CN112061925A - Elevator lifting safety device - Google Patents
Elevator lifting safety device Download PDFInfo
- Publication number
- CN112061925A CN112061925A CN202010873613.1A CN202010873613A CN112061925A CN 112061925 A CN112061925 A CN 112061925A CN 202010873613 A CN202010873613 A CN 202010873613A CN 112061925 A CN112061925 A CN 112061925A
- Authority
- CN
- China
- Prior art keywords
- frame
- elevator
- machine room
- room body
- wheel
- 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.)
- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
-
- 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
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
-
- 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
- B66B7/08—Arrangements of ropes or cables for connection to the cars or cages, e.g. couplings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses an elevator lifting safety device which comprises an elevator machine room body, a winding steel rope and sliding shaft frames, wherein the elevator machine room body is arranged between the sliding shaft frames, the bottom surface of the elevator machine room body is provided with a bottom frame, the middle position of the bottom frame is provided with a fixed frame, the top of the bottom frame is provided with a sliding groove frame, the sliding groove frame is positioned at two sides of the fixed frame, a driving top wheel and a friction wheel are arranged below the sliding groove frame through a sliding frame, and top rods are arranged at the upper side and the lower side of the outer sides of the driving top wheel and the friction wheel. Has the advantages that: device simple structure can be when the elevator breaks down, through carrying out friction braking with the slip well frame, and then avoids the condition of collapse to take place, and well frame bottom portion is installed simultaneously and is carried out speed reduction spacing structure to the elevator machine room body, avoids taking place the accident after the elevator falls, sets up the device that the drive elevator machine room body was opened simultaneously, can open the device at suitable floor, and the aspect passenger escapes.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to an elevator lifting safety device.
Background
An elevator is a permanent transport device serving a number of specific floors in a building, the cars of which travel in at least two rigid tracks perpendicular to the horizontal or inclined at an angle of less than 15 ° to the vertical. A fixed elevator apparatus serving a predetermined floor. The vertical lift elevator has a car that runs between at least two vertical rows of rigid guide rails or guide rails with an angle of inclination of less than 15 °. The size and the structural form of the car are convenient for passengers to access or load and unload goods. It is customary to use elevators as a generic term for vertical transport means in buildings, irrespective of their drive mode. Can divide low-speed elevator (below 4 meters per second), quick elevator 4 ~ 12 meters per second) and high-speed elevator (more than 12 meters per second) according to speed, because the prevalence of elevator is higher and higher, the security of elevator just arouses more and more seriously, and current elevator all decelerates through the motor of connecting the steel cable, realizes decelerating, when the incident appears in the elevator, when braking system can't use promptly, the sudden drop can take place for the elevator, and then can take place accident, consequently need further improvement.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide an elevator lifting safety device.
The technical scheme of the invention is realized as follows:
an elevator lifting safety device comprises an elevator machine room body, a winding steel rope and a sliding well frame, wherein the elevator machine room body is arranged between the sliding well frame, a bottom frame is arranged on the bottom surface of the elevator machine room body, a fixing frame is arranged in the middle of the bottom frame, a sliding groove frame is arranged at the top of the bottom frame and is positioned on two sides of the fixing frame, a driving top wheel and a friction wheel are arranged below the sliding groove frame through a sliding frame, ejector rods are respectively arranged on the upper side and the lower side of the outer side of the driving top wheel and the friction wheel, a first compression spring is arranged between the ejector rods and the fixing frame, a first electric expansion part is arranged at the bottom of the bottom frame, the expansion end of the first electric expansion part is positioned between the ejector rods and the first compression springs, a first compression spring is arranged in the bottom frame, and the first compression spring is positioned between the driving top wheel and the, the winding steel rope bypasses the friction wheel and the driving top wheel and penetrates through the speed-limiting guide ring and the fixing frame, the winding steel rope is symmetrically arranged, a transmission gear set is mounted on the rear end face of the driving top wheel, and the winding steel rope is connected with a driving shaft of the transmission gear set;
the top surface of the elevator machine room body is provided with a top frame, one side of the top of the elevator machine room body is provided with a first steel rope winding frame, a first motor is arranged at the top of the steel rope winding frame, a telescopic rod is arranged at the outer side of the steel rope winding frame, a poking piece for driving the elevator machine room body to open is installed at the top of the elevator machine room body, a second rotary folding rod for poking the poking piece is installed on the outer side of the auxiliary steel rope, two groups of guide wheels for guiding the auxiliary steel ropes are mounted on the top frame, balancing weights are hung at the end parts of the auxiliary steel ropes, a first rotary folding rod is mounted on the auxiliary steel rope between the two guide wheels, limiting plates are arranged on the outer side of the top frame, a limiting frame is arranged between the limiting plates, an electric telescopic piece II and a rotary bending bent rod are arranged on the top frame, and the two telescopic ends of the electric telescopic piece are provided with telescopic rods for driving the rotary bending rods to stir the limiting frames to move.
