CN202643182U - A Wire Rope Compensation System for a Single Arm Portal Crane - Google Patents
A Wire Rope Compensation System for a Single Arm Portal Crane Download PDFInfo
- Publication number
- CN202643182U CN202643182U CN 201220181797 CN201220181797U CN202643182U CN 202643182 U CN202643182 U CN 202643182U CN 201220181797 CN201220181797 CN 201220181797 CN 201220181797 U CN201220181797 U CN 201220181797U CN 202643182 U CN202643182 U CN 202643182U
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- pulley
- jib
- head
- compensation system
- rope
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 239000000725 suspension Substances 0.000 claims description 6
- 238000004804 winding Methods 0.000 abstract description 7
- 239000004744 fabric Substances 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
A steel wire rope compensation system of a single-arm-support portal crane comprises a hoisting mechanism winding drum, an upright post of a herringbone frame structure and a pulley block, wherein an arm support is hinged on the upright post, and a pulley support is arranged at the top of the upright post; the pulley block comprises an arm support compensation pulley, an arm support head pulley and a herringbone support head pulley, and the arm support compensation pulley and the arm support head pulley are arranged on the arm support; the head pulley of the propeller strut comprises a front compensation pulley and a rear guide pulley and is arranged on the pulley bracket; a load power take-off pulley is also arranged on the pulley bracket; the device is provided with a steel wire rope which sequentially rounds a hoisting mechanism winding drum, a load power take-off pulley, a rear guide pulley and an arm frame head pulley, and the pulley support is provided with another steel wire rope which sequentially rounds an arm frame compensation pulley, a front compensation pulley and an arm frame head pulley. The utility model discloses become width of cloth horizontal property is superior to S to the winding, can reduce wire rope' S wearing and tearing effectively, and wire rope life-span improves 50%.
Description
Technical field
The utility model relates to weight-lifting equipment, refers in particular to a kind of rope compensation system of single-cantilever-crane gantry crane.
Background technology
Single-cantilever-crane gantry crane adopts the be up to the standard purpose of luffing of the mode of rope compensation, steel rope is drawn by Shears head assembly pulley to suspension hook from reel, during luffing range of cantilever support, the variation of head height of pulley is by the be up to the standard purpose of luffing of compensation pulley group.
Traditional approach is because the wirerope-winding number of times is more, and steel rope produces the S type in load power taking position and twines, and service life of steel rope, normal service life only 600 hours have been shortened in steel rope positive contraflexure repeatedly.
The utility model content
The purpose of this utility model is to provide a kind of can reduce steel rope abrasion, optimizes the rope compensation system that is used for single-cantilever-crane gantry crane of boom balancing system.
For achieving the above object, the utility model adopts following technical scheme:
A kind of rope compensation system of single-cantilever-crane gantry crane comprises column and the assembly pulley of lifting mechanism reel, Shears structure being hinged with a jib on the described column, also is provided with luffing mechanism between described column and the described jib; The top of described column is provided with pulley bracket, and the top of described pulley bracket is hinged with an equalizing bar, and an end of this equalizing bar is provided with counterweight, and the other end is connected with described jib; Described assembly pulley comprises jib tension pulley, jib head pulley and Shears head pulley, wherein, is provided with the jib tension pulley and jib head pulley is successively set on the described jib from the bottom to top; Described Shears head pulley is arranged on the described pulley bracket, and described Shears head pulley comprises precompensation pulley and rear leading sheave; Also be provided with load power taking pulley on the described pulley bracket; Be provided with the first steel rope and walk around successively described lifting mechanism reel, load power taking pulley, rear leading sheave and jib head pulley, the end of this first steel rope is provided with hoisting device, pulley bracket is provided with the second steel rope and walks around successively jib tension pulley, precompensation pulley and jib head pulley, and is connected with described hoisting device.
Further, described rear leading sheave places the top of pulley bracket;
Further, described precompensation pulley and described jib place the same side, and described equalizing bar is connected with described precompensation pulley.
Further, the angle 0o＜R of described the first steel rope and load power taking pulley＜2o.
Preferably, described steel rope is decreased in 1 degree at the angle of rear leading sheave.
Preferably, described hoisting device is suspension hook.
The utility model with steel rope from reel out after, by rear leading sheave realize along around, realize the luffing horizontal displacement by the precompensation pulley, easily realize the optimal design of boom balancing system by the position of pulley before and after regulating.Steel rope is suitable, and the horizontal performance of luffing is better than S to winding, can effectively reduce the wearing and tearing of steel rope around rear, and rope service-life improves 50%.
Description of drawings
Accompanying drawing 1 is constructional drawing of the present utility model;
Accompanying drawing 2 is use constitution diagram of the present utility model.
The specific embodiment
Referring now to accompanying drawing, further describe the utility model.
As shown in Figure 1, a kind of rope compensation system of single-cantilever-crane gantry crane comprises column 2 and the assembly pulley of lifting mechanism reel 1, Shears structure being hinged with a jib 3 on the column 2, also is provided with luffing mechanism 4 between column 2 and the jib 3; The top of column 2 is provided with pulley bracket 21, and the top of pulley bracket 21 is hinged with an equalizing bar 22, and an end of this equalizing bar 22 is provided with counterweight 23, and the other end is connected with jib 3; Assembly pulley comprises jib tension pulley 51, jib head pulley 52 and Shears head pulley, and wherein, jib tension pulley 51 and jib head pulley 52 are successively set on the jib 3 from the bottom to top; Shears head pulley is arranged on the pulley bracket 21, and Shears head pulley comprises precompensation pulley 53 and rear leading sheave 54, and wherein, precompensation pulley 53 and jib 3 place the same side, and equalizing bar 22 is connected with precompensation pulley 53; Also be provided with load power taking pulley 55 on the pulley bracket 21.
Be provided with the first steel rope 61 and walk around successively lifting mechanism reel 31, load power taking pulley 55, rear leading sheave 54 and jib head pulley 52, the end of this first steel wire 61 is provided with suspension hook 7; Pulley bracket 44 is provided with the second steel wire 62 ropes and walks around successively jib tension pulley 51, precompensation pulley 53 and jib head pulley 52, and be connected with suspension hook 7, namely the first steel rope 61 and the second steel rope 62 all along around, the horizontal performance of luffing is better than S to winding, angle between the first steel rope 61 and the load power taking pulley 55 is controlled in 2 degree, because, the lifting mechanism reel is packed up by rotation and is discharged steel rope, realize hoisting and descending maximum 18 circles of wirerope-winding on the hoisting drum, minimum 6 circles of goods, the stroke of steel rope on reel is 480, spacing between reel and the load power taking pulley is larger, and steel rope is less with the angle of load power taking pulley, and the wearing and tearing of steel rope on reel and pulley are less, make rope service-life improve 50%, simultaneously, can also guarantee that when luffing, suspension hook can keep horizontal displacement.
With reference to accompanying drawing 2, when using the utility model, only need be provided with in column 2 bottoms of this rope compensation system and establish successively from the bottom to top a cylindrical base 8, turntable structure 9 and machine house 10, lifting mechanism reel 1 is placed in the machine house 10, can become a kind of single-cantilever-crane gantry crane.
Above-described the utility model embodiment does not consist of the restriction to the utility model protection domain.Any modification of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the claim protection domain of the present utility model.
Claims (6)
1. the rope compensation system of a single-cantilever-crane gantry crane comprises column and the assembly pulley of lifting mechanism reel, Shears structure being hinged with a jib on the described column, also is provided with luffing mechanism between described column and the described jib; The top of described column is provided with pulley bracket, and the top of described pulley bracket is hinged with an equalizing bar, and an end of this equalizing bar is provided with counterweight, and the other end is connected with described jib;
It is characterized in that: described assembly pulley comprises jib tension pulley, jib head pulley and Shears head pulley, wherein, is provided with the jib tension pulley and jib head pulley is successively set on the described jib from the bottom to top; Described Shears head pulley is arranged on the described pulley bracket, and described Shears head pulley comprises precompensation pulley and rear leading sheave; Also be provided with load power taking pulley on the described pulley bracket; Be provided with the first steel rope and walk around successively described lifting mechanism reel, load power taking pulley, rear leading sheave and jib head pulley, the end of this first steel rope is provided with hoisting device, pulley bracket is provided with the second steel rope and walks around successively jib tension pulley, precompensation pulley and jib head pulley, and is connected with described hoisting device.
2. the rope compensation system of a kind of single-cantilever-crane gantry crane according to claim 1 is characterized in that, described rear leading sheave places the top of pulley bracket.
3. the rope compensation system of a kind of single-cantilever-crane gantry crane according to claim 1 is characterized in that, described precompensation pulley and described jib place the same side, and described equalizing bar is connected with described precompensation pulley.
