CN112225032A - Automatic brake device that elevator was prevented falling - Google Patents
Automatic brake device that elevator was prevented falling Download PDFInfo
- Publication number
- CN112225032A CN112225032A CN202010944902.6A CN202010944902A CN112225032A CN 112225032 A CN112225032 A CN 112225032A CN 202010944902 A CN202010944902 A CN 202010944902A CN 112225032 A CN112225032 A CN 112225032A
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- hanging
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- frame
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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
- 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
- B66B5/20—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 by means of rotatable eccentrically-mounted members
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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
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/284—Buffer-stops for cars, cages, or skips mounted on cars or counterweights
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses an automatic brake device for preventing an elevator from falling, wherein a hanging wheel carrier is arranged on an upper beam, two Y-shaped hanging rods are arranged on the hanging wheel carrier, a hanging spring is sleeved on the Y-shaped hanging rods below the upper beam, and the bottom ends of the two Y-shaped hanging rods are connected with a disc hanging block; the car brake device comprises a U-shaped brake frame and brake shoes, two side rods of the U-shaped brake frame are installed on the top of the car in a limiting mode through a plurality of guide sleeves, the brake shoes are respectively arranged at two ends of the U-shaped brake frame, brake eccentric wheels are arranged on the brake shoes, baffle rings are arranged on two side rods of the U-shaped brake frame, a frame spring is sleeved on the side rod between each baffle ring and the corresponding inner side guide sleeve, and arc-shaped press blocks matched with the ring surfaces of the disc hanging blocks are arranged on the bottom rods of the U-shaped brake frame; the guide sleeve on the inner side corresponding to the baffle ring is provided with a fixed pulley, one end of the stay cord is arranged and connected to the upper end part of the hanging wheel carrier, and the other end of the stay cord penetrates through the fixed pulley and is connected to the baffle ring.
Description
Technical Field
The invention relates to the technical field of installation and protection equipment of an elevator, in particular to an anti-falling automatic brake device of the elevator.
Background
The elevator anti-falling device is an indispensable safety device of an elevator and is mainly used for preventing an elevator car from falling out of control and falling off when a rope is broken. The existing elevator safety gear device acts to enable the rope clamping gear to clamp the speed limiter rope through the action of the speed limiter, the speed limiter rope pulls the safety gear link mechanism along with the downward running of the car, the safety gear link mechanism acts to drive the safety gear braking element to be in contact with the guide rail, and the safety gears on two sides of the guide rail are simultaneously clamped on the guide rail to achieve the braking of the car.
The elevator safety gear device is a safety device which emergently stops a car and clamps the car on a guide rail under the operation of a speed limiter when the speed of an elevator exceeds the set limit speed of the speed limiter of the elevator or in the case of breakage and looseness of a suspension rope. Although the existing elevator is basically provided with a speed limiter and a safety gear, the falling accident of the elevator still happens occasionally, because when the elevator falls, the safety gear needs the trigger control of a speed limiter to start, and the safety gear stops the elevator car on a guide rail which is hung in the elevator shaft, and under the condition of impact, the guide rail is easy to deform to cause brake failure.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an automatic brake device for preventing falling of an elevator, which solves the problems that the existing elevator falling-preventing device is complex in structure and high in maintenance cost, a plurality of mechanisms are required to be matched with each other when a safety accident occurs, and each mechanism can be normally used to realize braking.