Furthermore, the device further comprises a second steel rope winding frame, the second steel rope winding frame is installed at the top of the sliding hoistway frame, a second motor and a braking structure are installed on the outer side of the second steel rope winding frame, the braking structure is connected with a transmission shaft of the second motor, and a second compression spring and a third electric telescopic piece are installed on the outer side of the braking structure.
Further, the drive apical wheel includes shell and center pin, the shell with carriage fixed connection, it is protruding that the plum blossom is installed in the center pin outside, slidable mounting has the elastic locating circle between the shell, slidable mounting has a plurality of circular of constituteing between the shell the activity arc, install the fixed plate between the shell, the equal slidable mounting in fixed plate both sides surface has a plurality of to pass through the bellied drive of plum blossom will the movable block of activity arc jack-up, the center pin is connected with the output shaft that the drive gear organized.
Furthermore, a speed increaser is arranged on the transmission gear set.
Further, the inboard of slip well frame bottom is provided with the recess, the top surface articulates there is the rotor plate in the recess, the extension board is installed in slip well frame bottom outside, the extension board with install pressure spring three between the rotor plate.
Furthermore, friction plates are arranged on two sides of the bottom frame in the length direction in a sliding mode and connected with the ejector rods.
Furthermore, wear-resisting rings with high roughness are arranged on the outer sides of the friction wheel and the friction plate.
Furthermore, an electric telescopic piece is installed on the limiting plate.
Furthermore, the telescopic rod is a bending rod.
Furthermore, the limiting frame is of an L-shaped structure.
By adopting the technical scheme, the invention has the beneficial effects that: this elevator lift safety device simple structure can be when the elevator breaks down, through carrying out friction braking with the slip well frame, and then avoids the condition of coup de fouet to take place, and well frame bottom portion is installed and is carried out the spacing structure that slows down to the elevator machine room body simultaneously, avoids meeting accident after the elevator falls, sets up the device that the drive elevator machine room body was opened simultaneously, can open the device at suitable floor, and the aspect passenger escapes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the structure of the bottom frame of the elevator machine room body of the invention;
FIG. 2 is an enlarged view of the present invention at FIG. 1A;
FIG. 3 is a schematic view of the drive head wheel configuration of the present invention;
fig. 4 is a schematic view of the construction of the roof of the elevator machine room body of the present invention;
FIG. 5 is a schematic structural view of a second steel rope winding frame of the present invention;
fig. 6 is a schematic view of the structure of the slide shaft frame of the present invention.
