CN210236803U - Elevator anti-falling device - Google Patents
Elevator anti-falling device Download PDFInfo
- Publication number
- CN210236803U CN210236803U CN201920958994.6U CN201920958994U CN210236803U CN 210236803 U CN210236803 U CN 210236803U CN 201920958994 U CN201920958994 U CN 201920958994U CN 210236803 U CN210236803 U CN 210236803U
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- Prior art keywords
- blocking
- car
- elevator
- stopping
- rope
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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
- B66B5/22—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 linearly-movable wedges
Abstract
The utility model relates to a drive elevator installation protection device of tow formula, concretely relates to elevator anti-falling device. Under the normal state of the lift car, the limiting block is matched with the blocking hook, so that the hoisting rope drives the lift car to move up and down through the matched blocking warping plate; after the hauling rope is broken, under the gravity of the upper end of the blocking wane and the action of the tension spring, the blocking hook rotates outwards to be hooked on a blocking lever on the blocking vertical ladder, and further falling is prevented.
Description
Technical Field
The utility model relates to a drive elevator installation protection device of tow formula, concretely relates to elevator anti-falling device.
Background
Along with the continuous development of modern society, factory and mine enterprises are more and more, the building cover is higher and higher, and the installation and use of traction type driving elevator are more and more common, and the elevator also becomes high-risk mechanical equipment simultaneously, and what the elevator accident caused is not only property loss is more serious but also personal injury accident, so the operation safety of elevator is not neglected.
Wherein, the elevator can drop after the towline fracture in the operation process to cause serious incident.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide an elevator anti-falling device that can in time prevent the car after the towline fracture and fall.
The utility model discloses a realize through following technical scheme:
an elevator anti-falling device comprises a car 1, a guide rail group 2 matched with the car 1 to move up and down, at least one blocking warped plate 3 and a blocking vertical ladder 4;
the blocking vertical ladder 4 is provided with a plurality of blocking bars, and the blocking vertical ladder 4 is fixedly arranged on the elevator shaft wall at the side of the elevator car 1; the arresting warping plate 3 is vertically and rotatably arranged at the position, close to the arresting vertical ladder 4, outside the car 1, the lower end of the arresting warping plate 3 is provided with an downwards arresting hook 31, and the upper end of the arresting warping plate 3 is fixedly connected with a traction rope; when the hoist rope is broken, the blocking hook 31 is rotated to be hooked on the blocking bar to be protruded outside the car 1.
Furthermore, the number of the blocking vertical ladders 4 is two and the blocking vertical ladders are respectively positioned at the left side and the right side of the car 1; the quantity of arresting wane 3 is four, the connecting axle 5 that distributes around installing respectively in the left and right sides on the top surface of car 1, rotate two arresting wanes 3 of installation on every connecting axle 5.
Furthermore, the upper end of each arresting wane 3 is fixedly connected with a hauling rope through a rope end wedge sleeve.
Furthermore, the upper ends of the two arresting seesaws 3 arranged on the same connecting shaft 5 are fixedly connected through a connecting rod 6; the two connecting rods 6 are respectively fixedly connected with a hoisting rope through branch ropes.
Further, four limit blocks 7 are arranged on the top surface of the car 1, and each limit block 7 correspondingly limits each blocking hook 31 to rotate inwards; the upper portion of every stopping wane 3 is equipped with extension spring 8, and the other end of extension spring 8 is fixed at 1 top surface of car.
Furthermore, the number of the blocking vertical ladders 4 is two and the blocking vertical ladders are respectively positioned on the left side and the right side of the rear side surface of the cage 1; the number of the blocking seesaws 3 is two, and the two blocking seesaws 3 are respectively rotatably arranged on the left side surface and the right side surface of the lift car 1 close to the rear side surface through the connecting shaft 5; the upper end of each blocking wane 3 is provided with a rotating rope wheel 9, and the left side surface and the right side surface of the car 1 are respectively provided with a diversion rope wheel 10; the hoisting ropes are passed successively over the lower sides of the turning sheave 9 and the diverting sheave 10.
