CN202729643U - Flexible connection device and mast assembly - Google Patents

Flexible connection device and mast assembly Download PDF

Info

Publication number
CN202729643U
CN202729643U CN 201220376560 CN201220376560U CN202729643U CN 202729643 U CN202729643 U CN 202729643U CN 201220376560 CN201220376560 CN 201220376560 CN 201220376560 U CN201220376560 U CN 201220376560U CN 202729643 U CN202729643 U CN 202729643U
Authority
CN
China
Prior art keywords
pedestal
flexible connecting
mast
shackle
assembly
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.)
Withdrawn - After Issue
Application number
CN 201220376560
Other languages
Chinese (zh)
Inventor
姜锡祥
刘玉泉
孟进军
余钦伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Construction Machinery Branch of XCMG
Original Assignee
Construction Machinery Branch of XCMG
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 Construction Machinery Branch of XCMG filed Critical Construction Machinery Branch of XCMG
Priority to CN 201220376560 priority Critical patent/CN202729643U/en
Application granted granted Critical
Publication of CN202729643U publication Critical patent/CN202729643U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

Links

Images

Abstract

The utility model discloses a flexible connection device and a mast assembly and relates to the technical field of engineering machinery. The flexible connection device and the mast assembly solve the technical problem that in the prior art, installation takes much time and energy. The flexible connection device comprises a first seat body, a second seat body and a flexible connection part. One end of the flexible connection part is detachably connected with the first seat body, and the other end of the flexible connection part is detachably connected with the second seat body. At least one of the first seat body and the second seat body is a plate body. The flexible connection part is a chain or a rope belt. The mast assembly comprises the flexible connection device. The flexible connection device and the mast assembly are used for reducing time of the mast assembly and installation and operation of a rotating platform.

