CN111362095A - Locking device for preventing elevator from falling - Google Patents
Locking device for preventing elevator from falling Download PDFInfo
- Publication number
- CN111362095A CN111362095A CN202010178126.3A CN202010178126A CN111362095A CN 111362095 A CN111362095 A CN 111362095A CN 202010178126 A CN202010178126 A CN 202010178126A CN 111362095 A CN111362095 A CN 111362095A
- Authority
- CN
- China
- Prior art keywords
- car
- fixedly connected
- elevator
- locking device
- stop blocks
- 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.)
- Pending
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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
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/26—Positively-acting devices, e.g. latches, knives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/12—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of rope or cable slack
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention relates to the technical field of elevator protection, in particular to a locking device for preventing an elevator from falling, which solves the defects in the prior art and comprises a hoistway and a car, wherein the inner wall of the hoistway is provided with a limit groove, the inner walls of the limit groove are fixedly connected with stop blocks distributed in an array manner through bolts, the tops of the stop blocks are respectively bonded with a shock-absorbing silica gel pad, the top of the car is fixedly connected with a traction rope, the top of the car is fixedly connected with a support plate and a fixing plate which are symmetrically arranged sequentially through a hexagon screw, and the stop plates, a needle rod, the stop blocks, the shock-absorbing silica gel pad and other structures are arranged, after the car starts the locking device, the stop plates indirectly connected with the car are blocked by the stop blocks, the elevator can be effectively locked by utilizing a plurality of protection stop blocks and the stop plates, and simultaneously, therefore, the injury degree of personnel is reduced, and the protection strength is high.
Description
Technical Field
The invention relates to the technical field of elevator protection, in particular to a locking device for preventing an elevator from falling.
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.
At present, the elevator falling accident frequently occurs, but the protection strength of the locking device for preventing the elevator falling on the market is not enough, the response of the protection measures is slow, and casualties are frequently caused, so that the locking device for preventing the elevator falling is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the defects of insufficient protection strength and slow response of protection measures in the prior art, and provides a locking device for preventing an elevator from falling.
In order to achieve the purpose, the invention adopts the following technical scheme:
the locking device for preventing the elevator from falling comprises a hoistway and a car, wherein a limiting groove is formed in the inner wall of the hoistway, the inner wall of the limiting groove is fixedly connected with stop blocks which are distributed in an array mode through bolts, damping silica gel pads are bonded to the top of the stop blocks, a traction rope is fixedly connected to the top of the car, the top of the car is fixedly connected with a supporting plate and a fixing plate which are symmetrically arranged in sequence through hexagon screws, a spring is fixedly connected to one side of the supporting plate, a rotating plate is fixedly connected to the other end of the spring, a pressure sensor is mounted at the top of the fixing plate, and the rotating plate is movably hinged to one side of the top of;
the utility model discloses a car, including car, recess, the inside rotation of recess installs the pivot, the outside welding of pivot has the baffle that is array distribution, the fixed needle bar that is array distribution that is provided with in bottom of baffle.
Preferably, a through hole is formed in the rotating plate, and the traction rope penetrates through the through hole.
Preferably, the bottom of car is installed the servo motor of symmetrical arrangement, servo motor's output passes through the shaft coupling and the one end fixed connection of pivot, and servo motor with pressure sensor electric connection.
Preferably, the bearings are installed on two sides of the inner wall of the groove, and the two ends of the rotating shaft are sleeved in the bearings.
Preferably, the hoistway is in sliding engagement with the car.
The invention has the beneficial effects that:
1. according to the elevator safety protection device, the baffle plate indirectly connected with the car is blocked by the stop block through the arrangement of the structures such as the baffle plate, the needle rod, the stop block, the shock absorption silica gel pad and the like after the car starts the locking device, the elevator can be effectively locked by utilizing a plurality of protection stop blocks and the baffle plate, meanwhile, shock absorption is carried out through silica gel during locking, impact force of the elevator is absorbed to the maximum extent, so that the injury degree of personnel is reduced, and the protection strength is high.
2. According to the elevator locking device, due to the arrangement of the rotating plate, the pressure sensor, the servo motor and the like, when the elevator falls down, the traction rope is loosened or broken, the rotating plate can press the pressure sensor in time under the action of the spring, the response is rapid compared with a locking device which is used for detecting the speed in the market, and accidents can be avoided in time.
