A kind of bellows automatic lifting adjustment mechanism
Technical field
The present invention relates to a kind of bellows automatic lifting adjustment mechanism, belong to machinery manufacturing technology field.
Background technology
With the application and development of clean energy technology, Wind Power Generation Industry is in occupation of the highly important status of power industry.In advance
Stress wind power plant heavy industry brick or concrete duct widely using wavy metal cylinder, build stability and get a promotion, and engineering is carried out suitable by whole machine
Answering property is stronger.Applying in wind-powered electricity generation industry for wavy metal cylinder, possesses stronger industrial advantage, the supporting energy that lifting wind field is built
Power.In order to carry out the production of bellows at the scene, it is necessary to ripple cylinder device possesses the function of road transport, in the condition
Down, it is necessary to ripple cylinder device disclosure satisfy that collapsed transportable function.
Lifting folds the important component of adjustment mechanism integrated wavy metal cylinder device, directly affects portable ripple
Line cylinder device is transported.Integrated ripple cylinder device dump plaftorm debugging test link, the length for lifting part is up to 10 meters, parallel
It is 1.2 meters of lifting under quadrangular mechanism, advances 3 meters, lifting beam hangs in one after lifting moiety by weight reaches 5 tons, and lifting
Arm state, fulcrum stress is larger.Under the conditions of existing, lifting mechanism regulation inconvenience, and there is very big potential safety hazard, equipment
Adjustment difficulty is big, and common method is difficult to meet the adverse circumstances of lifting, the process directly affect ripple cylinder device fold with
Transport, influences the further development of bellows items of equipment.In the dump plaftorm lifting debugging of ripple cylinder device, one is not taken
Safely and effectively mechanism's regulation scheme, during in the event of serious accident, consequence is hardly imaginable.Therefore, a symbol is designed
The dump plaftorm lifting debugging mechanism for closing bellows is very necessary.
The content of the invention
The technical problem to be solved in the present invention is:Existing lifting mechanism regulation inconvenience, equipment adjustment difficulty is big, exists very
A kind of big potential safety hazard, to solve the above problems, there is provided bellows automatic lifting adjustment mechanism.
The purpose of the present invention is realized in the following manner:
A kind of bellows automatic lifting adjustment mechanism, including extensible canopy and the lifting beam being arranged on extensible canopy, extensible canopy and act
Rise between beam by two connecting rods I be arrangeding in parallel and the connection of connecting rod II, be also associated with hydraulic cylinder on connecting rod I, connecting rod II with it is flat
Row degree adjusting means is connected.
Parallelism adjusting device is arranged on lifting beam.
Parallelism adjusting device include be arranged on lifting beam on adjustable plate, regulation front edge of board be connected with journal stirrup, journal stirrup and
Connecting rod II is connected, and adjustable plate is adjustable with the relative position of journal stirrup.
The front end of adjustable plate is provided with regulation tooth I, and hangers is provided with corresponding regulation tooth II, hangs with the junction of adjustable plate
Ear is bolted with adjustable plate.
Hook is connected with extensible canopy.
Relative to prior art, the present invention is connected with parallelism adjusting device on connecting rod II, for adjust connecting rod II with
The depth of parallelism of connecting rod I, improves lifting motor adjustment stability and security, effectively solves large overhanging beam lifting and folds
Adjust one of difficult key technical problem.
Brief description of the drawings
Fig. 1 is lifting mechanism structural representation.
Fig. 2 is governor motion structural representation.
Fig. 3 is schematic diagram after lifting mechanism rises.
Wherein, 2 is hydraulic cylinder;3 is hook;4 is connecting rod I;5 is extensible canopy;6 is connecting rod II;7 is lifting beam;8 is branch
Ear;9 is bolt;10 is adjustable plate.
Specific embodiment
As shown in Figure 1-Figure 3, a kind of bellows automatic lifting adjustment mechanism, including extensible canopy 5 and it is arranged on extensible canopy
Lifting beam 7, connected by two connecting rods I 4 be arrangeding in parallel and connecting rod II 6 between extensible canopy 5 and lifting beam 7, on connecting rod I 4
Hydraulic cylinder 2 is also associated with, connecting rod II 6 is connected with parallelism adjusting device.Parallelism adjusting device is arranged on lifting beam.It is parallel
Degree adjusting means is used to finely tune the position of connecting rod II, it is ensured that the depth of parallelism of connecting rod II and connecting rod I, it is ensured that the levelness of lifting beam.
As shown in Fig. 2 parallelism adjusting device include be arranged on lifting beam 7 on adjustable plate 10, the front end of adjustable plate 10 with
Journal stirrup 8 is connected, and journal stirrup 8 is hinged with connecting rod II 6, and adjustable plate 10 is adjustable with the relative position of journal stirrup 8.
The front end of adjustable plate 10 is provided with regulation tooth I, and hangers 8 is provided with corresponding regulation tooth with the junction of adjustable plate 10
II, hangers is connected with adjustable plate by bolt 9.Using journal stirrup and adjustable plate structure, improve lifting motor adjustment stability with
Security, effectively solves one of large overhanging beam lifting key technical problem difficult with adjustment is folded.
Hook 3 is connected with extensible canopy.After the pull-up of connecting rod I 4, hook 3 hangs over the company of connecting rod I and lifting beam to hydraulic cylinder 2
On pin axle, the position for ensureing lifting beam.
As shown in figure 1, hydraulic cylinder 2 provides pressure for lifting is moved by lifting the tailstock pumping plant at the rear portion of beam 7 positioned at equipment
Pressure is provided, oil cylinder shrinks and pulls connecting rod I 4, and connecting rod I 4 and connecting rod II 6 constitute a parallel-crank mechanism, and the mechanism is in liquid
Pull-up lifting beam 7 is lifted in the presence of cylinder pressure 2, such as Fig. 3 after lifting.After lifting in place, hydraulic cylinder 2 is automatically withdrawn into stroke most
It is small, now connecting rod I 4 and the one end of connecting rod II 6 on extensible canopy 5, the other end support lifting beam 7, using hook 3 hang tightly be located at connecting rod
Bearing pin at I 4 fixes lifting beam position, that is, complete the lifting of whole equipment.After the completion of whole equipment lifting, extensible canopy 5 is promoted
Travel forward, after insertion equipment, complete the lifting of whole equipment and fold.
During the equipment is lifted, it is necessary to assure connecting rod I 4 and connecting rod II 6 are in a parallelogram like in Fig. 1
State, the otherwise connecting rod are trapezium structure, and beam front rake is lifted after causing lifting.It is journal stirrup 8 and the shape of adjustable plate 10 shown in Fig. 2
Into adjustment structure, journal stirrup is that daughter board and adjustable plate pass through 4 screws(11)It is fixed;Adjustable plate is motherboard, is welded with support beam
Together.Ripple cylinder device lifting experiment link, after journal stirrup is adjusted first and distance between plates is excessively adjusted for center, screw is consolidated
It is fixed firm, check whether double leval jib state is parallel in lifting process, and lifting beam is anterior with the presence or absence of the problem for declining;If gone out
It is existing, journal stirrup is adjusted with excessive adjustable plate spacing, the foundation of adjustment is:In Fig. 3, after the completion of lifting, lift beam 7 left side with
When theoretical size is relatively low, after can the tooth of depth of parallelism adjustable plate be adjusted downwards relative to journal stirrup, lifting beam is to rotate with double leval jib
After point is turned clockwise, left side raises, and right side reduces, until being adjusted to suitable position;Left side and reason when lifting beam 7
By size it is higher when, the tooth of depth of parallelism adjustable plate can be adjusted upward relative to journal stirrup, lifting beam with double leval jib for rotation click-through
After row turns clockwise, left side reduces, and right side raises, until being adjusted to suitable position.Company in adjustment and quadric chain
The distance of bar I 4, makes it meet parallel-crank mechanism.After being adjusted in place, by journal stirrup and transition plate firm welding, lifting regulation
Process is finished, and meets test requirements document.
Beneficial effects of the present invention are:
(1)Simple structure of the present invention, is easy to operation, improves the convenience and reliability of bellows equipment debugging, is follow-up work
The development of work is laid a good foundation;(2)The security with crease-flex test process in bellows lifting is improve, quick regulation satisfaction sets
Standby index, the road transport to ripple cylinder device lays the foundation;(3)Reduce experiment unnecessary during equipment is adjusted
Journey, reduces substantial amounts of work, more convenient to complete equipment operation.
Above-described is only the preferred embodiment of the present invention, it is noted that for a person skilled in the art,
Under the premise of general idea of the present invention is not departed from, some changes and improvements can also be made, these should also be considered as of the invention
Protection domain.