CN214087213U - Elevator falling prevention device - Google Patents
Elevator falling prevention device Download PDFInfo
- Publication number
- CN214087213U CN214087213U CN202023287073.3U CN202023287073U CN214087213U CN 214087213 U CN214087213 U CN 214087213U CN 202023287073 U CN202023287073 U CN 202023287073U CN 214087213 U CN214087213 U CN 214087213U
- Authority
- CN
- China
- Prior art keywords
- elevator
- block
- wedge
- box
- elevator car
- 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.)
- Active
Links
- 230000002265 prevention Effects 0.000 title description 2
- 230000002159 abnormal effect Effects 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Landscapes
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model discloses an elevator anti-falling device, which is arranged on the side wall of an elevator car and comprises a supporting block, a wedge block box, a friction block for braking the elevator car through friction with an elevator guide rail, a pushing mechanism for pushing the friction block to move towards the elevator guide rail and a rotary driving mechanism for driving the pushing mechanism to move; the supporting block is positioned in the elevator car and fixedly installed on the side wall of the elevator car for supporting the rotary driving mechanism, one end of the rotary driving mechanism is positioned in the elevator car, and the other end of the rotary driving mechanism penetrates through the supporting block and then extends into the wedge block box and is in sliding connection with one end of the pushing mechanism; the wedge box is fixedly arranged in a cage body of the elevator cage. The utility model discloses can be under the unusual operational aspect of elevator by taking the elevator personnel at the inside certain torque that applys of elevator car for the device slows down the elevator until stopping through the frictional force with the elevator guide rail, sends relevant elevator unusual operation SMS to relevant personnel simultaneously.
Description
Technical Field
The utility model relates to a lift safety device especially relates to an elevator anti-falling device.
Background
The elevator is normally always running at a certain speed. According to design requirements, when the running speed of the elevator exceeds a set running speed, the speed limiter is triggered to work, and the speed limiter steel wire enables the elevator safety tongs to act through the elevator safety tongs lifting mechanism, so that the elevator car is decelerated until the elevator car stops.
The existing elevator speed limiter safety gear system is a mechanical transmission system, wherein a plurality of rotating pairs exist. If the elevator is in the use at ordinary times, maintenance is not in place, and these revolute pairs can rust, lead to whole system's transmission failure even, can not effectual messenger's elevator stop when the elevator falls, have certain potential safety hazard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough among the above-mentioned prior art, provide an elevator anti-falling device, it can be under the unusual operational aspect of elevator by taking the elevator personnel at the inside certain torque that applys of elevator car for the device slows down the elevator through the frictional force with the elevator guide rail and until stopping, sends relevant elevator unusual operation SMS to relevant personnel simultaneously.
In order to achieve the above object, the utility model adopts the following technical scheme: an elevator anti-falling device, its characterized in that: the elevator anti-falling device is arranged on the side wall of an elevator car and comprises a supporting block, a wedge block box, a friction block, a pushing mechanism and a rotary driving mechanism, wherein the friction block is used for braking the elevator car through friction with an elevator guide rail, the pushing mechanism is used for pushing the friction block to move towards the elevator guide rail, and the rotary driving mechanism is used for driving the pushing mechanism to move; the elevator car is characterized in that the number of the elevator guide rails is two, and the two elevator guide rails have the same structure and are respectively and vertically fixed on wall bodies at the left side and the right side outside the elevator car for the elevator car to slide up and down along the elevator car; the supporting block is positioned in the elevator car and is fixedly arranged on the side wall of the elevator car for supporting the rotary driving mechanism; one end of the rotary driving mechanism is positioned in the elevator car, and the other end of the rotary driving mechanism penetrates through the supporting block and then extends into the wedge block box and is in sliding connection with one end of the pushing mechanism; the appearance of voussoir case is the cuboid structure, voussoir case fixed mounting is in elevator car's railway carriage or compartment body, pushing mechanism's one end is located the voussoir incasement and can laminate the inner wall slip of voussoir case, pushing mechanism's the other end and clutch blocks fixed connection.
