阅读说明：本技术 更换大型桥式吊车主卷大钩台的施工方法 (Replace the construction method of large-scale bridge type crane master file hook platform ) 是由 姜宗明 李勇 涂修利 王跃峰 杜晓峰 李玲 彭建华 罗宗林 于 2019-08-21 设计创作，主要内容包括：本发明公开了一种更换大型桥式吊车主卷大钩台的施工方法,属于起重设备维修维护工艺方法技术领域。提供一种能有效减少人员使用数量,缩短更换时间的更换大型桥式吊车主卷大钩台的施工方法。所述的施工方法包括新钢丝绳和新大钩台,所述的施工方法先将用于更换的新大钩台转运放置就位后；再将现有绕接在旧大钩台的滑轮与吊车的卷筒装置之间的各股旧钢丝绳,从下部靠近滑轮处分别以切割再重新连接的方式绕接到新大钩台的滑轮与吊车的卷筒装置之间完成钢丝绳的乔迁转移；然后再将新钢丝绳的一端与对应侧的旧钢丝绳的一端分别连接,最后再依靠现有驱动装置的驱动力将新钢丝绳乔迁更换到新大钩台的滑轮与吊车的卷筒装置之间完成所述的更换工作。(The invention discloses a kind of construction methods for replacing large-scale bridge type crane master file hook platform, belong to lifting equipment maintenance maintenance process technical field.There is provided it is a kind of can effectively reduce personnel's usage quantity, shorten replacing construction replacement large-scale bridge type crane master file hook platform construction method.The construction method includes new wirerope and new hook platform, after the new hook platform transhipment for being used to replace first is placed in position by the construction method；Each stock old wire rope by existing solderless wrapped connection between the pulley of old hook platform and the roll device of crane again completes the moving to a better place transfer of wirerope from lower part in a manner of cutting re-attached between the roll device of pulley and crane for being connected to new hook platform respectively from pulley；Then one end of one end of new wirerope and the old wire rope of respective side is separately connected again, finally again by existing driving device driving force by new wirerope moving to a better place replacement to new hook platform pulley and crane roll device between complete described in more change jobs.)

1. a kind of construction method for replacing large-scale bridge type crane master file hook platform, including new wirerope and new hook platform, feature It is: after the new hook platform transhipment for being used to replace first is placed in position by the construction method；Again by existing solderless wrapped connection in old hook Each stock old wire rope between the pulley of platform and the roll device of crane is connected with cutting from pulley again again respectively from lower part The mode connect completes the moving to a better place transfer of wirerope between the roll device of pulley and crane for being connected to new hook platform；Then again will One end of the old wire rope of one end and respective side of new wirerope is separately connected, and finally relies on the driving force of existing driving device again By new wirerope moving to a better place replacement to new hook platform pulley and crane roll device between complete described in more change jobs.

2. the construction method of replacement large-scale bridge type crane master file hook platform according to claim 1, it is characterised in that: in Qiao Move each stock old wire rope between the roll device of the pulley and crane that shift old hook platform to new hook platform pulley and crane Roll device between before, the decentralization of the length of each stock old wire rope between pulley and roll device is at least first exceeded into two cunnings Then the length for taking turns perimeter carries out the moving to a better place transfer operation of cutting reconnect again.

3. the construction method of replacement large-scale bridge type crane master file hook platform according to claim 1, it is characterised in that: moving to a better place By being welded to connect as an entirety between each stock old wire rope after transfer.

4. the construction method of replacement large-scale bridge type crane master file hook platform according to claim 1,2 or 3, feature exist In: in the cunning that each stock old wire rope moving to a better place between the pulley of old hook platform and the roll device of crane is transferred to new hook platform When between wheel and the roll device of crane, the moving to a better place transfer work of the old wire rope of new hook platform two sides carries out simultaneously.

Technical field

The present invention relates to a kind of construction methods, more particularly, to a kind of construction for replacing large-scale bridge type crane master file hook platform Method belongs to lifting equipment maintenance maintenance process technical field.

Background technique

Currently, large-scale bridge type crane is generally used in metallurgy industry, the hook platform structure type in master file lifting mechanism Almost.According to the tired situation of hook platform structural member, generally need that overhaul is combined to be replaced in 7-10 or so. In the actual operation process, due to rhythm of production anxiety, it is desirable that the construction period one subtracts to be subtracted again, not so be will cause production logistics and is had some setbacks Row.

Existing common replacing options are as follows:

1) line is outer assembles new hook platform, I, which includes, installs new connector, and transports to scene and fix；

2) hook plate of old hook platform is removed；

3) old hook platform is placed into ground, contacts and has a power failure after steady；

4) every steel cable of the pulley blocks of hook platform is cut off with gas welding；

It 5) will be with regard to old hook platform inverted walk；

6) all steel cables cut off are taken down；

7) slider and messenger are set above reel.Then by messenger according to steel cable winding sequence since first pulley It penetrates, cooperates drop-down messenger in slider, be pierced by from first fixed pulley of master file lifting mechanism hook platform；So circulation, until The pulley for completing all one side reaches reel；Recycling the new steel cable of messenger band to pass through, pulley completes new old wire rope and master file rises Rise the replacement of the hook platform in mechanism.At this point, messenger is using 6 × 37-15.5mm steel cable；

(8) the steel cable head on reel；

(9) power transmission test run, adjustment hook platform balance；

(10) new hook plate is installed；

(11) it is delivered for use.

Aforesaid operations are the operation order on hook platform one side, and the replacement of left and right ends wirerope is made simultaneously in practical operation Industry, specific number and time are 40 people × 32 hour, and artificial to expend greatly, replacing construction span is long, seriously affects the normal of production It carries out.

Summary of the invention

The technical problems to be solved by the present invention are: provide it is a kind of can effectively reduce personnel's usage quantity, when shortening replacement Between replacement large-scale bridge type crane master file hook platform construction method.

Used technical solution is to solve above-mentioned technical problem: a kind of replacement large-scale bridge type crane master file hook platform Construction method, including new wirerope and new hook platform, the construction method first place the new hook platform transhipment for being used to replace After in place；Each stock old wire rope by existing solderless wrapped connection between the pulley of old hook platform and the roll device of crane again, from lower part At the pulley respectively in a manner of cutting re-attached around being connected between the roll device of pulley and crane of new hook platform Complete the moving to a better place transfer of wirerope；Then one end of one end of new wirerope and the old wire rope of respective side is separately connected again, The pulley of new hook platform and the reel of crane finally are arrived into the moving to a better place replacement of new wirerope by the driving force of existing driving device again More changing jobs described in being completed between device.

Further, shifting each stock old wire rope between the pulley of old hook platform and the roll device of crane in moving to a better place To new hook platform pulley and crane roll device between before, first by each stock old wire rope between pulley and roll device Length decentralization at least exceeds the length of two pulley circumferences, then carries out the moving to a better place transfer operation of cutting reconnect again.

The preferred mode of the above solution is that whole for one by being welded to connect between each stock old wire rope after shifting of moving to a better place Body.

Further, turning by each stock old wire rope moving to a better place between the pulley of old hook platform and the roll device of crane When moving on between the pulley of new hook platform and the roll device of crane, work is shifted in the moving to a better place of the old wire rope of new hook platform two sides It carries out simultaneously.

The beneficial effects of the present invention are: the replacing options of the application pass through respectively using each stock old wire rope of cutting as more Auxiliary replacement part during changing quickly is replaced old wire rope on each group pulley of new hook platform and the rope drum of driving, Then again by the old wire rope, using the power that driving is had by oneself as driving force by new steel rope replacing to new hook Between each group pulley of platform and the rope drum of driving, the replacement of wirerope and hook platform described herein is completed.Due to entire mistake Old wirerope is made full use of in journey and original driving force of driving a vehicle comes more change steel rope and hook platform, is eliminated in replacement steel wire The artificial drag operation of more people in rope, to not only can be greatly reduced the personnel amount of participation, but also due to whole process In more times be mainly used for respectively penetrating after old wire rope cutting the connection on the pulley of new hook platform, after the completion of connecting The replacement of wirerope is completed according to the old original drive system of row completely, to can also effectively shorten replacing construction, is improved more Efficiency is changed, minimizes hook platform and steel rope replacing to influence caused by production.

Specific embodiment

In order to solve the above technical problems existing in the prior art, provided by the invention a kind of to effectively reduce personnel and make With quantity, shorten the construction method of the replacement large-scale bridge type crane master file hook platform of replacing construction.The construction method includes New wirerope and new hook platform, after the new hook platform transhipment for being used to replace first is placed in position by the construction method；It will show again There is each stock old wire rope of the solderless wrapped connection between the pulley of old hook platform and the roll device of crane, distinguishes from pulley from lower part Qiao of wirerope is completed between the roll device of pulley and crane for being connected to new hook platform in a manner of cutting re-attached Move transfer；Then one end of one end of new wirerope and the old wire rope of respective side is separately connected again, finally again by existing The driving force of driving device will complete institute between the pulley of new wirerope moving to a better place replacement to new hook platform and the roll device of crane That states more changes jobs.The replacing options of the application pass through respectively using each stock old wire rope of cutting as the auxiliary in replacement process Replacement part is quickly replaced old wire rope on each group pulley of new hook platform and the rope drum of driving, then again by described Old wire rope, using own power of driving a vehicle as driving force by each group pulley of new steel rope replacing to new hook platform and Between the rope drum of driving, the replacement of wirerope and hook platform described herein is completed.It is old due to being made full use of in whole process There is wirerope and the original driving force of driving a vehicle comes more change steel rope and hook platform, eliminates the artificial of in more change steel rope more people Drag operation, to not only can be greatly reduced the personnel amount of participation, but also due to time masters more in whole process It is used to after old wire rope is cut off respectively penetrate the connection on the pulley of new hook platform, it is completely old original according to row after the completion of connecting Drive system complete the replacement of wirerope and improve replacement efficiency, to greatest extent to can also effectively shorten replacing construction Reduce hook platform and steel rope replacing influences to caused by production.

In above embodiment, for the convenience of replacement operation, is especially shifted after cutting off old wire rope and be also Qiao The convenience of attended operation after adjourning on new hook platform, the application shift the pulley of old hook platform and the reel of crane in moving to a better place Each stock old wire rope between device to new hook platform pulley and crane roll device between before, first pulley and reel are filled The length decentralization of each stock old wire rope between setting at least exceeds the length of two pulley circumferences, is then cut and is connected again again The moving to a better place transfer operation connect.The attended operation in conjunction with the actual conditions at scene, and belongs to interim behaviour in short-term in nature Make, it is only necessary to guarantee to can guarantee the reality that the connection of old wire rope does not fall off failure in the replacement of new old wire rope, it is tall By being welded to connect as an entirety between each stock old wire rope after moving transfer.Correspondingly, in order to improve to greatest extent more Efficiency is changed, each stock old wire rope moving to a better place between the pulley of old hook platform and the roll device of crane is being transferred to new hook platform Pulley and crane roll device between when, the old wire rope of new hook platform two sides moving to a better place transfer work carry out simultaneously.

Certainly, the connection of above-mentioned old wire rope, can also be connect using wearing between each finer wire of rope end and adhesive tape is tied Connection type is tied up, i.e., the frictional force between each finer wire that common phase interpenetrating connects realizes that the mode of connection, this mode connect Connect speed faster, more efficient, the fastness only connected is relatively poor.

In conclusion use the hook platform of above-mentioned replacing options replacement driving provided by the present application and wirerope also have with Lower advantage,

In the overhaul construction of large-scale bridge type crane, " moving to a better place " method is innovatively proposed, keeps the replacement efficiency of hook platform big Width is promoted, while also reducing security risk, decreases the construction time long influence having some setbacks to production logistics.Its superiority exists In:

1) method novelty: real using " moving to a better place method " to the replacement of hook platform in the construction industry of large-scale bridge type crane Belong to the first, in previous various data, does not find the arrangement and method for construction or so narration.

2) high construction efficiency: using new method, and construction efficiency improves 7 times.

Original construction working hour: 40 people × 32 hour；New method working hour: 20 people × 8 hour；It is specific on working hour to shorten are as follows: (40 × 32-20 × 8)/20 × 8=7.0.

3) highly-safe: former construction method will use messenger, and steel cable has fallen off, and falling accident occurs.Using messenger, need Pulling steel cable operating personnel it is more.

4) reliability: ensure that steel cable will not fall off the falling accident of generation.