CN2512759Y - Automatic weight limiter for lift - Google Patents
Automatic weight limiter for lift Download PDFInfo
- Publication number
- CN2512759Y CN2512759Y CN 01276011 CN01276011U CN2512759Y CN 2512759 Y CN2512759 Y CN 2512759Y CN 01276011 CN01276011 CN 01276011 CN 01276011 U CN01276011 U CN 01276011U CN 2512759 Y CN2512759 Y CN 2512759Y
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- CN
- China
- Prior art keywords
- gig
- utility
- model
- base
- self
- 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
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- Control And Safety Of Cranes (AREA)
Abstract
The utility model provides an automatic weight limited device of an elevator, which comprises a base of an elevator. The utility model is characterized in that a touching point switch connected with a main suspension rope, an automatic balance rod contacted with the touching point switch, and a weight limited device formed by a moving balance hammer on the automatic balance rod which are arranged on the base of the elevator. The utility model aims at thoroughly eliminating the hidden danger of safety misadventure caused by overload operation and providing reliable safeguard for safe production; furthermore, the utility model also has the advantages of simple structure, convenient operation, sensitive control, reliable brake, etc. The utility model is really the ideal weight limited device of the elevator.
Description
The utility model relates to a kind of device of volitional check weight, especially a kind of automatic freight weight limit device that uses on gig.
The gig that uses mostly uses wire rope traction at present, the load capacity of its gig all is limited, in use all be to limit the quantity of artificially, when in case the weight of carrying surpasses the setting value of gig, its consequence is hardly imaginable, therefore, is necessary existing gig is improved, produce or construction safety to improve, guarantee carrying out smoothly of engineering.
The purpose of this utility model is to overcome the deficiency of prior art, provides a kind of gig simple in structure, dependable performance automatic freight weight limit device.
The utility model is realized by following technical proposal: it comprises the gig base, it is characterized in that on the base of gig, being provided with and link to each other with main lifting rope and by contact switch, the self-equalizing bar that can contact with this contact switch, with and on the freight weight limit device that constituted of shifting balance hammer.Described self-equalizing bar one end is hinged on the column of gig base by hinge, make it to rotate around hinge-point, the other end places on the base cross bar, and this end is located in the activity of shifting balance hammer, so that shifting balance is hammered into shape as required, reach the purpose of limit for tonnage weight.The fixed link end that described main lifting rope one end is fixed on the self-equalizing bar is positioned at the inboard of hinge-point, and the other end links to each other with hoisting machine by the pulley at gig top.Described contact switch is located at self-equalizing bar top, and is electrically connected with the hoisting machine starter motor, during with the overload of convenient gig, lifts on the trammel beam and moves, and makes it and contact switch bumps against, thereby stops the work of motor, guarantees that the gig of overload is not worked.
The utility model compared with prior art has following advantage and effect: owing to be provided with the overweight device of volitional check on the gig base, thoroughly eliminated the safety misadventure hidden danger that causes because of overload operation, for safety in production provides the failure-free guarantee, the utlity model has advantages such as simple in structure, easy to operate, that control is sensitive, braking is reliable, real is a kind of desirable gig freight weight limit device.
Fig. 1 is the structural representation of the utility model.
Below in conjunction with accompanying drawing the utility model is described further, is not limited in this but hold within the utility model.
Among the figure, 1 is the gig base, 2 is the column of this base, the 3 self-equalizing bars that exceed and reset and put, its left end is hinged on the column 2 by hinge 4, right-hand member places on the cross bar, 5 is gig master lifting rope, the one end is fixed on the self-equalizing bar near on the position of hinge-point 4, and pulley and the pulley on the hanging basket that the other end is walked around the gig top link to each other with hoisting machine, and 6 for closing the contact switch of hoisting machine drive motor, be arranged at the top of self-equalizing bar 3, when self-equalizing bar 3 moves on because of overload, promptly bump against, thereby drive motor is quit work with contact switch 6,7 for being located at the shifting balance hammer of self-equalizing bar right-hand member, can on self-equalizing bar 3, move, and fixing by regulating nail 71, and the weight setting of this bob-weight and the maximum bearing capacity of gig adapt.When the bearing capacity of gig just often, self-equalizing bar 3 is in horizontality, hoisting machine drive motor normal operation under bob-weight 7 effects; When gig overloaded, main lifting rope 5 moved on after overcoming the gravity of bob-weight, and trammel beam 3 is rotated counterclockwise around hinge 4, thereby bumped against with contact switch 6, and drive motor is quit work.
Claims (4)
1, the automatic freight weight limit device of a kind of gig, it comprises the gig base, it is characterized in that being provided with on the base of gig linking to each other with main lifting rope and by contact switch, the self-equalizing bar that can contact with this contact switch, with and on the freight weight limit device that constituted of shifting balance hammer.
2, freight weight limit device according to claim 1 is characterized in that described self-equalizing bar one end is hinged on by hinge on the column of gig base, and the other end places on the base cross bar, and this end is located in the activity of shifting balance hammer.
3, freight weight limit device according to claim 1 is characterized in that fixed link end that described main lifting rope one end is fixed on the self-equalizing bar is positioned at the inboard of hinge-point, and the other end links to each other with hoisting machine by the pulley at gig top.
4, freight weight limit device according to claim 1 is characterized in that described contact switch is located at self-equalizing bar top, and is electrically connected with the hoisting machine starter motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01276011 CN2512759Y (en) | 2001-11-16 | 2001-11-16 | Automatic weight limiter for lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01276011 CN2512759Y (en) | 2001-11-16 | 2001-11-16 | Automatic weight limiter for lift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2512759Y true CN2512759Y (en) | 2002-09-25 |
Family
ID=33680283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01276011 Expired - Fee Related CN2512759Y (en) | 2001-11-16 | 2001-11-16 | Automatic weight limiter for lift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2512759Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085992A (en) * | 2009-12-06 | 2011-06-08 | 王凤藻 | Load lifting limiter of lever type |
-
2001
- 2001-11-16 CN CN 01276011 patent/CN2512759Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085992A (en) * | 2009-12-06 | 2011-06-08 | 王凤藻 | Load lifting limiter of lever type |
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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: 20020925 Termination date: 20101116 |