The reference numerals are explained below:
1. an electric expansion piece I; 2. a friction plate; 3. driving the top wheel; 301. a quincuncial bulge; 302. a movable block; 303. an elastic positioning ring; 304. a movable arc plate; 305. a fixing plate; 306. a central shaft; 4. an elevator machine room body; 5. winding a steel rope; 6. a top rod; 7. a friction wheel; 701. a wear ring; 8. a chassis; 801. a fixed mount; 9. a first compression spring; 10. a carriage; 11. a sliding slot frame; 12. a speed-limiting guide ring; 13. a guide wheel; 14. a balancing weight; 15. rotating the folding rod I; 16. a limiting frame; 17. turning the bent rod in a rotating way; 18. an auxiliary steel rope; 19. a telescopic rod; 20. a second electric telescopic part; 21. a top frame; 2101. a limiting plate; 22. a first motor; 23. a first steel rope winding frame; 24. rotating the folding rod II; 25. a toggle piece; 26. a second compression spring; 27. an electric telescopic piece III; 28. a second motor; 29. a braking structure; 30. a second steel rope winding frame; 31. a lengthening plate; 32. a rotating plate; 33. a sliding hoistway frame; 3301. a groove; 34. and a third compression spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-6, an elevator lifting safety device comprises an elevator machine room body 4, a winding steel rope 5 and a sliding well frame 33, wherein the elevator machine room body 4 is installed between the sliding well frame 33, a bottom frame 8 is installed on the bottom surface of the elevator machine room body 4, a fixed frame 801 is installed at the middle position of the bottom frame 8, a sliding groove frame 11 is installed at the top of the bottom frame 8, the sliding groove frame 11 is located at two sides of the fixed frame 801, a driving top wheel 3 and a friction wheel 7 are installed below the sliding groove frame 11 through a sliding frame 10, ejector rods 6 are installed at the upper side and the lower side of the outer sides of the driving top wheel 3 and the friction wheel 7, compression springs 9 are installed between the ejector rods 6 and the fixed frame 801, an electric expansion piece 1 is installed at the bottom of the bottom frame 8, the expansion end of the electric expansion piece 1 is located between the ejector rod 6 and the compression springs 9 at the, a compression spring I9 is installed in the underframe 8, the compression spring I9 is located between the driving top wheel 3 and the fixing frame 801, the winding steel ropes 5 pass through the speed-limiting guide ring 12 and the fixing frame 801 by bypassing the friction wheel 7 and the driving top wheel 3, the winding steel ropes 5 are symmetrically arranged, a transmission gear set is installed on the rear end face of the driving top wheel 3, and the winding steel ropes 5 are connected with a driving shaft of the transmission gear set;
the top surface of the elevator machine room body 4 is provided with a top frame 21, one side of the top of the elevator machine room body 4 is provided with a first steel rope winding frame 23, the top of the first steel rope winding frame 23 is provided with a first motor 22, the outer side of the first steel rope winding frame 23 is provided with a telescopic rod 19, the top of the elevator machine room body 4 is provided with a stirring piece 25 for driving the elevator machine room body 4 to be opened, the outer side of the auxiliary steel rope 18 is provided with a second rotary folding rod 24 for stirring the stirring piece 25, the top frame 21 is provided with two groups of guide wheels 13 for guiding the auxiliary steel rope 18, the end part of the auxiliary steel rope 18 is hung with a balancing weight 14, the auxiliary steel rope 18 between the two guide wheels 13 is provided with a first rotary folding rod 15, the outer side of the top frame 21 is provided with a limiting plate 2101, the limiting plate 16 is arranged between the limiting plates 2101, the top frame 21 is provided with a second, and the telescopic end of the second electric telescopic part 20 is provided with a telescopic rod 19 for driving the turning bent rod 17 to shift the limiting frame 16 to move.
In this embodiment, the apparatus further includes a second rope winding frame 30, the second rope winding frame 30 is installed on the top of the sliding shaft frame 33, a second motor 28 and a braking structure 29 are installed outside the second rope winding frame 30, the braking structure 29 is connected to a transmission shaft of the second motor 28, a second compression spring 26 and a third electric expansion piece 27 are installed outside the braking structure 29, when the elevator fails, the braking structure 29 brakes the second motor 28 to stop the second rope winding frame 30 from winding the winding rope 5, the elevator housing 4 is stopped on the sliding shaft frame 33, after the power supply is cut off, the third electric expansion piece 27 is powered off to push the second compression spring 26 to move in a direction close to the braking structure 29 to break the braking structure 29, and at this time, the second rope winding frame 30 releases the winding rope 5 under the action of gravity, and then the elevator machine room body 4 moves downwards on the sliding hoistway frame 33 until the elevator machine room body 4 and the elevator room of the corresponding floor coincide, so that rescue is conveniently implemented.
