CN212712267U - Rope loosening protection device of elevator - Google Patents
Rope loosening protection device of elevator Download PDFInfo
- Publication number
- CN212712267U CN212712267U CN202021652058.1U CN202021652058U CN212712267U CN 212712267 U CN212712267 U CN 212712267U CN 202021652058 U CN202021652058 U CN 202021652058U CN 212712267 U CN212712267 U CN 212712267U
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Abstract
The utility model discloses a slack rope protection device of elevator, including rope hitch plate and fag end combination, the below of rope hitch plate is equipped with the action board, the spring correspondence of fag end combination sets up the top at the action board, the action board hangs the below at the spring of fag end combination, the below of action board is equipped with a plurality of safety switch. This utility model has the advantages that this slack rope protection device of elevator simple structure, the spring of action board and fag end combination keeps safe distance under the wire rope normal conditions, and safety switch keeps safe distance with the action board, and when fracture or lax phenomenon appear in wire rope, the spring of fag end combination pushes down the action board, and the action board moves down and triggers arbitrary one or more safety switch, and the safety circuit disconnection, elevator stop motion because the effect of extension spring need not set up reset switch.
Description
Technical Field
The utility model belongs to the technical field of elevator safety, especially, relate to a slack rope protection device of elevator.
Background
As elevators are widely used in various public places, the safety of elevators is more emphasized by people. Among them, the phenomena of breakage, looseness and the like are easily caused in the operation of the elevator by the dragged steel wire rope, and how to rapidly trigger the safety switch to disconnect the safety circuit and stop the operation of the elevator is a problem which is discussed in recent years. The slack rope protection devices in the prior art are complex in construction and require excessive installation and commissioning in the field.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve among the prior art elevator slack rope protection device structure complicated, the problem of on-the-spot installation and debugging difficulty provides a slack rope protection device of elevator.
The utility model adopts the technical scheme as follows:
the rope loosening protection device for the elevator comprises a rope hitch plate and a rope head combination, wherein an action plate is arranged below the rope hitch plate, a spring of the rope head combination is correspondingly arranged above the action plate, the action plate is hung below the spring of the rope head combination, and a plurality of safety switches are arranged below the action plate. This slack rope protection device of elevator simple structure, action plate and rope fastening's spring keeps safe distance under the wire rope normal conditions, and safety switch keeps safe distance with the action plate, and when fracture or lax phenomenon appear in wire rope, the spring of rope fastening pushes down the action plate, and the action plate moves down and triggers arbitrary one or more safety switch, and the safety circuit disconnection, elevator stop operation also need not reset switch after wire rope has been repaiied.
Furthermore, the action plate is connected with the rope hitch plate through two tension springs, and the two tension springs are arranged on the action plate and the rope hitch plate in a left-right mode. When the elevator normally runs, the action plate enables the action plate and a spring combined with the rope head to keep a safe distance and the action plate and the safety switch to keep a safe distance through the tension spring.
Furthermore, a first connecting plate and a second connecting plate are fixedly installed on the left side and the right side of the rope hitch plate respectively, a third connecting plate is fixedly connected between the first connecting plate and the second connecting plate, three safety switches are installed on the third connecting plate, and the three safety switches are evenly distributed below the action plate. The three safety switches ensure that the safety switches are triggered no matter where the action plate moves downwards.
Further, the first connecting plate and the second connecting plate are fixed on the rope hitch plate through bolts. The bolt is fixed conveniently and firmly.
Furthermore, a plurality of bolt mounting holes are formed in the lower ends of the first connecting plate and the second connecting plate, and the third connecting plate is connected with the first connecting plate and the second connecting plate through bolts. The third connecting plate can be adjusted up and down, and the distance between the safety switch and the action plate is adjusted.
Furthermore, reinforcing ribs are arranged between the rope hitch plate and the first connecting plate and between the rope hitch plate and the second connecting plate, and reinforcing ribs are arranged between the third connecting plate and the first connecting plate and between the third connecting plate and the second connecting plate. The reinforcing ribs enhance the strength between the connecting plates.
The utility model discloses following beneficial effect has: this slack rope protection device of elevator simple structure, action plate and rope fastening's spring keeps safe distance under the wire rope normal conditions, and safety switch keeps safe distance with the action plate, and when fracture or lax phenomenon appear in wire rope, the spring of rope fastening pushed down the action plate, and the action plate moves down and triggers arbitrary one or more safety switch, and the safety circuit disconnection, elevator stop operation need not set up reset switch because the effect of extension spring.
Drawings
Fig. 1 is a schematic view of the installation structure of the present invention.
In the figure, 1 is a rope end combination, 2 is a rope end plate, 3 is a tension spring, 4 is a third connecting plate, 5 is a safety switch, 6 is an action plate, 7 is a first connecting plate, and 8 is a second connecting plate.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Example (b): as shown in fig. 1, the rope loosening protection device for the elevator comprises a rope hitch plate 2 and a rope end combination 1, wherein an action plate 6 is arranged below the rope hitch plate 2, a spring of the rope end combination 1 is correspondingly arranged above the action plate 6, the action plate 6 is hung below the spring of the rope end combination 1, and a plurality of safety switches 5 are arranged below the action plate 6. This slack rope protection device of elevator simple structure, action plate 6 keeps safe distance with rope end combination 1's spring under the wire rope normal conditions, safety switch 5 keeps safe distance with action plate 6, when fracture or lax phenomenon appear in wire rope, rope end combination 1's spring pushes down action plate 6, action plate 6 moves down and triggers arbitrary one or more safety switch 5, the safety circuit disconnection, elevator stop operation, because the effect of extension spring need not set up reset switch.
The action plate 6 is connected with the rope hitch plate 2 through the tension springs 3, the tension springs 3 are arranged in two, and the action plate 6 and the rope hitch plate 2 are installed on the left side, the right side and the left side. When the elevator normally runs, the action plate 6 keeps a safe distance between the action plate 6 and the spring of the rope end combination 1 and the action plate 6 and the safety switch 5 through the tension spring 3.
The left side and the right side of the rope hitch plate 2 are respectively and fixedly provided with a first connecting plate 7 and a second connecting plate 8, a third connecting plate 4 is fixedly connected between the first connecting plate 7 and the second connecting plate 8, the third connecting plate 4 is provided with three safety switches 5, and the three safety switches 5 are evenly distributed below the action plate 6. The three safety switches 5 ensure that the safety switches 5 are activated regardless of where the action plate 6 is moved downwards. The three safety switches are in parallel connection.
The first connecting plate 7 and the second connecting plate 8 are fixed on the rope hitch plate 2 through bolts. The bolt is fixed conveniently and firmly.
The lower extreme of first connecting plate 7 and second connecting plate 8 all is equipped with a plurality of bolt mounting hole, all through bolted connection between third connecting plate 4 and first connecting plate 7, third connecting plate 4 and the second connecting plate 8. The third connecting plate 4 can be adjusted up and down to adjust the distance between the safety switch 5 and the action plate 6.
Reinforcing ribs are arranged between the rope hitch plate 2 and the first connecting plate 7 and between the third connecting plate 4 and the second connecting plate 8. The reinforcing ribs enhance the strength between the connecting plates.
The action process of the rope loosening protection device is as follows: when the steel wire rope is normal, the action plate 6 enables the action plate 6 and a spring of the rope head combination 1 to keep a safe distance through the action of the tension spring 3, and the safety switch 5 and the action plate 6 keep a safe distance; when the steel wire rope is broken or loosened, the original spring on the rope head combination 1 can apply force to the action plate 6, the action plate 6 acts downwards through the action of the force, the action plate 6 touches any one safety switch 5 or a plurality of safety switches 5 to break a safety loop, and the elevator stops running.
Claims (6)
1. The rope loosening protection device of the elevator comprises a rope hitch plate (2) and a rope end combination (1), and is characterized in that an action plate (6) is arranged below the rope hitch plate (2), a spring of the rope end combination (1) is correspondingly arranged above the action plate (6), the action plate (6) is hung below the spring of the rope end combination (1), and a plurality of safety switches (5) are arranged below the action plate (6).
2. The rope loosening protection device for the elevator as claimed in claim 1, wherein the action plate (6) is connected with the rope hitch plate (2) through the tension springs (3), and the tension springs (3) are provided in two, one left and one right, and are arranged on the action plate (6) and the rope hitch plate (2).
3. The rope loosening protection device for the elevator as claimed in claim 1, wherein the rope hitch plate (2) is fixedly provided with a first connecting plate (7) and a second connecting plate (8) at the left and right sides, respectively, a third connecting plate (4) is fixedly connected between the first connecting plate (7) and the second connecting plate (8), three safety switches (5) are arranged on the third connecting plate (4), and the three safety switches (5) are evenly distributed below the action plate (6).
4. The rope slacking protection device for an elevator according to claim 3, characterized in that the first connecting plate (7) and the second connecting plate (8) are fixed to the rope hitch plate (2) by bolts.
5. The rope loosening protection device for the elevator as claimed in claim 3, wherein the lower ends of the first connecting plate (7) and the second connecting plate (8) are provided with a plurality of bolt mounting holes, and the third connecting plate (4) is connected with the first connecting plate (7), the third connecting plate (4) and the second connecting plate (8) through bolts.
6. The rope loosening protection device for the elevator according to claim 3, wherein reinforcing ribs are arranged between the rope hitch plate (2) and the first connecting plate (7) and the second connecting plate (8), and reinforcing ribs are arranged between the third connecting plate (4) and the first connecting plate (7) and the second connecting plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021652058.1U CN212712267U (en) | 2020-08-11 | 2020-08-11 | Rope loosening protection device of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021652058.1U CN212712267U (en) | 2020-08-11 | 2020-08-11 | Rope loosening protection device of elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212712267U true CN212712267U (en) | 2021-03-16 |
Family
ID=74913217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021652058.1U Active CN212712267U (en) | 2020-08-11 | 2020-08-11 | Rope loosening protection device of elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212712267U (en) |
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2020
- 2020-08-11 CN CN202021652058.1U patent/CN212712267U/en active Active
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