Description

Flexible connecting device and mast assembly
Technical field
The utility model relates to technical field of engineering machinery, the mast assembly that is specifically related to a kind of flexible connecting device and this flexible connecting device is set.
Background technology
Crawler crane is a kind of truss-type cantilever crane structure hoisting crane that adopts caterpillar band traveling chassis.The transportation unit that the mast assembly is comprised of the mast of crawler crane, main transformer width of cloth elevator, main transformer width of cloth assembly pulley, main transformer width of cloth steel rope etc.
Such as Fig. 1~shown in Figure 5, the installation of prior art middle mast assembly is an important step of crawler crane assembling.To be rigidly connected in hinged mode by rigid pins 8 between the side plate 50 at the mast 4 in the mast assembly, main transformer width of cloth elevator 5 two ends and framework 60 threes of main transformer width of cloth assembly pulley 6.The installation steps of existing mast assembly comprise 3 step: S1, mast 4 are installed; S2, installation main transformer width of cloth elevator 5; S3, installation main transformer width of cloth assembly pulley 6.
Need to adopt the on-the-spot mode of joining weldering of adjusting that mast 4, main transformer width of cloth elevator 5 and main transformer width of cloth assembly pulley 6 are installed on the turntable 9 in the above-mentioned installation process.In the installation process, mast 4 hinges 1 are installed first, in this structure, mast 4 can only rotate around hinge 71, and hinge 72, hinge 73 any errors all are difficult to adjust, can't installation in position., main transformer width of cloth elevator 5 and main transformer width of cloth assembly pulley 6 can only be pulled down from the mast assembly in the prior art for this reason, separately main transformer width of cloth elevator 5 and main transformer width of cloth assembly pulley 6 are lifted on the turntable 9 with another auxiliary hoist.
There is following technical matters at least in prior art:
Such as Fig. 1~shown in Figure 5, main transformer width of cloth elevator 5 and main transformer width of cloth assembly pulley 6 need to be pulled down from the mast assembly when being installed in the mast assembly on the turntable 9 in the prior art, install realizing with sling main transformer width of cloth elevator 5 and main transformer width of cloth assembly pulley 6 of another whipline again, not only to increase the accessory equipments such as whipline, and fitting operation wastes time and energy, and causes installation effectiveness lower.
The utility model content
The purpose of this utility model is the method for attachment that proposes a kind of flexible connecting device, mast assembly and this mast assembly and the turntable of this flexible connecting device are set, and has solved prior art and has had the technical matters that time and effort consuming is installed.
For achieving the above object, the utility model provides following technical scheme:
The flexible connecting device that the utility model embodiment provides comprises the first pedestal, the second pedestal and flexible connecting member, wherein:
A wherein end and described first pedestal of described flexible connecting member removably connect, and the wherein other end of described flexible connecting member and described the second pedestal removably connect;
One of them is plate at least for described the first pedestal and described the second pedestal;
Described flexible connecting member is chain or rope band.
Preferably, described flexible connecting member is chain, described flexible connecting member comprises that first unloads buckle assembly, second and unload buckle assembly and be connected in described first and unload buckle assembly and the described second chain body that unloads between the buckle assembly, and described chain body is in series at least two chain links;
Described the first pedestal and described the second pedestal are plate;
Be provided with connecting through hole on described the first pedestal, described first a wherein part of unloading buckle assembly is articulated on the described connecting through hole, and described first unloads wherein another part of buckle assembly and a wherein end of described chain body removably connects;
Be provided with on described the second pedestal and articulate through hole, described second unload buckle assembly wherein a part be articulated in described articulating on the through hole, and described second unloads wherein another part of buckle assembly and the wherein other end of described chain body removably connects.
Preferably, described first unloads buckle assembly comprises the first shackle and the first junction button that articulates mutually with the first shackle, and described second unloads buckle assembly comprises the second shackle and the second junction button that articulates mutually with the second shackle.
Preferably, described the first shackle and described the second shackle include bearing pin rod member and forniciform bool separately;
A wherein end of described bearing pin rod member is provided with holding part, and the wherein other end of described bearing pin rod member is provided with outside thread;
The wherein end of an end of described bool is provided with positioning through hole, and the wherein other end of described bool is provided with screw;
Described bearing pin rod member arranges an externally threaded end and passes connecting through hole on described positioning through hole and described the first pedestal, and the described outside thread on the described bearing pin rod member matches with described screw.
Preferably, described the first junction button respectively with described the first shackle and described chain body on one of them chain link articulate mutually;
Described the second junction button respectively with described the second shackle and described chain body on wherein another chain link articulate mutually.
Preferably, also be provided with limiting through hole on described the first pedestal.
The mast assembly that the utility model embodiment provides comprises mast, main transformer width of cloth elevator, main transformer width of cloth assembly pulley and at least four flexible connecting devices that the arbitrary technical scheme of the utility model embodiment provides, wherein:
Described the first pedestal in the described flexible connecting device is captiveed joint with described mast;
At least wherein described second pedestal of two described flexible connecting devices is captiveed joint with the side plate at described main transformer width of cloth elevator two ends;
At least wherein described second pedestal of two described flexible connecting devices is captiveed joint with the both sides of the framework of described main transformer width of cloth assembly pulley.
Preferably, described the first pedestal is welded on the described mast.
Preferably, the length of described flexible connecting member is between 600mm~1400mm.
The mast assembly that the utility model embodiment provides and the method for attachment of turntable may further comprise the steps:
Side plate mounting hole on the side plate at described main transformer width of cloth elevator two ends and the first mounting hole on the turntable are aligned, the first bearing pin is run through being arranged on described side plate mounting hole and described the first mounting hole;
Frame mounting hole on the framework of described main transformer width of cloth assembly pulley and the second mounting hole on the turntable are aligned, the second bearing pin is run through being arranged on described frame mounting hole and described the second mounting hole;
Untie the described flexible connecting device that is connected with framework and the described mast of described main transformer width of cloth assembly pulley, a wherein end of the described mast of left-hand revolution aligns mast mounting hole on the wherein other end of described mast and the 3rd mounting hole on the described turntable, uses the 3rd bearing pin to run through and is arranged on described mast mounting hole and described the 3rd mounting hole;
Untie the described flexible connecting device that is connected with side plate and the described mast at described main transformer width of cloth elevator two ends, described mast is placed on desired location on the described turntable.
Based on technique scheme, the utility model embodiment can produce following technique effect at least:
Because the first pedestal in the utility model in the flexible connecting device is captiveed joint with mast, at least wherein the second pedestal of two flexible connecting devices is captiveed joint with the side plate at main transformer width of cloth elevator two ends, at least wherein the second pedestal of two flexible connecting devices is captiveed joint with the both sides of the framework of main transformer width of cloth assembly pulley, by being set, flexible connecting device realized flexibly connecting between turntable and the main transformer width of cloth elevator and between turntable and the main transformer width of cloth assembly pulley thus, owing to having certain degree of freedom between two parts that flexibly connect, main transformer width of cloth elevator and main transformer width of cloth assembly pulley degree of freedom separately are not subjected to the restriction of miscellaneous part, so can adjust as required main transformer width of cloth elevator, the position of main transformer width of cloth assembly pulley and turntable, like this, can utilize the installation method of substep centering, sling in the mast utilizing crane, utilize mast and flexible connecting device with main transformer width of cloth elevator, main transformer width of cloth assembly pulley drives to relatively near the position of turntable, then with main transformer width of cloth elevator, after main transformer width of cloth assembly pulley is in place, remove again and flexibly connect, mast is placed on desired location on the turntable to finish the attended operation between mast assembly and the turntable the most at last, use a hoisting crane both can realize the installation of mast assembly and turntable in the whole installation process, need not to increase whipline just can with the mast assembly accurately, be installed in efficiently on the turntable, and it is lower to remove the operation dismounting difficulty for the rigidly connected operation of dismounting in the prior art that flexibly connects, the operation that releasing flexibly connects is more time saving and energy saving, has the technical matters that time and effort consuming is installed so solved prior art.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, consists of the application's a part, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is a structural representation of prior art middle mast assembly;
Fig. 2 is another structural representation of prior art middle mast assembly;
Fig. 3 is the side plate at main transformer width of cloth elevator two ends among Fig. 2 and the enlarged diagram of mast junction;
Fig. 4 is the framework of main transformer width of cloth assembly pulley among Fig. 2 and the enlarged diagram of mast junction;
Fig. 5 is the schematic diagram that the process of mast assembly is installed at turntable in the prior art;
A structural representation of the mast assembly that Fig. 6 provides for the utility model embodiment;
Fig. 7 is the local enlarged diagram of the side plate junction of mast shown in Figure 6 and main transformer width of cloth elevator;
Fig. 8 is the local enlarged diagram of the side plate junction of mast shown in Figure 6 and main transformer width of cloth elevator;
Fig. 9 is the schematic diagram of annexation between the first pedestal shown in Figure 6 and the flexible connecting member;
Figure 10 is the schematic diagram of step S1 in the method for attachment of mast assembly provided by the utility model and turntable;
Figure 11 is the schematic diagram of step S2 in the method for attachment of mast assembly provided by the utility model and turntable;
Figure 12 is the schematic diagram of step S3 in the method for attachment of mast assembly provided by the utility model and turntable.
Mark among the figure: 1, the first pedestal; 101, the first mounting hole; 102, the second mounting hole; 103, the 3rd mounting hole; 12, limiting through hole; 2, the second pedestal; 3, flexible connecting member; 31, first unload buckle assembly; 311, the first shackle; 312, the first junction button; 32, second unload buckle assembly; 321, the second shackle; 322, the second junction button; 301, bearing pin rod member; 302, holding part; 303, bool; 33, chain body; 330, chain link; 4, mast; 5, main transformer width of cloth elevator; 50, side plate; 6, main transformer width of cloth assembly pulley; 60, framework; 71, hinge; 72, hinge; 73, hinge; 8, rigid pins; 9, turntable.
The specific embodiment
