CN201713253U - Heavy-hammer limiting device - Google Patents
Heavy-hammer limiting device Download PDFInfo
- Publication number
- CN201713253U CN201713253U CN2010201402127U CN201020140212U CN201713253U CN 201713253 U CN201713253 U CN 201713253U CN 2010201402127 U CN2010201402127 U CN 2010201402127U CN 201020140212 U CN201020140212 U CN 201020140212U CN 201713253 U CN201713253 U CN 201713253U
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- weight
- heavy hammer
- heavy
- hammer
- limit switch
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Abstract
The utility model relates to a heavy-hammer limiting device, which belongs to the technical field of the application of a limit switch on a hoisting apparatus, and comprises a limit switch, a balance weight lever, a tension rope and a heavy hammer, wherein the limit switch is fixed with a motor hoist, and the heavy hammer is hung at the end of the weight balance lever through the tension rope. The limiting device is improved in that the heavy hammer is barrel-shaped, and the wire rope of the motor hoist penetrates through the central hole of the heavy hammer. As heavy hammer is barrel-shaped, and the wire rope of the motor hoist penetrates through the central hole of the heavy hammer, the side effects of the malfunction caused by all mechanisms of a crane on the limiting, impulsive force and tension vibration of the heavy hammer is removed, as a result, the heavy hammer malfunction is avoided, and the serious accident that the ring-shaped bolt of the heavy hammer drops to cause the heavy hammer to drop as hanging hook striker is hooked with the ring-shaped bolt of the heavy hammer is avoided; and the contact area of the heavy steel and rope is enlarged, and the heavy hammer adopts a solid structure with a rather thick side wall, and therefore heavy hammer has excellent wear resistance, is difficult to wear through, has long service life, requires no frequent heavy hammer replacement, and reduces the labor intensity of replacing the heavy hammer.
Description
Technical field
The utility model relates to a kind of weight hammer type inhibiting device, and especially a kind of weight hammer type rising inhibiting device of weight-lifting equipment hoist ceiling crane belongs to the applied technical field of limit switch on weight-lifting equipment.
Background technology
At present; nearly all lifting electric block all uses circuit fire stop (also deserving to be called position, ceiling device) to control the stroke of electric block; poor in some heavy industry enterprises owing to environmental conditions; seriously corroded; often the spacing use of cutoff has been less than just having damaged half a year, and repairs or change relatively difficulty, resets the position limitation protection that respectively do not rise if rise; will damage lifting electric block body easily, even cause safety misadventure.
In addition, the weight of the weight inhibiting device of domestic lifting electric block all adopts weight to add annular backing ring ways of connecting.As Chinese utility model patent " a kind of rising inhibiting device of lifting electric block ", patent No. 200720195622.X, be fixed with respectively on its weight location sensitive circle (annular backing ring), with weight linear meter bonded assembly tension rope, this location sensitive snare is on the steel rope of hoist ceiling crane.When the cutoff device of this structure was worked in each mechanism of hoisting crane, often because of the weight misoperation very easily takes place for impulse force, tension force shake, annular bolt easily got loose, the serious accident that causes weight to fall; The annular backing ring is easy to wear, changes the frequency height, and it is big to change labour intensity, just in case spacing failure accidents is very easily taken place after rubbing; And climbing maintenance is difficulty very, and it is very inconvenient that spot check is safeguarded, change steel rope is more particularly removed and recovered spacing difficulty more.
The utility model content
The utility model wants the technical solution problem to be: overcome existing weight-lifting equipment weight hammer type cutoff device malfunction rate height, annular backing ring shortcoming easy to wear, provide the malfunction rate to hang down a kind of weight hammer type inhibiting device, can effectively avoid lifting electric block body to damage and the initiation safety misadventure.
In order to solve above technical matters, a kind of weight hammer type inhibiting device of the present utility model, its composition comprises: the limit switch, tension rope, the weight that have weight linear meter, described limit switch and hoist ceiling crane are fixed, described weight hangs on the end of weight linear meter by tension rope, its improvements are: described weight is barrel-shaped, and the steel rope of hoist ceiling crane passes from the centre hole of weight.
