CN209455880U - A kind of elevator falling proof device - Google Patents
A kind of elevator falling proof device Download PDFInfo
- Publication number
- CN209455880U CN209455880U CN201822057719.5U CN201822057719U CN209455880U CN 209455880 U CN209455880 U CN 209455880U CN 201822057719 U CN201822057719 U CN 201822057719U CN 209455880 U CN209455880 U CN 209455880U
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- China
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- elevator
- hanging plate
- sides
- master gear
- guide rail
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Abstract
The utility model discloses a kind of elevator falling proof devices, including being located at the elevator at the top of stair shaft, guide rail positioned at stair shaft two sides and the carriage that is slidably arranged between two guide rails, the elevator is held carriage by drawstring and is moved up and down between the guide rails, the car upper is equipped with anti-fall device, the anti-fall device includes servo motor and master gear, the master gear is rotatably arranged on the lower section of servo motor by bearing, the two sides of the master gear are equipped with guide groove, the rack gear matched with master gear is equipped in the guide groove, the one end of the rack gear outwardly is equipped with hanging plate, the master gear drives two sides rack gear to move left and right along guide groove, the guide rail is equipped with supporting block corresponding with hanging plate, the side of the servo motor is equipped with switch cabinet, controller is equipped in the switch cabinet, the servo motor is electrically connected with the controller.The utility model compared with prior art the advantages of be: structure is simple, and service life is longer, and security performance is higher.
Description
Technical field
The utility model relates to elevator technology field, in particular to a kind of elevator falling proof devices.
Background technique
With the quickening of Development of China's Urbanization, cities and towns skyscraper is more and more, and lift facility used in these places is big
The increase of amplitude, due to the increase of elevator quantity, associated falling accident is also constantly occurring, and as equipment uses year
The growth of limit and there is increasing trend, there is very big hidden danger of falling for elevator.
For current device for preventing elevator from falling when elevator failure is fallen, elevator is at the movement of falling object, when elevator speed
When degree is more than normal speed 110%, limiter of speed can be acted, and speed limiter wire rope directly lifts the dress of the safety tongs in carriage
It sets, aid of the voussoir in safety tongs to guide rail is directly stuck on guide rail carriage, will not continue to act, with braking time
Several increases, guide rail and voussoir can be deformed because of friction, gradually decrease the tightness to guide rail aid, there are biggish safety is hidden
Suffer from.
Utility model content
The technical problems to be solved in the utility model is to overcome the above technological deficiency, and it is simple to provide a kind of structure, uses the longevity
Order a kind of longer, the higher elevator falling proof device of security performance.
In order to solve the above technical problems, technical solution provided by the utility model are as follows: a kind of elevator falling proof device, packet
Include the elevator being located at the top of stair shaft, the guide rail positioned at stair shaft two sides and the carriage that is slidably arranged between two guide rails, the liter
Drop machine is held carriage by drawstring and is moved up and down between the guide rails, and the car upper is equipped with anti-fall device, the anti-fall device
Including servo motor and master gear, the master gear is rotatably arranged on the lower section of servo motor by bearing, the master gear
Two sides are equipped with guide groove, and the rack gear matched with master gear is equipped in the guide groove, and the one end of the rack gear outwardly is equipped with hanging plate, institute
Stating master gear drives two sides rack gear to move left and right along guide groove, and the guide rail is equipped with supporting block corresponding with hanging plate, described
The side of servo motor is equipped with switch cabinet, is equipped with controller in the switch cabinet, the servo motor is electrically connected with the controller.
The utility model compared with prior art the advantages of be: the top of carriage be equipped with falling proof device, when elevator send out
When raw situation is fallen, controller controls servo motor and rotates with firmly gear, the rack gear of master gear two sides synchronizing moving outward,
The hanging plate of rack gear outer end is inserted into the supporting block on guide rail, and elevator is avoided to continue to fall, after elevator reparing is good, controller
It controlling servo motor and drives master gear reversion, two sides rack gear moves inward, and hanging plate is removed from supporting block, and elevator works normally,
Elevator is lockked by the cooperation of hanging plate and supporting block, structure is simple, and it is easily manufactured, it will not be because of the friction between hanging plate and supporting block
And leading to the appearance of anti-fall effect decline situation, service life is longer, and security performance is higher.
As an improvement, the rack gear both ends are provided with groove, spring one is equipped in the groove, one end of the spring one connects
It connects in the bottom of groove, the bottom of hanging plate is arranged in the other end, and the hanging plate stretches in groove under the action of spring one, hangs
Plate is capable of expansion and contraction in the groove of rack gear by spring one, and for elevator during decline, hanging plate is protruding with rack gear, when touching
It can stretch in groove under the action of spring one when to supporting block, between hanging plate reaches between two adjacent supporting blocks up and down
When gap, hanging plate is inserted in gap, so that carriage is stopped decline, is avoided supporting block and hanging plate rigid contact, reduce between the two
The degree of wear increases its service life, improves the security performance of elevator.