Foretell elevator anti-falling device, its characterized in that: the elevator anti-falling device also comprises a microprocessor, a speed measuring module for monitoring the running speed of the elevator in real time, a GSM module for sending a short message when the running speed of the elevator is abnormal, and an alarm module for giving an audible alarm, wherein the speed measuring module is fixedly arranged on the inner wall of the top of the elevator shaft, and the alarm module is arranged in the elevator car; the microprocessor is connected with the speed measuring module and is used for receiving the elevator running speed signal input by the speed measuring module and judging whether the received elevator running speed is abnormal or not; the GSM module is connected with the microprocessor and used for receiving the short message sending signal output by the microprocessor; the alarm module is connected with the microprocessor and used for receiving the alarm signal output by the microprocessor.
The elevator anti-falling device is characterized in that the rotary driving mechanism comprises a lead screw with one end being in a round platform structure and a rotary table fixed at the other end of the lead screw, the rotary table is located in an elevator car, one end of the round platform structure of the lead screw penetrates through a supporting block and then extends into a wedge block box, and the lead screw is in threaded connection with the supporting block.
Foretell elevator anti-falling device, its characterized in that: the included angle between the generatrix of the circular truncated cone structure and the central axis is 30 degrees.
Foretell elevator anti-falling device, its characterized in that: the wedge block box is characterized in that two symmetrically arranged inclined planes are arranged on the inner wall of one end, close to the screw rod, of the wedge block box, and each inclined plane is provided with a protruding block.
Foretell elevator anti-falling device, its characterized in that: the pushing mechanism comprises wedge blocks, sliding blocks and connecting blocks, the wedge blocks are located in a wedge block box, the number of the wedge blocks is two, the shapes and the structures of the two wedge blocks are the same, and one side of each wedge block is provided with an arc surface matched with the side surface of the circular truncated cone structure on the lead screw, so that the wedge blocks can be attached to the side surfaces and can relatively slide along the axial direction of the lead screw; each wedge-shaped surface is provided with a wedge-shaped surface matched with the inclined surface so that the wedge-shaped block is attached to the inclined surface, and each wedge-shaped surface is provided with a groove matched with the protruding block so that the wedge-shaped block can slide along the length direction of the protruding block; the two wedge blocks are attached to one side of the sliding block, so that the two wedge blocks can push the sliding block to be attached to the inner wall of the wedge block box to slide while moving, and the sliding block is arranged in the wedge block box; one end of the connecting block is fixedly connected with the other side of the sliding block, and the other end of the connecting block is fixedly connected with one side of the friction block.
Foretell elevator anti-falling device, its characterized in that: the elevator anti-falling device further comprises a conical pin arranged at the top of the supporting block, one end of the conical pin is clamped into a thread groove of the lead screw to fix the lead screw, and the conical pin is in clearance fit with the supporting block.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses simple structure, reasonable in design will the utility model discloses combine together with current elevator safety tongs technique, can effectively reduce the emergence probability of elevator accident.
2. The utility model discloses the clutch blocks rubs with elevator guide rail relative motion when the braking, realizes continuously slowing down to the elevator and stops under the effect of frictional force, has given when increasing the security and has taken certain spontaneous operating space of elevator personnel.
3. The utility model discloses the GSM module that sets up can send the SMS to elevator person in charge and maintenance personal make the elevator in time obtain the maintenance when the elevator abnormal operation, has further guaranteed the safe in utilization of elevator.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic structural diagram of the present invention during non-braking.
Fig. 4 is a schematic structural diagram of the present invention during braking.
Fig. 5 is a perspective schematic view of the position relationship of the screw, the wedge and the wedge box of the present invention.
Fig. 6 is a schematic perspective view of the wedge of the present invention.
Fig. 7 is a schematic perspective view of the wedge box of the present invention.
Fig. 8 is a circuit control block diagram of the present invention.
Description of reference numerals:
1, a wall body; 2-elevator guide rails; 3-elevator car;
4, rotating the disc; 5, supporting blocks; 6, a lead screw;
7-wedge box; 8-wedge block; 9-a friction block;
10, connecting blocks; 11 — a slider; 12-an elevator shaft;
13-a speed measuring module; 14-a GSM module; 15-a microprocessor;
16-a bevel; 17-a bump; 18-arc surface;
19-side; 20-wedge surface; 21, a groove;
22-taper pin; 23-an alarm module; 24-a handle.
