CN209143420U - Elevator rope break detection device and elevator - Google Patents
Elevator rope break detection device and elevator Download PDFInfo
- Publication number
- CN209143420U CN209143420U CN201821424807.8U CN201821424807U CN209143420U CN 209143420 U CN209143420 U CN 209143420U CN 201821424807 U CN201821424807 U CN 201821424807U CN 209143420 U CN209143420 U CN 209143420U
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- elevator
- balance plate
- detection device
- balance
- break detection
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Abstract
The utility model provides a kind of elevator rope break detection device and elevator.The elevator rope break detection device is used to detect the relaxation or fracture of unilateral steel band in the elevator with two parallel steel bands, every steel band is mounted in traction machine installing plate by rope end, elevator rope break detection device includes: balance plate, it is installed in rotation in traction machine installing plate by balancing board shaft, the rope end of two steel bands is connect in the radially opposite sides of balance board shaft with balance plate respectively, and the power that two steel bands are acted at work on balance plate remain stationary balance plate；With the safety return circuit travel switch being mounted in traction machine installing plate；When the relaxation or fracture in two steel bands, balance plate is around balance board shaft rotation, so that one end of balance plate is contacted with safety return circuit travel switch.The elevator rope break detection device and elevator of the utility model can keep elevator out of service in the relaxation of unilateral steel band or fracture of double Steel belt elevators, and structure is simple, high reliablity.
Description
Technical field
The utility model relates to elevator technology fields.Specifically, the utility model relates to one kind for having two steel
The elevator rope break detection device and elevator of relaxation or the fracture of unilateral steel band are detected in the elevator of band.
Background technique
Steel band type home lift generally lifts carriage using two steel bands, when steel band relaxation therein or disconnects
When, if elevator can still continue to run, and such case is abnormally dangerous without safety detection device.Currently employed disconnected rope
Usually structure is complicated and reliability is low for detection device.
102358546 A of CN discloses a kind of elevator rope breakage protection device, using shackle spring in strip breakage
When elongation come to detection plate apply pressure, push detection plate overcome the pulling force of disconnected rope device spring and be subjected to displacement, to touch
Hair resets the safety return circuit that limit switch disconnects elevator.This protective device needs multiple spring members, to the mechanicalness of spring
It can be more demanding.
Accordingly, it is desirable to provide a kind of relaxation for being able to detect unilateral steel band or fracture and structure are simple, the electricity of high reliablity
Terraced rope break detection device.
Utility model content
The above problem is resolved by elevator rope break detection device according to the present utility model.Elevator rope break detection
Device is used to detect the relaxation or fracture of unilateral steel band in the elevator with two parallel steel bands, and every steel band is pacified by rope end
In traction machine installing plate, which includes: balance plate, is installed in rotation on by balancing board shaft
In traction machine installing plate, the rope end of two steel bands is connect in the radially opposite sides of balance board shaft with balance plate respectively, and two steel
The power that band is acted at work on balance plate remain stationary balance plate；It is returned with the safety being mounted in traction machine installing plate
Road travel switch；Wherein, when the relaxation or fracture in two steel bands, balance plate is around balance board shaft rotation, so that flat
One end of weighing apparatus plate is contacted with safety return circuit travel switch.The elevator rope break detection device utilizes lever principle, is to balance board shaft
Fulcrum, the power that the rope end of two steel bands acts on balance plate make balance plate keep balance, and when unilateral steel band is loose or disconnected
When splitting, balance plate disequilibrium and to side rotate, trigger safety return circuit travel switch, stop elevator to disconnect safety return circuit
Only run.
A preferred embodiment according to the present utility model, elevator rope break detection device include that two safety return circuit strokes are opened
It closes, two safety return circuit travel switches are contacted when balance plate is rotated along two opposite directions with balance plate respectively, thus in office
Safety return circuit travel switch can be triggered by balance plate when the steel band relaxation or fracture of side.Preferably, in balance plate
Rotational plane in, two safety return circuit travel switches can be located at the two opposite sides of steel band, alternatively, two safety return circuits
Travel switch can also the same side in steel band and the two sides in balance plate at upper and lower arrangement, so as to realize balance plate not
One of safety return circuit travel switch can be contacted in same rotation direction.
Another preferred embodiment according to the present utility model, it is flat that the end of balance plate is formed with the rotation perpendicular to balance plate
The trigger board that face extends.Trigger board can when balance plate rotates touch-safe circuit travel switch.
Another preferred embodiment according to the present utility model, two rope end axis are installed in rotation on balance plate, and two
Rope end axis be located at balance board shaft radially opposite sides and with balance board shaft it is parallel, two rope ends are fixed with two rope end axis respectively
Connection.Rope end is rotatably coupled by rope end axis with balance plate, convenient for pulling balance plate around balance board shaft rotation rope end.
