CN202926940U - Trolley-walking bidirectional spring buffer device for bridge crane - Google Patents
Trolley-walking bidirectional spring buffer device for bridge crane Download PDFInfo
- Publication number
- CN202926940U CN202926940U CN 201220582608 CN201220582608U CN202926940U CN 202926940 U CN202926940 U CN 202926940U CN 201220582608 CN201220582608 CN 201220582608 CN 201220582608 U CN201220582608 U CN 201220582608U CN 202926940 U CN202926940 U CN 202926940U
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- China
- Prior art keywords
- spring
- trolley
- walking
- sleeve
- buffer device
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- 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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Abstract
The utility model discloses a trolley-walking bidirectional spring buffer device for a bridge crane. Sleeves are fixed on two trolleys respectively, wherein springs are installed inside the sleeves; and a big spring is installed inside one sleeve, and a small spring is installed inside the other sleeve. The springs with different elasticities are installed on the two trolleys respectively, so that when the two trolleys collide with each other, the spring with small elasticity is compressed to the limit and the spring with large elasticity is stressed, thus taking an effective buffer effect and avoiding damage of a walking mechanism due to collision of the trolleys in two directions; and the trolley-walking bidirectional spring buffer device has the advantages of accuracy in trolley positioning, good application effect and no need of spring replacement within three years, and can be widely used as a trolley-walking spring buffer device for the bridge crane.
Description
Technical field:
The utility model relates to factory's mine travelling crane, particularly OTC's trolley walking spring bumper.
Background technique:
The widely used travelling crane of industrial and mining enterprise adopts two lower bassinet structures at present, often has in work the double trolley collision once detected can occur.Excessive for avoiding clashing into, damage traveller, generally adopt the unidirectional spring buffer, but effect is undesirable, addressing this problem becomes urgent need.
The model utility content:
Overcome the deficiencies in the prior art, a kind of damage traveller bidirectional spring buffer of avoiding clashing into is provided.OTC's trolley walking bidirectional spring damping device is difference fixed muffle on two dollies, and mounting spring in sleeve is installed big spring in one of them sleeve, installation little spring in a sleeve.The utility model is due to the different spring of elastic force being installed respectively on two dollies, when car to car impact,
The little spring-compressed of elastic force after the limit, the spring stress that elastic force is large, thus play the effect of effective buffering, avoid double trolley to bump against and damage traveller; The utility model also has the dolly accurate positioning simultaneously, effect is good, and 3 years with the interior advantage that need not to change spring.
Description of drawings:
Fig. 1 is the utility model front view.
Embodiment:
A most preferred embodiment of the present utility model, as figure, OTC's trolley walking bidirectional spring damping device is difference fixed muffle on two dollies, mounting spring in sleeve, the interior installation little spring 1 of its middle sleeve 3, the interior installation big spring 2 of sleeve 5, sleeve 3 are fixed on dolly one end, sleeve 5 is fixed on another dolly one end, and being positioned at two sleeves middle is impinger 4.When car to car impact, the low elastic spring in sleeve 3 is compressed to the limit, and the high elastic force spring in sleeve 5 can not be compressed to the limit, thereby plays the effect of effective buffering.
Claims (1)
1. an OTC's trolley walking bidirectional spring damping device, is characterized in that: difference fixed muffle on two dollies, mounting spring in sleeve, installation big spring in one of them sleeve, installation little spring in a sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220582608 CN202926940U (en) | 2012-11-07 | 2012-11-07 | Trolley-walking bidirectional spring buffer device for bridge crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220582608 CN202926940U (en) | 2012-11-07 | 2012-11-07 | Trolley-walking bidirectional spring buffer device for bridge crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202926940U true CN202926940U (en) | 2013-05-08 |
Family
ID=48216902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220582608 Expired - Fee Related CN202926940U (en) | 2012-11-07 | 2012-11-07 | Trolley-walking bidirectional spring buffer device for bridge crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202926940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107344614A (en) * | 2017-07-19 | 2017-11-14 | 胡俊 | A kind of undercarriage buffer unit |
-
2012
- 2012-11-07 CN CN 201220582608 patent/CN202926940U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107344614A (en) * | 2017-07-19 | 2017-11-14 | 胡俊 | A kind of undercarriage buffer unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180606 Granted publication date: 20130508 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210606 Granted publication date: 20130508 |
|
| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20171107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |