The foam box equipment that a kind of overhead screw mandrel drives
The present invention relates to foam box equipment, particularly to the jacking equipment of foam box in foam box equipment.
In traditional foam box equipment, foam box (foaming platform) generally passes through hydraulic mechanism as moving that foam box lifts
Force system, the foam box equipment as disclosed in patent documentation CN104227907A have employed hydraulicefficiency elevation structure.Also there is employing
Screw mandrel silk braid have employed screw mandrel silk braid, screw mandrel as type of drive, the foam box equipment as disclosed in CN204749097U
Connect motor, then driven screw mandrel to rotate by motor, drive foaming box body to lift by the screw-threaded engagement effect of screw mandrel silk braid.This
Planting under screw mandrel silk braid up-down mode, screw mandrel is erect on the ground, and motor is the most on the ground.This mode also exists some drawbacks,
Such as motor needs the mechanisms such as the drive link connected with motor, steering gear to take ground space, also produces ground operating personnel
Safety issue.Ground Operation personnel easily encounter the motor in work, drive link, thus cause the injury to personnel.Additionally
Under this mode, the oil filling of screw mandrel is not very convenient, it usually needs be periodically lubricating oil on screw mandrel.
Summary of the invention
Problem to be solved by this invention: during the lifting of prior art screw mandrel silk braid drive case, the mechanism such as motor takies ground
Space of planes, and produce safety problem, screw mandrel lubrication inconvenience simultaneously.
For solving the problems referred to above, the scheme that the present invention uses is as follows:
The foam box equipment that a kind of overhead screw mandrel drives, including frame, tank tower, screw mandrel and motor；Described frame includes erecting
The column directly set up and the roof platform being located at column top；Motor is arranged in roof platform；Screw mandrel has four, by screw mandrel bearing suspension
In roof platform, and it is connected with motor by the drive mechanism installed in roof platform；The corner of tank tower is provided with four cavity posts；Cavity post
It is provided with the silk braid being connected with screw mandrel so that motor is by driving the rotation of screw mandrel, then is made by the screw-threaded engagement of screw mandrel and silk braid
With, tank tower is lifted；It is provided with cavity inside cavity post；Screw mandrel penetrates in cavity.
Further, the lower section of cavity post is provided with grease-box；Cavity in cavity post is connected with grease-box；Cavity
Post is provided with oil filler point；Oil filler point connects grease-box by cavity so that lubricating oil can inject lubricating oil by oil filler point
Further, grease-box storage has lubricating oil, and when tank tower rises, can submerge in grease-box in the lower end of screw mandrel
In the lubricating oil of storage.
Further, lifting guide mechanism is also included；Described lifting guide mechanism is made up of four lateral lifting position-limit mechanisms；
Four lateral lifting position-limit mechanisms are respectively mounted between the column of corner and cavity post；Described lateral lifting position-limit mechanism includes erecting
Directly it is built in the gib block inside column and is arranged on the U-shaped fixture block outside cavity post；U-shaped fixture block is by middle recess draw-in groove
It is stuck on gib block.
Further, described drive mechanism includes drive and the belt that screw mandrel top connects；Drive is positioned at screw mandrel bearing
Top, and connect motor by belt.
The technique effect of the present invention is as follows:
The drive mechanisms such as 1, screw mandrel uses suspension type, motor are positioned at frame top, decrease taking of ground space, and improve
Security performance, Ground Operation personnel can not encounter the motor in work and drive mechanism.
2, store lubricating oil by grease-box, then between being moved up and down by casing, screw mandrel is relative to grease-box
Relative motion so that casing elevating screw each time all can be immersed in lubricating oil and realize automatically oiling.It is pointed out that this
The mode screw mandrel of grease-box can only use suspension type, that is, the top of the screw mandrel vertically set up is arranged on screw mandrel bearing, and silk
The lower end of bar is unsettled, forms suspended structure, could arrange grease-box in the lower section that screw mandrel is corresponding.During casing lifting, screw mandrel is high
Degree remains unchanged, and but can lift with grease-box, so that the lower end of screw mandrel is immersed in lubricating oil.
3, easily there is the most firm fixing problem in suspension type screw mandrel, the most easily occurs swinging, and the present invention passes through
Lifting guide mechanism avoids the problem that suspension type screw mandrel swings.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention.
Fig. 2 is the structural representation of motor drive connection screw portion.
Fig. 3 is the structural representation within grease-box.
Fig. 4 is the structural representation of lifting guide mechanism lateral cross section.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further details.