Detailed Description
As shown in fig. 1 to 4, the anti-falling device for elevator is arranged on the side wall of the elevator car 3, and comprises a supporting block 5, a wedge box 7, a friction block 9 for braking the elevator car 3 by friction with the elevator guide rail 2, a pushing mechanism for pushing the friction block 9 to move towards the elevator guide rail 2, and a rotary driving mechanism for driving the pushing mechanism to move; the number of the elevator guide rails 2 is two, and the two elevator guide rails 2 are identical in structure and are respectively vertically fixed on the wall bodies 1 at the left side and the right side outside the elevator car 3 for the elevator car 3 to slide up and down along the elevator car; the supporting block 5 is positioned in the elevator car 3 and is fixedly arranged on the side wall of the elevator car 3 for supporting the rotary driving mechanism; one end of the rotary driving mechanism is positioned in the elevator car 3, and the other end of the rotary driving mechanism penetrates through the supporting block 5 and then extends into the wedge block box 7 and is in sliding connection with one end of the pushing mechanism; the wedge box 7 is of a cuboid structure, the wedge box 7 is fixedly mounted in a compartment body of the elevator car 3, one end of the pushing mechanism is located in the wedge box 7 and can slide along the inner wall of the wedge box 7, and the other end of the pushing mechanism is fixedly connected with the friction block 9.
As shown in fig. 1 and 8, the elevator anti-falling device further comprises a microprocessor 15, a speed measuring module 13 for monitoring the running speed of the elevator in real time, a GSM module 14 for sending a short message when the running speed of the elevator is abnormal, and an alarm module 23 for giving an audible alarm, wherein the speed measuring module 13 is fixedly installed on the inner wall of the top of the elevator shaft 12, and the alarm module 23 is installed in the elevator car 3; the GSM module 14 and the microprocessor 15 are both located in the existing elevator control box. The speed measuring module 13 is a laser velocimeter, and the microprocessor 15 is a 32-bit embedded processor based on ARM Cortex-M kernel STM32 series, and is connected with the speed measuring module 13 and used for receiving an elevator running speed signal input by the speed measuring module 13 and judging whether the received elevator running speed is abnormal or not; the GSM module 14 adopts a JB35GD module, and is connected with the microprocessor 15 for receiving the short message sending signal output by the microprocessor 15; the alarm module 23 is connected with the microprocessor 15 for receiving the alarm signal output by the microprocessor 15.
The utility model discloses mainly constitute by circuit control module and two parts of mechanical braking for elevator electric power system closes as an organic wholely with manual operation, and module 13 real-time supervision elevator functioning speed tests the speed and with elevator functioning speed signal transmission to microprocessor 15, microprocessor 15 compares received elevator functioning speed signal with the setting value, judges whether elevator functioning speed is unusual. If the elevator running speed received by the microprocessor 15 is higher than the set value, the microprocessor 15 controls the GSM module 14 to send elevator abnormal running related short messages to elevator responsible persons and maintenance personnel. After the related personnel receive the elevator operation abnormal short message, the trapped personnel of the elevator are rescued at the first time and the elevator is maintained in time, so that the safety of the personnel taking the elevator is guaranteed. Simultaneously microprocessor 15 control alarm module 23 carries out audible alarm to personnel in to the elevator and reminds, takes the elevator personnel and receives behind the alarm signal, starts the utility model discloses the device is with the elevator braking.
As shown in fig. 3 and 4, the rotary driving mechanism includes a screw rod 6 having one end in a circular truncated cone structure and a rotary table 4 fixed to the other end of the screw rod 6, the rotary table 4 is located in the elevator car 3, one end of the circular truncated cone structure of the screw rod 6 penetrates through the support block 5 and then extends into the wedge box 7, and the screw rod 6 is in threaded connection with the support block 5. Rectangular threads are formed in the lead screw 6, so that the transmission efficiency is improved. The turntable 4 can also be provided with a handle 24, so that people can rotate the turntable 4 conveniently.
As shown in fig. 7, two symmetrically arranged inclined planes 16 are arranged on the inner wall of one end of the wedge box 7 close to the screw 6, and each inclined plane 16 is provided with a convex block 17.
