CN202643182U - Steel wire rope compensating system of single-boom gantry crane - Google Patents

Steel wire rope compensating system of single-boom gantry crane Download PDF

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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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CN
China
Prior art keywords
pulley
jib
boom
steel wire
wire rope
Prior art date
Application number
CN 201220181797
Other languages
Chinese (zh)
Inventor
林宇村
Original Assignee
广东中艺重工有限公司
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Publication date
Application filed by 广东中艺重工有限公司 filed Critical 广东中艺重工有限公司
Priority to CN 201220181797 priority Critical patent/CN202643182U/en
Application granted granted Critical
Publication of CN202643182U publication Critical patent/CN202643182U/en

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Abstract

The utility model provides a steel wire rope compensating system of a single-boom gantry crane, comprising a hoisting mechanism winding drum, a stand column in a propeller strut structure and a pulley block, wherein the stand column is hinged with a boom and a pulley bracket is arranged at the top of the stand column; the pulley block comprises a boom compensating pulley, a boom head pulley and a propeller strut head pulley; the boom compensating pulley and the boom head pulley are arranged on the boom; the propeller strut head pulley comprises a front compensating pulley and a back guide pulley and is arranged on the pulley bracket; the pulley bracket is further provided with a load force fetching pulley; a steel wire rope sequentially winds around the hoisting mechanism winding drum, the load force fetching pulley and the propeller strut head pulley; and the other steel wire rope is arranged on the pulley bracket to sequentially wind around the boom compensating pulley, the front compensating pulley and the boom head pulley. According to the steel wire rope compensating system disclosed by the utility model, an amplitude variation horizontal performance is better than S directional winding, the abrasion to the steel wire rope can be effectively reduced and the service life of the steel wire rope can be prolonged by 50%.

Description

A kind of rope compensation system of single-cantilever-crane gantry crane

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.
CN 201220181797 2012-04-25 2012-04-25 Steel wire rope compensating system of single-boom gantry crane CN202643182U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220181797 CN202643182U (en) 2012-04-25 2012-04-25 Steel wire rope compensating system of single-boom gantry crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220181797 CN202643182U (en) 2012-04-25 2012-04-25 Steel wire rope compensating system of single-boom gantry crane

Publications (1)

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CN202643182U true CN202643182U (en) 2013-01-02

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103640989A (en) * 2013-11-25 2014-03-19 无锡起岸重工机械有限公司 Floating carne balancing device
CN103640990A (en) * 2013-11-25 2014-03-19 无锡起岸重工机械有限公司 Floating crane
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

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103640989A (en) * 2013-11-25 2014-03-19 无锡起岸重工机械有限公司 Floating carne balancing device
CN103640990A (en) * 2013-11-25 2014-03-19 无锡起岸重工机械有限公司 Floating crane
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 A kind of 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

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130102

Termination date: 20170425

CF01 Termination of patent right due to non-payment of annual fee