CN207483176U

CN207483176U - A kind of New overhead travelling crane

Info

Publication number: CN207483176U
Application number: CN201721536030.XU
Authority: CN
Inventors: 丁碧江
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-11-16
Filing date: 2017-11-16
Publication date: 2018-06-12
Anticipated expiration: 2027-11-16

Abstract

The utility model discloses a kind of New overhead travelling cranes, including two pedestals and the hack lever on pedestal, main beam and secondary crossbeam are fixed between the hack lever of both sides, main beam is located above secondary crossbeam, upper guide groove and lower guide channel are had on main beam and secondary crossbeam, displacement trolley on main beam is installed, hoist engine is installed on displacement trolley, conductor rope is connected on hoist engine, conductor rope hangs down and lowermost position is moved and is equipped with to hook the extension object component for taking weight；The synchronization-moving movable plate of displacement trolley can be followed by being equipped on secondary crossbeam, anti-shake component is connected on movable plate and anti-shake component is set in outside conductor rope, anti-shake component is synchronized with the movement in the horizontal direction with movable plate, anti-shake component bottom is equipped with for connecting anti-shake component and hanging the positioning component of object component, can be reduced by anti-shake component and be hung the shaking caused by inertia in the horizontal direction of object component.

Description

A kind of New overhead travelling crane

Technical field

The utility model is related to crane technical fields, and in particular to a kind of New overhead travelling crane.

Background technology

Bridge crane is that crossbearer carries out the lifting equipment of material handling in workshop, warehouse and stock ground overhead.Due to it Both ends are located on tall and big concrete column or metallic support, and shape is like bridge.The crane span structure edge of bridge crane is laid on both sides height Track on frame is longitudinally running, can make full use of the space handling material below crane span structure, not hindered by ground installation.

Such as the Chinese patent application that Authorization Notice No. is CN202643194U, a kind of overhead traveling crane of the patent application publication Machine, including crossbeam, the shell, the suspension hook below shell that are connected to crossbeam, there are two motor and two for installation on shell Steel wire, one end of two steel wires are connected to a motor, and the other end of two steel wires is both connected on suspension hook.The device leads to The running for crossing two motors drives the lifting of suspension hook.

But in place of Shortcomings, whole device is when slinging weight progress horizontal displacement, due to effect of the steel wire to weight Force direction is perpendicular to horizontal direction so that the weight with certain inertia is easy to swing, and the swing of weight not only shadow The stability of whole device is rung, and is difficult to accurately put weight to precalculated position, leads to working efficiency and safety system Several reductions.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of New overhead travelling crane, prevent Weight can be reduced and be shaken caused by inertia in the horizontal direction by shaking component and positioning component, carried so as to improve weight Stability in journey improves efficiency of movement and safety coefficient.

To achieve the above object, the utility model provides following technical solution：A kind of New overhead travelling crane, including two A pedestal and the hack lever being fixed on pedestal are fixed with main beam between two hack lever the tops, are provided with and run through on main beam The upper guide groove of main beam and the length direction of upper guide groove are parallel to the axis direction of main beam, and being equipped on main beam can be along above leading The displacement trolley of slot length direction movement, is equipped with hoist engine on displacement trolley, and conductor rope is connected on hoist engine, and conductor rope lower end connects It is connected to and hangs object component；Secondary crossbeam is fixed with below the main beam and secondary crossbeam is parallel to main beam setting, is provided on secondary crossbeam The axis direction of secondary crossbeam is parallel to through the lower guide channel of secondary crossbeam and the length direction of lower guide channel；Secondary crossbeam is equipped with movement Plate is equipped with several pulleys on the downside of movable plate and pulley bearing is on secondary crossbeam, movable plate upper side wall be fixed with connecting rod and Connecting rod upper end is fixed on displacement trolley, and through-hole is provided on movable plate, and conductor rope passes through through-hole；Anti-shake group is arranged with outside conductor rope Part, anti-shake component include upper fixing sleeve, several connector sleeves, a lower fixing sleeve, upper fixing sleeve be mounted in through-hole and It is coaxially set with through-hole, several connector sleeves are arranged in being slidably connected between connection and two adjacent connector sleeves, most successively The connector sleeve in outside is connected to fixing sleeve internal perisporium, and innermost connector sleeve is connected to the periphery wall of lower fixing sleeve, lower fixation It puts on and positioning component is installed, positioning component, which connect and limited with extension object component, hangs the shaking of object component in the horizontal direction；When When conductor rope pulling extension object component moves upwards, hang object component and anti-shake component is driven to shrink upwards.

By using above-mentioned technical proposal, weight can be hung on object component, then has hoist engine by heavy lift to appropriate Height, in this process, hang object component and entire anti-shake component driven to shrink upwards；Make displacement trolley again in main beam upper edge Upper guide groove movement, weight is carried to suitable position, during carrying, due to positioning component by hang object component be located in On anti-shake component, anti-shake component is in turn mounted on movable plate, so as to reduce hang object component on weight in the horizontal direction due to It is shaken caused by inertia, so as to improve the stability of weight in the handling process, improves efficiency of movement and safety coefficient.

The utility model is further arranged to：The positioning component includes fixed link, the periphery wall of lower fixing sleeve lower end On be fixed with fixed ear, fixed link upper end is slided to wear and be slid through embedded with the first Limit screw and first Limit screw one end Fixed ear, the first Limit screw are pierced by fixed ear threaded one end and are connected with the first stop nut；Extension object component includes and conductor rope The connecting portion of connection, rotation are connected to the hook on the downside of connecting portion, and lower fixed ear, fixed link lower end are fixed on the peripheral wall of hook Slip is worn slides through lower fixed ear embedded with the second Limit screw and second Limit screw one end, and the second Limit screw is pierced by lower solid Determine ear threaded one end and be connected with the second stop nut.

By using above-mentioned technical proposal, positioning component is removably mounted on lower fixing sleeve and hook, convenient for the later stage pair Hang dismounting, the cleaning of object component.

The utility model is further arranged to：Fixed set, which slides, to be through in through-hole and outside the upper end of upper fixing sleeve Fixing sleeve is equipped with retainer ring on peripheral wall, and retainer ring is connected to movable plate upper side wall, is equipped with to drive fixation on the upside of movable plate Around the drive component of through-hole central axes rotation；Fixing sleeve is axially provided with upper limit position groove in upper fixing sleeve internal perisporium upper edge, and on Limiting slot does not penetrate the port of fixing sleeve lower end；Upper limit position block is respectively and fixedly provided with, and most on the periphery wall of each connection set upper side Upper limit position block on the connector sleeve in outside is slided in upper limit position groove, be respectively and fixedly provided on the periphery wall of each connector sleeve lower end to Connect ring；When extension object component drives anti-shake component to shrink upwards, the abutment ring on each connector sleeve is used to be connected to the connector sleeve At the lower port of the connector sleeve in outside；Lower limit slot and lower limit are axially offered along connector sleeve on the internal perisporium of each connector sleeve Position slot does not penetrate the port of connector sleeve lower end, and the upper limit position block on connector sleeve is slided under the connector sleeve on the outside of the connector sleeve In limiting slot；Lower position block is fixed on the periphery wall of lower fixed set upper side, lower position block is slided embedded in innermost connector sleeve Lower limit slot in；When extension object component drives anti-shake component to shrink upwards, upper fixed ear is used to be connected to innermost connection At the lower end port of set.

By using above-mentioned technical proposal, sometimes before weight is placed into precalculated position, need to adjust and link up with The angle of weight, enables that weight is more neat, specification is put into precalculated position；Fixation can be made by drive component in said program Ring axial rotation so as to which anti-shake component and hook be driven to rotate, makes weight that the rotation of certain angle occur.

The utility model is further arranged to：The positioning component is equipped with multigroup and between central axes of lower fixing sleeve etc. Away from setting.

By using above-mentioned technical proposal, the active force suffered by every group of positioning component is reduced, extends the service life of fixed link, And the active force that lower fixing sleeve is made to be applied to hook is more uniformly distributed.