Below by accompanying drawing Fig. 6~Figure 12 and the mode of enumerating optional embodiment more of the present utility model, the technical solution of the utility model (comprising optimal technical scheme) is described in further detail.Need to prove: any technical characterictic in the present embodiment; any technical scheme all is the technical characterictic of plurality of optional or one or more in the optional technical scheme; can't exhaustive all alternative technical characterictics of the present utility model and alternative technical scheme in order to describe succinct need in the presents; the embodiment that also is not easy to each technical characterictic emphasizes that all it is one of optional numerous embodiments; so those skilled in the art should know: any technical characterictic and any technical scheme in the present embodiment all do not limit protection domain of the present utility model, and protection domain of the present utility model should comprise that those skilled in the art do not pay the thinkable any alternate embodiments of creative work.
The utility model embodiment provides a kind of method of attachment that the mast assembly can be installed in accurately and fast flexible connecting device on the turntable, mast assembly and this mast assembly and the turntable of this flexible connecting device are set.
The technical scheme that provides below in conjunction with the more detailed by way of example explanation the utility model of accompanying drawing Fig. 6~Figure 12.
Such as Fig. 6~shown in Figure 12, the flexible connecting device that the utility model embodiment provides comprises the first pedestal 1, the second pedestal 2 and flexible connecting member 3, wherein:
A wherein end and first pedestal 1 of flexible connecting member 3 removably connect, and the wherein other end of flexible connecting member 3 and the second pedestal 2 removably connect.One of them is plate at least for the first pedestal 1 and the second pedestal 2, is preferably the first pedestal 1 and the second pedestal 2 is plate.Flexible connecting member 3 is chain or rope band, is preferably chain.
Flexible connecting member 3 can flexibly connect the first pedestal 1 and the second pedestal 2 together.
Certainly, use other have flexible materials make flexible connecting member 3 with the technical scheme that replaces chain or rope band also within protection domain of the present utility model.
Flexible connecting member 3 is preferably chain in the present embodiment, flexible connecting member 3 comprises that first unloads buckle assembly 31, second and unload buckle assembly 32 and be connected in first and unload buckle assembly 31 and second and unload chain body 33 between the buckle assembly 32, and chain body 33 is in series at least two chain links 330.
First unloads buckle assembly 31 can articulate for different shackles and form, and also can form for a plurality of single shackles articulate.
The first pedestal 1 and the second pedestal 2 are plate.The first pedestal 1 of plate and the second pedestal 2 are convenient to adopt the mode of welding to be fixed on the framework 60 of the side plate 50 at mast 4, main transformer width of cloth elevator 5 two ends or main transformer width of cloth assembly pulley 6.
Be provided with connecting through hole on the first pedestal 1, first a wherein part of unloading buckle assembly 31 is articulated on the connecting through hole, and first unloads wherein another part of buckle assembly 31 and a wherein end of chain body 33 removably connects.
Be provided with on the second pedestal 2 and articulate through hole, second unload buckle assembly 32 wherein a part be articulated in and articulate on the through hole, and second unloads that buckle assembly 32 or first unloads wherein another part of buckle assembly 31 and the wherein other end of chain body 33 removably connects.
Above-mentioned structural texture is simple, is convenient to make and loading and unloading.
In the present embodiment first unload that buckle assembly 31 comprises the first shackle 311 and the first junction button 312(figure of articulating mutually with the first shackle 311 shown in junction button be also sometimes referred to as shackle), second unloads buckle assembly 32 comprises the second shackle 321 and the second junction button 322 that articulates mutually with the second shackle 321.
Shackle (comprising the first shackle 311 and the second shackle 321 herein) has advantages of convenient disassembly, and junction button (comprising the first junction button 312 and the second junction button 322 herein) has larger internal diameter, can articulate mutually with thicker ring-shaped article.
The first shackle 311 and the second shackle 321 include bearing pin rod member 301 and forniciform bool 303 separately in the present embodiment.A wherein end of bearing pin rod member 301 is provided with holding part 302, and the wherein other end of bearing pin rod member 301 is provided with outside thread.The wherein end of an end of bool 303 is provided with positioning through hole, and the wherein other end of bool 303 is provided with screw.Bearing pin rod member 301 arranges connecting through hole and the outside thread that an externally threaded end passes on positioning through hole and the first pedestal 1 and matches with screw.
The first shackle 311 of this structure and the second shackle 321 not only are convenient to dismounting, are convenient to articulate operation, and simple in structure, are convenient to make.
Also be provided with the clamping through hole in this example on the holding part 302.Spanner is inserted the clamping through hole can be driven holding part 302 and whole bearing pin rod member 301 and turn to the position of throwing off screw.After throwing off screw and positioning through hole, the first shackle 311 or the second shackle 321 can be untied from the connecting through hole on the first pedestal 1 by bearing pin rod member 301.
In the present embodiment the first junction button 312 respectively with the first shackle 311 and chain body 33 on one of them chain link 330 articulate mutually.The second junction button 322 respectively with the second shackle 321 and chain body 33 on wherein another chain link 330 articulate mutually.
Junction button (comprising the first junction button 312 and the second junction button 322 herein) has larger internal diameter, is convenient to be connected with the chain link 330 of chain.The first junction button 312 and the second junction button 322 that uses in this example all be approximately " in " font.
