CN207002036U - A kind of single drum four-point lifting synchronization lifting mechanism and the crane including the mechanism - Google Patents
A kind of single drum four-point lifting synchronization lifting mechanism and the crane including the mechanism Download PDFInfo
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- CN207002036U CN207002036U CN201720825398.1U CN201720825398U CN207002036U CN 207002036 U CN207002036 U CN 207002036U CN 201720825398 U CN201720825398 U CN 201720825398U CN 207002036 U CN207002036 U CN 207002036U
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Abstract
The utility model discloses a kind of single drum four-point lifting synchronization lifting mechanism and the crane including the mechanism, including：Mobile device, bridge motor, gear reduction box, reel, steel wire rope and suspender, bridge motor and gear reduction box installation are on the mobile device, bridge motor connects with gear reduction box, elevating mechanism also includes adjustment mechanism, adjustment mechanism is connected with reel by steel wire rope, adjustment mechanism is arranged on the upper surface of suspender, and the position that adjustment mechanism is connected with steel wire rope forms suspension centre, and the upper surface of suspender is provided with four suspension centres；The quantity of reel is one, some groovings is provided with reel, the quantity of steel wire rope is identical with the quantity of grooving.During using single drum to furl four steel wire ropes, four suspension centres can reach it is anti-wave, the effect of anti-deflection so that transports goods is more steady.By changing rope-winding method and reasonable arrangement hoisting point position so that each suspension centre is synchronized with the movement, and increases the positioning precision of suspender.
Description
Technical field
The utility model is related to jacking equipment field, and in particular to a kind of single drum four-point lifting synchronization lifting mechanism and including
The crane of the mechanism.
Background technology
Existing crane elevating mechanism, a steel wire rope is typically furled using a reel and transported up and down to draw suspender
The general cargo that dynamic method, this simple structure and elevating method are widely used in major factory is carried.Some are special
Different occasion, for the consideration to smoothness and security, it can be realized using the form of a plurality of steel wire rope of multiple reels retracting
Multiple suspension centres draw suspender.Multiple suspension centres can make it that crane elevating mechanism goods when transporting goods is more steady,
With certain anti-swing function.In the case of it can reach multiple suspension centre synchronization liftings, then it can be used for being accurately positioned for suspender
Crawl and carrying.
Existing frequently-used crane, the form of a steel wire rope is drawn using a reel, and this form limitation is used
In artificial fixed goods, carrying situation it is less demanding, without high positioning requirements or the production status being positioned manually.Because it is single
Suspension centre draws goods, thus certainly exist steel wire rope during carrying wave or rotate, goods and suspender center of gravity inclined situation.
This structure be not used to it is anti-wave, the production status that smoothness and automation require.Two or more reel retractings are a plurality of
Steel wire rope, multiple suspension centres can be so formed, the anti-effect waved with anti-deflection when helping to carry.This form can pass through
Change the structure of elevating mechanism and the canoe of steel wire rope, accomplish that multiple suspension centres are synchronous.But when the synchronism of its requirement is very high
When, must be higher to the processing request of these reels, including its appearance and size and the size of grooving, it is necessary to it is identical.But
In addition to processing difficulties, when reel longevity of service, when there is fatigue deformation, the deformation of each reel is different, thus
Synchronization accuracy can be severely impacted.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide a kind of single drum four-point lifting synchronous elevator
Structure and the crane including the mechanism, during using single drum to furl four steel wire ropes, four suspension centres can reach anti-and wave, be anti-bias
The effect turned so that transports goods is more steady.By changing rope-winding method and reasonable arrangement hoisting point position so that each suspension centre is same
Step motion, increase the positioning precision of suspender.
To realize above-mentioned purpose of utility model, the technical scheme that the utility model is taken is as follows：
A kind of single drum four-point lifting synchronization lifting mechanism, including：Mobile device, bridge motor, gear reduction box, reel,
Steel wire rope and suspender, the bridge motor and gear reduction box are arranged in the mobile device, the bridge motor and described
Gear reduction box connects, and the elevating mechanism also includes adjustment mechanism, and the adjustment mechanism and the reel pass through the steel wire
Rope connection, the adjustment mechanism are arranged on the upper surface of the suspender, the position that the adjustment mechanism is connected with the steel wire rope
Suspension centre is formed, the upper surface of the suspender is provided with four suspension centres；
The quantity of the reel is one, is provided with some groovings on the reel, the quantity of the steel wire rope with it is described
The quantity of grooving is identical.
Preferably, the quantity of the grooving is four, and uniform intervals are arranged at the reel to four groovings successively
Surface, the grooving include the first grooving, the second grooving, the 3rd grooving and the 4th successively from one end of the reel to the other end
Grooving, first grooving and second grooving are arranged on the side of the reel, and the 3rd grooving and the 4th grooving are set
Put the opposite side in the reel.
Preferably, the suspension centre is distributed in the upper surface of the suspender in a manner of isosceles trapezoid, the isosceles trapezoid
The center superposition at center and the upper surface of the suspender, the reel axis are parallel with two bases of the isosceles trapezoid.
Preferably, the suspension centre includes the first suspension centre, the second suspension centre, the 3rd suspension centre and four-point lifting, first suspension centre
A hypotenuse of the isosceles trapezoid is formed with second suspension centre, the 3rd suspension centre and the four-point lifting form described etc.
Another trapezoidal hypotenuse of waist, second suspension centre and the 3rd suspension centre form the short short base of the isosceles trapezoid, described
First suspension centre and the four-point lifting form the long base of the isosceles trapezoid.
Preferably, the quantity of the steel wire rope is four, is respectively wound around on four groovings, the one of the steel wire rope
End is fixed on the grooving, and the other end of the steel wire rope is fixed on the suspension centre, first grooving and described second
Suspension centre is connected by the steel wire rope, and second grooving is connected with first suspension centre by the steel wire rope, and the described 3rd
Grooving is connected with the four-point lifting by the steel wire rope, and the 4th grooving passes through the steel wire rope with the 3rd suspension centre
Connection.
Preferably, fixing point of the steel wire rope on first grooving and the 4th grooving is close to the reel
Both ends, fixing point of the steel wire rope on second grooving and the 3rd grooving close to the center of the reel,
The steel wire rope is relative with the winding direction on second grooving in first grooving and rotation direction is identical, and the steel wire rope exists
3rd grooving is relative with the winding direction on the 4th grooving and rotation direction is identical.
Preferably, the adjustment mechanism includes fixed seat and bolt, and the bolt screws in the fixed seat, by adjusting
Bolt position and the number of turns screwed in are stated to change the active length of the steel wire rope.
Preferably, fixing end is provided with the top of the bolt to be used to be fixedly connected with the steel wire rope, the bolt is along institute
The vertical direction for stating fixed seat screws in the fixed seat, changes the steel by adjusting the bolt position and the number of turns screwed in
Length of the cord between the suspension centre and the reel.
Preferably, the bolt is provided with fixing hole for the steel wire rope that is connected close to the position at top, described
Horizontal direction of the bolt along the fixed seat screws in the fixed seat, is changed by adjusting the bolt position and the number of turns screwed in
Become the number of turns of bolt described in the wirerope-winding.
The invention also discloses a kind of crane, including above-mentioned single drum four-point lifting synchronization lifting mechanism.
Relative to prior art, the utility model achieves beneficial technique effect：
Single drum four-point lifting synchronization lifting mechanism of the present utility model is simple in construction, easy to operate, using single reel, together
When control four steel wire ropes, every wirerope-winding on corresponding grooving, by rationally design the grooving position on reel and
The position of suspension centre on suspender, the position of four groovings is mutually symmetrical with, and four suspension centres are distributed in isosceles trapezoid, the first grooving and second
Suspension centre is connected by steel wire rope, and the second grooving is connected with the first suspension centre by steel wire rope, and the 3rd grooving and four-point lifting pass through steel
Cord is connected, and the 4th grooving is connected with the 3rd suspension centre by steel wire rope；Simultaneously because steel wire rope is in the first grooving and the second grooving
On winding direction it is relative and rotation direction is identical, steel wire rope the 3rd grooving with the winding direction on the 4th grooving relative and rotation direction phase
Together so that when reel works, steel wire rope is wound with same speed, in same time, along the side of reel from the first grooving and
What the steel wire rope laid out on the second grooving was mutually symmetrical with, while the rope capacity variable quantity under suspension status is identical so that rising
When descending mechanism lifts, four steel wire ropes are all identical in the speed and component of acceleration of vertical direction, so as to which four suspension centres reach same
Walk the effect of lifting.
And the form of four suspension centres can make between elevating mechanism and suspender there is necessarily anti-to wave and prevent on suspender
Deflection capacity effect.Adjustment mechanism can also make the effect of fine setting to suspension centre, by adjusting adjustment mechanism, make as far as possible where four
Plane there is preferable levelness, be advantageous to degree of precision requirement crane transport goods.Single drum can all allow steel wire
The retracting speed of rope is almost equal, and the mismachining tolerance of same reel, operating error all can be relatively small.
Brief description of the drawings
Fig. 1 is the structure chart of single drum four-point lifting synchronization lifting mechanism disclosed in the utility model；
Fig. 2 is the top view of single drum four-point lifting synchronization lifting mechanism disclosed in the utility model；
Fig. 3 is the left view of single drum four-point lifting synchronization lifting mechanism disclosed in the utility model；
Fig. 4 is the knot that structure is adjusted in single drum four-point lifting synchronization lifting mechanism disclosed in the utility model first embodiment
Composition；
Fig. 5 is the knot that structure is adjusted in single drum four-point lifting synchronization lifting mechanism disclosed in the utility model second embodiment
Composition；
Fig. 6 is the front view that single drum four-point lifting synchronization lifting mechanism suspender disclosed in the utility model is located at minimum point；
Fig. 7 is the top view that single drum four-point lifting synchronization lifting mechanism suspender disclosed in the utility model is located at minimum point；
Fig. 8 is the left view that single drum four-point lifting synchronization lifting mechanism suspender disclosed in the utility model is located at minimum point；
Fig. 9 is the front view that single drum four-point lifting synchronization lifting mechanism suspender disclosed in the utility model is located at peak；
Figure 10 is the front view that single drum four-point lifting synchronization lifting mechanism suspender disclosed in the utility model is located at peak；
Figure 11 is the front view that single drum four-point lifting synchronization lifting mechanism suspender disclosed in the utility model is located at peak.
Reference
1. the grooving 43 of 2. bridge motor of mobile device, 3. gear reduction box, 4. reel, 41 first grooving 42 second
The bolt of three 45 first axles of the 4th grooving of grooving 44,46 5. steel wire rope of the 3rd axis of second axis 47,6. adjustment mechanism 61
The four-point lifting of 611 fixing end, 62 fixed seat, 7. suspender, 71. first 72. second the 3rd suspension centre of suspension centre 73. of suspension centre 74.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, with reference to embodiments to this
Utility model is further elaborated, but the scope of the requires of the utility model protection is not limited to following specific implementations
Example.
Embodiment one
As Figure 1-3, a kind of single drum four-point lifting synchronization lifting mechanism, including：Mobile device, bridge motor 2, gear
Reduction box 3, reel 4, steel wire rope 5 and suspender 7, bridge motor 2 and gear reduction box 3 are installed on the mobile device 1, lifting electricity
Machine 2 and gear reduction box 3 connect.Bridge motor 2 is one high-power, the big variable-frequency motor of output torque, and the size of power is
It is related to the weight of the goods of required carrying；It is the hoisting-driving device of whole elevating mechanism, gear reduction box 3 is by multiple sets of teeth
Wheel and cabinet shell composition, for changing output speed and output torque.Suspender 7 is the mechanism for goods clamping.
As shown in Fig. 2 the single drum four-point lifting synchronization lifting mechanism of the present embodiment also includes adjustment mechanism 6, adjustment mechanism 6
Connected with reel 4 by steel wire rope 5, adjustment mechanism 6 is arranged on the upper surface of suspender 7, and adjustment mechanism 6 is connected with steel wire rope 5
Position forms suspension centre, and the upper surface of suspender 7 is provided with four suspension centres.Suspension centre is distributed in the upper of suspender 7 in a manner of isosceles trapezoid
Two bases of end face, the center superposition at the center of isosceles trapezoid and the upper surface of suspender 7, the axis of reel 4 and isosceles trapezoid
It is parallel.Suspension centre includes the first suspension centre 71, the second suspension centre 72, the 3rd suspension centre 73 and four-point lifting 74, and the first suspension centre 71 and second is hung
Point 72 forms a hypotenuse of isosceles trapezoid, and the 3rd suspension centre 73 and four-point lifting 74 form another article of hypotenuse of isosceles trapezoid, the
Two suspension centres 72 and the 3rd suspension centre 73 form the short short base of isosceles trapezoid, and the first suspension centre 71 and four-point lifting 74 form isosceles trapezoid
Long base.
The quantity of reel 4 of the present utility model is one, and some groovings, the quantity and grooving of steel wire rope 5 are provided with reel 4
Quantity it is identical.The present embodiment is preferable, and the quantity of grooving is four, and the specification of this four groovings is identical, and four groovings are successively
Uniform intervals are arranged at the surface of reel 4, and grooving includes the first grooving 41, second from one end of reel 4 to the other end and restricted successively
Groove 42, the second grooving 43 and the 4th grooving 44, the first grooving 41 and the second grooving 42 are arranged on the side of reel 4, the second grooving
43 and the 4th grooving 44 be arranged on the opposite side of reel 4, reel 4 is divided into left side and right half by the first axle 45 of reel 4
Portion, left side are divided into two parts by second axis 46, and right side is divided into two parts, the first grooving 41 by the 3rd axis 47
Symmetrical on first axle 45 with the 4th grooving 44, the second grooving 42 and the second grooving 43 are symmetrical on first axle 45, and first
The grooving 42 of grooving 41 and second is symmetrical on second axis 46, and the second grooving 43 and the 4th grooving 44 are right on the 3rd axis 47
Claim.
The quantity of steel wire rope 5 is four, is respectively wound around on four groovings, one end of steel wire rope 5 is fixed on grooving, steel
The other end of cord 5 is fixed on suspension centre.Fixing point of the steel wire rope 5 on the first grooving 41 and the 4th grooving 44 is close to reel 4
Both ends, fixing point of the steel wire rope 5 on the second grooving 42 and the second grooving 43 is close to the center of reel 4, the first grooving
41 are connected with the second suspension centre 72 by steel wire rope 5, and the second grooving 42 is connected with the first suspension centre 71 by steel wire rope 5, the second grooving
43 are connected with four-point lifting 74 by steel wire rope 5, and the 4th grooving 44 is connected with the 3rd suspension centre 73 by steel wire rope 5.Steel wire rope 5 exists
First grooving 41 is relative with the winding direction on the second grooving 42 and rotation direction is identical, and steel wire rope is in the second grooving 43 and the 4th grooving
Winding direction on 44 is relative and rotation direction is identical.
As shown in figure 3, when reel 4 works, steel wire rope is wound with same speed, in same time, along the side of reel 4
What the steel wire rope laid out from the first grooving 41 and the second grooving 42 was mutually symmetrical with, while the steel wire rope 5 under suspension status is grown
Degree variable quantity is identical, and so that when elevating mechanism lifts, four steel wire ropes 5 are all identical in the speed and component of acceleration of vertical direction,
So as to which four suspension centres reach the effect of synchronization lifting.
As shown in figure 4, adjustment mechanism 6 includes fixed seat 62 and bolt 61, bolt 61 screws in fixed seat 62, by adjusting spiral shell
The position of bolt 61 and the number of turns screwed in change the active length of steel wire rope 5.The top of the present embodiment bolt 61 is provided with fixing end
611 are used to be fixedly connected with steel wire rope 5, and fixing end 611 is an annular element, and steel wire rope 5 can be fixed on annular element, spiral shell
Vertical direction of the bolt 61 along fixed seat 62 screws in fixed seat 62.Steel wire is changed by the position of adjustment bolt 61 and the number of turns screwed in
5 length between the suspension centre and reel 4 of rope.By the position of adjustment bolt 61 and the number of turns is screwed in adjust suspender 7 and steel wire
The link position of rope 5, so as to adjust the levelness of each suspension centre place plane.
As shown in figs. 4 through 10, in Fig. 4-6 it is state diagram of the suspender 7 in minimum point, Fig. 7-10 is shape of the suspender 7 in peak
State figure.The embodiment of the utility model single drum four-point lifting synchronization lifting mechanism is：
1) bridge motors 2 are started working, after the deceleration of gear reduction box 3, in power transmission to reel 4；
2) reels 4 start to rotate, and are wrapped four steel wire ropes 5 while realize coiling, the speed that four steel wire ropes 5 furl
It is identical；
3) gradually rises to peak with the coiling of steel wire rope 5, suspender 7 from minimum point, when reel 4 reversely rotates,
Suspender 7 gradually decreases to minimum point from peak；And four suspension centre lifting speeds on suspender 7 are identical, therefore four suspension centres
Synchronization lifting；
4) when is if desired for regulation 7 levelness of suspender, it can adjust adjustment mechanism 6.