Another preferred embodiment according to the present utility model, balance plate include two axle installing plates, and two axle installing plates are flat
Row extends in the rotational plane of balance plate and is separated from each other along the direction perpendicular to rotational plane, trigger board and/or rope end
Axis and/or balance board shaft are mounted between two axle installing plates.Two parallel axle installing plates provide installation sky for trigger board
Between, and rope end axis can be supported and balance the rotation of board shaft.
Another preferred embodiment according to the present utility model, which includes gag lever post, and gag lever post stops
The rotation for keeping off balance plate, prevents balance plate rotational angle excessive.
Another preferred embodiment according to the present utility model, safety return circuit travel switch is fixed on by switch installation board to be draged
Draw on machine mounting plate.Traction machine installing plate provides firm support for safety return circuit travel switch.
The above problem is also resolved by elevator according to the present utility model, which has two parallel steel
Band, and including elevator rope break detection device as characterized above.
Detailed description of the invention
Introduce the utility model in detail referring to the drawings:
Fig. 1 shows the perspective view of the elevator rope break detection device of embodiment according to the present utility model；With
Fig. 2 shows the perspective views of the balance plate of embodiment according to the present utility model.
Specific embodiment
The specific embodiment of elevator rope break detection device according to the present utility model is described below with reference to attached drawing.Below
The detailed description and the accompanying drawings for illustratively illustrating the principles of the present invention, the utility model be not limited to it is described preferably
Embodiment, the protection scope of the utility model are defined by the claims.
As shown in Figure 1, including that balance plate 3 and safety are returned according to the elevator rope break detection device of the utility model embodiment
Road travel switch 6.The elevator rope break detection device is suitable for the elevator with two parallel steel bands, the rope end 1 of this two steel bands
It is separately mounted on the traction machine installing plate (not shown) of elevator.Adjustment spring 2 is also equipped on each rope end 1.Balance plate 3
Including two flat axle installing plates 3.1, two axle installing plates 3.1 are spaced apart in parallel.It is fixed in traction machine installing plate
Balance board shaft 3.4 two axle installing plates 3.1 are passed perpendicularly through at horizontal center position so that two axle installing plates 3.1 can be with
By balance 3.4 common rotation of board shaft, rotational plane is parallel with the extension plane of axle installing plate 3.1.In balance board shaft 3.4
Radially opposite sides, are respectively arranged with a rope end axis 3.3, and each rope end axis 3.3 is threaded through two with balance board shaft 3.4 respectively in parallel
Between a axle installing plate 3.1.Two rope end axis 3.3 are fixedly connected with two rope ends 1 respectively, and can be relative to axle installing plate
3.1 rotation.The pulling force of rope end 1 can act on axle installing plate 3.1 by rope end axis 3.3, so that axle installing plate 3.1 be driven to enclose
It is rotated around balance board shaft 3.4.The both ends of balance plate 3 are respectively formed with trigger board 3.2, and trigger board 3.2 is mounted on two axis installations
Extend between the end of plate 3.1 and perpendicular to the rotational plane of balance plate 3.Safety return circuit travel switch 6 passes through switch installation board 5
It is fixed in traction machine installing plate.
After two steel bands of elevator add load, the nut of the adjustment spring 2 on rope end 1 is adjusted, detects disconnected rope
The balance plate 3 of device keeps horizontal.When elevator is when normal condition is run, balance plate 3 is in equilibrium state, safety return circuit stroke
Switch 6 is closed, elevator safety loop connection.When the wherein steel band relaxation or fracture of elevator, it is connect with this root steel band
Rope end 1 can lose pulling force, and under the pulling force effect of another rope end 1, balance plate 3 is by disequilibrium, with not relaxation or fracture
Rope end 1 connect one end move downward under a stretching force so that balance plate 3 entirely around balance board shaft 3.4 rotate, end
Trigger board 3.2 contacted with one of safety return circuit travel switch 6, to be triggered, disconnect safety return circuit, stop elevator
Only run.Preferably, gag lever post 4 can be set on the rotation path of balance plate 3, and gag lever post 4 is fixed on traction machine installing plate
On, 3 inordinate rotation of backstop balance plate or decline, to avoid the damage to elevator other component.
Preferred embodiment according to the present utility model, in the rotational plane of balance plate 3, two safety return circuit travel switches
6 respectively below the both ends that balance plate 3 is arranged in the two sides of steel band, and corresponding with the trigger board 3.2 at 3 both ends of balance plate.When
When the steel band relaxation or fracture of side, balance plate 3 is rotated to a direction, to trigger one of safety return circuit travel switch
6；And when the relaxation of the steel band of the other side or fracture, balance plate 3 then rotates in the opposite direction, returns safely to trigger another
Road travel switch 6.Alternatively, two safety return circuit travel switches 6 also can be set in the same side of steel band, and in balance plate 3
Rotational plane in relative to balance plate 3 same end at upper and lower arrangement.In this way, balance plate 3 can also be in different rotations
One of safety return circuit travel switch 6 is contacted on direction respectively.Safety return circuit travel switch 6 can also cloth otherwise
It sets, as long as balance plate 3 rotates Shi Junneng trigger switch in different directions.