The invention is realized by the following technical scheme:
an automatic brake device for preventing falling of an elevator comprises a lift car, wherein a bottom beam is arranged at the bottom side of the lift car, stand columns connected with the bottom beam are arranged at two sides of the lift car, an upper beam connected with the two stand columns is arranged at the top of the lift car, a hanging wheel carrier is arranged on the upper beam, two Y-shaped hanging rods arranged on the hanging wheel carrier are movably inserted in the middle of the upper beam, hanging springs are sleeved on the Y-shaped hanging rods below the upper beam, and the bottom ends of the two Y-shaped hanging rods are connected with a disc hanging block;
the car brake device is symmetrically arranged on two sides of the top of the car, the car brake device comprises a U-shaped brake frame and brake shoes, two side rods of the U-shaped brake frame are installed on the top of the car in a limiting mode through a plurality of guide sleeves, the two ends of the U-shaped brake frame are respectively provided with the brake shoes, brake eccentric wheels are arranged on the brake shoes, baffle rings are arranged on two side rods of the U-shaped brake frame, a frame spring is sleeved on the side rods between the baffle rings and the guide sleeves corresponding to the inner sides, the U-shaped brake frame can move towards the outer side of the car under the action of the elastic force of the frame spring, the brake eccentric wheels on the brake shoes are extruded on the side wall of the elevator shaft, and arc-shaped press blocks matched with the annular surfaces of the disc hanging blocks;
the guide sleeve on the inner side corresponding to the baffle ring is provided with a fixed pulley, one end of the stay cord is arranged and connected to the upper end part of the hanging wheel carrier, and the other end of the stay cord penetrates through the fixed pulley and is connected to the baffle ring.
Further, the brake shoe includes grudging post piece, crossbearer piece, brake eccentric wheel, rolling gear and connecting gear, grudging post piece medial surface is connected on the end of U-shaped brake frame, is equipped with many crossbearer pieces on the grudging post piece lateral surface, the end of crossbearer piece is equipped with the eccentric wheel mounting groove, the brake eccentric wheel passes through the eccentric shaft and installs in the eccentric wheel mounting groove, and rolling gear is installed respectively at eccentric shaft both ends, installs connecting gear through the gear shaft on the grudging post piece at two crossbearer piece middle parts, connecting gear is connected with the rolling gear meshing on the two crossbearer pieces that correspond.
Furthermore, the ring surface of the brake eccentric wheel is provided with a friction rack.
Furthermore, the hanging wheel carrier comprises Y-shaped hanging rods, a disc hanging block, hanging springs, pulleys and a connecting plate, the two Y-shaped hanging rods are movably inserted in the middle of the upper beam, the hanging springs are sleeved on the Y-shaped hanging rods below the upper beam, and the bottom ends of the two Y-shaped hanging rods are connected to the disc hanging block; pulleys are arranged in the notches of the two Y-shaped hanging rods through rotating shafts, and the two sides of the two Y-shaped hanging rods are connected through connecting plates.
Furthermore, the side of the disc hanging block is provided with two counter bores, the bottom ends of the two Y-shaped hanging rods are correspondingly connected to the bottoms of the counter bores, and when the hanging wheel carrier is in a lifting state, the hanging spring is stored in the counter bores.
Furthermore, the bottom edge of the disc hanging block is subjected to fillet treatment, and the corresponding upper edge of the inner ring of the arc-shaped pressing block is also subjected to arc treatment.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the invention relates to an automatic brake device for preventing falling of an elevator, which adopts two car brake devices which are limited and installed at the top of a car, wherein the car brake devices are provided with brake shoes which can be in frictional contact with the side wall of an elevator shaft;
once the cage falls, the dragging rope for controlling the cage is loosened, the pulling force of the dragging rope on the hanging wheel frame is reduced, if the dragging rope is broken, no pulling force is generated on the hanging wheel frame, under the action of the elastic force of the hanging spring and the weight of the disc hanging block, the hanging wheel frame moves downwards, the hanging spring extends, meanwhile, the pulling rope tensioned by the hanging wheel frame is loosened, two pieces of cage braking devices are limited and installed on the top of the cage, the cage braking devices move towards two sides under the extrusion action of the frame spring and the disc hanging block on the arc-shaped pressing block, the braking eccentric wheel set provided with the braking shoes on the cage braking devices can be in frictional contact with the side wall of the elevator shaft, at the moment, the disc hanging block is clamped between the two arc-shaped pressing blocks, so that the two pieces of the disc hanging block can not retract under the larger extrusion of the cage, and the braking eccentric wheel set rotates after the friction of the side wall of, the braking eccentric wheel set can be rapidly propped against the side wall of the elevator shaft, so that the elevator car stops falling.