Certainly, the attaching parts that uses other structures with the technical scheme that replaces the first junction button 312 and the second junction button 322 also within protection domain of the present utility model.
Also be provided with limiting through hole 12 on the first pedestal 1 in the present embodiment.
After untiing flexible connecting member 3, the second shackle 321 can be articulated on the limiting through hole 12, avoid flexible connecting member 3 arbitrarily to swing.
Such as Fig. 6~shown in Figure 12, the mast assembly that the utility model embodiment provides comprises mast 4, main transformer width of cloth elevator 5, main transformer width of cloth assembly pulley 6 and at least four flexible connecting devices that the arbitrary technical scheme of the utility model provides, wherein:
The first pedestal 1 in the flexible connecting device is captiveed joint with mast 4.
At least wherein the second pedestal 2 of two flexible connecting devices is captiveed joint with the side plate 50 at main transformer width of cloth elevator 5 two ends respectively.
At least wherein the second pedestal 2 of two flexible connecting devices is captiveed joint with the both sides of the framework 60 of main transformer width of cloth assembly pulley 6.
Different two groups of (every group is 4 in this example) flexible connecting devices in position flexibly connect the side plate 50 at main transformer width of cloth elevator 5 two ends together with mast 4, and also both sides and the mast 4 with the framework 60 of main transformer width of cloth assembly pulley 6 flexibly connects together.
The first pedestal 1 is welded on the mast 4.Be welded to connect not only fairly simplely, and Joint strenght is higher.
The length of flexible connecting member 3 can specifically can arbitrarily arrange its length as required between 600mm~1400mm in the present embodiment, for example: can be 1000mm.
Such as Fig. 6~shown in Figure 12, the mast assembly that the utility model embodiment provides and the method for attachment of turntable 9 may further comprise the steps:
S1, side plate mounting hole on the side plate 50 at main transformer width of cloth elevator 5 two ends and the first mounting hole 101 on the turntable 9 are aligned, the first bearing pin rod member 301 is run through being arranged on side plate mounting hole and the first mounting hole 101.
S2, frame mounting hole on the framework 60 of main transformer width of cloth assembly pulley 6 and the second mounting hole 102 on the turntable 9 are aligned, the second bearing pin rod member 301 is run through being arranged on frame mounting hole and the second mounting hole 102.
S3, untie the flexible connecting device that is connected with framework 60 and the mast 4 of main transformer width of cloth assembly pulley 6, a wherein end of left-hand revolution mast 4 aligns mast mounting hole on the wherein other end of mast 4 and the 3rd mounting hole 103 on the turntable 9, uses the 3rd bearing pin rod member 301 to run through and is arranged on mast mounting hole and the 3rd mounting hole 103.
S4, untie the flexible connecting device that is connected with side plate 50 and the mast 4 at main transformer width of cloth elevator 5 two ends, mast 4 is placed on desired location on the turntable 9.
By being set, flexible connecting device realized flexibly connecting between turntable 9 and the main transformer width of cloth elevator 5 and between turntable 9 and the main transformer width of cloth assembly pulley 6 in the utility model, owing to having certain degree of freedom between two parts that flexibly connect, main transformer width of cloth elevator 5 and main transformer width of cloth assembly pulley 6 degree of freedom separately are not subjected to the restriction of miscellaneous part, so can adjust as required main transformer width of cloth elevator 5, the position of main transformer width of cloth assembly pulley 6 and turntable 9, like this, can utilize the installation method of substep centering, sling in the mast 4 utilizing crane, utilize mast 4 and flexible connecting device with main transformer width of cloth elevator 5, main transformer width of cloth assembly pulley 6 drives to relatively near the position of turntable 9, then with main transformer width of cloth elevator 5, after main transformer width of cloth assembly pulley 6 is in place, remove again and flexibly connect, mast 4 is placed on desired location on the turntable 9 to finish the attended operation between mast assembly and the turntable 9 the most at last, use a hoisting crane both can realize the installation of mast assembly and turntable 9 in the whole installation process, need not to increase whipline just can with the mast assembly accurately, be installed in efficiently on the turntable 9, and it is lower to remove the operation dismounting difficulty for the rigidly connected mode of dismounting in the prior art that flexibly connects, and removes the operation that flexibly connects more time saving and energy saving.
Above-mentioned arbitrary technical scheme disclosed in the utility model unless otherwise stated outside, disclosed number range is preferred number range, any it should be appreciated by those skilled in the art: preferred number range only is the apparent in view or representative numerical value of technique effect in many enforceable numerical value.Because numerical value is more, can't be exhaustive, so the utility model just discloses part numerical value with the casehistory the technical solution of the utility model, and the above-mentioned numerical value of enumerating should not consist of the restriction of the utility model being created protection domain.
Simultaneously, parts or the framing member of the disclosed or connection fastened to each other that relates to of above-mentioned the utility model, unless otherwise stated, captive joint all can be understood as: can dismantle ground captive joint (for example using bolt or screw to connect), also can be understood as: non-removable captive joint (for example rivet, weld), certainly, connection fastened to each other also can be replaced by integral type structure (for example use foundry technique is integrally formed to be created) (obviously can't adopt except the integrally formed technique).
In addition, in the disclosed arbitrary technical scheme of above-mentioned the utility model applied term for expression geometry site or geometric configuration unless otherwise stated outer its implication comprise and its approximate, similar or approaching state or shape.
Should be noted that at last: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.

