CN203451084U - Lifting compensation system of rack variable-amplitude portal crane - Google Patents
Lifting compensation system of rack variable-amplitude portal crane Download PDFInfo
- Publication number
- CN203451084U CN203451084U CN201320380676.9U CN201320380676U CN203451084U CN 203451084 U CN203451084 U CN 203451084U CN 201320380676 U CN201320380676 U CN 201320380676U CN 203451084 U CN203451084 U CN 203451084U
- Authority
- CN
- China
- Prior art keywords
- lifting
- amplitude
- compensation system
- portal crane
- luffing
- 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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Abstract
The utility model relates to a lifting compensation system of a rack variable-amplitude portal crane. The lifting compensation system comprises a lifting reel (1) and a lifting steel wire rope (2) which is wound on the lifting reel (1), and is characterized in that a plurality of compensation pulleys (3) are arranged on a herringbone frame and an arm frame of the rack variable-amplitude portal crane; the lifting steel wire rope (2) is repeatedly wound on the compensation pulleys (3). By increasing the stroke of the steel wire ropes, the hoisting height change of a crane during amplitude variation is reduced, requirements for installation and accurate positioning are met, and the working efficiency is improved.
Description
Technical field
The utility model relates to a kind of gear or tooth bar luffing span winch, mainly applies to large-scale heavy industry enterprise and harbour.The technical field that belongs to elevator machinery.
Background technology
Tooth bar or tooth bar changing-breadth system mainly apply on the large-scale high pedestal jib cranes such as shipyard and harbour, and confidential each mechanism speed asked of large-scale heavy industry enterprise's door is slow, can realize straight line micro-displacement, to meet the needs of assembling etc.Tooth bar and screw rod luffing safety factor are high, and luffing power of motor is less, save the energy.
This type of luffing door machine is because of the variation of jib angle when luffing, and the height of lift heavy goods can change, and height change produces considerable influence, particularly shipyard door machine for using, very high for the requirement of coordinate, does not allow to occur the variation of lifting altitude.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of hoisting compensation system of tooth bar luffing door machine is provided, while realizing luffing lift heavy approach horizontal displacement, the fluctuating that as far as possible reduces to hang thing, guarantees the needs of assembling and mounting.
The purpose of this utility model is achieved in that a kind of hoisting compensation system of tooth bar luffing door machine, it comprises hoisting drum and is wound on the hoist rope on hoisting drum, on the Shears of described tooth bar luffing door machine and jib, be provided with a plurality of tension pulleys, described hoist rope is repeatedly wrapped on described tension pulley.
Compared with prior art, the beneficial effects of the utility model are:
When the utility model reduces luffing by increasing the stroke of steel rope, the height change of craning weight of same, meets the needs of installing and accurately locating, and increases work efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein:
Hoisting drum 1
Hoist rope 2
The specific embodiment
Referring to Fig. 1, the utility model relates to a kind of hoisting compensation system of tooth bar luffing door machine, comprise hoisting drum 1 and be wound on the hoist rope 2 on hoisting drum 1, on the Shears of described tooth bar luffing door machine and jib, be provided with a plurality of tension pulleys 3, described hoist rope is wrapped in for more than 2 time on described tension pulley 3, be wound around number of times more than six times, increase along with hoisting crane, be wound around increased frequency, by increasing the stroke of hoist rope, play rising during luffing before and be changed to again h, after being repeatedly wound around, play rising and be changed to again h/6, according to multiple authentication, during luffing, height change can guarantee in 5 meters, substantially meet the demand of heavy industry class enterprise.
Claims (1)
1. the hoisting compensation system of a tooth bar luffing door machine, it comprises hoisting drum (1) and is wound on the hoist rope (2) on hoisting drum (1), it is characterized in that being provided with a plurality of tension pulleys (3) on the Shears of described tooth bar luffing door machine and jib, described hoist rope (2) is repeatedly wrapped on described tension pulley (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320380676.9U CN203451084U (en) | 2013-06-29 | 2013-06-29 | Lifting compensation system of rack variable-amplitude portal crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320380676.9U CN203451084U (en) | 2013-06-29 | 2013-06-29 | Lifting compensation system of rack variable-amplitude portal crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203451084U true CN203451084U (en) | 2014-02-26 |
Family
ID=50130981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320380676.9U Expired - Fee Related CN203451084U (en) | 2013-06-29 | 2013-06-29 | Lifting compensation system of rack variable-amplitude portal crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203451084U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104326376A (en) * | 2014-10-17 | 2015-02-04 | 南通润邦重机有限公司 | Port mobile crane capable of proofing storm wind and overturning and transferring by use of mechanism design |
-
2013
- 2013-06-29 CN CN201320380676.9U patent/CN203451084U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104326376A (en) * | 2014-10-17 | 2015-02-04 | 南通润邦重机有限公司 | Port mobile crane capable of proofing storm wind and overturning and transferring by use of mechanism design |
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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 |
Granted publication date: 20140226 Termination date: 20140629 |
|
| EXPY | Termination of patent right or utility model |