2. The invention relates to an automatic brake device for preventing falling of an elevator, wherein a plurality of brake eccentric wheels are arranged on a brake shoe and are in transmission connection with each other through a rotating gear and a connecting gear, so that when one brake eccentric wheel rotates, a plurality of brake eccentric wheels on one set of brake shoe rotate synchronously, the friction force can be greatly increased, the brake efficiency is improved, furthermore, the brake shoe adopts the brake design of a plurality of brake eccentric wheels, when the brake eccentric wheel is in friction contact with the side wall of an elevator shaft, the elevator car cannot stop falling immediately, a buffer force is consumed, the brake equipment cannot be damaged under the action of strong impact force, and the conventional safety tongs are too urgent to brake, so that the guide rail is easy to deform, and the brake tongs are easy to damage.
3. The invention relates to an automatic brake device for preventing falling of an elevator, wherein the triggering of a car brake device is started through a hanging wheel carrier, in the subsequent elevator maintenance process, as long as a motor pulls a traction rope to enable the hanging wheel carrier to bear force again, the brake can be automatically released, and the car brake device is reset along with the hanging wheel carrier.
4. The automatic brake device for preventing the elevator from falling has a simple structure, is convenient to overhaul for the elevator which needs frequent overhaul and high-light operation, can greatly reduce the working strength of workers, does not need to greatly improve a lift car in installation and use, and is convenient to install.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural view of an automatic braking device for preventing falling of an elevator in a main view when a car operates normally;
FIG. 2 is an enlarged view of a portion of FIG. 1 according to the present invention;
FIG. 3 is a schematic structural diagram of an elevator anti-falling automatic braking device in a top view during normal operation of a car;
FIG. 4 is an enlarged view of a portion of FIG. 3 according to the present invention;
FIG. 5 is a schematic structural view of an automatic braking device for preventing falling of an elevator in a braking state;
FIG. 6 is a partially enlarged schematic view of FIG. 5 according to the present invention;
FIG. 7 is a schematic view of the construction of the Y-shaped boom of the present invention;
FIG. 8 is a schematic structural view of the brake shoe of the present invention;
FIG. 9 is a schematic structural view of a disc hanger of the present invention;
reference numbers and corresponding part names in the drawings:
1-car, 2-bottom beam, 3-column, 4-upper beam, 5-hanging wheel carrier, 6-Y-shaped suspension rod, 7-hanging spring, 8-disc hanging block, 9-car brake device, 10-U-shaped brake frame, 11-brake shoe, 12-guide sleeve, 13-brake eccentric wheel, 14-baffle ring, 15-frame spring, 16-elevator shaft, 17-arc-shaped press block, 18-fixed pulley, 19-pull rope, 20-vertical frame block, 21-transverse frame block, 22-rotating gear, 23-connecting gear, 24-eccentric wheel mounting groove, 25-eccentric wheel shaft, 26-gear shaft, 27-pulley, 28-connecting plate, 29-counter bore and 30-pulling rope.
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 examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 1 to 9, the automatic braking device for preventing falling of an elevator of the present invention comprises a car 1, a bottom beam 2 is arranged at the bottom side of the cage 1, upright posts 3 connected with the bottom beam 2 are arranged at the two sides of the cage 1, an upper beam 4 connected with the two upright posts 3 is arranged at the top of the cage 1, the bottom beam 2, the upright posts 3 and the upper beam 4 form a frame structure of the cage 1, the car 1 and the upper beam 4 are both of the existing structure, the hanging wheel carrier 5 is arranged on the upper beam 4, the existing hanging wheel carrier 5 is fixedly arranged on the upper beam 4, the invention creatively improves the hanging wheel carrier into the structure which can move up and down on the upper beam 4, the structural strength is not affected, two Y-shaped hanging rods 6 arranged on the hanging wheel carrier 5 are movably inserted in the middle of the upper beam 4, hanging springs 7 are sleeved on the Y-shaped hanging rods 6 below the upper beam 4, and the bottom ends of the two Y-shaped hanging rods 6 are connected with a disc hanging block 8; when the cage 1 normally runs, the hanging wheel frame 5 is always in a tensioned state, the hanging spring 7 on the hanging wheel frame 5 is also in a compressed state, and the hanging spring 7 is stored in the counter bore 29 of the disc hanging block 8.