Claims (9)

1. a flexible connecting device is characterized in that, comprises the first pedestal, the second pedestal and flexible connecting member, wherein:
A wherein end and described first pedestal of described flexible connecting member removably connect, and the wherein other end of described flexible connecting member and described the second pedestal removably connect;
One of them is plate at least for described the first pedestal and described the second pedestal;
Described flexible connecting member is chain or rope band.
2. flexible connecting device according to claim 1, it is characterized in that, described flexible connecting member is chain, described flexible connecting member comprises that first unloads buckle assembly, second and unload buckle assembly and be connected in described first and unload buckle assembly and the described second chain body that unloads between the buckle assembly, and described chain body is in series at least two chain links;
Described the first pedestal and described the second pedestal are plate;
Be provided with connecting through hole on described the first pedestal, described first a wherein part of unloading buckle assembly is articulated on the described connecting through hole, and described first unloads wherein another part of buckle assembly and a wherein end of described chain body removably connects;
Be provided with on described the second pedestal and articulate through hole, described second unload buckle assembly wherein a part be articulated in described articulating on the through hole, and described second unloads wherein another part of buckle assembly and the wherein other end of described chain body removably connects.
3. flexible connecting device according to claim 2, it is characterized in that, described first unloads buckle assembly comprises the first shackle and the first junction button that articulates mutually with the first shackle, and described second unloads buckle assembly comprises the second shackle and the second junction button that articulates mutually with the second shackle.
4. flexible connecting device according to claim 3 is characterized in that, described the first shackle and described the second shackle include bearing pin rod member and forniciform bool separately;
A wherein end of described bearing pin rod member is provided with holding part, and the wherein other end of described bearing pin rod member is provided with outside thread;
The wherein end of an end of described bool is provided with positioning through hole, and the wherein other end of described bool is provided with screw;
Described bearing pin rod member arranges an externally threaded end and passes connecting through hole on described positioning through hole and described the first pedestal, and the described outside thread on the described bearing pin rod member matches with described screw.
5. flexible connecting device according to claim 4 is characterized in that, described the first junction button respectively with described the first shackle and described chain body on one of them chain link articulate mutually;
Described the second junction button respectively with described the second shackle and described chain body on wherein another chain link articulate mutually.
6. flexible connecting device according to claim 1 is characterized in that, also is provided with limiting through hole on described the first pedestal.
7. a mast assembly is characterized in that, comprises mast, main transformer width of cloth elevator, main transformer width of cloth assembly pulley and at least four arbitrary described flexible connecting devices of claim 1-6, wherein:
Described the first pedestal in the described flexible connecting device is captiveed joint with described mast;
At least wherein described second pedestal of two described flexible connecting devices is captiveed joint with the side plate at described main transformer width of cloth elevator two ends;
At least wherein described second pedestal of two described flexible connecting devices is captiveed joint with the both sides of the framework of described main transformer width of cloth assembly pulley.
8. mast assembly according to claim 7 is characterized in that, described the first pedestal is welded on the described mast.
9. mast assembly according to claim 7 is characterized in that, the length of described flexible connecting member is between 600mm~1400mm.
CN 201220376560 2012-08-01 2012-08-01 Flexible connection device and mast assembly Withdrawn - After Issue CN202729643U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220376560 CN202729643U (en) 2012-08-01 2012-08-01 Flexible connection device and mast assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220376560 CN202729643U (en) 2012-08-01 2012-08-01 Flexible connection device and mast assembly