In this embodiment, the driving top wheel 3 includes a housing and a central shaft 306, the housing is fixedly connected with the sliding frame 10, the outer side of the central shaft 306 is provided with a plum blossom protrusion 301, the housing is provided with an elastic positioning ring 303, the housing is provided with a plurality of movable arc plates 304 which form a circle, the movable arc plates 304 are arranged in a sliding manner, the housing is provided with a fixed plate 305, the surfaces of two sides of the fixed plate 305 are provided with a plurality of movable blocks 302 which are jacked up by the movable arc plates 304 through the driving of the plum blossom protrusion 301, the central shaft 306 is connected with the output shaft of the transmission gear set, the transmission gear set can be driven by the winding steel rope 5 to move, and then the central shaft 306 and the plum blossom protrusion 301 are driven to rotate, because the fixed plate 305 is fixed between the housings, make the plum blossom is protruding 301 along with the rotatory in-process of center pin 306, promote the movable block 302 is in the fixed plate 305 outside slides and then the jacking activity arc 304, makes elastic positioning circle 303 opens, and then through ejector pin 6 with friction pulley 7 top to with the contact of slip well frame 33, when the center pin 306 rotation speed is very fast, can make elastic positioning circle 303 continuously opens.
In this embodiment, a speed increaser is mounted on the transmission gear set.
In this embodiment, slip well frame 33 bottom inboard is provided with recess 3301, the top surface articulates in recess 3301 has rotor plate 32, slip well frame 33 bottom outside is installed and is lengthened board 31, lengthen board 31 with install three 34 of pressure spring between the rotor plate 32, the setting can be so that the elevator machine room body 4 falls to when sliding well frame 33 is bottommost, through overcome rotor plate 32 extrusion three 34 of pressure spring slow down and spacing, and then through putting to one side rotor plate 32 improves the security of elevator machine room body 4 in the well bottom.
In this embodiment, the friction plates 2 are slidably mounted on both sides of the bottom frame 8 in the length direction, the friction plates 2 are connected to the ejector rod 6, and when the friction wheel 7 is pushed up to be in contact with the sliding hoistway frame 33, the friction plates 2 are also pushed up to be in contact with the sliding hoistway frame 33 to assist the friction wheel 7 in rubbing with the sliding hoistway frame 33, so as to decelerate the descent of the elevator machine room body 4.
In this embodiment, the outer sides of the friction wheel 7 and the friction plate 2 are both provided with high-roughness wear-resistant rings 701, so that the friction effect and the service life of the friction wheel 7 and the friction plate 2 are improved.
In this embodiment, the limiting plate 2101 is provided with an electric telescopic element, and the electric telescopic element is normally open and is popped up, so that the limiting frame 16 can be locked, and is normally closed when power is off, so that the limiting of the limiting frame 16 is released.
In this embodiment, the telescopic rod 19 is a bending rod.
In this embodiment, the limiting frame 16 is in an "L" shape.
