levers 15 are closed, the quick-opening spring 161 is compressed, and the emergency brake plug 16 is located outside the fall preventing hole 21 and does not interfere with the lifting of the car 1.
Furthermore, the end part of the supporting shaft 14 is provided with a top wall ball 141, the top wall ball 141 is propped against the bottom of the anti-falling groove 2, so that the shaking of the lift car 1 in the lifting process is reduced, and meanwhile, the emergency brake plug 16 can keep a state of being right opposite to the anti-falling hole 21 in the moving process, so that the anti-falling hole 21 can be smoothly inserted in the emergency situation.
Referring to fig. 4, when a sudden situation occurs, the pulling rope 11 loses power or breaks, so that the pulling force applied to the first pulling rope 13 suddenly drops. At this time, the quick-opening spring 161 is expanded due to the loss of restraint, the two emergency brake rods 15 are quickly opened, and the emergency brake plug 16 is inserted into the anti-falling hole 21, so that the falling of the car 1 is avoided, and the personal safety of passengers is ensured.
To facilitate smooth opening of the two emergency brake levers 15, one end of the quick-opening spring 161 is fixed to one emergency brake plug 16 and the other end abuts against the other emergency brake plug 16.
Preferably, the emergency brake plug 16 is provided with an anti-falling rod 162, and the anti-falling hole 21 is correspondingly provided with an anti-falling pit 22; the emergency brake plug 16 enters the anti-falling hole 21, and the anti-falling rod 162 is inserted into the anti-falling pit 22 to prevent the emergency brake plug 16 from falling off the anti-falling hole 21.
As an example, referring to fig. 5, the first pull rope 13 is connected with an energy storage assembly, the energy storage assembly is connected with a second pull rope 17, and the second pull rope 17 is connected with the traction rope 11; the energy storage assembly comprises an energy storage barrel 3; one end of the energy storage cylinder 3 is open, and the other end of the energy storage cylinder is provided with a sealing cover; a sliding column 31 movably connected with a sealing cover in a penetrating way is arranged in the energy storage cylinder 3; one end of the sliding column 31 is provided with a movable plate 33, and the other end is connected with a second pull rope 17; the movable plate 33 is connected with the first pull rope 13; the sliding column 31 is also sleeved with an energy storage spring 32 clamped between the movable plate 33 and the sealing cover;
when the car 1 runs stably, the energy storage spring 32 is in a contraction state;
referring to fig. 6, when the sudden condition occurs, the second pull rope 17 is loosened, the energy storage spring 32 rebounds rapidly, and the first pull rope 13 is loosened rapidly, so that the two emergency brake levers 15 are opened rapidly.
Preferably, the part of the sliding column 31 extending out of the energy storage cylinder 3 is provided with a check ring 312; further, a rope fastening button 311 is provided at one end of the sliding column 31 connected to the second rope 17.
In conclusion, the invention provides an emergency drop prevention safety device for an elevator, wherein emergency brake assemblies are arranged on two sides of a car, and an anti-falling groove is formed in the wall of an elevator shaft; when the sudden situation that the traction rope loses power or breaks occurs, the quick-opening spring of the emergency brake assembly expands outwards, the two emergency brake rods are opened quickly, the emergency brake plug is inserted into the anti-falling hole nearby, the falling of the lift car is avoided, and the personal safety of passengers is ensured.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. An elevator emergency drop prevention safety device is characterized by comprising a car (1) arranged in an elevator shaft (100); the top of the lift car (1) is hung and connected on a traction rope (11); emergency brake components are respectively arranged on the two outer side walls of the car (1); the wall of the elevator shaft (100) is provided with an anti-falling groove (2) matched with the emergency brake assembly;
the top of the cage (1) is also provided with a fixed pulley (12); a first pull rope (13) is lapped on the fixed pulley (12); one end of the first pull rope (13) is connected with the emergency brake component, and the other end of the first pull rope is directly or indirectly connected with the traction rope (11);
the emergency brake component comprises a supporting shaft (14) fixedly connected to the outer side wall of the car (1); two emergency brake rods (15) which are arranged in a cross mode are rotatably connected to the supporting shaft (14) in a penetrating mode; two ends of each emergency brake rod (15) are fixedly connected with an emergency brake plug (16) respectively; a quick-opening spring is clamped between the two emergency brake plugs (16) positioned on the same side; two emergency brake plugs (16) positioned at the upper part are both connected with a first pull rope (13) by a rope;
two side walls of the anti-falling groove (2) are provided with a plurality of anti-falling holes (21) for inserting the emergency brake plug (16).
