CN102358569A - Traction mechanism for crane trolley with adjustable tension device - Google Patents
Traction mechanism for crane trolley with adjustable tension device Download PDFInfo
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- CN102358569A CN102358569A CN2011102432862A CN201110243286A CN102358569A CN 102358569 A CN102358569 A CN 102358569A CN 2011102432862 A CN2011102432862 A CN 2011102432862A CN 201110243286 A CN201110243286 A CN 201110243286A CN 102358569 A CN102358569 A CN 102358569A
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Abstract
The invention belongs to crane devices, particularly relates to a traction mechanism for a crane trolley with an adjustable tension device, which comprises, which comprises a traction mechanism for the trolley driven by an electric hoisting mechanism and is characterized in that a support of the traction mechanism for the trolley is an integrated frame body formed by an open steel wire rope end and the other end in a shape of a closed wall. The adjustable tension device formed by a Y-shaped frame, a sliding wheel shaft, a sliding wheel, a spring, a nut, a hand wheel, a rack, a pawl, a slide block and a guide block is arranged on the closed wall of the support. The traction mechanism for the crane trolley with the adjustable tension device is reasonable in design and compact in structure, adjusts loosening of a steel wire rope caused by long-time use, avoids groove jumping or slipping of the steel wire rope, and has the advantages of being capable of self-locking unidirectionally, convenient to adjust and use, safe, reliable in running and the like.
Description
Technical field
The invention belongs to crane facility, particularly a kind of monkey with adjustable tightening device is used trailer coupling.
Background technology
As everyone knows, at present, traditional monkey is used trailer coupling, is to use trailer coupling through the dolly that the electric winch structure on steel frame drives; Its electric winch structure comprises electrical motor, coupler, floating axle, retarder, drg, reel, and its electrical motor connects with retarder through two coupler on the floating axle, on the high speed shaft of retarder drg is installed, and slow-speed shaft connects with reel; Wherein electrical motor, retarder, drg and reel are installed on the steel frame; Its dolly comprises steel rope, track, trailer wagon, support, pulley and sheave shaft with trailer coupling; Its trailer wagon is placed on the track that is fixed in steel frame; One end of its steel rope is fixed on trailer wagon one side; The other end of steel rope is walked around the opposite side that reel and pulley are fixed on trailer wagon, is installed in the sheave shaft of dress band pulley on the support on the steel frame.Driving trailer wagon through the electric winch structure moves reciprocatingly along track; Owing to use for a long time; Its steel rope will relax; Can cause because of friction force deficiency between steel rope and reel or the pulley causes the steel rope job-hopping, cause trailer wagon operating troubles can take place, have serious security risk.
The present invention is intended to the shortcoming and defect part that in above-mentioned technology, exists, and provides a kind of monkey with adjustable tightening device to use trailer coupling; This mechanism is not only reasonable in design, and compact conformation can be adjusted the lax of steel rope long-term use, has avoided the job-hopping of steel rope again or skids, and had unidirectional self-lock, is convenient to adjustment, the trailer coupling safe operation reliable with use advantages such as very convenient.
The objective of the invention is to adopt following technical scheme to realize: described monkey with adjustable tightening device is used trailer coupling; The dolly that comprises the driving of electric winch structure is used trailer coupling, it is characterized in that: it is that the uncovered other end is the frame body that closure wall consists of one that its dolly uses its steel wire end of carriage support of trailer coupling; The adjustable tightening device of installing on the closure wall of support; Described adjustable tightening device is made up of forked frame, sheave shaft, screw rod, pulley, spring, nut, handwheel, tooth bar, ratchet, slide block and orienting lug; In the middle part installing screw rod of its support closure wall, an end of described screw rod stretches outside support, and the other end of its screw rod is stretched in the support; The outer screw rod of its support is meshed with nut on the handwheel and is connected, and on the spiro rod section between nut and the support pocketed springs; The terminal forked frame that connects of screw rod in support; The middle part installing sheave shaft of described forked frame; And connect pulley on the sheave shaft in this forked frame, and hinged two slide blocks of two ends symmetry of described sheave shaft, this two slide block can be along sliding in two wall chutes of support; The cross-sectional plane of described each slide block is " H " shape; Installing orienting lug in the groove in the last groove of its slide block and the support between the top; Installing tooth bar in the groove in the following groove of its slide block and the support at the end; With the ratchet that installing on the corresponding slide block side, this tooth bar position is meshed with tooth bar, realize the unidirectional self-lock of ratchet on tooth bar.