When the elevator is used, passengers ride the elevator machine room body 4 to move up and down in the sliding hoistway frame 33, and in the process, the second motor 28 drives the second steel rope winding frame 30 to rotate, so that the winding steel ropes 5 are extended or shortened, and driving force is provided for the movement of the elevator machine room body 4; when the elevator breaks down, the moving speed of the elevator machine room body 4 is too high, the moving speed of the winding steel rope 5 is increased, the transmission gear set is driven to rotate at high speed, and then the central shaft 306 and the quincuncial projection 301 are driven to rotate, since the fixing plate 305 is fixed between the housings, the quincunx protrusion 301 is rotated along with the central shaft 306, the movable block 302 is pushed to slide outside the fixed plate 305 to lift the movable arc-shaped plate 304, so that the elastic positioning ring 303 is expanded, thereby pushing up the friction wheel 7 to contact with the slide shaft frame 33 by the jack 6, when the rotating speed of the central shaft 306 is faster, the elastic locating ring 303 is continuously opened and is in contact with the sliding hoistway frame 33, so that the speed of the movement of the elevator machine room body 4 is limited by friction; when the fault degree is high, so that the elevator is powered off, the electric control equipment cannot work, the motor II 28 is powered off, the winding steel rope 5 moves rapidly under the action of the elevator machine room body 4, the speed of the movement of the elevator machine room body 4 is limited through the friction between the friction wheel 7 and the sliding hoistway frame 33, meanwhile, the electric extensible part I1 retracts the extensible baffle, the compression springs I9 at the bottoms of the two sides of the fixing frame 801 press the ejector rods 6 at the bottom, the friction plate 2 is pushed to be in contact with the sliding hoistway frame 33, and the speed of the movement of the elevator machine room body 4 is limited through the friction between the friction plate 2 and the sliding hoistway frame 33; when the elevator fails, the braking structure 29 brakes the motor two 28, so that the steel rope winding frame two 30 stops winding the steel rope 5, the elevator machine room body 4 stops on the sliding hoistway frame 33, after the power supply is cut off, the electric extensible part three 27 is powered off, the compression spring two 26 is pushed to move towards the direction close to the braking structure 29, and then the braking structure 29 is cut off, at the moment, the steel rope winding frame two 30 releases the winding steel rope 5 under the action of gravity, so that the elevator machine room body 4 moves downwards on the sliding hoistway frame 33 until the elevator machine room body 4 is stopped to coincide with the elevator room of the corresponding floor, and rescue is convenient to implement; when the elevator descends to the bottommost part of the sliding shaft frame 33 due to failure, the third compression spring 34 is extruded by overcoming the rotating plate 32 to decelerate and limit, and the safety of the elevator machine room body 4 at the bottom of the shaft is improved by the obliquely arranged rotating plate 32; when the winding steel rope 5 is broken during working, the winding steel rope 5 moves rapidly under the action of the elevator machine room body 4, the movement of the elevator machine room body 4 is limited in speed through the friction between the friction wheel 7 and the sliding hoistway frame 33, meanwhile, the speed-limiting guide ring 12 limits the speed of the winding steel rope 5, and after the winding steel rope 5 is broken, the elevator machine room body 4 can suddenly drop, and at the moment, the speed-limiting guide ring 12 locks the winding steel rope 5, so that the sudden drop condition is avoided, and rescue is facilitated; after the elevator breaks down, the second electric telescopic part 20 is powered off, the telescopic rod 19 extends out, the telescopic rod 19 abuts against the turning bent rod 17 to enable the turning bent rod 17 to rotate, the limiting frame 16 is driven to move in the direction far away from the first rotating folding rod 15 on the limiting plate 2101, the limitation on the first rotating folding rod 15 is removed, the limitation on the auxiliary steel rope 18 is removed, the motor 22 is powered off, the control on the first steel rope winding frame 23 is lost, the auxiliary steel rope 18 on the first steel rope winding frame 23 extends out under the action of the counterweight block 14, the auxiliary steel rope 18 can drive the second rotating folding rod 24 to move, the poking part 25 is poked, the poking part 25 is enabled to open the elevator machine room body 4, and passengers can conveniently escape.