CN201077729Y - Electric gourd up-down overrun auto-power-off device - Google Patents
Electric gourd up-down overrun auto-power-off device Download PDFInfo
- Publication number
- CN201077729Y CN201077729Y CNU2007200899732U CN200720089973U CN201077729Y CN 201077729 Y CN201077729 Y CN 201077729Y CN U2007200899732 U CNU2007200899732 U CN U2007200899732U CN 200720089973 U CN200720089973 U CN 200720089973U CN 201077729 Y CN201077729 Y CN 201077729Y
- Authority
- CN
- China
- Prior art keywords
- lifting
- descending
- power
- electric hoist
- push plate
- 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.)
- Expired - Fee Related
Links
Landscapes
- Control And Safety Of Cranes (AREA)
Abstract
The utility model discloses an automatic power-off device for overrun lifting and descending of electric hoist, which comprises a rope-guider clamp plate, one end of the rope-guider clamp plate is connected vertically and upwardly with a double-head support, the upper end of the double-head support is provided with two homocentric installation holes, a lifting-descending sensor push plate is connected vertically and outwardly between the two homocentric installation holes by bolts and nuts, the outer end of the lifting-descending sensor push plate is bigger than the inner end of the lifting-descending sensor push plate and is arc-shaped. The installation of the power-off device is in place of the installation of the prior rope guider clamp plate, when lifted in position, the sensor push plate is contacted with the lifting and descending sensors at left and right ends of reeling cylinder of electric hoist each other, the main motor is powered off by the anti-deflection limit controller arranged on the electric hoist through signal transmission, thereby protecting the motor and corresponding equipments effectively from not being damaged.
Description
Technical field:
The utility model relates to weight-lifting equipment, and particularly a kind of degree of automation height can effectively be controlled and hoists or the lifting auto-power-off device that transfinites of the electric block that transfinites and have an accident of descending.
Background technology:
At present, the power down function that hoists, descends, stops of electric block all is made up of mechanical transmissioning piece, is controlled with manually operating.The shortcoming that exists is that sensitivity is low, and poor reliability when lifting value of overstepping the extreme limit or the adhesion of motor ac contactor contact take place, causes the accident of not stopping easily, damages parts.
Summary of the invention:
The purpose of this utility model provides automatic, the failure-free up-down overload auto-power-off device for electric hoist of a kind of lifting control.
Technical solution of the present utility model is finished like this, it comprises a rope guide clamp, it is characterized in that: the end at the rope guide clamp is connected with a double end support vertically upward, double end support upper end is provided with two concentric mounting holes, between mounting hole with bolt, nut vertically to being externally connected with the push pedal of a lifting sensor.The outer end of lifting sensor push pedal is greater than the inner and camber.
This breaker device replaces original rope guide clamp when mounted and installs; when lifting puts in place; contact by the ascending, descending sensor of holding about sensor push pedal and electric gourd drum; anti-tiltedly draw the supply disconnecton of limit controller by signal transmission by what be provided with on the electric block, protect motor and equipment thereof not to be damaged effectively main motor.
Description of drawings:
Accompanying drawing is a structural representation of the present utility model.
The specific embodiment:
Structure of the present utility model as shown in drawings, it is to connect a double end support 5 vertically upward in rope guide clamp 1 outer end of existing electric block, be provided with two concentric mounting holes in double end support upper end, in two concentric mounting holes, be fixedly connected with lifting sensor push pedal 2 with bolt 3 and nut 4 are outwards vertical.The outer end of lifting sensor push pedal is greater than the inner and camber, as the fan-folded shape of opening.The lifting sensor that this shape can be adapted to various models and function uses.
Claims (2)
1. up-down overload auto-power-off device for electric hoist, it comprises a rope guide clamp, it is characterized in that: the end at the rope guide clamp is connected with a double end support vertically upward, double end support upper end is provided with two concentric mounting holes, between mounting hole with bolt, nut vertically to being externally connected with the push pedal of a lifting sensor.
2. a kind of up-down overload auto-power-off device for electric hoist as claimed in claim 1 is characterized in that: the outer end of lifting sensor push pedal is greater than the inner and camber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200899732U CN201077729Y (en) | 2007-04-10 | 2007-04-10 | Electric gourd up-down overrun auto-power-off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200899732U CN201077729Y (en) | 2007-04-10 | 2007-04-10 | Electric gourd up-down overrun auto-power-off device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201077729Y true CN201077729Y (en) | 2008-06-25 |
Family
ID=39569786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200899732U Expired - Fee Related CN201077729Y (en) | 2007-04-10 | 2007-04-10 | Electric gourd up-down overrun auto-power-off device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201077729Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105253801A (en) * | 2015-11-10 | 2016-01-20 | 八达机电有限公司 | Electric block |
-
2007
- 2007-04-10 CN CNU2007200899732U patent/CN201077729Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105253801A (en) * | 2015-11-10 | 2016-01-20 | 八达机电有限公司 | Electric block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080625 Termination date: 20110410 |