Because the present invention adopts tooth bar and ratchet, nut and screw rod and spring, guarantee the trailer coupling adjustable, and further improve the safe reliability of trailer coupling through unidirectional self-lock.
The comprehensive above technical scheme of being taked realizes the object of the invention.
Compared with prior art, the present invention is not only reasonable in design, compact conformation; Both the lax of steel rope long-term use adjusted, and avoided the job-hopping of steel rope again or skid, and had unidirectional self-lock; Be convenient to adjustment, the trailer coupling safe operation reliable with use advantages such as very convenient.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
The present invention has six width of cloth accompanying drawings.Wherein:
Accompanying drawing 1 is the main TV structure scheme drawing of specific embodiment of the present invention;
Accompanying drawing 2 is birds-eye vieies of Fig. 1;
Accompanying drawing 3 is E place enlarged diagrams of Fig. 2;
Accompanying drawing 4 is along the enlarged diagram of A-A line among Fig. 3;
Accompanying drawing 5 is along the enlarged diagram of B-B line among Fig. 3;
Accompanying drawing 6 is that C among Fig. 4 is to enlarged diagram.
Among the figure: 1, steel frame, 2, electrical motor, 3, coupler, 4, floating axle, 5, retarder, 6, drg; 7, reel, 8, track, 9, trailer wagon, 10, steel rope, 11, pulley, 12, support; 13, sheave shaft, 14, forked frame, 15, screw rod, 16, spring, 17, nut; 18, handwheel, 19, tooth bar, 20, ratchet, 21, slide block, 22, orienting lug.
The specific embodiment
Fig. 1,2,3,4,5, shown in 6 specific embodiment of the present invention; It is that the monkey of installing on certain city nuclear power 1#2# unit 320+35/5t hoisting crane with adjustable tightening device is used trailer coupling; Its structure comprises by electric winch structure driving trolley uses trailer coupling; Its electric winch structure comprises steel frame 1, electrical motor 2, coupler 3, floating axle 4, retarder 5, drg 6 and reel 7; Its electrical motor 2 connects with retarder 5 through two coupler 3 on the floating axle 4; Drg 6 is installed on the high speed shaft of its retarder 5, and its slow-speed shaft connects with reel 7; Wherein electrical motor 2, retarder 5, drg 6 and reel 7 are installed on the steel frame 1; Its dolly comprises steel rope 10, track 8, trailer wagon 9, support 12, pulley and sheave shaft with trailer coupling; It is characterized in that: it is that its steel wire end is that the uncovered other end is the frame body that closure wall consists of one that its dolly uses the support 12 of trailer coupling; The adjustable tightening device of installing on the closure wall of support 12; Described adjustable tightening device is made up of forked frame 14, screw rod 15, sheave shaft 13, pulley 11, spring 16, nut 17, handwheel 18, tooth bar 19, ratchet 20, slide block 21 and orienting lug 22; Middle part installing screw rod 15 in its support 12 closure wall; The right-hand member of described screw rod 15 stretches outside support 12; The left end of its screw rod 15 is stretched in the support 12, and the screw rod 15 outside support 12 is meshed with nut 17 on the handwheel 18 and is connected, and on the spiro rod section between nut 17 and the support 12 pocketed springs 16; The screw rod 15 terminal forked frames 14 that connect in support 12; The middle part installing sheave shaft 13 of described forked frame 14; And connection pulley 11 on the sheave shaft 13 in this forked frame 14; Hinged two slide blocks 21 of two ends symmetry of described sheave shaft 13, this two slide block 21 can be along sliding in 12 two wall chutes of support; The cross-sectional plane of described each slide block 21 is " H " shape; Installing orienting lug 22 in the groove in the last groove of its slide block 21 and the support 12 between the top; Installing tooth bar 19 in the groove in the following groove of its slide block 21 and the support 12 at the end; With the ratchet 20 that installing on corresponding slide block 21 sides, these tooth bar 19 positions is meshed with tooth bar 19, realize the unidirectional self-lock of ratchet 20 on tooth bar 19.The principle of specific embodiment of the present invention is set forth in down with the operation branch: installing electric winch structure driving trolley is used trailer coupling on steel frame 1; Its electric winch structure is made up of electrical motor 2, coupler 3, floating axle 4, retarder 5, drg 6, reel 7, and dolly is made up of track 8, trailer wagon 9, steel rope 10, pulley 11, support 12, sheave shaft 13 with trailer coupling; The adjustable tightening device that installing is made up of forked frame 14, screw rod 15, spring 16, nut 17, handwheel 18, tooth bar 19, ratchet 20, slide block 21 and orienting lug 22 on support 12; Its electrical motor 2 connects with retarder 5 through two coupler 3 on the floating axle 4, and drg 6 is installed on the high speed shaft of retarder 5, and slow-speed shaft connects with reel 7; Wherein electrical motor 2, retarder 5, drg 6 and reel 7 are installed on the steel frame 1; Its dolly comprises steel rope, track, trailer wagon, support, pulley and sheave shaft with trailer coupling; Its trailer wagon 9 is placed on the track 8 that is fixed in steel frame 1, and an end of its steel rope 10 is fixed on trailer wagon 9 left sides, (as shown in Figure 1); The other end is walked around reel 7 and pulley 11; Finally be fixed on the right side of trailer wagon 9, support 12 is fixed on the steel frame 1, sheave shaft 13, two ends symmetries pivotally attached two slide blocks 21; On the support 12 that tooth bar 19 and orienting lug 22 are all fixed, slide block 21 is installed in (shown in Fig. 4 and 6) between tooth bar 19 and the orienting lug 22; Sheave shaft 13 passes forked frame 14, is revolute pair between the two; Ratchet 20 is installed on the slide block 21, is revolute pair (as shown in Figure 4) between the two; One end of screw rod 15 is welded on the forked frame 14, and the other end passes the hole D (as shown in Figure 5) on the support 12; Nut 17 is installed on the screw rod 15, between nut 17 and the handwheel 18 for being rigidly connected; Spring 16 is installed between support 12 and the nut 17; Driving trailer wagon through the electric winch structure moves reciprocatingly along track 8; Dolly is during with the trailer coupling normal operation, and electrical motor 2 drives retarders 5 through floating axle 4, drives reel 7 again; Drive steel rope 10 through reel 7; Move on track 8 by steel rope 10 pulling trailer wagons 9,, change the service direction of trailer wagon 9 through changing the rotation direction of motor machine 2; Spring 16 is installed between support 12 and the nut 17; Steel rope 10 auto-tensionings both among a small circle, had been guaranteed; Guaranteeing again has friction force between nut 17 and the screw rod 15; Simultaneously, the lead angle of screw rod 15 and nut 17 should prevent owing to vibration causes between nut 17 and the screw rod 15 loosening less than friction angle.After dolly was with trailer coupling work a period of time, steel rope 10 was when circulating stressed being elongated, and when being installed in spring 16 between support 12 and the nut 17 and being not enough to steel rope 10 tensionings; Through rotation hand wheel 18; Rotate thereby drive nut 17,, spur screw rod 15 to the right through the screw pair transmission of nut 17 with screw rod 15; Thereby spur pulley 11, sheave shaft 13, forked frame 14, ratchet 20 and slide block 21 to the right, steel rope 10 is tensioned again; When slide block 21 slided to the right, through tooth bar 19 and orienting lug 22 guiding, the cross-sectional plane of slide block 21 was " H " shape (see figure 6), to guarantee to slide steadily; When slide block 21 slided to the right, ratchet 20 formed unidirectional self-lock mechanism with tooth bar 19.
The above; Be merely the preferable specific embodiment of the present invention; But protection scope of the present invention is not limited thereto; All are familiar with the technical personnel in present technique field in technical scope disclosed by the invention, are equal to replacement or change and all should be encompassed within protection scope of the present invention according to technical scheme of the present invention and design of the present invention thereof.
Claims (2)
1. the monkey with adjustable tightening device is used trailer coupling; The dolly that comprises the driving of electric winch structure is used trailer coupling, and it is characterized in that: its dolly is that its steel wire end is that the uncovered other end is the frame body that closure wall consists of one with the support (12) of trailer coupling; The adjustable tightening device of installing on the closure wall of support (12); Described adjustable tightening device is made up of forked frame (14), screw rod (15), sheave shaft (13), pulley (11), spring (16), nut (17), handwheel (18), tooth bar (19), ratchet (20), slide block (21) and orienting lug (22); Middle part installing screw rod (15) in its support (12) closure wall; One end of described screw rod (15) stretches outside support (12); The other end of its screw rod (15) is stretched in the support (12), and the screw rod (15) outside support (12) is meshed with nut (17) on the handwheel (18) and is connected, and on screw rod (15) section between nut (17) and the support (12) pocketed springs (16); The terminal forked frame (14) that connects of screw rod (15) in support (12); The middle part installing sheave shaft (13) of described forked frame (14); And the sheave shaft (13) in this forked frame (14) is gone up connection pulley (11); Two ends symmetry hinged two slide blocks (21) of described sheave shaft (13), this two slide block (21) can be along sliding in (12) two wall chutes of support; The cross-sectional plane of described each slide block (21) is " H " shape; Installing orienting lug (22) in the groove in last groove of its slide block (21) and the support (12) between the top; Installing tooth bar (19) in following groove of its slide block (21) and the groove of support (12) at the interior end; With the ratchet (20) that installing on the corresponding slide block in this tooth bar (19) position (21) side is meshed with tooth bar (19), realize the unidirectional self-lock of ratchet (20) on tooth bar (19).
2. use trailer coupling by the described monkey with adjustable tightening device of claim 1, it is characterized in that: the lead angle of described screw rod (15) and nut (17) should be less than friction angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110243286 CN102358569B (en) | 2011-08-23 | 2011-08-23 | Traction mechanism for crane trolley with adjustable tension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110243286 CN102358569B (en) | 2011-08-23 | 2011-08-23 | Traction mechanism for crane trolley with adjustable tension device |
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| CN102358569A true CN102358569A (en) | 2012-02-22 |
| CN102358569B CN102358569B (en) | 2013-09-11 |
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| CN 201110243286 Active CN102358569B (en) | 2011-08-23 | 2011-08-23 | Traction mechanism for crane trolley with adjustable tension device |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332615A (en) * | 2013-07-22 | 2013-10-02 | 中联重科股份有限公司 | Tensioning device and crane with same |
| CN105905549A (en) * | 2016-06-08 | 2016-08-31 | 中国核动力研究设计院 | Remote continuous process transporting channel used for hot chamber group |
| CN106854933A (en) * | 2015-12-08 | 2017-06-16 | 中交第公路工程局有限公司 | A kind of novel high-altitude large cantilever steel structure decoration is installed with mobile trolley used |
| CN107500215A (en) * | 2017-09-18 | 2017-12-22 | 江苏科技大学 | A kind of vehicle impact testing pull rope mechanical tensioner |
| CN107792796A (en) * | 2016-08-31 | 2018-03-13 | 捷胜海洋装备股份有限公司 | A kind of optical cable winch |
| CN107792300A (en) * | 2017-11-29 | 2018-03-13 | 中交上海航道局有限公司 | A kind of dynamic traction device suitable for soft raft mattress sinking construction |
| CN107827012A (en) * | 2017-10-30 | 2018-03-23 | 江苏鑫领域智能科技有限公司 | A kind of draw-gear for drawing ground flatcar and its non-slip rope-winding method |