Embodiment two
As shown in figure 5, the embodiment only describes the difference with above-described embodiment 1, remaining technical characteristic and above-mentioned reality
It is identical to apply example.Position of the bolt 61 at the top of it in the present embodiment in adjustment mechanism 6 is provided with fixing hole, for connecting simultaneously
Fixed steel wire rope 5, horizontal direction of the bolt 61 along fixed seat 62 screw in fixed seat 62, when screwing the bolt 61, steel wire rope 5
It can be wound on bolt 61, the number of turns that steel wire rope 5 winds bolt 61 is changed by the position of adjustment bolt 61 and the number of turns screwed in.
Single drum four-point lifting synchronization lifting mechanism of the present utility model is simple in construction, easy to operate, using single reel 4,
Four steel wire ropes 5 are controlled simultaneously, and every steel wire rope 5 is wrapped on corresponding grooving, by rationally designing the grooving position on reel 4
The position with suspension centre on suspender 7 is put, the position of four groovings is mutually symmetrical with, and four suspension centres are distributed in isosceles trapezoid, realize four
Suspension centre reaches the effect of synchronization lifting.And the form of four suspension centres can make to have between elevating mechanism and suspender 7 on suspender 7
Necessarily anti-waves and anti-deflection ability effect.Adjustment mechanism 6 can also make the effect of fine setting to suspension centre, by adjusting adjustment machine
Structure 6, the plane where making four as far as possible have preferable levelness, and the crane for being advantageous to degree of precision requirement carries goods
Thing.Single drum 4 can all allow the retracting speed of steel wire rope 5 almost equal, and the mismachining tolerance of same reel 4, operating error are all
Can be relatively small.
The invention also discloses a kind of crane, including above-mentioned single drum four-point lifting synchronization lifting mechanism.
The announcement and teaching of book according to the above description, the utility model those skilled in the art can also be to above-mentioned realities
The mode of applying is changed and changed.Therefore, the utility model is not limited to embodiment disclosed and described above, right
Some modifications and changes of utility model should also be as falling into scope of the claims of the present utility model.In addition, although
Some specific terms are used in this specification, but these terms are merely for convenience of description, utility model do not formed
Any restrictions.
Claims (10)
1. a kind of single drum four-point lifting synchronization lifting mechanism, including：Mobile device, bridge motor, gear reduction box, reel, steel
Cord and suspender, the bridge motor and gear reduction box are arranged in the mobile device, the bridge motor and the tooth
Take turns reduction box connection, it is characterised in that the elevating mechanism also includes adjustment mechanism, and the adjustment mechanism and the reel pass through
The steel wire rope connection, the adjustment mechanism are arranged on the upper surface of the suspender, and the adjustment mechanism connects with the steel wire rope
The position connect forms suspension centre, and the upper surface of the suspender is provided with four suspension centres；
The quantity of the reel is one, and some groovings, the quantity of the steel wire rope and the grooving are provided with the reel
Quantity it is identical.
2. single drum four-point lifting synchronization lifting mechanism according to claim 1, it is characterised in that the quantity of the grooving is
Four, uniform intervals are arranged at the surface of the reel to four groovings successively, the grooving from one end of the reel to
The other end includes the first grooving, the second grooving, the 3rd grooving and the 4th grooving, first grooving and second grooving successively
The side of the reel is arranged on, the 3rd grooving and the 4th grooving are arranged on the opposite side of the reel.
3. single drum four-point lifting synchronization lifting mechanism according to claim 2, it is characterised in that the suspension centre is in isosceles ladder
The mode of shape is distributed in the upper surface of the suspender, the center weight at the center of the isosceles trapezoid and the upper surface of the suspender
Close, the reel axis is parallel with two bases of the isosceles trapezoid.
4. single drum four-point lifting synchronization lifting mechanism according to claim 3, it is characterised in that the suspension centre includes first
Suspension centre, the second suspension centre, the 3rd suspension centre and four-point lifting, first suspension centre and second suspension centre form the isosceles trapezoid
One hypotenuse, the 3rd suspension centre and the four-point lifting form another article of hypotenuse of the isosceles trapezoid, second suspension centre
The short short base of the isosceles trapezoid is formed with the 3rd suspension centre, first suspension centre and the four-point lifting form described etc.
The trapezoidal long base of waist.
5. single drum four-point lifting synchronization lifting mechanism according to claim 4, it is characterised in that the quantity of the steel wire rope
For four, it is respectively wound around on four groovings, one end of the steel wire rope is fixed on the grooving, the steel wire rope
The other end is fixed on the suspension centre, and first grooving is connected with second suspension centre by the steel wire rope, and described second
Grooving is connected with first suspension centre by the steel wire rope, and the 3rd grooving passes through the steel wire rope with the four-point lifting
Connection, the 4th grooving are connected with the 3rd suspension centre by the steel wire rope.
6. single drum four-point lifting synchronization lifting mechanism according to claim 5, it is characterised in that the steel wire rope is described
Fixing point on first grooving and the 4th grooving close to the both ends of the reel, the steel wire rope in second grooving and
Fixing point on 3rd grooving is close to the center of the reel, and the steel wire rope is in first grooving and described the
Winding direction on two groovings is relative and rotation direction is identical, and the steel wire rope is in the 3rd grooving and twining on the 4th grooving
Around direction, relative and rotation direction is identical.
7. single drum four-point lifting synchronization lifting mechanism according to claim 1, it is characterised in that the adjustment mechanism includes
Fixed seat and bolt, the bolt screw in the fixed seat, by adjusting the bolt position and the number of turns screwed in change
State the active length of steel wire rope.
8. single drum four-point lifting synchronization lifting mechanism according to claim 7, it is characterised in that set at the top of the bolt
It is equipped with fixing end to be used to be fixedly connected with the steel wire rope, vertical direction of the bolt along the fixed seat screws in the fixation
Seat, changes the steel wire rope between the suspension centre and the reel by adjusting the number of turns of the bolt position and screw-in
Length.
9. single drum four-point lifting synchronization lifting mechanism according to claim 7, it is characterised in that the bolt is close to top
Position be provided with fixing hole and be used to be connected the steel wire rope, horizontal direction of the bolt along the fixed seat screws in institute
Fixed seat is stated, changes the number of turns of bolt described in the wirerope-winding by adjusting the bolt position and the number of turns screwed in.
10. a kind of crane, it is characterised in that including the four-point lifting synchronization lifting mechanism described in claim any one of 1-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720825398.1U CN207002036U (en) | 2017-07-07 | 2017-07-07 | A kind of single drum four-point lifting synchronization lifting mechanism and the crane including the mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720825398.1U CN207002036U (en) | 2017-07-07 | 2017-07-07 | A kind of single drum four-point lifting synchronization lifting mechanism and the crane including the mechanism |
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| CN207002036U true CN207002036U (en) | 2018-02-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006560A (en) * | 2021-03-15 | 2021-06-22 | 深圳精智机器有限公司 | Stereo garage alternately hoists hoisting device |
| CN113526376A (en) * | 2021-08-27 | 2021-10-22 | 中铁十五局集团有限公司 | Municipal steel structure bridge hoisting device and method |
| CN117466146A (en) * | 2023-12-15 | 2024-01-30 | 河南力富特起重运输机械有限公司 | Lifting stabilizing mechanism and stabilizing method of European crane |
-
2017
- 2017-07-07 CN CN201720825398.1U patent/CN207002036U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006560A (en) * | 2021-03-15 | 2021-06-22 | 深圳精智机器有限公司 | Stereo garage alternately hoists hoisting device |
| CN113526376A (en) * | 2021-08-27 | 2021-10-22 | 中铁十五局集团有限公司 | Municipal steel structure bridge hoisting device and method |
| CN117466146A (en) * | 2023-12-15 | 2024-01-30 | 河南力富特起重运输机械有限公司 | Lifting stabilizing mechanism and stabilizing method of European crane |
| CN117466146B (en) * | 2023-12-15 | 2024-03-22 | 河南力富特起重运输机械有限公司 | Lifting stabilizing mechanism and stabilizing method of European crane |
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