Furthermore, the left side surface and the right side surface of the car 1 are respectively provided with a limiting block 7, and each limiting block 7 correspondingly limits each blocking hook 31 to rotate inwards; the upper part of each stopping warping plate 3 is provided with a tension spring 8, and the other end of each tension spring 8 is fixed on the side surface of the car 1.
Compared with the prior art, the utility model the beneficial effect who gains as follows:
1. under the normal state of the lift car, the limiting block is matched with the blocking hook, so that the hoisting rope drives the lift car to move up and down through the matched blocking warping plate; after the hauling rope is broken, under the gravity of the upper end of the blocking wane and the action of the tension spring, the blocking hook rotates outwards to be hooked on a blocking lever on the blocking vertical ladder, so that the hauling rope is prevented from further falling;
2. the anti-falling protection device can be suitable for different types of cars for anti-falling protection;
3. the utility model discloses simple structure, low in manufacturing cost use easy maintenance.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of an elevator anti-falling device in embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of the elevator falling preventing device in a normal state in embodiment 1;
FIG. 3 is a schematic structural view of the falling preventing device of the elevator in the protection state in embodiment 1;
fig. 4 is a schematic view of a three-dimensional structure of the elevator anti-falling device in embodiment 2 of the present invention;
FIG. 5 is a schematic structural view of the fall preventing device of the elevator in a normal state in embodiment 2;
fig. 6 is a schematic perspective view of the arrester rocker in embodiment 1;
FIG. 7 is a schematic perspective view of the elevator fall preventing device in embodiment 3;
FIG. 8 is a schematic structural view of the fall preventing device of the elevator in a normal state in embodiment 3;
fig. 9 is a schematic perspective view of the arrester rocker in embodiment 3;
in the figure: 1. the elevator comprises an elevator car, 2, a guide rail group, 3, a blocking warping plate, 31, a blocking hook, 4, a blocking vertical ladder, 5, a switching shaft, 6, a connecting rod, 7, a limiting block, 8, a tension spring, 9, a rotating rope pulley, 10, a diversion rope, 11 and a hoisting rope.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. The described embodiments are only some embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Example 1
As shown in fig. 1, 2 and 6, the anti-falling device for the elevator comprises a car 1, a guide rail group 2 matched with the car 1 to move up and down, four arresting warping plates 3 and two arresting vertical ladders 4. A plurality of blocking bars are uniformly welded on the blocking vertical ladder 4 at intervals, and in order to ensure installation, the intervals between the blocking bars are half meters. The two blocking vertical ladders 4 are respectively and fixedly installed on the elevator well walls on the left side and the right side of the elevator car 1, and in the example, the blocking vertical ladders can be directly and fixedly connected between the guide rail groups.
The left and right sides is close to the edge and installs connecting axle 5 that distributes around installing through the supporting seat respectively on the top surface of car 1, rotates two obstruction wanes 3 of installation through the axle sleeve on every connecting axle 5. The lower end of each arresting warping plate 3 is provided with an arresting hook 31 which is bent downwards, the upper end of each arresting warping plate 3 is fixedly connected with a traction rope through a rope end wedge sleeve, and the four traction ropes drive the lift car to move up and down together. Four limit blocks 7 are fixedly arranged on the top surface of the car 1, and each limit block 7 correspondingly limits each blocking hook 31 to rotate inwards; the upper portion of every stopping wane 3 is equipped with extension spring 8, and the other end of extension spring 8 is fixed at 1 top surface of car. Therefore, when the car is in a normal running state, the four hauling ropes pull the four arresting seesaws to drive the car, and the limiting block is in stressed contact with the arresting hook 31, so that the stress stability of the arresting seesaws is ensured.
The elevator anti-falling device specifically protects the working process as follows:
as shown in fig. 3, after the hoisting rope is broken, the upper end of the blocking rocker loses traction force, the blocking rocker rapidly rotates under the action of the tension spring and the self-gravity, and the blocking hook rotates outwards to exceed the side position of the car and just hooks on the blocking lever, so that the car is prevented from further falling.
Example 2
As shown in fig. 4 and 5, the elevator falling preventing device comprises a car 1, a guide rail group 2 matched with the car 1 to move up and down, four blocking warping plates 3 and two blocking vertical ladders 4. A plurality of blocking bars are uniformly welded on the blocking vertical ladder 4 at intervals, and in order to ensure installation, the intervals between the blocking bars are half meters. The two blocking vertical ladders 4 are respectively and fixedly installed on the elevator well walls on the left side and the right side of the elevator car 1, and in the example, the blocking vertical ladders can be directly and fixedly connected between the guide rail groups.
The left and right sides is close to the edge and installs connecting axle 5 that distributes around installing through the supporting seat respectively on the top surface of car 1, rotates two obstruction wanes 3 of installation through the axle sleeve on every connecting axle 5. The lower end of each arresting rocker 3 is provided with an arresting hook 31 bent downwards. The upper ends of the two arresting seesaws 3 arranged on the same connecting shaft 5 are fixedly connected through a connecting rod 6; the two connecting rods 6 are respectively fixedly connected with a hoisting rope through branch ropes. Therefore, the elevator car is driven to move up and down under the traction of one hauling rope. Four limit blocks 7 are fixedly arranged on the top surface of the car 1, and each limit block 7 correspondingly limits each blocking hook 31 to rotate inwards; the upper portion of every stopping wane 3 is equipped with extension spring 8, and the other end of extension spring 8 is fixed at 1 top surface of car. Therefore, when the car is in a normal running state, one hauling rope pulls the four arresting wanes to drive the car, and the limiting block is in stressed contact with the arresting hook 31, so that the stress stability of the arresting wanes is ensured.
The elevator anti-falling device specifically protects the working process as follows:
when the hauling rope is broken, the upper end of the blocking wane loses traction force, the blocking wane rotates rapidly under the action of the tension spring and the self-gravity, the blocking hook rotates outwards to exceed the side position of the car and just hooks the blocking lever, and therefore the car is prevented from further falling.
Example 3
The present example is primarily an embodiment applied to elevators without machine room,
as shown in fig. 7, 8 and 9, the anti-falling device for the elevator comprises a car 1, a guide rail group 2 matched with the car 1 to move up and down, two arresting warping plates 3 and two arresting vertical ladders 4. A plurality of blocking bars are uniformly welded on the blocking vertical ladder 4 at intervals, and in order to ensure installation, the intervals between the blocking bars are half meters. Two vertical blocking ladders 4 are respectively and fixedly arranged at the left side and the right side of the back side surface of the cage 1, and in the example, the vertical blocking ladders can be directly and fixedly connected on the two guide rails. The two stopping warping plates 3 are respectively rotatably arranged on the edge positions of the left side surface and the right side surface of the lift car 1 close to the rear side surface through connecting shafts 5; the lower end of each blocking warping plate 3 is a blocking hook 31 which is bent downwards, the upper end of each blocking warping plate 3 is provided with a rotating rope wheel 9, and the left side surface and the right side surface of the lift car 1 are respectively provided with a diversion rope wheel 10. The hoisting ropes are passed successively over the lower sides of the turning sheave 9 and the diverting sheave 10. Two limit blocks 7 are respectively arranged on the left side surface and the right side surface of the lift car 1, one limit block 7 correspondingly limits each blocking hook 31 to rotate inwards, and the other limit block 7 limits the blocking hooks to rotate outwards to a certain angle and then stops; the upper part of each stopping warping plate 3 is provided with a tension spring 8, and the other end of each tension spring 8 is fixed on the side surface of the car 1. Therefore, when the car is in a normal running state, the two hoisting ropes drive the car by rotating the rope pulley and the diversion rope pulley, and the limiting block is in stressed contact with the blocking hook 31, so that the stressed stability of the blocking seesaw is ensured.
The elevator anti-falling device specifically protects the working process as follows:
when the hauling rope is broken, the upper end of the blocking wane loses traction force, the blocking wane rotates rapidly under the action of the tension spring and the self-gravity, the blocking hook rotates outwards to exceed the side position of the car and just hooks the blocking lever, and therefore the car is prevented from further falling.
Claims (7)
1. An elevator anti-falling device comprises a car (1) and a guide rail group (2) which is matched with the car (1) to move up and down, and is characterized by also comprising at least one blocking warped plate (3) and a blocking vertical ladder (4);
a plurality of stopping bars are arranged on the stopping vertical ladder (4), and the stopping vertical ladder (4) is fixedly arranged on the elevator shaft wall at the side of the elevator car (1); the stopping warping plate (3) is vertically and rotatably arranged at the position, close to the stopping vertical ladder (4), outside the car (1), the lower end of the stopping warping plate (3) is provided with a downward stopping hook (31), and the upper end of the stopping warping plate (3) is fixedly connected with a traction rope; when the hauling cable is broken, the blocking hook (31) extends out of the outer side of the cage (1) and is hooked on the blocking lever in a rotating mode.
2. The elevator fall preventing device according to claim 1, characterized in that the number of the blocking vertical ladders (4) is two and is respectively positioned at the left and right sides of the car (1); the quantity of arresting wane (3) is four, connecting axle (5) that the front and back distributes are installed respectively to the left and right sides on the top surface of car (1), rotate on every connecting axle (5) and install two arresting wanes (3).
3. The elevator fall protection device according to claim 2, characterized in that the upper end of each arrester rocker (3) is fixedly connected with a hoisting rope by a rope hitch.
4. The elevator fall preventing device according to claim 2, characterized in that the upper ends of two arresting seesaws (3) mounted on the same connecting shaft (5) are fixedly connected by a connecting rod (6); the two connecting rods (6) are respectively fixedly connected with a hoisting rope through branch ropes.
5. The elevator anti-falling device according to any one of claims 2-4, characterized in that four limit blocks (7) are arranged on the top surface of the car (1), and each limit block (7) correspondingly limits inward rotation of each blocking hook (31); the upper part of each stopping warping plate (3) is provided with a tension spring (8), and the other end of each tension spring (8) is fixed on the top surface of the car (1).
6. The elevator fall preventing device according to claim 1, characterized in that the number of the blocking vertical ladders (4) is two and is respectively positioned at the left and right sides of the rear side surface of the cage (1); the number of the blocking seesaws (3) is two, and the two blocking seesaws (3) are respectively rotatably arranged on the left side surface and the right side surface of the lift car (1) close to the rear side surface through a connecting shaft (5); the upper end of each blocking wane (3) is provided with a rotating rope wheel (9), and the left side surface and the right side surface of the lift car (1) are respectively provided with a diversion rope wheel (10); the hoisting rope is passed successively around the lower sides of the rotating sheave (9) and the diverting sheave (10).
7. The elevator falling prevention device according to claim 6, characterized in that limiting blocks (7) are respectively arranged on the left side and the right side of the car (1), and each limiting block (7) correspondingly limits inward rotation of each blocking hook (31); the upper part of each stopping warping plate (3) is provided with a tension spring (8), and the other end of each tension spring (8) is fixed on the side surface of the car (1).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811343581 | 2018-11-13 | ||
| CN2018113435813 | 2018-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210236803U true CN210236803U (en) | 2020-04-03 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920958994.6U Active CN210236803U (en) | 2018-11-13 | 2019-06-25 | Elevator anti-falling device |
| CN201910552588.4A Pending CN111170115A (en) | 2018-11-13 | 2019-06-25 | Elevator anti-falling device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910552588.4A Pending CN111170115A (en) | 2018-11-13 | 2019-06-25 | Elevator anti-falling device |
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| CN (2) | CN210236803U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114194968A (en) * | 2022-01-26 | 2022-03-18 | 浙江西沃电梯有限公司 | Safety protection device for high-speed sightseeing elevator |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112141858A (en) * | 2020-08-20 | 2020-12-29 | 浙江益仓机电有限公司 | Sightseeing elevator |
| 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 |
-
2019
- 2019-06-25 CN CN201920958994.6U patent/CN210236803U/en active Active
- 2019-06-25 CN CN201910552588.4A patent/CN111170115A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114194968A (en) * | 2022-01-26 | 2022-03-18 | 浙江西沃电梯有限公司 | Safety protection device for high-speed sightseeing elevator |
| CN114194968B (en) * | 2022-01-26 | 2023-08-29 | 浙江西沃电梯有限公司 | High-speed sightseeing elevator safety arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111170115A (en) | 2020-05-19 |
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