As it is shown in figure 1, the foam box equipment that a kind of overhead screw mandrel drives, including frame, tank tower 2, screw mandrel 31 and electricity
Machine 4.Frame includes the column 11 vertically set up and the roof platform 12 being located at column 11 top.Column 11 has four layouts that are square,
Column 11 is positioned at square corner.Tank tower 2 is used for installing foam box, or inherently foam box.The corner of tank tower 2 is provided with four
Root cavity post 22.Screw mandrel 31 has four, is suspended in roof platform 12 by screw mandrel bearing 32.The lower end of screw mandrel 31 is unsettled, is formed certainly
By holding.The position of four screw mandrels 31 and four cavity post 22 one_to_one corresponding.Cavity post 22 is provided with the silk braid engaged with screw mandrel 31
25.The drive mechanism that screw mandrel 31 passes through and pass through to install in roof platform 12 is connected with motor 4.Motor 4 is arranged in roof platform 12.By
This, motor 4 is by driving the rotation of screw mandrel 31, then by screw mandrel 31 and the screw-threaded engagement effect of silk braid 25, rises tank tower 2
Fall.In the present embodiment, drive mechanism is as in figure 2 it is shown, be made up of drive 33, belt 41, driven pulley 42.Drive 33 has four
Individual, it is positioned at the top of screw mandrel bearing 32, is connected with four screw mandrels 31 respectively,.Belt 41 is wound on four drives 33, driven pulley 42
With on the drivewheel of motor 4.Thus motor 4 can drive four drives 33 to rotate by belt 41, and then drives screw mandrel 31
Rotate.The lower section of cavity post 22 is provided with grease-box 23, as it is shown on figure 3, cavity post 22 is internal is provided with cavity 29.Screw mandrel 31 penetrates
In cavity 29.Cavity 29 in cavity post 22 is connected with grease-box 23.Specifically, grease-box is the circle of sealed bottom
Cylinder mechanism, inside has the oil pocket of cylinder, cylindrical oil pocket and cavity 29 to have identical central shaft.In cavity post 22
Portion is provided with oil filler point 24.Oil filler point 24 connects grease-box 23 by cavity 29 so that lubricating oil can pass through oil filler point 24 note
Enter in grease-box 23.Grease-box 23 storage has lubricating oil.When tank tower 2 rises, screw mandrel 31 is then relative to cavity post 22 times
Fall, after screw mandrel 31 declines relative to cavity post 22, the lower end of screw mandrel 31 can be immersed in the lubricating oil of grease-box 23.Or also
It can be said that when tank tower 2 rises, drive grease-box 23 to rise, and the height of screw mandrel 31 keeps constant, so that screw mandrel 31
Lower end can be immersed in the lubricating oil of grease-box 23.Along with screw mandrel 31 is immersed in lubricating oil, the lubrication in grease-box 23
Oil cavity 29 overflow in cavity post 22 so that it is can the more screw mandrel of submergence 31.Generally under situation, lubricating oil exists only in profit
In oil tank 23, be only immersed in lubricating oil when screw mandrel 31, lubricating oil just can upwards spill-over at cavity 29.
It addition, in the present embodiment, screw mandrel 31 is suspended in roof platform 12 by screw mandrel bearing 32, and thus screw mandrel 31 easily swings
Causing the abrasion of screw mandrel bearing 32, to this end, the present embodiment is also provided with lifting guide mechanism, lifting guide mechanism, such as Fig. 1, Fig. 4
Shown in, it is made up of four lateral lifting position-limit mechanisms.Four lateral lifting position-limit mechanisms are respectively mounted column 11 and the sky of corner
Between chamber post 22.Lateral lifting position-limit mechanism includes gib block 51 and U-shaped fixture block 52.Gib block 51 is vertically built in column 11
Inner side.U-shaped fixture block 52 is arranged on the outside of cavity post 22.U-shaped fixture block 52 is stuck on gib block 51 by middle recess draw-in groove,
Make the U-shaped fixture block 52 can be along gib block 51 oscilaltion.Lifting guide mechanism can limit the swing of tank tower 2, thus limits
The swing of screw mandrel 31.
In addition it is also necessary to explanation, under normal circumstances, oil filler point 24 is by plug seal, when only there is a need to oiling,
Open.It also should be noted that, in the present embodiment, drive mechanism is made up of drive 33, belt 41, driven pulley 42, aobvious
And easy insight, drive 33, driven pulley 42 be belt pulley, between be connected by belt 41.It will be appreciated by those skilled in the art that skin
Band 41 can also replace to chain, and thus, drive 33 and driven pulley 42 correspondingly replace with sprocket.