CN204297948U - A kind of device for changing crane steel cable - Google Patents
A kind of device for changing crane steel cable Download PDFInfo
- Publication number
- CN204297948U CN204297948U CN201420718758.4U CN201420718758U CN204297948U CN 204297948 U CN204297948 U CN 204297948U CN 201420718758 U CN201420718758 U CN 201420718758U CN 204297948 U CN204297948 U CN 204297948U
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- Prior art keywords
- pulley
- steel cable
- suspension
- crane
- changing
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Abstract
The utility model provides a kind of device for changing crane steel cable, comprises assembly pulley and two suspension holdfasts; Described two suspension holdfasts are symmetricly set in the both sides of the elevator counter-jib of described crane; Described assembly pulley is arranged between described two suspension holdfasts; Described suspension holdfast comprises orthogonal suspension arm and linking arm, wherein, described suspension arm is provided with pore structure, and described suspension holdfast is fixed on the counter-jib base of described crane by described linking arm; Described assembly pulley comprises pulley spindle and pulley, and wherein, described pulley sleeve is on described pulley spindle, and described pulley spindle is each passed through the described pore structure on the described suspension holdfast at two ends.
Description
Technical field
The utility model relates to large tonnage crane technical field, particularly relates to a kind of device for changing crane steel cable.
Background technology
Usually, when replacing 180 tons, the large tonnage crane steel cables such as 200 tons, strict requirement is had to parking site, such as, plate hook will have sufficient space to place, and, monorail crane inspection platform to be had to hang coaster directly over crane, 4 steel cable heads are pulled, equally also will by operation crane to the position of coaster.The method being changed steel cable by coaster hanging point that prior art adopts, not only by the restriction of field condition, the steel cable on ground is also easily confused in motor-car process, be unfavorable for site examining and repairing, add maintenance difficulty and time, often motor-car also brings great unsafe factor to site examining and repairing simultaneously.
Utility model content
The utility model embodiment, by providing a kind of device for changing crane steel cable, solving prior art and changing the on-the-spot limited technical problem of replacing existing for steel cable by coaster hanging point.
The utility model embodiment provides a kind of device for changing crane steel cable, comprises assembly pulley and two suspension holdfasts;
Described two suspension holdfasts are symmetricly set in the both sides of the elevator counter-jib of described crane;
Described assembly pulley is arranged between described two suspension holdfasts;
Described suspension holdfast comprises orthogonal suspension arm and linking arm, wherein, described suspension arm is provided with pore structure, and described suspension holdfast is fixed on the counter-jib base of described crane by described linking arm;
Described assembly pulley comprises pulley spindle and pulley, and wherein, described pulley sleeve is on described pulley spindle, and described pulley spindle is each passed through the described pore structure on the described suspension holdfast at two ends.
Preferably, described assembly pulley also comprises bearing, and described bearing is arranged at the centre position on described pulley spindle, and described pulley is installed on described bearing.
Preferably, described assembly pulley also comprises two axle sleeves;
Described two axle sleeves are enclosed within described pulley spindle, and described two axle sleeves are positioned at the both sides of described pulley.
Preferably, described assembly pulley also comprises two logical lids;
Described two logical lids are installed on described pulley spindle, and described two logical lids lay respectively at the outside of described two axle sleeves.
Preferably, described pore structure is rectangle.
Preferably, the two ends of described pulley spindle are fixed by nut in described pore structure.
One or more technical schemes in the utility model embodiment, at least have following technique effect or advantage:
By installing suspension holdfast in the both sides of crane hoisting counter-jib, wherein, this suspension holdfast comprises orthogonal suspension arm and linking arm, and assembly pulley is installed additional between the suspension arm of two suspension holdfasts, thus easy fixed block is defined on crane body, when changing steel cable, ground elevator steel cable is moved on crane dolly, directly through assembly pulley, steel cable head is bound, aforesaid way is utilized to substitute the hang of coaster hanging point in prior art, the process changing steel cable is made no longer to be subject to the restriction of site environment, reduce difficulty and the unsafe factor of maintenance, simultaneously, also the time changing steel cable is shortened.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is for changing the half section schematic diagram of the device of crane steel cable in the utility model embodiment;
Fig. 2 is for changing the scheme of installation of the device of crane steel cable in the utility model embodiment;
Fig. 3 is the structural representation of suspension holdfast 1 in the utility model embodiment;
Wherein, 1 is suspension holdfast, and 1a is suspension arm, 1b is linking arm, and 2 is pulley spindle, and 3 is pulley, 4 is bearing, and 5 is axle sleeve, and 6 is logical lid, 7 is nut, and 8 is pore structure, and 9 is elevator counter-jib, 10 is counter-jib base, 11 is elevator counter-jib fixed pin shaft, and 12 fix the peach heart for steel cable head takes turns, and 13 is steel cable head.