2. The elevator emergency drop prevention safety device according to claim 1, wherein the end of the support shaft (14) is provided with a top wall ball (141), and the top wall ball (141) abuts against the bottom of the drop prevention groove (2).
3. The elevator emergency drop prevention safety device according to claim 1, wherein the emergency brake plug (16) is provided with an anti-drop rod (162), and an anti-drop pit (22) is correspondingly arranged in the anti-drop hole (21).
4. The elevator emergency drop prevention safety device according to any one of claims 1 to 3, wherein the first pull rope (13) is connected with an energy storage component, the energy storage component is connected with a second pull rope (17), and the second pull rope (17) is connected with the traction rope (11); the energy storage assembly comprises an energy storage barrel (3); one end of the energy storage cylinder (3) is open, and the other end of the energy storage cylinder is provided with a sealing cover; a sliding column (31) movably connected with the sealing cover in a penetrating way is arranged in the energy storage cylinder (3); one end of the sliding column (31) is provided with a movable plate (33), and the other end of the sliding column is connected with a second pull rope (17); the movable plate (33) is connected with a first pull rope (13); the sliding column (31) is also sleeved with an energy storage spring (32) clamped between the movable plate (33) and the sealing cover.
5. Elevator emergency drop prevention safety device according to claim 4, characterized in that the part of the sliding column (31) extending out of the energy storage cylinder (3) is provided with a stop ring (312).
6. The elevator emergency drop prevention safety device according to claim 4, wherein a rope fastening button (311) is provided at one end of the sliding column (31) connected to the second rope (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111253807.2A CN113860116B (en) | 2021-10-27 | 2021-10-27 | Emergency drop prevention safety device for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111253807.2A CN113860116B (en) | 2021-10-27 | 2021-10-27 | Emergency drop prevention safety device for elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113860116A CN113860116A (en) | 2021-12-31 |
| CN113860116B true CN113860116B (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111253807.2A Active CN113860116B (en) | 2021-10-27 | 2021-10-27 | Emergency drop prevention safety device for elevator |
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| CN (1) | CN113860116B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205132809U (en) * | 2015-11-27 | 2016-04-06 | 田玉岐 | Prevent that elevator car weighs down well device |
| CN207226724U (en) * | 2017-09-11 | 2018-04-13 | 康达电梯有限公司 | It is a kind of that there is the elevator for subtracting fall device |
| CN207226732U (en) * | 2017-09-11 | 2018-04-13 | 康达电梯有限公司 | A kind of elevator with anti-fall device |
| CN108249251B (en) * | 2018-01-16 | 2019-06-28 | 何洋洋 | A kind of fall-preventing protection device for vertical lift lifting |
| CN208166318U (en) * | 2018-05-02 | 2018-11-30 | 西安特种设备检验检测院 | A kind of elevator anti-fall device |
| CN209161251U (en) * | 2018-10-17 | 2019-07-26 | 巴中职业技术学院 | A kind of anti-fall mechanism for building |
| CN212740296U (en) * | 2020-07-28 | 2021-03-19 | 安徽春江重工科技有限公司 | Construction is with preventing people goods elevator that falls |
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2021
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| CN113860116A (en) | 2021-12-31 |
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