As shown in fig. 3 and 4, the pushing mechanism comprises two wedges 8, a sliding block 11 and a connecting block 10, the wedges 8 are located in a wedge box 7, the number of the wedges 8 is two, the shapes and the structures of the two wedges 8 are the same, one side of each wedge 8 is provided with an arc surface 18 which is matched with a side surface 19 of a circular truncated cone structure on the lead screw 6, so that the wedges 8 can be attached to the side surface 19 and can slide relatively along the axial direction of the lead screw 6; each wedge 8 is provided with a wedge surface 20 matched with the inclined surface 16, so that the wedge 8 is attached to the inclined surface 16, and each wedge surface 20 is provided with a groove 21 matched with the protruding block 17, so that the wedge 8 can slide along the length direction of the protruding block 17; the two wedges 8 are attached to one side of a sliding block 11, so that the two wedges 8 can push the sliding block 11 to be attached to the inner wall of the wedge box 7 to slide while moving, and the sliding block 11 is arranged in the wedge box 7; one end of the connecting block 10 is fixedly connected with the other side of the sliding block 11, and the other end of the connecting block 10 is fixedly connected with one side of the friction block 9.
As shown in fig. 1 and 2, the utility model discloses still including setting up the taper pin 22 at 5 tops of supporting shoe, the one end card of taper pin 22 is used for locking lead screw 6 and guarantees lead screw 6 immovable under the elevator normal operating condition in the thread groove of lead screw 6, taper pin 22 and 5 clearance fit of supporting shoe. When the elevator has abnormal operation, the passenger can quickly take out the taper pin 22 from the supporting block 5, and then rotate the rotary disc 4 to brake the elevator.
The working principle of the utility model is as follows: when the elevator running speed received by the microprocessor 15 is greater than the set value, the microprocessor 15 controls the alarm module 23 to give an audible alarm to remind people in the elevator, and meanwhile, the GSM module 14 sends an elevator running abnormal message to related people. After receiving the sound alarm, the passenger takes out the taper pin 22 from the supporting block 5, applies a certain torque to the rotary table 4 in the elevator, and drives the screw rod 6 to synchronously rotate while the rotary table 4 rotates due to the fixed connection of the rotary table 4 and one end of the screw rod 6. The other end of the screw 6 is a circular truncated cone structure with a bus and a central axis included angle of 30 degrees, and the side surface 19 of the circular truncated cone structure is attached to the circular arc surfaces 18 of the two wedge blocks 8, so that the screw 6 pushes the two wedge blocks 8 to be attached to the side surface 19 of the screw 6 and slide along the axial direction of the screw 6 when moving. The wedge 8 slides along the length of the projection 17 at the same time as the inclined surface 16 of the wedge housing 7 abuts against the wedge surface 20 of the wedge 8 and the projection 17 engages the recess 21 of the wedge 8. Two voussoirs 8 and one side contact and sliding connection of sliding block 11, the opposite side of sliding block 11 and the one end fixed connection of connecting block 10, the other end and the clutch blocks 9 fixed connection of connecting block 10, consequently, can promote the sliding block 11 motion when voussoir 8 moves to drive connecting block 10 motion, finally drive clutch blocks 9 synchronous motion, until clutch blocks 9 and homonymy elevator guide rail 2 contact and produce the friction. In this embodiment, the slide block 11 always slides in the wedge case 7 without tilting or falling from the wedge case 7.
The utility model discloses a rotary motion of 6 with carousel 4 of lead screw turns into the slant motion of voussoir 8, and then promotes the linear motion of clutch blocks 9, makes its and elevator guide rail 2 contact production frictional force, and rotary drive mechanism and pushing mechanism's combination impetus increase the frictional force between clutch blocks 9 and the elevator guide rail 2, realize the elevator and promptly slow down to reach the purpose to the elevator braking that falls.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and equivalent structure transform that the above embodiment was done the utility model discloses technical scheme's within the scope of protection.
Claims (7)
1. An elevator anti-falling device, its characterized in that: the elevator anti-falling device is arranged on the side wall of an elevator car (3), and comprises a supporting block (5), a wedge box (7), a friction block (9) for braking the elevator car (3) through friction with an elevator guide rail (2), a pushing mechanism for pushing the friction block (9) to move towards the elevator guide rail (2), and a rotary driving mechanism for driving the pushing mechanism to move; the elevator car (3) is vertically fixed on the wall bodies (1) at the left side and the right side outside the elevator car (3) and used for sliding up and down along the elevator car (3); the supporting block (5) is positioned in the elevator car (3) and is fixedly arranged on the side wall of the elevator car (3) for supporting the rotary driving mechanism; one end of the rotary driving mechanism is positioned in the elevator car (3), and the other end of the rotary driving mechanism penetrates through the supporting block (5), extends into the wedge block box (7) and is in sliding connection with one end of the pushing mechanism; the wedge block box (7) is of a cuboid structure, the wedge block box (7) is fixedly installed in a box body of an elevator car (3), one end of the pushing mechanism is located in the wedge block box (7) and can slide along the inner wall of the wedge block box (7), and the other end of the pushing mechanism is fixedly connected with the friction block (9).
2. An elevator fall arrest device according to claim 1, characterised in that: the elevator anti-falling device further comprises a microprocessor (15), a speed measuring module (13) for monitoring the running speed of the elevator in real time, a GSM module (14) for sending a short message when the running speed of the elevator is abnormal, and an alarm module (23) for giving an audible alarm, wherein the speed measuring module (13) is fixedly arranged on the inner wall of the top of the elevator shaft (12), and the alarm module (23) is arranged in the elevator car (3); the microprocessor (15) is connected with the speed measuring module (13) and is used for receiving the elevator running speed signal input by the speed measuring module (13) and judging whether the received elevator running speed is abnormal or not; the GSM module (14) is connected with the microprocessor (15) and is used for receiving a short message sending signal output by the microprocessor (15); the alarm module (23) is connected with the microprocessor (15) and is used for receiving the alarm signal output by the microprocessor (15).
3. An elevator fall preventing device as defined in claim 1 or 2, characterized in that the rotary driving mechanism comprises a screw rod (6) with one end having a circular truncated cone structure and a rotary disc (4) fixed at the other end of the screw rod (6), the rotary disc (4) is located in the elevator car (3), one end of the circular truncated cone structure of the screw rod (6) passes through the supporting block (5) and then extends into the wedge block box (7), and the screw rod (6) is in threaded connection with the supporting block (5).
4. An elevator fall arrest device according to claim 3, characterised in that: the included angle between the generatrix of the circular truncated cone structure and the central axis is 30 degrees.
5. An elevator fall arrest device according to claim 3, characterised in that: two inclined planes (16) which are symmetrically arranged are arranged on the inner wall of one end, close to the screw rod (6), of the wedge block box (7), and each inclined plane (16) is provided with a protruding block (17).
6. An elevator fall arrest device according to claim 5, characterised in that: the pushing mechanism comprises two wedge blocks (8), a sliding block (11) and a connecting block (10), the wedge blocks (8) are located in a wedge block box (7), the number of the wedge blocks (8) is two, the shapes and the structures of the two wedge blocks (8) are the same, and one side of each wedge block (8) is provided with an arc surface (18) matched with the side surface (19) of the circular truncated cone structure on the lead screw (6) so that the wedge blocks (8) can be attached to the side surfaces (19) and can relatively slide along the axial direction of the lead screw (6); each wedge block (8) is provided with a wedge-shaped surface (20) matched with the inclined surface (16) so that the wedge block (8) is attached to the inclined surface (16), and each wedge-shaped surface (20) is provided with a groove (21) matched with the protruding block (17) so that the wedge block (8) can slide along the length direction of the protruding block (17); the two wedges (8) are attached to one side of the sliding block (11), so that the two wedges (8) can move and simultaneously push the sliding block (11) to be attached to the inner wall of the wedge box (7) to slide, and the sliding block (11) is arranged in the wedge box (7); one end of the connecting block (10) is fixedly connected with the other side of the sliding block (11), and the other end of the connecting block (10) is fixedly connected with one side of the friction block (9).