As an improvement, position and master gear center that two hanging plate is in contact with supporting block are point-blank, keep
Entire falling proof device uniform force, prolongs its service life, keeps hanging plate and supporting block grafting firm, enhances elevator safety
Energy.
As an improvement, the carriage two sides are equipped with sliding block corresponding with guide rail, the guide rail two sides are provided with elongated slot, described
Slider end is plugged in elongated slot, and is slided up and down along elongated slot, guarantee elevator during the decline along guide rail it is vertical under
Drop, prevents elevator from shaking during decline, makes to contact offset between hanging plate and supporting block, reduce the security performance of elevator.
As an improvement, the carriage lower part is equipped with bottom plate, the bottom plate has spring two, fails in elevator anti-fall device
In the case where, elevator landing, spring two plays good cushioning effect, the actual bodily harm to elevator personnel are taken is greatly reduced,
Increase the security performance of elevator.
As an improvement, the supporting block is spacedly distributed along rail length direction, it is adjacent that the hanging plate is plugged on upper and lower two
It supports between block gap, connection is more stable, effectively prevent used during elevator falling.
Detailed description of the invention
Fig. 1 is a kind of main view of elevator falling proof device of the utility model.
Fig. 2 is a kind of top view of elevator falling proof device of the utility model.
It is as shown in the figure: 1, carriage, 2, anti-fall device, 3, bottom plate, 4, guide rail, 5, elongated slot, 6, supporting block, 7, sliding block, 8, watch
Take motor, 9, master gear, 10, rack gear, 11, controller, 12, spring two, 13, guide groove, 14, hanging plate, 15, groove, 16, spring
One, 17, elevator, 18, switch cabinet.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings.
A kind of elevator falling proof device, including be located at stair shaft at the top of elevator 17, positioned at 4 and of guide rail of stair shaft two sides
The carriage 1 being slidably arranged between two guide rails 4, the elevator 17 by drawstring hold carriage 1 between guide rail 4 on move down
Dynamic, 1 top of carriage is equipped with anti-fall device 2, and the anti-fall device 2 includes servo motor 8 and master gear 9, the master gear 9
The lower section of servo motor 8 is rotatably arranged on by bearing, the two sides of the master gear 9 are equipped with guide groove 13, set in the guide groove 13
There is the rack gear 10 matched with master gear 9, the one end of the rack gear 10 outwardly is equipped with hanging plate 14, and the master gear 9 drives two sides
Rack gear 10 is moved left and right along guide groove 13, and the guide rail 4 is equipped with and the corresponding supporting block 6 of hanging plate 14, the servo motor 8
Side be equipped with switch cabinet 18, be equipped with controller 11 in the switch cabinet 18, the servo motor 8 is electrically connected with controller 11.
10 both ends of rack gear are provided with groove 15, are equipped with spring 1, one end of the spring 1 in the groove 15
It is connected to the bottom of groove 15, the bottom of hanging plate 14 is arranged in the other end, and the hanging plate 14 is under the action of spring 1 recessed
It stretches in slot 15.
The position and 9 center of master gear that two hanging plate 14 is in contact with supporting block 6 are point-blank.
1 two sides of carriage are equipped with and the corresponding sliding block 7 of guide rail 4, and 4 two sides of guide rail are provided with elongated slot 5, the sliding block
7 ends are plugged in elongated slot 5, and are slided up and down along elongated slot 5.
1 lower part of carriage is equipped with bottom plate 3, and the bottom plate 3 has spring 2 12.
The supporting block 6 is spacedly distributed along 4 length direction of guide rail, and the hanging plate 14 is plugged on two adjacent supporting blocks up and down
Between 6 intervals.
The utility model in the specific implementation, elevator break down fall when, speed detector detection on elevator
When being more than normal speed 110% to elevator decrease speed, controller control servo motor is rotated clockwise, servo motor band
Dynamic master gear rotates clockwise, and the rack gear of master gear two sides is displaced outwardly under the action of master gear, and hanging plate is moved out therewith
Dynamic, hanging plate is during being displaced outwardly, when encountering supporting block, under the action of spring one with Elastic Contact between supporting block, directly
It when reaching the gap between two supporting blocks up and down to hanging plate, is completely inserted into gap, size and the hanging plate outer end in gap
Size is identical, and elevator no longer drops at this time, and after maintenance personal is good by elevator reparing, it is counterclockwise that controller controls servo motor
Rotation, servo motor drive master gear to rotate counterclockwise, and the rack gear of master gear two sides moves inward under the action of master gear,
Hanging plate moves inward therewith, and hanging plate is completely disengaged with supporting block, and elevator starts to work normally at this time, and anti-fall device goes out in order to prevent
Existing problem, elevator lower raft have spring two, play good cushioning effect to bottom plate in the moment of elevator landing.