Publications (1)

Publication Number Publication Date
CN202729643U true CN202729643U (en) 2013-02-13

Family

ID=47655365

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220376560 Withdrawn - After Issue CN202729643U (en) 2012-08-01 2012-08-01 Flexible connection device and mast assembly

Country Status (1)

Country Link
CN (1) CN202729643U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103569879A (en) * 2012-08-01 2014-02-12 徐工集团工程机械股份有限公司 Flexible connecting device, mast assembly and connecting method of mast assembly and rotating platform

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103569879A (en) * 2012-08-01 2014-02-12 徐工集团工程机械股份有限公司 Flexible connecting device, mast assembly and connecting method of mast assembly and rotating platform
CN103569879B (en) * 2012-08-01 2015-06-24 徐工集团工程机械股份有限公司 Flexible connecting device, mast assembly and connecting method of mast assembly and rotating platform

Similar Documents

Publication Publication Date Title
JP2010076939A5 (en)
CN100389057C (en) All hydraulic caterpillar cranes
US9944502B2 (en) Cylinder retraction system, boom device and crawler crane
CN101717049B (en) Travelling crane, assembling method, and trunnion used for travelling crane
CN202967930U (en) Device for assisting assembly and disassembly of variable-amplitude oil cylinder and crane with device
CN202729643U (en) Flexible connection device and mast assembly
CN207117089U (en) A kind of foldable cable bearer
CN205381882U (en) Hoist and receive hook device and receive hook system thereof
CN103569879B (en) Flexible connecting device, mast assembly and connecting method of mast assembly and rotating platform
CN204211393U (en) A kind of wind-powered electricity generation lifts special arm head
CN204569267U (en) Equipment unit dismounting is with hanging pull tool
CN214456342U (en) Integrated super-lifting amplitude changing device for crane
CN202543886U (en) Detacher and pinrammer connection mechanism
CN205294657U (en) Portable simple and easy vehicle -mounted hangs
CN208454359U (en) A kind of portable multifunctional transfer device peculiar to vessel
CN207046729U (en) A kind of arm-tie bracket
CN210509080U (en) Can break catwalk machine of tearing open
CN203401253U (en) Cage-type welding rotatable tire of tower crane cargo boom frame
CN203212252U (en) Container transportation vehicle hoisting device and container transportation vehicle
CN209685206U (en) Rope processing device, hoist engine and crane
CN203176086U (en) Hoop, amplitude-change pole assembly provided with same and engineering machine
CN216737195U (en) Steel column hoisting device
CN202729641U (en) Tower arm rear bracket lifting device and crane
CN106698178B (en) Annular suspender
CN216863473U (en) Cantilever crane and crane

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20130213

Effective date of abandoning: 20150624

RGAV Abandon patent right to avoid regrant