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. An elevator lifting safety device is characterized in that: including the elevator machine room body (4), rolling steel cable (5) and slip well frame (33), install elevator machine room body (4) between slip well frame (33), chassis (8) are installed to elevator machine room body (4) bottom surface, mount (801) are installed to chassis (8) intermediate position, slip truss (11) are installed at chassis (8) top, slip truss (11) are located mount (801) both sides, slip truss (11) below is installed through carriage (10) drive crown wheel (3) and friction pulley (7), ejector pin (6) are all installed to both sides about drive crown wheel (3) and friction pulley (7) outside, ejector pin (6) with all install compression spring (9) between mount (801), electronic extensible member (1) is installed to chassis (8) bottom, the telescopic end of the electric telescopic piece I (1) is positioned between the ejector rod (6) and the compression spring I (9) at the lower part, the compression spring I (9) is installed in the underframe (8), the compression spring I (9) is positioned between the driving top wheel (3) and the fixing frame (801), the winding steel rope (5) bypasses the friction wheel (7) and the driving top wheel (3) and penetrates through the speed-limiting guide ring (12) and the fixing frame (801), the winding steel rope (5) is symmetrically arranged, a transmission gear set is installed on the rear end face of the driving top wheel (3), and the winding steel rope (5) is connected with a driving shaft of the transmission gear set;
roof-rack (21) is installed to elevator machine room body (4) top surface, elevator machine room body (4) top one side is installed steel cable rolling frame (23), motor (22) is installed at steel cable rolling frame (23) top, telescopic link (19) are installed in the steel cable rolling frame (23) outside, elevator machine room body (4) top is installed and is used for the drive the piece (25) is dialled that elevator machine room body (4) opened, it is used for stirring to install in the supplementary steel cable (18) outside dial rotatory folding rod two (24) of piece (25), install on roof-rack (21) two sets ofly be used for right guide wheel (13) that supplementary steel cable (18) lead, supplementary steel cable (18) tip hangs down has balancing weight (14), two between guide wheel (13) install rotatory folding rod one (15) on supplementary steel cable (18), limiting plates (2101) are installed in the top frame (21) outside, install spacing (16) between limiting plates (2101), install two (20) of electric telescopic part and rotatory pole (17) of bending on top frame (21), the flexible end of two (20) of electric telescopic part is installed and is used for the drive it stirs to revolve turn pole (17) telescopic link (19) that spacing (16) removed.
2. An elevator lifting safety device according to claim 1, characterized in that: the device further comprises a second steel rope winding frame (30), the second steel rope winding frame (30) is installed at the top of the sliding hoistway frame (33), a second motor (28) and a braking structure (29) are installed on the outer side of the second steel rope winding frame (30), the braking structure (29) is connected with a transmission shaft of the second motor (28), and a second compression spring (26) and a third electric telescopic piece (27) are installed on the outer side of the braking structure (29).
3. An elevator lifting safety device according to claim 1, characterized in that: drive apical wheel (3) include shell and center pin (306), the shell with carriage (10) fixed connection, plum blossom arch (301) are installed in center pin (306) outside, slidable mounting has elastic locating circle (303) between the shell, slidable mounting has a plurality of circular constitutions between the shell activity arc (304), install fixed plate (305) between the shell, the equal slidable mounting in fixed plate (305) both sides surface has a plurality of passes through the drive of the plum blossom arch (301) will the movable block (302) of activity arc (304) jack-up, center pin (306) are connected with the output shaft of drive gear group.
4. An elevator hoist safety device according to claim 3, characterized in that: and a speed increaser is arranged on the transmission gear set.
5. An elevator lifting safety device according to claim 1, characterized in that: slide well frame (33) bottom inboard is provided with recess (3301), the top surface articulates in recess (3301) has rotor plate (32), slide well frame (33) bottom outside is installed and is lengthened board (31), lengthen board (31) with install pressure spring three (34) between rotor plate (32).
6. An elevator lifting safety device according to claim 1, characterized in that: the friction plates (2) are arranged on two sides of the underframe (8) in the length direction in a sliding mode, and the friction plates (2) are connected with the ejector rods (6).
7. An elevator lifting safety device according to claim 1, characterized in that: and wear-resisting rings (701) with high roughness are arranged on the outer sides of the friction wheel (7) and the friction plate (2).
8. An elevator lifting safety device according to claim 1, characterized in that: and the limiting plate (2101) is provided with an electric telescopic piece.
9. An elevator lifting safety device according to claim 1, characterized in that: the telescopic rod (19) is a bending rod.
