CN202208604U - Traction mechanism with adjustable tension device for crane trolley - Google Patents

Traction mechanism with adjustable tension device for crane trolley Download PDF

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Publication number
CN202208604U
CN202208604U CN2011203088938U CN201120308893U CN202208604U CN 202208604 U CN202208604 U CN 202208604U CN 2011203088938 U CN2011203088938 U CN 2011203088938U CN 201120308893 U CN201120308893 U CN 201120308893U CN 202208604 U CN202208604 U CN 202208604U
Authority
CN
China
Prior art keywords
support
screw rod
slide block
traction
installing
Prior art date
Application number
CN2011203088938U
Other languages
Chinese (zh)
Inventor
时军奎
吴克利
苏冬
那喜波
Original Assignee
大连华锐股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 大连华锐股份有限公司 filed Critical 大连华锐股份有限公司
Priority to CN2011203088938U priority Critical patent/CN202208604U/en
Application granted granted Critical
Publication of CN202208604U publication Critical patent/CN202208604U/en

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Abstract

The utility model belongs to crane equipment, in particular to a traction mechanism with an adjustable tension device for a crane trolley. The traction mechanism comprises a traction mechanism body used for a trolley and driven by an electric hoisting mechanism, and is characterized in that the wire rope tying end of the bracket of the traction mechanism body is an open end; the other end of the bracket is a closed wall; the bracket of the traction mechanism body adopts an integral framework body; and the adjustable tension device, which comprises a forked frame, a pulley shaft, a pulley, a spring, a nut, a hand wheel, a gear rack, a ratchet pawl, a sliding block and a guide block, is arranged on the sealed wall of the bracket. The traction mechanism provided by the utility model has the advantages that the design is reasonable; the structure is compact; and hopping and slipping of a wire rope can be avoided while the looseness of the long-term used wire rope is adjusted. The traction mechanism further has the advantages of one-way self-locking, convenience in adjusting, safety and reliability in operation, great convenience in use, and the like.

Description

Monkey with adjustable tightening device is used trailer coupling
Technical field
The utility model belongs to crane facility, and 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.Through the electric winch structure drive==trailer wagon 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 utility model content
The utility model 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 purpose of the utility model 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 utility model 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, the purpose of realization the utility model.
Compared with prior art, the utility model 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 utility model is described further.
The utility model has six width of cloth accompanying drawings.Wherein:
Accompanying drawing 1 is the main TV structure scheme drawing of the specific embodiment of the utility model;
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 the specific embodiment of the utility model; 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 the specific embodiment of the utility model 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 utility model; But the protection domain of the utility model is not limited thereto; All are familiar with the technical personnel in present technique field in the disclosed technical scope of the utility model, are equal to replacement or change according to the design of the technical scheme of the utility model and the utility model thereof all should be encompassed within the protection domain of the utility model.

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.
CN2011203088938U 2011-08-23 2011-08-23 Traction mechanism with adjustable tension device for crane trolley CN202208604U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203088938U CN202208604U (en) 2011-08-23 2011-08-23 Traction mechanism with adjustable tension device for crane trolley

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203088938U CN202208604U (en) 2011-08-23 2011-08-23 Traction mechanism with adjustable tension device for crane trolley

Publications (1)

Publication Number Publication Date
CN202208604U true CN202208604U (en) 2012-05-02

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102358569A (en) * 2011-08-23 2012-02-22 大连华锐股份有限公司 Traction mechanism for crane trolley with adjustable tension device
CN102673581A (en) * 2012-05-09 2012-09-19 张晓荣 Rope pulling type rail trolley
CN103231986A (en) * 2013-04-25 2013-08-07 山西东华机械有限公司 Trolley structure for travelling crane
CN106144896A (en) * 2016-09-08 2016-11-23 青岛海西重机有限责任公司 A kind of pull-type carriage walking mechanism
CN109078372A (en) * 2017-12-05 2018-12-25 广州市地龙环保技术有限公司 A method of front and back pulls filter plate cleaning device in water treatment filtering equipment

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102358569A (en) * 2011-08-23 2012-02-22 大连华锐股份有限公司 Traction mechanism for crane trolley with adjustable tension device
CN102358569B (en) * 2011-08-23 2013-09-11 大连华锐重工集团股份有限公司 Traction mechanism for crane trolley with adjustable tension device
CN102673581A (en) * 2012-05-09 2012-09-19 张晓荣 Rope pulling type rail trolley
CN103231986A (en) * 2013-04-25 2013-08-07 山西东华机械有限公司 Trolley structure for travelling crane
CN103231986B (en) * 2013-04-25 2016-03-16 山西东华机械有限公司 A kind of driving vehicle structure
CN106144896A (en) * 2016-09-08 2016-11-23 青岛海西重机有限责任公司 A kind of pull-type carriage walking mechanism
CN109078372A (en) * 2017-12-05 2018-12-25 广州市地龙环保技术有限公司 A method of front and back pulls filter plate cleaning device in water treatment filtering equipment

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
ASS Succession or assignment of patent right

Owner name: DALIAN HUARUI HEAVY INDUSTRY GROUP CO., LTD.

Free format text: FORMER OWNER: HUARUI CO., LTD., DALIAN

Effective date: 20120405

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20120405

Address after: 116013 Bayi Road, Xigang District, Liaoning, China, No. 169, No.

Patentee after: Dalian Huarui Heavy Industry Group Co., Ltd.

Address before: 116013 Bayi Road, Xigang District, Liaoning, China, No. 169, No.

Patentee before: Huarui Co., Ltd., Dalian

AV01 Patent right actively abandoned

Granted publication date: 20120502

Effective date of abandoning: 20130911

RGAV Abandon patent right to avoid regrant