Top bilateral symmetry is equipped with car brake equipment 9 on car 1, car brake equipment 9 includes U-shaped brake frame 10 and brake boots 11, both sides pole 11 of U-shaped brake frame 10 is spacing to be installed on car 1 top through many uide bushing 12, adopts two uide bushings 12 in the embodiment, makes U-shaped brake frame 10 only can remove about, uide bushing 12 must adopt the high strength to connect, when car brake equipment 9 brakes, the gravity of car 1 all is through uide bushing 12 conduction, the structure of U-shaped brake frame 10 can adopt square pipe or pipe, intensity all can bear car 1 impact gravity than, the both ends head of U-shaped brake frame 10 is equipped with brake boots 11 respectively, be equipped with brake eccentric wheel 13 on brake boots 11, all be equipped with fender ring 14 on the both sides pole of U-shaped brake frame 10, the cover is equipped with frame spring 15 on fender ring 14 and the side pole 11 that corresponds between the inboard uide bushing 12, the U-shaped brake frame 10 can move towards the outer side of the lift car 1 under the elastic action of a frame spring 15, so that a brake eccentric wheel 13 on a brake shoe 11 is extruded on the side wall of an elevator shaft 16, and an arc-shaped pressing block 17 which is in annular surface fit with the disc hanging block 8 is arranged on a bottom rod of the U-shaped brake frame 10; the elevator shaft 16 of the present invention must be bricked or poured, and the steel frame is not suitable for use with the emergency brake of the present invention.
The guide sleeve 12 on the inner side corresponding to the baffle ring 14 is provided with a fixed pulley 18, one end of a pull rope 19 is arranged and connected with the upper end part of the hanging wheel frame 5, and the other end of the pull rope 19 penetrates through the fixed pulley 18 and is connected with the baffle ring 14.
The invention relates to an automatic brake device for preventing falling of an elevator, which adopts two car brake devices 9 which are limited and arranged at the top of a car 1, wherein the car brake devices 9 are provided with brake shoes 11 which can be in frictional contact with the side wall of an elevator shaft 16, under the condition that the car 1 normally runs, a hanging wheel frame 5 is always in a tensioning state, a hanging spring 7 on the hanging wheel frame 5 is also in a compression state, and the hanging wheel frame 5 simultaneously tensions the car brake devices through a stay cord 19 to be in the compression state, so that under the condition that the car 1 normally runs, a brake eccentric wheel 13 on the brake shoes 11 is in a state of being separated from the side wall of the elevator shaft 16;
once the cage 1 falls, the dragging rope 30 for controlling the cage 1 is loosened, the pulling force of the dragging rope 30 on the hanging wheel frame 5 is reduced, if the dragging rope 30 is broken, no pulling force is provided for the hanging wheel frame 5, under the action of the elastic force of the hanging spring 7 and the weight of the disc hanging block 8, the hanging wheel frame 5 moves downwards, the hanging spring 7 extends, meanwhile, the pulling rope 19 tensioned by the hanging wheel frame 5 is also loosened, the two pieces of cage braking devices 9 are limitedly arranged at the top of the cage 1, the two pieces of cage braking devices 9 move towards two sides under the extrusion action of the disc hanging block 8 on the arc pressing block 17, the braking eccentric wheel 13 group provided with the braking shoes 11 on the cage braking devices 9 is in frictional contact with the side wall of the elevator shaft 16, at the moment, the disc hanging block 8 is clamped between the two arc pressing blocks 17, so that the two pieces of the cage 1 can not retract under the larger extrusion by limiting arrangement, the braking eccentric wheels 13 rotate after the friction of the side wall of the elevator shaft 16, and the braking eccentric wheels 13 rapidly push against the side wall of the elevator shaft 16, so that the car 1 stops falling.
Example 2
As shown in fig. 1-9, the automatic brake device for preventing falling of elevator of the present invention, on the basis of the above-mentioned embodiments, the brake shoe 11 comprises a vertical frame block 20, a transverse frame block 21, a brake eccentric wheel 13, a rotating gear 22 and a connecting gear 23, the inner side surface of the vertical frame block 20 is connected to the end head of the U-shaped brake frame 10, a reinforcing rib is preferably welded at the connecting position of the inner side surface of the vertical frame block 20 and the end head of the U-shaped brake frame 10, three transverse frame blocks 21 are arranged on the outer side surface of the vertical frame block 20, the end of the transverse frame block 21 is provided with an eccentric wheel mounting groove 24, the brake eccentric wheel 13 is mounted in the eccentric wheel mounting groove 24 through an eccentric wheel shaft 25, two ends of the eccentric wheel shaft 25 are respectively provided with a rotating gear 22, the upright frame block 20 in the middle of the two transverse frame blocks 21 is provided with a connecting gear 23 through a gear shaft 26, the connecting gear 23 is meshed with the rotating gear 22 on the two corresponding cross frame blocks 21. The ring surface of the brake eccentric wheel 13 is provided with a friction rack. The friction force between the brake eccentric wheel 13 and the side wall of the elevator shaft 16 is increased, and the braking efficiency is improved.
The invention relates to an automatic brake device for preventing falling of an elevator, wherein a plurality of brake eccentric wheels 13 are designed on a brake shoe 11, and the plurality of brake eccentric wheels 13 are mutually connected through a rotating gear 22 and a connecting gear 23 in a transmission manner, so that when one brake eccentric wheel 13 rotates, a plurality of brake eccentric wheels 13 on one set of brake shoe 11 synchronously rotate, thereby greatly increasing the friction force and improving the brake efficiency, moreover, the brake shoe 11 adopts the brake design of a plurality of brake eccentric wheels 13, when the brake eccentric wheel 13 is in friction contact with the side wall of an elevator shaft 16, the car 1 cannot immediately stop falling, so that a buffer memory force is consumed, the brake equipment cannot be damaged under the action of strong impact force, and the conventional safety tongs are too urgent to brake, easily cause guide rail deformation and brake tongs damage.
Under the 1 normal operating condition of car, brake eccentric wheel 13 is in the flagging state through self action of gravity, even the braking condition appears, contracts the back at car brake equipment 9, and brake eccentric wheel 13 still can resume to be in the flagging state through self action of gravity, waits for next brake to use.
Example 3
As shown in fig. 1-9, the automatic brake device for preventing falling of an elevator of the present invention comprises, on the basis of the above embodiment, a hanging wheel carrier 5 comprising a Y-shaped hanger bar 6, a disc hanger block 8, a hanging spring 7, a pulley 27 and a connecting plate 28, wherein two Y-shaped hanger bars 6 are movably inserted in the middle of an upper beam 4, the hanging spring 7 is sleeved on the Y-shaped hanger bar 6 below the upper beam 4, and the bottom ends of the two Y-shaped hanger bars 6 are connected to the disc hanger block 8; pulleys 27 are arranged in the notches of the two Y-shaped suspenders 6 through rotating shafts, the two sides of the two Y-shaped suspenders 6 are connected through connecting plates 28, and the tops of the two Y-shaped suspenders 6 can be connected with a connecting steel plate for reinforcement. A dragging rope 30 is arranged on the two pulleys 27 in a penetrating way and controls the lifting of the cage 1 through a motor.