The utility model is further arranged to：Gap is embedded with the first ball and the first rolling in the lower wall of the retainer ring It is connected on movable plate on the downside of pearl, the first ball is used to reduce frictional force of the retainer ring with movable plate when relatively rotating.

By using above-mentioned technical proposal, for reducing frictional force of the retainer ring with movable plate when relatively rotating.

The utility model is further arranged to：It is fixed with to connect climbing for main beam and secondary crossbeam on the main beam Ladder.

By using above-mentioned technical proposal, swash convenient for staff from main beam to carrying out to drive component on secondary crossbeam Wait the repair or replacement of components.

The utility model is further arranged to：Being rotatably connected on the hook prevents the weight on hook to be detached from hook Valve rod, and valve rod free end slide be equipped with third Limit screw, third Limit screw one end slides through the end of hook, Third Limit screw is pierced by hook threaded one end and is connected with third stop nut.

By using above-mentioned technical proposal, end is linked up with by the way that valve rod free end is located in, hook is made to form closed-loop, So as to which the weight on hook be prevented to be detached from hook.

The utility model is further arranged to：Staircase is fixed on the hack lever, handrail, and main horizontal stroke are installed on staircase The periphery of beam is fixed with handrail.

By using above-mentioned technical proposal, for staff when climbing up main beam, handrail can play protective action.

The utility model is further arranged to：The Its lower side is equipped with idler wheel, and is equipped with to drive on pedestal The Power Component of dynamic idler wheel rotation.

By using above-mentioned technical proposal so that whole device can be moved perpendicular to the direction of upper guide groove length direction, So as to improve the carrying range of the device.

The utility model is further arranged to：Location hole is provided on the idler wheel, is slided on pedestal and is equipped with locating rod And locating rod is slidably pierced into location hole.

By using above-mentioned technical proposal, when hoist engine is when lifting weight or putting down weight, locating rod can be slided and worn Into in location hole, so as to limit the movement of idler wheel, the stability of conductor rope in the above process is improved.

The utility model has the following advantages：

1st, anti-shake component and positioning component can reduce weight and be shaken caused by inertia in the horizontal direction, so as to improve The stability of weight in the handling process improves efficiency of movement and safety coefficient；

2nd, drive component can be such that anti-shake component and hook is rotated around through-hole central axes, so as to make weight that certain angle occur Rotation, convenient for by weight it is more neat, specification be put into precalculated position.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model vertical view；

Fig. 3 is the diagrammatic cross-section at A-A in Fig. 2；

Fig. 4 is each component exploded perspective view hung at object component；

Fig. 5 is the enlarged diagram at B in Fig. 3, shows the connection relation of each component at movable plate；

Fig. 6 is the exploded perspective view of anti-shake component；

Fig. 7 is the exploded perspective view of each component around pedestal.

Reference numeral：1st, pedestal；11st, hack lever；12nd, staircase；121st, handrail；13rd, idler wheel；131st, location hole；132nd, guide rail； 14th, locating rod；15th, Power Component；151st, power motor；152nd, master gear；153rd, pinion；2nd, main beam；21st, upper guide groove； 22nd, cat ladder；23rd, displacement trolley；24th, hoist engine；25th, connecting rod；3rd, secondary crossbeam；31st, lower guide channel；32nd, movable plate；321st, lead to Hole；322nd, retainer ring；323rd, ball；324th, driven tooth；33rd, pulley；4th, conductor rope；5th, drive component；51st, driving motor；52nd, it drives Moving gear；6th, anti-shake component；61st, upper fixing sleeve；611st, upper limit position groove；62nd, connector sleeve；621st, lower limit slot；622nd, upper limit Block；623rd, abutment ring；63rd, lower fixing sleeve；631st, lower position block；632nd, upper fixed ear；7th, positioning component；71st, fixed link；72、 First Limit screw；73rd, the first stop nut；74th, the second stop nut；75th, the second Limit screw；8th, object component is hung；81st, even Socket part；811st, housing；812nd, runner；82nd, it links up with；821st, lower fixed ear；83rd, valve rod；84th, third Limit screw；85th, third limits Position nut.

Specific embodiment

The utility model is described further with reference to attached drawing.

A kind of New overhead travelling crane with reference to figure 1, including two pedestals 1, is respectively and fixedly provided with hack lever 11 on each pedestal 1, and two A main beam 2 is equipped between a pedestal 1, the both ends of main beam 2 are connected to 11 upper end of hack lever of both sides.Under main beam 2 Side is fixed with secondary crossbeam 3, and secondary crossbeam 3 is parallel to main beam 2 and sets.

With reference to figure 7,1 downside of pedestal is equipped with idler wheel 13, and guide rail 132 is equipped on ground, and 13 downside of idler wheel, which is connected to, leads Power Component 15 for idler wheel 13 to be driven to rotate is installed, Power Component 15 includes being fixed on bottom on rail 132, and on pedestal 1 Power motor 151, the fixed master gear 152 being set on 151 output shaft of power motor on seat 1, the pair for being connected to idler wheel 13 Gear 153, master gear 152 are engaged in pinion 153.Location hole 131 is provided on idler wheel 13, is slided on pedestal 1 and is equipped with positioning Bar 14, and locating rod 14 is slidably pierced into location hole 131.

With reference to figure 1,2 upper side wall of main beam is provided with the upper guide groove 21 through main beam 2, and the length direction of upper guide groove 21 is put down Row is in the axis direction of main beam 2.Secondary 3 upper side wall of crossbeam is provided with the lower guide channel 31 through secondary crossbeam 3, and the length of lower guide channel 31 It is oriented parallel to the axis direction of secondary crossbeam 3.Staircase 12 is fixed on hack lever 11, handrail 121, and main horizontal stroke are installed on staircase 12 The periphery of beam 2 is also fixed with handrail 121.The cat ladder 22 for connecting main beam 2 and secondary crossbeam 3 is fixed on main beam 2.

With reference to figure 3 and Fig. 4, the displacement trolley 23 that can be moved along 21 length direction of upper guide groove, displacement are installed on main beam 2 Hoist engine 24 on trolley 23 is installed, conductor rope 4 is connected on hoist engine 24, and 4 other end of conductor rope is fixed on displacement trolley 23. 4 stage casing of conductor rope sequentially passes through downwards upper guide groove, lower guide channel and is linked with object component 8, hangs object component 8 and is located at secondary 3 lower section of crossbeam, It hangs object component 8 and includes connecting portion 81, the hook 82 positioned at 81 downside of connecting portion.Connecting portion 81 includes housing 811 and rotation connection Runner 812 on housing 811, conductor rope 4 bypass runner 812.Hook 82 is rotationally connected with housing 811, and housing 811 and hook 82 are synchronized with the movement in the vertical direction.The valve rod that the weight on hook 82 is prevented to be detached from hook 82 is rotatably connected on hook 82 83, the free end of valve rod 83, which is slided, is equipped with third Limit screw 84, and 84 one end of third Limit screw slides through hook 82 End, third Limit screw 84 are pierced by 82 threaded one ends of hook and are connected with third stop nut 85.

With reference to figure 3, secondary crossbeam 3 is equipped with movable plate 32, and the installation of the downside of movable plate 32 is there are four pulley 33, and 33, pulley It holding on secondary crossbeam 3,32 upper side wall of movable plate is fixed with connecting rod 25, and 25 upper end of connecting rod is fixed on displacement trolley 23, So as to make displacement trolley 23 and 32 synchronizing moving of movable plate.

With reference to figure 5 and Fig. 6, through-hole 321 is provided on movable plate 32, conductor rope 4 passes through through-hole 321.4 outer cover of conductor rope is equipped with anti- Component 6 is shaken, anti-shake component 6 includes 62, upper fixing sleeve 61, several connector sleeves connector sleeves 62, and upper fixing sleeve 61 connects Female connector 62, lower fixing sleeve 63 are coaxially set.Upper fixing sleeve 61 is slided in through-hole 321 and is set with 321 coaxial line of through-hole It puts, fixing sleeve 61 is equipped with retainer ring 322 on the upper end periphery wall of upper fixing sleeve 61, and retainer ring 322 is connected to 32 upside of movable plate Wall.Several connector sleeves 62 are arranged connection successively, and are in be slidably connected between two adjacent connector sleeves 62, outermost connection Set 62 is connected to 61 internal perisporium of fixing sleeve, and innermost connector sleeve 62 is connected to the periphery wall of lower fixing sleeve 63.Lower fixing sleeve Four groups of positioning components 7 are installed, positioning component 7 is connect with hook 82, and hangs object component 8 in the horizontal direction for limiting on 63 Shaking.