Detailed description of the invention
In order to solve the on-the-spot limited technical problem of replacing existing for prior art replacing steel cable, the utility model embodiment provides a kind of device for changing crane steel cable, by installing suspension holdfast in the both sides of crane hoisting counter-jib, wherein, this suspension holdfast comprises orthogonal suspension arm and linking arm, and assembly pulley is installed additional between the suspension arm of two suspension holdfasts, thus easy fixed block is defined on crane body, the process changing steel cable is made no longer to be subject to the restriction of site environment, reduce difficulty and the unsafe factor of maintenance, simultaneously, also the time changing steel cable is shortened.
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The application provides a kind of device for changing crane steel cable, and as shown in Figure 1, described device comprises assembly pulley and two suspension holdfasts 1.Wherein, suspension holdfast 1 comprises suspension arm 1a and linking arm 1b, and suspension arm 1a is mutually vertical with linking arm 1b, concrete, and suspension holdfast 1, in " 7 " font, the suspension arm 1a of suspension holdfast 1 is provided with pore structure 8.Assembly pulley comprises pulley spindle 2 and pulley 3, and pulley 3 is enclosed within pulley spindle 2.
Concrete, as shown in Figure 2, the elevator counter-jib 9 being installed on large tonnage crane body for the device changing crane steel cable of the application.Preferably, two described devices installed by an elevator counter-jib 9.Usually, a crane body there are two elevator counter-jibs 9, therefore, a crane body need installation 4 described devices.
Further, two suspension holdfasts 1 are symmetricly set in the both sides of elevator counter-jib 9, and are fixed by welding on counter-jib base 10.Wherein, suspension holdfast 1 is fixed on counter-jib base 10 by linking arm 1b.
Further, assembly pulley is arranged between two suspension holdfasts 1, and pulley spindle 2 is each passed through the pore structure 8 on the suspension holdfast 1 at two ends.
In addition, in this application, elevator counter-jib 9 is fixed on counter-jib base 10 by elevator counter-jib fixed pin shaft 11, and one end of elevator counter-jib 9 is provided with steel cable head and fixes peach heart wheel 12, and described device is positioned at the top of steel cable head 13.
When changing steel cable, ground elevator steel cable being moved on crane dolly, directly through the assembly pulley in described device, steel cable head being bound.Above-mentioned mode of installing simple and easy fixed block on crane body is utilized to carry out the hang of coaster hanging point in alternative prior art, the process changing steel cable is made no longer to be subject to the restriction of site environment, reduce difficulty and the unsafe factor of maintenance, simultaneously, also the time changing steel cable is shortened, adopt the coaster hanging point mode of prior art to change steel cable and need 8-9 hour, and adopt the device of the application replacing steel cable only to need 6-7 hour.
Preferably, in this application, as shown in Figure 3, pore structure 8 is rectangle, and pulley spindle 2 can move forward and backward in slot structure, by regulating the position of pulley spindle 2, realizes and steel cable head 13 contraposition in vertical direction.After being adjusted to correct position, the two ends of pulley spindle 2 are fixed by nut 7 in pore structure 8.
Preferably, assembly pulley also comprises bearing 4, and bearing 4 is arranged at the centre position on pulley spindle 2, and pulley 3 is installed on bearing 4, can reduce coefficient of friction and retainer shaft center is fixed by bearing 4.
Preferably, assembly pulley also comprises two axle sleeves 5 and two logical lids 6.Two axle sleeves 5 are enclosed within pulley spindle 2, and two axle sleeves 5 are positioned at the both sides of pulley 3.Two logical lids 6 are installed on pulley spindle 2, and two logical lids 6 lay respectively at the outside of two axle sleeves 5.