The utility model working process is as follows: the weight hammer type inhibiting device is fixed on appropriate location, cucurbit shell place, its normally closed interlock string is in the contactless coil loop that the control suspension hook rises, the spacing rope hauling device of weight makes it to touch weight when suspension hook rises to the limit outside distance cucurbit shell certain distance.Weight is spacing to be in closure state under the deadweight effect of weight, touch weight when suspension hook rises to the Security alert height, tension rope becomes relaxed state by tension, makes on the limiting device weight linear meter to rise, the limit switch normally closed contact is disconnected, thereby control electric block contactless for hoisting stop lifting.Prevent the damage equipment body,, play a protective role in order to avoid cause safety misadventure.
Because its weight adopts barrel shaped structure and steel rope serial core, overcome because during the work of each mechanism of hoisting crane,, impulse force spacing, the secondary action when the tension force shake produces misoperation to weight, weight misoperation phenomenon can not take place, suspension hook more can not take place to be hit chi and links weight annular bolt, cause bolt falling, the serious accident that weight falls; The area of contact of steel rope and weight increases, and weight is the thicker entity structure of sidewall, so the resistance to abrasion of weight is good, be difficult for worn out, long service life, the frequency of therefore changing weight reduces greatly, reduced the labour intensity of changing weight, the uptime of guaranteeing weight-lifting equipment.
Further, the weight of this weight hammer type inhibiting device is one by two and half barrel-shaped parts by bolted.Heavily hang down dismounting, maintenance is convenient, and when change steel rope more, removes and recovers spacing simple and convenient, and its efficiency of movement is than former spacing raising 90%, and safe and reliable.
As seen, the utility model ingenious conception, simple in structure, make the processing facility, and use flexible, convenient.At improving electric block safety in utilization aspect, be a kind of desirable novel weight hammer type inhibiting device.After estimating to release, will be subjected to popular welcome in the industry, have good market outlook.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the structural representation of the utility model weight hammer type inhibiting device.
Fig. 2 is the weight top perspective structural representation of the utility model weight hammer type inhibiting device.
The specific embodiment
The weight hammer type inhibiting device of present embodiment, as shown in Figure 1, its composition comprises: the limit switch 1, tension rope 2, the weight 3 that have weight linear meter 5, limit switch 1 (common commercial counterweight limit switch LX33-1) is fixing with hoist ceiling crane 6 welding, weight 3 hangs on the end of weight linear meter 5 by tension rope 2, its improvements are this weight 3 for barrel-shaped, and the steel rope 8 of hoist ceiling crane 6 passes from the centre hole of weight 3.As shown in Figure 1, tension rope 2 passes the centre hole of weight 3, and its two ends are connected with weight linear meter 5 ends by wire clips 4 fastening backs, weight 3 are hung on the end of weight linear meter 5.The weight hang that another kind is equal to is, an end of tension rope is connected with the weight linear meter end, and the other end is fixed on the hoist ceiling crane housing.In this example, weight is positioned at apart from cucurbit shell 600mm place, in the hoist ceiling crane eave tile uphill process, weight is static relatively, its inwall steel rope rubs, and when the hoist ceiling crane suspension hook rises to apart from cucurbit shell 600mm, touches weight and makes the about 20mm of its lifting, weight limit switch normally closed interlock disconnects, and suspension hook stops to rise.
The dismounting of weight for convenience, weight of the present utility model is one by two and half barrel-shaped parts by bolted.As shown in Figure 2, the preferred Hough type of this routine weight weight is made up of two Hough type semicircle buckets 31,32, and the steel rope string gives fastening by articulation bolt 9 and spring shim 10 between two semicircle buckets again.In this example, weight adopts cast steel material, and its intensity is higher, further improves the wear resisting property of weight.
