CN108750991A - Positioning device is lifted in a kind of dismounting of flange - Google Patents
Positioning device is lifted in a kind of dismounting of flange Download PDFInfo
- Publication number
- CN108750991A CN108750991A CN201810556094.9A CN201810556094A CN108750991A CN 108750991 A CN108750991 A CN 108750991A CN 201810556094 A CN201810556094 A CN 201810556094A CN 108750991 A CN108750991 A CN 108750991A
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- Prior art keywords
- flange
- drag
- line
- hoisting
- bearing surface
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/12—Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/125—Chain-type slings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/14—Slings with hooks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a kind of dismounting of flange to lift positioning device, including upper flange, lower flange and multiple hoisting devices.Multiple hoisting devices along upper flange circumferentially.Hoisting device is made of hoisting bracket, positioning pin, bearing surface and lifting actuation mechanism.Hoisting bracket first end is fixedly connected with bearing surface；Mounting hole is arranged in hoisting bracket second end.Positioning pin is fixedly connected with bearing surface；Positioning pin is packed into the bolt hole of upper flange.Lifting actuation mechanism includes drag-line, hook and drag-line bearing.Drag-line bearing installation is suspended in the mounting hole of hoisting bracket；The first end of drag-line is connected to the second end of hook；The second end of drag-line is connect with drag-line support movable；The first end of hook hooks the bolt hole of lower flange.The flange dismounting of the present invention lifts positioning device and occupies little space, the flange lifting being suitable in small space；Circumferentially, flange can be improved to positive precision in multiple hoisting devices.Using upper flange as supporting, easy for installation, disassembly efficiency is high.
Description
Technical field
The present invention relates to coal chemical industry and power generation production equipment fields more particularly to a kind of dismounting of flange to lift positioning device.
Background technology
According to the requirement of coal chemical industry and electrification technique, space flight furnace apparatus uses the coal gasifying process of dry-coal feeding, is used for gas
The fine coal of change is conveyed using compressed gas.It is sent to fine coal compression system, by adding from coal-grinding unit, qualified fine coal
Pressure is delivered in fine coal feedstock vessel；Fine coal inputs gasification furnace by air filling cone in fine coal feedstock vessel, is reacted.Fine coal feedstock vessel
The core of air filling cone is the porous member made of sintering metal material.Use nitrogen or carbon dioxide gas as defeated coal carrier gas, profit
It is pressure difference-powered with fine coal feedstock vessel and gasification furnace, fine coal is passed through into porous member, continuously inputs gasified boiler system.Air filling cone length week
Sintering metal hole plug or abrasion are easily caused after phase operation, fine coal conveying is influenced, needs overhaul plan or replacement.Due to field device
Characteristics of compact layout, space for maintenance is narrow, can not be lifted using crane；And sintering metal shell uses special compound material
Can not allow weldering on the body, cannot be lifted by the way of welding support.Due to lacking suitable lifting device, seriously
The efficiency for affecting air filling cone maintenance, influences the driving progress and economic benefit of space flight furnace apparatus.
Therefore, those skilled in the art is dedicated to developing a kind of flange dismounting and lifts positioning device.With coal dust feedstock vessel
The upper flange that is connected along upper flange circumferentially multiple hoisting devices, comes using the lifting actuation mechanism of hoisting device as support
The connected lower flange of air filling cone is lifted, while the combination of lower flange and upper flange is positioned, can easily adjust inflation
Flange and the distance between the flange on the fine coal feedstock vessel being connect are bored, convenient to overhaul and replacement improves overhaul efficiency.
Invention content
In view of the drawbacks described above of the prior art, the technical problem to be solved by the present invention is to for air filling cone dismounting and peace
Positioning device is lifted in a kind of flange dismounting of dress offer, in narrow space, can lower flange be lifted and be positioned, avoided
Traditional hanging apparatus requires space larger and lifting position inaccurate, inconvenient problem.
To achieve the above object, the present invention provides a kind of dismounting of flange to lift positioning device, including upper flange, lower flange
With multiple hoisting devices；The multiple hoisting device is along the upper flange circumferential directions；
The hoisting device is made of hoisting bracket, positioning pin, bearing surface and lifting actuation mechanism；
The first end of the hoisting bracket is fixedly connected with the bearing surface；The second end setting installation of the hoisting bracket
Hole；
The bearing surface is supported on the upper surface of the upper flange；
The positioning pin is fixedly connected with the bearing surface；The axis of the positioning pin is vertical with the bearing surface；
The positioning pin is arranged to that the bolt hole of the upper flange can be packed into；
The lifting actuation mechanism includes drag-line, hook and drag-line bearing；The drag-line bearing installation is suspended on institute
In the mounting hole for stating the second end of hoisting bracket；The first end of the drag-line is connected to the second end of the hook；It is described
The second end of drag-line is connect with the drag-line support movable, and the drag-line bearing is arranged to balance what the drag-line transmitted
Power；The length of the hook to the drag-line that the drag-line supports is arranged to continuous variable；
The first end of the hook hooks the bolt hole of the lower flange.
Further, the drag-line bearing is pulley, gear or sprocket wheel.
Further, the hook is made of straight panel and pin；The second end of the straight panel connects the drag-line, described straight
Pin is arranged in the first end of plate, and the pin is fixedly connected with the straight panel；The pin is arranged to that the laxative remedy can be packed into
Blue bolt hole.
Further, the hoisting device further includes clamping face, the clamping face perpendicular to the bearing surface and with the branch
Bearing surface is fixedly connected；It is provided with fastening bolt holes on the clamping face；It is equipped with fastening bolt in the fastening bolt holes；It is described
It is compressible on the upper flange outer edge surface that fastening bolt is arranged to its end face.
Further, the horizontal distance of the center of the mounting hole of the hoisting bracket to the positioning pin axis is spy
Definite value.
Further, the vertical height of the center of the mounting hole of the hoisting bracket to the bearing surface is specific
Value.
Further, the bearing surface has specific length along the upper flange circumferencial direction.
Further, the extreme position of the hook pull-up is arranged to be not less than the bearing surface certain height.
Further, the hoisting device further includes elastic construction；Elastic construction setting the hook second end with
Between the drag-line first end, or be arranged drag-line bearing and the mounting hole of the hoisting bracket second end it
Between.
Further, the length of the positioning pin is 0.8-1.1 times of thickness of the upper flange.
In the better embodiment of the present invention, a kind of dismounting of flange is provided and lifts positioning device, including upper flange, laxative remedy
Blue and multiple hoisting devices.Multiple hoisting devices are along upper flange circumferential directions.
Upper flange is suspended in eminence.Multiple circumferentially distributed bolts hole are arranged on the end face of upper flange.
Upper surface using upper flange and supporting base of the bolt hole as hoisting device circumferentially, save traditional lifting
Special supporting structure needed for device or crane.Hoisting device occupies little space, and may be arranged in small space, is not necessarily to surrounding wall
Face can protect the surface in small space as bearing stress point.In space flight stove, the resistance to of space flight furnace interior surface can avoid
Hot material is supported as stress, is made heat proof material from compression damage, is protected heat proof material, improves the reliability of space flight stove.
Hoisting device directly hooks the bolt hole of lower flange, and hoisting process need not connect or touch what lower flange was connected
On parts, the connected component surface quality of lower flange can be protected.In space flight stove, the connected air filling cone of lower flange can be protected
The outer surface of shell.The bolt hole that lower flange is lifted using hoisting device, can prevent lower flange from falling, and inflation poppet surface is also avoided to connect
Lifting device is touched, the heat-resisting material of air filling cone surface of shell is protected, the reliability of space flight stove can be improved.
In the lifting of lower flange or disassembly process, avoids lower flange from sliding, prevents lower flange and hanging apparatus from colliding week
The wall surface enclosed is the key that ensure dismounting installation process quality.Multiple hoisting devices are along the angular separation arrangement such as upper flange circumferential direction, under making
Flange uniform force, position precise control improve the reliability of lifting or disassembly process.Space flight stove air filling cone dismounting and
In installation process, air filling cone breakage due to being collided with surface of burner hearth is can avoid, the installation maintenance quality of space flight stove air filling cone is improved.
As a preferred mode, three hoisting devices can be used, three hoisting device interval 90-150 angles are arranged in
In the bolt hole of flange.The hook of three hoisting devices hooks corresponding bolt hole from three positions of lower flange, and lower flange is limited
It makes, in lifting, the position offset of lower flange can be prevented, facilitate the centering of lower flange and upper flange.In dismounting and maintenance,
A distance can be loosened by one of them hoisting device more, lower flange is made to deflect, it is convenient to overhaul.
Hoisting device is made of hoisting bracket, positioning pin, bearing surface and lifting actuation mechanism.
The first end of hoisting bracket is fixedly connected on the bearing surface；Mounting hole is arranged in the second end of hoisting bracket.
Bearing surface is supported on the upper surface of upper flange.
Positioning pin is fixedly connected with bearing surface；The axis of positioning pin is vertical with bearing surface.
Positioning pin is arranged to that the bolt hole of upper flange can be packed into.
Hoisting bracket is the installation foundation for lifting actuation mechanism, and work is similar to a cantilever beam.The of hoisting bracket
One end is fixed on the bearing surface, and the power that it is born is passed to flange upper surface by bearing surface.The second end of hoisting bracket is set
The mounting hole set, for installing or hanging lifting actuation mechanism.The axis of hoisting bracket mounting hole is in the axis
Point is formed by plane with positioning pin axis.
Positioning pin is the root of hoisting device.Positioning pin is fitted into the bolt hole of upper flange.Positioning pin as a preferred method,
Outer diameter it is equal with the internal diameter of upper flange bolt hole, the inner wall of positioning pin and upper flange bolt hole fits together, and can make lifting
Device does not occur crooked when bearing moment of flexure.
Bearing surface as positioning pin installation foundation is a plane, and vertical with positioning pin axis.Positioning pin and bearing
Face is fixed together.Welding can be used in the two or the mode of threaded connection is fixed together, can also be by monoblock cast
Or it forges.After positioning pin is packed into the bolt hole of upper flange, the upper surface of bearing surface and upper flange is steadily contacted, upper flange
Bear the power that bearing surface is transmitted in upper surface.
Lifting actuation mechanism includes drag-line, hook and drag-line bearing；Drag-line bearing installation is suspended on hoisting bracket
In the mounting hole of second end；The first end of drag-line is connected to the second end of hook；The second end of drag-line connects with drag-line support movable
It connects, drag-line bearing is arranged to that the power of drag-line transmission can be balanced；The length for the drag-line that hook is supported to drag-line is arranged to continuous
It is variable.
As a preferred mode, bottle gouard moved by hands or electric block can be used as lifting actuation mechanism.
As a preferred mode, drag-line bearing is in the mounting hole of the second end of hoisting bracket.It can carry in this way
Coupling stiffness between the bearing of high drag-line and positioning pin, be conducive to lower flange and upper flange to just and positioning.
As a preferred mode, the ratchet or lock pin of braking are set in drag-line bearing, it can be by drag-line and drawing
Rope supporting and fixing makes the length for the drag-line that hook supports to drag-line that can be kept fixed constant in specific position.
The first end of hook hooks the bolt hole of lower flange.Preferably, the height of hook is less than the thickness of lower flange, convenient
Lower flange is docked with upper flange positioning.
In the better embodiment of the present invention, drag-line bearing is pulley, gear or sprocket wheel.Corresponding drag-line selects steel
Cord, toothed belt or chain.
In the better embodiment of the present invention, hook is made of straight panel and pin.The second end of straight panel is fixedly connected
Pin is arranged in the first end of drag-line, straight panel, and pin is fixedly connected with straight panel.Pin outer diameter it is equal with the screw hole internal diameter of lower flange and
The screw hole of lower flange can be packed into.The distance of drag-line fixed position to pin axis in straight panel is that positioning pin is installed to hoisting bracket
0.5-1 times of the horizontal distance in hole.Drag-line can be effectively shielded to the outer rim of upper flange and lower flange.It can be formed to laxative remedy simultaneously
Orchid is directed toward the component of flange axis, contributes to the positioning of flange.
As a preferred mode, fastening face is set in the straight panel of hook, bolt hole is set in fastening face, in bolt hole
Fastening bolt is assembled, pin compresses lower flange together with fastening bolt, contributes to the positioning of lower flange.Upper flange is improved under
The location efficiency of flange.
The present invention a better embodiment in, hoisting device further includes clamping face, clamp face perpendicular to bearing surface and with
Bearing surface is fixedly connected；The distance of clamping face to positioning pin is equal to flange outer rim to 1.1-1.2 times of distance of flange bolt hole；
Fastening bolt holes are provided on clamping face；Fastening bolt holes center is equal to the thickness of 1/2 times of upper flange to the distance of bearing surface.?
Fastening bolt is assembled in fastening bolt holes.After the positioning pin of hoisting device is encased in the bolt hole of upper flange, fastening spiral shell is screwed
Bolt makes its end face be pressed on the outer edge surface of upper flange.Using the clamping force between fastening bolt and positioning pin, by hoisting device with
Upper flange tightens together, and increases the rigidity of hoisting device, prevents hoisting device from shaking.
In the better embodiment of the present invention, the center of the mounting hole of hoisting bracket second end to positioning pin axis
Horizontal distance is particular value.The distance makes the spacing between lifting actuation mechanism and upper flange outer rim be 10-40mm.For drag-line
Movement reserves enough spaces, and close proximity to flange outer rim, shortens hook to the length of the drag-line of lifting actuation mechanism, reduce
The influence that gravity deforms drag-line, the tendency for inhibiting pulley bracket to rotate, keeps the positioning of lower flange more accurate.
In the better embodiment of the present invention, the vertical height of center to the bearing surface of the mounting hole of hoisting bracket is
Particular value.The height of mounting hole is arranged, and is in order to allow lower flange to have enough rising spaces, so that its compressible upper flange, side
Just it dismounts.As a preferred mode, vertical height ratio of the hoisting bracket mounting hole to bearing surface and positioning pin crossing point of axes
Lift the big 30-80mm of height of actuation mechanism.Not only ensure to lift when actuation mechanism rises and there are enough spaces, but also can shorten as possible
Length of the hook to the drag-line of lifting actuation mechanism.The influence that gravity deforms drag-line is reduced, hoisting bracket is inhibited to rotate
Tendency, make the accurate positioning of lower flange.
In the better embodiment of the present invention, bearing surface has specific length along upper flange circumferencial direction.Setting
Certain circumferential lengths can increase the stability supported to hoisting bracket, prevent hoisting bracket from being waved in hoisting process
Or tilt, improve upper flange and lower flange to plus effect.Preferably, bearing surface may be configured as circle, rectangle or annulus
A part.Bearing surface also has the function of stablizing hoisting device other than as load component.Since hoisting device is cantilever cloth
It sets, the torque rotated around bolt hole cannot be born between positioning pin and upper flange bolt hole, therefore, upper bearing surface is along upper flange
Circumferentially specific length, can prevent hoisting device from the rotation around positioning pin axis occurring in hoisting process, and raising lifted
The stability of journey.
In the better embodiment of the present invention, the extreme position of hook pull-up is arranged to specific not less than bearing surface
Highly.Be arranged hook pull-up extreme position, in order to so that hook is had enough rising spaces, with facilitate make lower flange and
Upper flange compresses.Preferably, the extreme position of hook pull-up is arranged to be not less than bearing surface 20-40mm.
In the better embodiment of the present invention, hoisting device further includes elastic construction；Elastic construction setting is in hook the
Between two ends and drag-line first end, or it is arranged between drag-line bearing and the mounting hole of hoisting bracket second end.Setting elasticity
Structure, can eliminate drag-line and be buffered caused by lifting the gap between actuation mechanism influences, and makes to protect between lower flange and upper flange
Certain pressure is held, the positioning and centering of flange are conducive to.The rigidity of elastic construction wants moderate, if rigidity is too big, can not eliminate
Gap influences.If rigidity is too small, hook is reduced to the rigidity of positioning pin, influences the positioning centering of lower flange and upper flange.
Preferably, the rigidity of elastic construction is 100000-30000N/m.
In the better embodiment of the present invention, the length of positioning pin is 0.8-1.1 times of the thickness of upper flange.Positioning
The length of pin directly affects the stability of pulley support.If positioning pin is too short, lifts bearing and be easy to happen inclination, if positioning pin
It is long, then influence being installed to neutralizing for lower flange.The length of preferred positioning pin is bigger 1-2mm than the thickness of upper flange.
The beneficial effects of the invention are as follows：
(1) bearing of the bolt hole and flange upper surface of upper flange as hoisting device, hanging apparatus is used to occupy little space,
Suitable for the flange lifting in small space.
(2) multiple hoisting devices circumferentially, can improve upper flange and lower flange to positive precision, prevent flange from sliding.
(3) limitation hoisting bracket mounting hole shortens hook to the distance of lifting actuation mechanism, increases to the distance of positioning pin
Lifting latter stage system stiffness, improves the alignment quality of flange.
(4) hoisting device arranges elastic construction, can eliminate the buffering in the gap of lifting actuation mechanism and influence, enable lower flange
It is pressed on upper flange, is conducive to disassembly and installation process and is smoothed out.
(5) positioning device is lifted in flange of the invention dismounting, improves the efficiency of space flight stove inflation cone shell dismounting installation,
Burner hearth interior wall face can be protected from crushing, be conducive to the reliability service of space flight stove.
The technique effect of the design of the present invention, concrete structure and generation is described further below with reference to attached drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
Description of the drawings
Fig. 1 is that positioning device is lifted in the space flight stove dismounting air filling cone flange dismounting of the preferred embodiment of the present invention
Schematic diagram；
Fig. 2 is the structural schematic diagram of the hoisting bracket and positioning surface and positioning pin of the preferred embodiment of the present invention；
Fig. 3 is the clamping face structural schematic diagram of the hoisting device of the preferred embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the hook of the hoisting device of the preferred embodiment of the present invention；
Fig. 5 is the structural schematic diagram of hook of the hoisting device with fastening face of the preferred embodiment of the present invention；
Fig. 6 is the schematic diagram that the elastic construction of the preferred embodiment of the present invention is arranged more than lifting actuation mechanism；
Fig. 7 is the schematic diagram that the elastic construction of the preferred embodiment of the present invention is arranged below hook；
Wherein, 1-fine coal feedstock vessel cone, 2-upper flanges, 3-lower flanges, 4-inflation cone shells, 5-hoisting devices,
501-hoisting brackets, 502-bearing surfaces, 503-positioning pins, 504-lifting actuation mechanisms, the bearing of 5041-drag-lines, 5042-
Drag-line, 5043-hooks, 6-clamping faces, 601-fastening bolt holes, 701-straight panels, 702-pins, 703-fastening faces,
704-bolts hole, 8-elastic constructions.
Specific implementation mode
Multiple preferred embodiments that the present invention is introduced below with reference to Figure of description, keep its technology contents more clear and just
In understanding.The present invention can be emerged from by many various forms of embodiments, and protection scope of the present invention not only limits
The embodiment that Yu Wenzhong is mentioned.
In the accompanying drawings, the identical component of structure is indicated with same numbers label, everywhere the similar component of structure or function with
Like numeral label indicates.The size and thickness of each component shown in the drawings are to be arbitrarily shown, and there is no limit by the present invention
The size and thickness of each component.In order to keep diagram apparent, some places suitably exaggerate the thickness of component in attached drawing.
Embodiment 1
It is that showing for positioning device is lifted in the space flight stove dismounting air filling cone flange dismounting of preferred embodiment as shown in Figure 1
It is intended to.It includes fine coal feedstock vessel cone 1, upper method that positioning device is lifted in the space flight stove dismounting air filling cone flange dismounting of the present embodiment
Orchid 2, lower flange 3, inflation cone shell 4 and three hoisting devices 5.Three hoisting devices 5 are circumferential to be distributed in the bolt hole of upper flange 2.
Fig. 2 is the structural schematic diagram of the hoisting bracket and positioning surface and positioning pin of the preferred embodiment of the present invention.Such as
Shown in Fig. 2, hoisting device 5 is made of hoisting bracket 501, bearing surface 502, positioning pin 503 and lifting actuation mechanism 504.Lifting is made
Motivation structure 504 includes drag-line bearing 5041, drag-line 5042 and hook 5043.Hoisting bracket 501 is fixedly connected with bearing surface 502.
Hoisting bracket 501 is set as two sections and is formed by connecting, vertical section perpendicular to bearing surface 502, tilting section and first segment
Angle is 135 degree.The length of vertical section and tilting section is 300mm, is connected using full weld between vertical section and tilting section.Bearing
Face 502 is the bottom surface of one piece of rest pad.Rest pad is cylindrical, 1.5-2.5 times of a diameter of positioning pin diameter, preferably
It is 2 times.The height of rest pad is 75mm.The diameter phase of the bolt hole for the upper flange 2 that the diameter of positioning pin 503 is assembled with it
Together, a diameter of 55mm.The height of positioning pin is 75mm, identical as the thickness of upper flange 2.Hoisting bracket 501 and positioning pin 503
The form and rest pad for being all made of full weld weld together.Ensure that there is enough intensity.In the second end of hoisting bracket 501,
It is provided with mounting hole.Actuation mechanism 504 is lifted for hanging.Hoisting bracket 501, rest pad and positioning pin 503 are all made of carbon steel
It is made.