7. An elevator fall arrest device according to claim 3, characterised in that: the elevator anti-falling device further comprises a taper pin (22) arranged at the top of the supporting block (5), one end of the taper pin (22) is clamped into a thread groove of the lead screw (6) to lock the lead screw (6), and the taper pin (22) is in clearance fit with the supporting block (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023287073.3U CN214087213U (en) | 2020-12-30 | 2020-12-30 | Elevator falling prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023287073.3U CN214087213U (en) | 2020-12-30 | 2020-12-30 | Elevator falling prevention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214087213U true CN214087213U (en) | 2021-08-31 |
Family
ID=77435689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023287073.3U Active CN214087213U (en) | 2020-12-30 | 2020-12-30 | Elevator falling prevention device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214087213U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291689A (en) * | 2021-12-28 | 2022-04-08 | 住友富士电梯有限公司 | Safe type elevator with structure of preventing falling |
-
2020
- 2020-12-30 CN CN202023287073.3U patent/CN214087213U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291689A (en) * | 2021-12-28 | 2022-04-08 | 住友富士电梯有限公司 | Safe type elevator with structure of preventing falling |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2029845B1 (en) | Platform screen door | |
| CN214087213U (en) | Elevator falling prevention device | |
| CN105540378A (en) | Protection system for preventing elevator car from moving by accident | |
| CN107200252A (en) | One kind braking disc type used during elevator falling, which slows down, stops falling unit | |
| CN107640721A (en) | A kind of lowering or hoisting gear with full mechanical speed change centrifugation lock assembly | |
| CN207078856U (en) | One kind braking disc type used during elevator falling, which slows down, stops falling unit | |
| CN201634328U (en) | Anti-dropping safety device for tower crane | |
| CN220011776U (en) | Elevator shaft anti-falling device | |
| CN114834993B (en) | Elevator emergency braking mechanism | |
| CN217730444U (en) | Mining fixed buffering car arrester | |
| CN104944247B (en) | Novel safety device for elevator falling | |
| CN212243380U (en) | Train derailment-prevention emergency brake device | |
| CN112744681B (en) | Braking locking mechanism for elevator in emergency state | |
| CN215439186U (en) | Anti-falling speed-limiting brake device of vertical transportation equipment | |
| CN211141209U (en) | Elevator anti-falling device and elevator | |
| CN112660960A (en) | High-safety protection device for preventing elevator from overspeed and accidental movement | |
| EP2769952B1 (en) | Safety device for elevators and elevator comprising said device | |
| CN209065224U (en) | Elevator end station protects structure | |
| CN112573322B (en) | Elevator prevents unexpected quick arresting gear who removes | |
| CN109399415B (en) | Permanent-magnet retarding safety protection device for elevator | |
| CN207346934U (en) | A kind of device for preventing accidental movement of elevator cage | |
| CN108313849B (en) | Emergency safety electromechanical system of elevator | |
| CN221346483U (en) | Safety protection device for lifting parking garage | |
| CN117142286A (en) | Emergency braking and protecting device for construction elevator | |
| CN220376042U (en) | Emergency stop device for elevator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240118 Address after: 411100 No. 040114, Building 3, No. 70 Fengcheping, Yuhu Road Street, Yuhu District, Xiangtan City, Hunan Province Patentee after: Hunan Xiao Xinhong Electromechanical Equipment Co.,Ltd. Address before: 710000 B2-216, 7th Floor, Xixian Talent Building, Century Building, Fengdong New City, Xi'an City, Shaanxi Province Patentee before: Xi'an Chenzhen Zhishan Information Technology Co.,Ltd. Effective date of registration: 20240118 Address after: 710000 B2-216, 7th Floor, Xixian Talent Building, Century Building, Fengdong New City, Xi'an City, Shaanxi Province Patentee after: Xi'an Chenzhen Zhishan Information Technology Co.,Ltd. Address before: No. 259, West 2nd Ring Road, Xi'an City, Shaanxi Province Patentee before: XI'AN AERONAUTICAL University |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20240927 Address after: No. 1 storefront, Dijinyuan Building, 79-1 Jiangbei Development Zone, Beita District, Shaoyang City, Hunan Province, 422000 Patentee after: Shaoyang Zhida Information Technology Co.,Ltd. Country or region after: China Address before: 411100 No. 040114, Building 3, No. 70 Fengcheping, Yuhu Road Street, Yuhu District, Xiangtan City, Hunan Province Patentee before: Hunan Xiao Xinhong Electromechanical Equipment Co.,Ltd. Country or region before: China |