Drawings
Fig. 1 is a front view of a locking device for preventing an elevator from dropping according to the present invention;
fig. 2 is an enlarged view of a locking device for preventing an elevator from dropping according to the present invention at a point a;
fig. 3 is a front view of the car according to the invention when locked;
fig. 4 is a schematic structural diagram of the car provided by the invention.
In the figure: 1 well, 2 cars, 3 spacing grooves, 4 haulage ropes, 5 grooves, 6 rotating shafts, 7 baffles, 8 needle bars, 9 stoppers, 10 shock-absorbing silica gel pads, 11 servo motors, 12 supporting plates, 13 fixing plates, 14 pressure sensors, 15 rotating plates, 16 through holes and 17 springs.
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.
Referring to fig. 1-4, a locking device for preventing an elevator from falling comprises a well 1 and a car 2, wherein a limit groove 3 is formed in the inner wall of the well 1, stop blocks 9 distributed in an array form are fixedly connected to the inner wall of the limit groove 3 through bolts, shock-absorbing silica gel pads 10 are bonded to the tops of the stop blocks 9, a traction rope 4 is fixedly connected to the top of the car 2, the top of the car 2 is fixedly connected with a support plate 12 and a fixed plate 13 which are symmetrically arranged sequentially through hexagon screws, a spring 17 is fixedly connected to one side of the support plate 12, a rotating plate 15 is fixedly connected to the other end of the spring 17, a pressure sensor 14 is mounted at the top of the fixed plate 13, and the rotating plate 15 is movably hinged; the elevator safety protection device is characterized in that grooves 5 are formed in two sides of a car 2, a rotating shaft 6 is rotatably arranged in each groove 5, baffles 7 distributed in an array are welded on the outer side of each rotating shaft 6, needle rods 8 distributed in an array are fixedly arranged at the bottom of each baffle 7, and through the arrangement of the baffles 7, the needle rods 8, stop blocks 9, shock absorption silica gel pads 10 and other structures, after a locking device is started on the car 2, the baffle 7 indirectly connected with the car 2 is stopped by the stop blocks 9, the elevator can be effectively locked by utilizing a plurality of protection stop blocks 9 and the baffle 7, meanwhile, shock absorption is carried out through silica gel during locking, the impact force of the elevator is absorbed to the maximum extent, so that the injury degree of personnel is reduced, the protection strength is high, through the arrangement of the rotating plates 15, the pressure sensors 14, the servo motors 11 and other structures, when the elevator falls down, traction ropes are loosened or broken, the rotating, compare the reaction rapidly with the locking device who utilizes speed to detect on the market, can in time avoid the occurence of failure, through-hole 16 has been seted up to the inside of rotor plate 15, haulage rope 4 passes the inside of through-hole 16, symmetrical arrangement's servo motor 11 is installed to car 2's bottom, the one end fixed connection of shaft coupling and pivot 6 is passed through to servo motor 11's output, and servo motor 11 and pressure sensor 14 electric connection, well 1 and car 2 sliding fit.
In this embodiment, in operation, when the elevator is in normal operation, car 2 and well 1 sliding fit, car 2 slides from top to bottom on well 1, when the elevator descends, haulage rope 4 relaxes or breaks, at this moment under the elasticity promotion of spring 17, rotor plate 15 rotates and presses at pressure sensor 14's top, pressure sensor 14 is after receiving pressure signal, with signal transmission to servo motor 11, servo motor 11 starts, drive pivot 6 and the inside of baffle 7 of rigid connection with it rotate to spacing groove 3, car 2 is when continuing the whereabouts afterwards, baffle 7 contacts with dog 9, needle bar 8 pierces in shock attenuation silica gel pad 10, keep the stability of car 2, when baffle 7 and shock attenuation silica gel pad 10 contact simultaneously, absorb most impact force, reduce the vibration of car 2, protect personnel.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A locking device for preventing an elevator from falling comprises a hoistway (1) and a car (2), the elevator car is characterized in that a limiting groove (3) is formed in the inner wall of the well (1), stop blocks (9) distributed in an array form are fixedly connected to the inner wall of the limiting groove (3) through bolts, shock-absorbing silica gel pads (10) are bonded to the tops of the stop blocks (9), a traction rope (4) is fixedly connected to the top of the car (2), the top of the cage (2) is fixedly connected with a supporting plate (12) and a fixing plate (13) which are symmetrically arranged through a hexagon screw in sequence, one side of the supporting plate (12) is fixedly connected with a spring (17), the other end of the spring (17) is fixedly connected with a rotating plate (15), the top of the fixed plate (13) is provided with a pressure sensor (14), the rotating plate (15) is movably hinged with one side of the top of the fixed plate (13);
the utility model discloses a car, including car (2), recess (5), pivot (6) are installed in the inside rotation of recess (5), the outside welding of pivot (6) has baffle (7) that are array distribution, the fixed needle bar (8) that are array distribution that are provided with in bottom of baffle (7).