The horizontal distance of the mounting hole center of 501 second end of hoisting bracket to positioning pin 503 is 215mm, and motivation is made in lifting
Gap between structure 504 and flange outer rim is 20mm.The mounting hole center of 501 second end of hoisting bracket to bearing surface it is vertical away from
From for 515mm, than hanging 504 high 40mm of actuation mechanism.
In the present embodiment, use bottle gouard moved by hands as lifting actuation mechanism 504.The sprocket wheel of bottle gouard moved by hands is supported as drag-line
5041, the shaft of sprocket wheel is hanging in the mounting hole of 501 second end of hoisting bracket.Drag-line 5042 is the chain sling of bottle gouard moved by hands,
The suspension hook of chain sling lower end chain is played as hook 5043.Hook 5043 hooks into the bolt hole of lower flange 3.
The extreme position that hook 5043 can pull up is identical as 502 height of bearing surface, has enough abilities to make 3 He of lower flange
Upper flange 2 compresses.Bearing surface 502 is 110mm along the circumferential length of upper flange 2, and hoisting bracket 501 can be effectively prevent to occur around fixed
The rotation of position pin 503.
When cone shell 4 is inflated in dismounting, the connection bolt for connecting upper flange 2 and lower flange 3 is laid down one first, then
In the bolt hole of upper flange 2, it is packed into the positioning pin 503 of hoisting device 5, bearing surface 502 is made to be supported on the upper surface of upper flange 2
On.In the corresponding screw hole for hook 5043 being hooked lower flange 3.Bottle gouard moved by hands is risen, lower flange 3 is made to be pressed on upper flange 2,
Fixed manual cucurbit keeps the length of drag-line 5042 constant.
It is front and back to be separated by 120 degree or so on upper flange 2, repeat the bolt hole that hoisting device 5 above is installed to upper flange 2
Neutralization hook 5043 hooks the process in the bolt hole of lower flange 3.Three hoisting devices 5 are circumferentially uniformly distributed peace along upper flange 2
It is attached in the bolt hole of upper flange 2.The hook 5043 of three bottle gouards moved by hands is hooked into corresponding bolt hole respectively, is then tensed each
Bottle gouard moved by hands makes three hoisting devices 5 all be generated to lower flange 3 and enough lifts power.
Remove the connection bolt of remaining all upper flanges 2 and lower flange 3.Then lower three bottle gouards moved by hands of Synchronous Radio, will
Air filling cone shell 4 gently reduces, and carries out maintenance or the replacement of internal porous medium.
When installing air filling cone shell 4, air filling cone shell 4 is sling with three hoisting devices 5.Make upper flange 2 and lower flange 3
To just.The bottle gouard moved by hands for tensing three hoisting devices 5 makes 2 lower flange 3 of upper flange compress.Then by upper flange 2 and lower flange 3
Bolt connection corresponding to remaining bolt hole.Remove three hoisting devices 5.It will be on remaining be bolted.Complete inflation
The installation of cone shell 4.
Embodiment 2
Fig. 3 is the clamping face structural schematic diagram of the hoisting device of the preferred embodiment of the present invention.Hoisting device 5 further includes folder
Tight face 6, clamping face 6 is fixedly connected perpendicular to bearing surface 502 and with bearing surface 502；The distance etc. of positioning pin 503 is arrived in clamping face 6
In 1.1-1.2 times of the distance of 2 outer rim of upper flange to 2 bolt hole of upper flange；Fastening bolt holes 601 are provided on clamping face 6；Tightly
601 center of fixing bolt hole is equal to the thickness of 1/2 times of upper flange 2 to the distance of bearing surface 502.It is assembled in fastening bolt holes 601
Fastening bolt.After the positioning pin 503 of hoisting device 5 is encased in the bolt hole of upper flange 2, the end face of fastening bolt is pressed on
On the outer edge surface of upper flange 2.Using fastening bolt and positioning pin 503, hoisting device 5 is tightened together with upper flange 2, increase is hung
The rigidity for filling device 5 prevents hoisting device 5 from shaking.
Embodiment 3
Fig. 4 is the structural schematic diagram of the hook of the hoisting device of the preferred embodiment of the present invention.Hook 5043 is by straight panel
701 and pin 702 constitute.The second end of straight panel 702 is fixedly connected with drag-line 5042, and pin 702 is arranged in the first end of straight panel 701,
The outer diameter of pin 702 is equal with the bolt hole internal diameter of lower flange 3 and can be packed into the bolt hole of lower flange 3.Drag-line in straight panel 701
The distance of 5042 fixed position to 702 axis of pin is horizontal distance of the positioning pin 503 to the mounting hole of hoisting bracket 501
0.5-1 times.Drag-line 5042 can be effectively shielded to the outer rim of upper flange 2 and lower flange 3.It can be formed simultaneously and lower flange 3 is directed toward
The component of flange axis contributes to the positioning of lower flange 3.
As a preferred mode, as shown in figure 5, fastening face 703 is arranged in hook straight panel, it is arranged in fastening face 703
Bolt hole 704, pin 702 compress lower flange 2 together with fastening bolt, contribute to the positioning of lower flange 3.Improve upper flange 2
With the alignment quality of lower flange 3.
Embodiment 4
In the preferred embodiment of the present invention, hoisting device 5 further includes elastic construction 8；Elastic construction 8 is arranged in hook
Between 5043 5042 first end of second end and drag-line, or it is arranged in drag-line bearing 5041 and 501 second end of hoisting bracket
Between mounting hole.The purpose of elastic construction 8 is set, is to return power buffering caused by order to lift the gap of actuation mechanism 504 to influence,
Make to keep certain pressure between lower flange 3 and upper flange 2, is conducive to the positioning and centering of flange.The rigidity of elastic construction 8 is wanted
It is moderate, if rigidity is too big, gap influence can not be eliminated.If rigidity is too small, hook 5043 is reduced to the rigid of positioning pin 503
Degree, influences the positioning centering of lower flange 3 and upper flange 2.Preferably, the rigidity of elastic construction 8 is 100000-30000N/m.
As shown in fig. 6, elastic construction 8 is serially connected between the straight panel 701 of hook 5043 and drag-line 5042.Preferably, it compresses
Spring is as elastic construction 8.Drag-line 5042 passes through the straight hole in straight panel 701, and end is fixedly connected with spring base, compressed spring set
In the outside of drag-line 5042, upper and lower ends are respectively by straight panel 701 and spring base limitation movement.In lifting, drag-line 5042 is drawn
Flexible spring seat makes compressed spring shorten, and elastic connection is formed between drag-line 5042 and straight panel 701.Lifting start can be made up
The gap of mechanism 504 avoids the occurrence of back power buffering, and upper flange 2 and lower flange 3 can be made to keep impaction state.
Preferably, elastic construction 8 can also be serially connected with the mounting hole of lifting actuation mechanism 504 and 501 second end of hoisting bracket
Between.As shown in Figure 7.Elastic construction 8 is a tension spring.In lifting, drag-line 5042 pulls downward on lifting actuation mechanism 504, from
And change the elongation and elastic force of tension spring.Elastic connection is formed between hook 5043 and the first end of hoisting bracket 501.It can be with
The gap for making up lifting actuation mechanism 504, avoids the occurrence of buffering, and upper flange 2 and lower flange 3 can be made to keep impaction state.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that the ordinary skill of this field is without wound
The property made labour, which according to the present invention can conceive, makes many modifications and variations.Therefore, all technician in the art
Pass through the available technology of logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Scheme, all should be in the protection domain being defined in the patent claims.
Claims (10)
1. positioning device is lifted in a kind of flange dismounting, which is characterized in that including upper flange, lower flange and multiple hoisting devices；It is described
Multiple hoisting devices are along the upper flange circumferential directions；
The hoisting device is made of hoisting bracket, positioning pin, bearing surface and lifting actuation mechanism；
The first end of the hoisting bracket is fixedly connected with the bearing surface；Mounting hole is arranged in the second end of the hoisting bracket；
The bearing surface is supported on the upper surface of the upper flange；
The positioning pin is fixedly connected with the bearing surface；The axis of the positioning pin is vertical with the bearing surface；
The positioning pin is arranged to that the bolt hole of the upper flange can be packed into；
The lifting actuation mechanism includes drag-line, hook and drag-line bearing；The drag-line bearing installation is suspended on described hang
In the mounting hole for filling the second end of holder；The first end of the drag-line is connected to the second end of the hook；The drag-line
Second end connect with the drag-line support movable, drag-line bearing is arranged to that the power that the drag-line transmits can be balanced；Institute
The length for stating the drag-line that hook is supported to the drag-line is arranged to continuous variable；
The first end of the hook hooks the bolt hole of the lower flange.
2. positioning device is lifted in flange dismounting as described in claim 1, which is characterized in that the drag-line bearing is pulley, tooth
Wheel or sprocket wheel.