The upper side surface of the disc hanging block 8 is provided with two counter bores 29, the bottom ends of the two Y-shaped hanging rods 6 are correspondingly connected to the bottom of the counter bores 29, and when the hanging wheel frame 5 is in a lifting state, the hanging springs 7 are stored in the counter bores 29. The round angle processing is carried out to the disk hanging block 8 bottom corner, and the corner also goes out the circular arc processing on the corresponding arc briquetting 17 inner ring, and the round angle processing is convenient for the disk hanging block 8 to insert in the ring that two arc briquetting 17 constitute. The hanging wheel carrier 5 is a core component of the invention, and the triggering and the releasing of the whole set of braking device are realized by the hanging wheel carrier 5. Once the car 1 falls at a high speed, the dragging rope 30 of the elevator inevitably loses the lifting control force on the car 1, the first time the dragging rope 30 loses the lifting control force on the car 1 is the hanging wheel frame 5, the hanging wheel frame 5 retracts to the lower part of the upper beam 4 rapidly under the elastic action of the hanging spring 7 and the frame spring 15, and therefore the car brake device 9 is triggered to operate.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides an automatic braking device that elevator was prevented falling, includes car (1), is equipped with floorbar (2) in the bottom side of car (1), and car (1) both sides are equipped with stand (3) of being connected with floorbar (2), and car (1) top is equipped with upper beam (4) of being connected with two stand (3), its characterized in that: a hanging wheel carrier (5) is arranged on the upper beam (4), two Y-shaped hanging rods (6) arranged on the hanging wheel carrier (5) are movably inserted in the middle of the upper beam (4), hanging springs (7) are sleeved on the Y-shaped hanging rods (6) below the upper beam (4), and the bottom ends of the two Y-shaped hanging rods (6) are connected with a disc hanging block (8);
top bilateral symmetry is equipped with car brake equipment (9) on car (1), car brake equipment (9) are including U-shaped brake frame (10) and brake boots (11), both sides pole (11) of U-shaped brake frame (10) are spacing to be installed on car (1) top through many uide bushing (12), and the both ends head of U-shaped brake frame (10) is equipped with brake boots (11) respectively, be equipped with brake eccentric wheel (13) on brake boots (11), all be equipped with fender ring (14) on the both sides pole of U-shaped brake frame (10), the cover is equipped with frame spring (15) on side pole (11) between fender ring (14) and the uide bushing (12) that corresponds the inboard, can make U-shaped brake frame (10) move to car (1) outside through the elastic force of frame spring (15), makes brake eccentric wheel (13) on brake eccentric wheel (11) extrude on elevartor shaft (16) lateral wall, an arc-shaped pressing block (17) which is matched with the circular ring of the disc hanging block (8) is arranged on the bottom rod of the U-shaped brake frame (10);
a fixed pulley (18) is arranged on the guide sleeve (12) on the inner side of the baffle ring (14), one end of a pull rope (19) is arranged and connected with the upper end part of the hanging wheel carrier (5), and the other end of the pull rope (19) penetrates through the fixed pulley (18) and is connected with the baffle ring (14).
2. The automatic braking device for preventing the falling of the elevator as claimed in claim 1, wherein: brake boots (11) are including founding piece (20), crossbearer piece (21), braking eccentric wheel (13), rotating gear (22) and connecting gear (23), founding piece (20) medial surface is connected on the end of U-shaped brake frame (10), is equipped with many crossbearer pieces (21) on founding piece (20) lateral surface, the end of crossbearer piece (21) is equipped with eccentric wheel mounting groove (24), install in eccentric wheel mounting groove (24) braking eccentric wheel (13) through eccentric wheel axle (25), and rotating gear (22) are installed respectively to eccentric wheel axle (25) both ends, installs connecting gear (23) through gear shaft (26) on the founding piece (20) at two crossbearer piece (21) middle parts, connecting gear (23) and rotating gear (22) meshing connection on the two crossbearer pieces (21) that correspond.
3. The automatic braking device for preventing the falling of the elevator as claimed in claim 2, wherein: and a friction rack is arranged on the ring surface of the brake eccentric wheel (13).