Concrete, the assembling process of assembly pulley is as follows: first bearing 4 is installed to pulley spindle 2 centre position, is then installed on bearing 4 by pulley 3, and overlap Upper shaft sleeve 4 respectively in the both sides of pulley 3, then loads onto logical lid 5 respectively in the outside of two axle sleeves 4.After assembling assembly pulley, assembly pulley passing hole structure 8 is attached between two suspension holdfasts 1, and is tightened with nut 7.
Technical scheme in above-mentioned the embodiment of the present application, at least has following technique effect or advantage:
By installing suspension holdfast 1 in the both sides of crane hoisting counter-jib 9, wherein, this suspension holdfast 1 comprises orthogonal suspension arm 1a and linking arm 1b, and assembly pulley is installed additional between the suspension arm 1a of two suspension holdfasts 1, thus easy fixed block is defined on crane body, when changing steel cable, ground elevator steel cable is moved on crane dolly, directly through assembly pulley, steel cable head 13 is bound, aforesaid way is utilized to substitute the hang of coaster hanging point in prior art, the process changing steel cable is made no longer to be subject to the restriction of site environment, reduce difficulty and the unsafe factor of maintenance, simultaneously, also the time changing steel cable is shortened,
By the pore structure 8 be rectangle, pulley spindle 2 can move forward and backward in slot structure 8, carries out regulating realizing steel cable head 13 contraposition in vertical direction to the position of pulley spindle 2;
By arranging bearing on pulley spindle 2, and pulley 3 being installed on bearing, coefficient of friction can being reduced and retainer shaft center is fixed.
Although described preferred embodiment of the present utility model, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (6)
1. for changing a device for crane steel cable, it is characterized in that, comprising assembly pulley and two suspension holdfasts;
Described two suspension holdfasts are symmetricly set in the both sides of the elevator counter-jib of described crane;
Described assembly pulley is arranged between described two suspension holdfasts;
Described suspension holdfast comprises orthogonal suspension arm and linking arm, wherein, described suspension arm is provided with pore structure, and described suspension holdfast is fixed on the counter-jib base of described crane by described linking arm;
Described assembly pulley comprises pulley spindle and pulley, and wherein, described pulley sleeve is on described pulley spindle, and described pulley spindle is each passed through the described pore structure on the described suspension holdfast at two ends.
2. as claimed in claim 1 for changing the device of crane steel cable, it is characterized in that, described assembly pulley also comprises bearing, and described bearing is arranged at the centre position on described pulley spindle, and described pulley is installed on described bearing.
3. as claimed in claim 2 for changing the device of crane steel cable, it is characterized in that, described assembly pulley also comprises two axle sleeves;
Described two axle sleeves are enclosed within described pulley spindle, and described two axle sleeves are positioned at the both sides of described pulley.
4. as claimed in claim 3 for changing the device of crane steel cable, it is characterized in that, described assembly pulley also comprises two logical lids;
Described two logical lids are installed on described pulley spindle, and described two logical lids lay respectively at the outside of described two axle sleeves.
5. as claimed in claim 1 for changing the device of crane steel cable, it is characterized in that, described pore structure is rectangle.
6. as claimed in claim 1 for changing the device of crane steel cable, it is characterized in that, the two ends of described pulley spindle are fixed by nut in described pore structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420718758.4U CN204297948U (en) | 2014-11-25 | 2014-11-25 | A kind of device for changing crane steel cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420718758.4U CN204297948U (en) | 2014-11-25 | 2014-11-25 | A kind of device for changing crane steel cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204297948U true CN204297948U (en) | 2015-04-29 |
Family
ID=53103508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420718758.4U Expired - Fee Related CN204297948U (en) | 2014-11-25 | 2014-11-25 | A kind of device for changing crane steel cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204297948U (en) |
-
2014
- 2014-11-25 CN CN201420718758.4U patent/CN204297948U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170719 Address after: 430080 Qingshan District stock company of Hubei, Wuhan Province Patentee after: Wuhan iron and Steel Company Limited Address before: 430080 Friendship Avenue, Hubei, Wuhan, No. 999 Patentee before: Wuhan Iron & Steel (Group) Corp. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20191125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |