CN202245772U - Gantry crane and cable drum mechanism thereof - Google Patents

Gantry crane and cable drum mechanism thereof Download PDF

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Publication number
CN202245772U
CN202245772U CN2011203609600U CN201120360960U CN202245772U CN 202245772 U CN202245772 U CN 202245772U CN 2011203609600 U CN2011203609600 U CN 2011203609600U CN 201120360960 U CN201120360960 U CN 201120360960U CN 202245772 U CN202245772 U CN 202245772U
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CN
China
Prior art keywords
cable
cable reel
transfer crane
accessory
reel
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
Application number
CN2011203609600U
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Chinese (zh)
Inventor
李映新
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31 ocean heavy industry Co., Ltds
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Sany Group Co Ltd
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Filing date
Publication date
Application filed by Sany Group Co Ltd filed Critical Sany Group Co Ltd
Priority to CN2011203609600U priority Critical patent/CN202245772U/en
Application granted granted Critical
Publication of CN202245772U publication Critical patent/CN202245772U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a cable drum mechanism of a gantry crane, which comprises a cable (3), a cable drum (1) and a steel rope drum (2). The cable (3) is used for providing power for appliances of the gantry crane, and the steel rope drum (2) is used for lifting the appliances and is connected with the cable drum (1) through a transmission mechanism (4); and the upper end of the cable (3) is wound on the cable drum (1) and the lower end of the cable (3) is connected with the appliances. The cable drum mechanism has a simple structure and can be controlled conveniently, the cable can be prevented from being damaged as a result of friction and collision, the working stability and reliability of the cable can be improved, and the production cost of the cable drum mechanism can be reduced. The utility model also discloses the gantry crane, which comprises a door type framework, a trolley frame, an appliance and the cable drum mechanism, the steel rope drum and the cable drum of the cable drum mechanism are arranged on the trolley frame, and the same effect can be achieved.

Description

A kind of transfer crane and cable reel mechanism thereof
Technical field
The utility model relates to technical field of engineering machinery, relates in particular to a kind of cable reel mechanism that is used for transfer crane.The utility model also relates to a kind of transfer crane that comprises above-mentioned cable reel mechanism.
Background technology
Transfer crane is each big harbour a kind of weight-lifting equipment commonly used; Be mainly used in the loading and unloading operation of outdoor goods yard, stock ground goods, bulk goods; Have characteristics such as the utilization of area rate is high, scope of work is big, it is wide to adapt to, highly versatile, be used widely in the goods yard, harbour.Transfer crane mainly comprises supporting construction, dolly, several most of compositions of sling system; Supporting construction is as door-shaped frame, and support main beam is installed two legs down, can directly on ground-surface track, walk, and the girder two ends can have overhanging cantilever beam; Dolly is the function unit of transfer crane, and it can be walked along the girder bearing of trend, and the position of control sling system; Sling system is a major part of being responsible for hanging the deliver goods thing, gets goods or unloading through suspender, and goods is moved to the target location by existing position.
Lift drive mechanism is to be used in the sling system drive the driver train that suspender rises and descends, and it comprises that an end is connected in the steel rope of suspender, through promoting and transfer the up-down that steel rope is realized suspender; Lift drive mechanism also is included as the cable reel mechanism that suspender provides electric energy, and it comprises that mainly the lower end is connected in the cable of suspender, makes itself and steel rope synchronization lifting through control cable, thereby electric energy is provided for suspender.
Please refer to Fig. 1, Fig. 1 is the structural representation of the cable reel mechanism of transfer crane in the prior art.The defective that this cable reel mechanism of following brief description exists in the course of the work.
As shown in Figure 1, cable reel of the prior art mechanism mainly comprise cable 3 ' with cable storage frame 2 ', cable 3 ' the suspender 1 ' be connected of lower end and transfer crane, be connected with the dolly (not shown) of transfer crane on it; The suspender 1 of cable storage frame 2 ' be fixedly connected on transfer crane ' on.In the course of the work, cable 3 ' length longer, when promoting under the drive of suspender 1 ' at driver train, unnecessary cable 3 ' since deadweight fall to being stacked at cable storage frame 2 ' in; When suspender 1 ' when transferring, cable storage frame 2 ' in cable 3 ' be raised; In aforesaid crank motion, cable 3 ' be suspender 1 ' provide electric energy.
Yet there is following defective in the cable reel mechanism of said structure: the first because cable 3 ' in suspender 1 ' lifting process often and cable storage frame 2 ' friction, cause cable storage frame 2 ' frame be easy to cable 3 ' damage; The second because suspender 1 ' be in free vacant state, receive the influence of external factor (like rising or falling speed, wind speed etc.) bigger, usually cause cable 3 ' can not receive cable storage frame 2 ' in, the coiling phenomenon perhaps takes place, thereby is easier to cause the failure; The 3rd because suspender 1 ' being everlasting does not have under the situation of extraneous protection and cable storage frame 2 ' collision, for avoiding cable 3 ' receive bigger damage, need select for use quality preferably special cable as suspender cable 3 ', this causes cost of manufacture higher; The 4th, cable storage frame 2 ' quality own is bigger, and so heavy parts and suspender 1 ' one lifting makes that the energy consumption of transfer crane is bigger.
In view of this; Demand urgently to above-mentioned technical matters a kind of later-model cable reel of design mechanism that looks for another way; Make simple in structure, the driving of this cable reel mechanism make things convenient for, avoid cable in lifting process, to be damaged, and have the advantage safe and reliable, that energy consumption is less.
The utility model content
The technical matters that the utility model will solve is that a kind of cable reel mechanism that is used for transfer crane is provided, and makes that it is simple in structure, it is convenient to drive, and can avoid cable in lifting process, to be damaged.Another technical matters that the utility model will solve is that a kind of transfer crane that comprises above-mentioned cable reel mechanism is provided.
For solving the problems of the technologies described above, the utility model provides a kind of cable reel mechanism that is used for transfer crane, and the accessory that is included as said transfer crane provides the cable of electric energy; Also comprise cable reel and the wire rope drum that is used to go up and down said accessory, said wire rope drum is connected through transmission device with said cable reel; The upper end of said cable is wound in said cable reel, and its lower end connects said accessory.
Preferably, said wire rope drum, said cable reel are respectively equipped with drive sprocket and driven sprocket, and said drive sprocket is connected through chain with said driven sprocket.
Preferably, said wire rope drum diameter is 1/2nd of a said cable reel diameter, and said drive sprocket diameter is two times of said driven sprocket diameter.
Preferably, also comprise the limit spring of being located at said cable lower end; Captiveing joint with said accessory in said limit spring lower end, captives joint with said cable in its upper end.
Preferably, said cable external card is equipped with the card pipe, captives joint with said cable through said card pipe in said limit spring upper end.
Preferably, said card pipe comprises two semicircle pipes, and two said semicircle pipes circumferentially splice, are installed in said cable outside; The said semicircle pipe outside also is provided with through hole, and said limit spring upper end penetrates in the said through hole.
Preferably, the number of said limit spring is two, and two said limit spring are symmetrically set in the both sides of said card pipe.
Preferably, also comprise pullswitch; The backguy upper end of said pullswitch is connected with said card pipe, and its lower end is connected with said accessory.
Preferably, said wire rope drum, said cable reel are respectively equipped with driving gear and driven gear, said driving gear and the engagement of said driven gear.
The cable reel mechanism that the utility model provided comprises cable, cable reel and is used to go up and down the wire rope drum of the accessory of transfer crane that wire rope drum is connected through transmission device with cable reel; The upper end of cable is wound in cable reel, and its lower end connects accessory.
Adopt this structure; In the working process of transfer crane, because cable reel is connected through transmission device with wire rope drum, wire rope drum is going up and down the reciprocating while through its rotating drive accessory; Give cable reel with transmission of power; Rotate thereby drive cable reel, reel along with the rotation of cable reel or discharge, realized that promptly cable is wound in cable reel along with the rising of accessory thereby drive cable; Discharge from cable reel along with the decline of accessory, realized supply the accessory electric energy.
Can be drawn by above-mentioned working process, the cable reel mechanism of this mechanism need not the extra driver train that is provided with the drive element of existing wire rope drum as cable reel, have simple in structure, control advantage easily; In addition; In the process that cable goes up and down, the cable upper end is wound in cable reel all the time, and the lower end connects accessory; Compare the available technology adopting cable storage frame and stack the structure of cable; Phenomenons such as cable can not take place to fold in a jumble, winding also can not be damaged because of rubbing, colliding with, and have improved the working stability and the reliability of cable.Thus, also need not to adopt special cable when selecting cable for use, a need employing common cable for example YCW cable gets final product, and this greatly reduces the productive costs of cable reel mechanism.
The utility model also provides a kind of transfer crane, comprises portal frame, is located on the said portal frame and along its trolley frame that is movably walking be used to hang the accessory of deliver goods thing; Also comprise aforesaid cable reel mechanism, the wire rope drum and the cable reel of said cable reel mechanism are located on the said trolley frame.
Because above-mentioned cable reel mechanism has above-mentioned technique effect, therefore, comprises that the transfer crane of this cable reel mechanism also should have the corresponding techniques effect, repeats no more at this.
Description of drawings
Fig. 1 is the structural representation of the cable reel mechanism of transfer crane in the prior art;
Fig. 2 provides the structural representation of a kind of specific embodiment of cable reel mechanism for the utility model;
Fig. 3 is limit spring and the partial enlarged drawing of accessory junction among Fig. 2;
Fig. 4 is the structural representation of a kind of specific embodiment of transfer crane that the utility model provides.
Wherein, component names among Fig. 1 and the corresponding relation between the Reference numeral are: accessory 1 '; Cable storage frame 2 '; Cable 3 ';
Component names and the corresponding relation between the Reference numeral among Fig. 2 to Fig. 4 are: cable reel 1; Wire rope drum 2; Cable 3; Transmission device 4; Limit spring 5; Card pipe 6; Pullswitch 7; Drive sprocket 41; Driven sprocket 42; Chain 43; Accessory 01; Trolley frame 02; Portal frame 03.
The specific embodiment
The core of the utility model is that a kind of cable reel mechanism that is used for transfer crane is provided, and it is simple in structure, driving is convenient, can avoid cable in lifting process, to be damaged, and has the advantage safe and reliable, that energy consumption is less.Another core of the utility model is that a kind of transfer crane that comprises above-mentioned cable reel mechanism is provided.
In order to make those skilled in the art understand the technical scheme of the utility model better, the utility model is done further to specify below in conjunction with accompanying drawing and specific embodiment.
Please refer to Fig. 2, Fig. 2 provides the structural representation of a kind of specific embodiment of cable reel mechanism for the utility model.
In a kind of specific embodiment, as shown in Figure 2, the cable reel mechanism that is used for transfer crane that the utility model provided mainly comprises several parts such as wire rope drum 2, cable reel 1 and cable 3; Wire rope drum 2 is the up-downs that realize accessory 01 through lifting and below steel rope; Cable reel 1 is the parts that are used for drum cable 3; This cable reel 1 is connected through transmission device 4 with wire rope drum 2; The upper end of cable 3 is wound on the cable reel 1, and the lower end of cable 3 connects the accessory 01 of transfer crane.
Adopt this structure; In the working process of transfer crane, because cable reel 1 is connected through transmission device 4 with wire rope drum 2, wire rope drum 2 is going up and down the reciprocating while through its rotating drive accessory 01; Give cable reel 1 with transmission of power; Rotate thereby drive cable reel 1, reel along with the rotation of cable reel 1 or discharge, realized that promptly cable 3 is wound in cable reel 1 along with the rising of accessory 01 thereby drive cable 3; Discharge from cable reel 1 along with the decline of accessory 01, realized supply accessory 01 electric energy.
Can be drawn by above-mentioned working process, the cable reel mechanism of this mechanism need not the extra driver train that is provided with the drive element of existing wire rope drum 2 as cable reel 1, have simple in structure, control advantage easily; In addition; In the process that cable 3 goes up and down, cable 3 upper ends are wound in cable reel 1 all the time, and the lower end connects accessory 01; Compare the available technology adopting cable storage frame and stack the structure of cable 3; Phenomenons such as cable 3 can not take place to fold in a jumble, winding also can not be damaged because of rubbing, colliding with, and have improved the working stability and the reliability of cable 3.Thus, also need not to adopt special cable when selecting cable for use, a need employing common cable for example YCW cable gets final product, and this greatly reduces the productive costs of cable reel mechanism.
Need to prove; The above-mentioned specific embodiment does not limit wire rope drum 2 and cable reel 1 and is connected through transmission device 4 how, does not limit cable 3 and accessory 01 bonded assembly specific constructive form, in a word yet; Every employing wire rope drum 2 is as the driver train of cable reel 1; Realization is played protection cable 3 to the coiling and the release of cable 3, strengthens the working stability of cable 3 and the cable reel mechanism of reliability and all belongs in the protection domain of the utility model.
Special version be that the noun that occurs among this paper " accessory " is the notion of a general reference, refers to that all can grasp the instrument of object in the hoisting crane, comprises suspender, suspension hook, grab bucket and magnetic chuck or the like.
In addition; Do not limit the specific constructive form of accessory 01 in the above-mentioned specific embodiment; This accessory 01 refers to all types of parts that can realize lifting goods in the transfer crane, and it can be multiple version, for example can be suspender, magnetic chuck, grab bucket, suspension hook or the like.
Further wire rope drum 2 passes through transmission device 4 bonded assembly specific constructive form with cable reel 1.
In further scheme, above-mentioned wire rope drum 2, cable reel 1 are respectively equipped with drive sprocket 41 and driven sprocket 42, and drive sprocket 41 is connected through chain 43 with driven sprocket 42.
Adopt this chain-drive cable reel mechanism; Promptly is connected the Motion Transmission between realization wire rope drum 2 and the cable reel 1 with the gear motion of drive sprocket 41, driven sprocket 42 through chain 43, realization cable 3 is reeled along with the rising of accessory 01 or decline or is discharged.That chain-driving has is simple in structure, reliable operation, characteristics easy to use; And because the length of chain 43 can be regulated; Thereby allow with the distance between wire rope drum 2 and the cable reel 1 be provided with far away slightly, increased the labor aptitude of cable reel 1, in addition; Chain-drive manufacturing and setting accuracy require lower, can further save the productive costs of cable reel mechanism.
Certainly, above-mentioned cable reel mechanism is not limited to chain-drive version, can also adopt other forms.For example, can driving gear and driven gear be set respectively, driving gear and driven gear engagement at wire rope drum 2, cable reel 1.Equally can be through gear transmission with Motion Transmission to the cable reel 1 of wire rope drum 2, and gear transmission can make cable reel mechanism have the advantage of compact conformation.In addition, in theory, above-mentioned cable reel mechanism can also adopt other transmission devices such as belt-driving to realize transmission of motion.
The specific constructive form of above-mentioned wire rope drum 2 and cable reel 1 can also further be set.
In the another kind of specific embodiment, above-mentioned wire rope drum 2 diameters can be 1/2nd of cable reel 1 diameter, and drive sprocket 41 diameters are two times of driven sprocket 42 diameters.
Adopt this mechanism form; Coiling, the release rate that can guarantee the hoisting of accessory 01, descending speed and cable 3 are identical; The crank motion of crank motion and steel rope of promptly having realized cable 3 is synchronous; Make cable 3 be unlikely to too lax or too tight, increased the working stability of cable reel mechanism with respect to steel rope.Certainly, the diameter ratio of above-mentioned wire rope drum 2 and cable reel 1 is not limited in this ratio, can also wire rope drum 2 diameters be made as 1/3rd of cable reel 1 diameter, and drive sprocket 41 diameters are that three times of driven sprocket 42 diameters wait other ratios.
Please refer to Fig. 3, Fig. 3 is limit spring and the partial enlarged drawing of accessory junction among Fig. 2.
Other specific constructive form of above-mentioned cable reel 1 can also further be set.
In the another kind of specific embodiment, above-mentioned cable reel mechanism can also comprise the limit spring 5 of being located at cable 3 lower ends; Captiveing joint with accessory 01 in limit spring 5 lower ends, captives joint with cable 3 in its upper end.
Adopt this mechanism form; The accessory 01 of transfer crane is in lifting process; When the crank motion of the crank motion of cable 3 and steel rope is inconsistent slightly when causing cable 3 tight; Because 5 pairs of cables 3 of limit spring apply downward pulling force, thereby play certain regulating action, avoid cable 3 too fast snapping; Blow or other external force when causing cable 3 to swing trend when running into,, also play certain regulating action, guarantee the working stability of cable 3 because the tension force of above-mentioned limit spring 5 can stop cable 3 to swing.
Certainly; The above-mentioned specific embodiment does not limit the concrete connection mode of limit spring 5 upper ends and cable 3; Do not limit the concrete quantity of limit spring 5 yet; Cable 3 lower ends of every cable reel mechanism are provided with limit spring 5, play the limiting and protecting device of the effect of protection cable 3 and all should work as in the protection domain that belongs to the utility model.
In further scheme, above-mentioned cable 3 outsides can be installed with card pipe 6, and limit spring 5 upper ends are managed 6 through card and captiveed joint with cable 3.More specifically, above-mentioned card pipe 6 can comprise two semicircle pipes, and two semicircle pipes circumferentially splice, are installed in cable 3 outsides; This semicircle pipe outside can also be provided with through hole, and limit spring 5 upper ends penetrate in the said through hole.
Adopt this version, limit spring 5 is captiveed joint with card pipe 6, card pipe 6 is connected with cable 3, thereby has realized captiveing joint of limit spring 5 upper ends and cable 3, and this connection mode also has characteristics simple in structure, convenient processing and manufacture.
Adopt said structure,, when adjusting cable 3 avoids it to swing, have bigger advantage because the semicircle pipe has certain length.Certainly, above-mentioned card pipe 6 is not limited in the version of above-mentioned two semicircle pipes splicing, can also adopt other versions.In addition, above-mentioned limit spring 5 also is not limited in the said structure form with being connected of card pipe 6, can also be at the outer setting hook of card pipe 6, the upper end of above-mentioned limit spring 5 is hung on the hook, and can realize that equally limit spring 5 and card manage 6 be connected.Certainly, above-mentioned limit spring 5 also not only for being connected with cable 3 through card pipe 6, can also laterally be pressed from both sides in cable 3 outer setting, makes limit spring 5 be connected with cable 3 through should laterally pressing from both sides.
In the scheme further, the number of above-mentioned limit spring 5 can be two, and two limit spring 5 are symmetrically set in the both sides of card pipe 6.Adopt this version, make the both sides of cable 3 stressed evenly, running into when external impacts such as blowing, its both sides receive equal-sized spring tension, can keep balance, thereby guarantee the stability of accessory 01 power supply.
In the another kind of specific embodiment, above-mentioned cable reel mechanism can also comprise pullswitch 7, and the backguy upper end and the card of this pullswitch 7 are managed 6 and be connected, and its lower end is connected with accessory 01.
Adopt this version, according to the principle of work of pullswitch 7, when cable 3 and the synchronous crank motion of steel rope, when promptly cable 3 was in normal degree of tightness state, the backguy of pullswitch 7 was in relaxed state; When cable 3 is asynchronous with the steel rope motion when causing cable 3 constantly to be tightened; Cable 3 can constantly upwards spur the backguy of pullswitch 7; When backguy was become tensioned state by relaxed state, pullswitch 7 started the control system of output alarm signal to transfer crane; Control system can be sent control command, and 01 system carries out shutdown operation to accessory.
This shows; Cable 3 lower ends in cable reel mechanism are provided with the effect that pullswitch 7 can play position limitation protection; Avoid accessory 01 system at work because cable 3 snaps suddenly and causes the generation of safety misadventure, guaranteed the functional reliability and the safety of accessory 01 system.
Please refer to Fig. 4, Fig. 4 is the structural representation of a kind of specific embodiment of transfer crane that the utility model provides.
As shown in Figure 4, the utility model also provides a kind of transfer crane, comprises portal frame 03, is located on the portal frame and along its trolley frame that is movably walking 02 be used to hang the accessory 01 of deliver goods thing; Also comprise cable reel mechanism as above, the wire rope drum 2 and the cable reel 1 of cable reel mechanism are located on the trolley frame 02, and its cable 3 lower ends are connected with accessory 01.
Because above-mentioned cable reel mechanism has above-mentioned technique effect, therefore, comprises that the transfer crane of this cable reel mechanism also should have the corresponding techniques effect, repeats no more at this.
More than a kind of transfer crane and cable reel mechanism thereof that the utility model provided have been carried out detailed introduction.Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.

Claims (10)

1. cable reel mechanism that is used for transfer crane, the accessory (01) that is included as said transfer crane provides the cable (3) of electric energy; It is characterized in that also comprise cable reel (1) and be used to go up and down the wire rope drum (2) of said accessory (01), said wire rope drum (2) is connected through transmission device (4) with said cable reel (1); The upper end of said cable (3) is wound in said cable reel (1), and its lower end connects said accessory (01).
2. the cable reel mechanism that is used for transfer crane according to claim 1; It is characterized in that; Said wire rope drum (2), said cable reel (1) are respectively equipped with drive sprocket (41) and driven sprocket (42), and said drive sprocket (41) is connected through chain (43) with said driven sprocket (42).
3. the cable reel mechanism that is used for transfer crane according to claim 2; It is characterized in that; Said wire rope drum (2) diameter is 1/2nd of said cable reel (a 1) diameter, and said drive sprocket (41) diameter is two times of said driven sprocket (42) diameter.
4. according to each described cable reel mechanism that is used for transfer crane of claim 1-3, it is characterized in that, also comprise the limit spring (5) of being located at said cable (3) lower end; Captiveing joint with said accessory (01) in said limit spring (5) lower end, captives joint with said cable (3) in its upper end.
5. the cable reel mechanism that is used for transfer crane according to claim 4 is characterized in that, said cable (3) external card is equipped with card pipe (6), captives joint with said cable (3) through said card pipe (6) in said limit spring (5) upper end.
6. the cable reel mechanism that is used for transfer crane according to claim 5 is characterized in that said card pipe (6) comprises two semicircle pipes, and two said semicircle pipes circumferentially splice, are installed in said cable (3) outside; The said semicircle pipe outside also is provided with through hole, and said limit spring (5) upper end penetrates in the said through hole.
7. the cable reel mechanism that is used for transfer crane according to claim 5 is characterized in that the number of said limit spring (5) is two, and two said limit spring (5) are symmetrically set in the both sides of said card pipe (6).
8. the cable reel mechanism that is used for transfer crane according to claim 5 is characterized in that, also comprises pullswitch (7); The backguy upper end of said pullswitch (7) is connected with said card pipe (6), and its lower end is connected with said accessory (01).
9. the cable reel mechanism that is used for transfer crane according to claim 1 is characterized in that, said wire rope drum (2), said cable reel (1) are respectively equipped with driving gear and driven gear, said driving gear and the engagement of said driven gear.
10. transfer crane comprises portal frame (03), is located at that said portal frame (03) is gone up and along its trolley frame that is movably walking (02) be used to hang the accessory (01) of deliver goods thing; It is characterized in that, also comprise each described cable reel mechanism like claim 1-9, the wire rope drum (2) and the cable reel (1) of said cable reel mechanism are located on the said trolley frame (02).
CN2011203609600U 2011-09-23 2011-09-23 Gantry crane and cable drum mechanism thereof Expired - Fee Related CN202245772U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203609600U CN202245772U (en) 2011-09-23 2011-09-23 Gantry crane and cable drum mechanism thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203609600U CN202245772U (en) 2011-09-23 2011-09-23 Gantry crane and cable drum mechanism thereof

Publications (1)

Publication Number Publication Date
CN202245772U true CN202245772U (en) 2012-05-30

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Application Number Title Priority Date Filing Date
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102745557A (en) * 2012-07-04 2012-10-24 江苏永钢集团有限公司 Cable bucket of electromagnetic suction disc travelling crane
CN104003321A (en) * 2014-05-28 2014-08-27 佑图物理应用科技发展(武汉)有限公司 Crane with cable collecting device for studio and stage
CN105914669A (en) * 2016-06-28 2016-08-31 成都西南交大驱动技术有限责任公司 Cable pulling force buffering apparatus for engineering machinery
CN106553964A (en) * 2017-01-06 2017-04-05 淮南矿业(集团)有限责任公司 A kind of pneumatic single-rail crane airduct automatic coiling device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102745557A (en) * 2012-07-04 2012-10-24 江苏永钢集团有限公司 Cable bucket of electromagnetic suction disc travelling crane
CN104003321A (en) * 2014-05-28 2014-08-27 佑图物理应用科技发展(武汉)有限公司 Crane with cable collecting device for studio and stage
CN105914669A (en) * 2016-06-28 2016-08-31 成都西南交大驱动技术有限责任公司 Cable pulling force buffering apparatus for engineering machinery
CN105914669B (en) * 2016-06-28 2018-06-08 成都西南交大驱动技术有限责任公司 A kind of cable tension buffer unit of engineering machinery
CN106553964A (en) * 2017-01-06 2017-04-05 淮南矿业(集团)有限责任公司 A kind of pneumatic single-rail crane airduct automatic coiling device

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GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20150610

Address after: 519050 Guangdong city of Zhuhai province Pingsha town Ping Road No. 336 East Building Room 310

Patentee after: 31 ocean heavy industry Co., Ltds

Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city

Patentee before: KM Group Co., Ltd.

ASS Succession or assignment of patent right

Owner name: SANY MARINE HEAVY INDUSTRIES CO., LTD.

Free format text: FORMER OWNER: KM GROUP CO., LTD.

Effective date: 20150610

C41 Transfer of patent application or patent right or utility model
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120530

Termination date: 20150923