| CN108033370A (en) * | 2017-11-20 | 2018-05-15 | 无锡耐博机器人科技有限公司 | A kind of ferry bus transportation system using steel-wire rope traction mechanism |
| CN110550409A (en) * | 2018-05-30 | 2019-12-10 | 丰田自动车株式会社 | steel wire rope driving and conveying device |
| CN111717794A (en) * | 2020-07-07 | 2020-09-29 | 三一海洋重工有限公司 | Self-propelled trolley and crane |
| CN112121930A (en) * | 2020-10-10 | 2020-12-25 | 湖南创未来机电设备制造有限公司 | Drum-type ball mill capable of quickly adjusting wheel base |
| CN112794205A (en) * | 2021-02-07 | 2021-05-14 | 河北兴隆起重设备有限公司 | Traction driving structure of crane trolley |
| CN113501271A (en) * | 2021-06-16 | 2021-10-15 | 大连益利亚科技发展有限公司 | Material transferring machine taking transferring material as main body in transportation |
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| CN202208604U (en) * | 2011-08-23 | 2012-05-02 | 大连华锐股份有限公司 | Traction mechanism with adjustable tension device for crane trolley |
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| SU1558850A2 (en) * | 1988-02-15 | 1990-04-23 | Предприятие П/Я А-3907 | Bogie rope drive |
| CN2577047Y (en) * | 2002-10-08 | 2003-10-01 | 中国嘉陵工业股份有限公司（集团） | Engine chain tensioner |
| CN1704627A (en) * | 2004-05-31 | 2005-12-07 | 株式会社椿本链索 | Pawl type tensioner with gear backlash |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332615B (en) * | 2013-07-22 | 2015-06-03 | 中联重科股份有限公司 | Tensioning device and crane with same |
| CN103332615A (en) * | 2013-07-22 | 2013-10-02 | 中联重科股份有限公司 | Tensioning device and crane with same |
| CN106854933A (en) * | 2015-12-08 | 2017-06-16 | 中交第公路工程局有限公司 | A kind of novel high-altitude large cantilever steel structure decoration is installed with mobile trolley used |
| CN105905549A (en) * | 2016-06-08 | 2016-08-31 | 中国核动力研究设计院 | Remote continuous process transporting channel used for hot chamber group |
| CN107792796A (en) * | 2016-08-31 | 2018-03-13 | 捷胜海洋装备股份有限公司 | A kind of optical cable winch |
| CN107500215A (en) * | 2017-09-18 | 2017-12-22 | 江苏科技大学 | A kind of vehicle impact testing pull rope mechanical tensioner |
| CN107827012A (en) * | 2017-10-30 | 2018-03-23 | 江苏鑫领域智能科技有限公司 | A kind of draw-gear for drawing ground flatcar and its non-slip rope-winding method |
| CN108033370A (en) * | 2017-11-20 | 2018-05-15 | 无锡耐博机器人科技有限公司 | A kind of ferry bus transportation system using steel-wire rope traction mechanism |
| CN107792300A (en) * | 2017-11-29 | 2018-03-13 | 中交上海航道局有限公司 | A kind of dynamic traction device suitable for soft raft mattress sinking construction |
| CN110550409A (en) * | 2018-05-30 | 2019-12-10 | 丰田自动车株式会社 | steel wire rope driving and conveying device |
| CN110550409B (en) * | 2018-05-30 | 2022-05-03 | 丰田自动车株式会社 | Steel wire rope driving and conveying device |
| CN111717794A (en) * | 2020-07-07 | 2020-09-29 | 三一海洋重工有限公司 | Self-propelled trolley and crane |
| CN112121930A (en) * | 2020-10-10 | 2020-12-25 | 湖南创未来机电设备制造有限公司 | Drum-type ball mill capable of quickly adjusting wheel base |
| CN112794205A (en) * | 2021-02-07 | 2021-05-14 | 河北兴隆起重设备有限公司 | Traction driving structure of crane trolley |
| CN113501271A (en) * | 2021-06-16 | 2021-10-15 | 大连益利亚科技发展有限公司 | Material transferring machine taking transferring material as main body in transportation |
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| CN102358569B (en) | 2013-09-11 |
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Owner name: DALIAN HUARUI HEAVY INDUSTRY GROUP CO., LTD. Free format text: FORMER OWNER: HUARUI CO., LTD., DALIAN Effective date: 20120406 |
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Effective date of registration: 20120406 Address after: 116013 Bayi Road, Xigang District, Liaoning, China, No. 169, No. Applicant after: Dalian Huarui Heavy Industry Group Co., Ltd. Address before: 116013 Bayi Road, Xigang District, Liaoning, China, No. 169, No. Applicant before: Huarui Co., Ltd., Dalian |
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