4. The automatic braking device for preventing the falling of the elevator as claimed in claim 1, wherein: the hanging wheel carrier (5) comprises Y-shaped hanging rods (6), a disc hanging block (8), hanging springs (7), pulleys (27) and a connecting plate (28), the two Y-shaped hanging rods (6) are movably inserted in the middle of the upper beam (4), the Y-shaped hanging rods (6) below the upper beam (4) are sleeved with the hanging springs (7), and the bottom ends of the two Y-shaped hanging rods (6) are connected to the disc hanging block (8); pulleys (27) are arranged in the notches of the two Y-shaped hanging rods (6) through rotating shafts, and the two sides of the two Y-shaped hanging rods (6) are connected through connecting plates (28).
5. The automatic braking device for preventing falling of an elevator as claimed in claim 4, wherein: the disc hanging block (8) is provided with two counter bores (29) on the upper side, the bottom ends of the two Y-shaped hanging rods (6) are correspondingly connected to the bottoms of the counter bores (29), and when the hanging wheel frame (5) is in a lifting state, the hanging spring (7) is stored in the counter bore (29).
6. The automatic braking device for preventing the falling of the elevator as claimed in claim 1, wherein: and the bottom corners of the disc hanging blocks (8) are rounded, and the corresponding corners on the inner ring of the arc pressing blocks (17) are also rounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010944902.6A CN112225032A (en) | 2020-09-10 | 2020-09-10 | Automatic brake device that elevator was prevented falling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010944902.6A CN112225032A (en) | 2020-09-10 | 2020-09-10 | Automatic brake device that elevator was prevented falling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112225032A true CN112225032A (en) | 2021-01-15 |
Family
ID=74116156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010944902.6A Withdrawn CN112225032A (en) | 2020-09-10 | 2020-09-10 | Automatic brake device that elevator was prevented falling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112225032A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113003342A (en) * | 2021-02-22 | 2021-06-22 | 福建省特种设备检验研究院泉州分院 | Elevator multi-parameter detection emergency braking device based on embedded technology |
| CN113353758A (en) * | 2021-05-19 | 2021-09-07 | 重庆市华创电梯部件有限公司 | Anti-drop's elevator car structure |
| CN114148853A (en) * | 2021-12-07 | 2022-03-08 | 深圳市优旭科技有限公司 | Anti-falling elevator structure with talkback function and method |
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| CN206692169U (en) * | 2017-05-08 | 2017-12-01 | 湖南德力通电梯有限公司 | A kind of fall arrest elevator |
| CN206783052U (en) * | 2017-05-11 | 2017-12-22 | 山东科技大学 | A kind of residential lift lift car anti-falling device |
| CN109110610A (en) * | 2018-10-16 | 2019-01-01 | 苏州福特美福电梯有限公司 | A kind of device for preventing elevator from falling |
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- 2020-09-10 CN CN202010944902.6A patent/CN112225032A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206692169U (en) * | 2017-05-08 | 2017-12-01 | 湖南德力通电梯有限公司 | A kind of fall arrest elevator |
| CN206783052U (en) * | 2017-05-11 | 2017-12-22 | 山东科技大学 | A kind of residential lift lift car anti-falling device |
| CN109110610A (en) * | 2018-10-16 | 2019-01-01 | 苏州福特美福电梯有限公司 | A kind of device for preventing elevator from falling |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113003342A (en) * | 2021-02-22 | 2021-06-22 | 福建省特种设备检验研究院泉州分院 | Elevator multi-parameter detection emergency braking device based on embedded technology |
| CN113353758A (en) * | 2021-05-19 | 2021-09-07 | 重庆市华创电梯部件有限公司 | Anti-drop's elevator car structure |
| CN113353758B (en) * | 2021-05-19 | 2022-07-01 | 重庆市华创电梯部件有限公司 | Anti-drop's elevator car structure |
| CN114148853A (en) * | 2021-12-07 | 2022-03-08 | 深圳市优旭科技有限公司 | Anti-falling elevator structure with talkback function and method |
| CN114148853B (en) * | 2021-12-07 | 2022-08-09 | 深圳市优旭科技有限公司 | Anti-falling elevator structure with talkback function and method |
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