4. the rope compensation system of a kind of single-cantilever-crane gantry crane according to claim 1 is characterized in that, the angle 0o＜R of described the first steel rope and load power taking pulley＜2o.
5. the rope compensation system of a kind of single-cantilever-crane gantry crane according to claim 1 is characterized in that, described the first steel rope is in 1 degree with the angle of load power taking pulley.
6. the rope compensation system of a kind of single-cantilever-crane gantry crane according to claim 1 is characterized in that, described hoisting device is suspension hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220181797 CN202643182U (en) | 2012-04-25 | 2012-04-25 | A Wire Rope Compensation System for a Single Arm Portal Crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220181797 CN202643182U (en) | 2012-04-25 | 2012-04-25 | A Wire Rope Compensation System for a Single Arm Portal Crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202643182U true CN202643182U (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220181797 Expired - Fee Related CN202643182U (en) | 2012-04-25 | 2012-04-25 | A Wire Rope Compensation System for a Single Arm Portal Crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202643182U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640990A (en) * | 2013-11-25 | 2014-03-19 | 无锡起岸重工机械有限公司 | Floating crane |
| CN103640989A (en) * | 2013-11-25 | 2014-03-19 | 无锡起岸重工机械有限公司 | Floating carne balancing device |
| CN104627885A (en) * | 2015-01-29 | 2015-05-20 | 徐工集团工程机械股份有限公司 | Guiding device for optimizing steel wire rope elevation angle |
| CN104891358A (en) * | 2015-04-02 | 2015-09-09 | 北汽福田汽车股份有限公司 | Counterweight moving apparatus and crane |
| CN105502182A (en) * | 2015-12-25 | 2016-04-20 | 三一海洋重工有限公司 | Amplitude change self-balancing device and overhead crane with amplitude change self-balancing function |
| CN106044587A (en) * | 2016-08-15 | 2016-10-26 | 广东中艺重工有限公司 | Fixed crane |
| CN107458967A (en) * | 2017-08-08 | 2017-12-12 | 青岛海西重机有限责任公司 | The new canoe and device of a kind of single arm support crane rope compensation system |
| CN107902553A (en) * | 2017-09-29 | 2018-04-13 | 武汉船用机械有限责任公司 | The steel wire rope power takeoff and crane of a kind of crane |
| CN107986160A (en) * | 2017-11-27 | 2018-05-04 | 广东高达重工机械实业股份有限公司 | A kind of door machine load power takeoff |
| CN113772565A (en) * | 2021-09-07 | 2021-12-10 | 安徽工业大学 | Luffing mechanism with balanced deadweight of jib for single jib of gantry crane |
-
2012
- 2012-04-25 CN CN 201220181797 patent/CN202643182U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640990A (en) * | 2013-11-25 | 2014-03-19 | 无锡起岸重工机械有限公司 | Floating crane |
| CN103640989A (en) * | 2013-11-25 | 2014-03-19 | 无锡起岸重工机械有限公司 | Floating carne balancing device |
| CN104627885A (en) * | 2015-01-29 | 2015-05-20 | 徐工集团工程机械股份有限公司 | Guiding device for optimizing steel wire rope elevation angle |
| CN104891358A (en) * | 2015-04-02 | 2015-09-09 | 北汽福田汽车股份有限公司 | Counterweight moving apparatus and crane |
| CN105502182A (en) * | 2015-12-25 | 2016-04-20 | 三一海洋重工有限公司 | Amplitude change self-balancing device and overhead crane with amplitude change self-balancing function |
| CN106044587A (en) * | 2016-08-15 | 2016-10-26 | 广东中艺重工有限公司 | Fixed crane |
| CN106044587B (en) * | 2016-08-15 | 2018-06-22 | 广东中艺重工有限公司 | Fixed crane |
| CN107458967A (en) * | 2017-08-08 | 2017-12-12 | 青岛海西重机有限责任公司 | The new canoe and device of a kind of single arm support crane rope compensation system |
| CN107902553A (en) * | 2017-09-29 | 2018-04-13 | 武汉船用机械有限责任公司 | The steel wire rope power takeoff and crane of a kind of crane |
| CN107986160A (en) * | 2017-11-27 | 2018-05-04 | 广东高达重工机械实业股份有限公司 | A kind of door machine load power takeoff |
| CN113772565A (en) * | 2021-09-07 | 2021-12-10 | 安徽工业大学 | Luffing mechanism with balanced deadweight of jib for single jib of gantry crane |
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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: 20130102 Termination date: 20170425 |