With reference to figure 5 and Fig. 6, driven tooth 324 is provided on 322 periphery wall of retainer ring, 32 upside of movable plate is equipped with driving group Part 5, drive component 5 for drive retainer ring 322 around 321 central axes of through-hole rotate, drive component 5 include driving motor 51 and Drive gear 52 on the output shaft of driving motor 51, drive gear 52 are engaged in driven tooth 324.Retainer ring 322 It is connected on movable plate 32 embedded with the first ball 323 and 323 downside of the first ball in lower wall, the first ball 323 is used to reduce Frictional force of the retainer ring 322 with movable plate 32 when relatively rotating.

With reference to figure 6, in upper 61 internal perisporium upper edge of fixing sleeve, fixing sleeve 61 is axial is provided with upper limit position groove 611, and upper limit position groove 611 do not penetrate the port of 61 lower end of fixing sleeve.Upper limit position block 622 is respectively and fixedly provided on the periphery wall of each 62 upper end of connector sleeve, And the upper limit position block 622 on outermost connector sleeve 62 is slided in upper limit position groove 611, the periphery of each 62 lower end of connector sleeve Abutment ring 623 is respectively and fixedly provided on wall.When hanging drive anti-shake 6 contraction upwards of component of object component 8, the abutting on each connector sleeve 62 Ring 623 is used at the lower port for being connected to the connector sleeve 62 in 62 outside of connector sleeve.Equal edge on the internal perisporium of each connector sleeve 62 Connector sleeve 62 is axial to offer lower limit slot 621, and lower limit slot 621 does not penetrate the port of 62 lower end of connector sleeve, connector sleeve 62 On upper limit position block 622 slide in the lower limit slot 621 of the connector sleeve 62 in 62 outside of the connector sleeve.Lower 63 upper end of fixing sleeve Periphery wall on be fixed with lower position block 631, lower position block 631 slides the lower limit slot 621 embedded in innermost connector sleeve 62 It is interior.

With reference to figure 4, positioning component 7 includes fixed link 71, and fixed ear is fixed on the periphery wall of lower 63 lower end of fixing sleeve 632,71 upper end of fixed link is slided and is worn embedded with the first Limit screw 72, and 72 one end of the first Limit screw slides through fixed ear 632, the first Limit screw 72 is pierced by 632 threaded one end of fixed ear and is connected with the first stop nut 73.On the peripheral wall of hook 82 Lower fixed ear 821 is fixed with, 71 lower end of fixed link, which is slided, wears embedded with the second Limit screw 75, and 75 one end of the second Limit screw is slided It moves across lower fixed ear 821, the second Limit screw 75 is pierced by lower 821 threaded one end of fixed ear and is connected with the second stop nut 74.

Specific implementation process：When needing a certain weight being carried to specific position, step 1：First weight is caught on hook 82 Object, and by 83 free end of valve rod abut to hook 82 ends, then with third Limit screw 84 will link up with 82 and valve rod 83 limit Together, so as to prevent weight abjection hook 82.Then four groups of positioning components 7 are installed to and hung on object component 8 and lower fixing sleeve 63.

Step 2：By hoist engine 24 by heavy lift to appropriate height, in this process, upper fixed ear 632 abuts At the lower end port of innermost connector sleeve 62, and hang object component 8 and entire anti-shake component 6 is driven to shrink upwards.

Step 3：Displacement trolley 23 is made to be moved on main beam 2, and whole device moves on guide rail 132, so as to weight Object is hung to precalculated position, and during this, since positioning component 7 is located in linking up with 82 on anti-shake component 6, anti-shake component 6 is again On movable plate 32, shaken caused by inertia in the horizontal direction so as to reduce the weight on hook 82.

Sometimes before weight is placed into precalculated position, need to adjust the angle of the weight on hook 82, enable weight It is more neat, specification to be put into precalculated position.Then operating procedure is：Before weight is put down, first start driving motor 51, make driving Component 5 drives retainer ring 322 to rotate, and so as to drive 82 rotation of anti-shake component 6 and hook, makes weight that the rotation of certain angle occur Turn.

Since the total force for hanging object component 8 and weight is to act on the stage casing of conductor rope 4, that is, object component 8 is hung just as one A movable pulley, then this partial action power be averagely allocated in the both ends of conductor rope 4 so that conductor rope 4 draw under housing 811 be not susceptible to Rotation.But positioning component 7 is connected on hook 82, and link up with 82 and be rotationally connected with housing 811, so anti-shake component 6 82 rotation of hook can be driven.

The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to Above-described embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to Go out, for those skilled in the art, several improvement under the premise of the utility model principle is not departed from and Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.

Claims

1. a kind of New overhead travelling crane, including two pedestals（1）And it is fixed on pedestal（1）On hack lever（11）, two framves Bar（11）Main beam is fixed between the top（2）, main beam（2）On be provided with through main beam（2）Upper guide groove（21）On and Guide groove（21）Length direction be parallel to main beam（2）Axis direction, main beam（2）On be equipped with can be along upper guide groove（21）It is long Spend the displacement trolley of direction movement（23）, displacement trolley（23）On hoist engine is installed（24）, hoist engine（24）On be connected with and lead Rope（4）, conductor rope（4）Lower end, which is connected with, hangs object component（8）；It is characterized in that：The main beam（2）Lower section is fixed with secondary crossbeam（3） And secondary crossbeam（3）It is parallel to main beam（2）Setting, secondary crossbeam（3）On be provided with through secondary crossbeam（3）Lower guide channel（31）It is led under and Slot（31）Length direction be parallel to secondary crossbeam（3）Axis direction；Secondary crossbeam（3）It is equipped with movable plate（32）, movable plate （32）Downside is equipped with several pulleys（33）And pulley（33）It is supported on secondary crossbeam（3）On, movable plate（32）Upper side wall is fixed There is connecting rod（25）And connecting rod（25）Upper end is fixed on displacement trolley（23）On, movable plate（32）On be provided with through-hole（321）, lead Rope（4）Across through-hole（321）；Conductor rope（4）It is arranged with anti-shake component outside（6）, anti-shake component（6）Including a upper fixing sleeve （61）, several connector sleeves（62）, a lower fixing sleeve（63）, upper fixing sleeve（61）Mounted on through-hole（321）Interior and and through-hole （321）It is coaxially set, several connector sleeves（62）It is arranged connection and two adjacent connector sleeves successively（62）Between in slide Connection, outermost connector sleeve（62）It is connected to fixing sleeve（61）Internal perisporium, innermost connector sleeve（62）It is connected to lower solid Fixed set（63）Periphery wall, lower fixing sleeve（63）On positioning component is installed（7）, positioning component（7）With hanging object component（8）Connection And it limits and hangs object component（8）Shaking in the horizontal direction；Work as conductor rope（4）It pulls and hangs object component（8）When moving upwards, object group is hung Part（8）Drive anti-shake component（6）It shrinks upwards.

2. a kind of New overhead travelling crane according to claim 1, it is characterized in that：The positioning component（7）Including fixation Bar（71）, lower fixing sleeve（63）Fixed ear is fixed on the periphery wall of lower end（632）, fixed link（71）It slides to wear and be embedded in upper end First Limit screw（72）And first Limit screw（72）One end slides through fixed ear（632）, the first Limit screw（72） It is pierced by fixed ear（632）Threaded one end is connected with the first stop nut（73）；Hang object component（8）Including with conductor rope（4）Connection Connecting portion（81）, rotation be connected to connecting portion（81）The hook of downside（82）, hook（82）Peripheral wall on be fixed with lower fixation Ear（821）, fixed link（71）It slides and wears embedded with the second Limit screw in lower end（75）And second Limit screw（75）It slides and wears in one end Cross down fixed ear（821）, the second Limit screw（75）It is pierced by lower fixed ear（821）Threaded one end is connected with the second stop nut （74）.