This weight hammer type inhibiting device is installed and used on plum steel steelworks 10T electric block at present, the electric block accident of rushing to summit never appears, effectively ensure the electric block safe handling, greatly reduce the manipulation strength and the difficulty of lifting electric block operating personal, year create the indirect economic effect (safety benefit) that direct economic benefit reaches 12.4 ten thousand yuan (save be equipped with material expense, recondition expense and to the influence of main line) and can not estimate.Now become the perfect anti-electric block of a kind of comparative maturity equipment of rushing to summit, its pattern, structural principle are fairly simple, and effect is better.Can be applicable in all lifting electric block fields, both can improve the facility management level, reduce maintenance rate and maintenance cost again.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (6)
1. weight hammer type inhibiting device, its composition comprises: the limit switch, tension rope, the weight that have weight linear meter, described limit switch and hoist ceiling crane are fixed, described weight hangs on the end of weight linear meter by tension rope, it is characterized in that: described weight is barrel-shaped, and the steel rope of hoist ceiling crane passes from the centre hole of weight.
2. weight hammer type inhibiting device according to claim 1 is characterized in that: described weight is one by two and half barrel-shaped parts by bolted.
3. weight hammer type inhibiting device according to claim 2 is characterized in that: described weight is a Hough type weight.
4. weight hammer type inhibiting device according to claim 3 is characterized in that: described tension rope passes the centre hole of weight, and its two ends are connected with the weight linear meter end by the fastening back of wire clips.
5. weight hammer type inhibiting device according to claim 3 is characterized in that: described tension rope passes the centre hole of weight, and the one end is by being connected with the weight linear meter end, and the other end and hoist ceiling crane housing are fixed.
6. according to claim 4 or 5 described weight hammer type inhibiting device, it is characterized in that: described Hough type weight fastens as one by articulation bolt and spring shim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201402127U CN201713253U (en) | 2010-03-25 | 2010-03-25 | Heavy-hammer limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201402127U CN201713253U (en) | 2010-03-25 | 2010-03-25 | Heavy-hammer limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201713253U true CN201713253U (en) | 2011-01-19 |
Family
ID=43459253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201402127U Expired - Fee Related CN201713253U (en) | 2010-03-25 | 2010-03-25 | Heavy-hammer limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201713253U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491182A (en) * | 2011-11-18 | 2012-06-13 | 武汉船用机械有限责任公司 | Heavy hammer type lifting limiter |
| WO2013020259A1 (en) * | 2011-08-05 | 2013-02-14 | 长沙中联重工科技发展股份有限公司 | Limiting weight of over-wind protection switch of crane |
| CN103991792A (en) * | 2014-05-12 | 2014-08-20 | 湖北九鼎起重机械有限公司 | Intelligent limiting and voice alarm device used for hoisting equipment |
| CN109052204A (en) * | 2018-10-26 | 2018-12-21 | 海鹰企业集团有限责任公司 | A kind of raising position limit device for winch |
-
2010
- 2010-03-25 CN CN2010201402127U patent/CN201713253U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013020259A1 (en) * | 2011-08-05 | 2013-02-14 | 长沙中联重工科技发展股份有限公司 | Limiting weight of over-wind protection switch of crane |
| CN102491182A (en) * | 2011-11-18 | 2012-06-13 | 武汉船用机械有限责任公司 | Heavy hammer type lifting limiter |
| CN103991792A (en) * | 2014-05-12 | 2014-08-20 | 湖北九鼎起重机械有限公司 | Intelligent limiting and voice alarm device used for hoisting equipment |
| CN103991792B (en) * | 2014-05-12 | 2017-10-17 | 新沂市草桥工业集聚区发展有限公司 | A kind of crane gear intelligent limit and phonetic alarm device |
| CN109052204A (en) * | 2018-10-26 | 2018-12-21 | 海鹰企业集团有限责任公司 | A kind of raising position limit device for winch |
| CN109052204B (en) * | 2018-10-26 | 2023-07-28 | 海鹰企业集团有限责任公司 | Lifting upper limiting device for winch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20180325 |