As before, although being illustrated in explanation by reference to exemplary embodiment of the attached drawing to the utility model,
The utility model is not limited to above-mentioned specific embodiment, and the protection scope of the utility model should be by claims and its equivalent
Meaning limits.
Appended drawing reference table
1 rope end；
2 adjustment springs；
3 balance plates；
3.1 axle installing plate；
3.2 trigger board；
3.3 rope end axis；
3.4 balance board shafts；
4 gag lever posts；
5 switch installation boards；
6 safety return circuit travel switches.
Claims (10)
1. a kind of elevator rope break detection device is used to detect the relaxation of unilateral steel band in the elevator with two parallel steel bands
Or fracture, every steel band are mounted in traction machine installing plate by rope end (1),
It is characterized in that,
The elevator rope break detection device includes:
Balance plate (3), the balance plate (3) are installed in rotation in the traction machine installing plate by balancing board shaft (3.4),
The rope end (1) of two steel bands is connect in the radially opposite sides of balance board shaft (3.4) with the balance plate (3) respectively, and
And the power that two steel bands are acted at work on the balance plate (3) remain stationary the balance plate (3)；With
Safety return circuit travel switch (6), the safety return circuit travel switch (6) are mounted in the traction machine installing plate；
Wherein, when the relaxation or fracture in two steel bands, the balance plate (3) surrounds the balance board shaft
(3.4) it rotates, so that one end of the balance plate (3) is contacted with the safety return circuit travel switch (6).
2. elevator rope break detection device according to claim 1, which is characterized in that the elevator rope break detection device includes
Two safety return circuit travel switches (6), two safety return circuit travel switches (6) are respectively on the balance plate (3) edge
It is contacted when two opposite direction rotations with the balance plate (3).
3. elevator rope break detection device according to claim 2, which is characterized in that flat in the rotation of the balance plate (3)
In face, two safety return circuit travel switches (6) are located at the two sides of the steel band.
4. elevator rope break detection device according to claim 2, which is characterized in that flat in the rotation of the balance plate (3)
In face, two safety return circuit travel switches (6) be located at the same side of the steel band and the two sides of the balance plate (3) at
Arrangement up and down.
5. elevator rope break detection device according to claim 1, which is characterized in that the end of the balance plate (3) is formed
There is the trigger board (3.2) of the rotational plane extension perpendicular to the balance plate (3).
6. elevator rope break detection device according to claim 5, which is characterized in that two rope end axis (3.3) are rotationally
Be mounted on the balance plate (3), two rope end axis (3.3) be located at it is described balance board shaft (3.4) radially opposite sides and with
In parallel, two rope ends (1) are fixedly connected with two rope end axis (3.3) the balance board shaft (3.4) respectively.
7. elevator rope break detection device according to claim 6, which is characterized in that the balance plate (3) includes two axis
Mounting plate (3.1), the rotational plane that two axle installing plates (3.1) are parallel to the balance plate (3) extend and along vertical
It is separated from each other in the direction of the rotational plane, the trigger board (3.2) or the rope end axis (3.3) or the balance board shaft
(3.4) it is mounted between two axle installing plates (3.1).
8. elevator rope break detection device according to claim 1, which is characterized in that the elevator rope break detection device includes
Gag lever post (4), the rotation of balance plate (3) described in gag lever post (4) backstop.
9. elevator rope break detection device according to claim 1, which is characterized in that the safety return circuit travel switch (6)
It is fixed in the traction machine installing plate by switch installation board (5).
10. a kind of elevator has two parallel steel bands, which is characterized in that the elevator includes according to claim 1 to 9
Any one of described in elevator rope break detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821424807.8U CN209143420U (en) | 2018-08-31 | 2018-08-31 | Elevator rope break detection device and elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821424807.8U CN209143420U (en) | 2018-08-31 | 2018-08-31 | Elevator rope break detection device and elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209143420U true CN209143420U (en) | 2019-07-23 |
Family
ID=67266673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821424807.8U Active CN209143420U (en) | 2018-08-31 | 2018-08-31 | Elevator rope break detection device and elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209143420U (en) |
-
2018
- 2018-08-31 CN CN201821424807.8U patent/CN209143420U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201602 Building 1, 333 Changye Road, Sheshan District, Songjiang District, Shanghai Patentee after: Tisheng home elevator (Shanghai) Co.,Ltd. Address before: 201602 Building 1, 333 Changye Road, Sheshan District, Songjiang District, Shanghai Patentee before: THYSSENKRUPP ELEVATORS Co.,Ltd. SHANGHAI BRANCH |
|
| CP01 | Change in the name or title of a patent holder |