3. a kind of New overhead travelling crane according to claim 2, it is characterized in that：Fixed set（61）Slip is through Through-hole（321）Interior and upper fixing sleeve（61）Upper end periphery wall on fixing sleeve（61）Equipped with retainer ring（322）, retainer ring（322） It is connected to movable plate（32）Upper side wall, movable plate（32）Upside is equipped with to drive retainer ring（322）Around through-hole（321）Axis The drive component of line rotation（5）；Upper fixing sleeve（61）Fixing sleeve in internal perisporium upper edge（61）Axially it is provided with upper limit position groove（611）, And upper limit position groove（611）Do not penetrate fixing sleeve（61）The port of lower end；Each connector sleeve（62）It is solid on the periphery wall of upper end Surely there is upper limit position block（622）, and outermost connector sleeve（62）On upper limit position block（622）It slides embedded in upper limit position groove（611） It is interior, each connector sleeve（62）Abutment ring is respectively and fixedly provided on the periphery wall of lower end（623）；When extension object component（8）Drive anti-shake component （6）When shrinking upwards, each connector sleeve（62）On abutment ring（623）For being connected to the connector sleeve（62）The connector sleeve in outside （62）Lower port at；Each connector sleeve（62）Internal perisporium on along connector sleeve（62）Axially offer lower limit slot（621） And lower limit slot（621）Do not penetrate connector sleeve（62）The port of lower end, connector sleeve（62）On upper limit position block（622）Slip is embedded in The connector sleeve（62）The connector sleeve in outside（62）Lower limit slot（621）It is interior；Lower fixing sleeve（63）It is fixed on the periphery wall of upper end There is lower position block（631）, lower position block（631）It slides embedded in innermost connector sleeve（62）Lower limit slot（621）It is interior；Work as extension Object component（8）Drive anti-shake component（6）When shrinking upwards, upper fixed ear（632）For being connected to innermost connector sleeve（62） Lower end port at.

4. a kind of New overhead travelling crane according to claim 2, it is characterized in that：The positioning component（7）Equipped with multigroup And around lower fixing sleeve（63）Central axes spaced set.

5. a kind of New overhead travelling crane according to claim 3, it is characterized in that：The retainer ring（322）Lower wall Upper gap is embedded with the first ball（323）And first ball（323）Downside is connected to movable plate（32）On, the first ball（323）With In reduction retainer ring（322）With movable plate（32）Frictional force when relatively rotating.

6. a kind of New overhead travelling crane according to claim 1, it is characterized in that：The main beam（2）Upper fixation is useful In connection main beam（2）With secondary crossbeam（3）Cat ladder（22）.

7. a kind of New overhead travelling crane according to claim 2, it is characterized in that：The hook（82）On be rotatably connected to It prevents from linking up with（82）On weight be detached from hook（82）Valve rod（83）, and valve rod（83）Free end, which is slided, is equipped with third limiting Screw rod（84）, third Limit screw（84）One end slides through hook（82）End, third Limit screw（84）It is pierced by hook （82）Threaded one end is connected with third stop nut（85）.

8. a kind of New overhead travelling crane according to claim 1, it is characterized in that：The hack lever（11）On be fixed with staircase （12）, staircase（12）On handrail is installed（121）, and main beam（2）Periphery be fixed with handrail（121）.

9. a kind of New overhead travelling crane according to claim 1, it is characterized in that：The pedestal（1）Downside is equipped with rolling Wheel（13）, and pedestal（1）On be equipped with to drive idler wheel（13）The Power Component of rotation（15）.

10. a kind of New overhead travelling crane according to claim 9, it is characterized in that：The idler wheel（13）On be provided with positioning Hole（131）, pedestal（1）Upper slip is equipped with locating rod（14）And locating rod（14）Slidably pierce into location hole（131）It is interior.