10. An elevator lifting safety device according to claim 1, characterized in that: the limiting frame (16) is of an L-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010873613.1A CN112061925A (en) | 2020-08-26 | 2020-08-26 | Elevator lifting safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010873613.1A CN112061925A (en) | 2020-08-26 | 2020-08-26 | Elevator lifting safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112061925A true CN112061925A (en) | 2020-12-11 |
Family
ID=73658963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010873613.1A Withdrawn CN112061925A (en) | 2020-08-26 | 2020-08-26 | Elevator lifting safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112061925A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2051622U (en) * | 1988-10-05 | 1990-01-24 | 仲建元 | Hanging type safety device |
| US5183978A (en) * | 1991-04-03 | 1993-02-02 | Otis Elevator Company | Elevator governor rope block actuation in low speed emergency situations |
| JP2000289956A (en) * | 1999-04-02 | 2000-10-17 | Hitachi Building Systems Co Ltd | Landing door device for elevator |
| CN102452599A (en) * | 2010-11-02 | 2012-05-16 | 株式会社日立制作所 | Elevator |
| CN205419395U (en) * | 2016-03-23 | 2016-08-03 | 安徽瑞格电梯服务股份有限公司 | Elevator anti -falling device |
| CN207738262U (en) * | 2018-01-11 | 2018-08-17 | 上海三荣电梯制造有限公司 | A kind of external annular elevator safety gear pulling apparatus |
-
2020
- 2020-08-26 CN CN202010873613.1A patent/CN112061925A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2051622U (en) * | 1988-10-05 | 1990-01-24 | 仲建元 | Hanging type safety device |
| US5183978A (en) * | 1991-04-03 | 1993-02-02 | Otis Elevator Company | Elevator governor rope block actuation in low speed emergency situations |
| JP2000289956A (en) * | 1999-04-02 | 2000-10-17 | Hitachi Building Systems Co Ltd | Landing door device for elevator |
| CN102452599A (en) * | 2010-11-02 | 2012-05-16 | 株式会社日立制作所 | Elevator |
| CN205419395U (en) * | 2016-03-23 | 2016-08-03 | 安徽瑞格电梯服务股份有限公司 | Elevator anti -falling device |
| CN207738262U (en) * | 2018-01-11 | 2018-08-17 | 上海三荣电梯制造有限公司 | A kind of external annular elevator safety gear pulling apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210103229U (en) | Elevator of high security | |
| CN212924024U (en) | Emergency buffer device for elevator | |
| CN108996357B (en) | Elevator mechanical jamming device against out-of-control | |
| CN112456272A (en) | Elevator speed control device | |
| CN112061925A (en) | Elevator lifting safety device | |
| CN115849230A (en) | Anti-falling safety braking device for cabin module lifting | |
| CN101665208A (en) | Counterweight driving traction device of machine room-less elevator | |
| CN113979261A (en) | Self-locking protection type elevator lift | |
| CN212155590U (en) | Elevator brake shoe with abrasion detection function | |
| CN210366474U (en) | Elevator overspeed gliding detection and protection device | |
| CN208454198U (en) | A kind of elevator emergency stop device | |
| CN212425053U (en) | Emergency buffer protection mechanism for elevator | |
| CN110937484A (en) | Communication system for elevator | |
| CN114988248B (en) | Sightseeing elevator for postal wheel | |
| CN213923647U (en) | Vertical lift elevator with protection function | |
| CN219449159U (en) | Elevator traction sheave | |
| CN210795427U (en) | Falling prevention mechanism of vertical lift elevator | |
| CN214768176U (en) | Elevator accessory shaping cutting equipment | |
| CN214114576U (en) | Safety elevator with falling buffer structure | |
| CN214167032U (en) | Anti-falling safety elevator | |
| CN212374648U (en) | Anti-falling mechanism for elevator | |
| CN216807699U (en) | Elevator car with emergency braking device | |
| CN214996440U (en) | Stereo garage lift with rotation function | |
| CN216955559U (en) | Landing door loading impact testing device | |
| CN220618261U (en) | Derailment prevention device for construction elevator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201211 |
|
| WW01 | Invention patent application withdrawn after publication |