3. positioning device is lifted in flange dismounting as described in claim 1, which is characterized in that the hook is by straight panel and pin structure
At；The second end of the straight panel connects the drag-line, and pin is arranged in the first end of the straight panel；The pin is solid with the straight panel
Fixed connection；The pin is arranged to that the bolt hole of the lower flange can be packed into.
4. positioning device is lifted in flange dismounting as described in claim 1, which is characterized in that the hoisting device further includes clamping
Face, the clamping face are fixedly connected perpendicular to the bearing surface and with the bearing surface；Fastening spiral shell is provided on the clamping face
Keyhole；It is equipped with fastening bolt in the fastening bolt holes；It is compressible on described that the fastening bolt is arranged to its end face
On flange outer edge surface.
5. positioning device is lifted in flange dismounting as described in claim 1, which is characterized in that the installation of the hoisting bracket
The horizontal distance of the center in hole to the positioning pin axis is particular value.
6. positioning device is lifted in flange dismounting as described in claim 1, which is characterized in that the installation of the hoisting bracket
The vertical height of the center in hole to the bearing surface is particular value.
7. positioning device is lifted in flange dismounting as described in claim 1, which is characterized in that the bearing surface is along the upper flange
Circumferencial direction has specific length.
8. positioning device is lifted in flange dismounting as described in claim 1, which is characterized in that the extreme position of the hook pull-up
It is arranged to be not less than the bearing surface certain height.
9. positioning device is lifted in flange dismounting as described in claim 1, which is characterized in that the hoisting device further includes elastic knot
Structure；The elastic construction is arranged between the hook second end and the drag-line first end, or is arranged in the drag-line branch
It holds between the mounting hole of the hoisting bracket second end.
10. positioning device is lifted in flange dismounting as described in claim 1, which is characterized in that the length of the positioning pin is institute
State the thickness of upper flange 0.8-1.1 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810556094.9A CN108750991B (en) | 2018-06-01 | 2018-06-01 | Flange dismounting, lifting and positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810556094.9A CN108750991B (en) | 2018-06-01 | 2018-06-01 | Flange dismounting, lifting and positioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108750991A true CN108750991A (en) | 2018-11-06 |
| CN108750991B CN108750991B (en) | 2020-05-08 |
Family
ID=64001881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810556094.9A Active CN108750991B (en) | 2018-06-01 | 2018-06-01 | Flange dismounting, lifting and positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108750991B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2393795A (en) * | 1944-09-08 | 1946-01-29 | Herbert L Miller | Flange spreader |
| US4150477A (en) * | 1977-09-21 | 1979-04-24 | Exxon Production Research Company | Pre-loading joint flanges |
| US5954466A (en) * | 1998-02-04 | 1999-09-21 | Muskegon Tools, L.L.C. | Anti-rotation clip for tightening and loosening nuts and bolts |
| CN201597017U (en) * | 2010-01-24 | 2010-10-06 | 范伟强 | Ring flange dismounting special-purpose device |
| CN106392997A (en) * | 2016-11-24 | 2017-02-15 | 攀枝花市徳铭再生资源开发有限公司 | Detachment device for bottom flange cover of container |
| CN207361669U (en) * | 2017-08-31 | 2018-05-15 | 广东运达科技股份有限公司 | The auxiliary mounting tool of reversely hung Yong electric hoist |
-
2018
- 2018-06-01 CN CN201810556094.9A patent/CN108750991B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2393795A (en) * | 1944-09-08 | 1946-01-29 | Herbert L Miller | Flange spreader |
| US4150477A (en) * | 1977-09-21 | 1979-04-24 | Exxon Production Research Company | Pre-loading joint flanges |
| US5954466A (en) * | 1998-02-04 | 1999-09-21 | Muskegon Tools, L.L.C. | Anti-rotation clip for tightening and loosening nuts and bolts |
| CN201597017U (en) * | 2010-01-24 | 2010-10-06 | 范伟强 | Ring flange dismounting special-purpose device |
| CN106392997A (en) * | 2016-11-24 | 2017-02-15 | 攀枝花市徳铭再生资源开发有限公司 | Detachment device for bottom flange cover of container |
| CN207361669U (en) * | 2017-08-31 | 2018-05-15 | 广东运达科技股份有限公司 | The auxiliary mounting tool of reversely hung Yong electric hoist |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108750991B (en) | 2020-05-08 |
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