The utility model and embodiments thereof are described above, this description is no restricted, shown in attached drawing
Be also one of the embodiments of the present invention, actual structure is not limited to this.All in all if this field
Those of ordinary skill is enlightened by it, without deviating from the purpose of the present invention, not inventively design with
The similar frame mode of the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (6)
1. a kind of elevator falling proof device, including being located at elevator (17) at the top of stair shaft, positioned at the guide rail (4) of stair shaft two sides
And the carriage (1) being slidably arranged between two guide rails (4), the elevator (17) hold carriage (1) in guide rail (4) by drawstring
Between move up and down, it is characterised in that: carriage (1) top be equipped with anti-fall device (2), the anti-fall device (2) include watch
Motor (8) and master gear (9) are taken, the master gear (9) is rotatably arranged on the lower section of servo motor (8), the master by bearing
The two sides of gear (9) are equipped with guide groove (13), and the rack gear (10) matched with master gear (9) is equipped in the guide groove (13), described
The one end of rack gear (10) outwardly is equipped with hanging plate (14), and the master gear (9) drives two sides rack gear (10) along guide groove (13) left and right
Mobile, the guide rail (4) is equipped with and hanging plate (14) corresponding supporting block (6), and the side of the servo motor (8) is equipped with electricity
Cabinet case (18), the switch cabinet (18) is interior to be equipped with controller (11), and the servo motor (8) is electrically connected with controller (11).
2. a kind of elevator falling proof device according to claim 1, it is characterised in that: rack gear (10) both ends are provided with
Groove (15), the groove (15) is interior to be equipped with spring one (16), and one end of the spring one (16) is connected to the bottom of groove (15)
Portion, the other end are arranged in the bottom of hanging plate (14), and the hanging plate (14) is stretched in groove (15) under the action of spring one (16)
Contracting.
3. a kind of elevator falling proof device according to claim 1, it is characterised in that: hanging plate described in two sides (14) and branch
The position and master gear (9) center that bracer (6) is in contact are point-blank.
4. a kind of elevator falling proof device according to claim 1, it is characterised in that: carriage (1) two sides are equipped with
The corresponding sliding block (7) with guide rail (4), guide rail (4) two sides are provided with elongated slot (5), and sliding block (7) end is plugged on elongated slot
(5) it in, and is slided up and down along elongated slot (5).
5. a kind of elevator falling proof device according to claim 1, it is characterised in that: carriage (1) lower part is equipped with
Bottom plate (3), the bottom plate (3) have spring two (12).
6. a kind of elevator falling proof device according to claim 1, it is characterised in that: the supporting block (6) is along guide rail
(4) length direction is spacedly distributed, and the hanging plate (14) is plugged between two adjacent supporting block (6) intervals up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822057719.5U CN209455880U (en) | 2018-12-08 | 2018-12-08 | A kind of elevator falling proof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822057719.5U CN209455880U (en) | 2018-12-08 | 2018-12-08 | A kind of elevator falling proof device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209455880U true CN209455880U (en) | 2019-10-01 |
Family
ID=68039058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822057719.5U Active CN209455880U (en) | 2018-12-08 | 2018-12-08 | A kind of elevator falling proof device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209455880U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110882517A (en) * | 2019-12-03 | 2020-03-17 | 广东应雄体育文化产业发展有限公司 | High platform equipment with diving steel structure |
| CN111960212A (en) * | 2020-09-19 | 2020-11-20 | 朱伟人 | Prevent weighing down elevator car |
| CN112177515A (en) * | 2020-09-30 | 2021-01-05 | 东风商用车有限公司 | Roller shutter type box cover sundry box door structure with self-locking function |
| CN113417565A (en) * | 2021-08-16 | 2021-09-21 | 浙江永安得力工贸有限公司 | Household ladder convenient for carrying articles up and down |
| CN114104903A (en) * | 2021-12-02 | 2022-03-01 | 上海龄慈机械设备有限公司 | Safety braking ventilation elevator |
| CN114348822A (en) * | 2021-12-14 | 2022-04-15 | 江苏省特种设备安全监督检验研究院 | Safety protection device for elevator maintenance |
-
2018
- 2018-12-08 CN CN201822057719.5U patent/CN209455880U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110882517A (en) * | 2019-12-03 | 2020-03-17 | 广东应雄体育文化产业发展有限公司 | High platform equipment with diving steel structure |
| CN111960212A (en) * | 2020-09-19 | 2020-11-20 | 朱伟人 | Prevent weighing down elevator car |
| CN111960212B (en) * | 2020-09-19 | 2021-12-03 | 广东升达电梯有限公司 | Prevent weighing down elevator car |
| CN112177515A (en) * | 2020-09-30 | 2021-01-05 | 东风商用车有限公司 | Roller shutter type box cover sundry box door structure with self-locking function |
| CN113417565A (en) * | 2021-08-16 | 2021-09-21 | 浙江永安得力工贸有限公司 | Household ladder convenient for carrying articles up and down |
| CN114104903A (en) * | 2021-12-02 | 2022-03-01 | 上海龄慈机械设备有限公司 | Safety braking ventilation elevator |
| CN114104903B (en) * | 2021-12-02 | 2023-11-21 | 王伟华 | Safety braking ventilation elevator |
| CN114348822A (en) * | 2021-12-14 | 2022-04-15 | 江苏省特种设备安全监督检验研究院 | Safety protection device for elevator maintenance |
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