2. Locking device for preventing elevator from falling down according to claim 1, characterized in that the turning plate (15) is internally provided with a through hole (16), and the traction rope (4) passes through the inside of the through hole (16).
3. Locking device for preventing elevator from falling down according to claim 1, characterized in that the bottom of the car (2) is provided with symmetrically arranged servo motors (11), the output end of the servo motor (11) is fixedly connected with one end of the rotating shaft (6) through a shaft coupling, and the servo motor (11) is electrically connected with the pressure sensor (14).
4. Locking device for preventing elevator from falling down according to claim 1, characterized in that the bottom of the car (2) is provided with symmetrically arranged servo motors (11), the output end of the servo motor (11) is fixedly connected with one end of the rotating shaft (6) through a shaft coupling, and the servo motor (11) is electrically connected with the pressure sensor (14).
5. Locking device for preventing elevator falling according to claim 1, characterized in that the hoistway (1) is in sliding engagement with the car (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010178126.3A CN111362095A (en) | 2020-03-14 | 2020-03-14 | Locking device for preventing elevator from falling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010178126.3A CN111362095A (en) | 2020-03-14 | 2020-03-14 | Locking device for preventing elevator from falling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111362095A true CN111362095A (en) | 2020-07-03 |
Family
ID=71202421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010178126.3A Pending CN111362095A (en) | 2020-03-14 | 2020-03-14 | Locking device for preventing elevator from falling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111362095A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114348901A (en) * | 2022-01-07 | 2022-04-15 | 正宇建设集团有限公司 | Safe hoisting equipment for building construction |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201354279Y (en) * | 2008-12-30 | 2009-12-02 | 上海市松江二中 | Elevator with out-of-control protective device |
| JP2012162374A (en) * | 2011-02-09 | 2012-08-30 | Hitachi Ltd | Emergency stop device and elevator with the same |
| CN103803370A (en) * | 2014-01-24 | 2014-05-21 | 江苏蒙哥马利电梯有限公司 | Anti-falling protection device of elevator |
| CN203998491U (en) * | 2014-07-31 | 2014-12-10 | 广州日滨科技发展有限公司 | Device for preventing elevator from falling |
| CN106006286A (en) * | 2016-07-30 | 2016-10-12 | 张玲玲 | Elevator with fall protection device |
| CN208327017U (en) * | 2018-01-15 | 2019-01-04 | 郑州工业应用技术学院 | A kind of construction elevator that security performance is high |
| CN210103225U (en) * | 2019-03-27 | 2020-02-21 | 铜陵有色金属集团铜冠矿山建设股份有限公司 | Cage lifting anti-falling protection device for polymetallic ores |
-
2020
- 2020-03-14 CN CN202010178126.3A patent/CN111362095A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201354279Y (en) * | 2008-12-30 | 2009-12-02 | 上海市松江二中 | Elevator with out-of-control protective device |
| JP2012162374A (en) * | 2011-02-09 | 2012-08-30 | Hitachi Ltd | Emergency stop device and elevator with the same |
| CN103803370A (en) * | 2014-01-24 | 2014-05-21 | 江苏蒙哥马利电梯有限公司 | Anti-falling protection device of elevator |
| CN203998491U (en) * | 2014-07-31 | 2014-12-10 | 广州日滨科技发展有限公司 | Device for preventing elevator from falling |
| CN106006286A (en) * | 2016-07-30 | 2016-10-12 | 张玲玲 | Elevator with fall protection device |
| CN208327017U (en) * | 2018-01-15 | 2019-01-04 | 郑州工业应用技术学院 | A kind of construction elevator that security performance is high |
| CN210103225U (en) * | 2019-03-27 | 2020-02-21 | 铜陵有色金属集团铜冠矿山建设股份有限公司 | Cage lifting anti-falling protection device for polymetallic ores |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114348901A (en) * | 2022-01-07 | 2022-04-15 | 正宇建设集团有限公司 | Safe hoisting equipment for building construction |
| CN114348901B (en) * | 2022-01-07 | 2024-05-14 | 正宇建设集团有限公司 | Safe lifting equipment for building construction |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200703 |