CN109015484A - A kind of equipment handling tooling, equipment assembly method and equipment method for dismounting - Google Patents
A kind of equipment handling tooling, equipment assembly method and equipment method for dismounting Download PDFInfo
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- CN109015484A CN109015484A CN201810947758.4A CN201810947758A CN109015484A CN 109015484 A CN109015484 A CN 109015484A CN 201810947758 A CN201810947758 A CN 201810947758A CN 109015484 A CN109015484 A CN 109015484A
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- equipment
- tooling
- supporting leg
- supporting
- annular chuck
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of equipment handling tooling, including clamp fastening structure, axial adjustment structure and radially aligned structure；Clamping fastening structure includes annular chuck and fastener, and annular chuck includes at least two pieces arc-shaped tooling supporting blocks, and tooling supporting block head and the tail are spliced to form annular chuck, and fastener fastens annular locking chuck；Axial adjustment structure includes supporting leg, and supporting leg runs through annular chuck, and supporting leg and annular snap disk are threadedly coupled；Locating rod runs through annular chuck.Above equipment loads and unloads tooling, is clamped cryogenic mechanical to be installed using fastening structure is clamped.By rotating supporting leg, tooling supporting block drives equipment to be installed that axial displacement occurs, and realizes installation and removal.In installation, tooling and mechanical overall radial positioning can be realized by the location hole that locating rod screws in lower end flanges, concentricity is improved, reduces rigging error.In addition, also providing a kind of equipment assembly method and equipment method for dismounting using above equipment handling tooling.
Description
Technical field
Tooling technical field more particularly to a kind of equipment handling tooling, equipment assembly method are hung the present invention relates to dress and are set
Standby method for dismounting.
Background technique
Large-scale helium cryogenic refrigeration equipment is that the forewords high-tech application such as aviation, nuclear science, Superconductor Physics field is irreplaceable
Base support, provide required ultra-low temperature surroundings for the normal operation of big science system.To meet the great technological basis of country
Facilities Construction project (ADS and HIAF etc.) is to liquid helium to the urgent need and national strategy helium of superfluid helium warm area large-scale low-temperature refrigeration system
Current resources situation and demand, urgent need development is a set of from liquid helium to superfluid helium warm area large-scale low-temperature refrigeration system, and refrigerating capacity respectively reaches
2500W@4.5K, 500W@2.0K and 250W@4.5K.Low-temperature rotary is mechanical, and (low-temperature helium centrifugal compressor, high rate turbine are swollen
Swollen machine) it is used as " liquid helium to superfluid helium warm area large-scale low-temperature refrigeration system " core key part, it is that can large-scale low-temperature system real
The key equipment of existing design objective, working efficiency and reliability have significant impact to entire cryogenic system.
It is that ice chest integrated installation, reliability and regulation etc. are multi-party in system building for low-temperature rotary machinery
Face considers that impeller active section need to be placed in cold box interior by this kind of equipment, and its driving or dog point are placed in outside ice chest flange
Portion.When being therefore mechanically integrated installation for low-temperature rotary, need first to be fastened on spiral case in advance together with stationary parts such as supporing shells
On ice chest flange, the active section of low-temperature rotary machinery is then fixed on by ice chest flange using outer bolt fastening mounting means
On.Traditional low-temperature rotary machinery is usually to cooperate the dress being manually aligned with gantry crane in the integrated cargo handling process on ice chest flange
With scheme, therefore, whole axial dimension is difficult to hold in the craft cargo handling process, assembling process it is difficult to ensure that angle cooperation,
Impeller requires to be difficult to ensure with spiral case concentricity, it is easy to generate rigging error.
Summary of the invention
In consideration of it, it is necessary to provide one kind can be improved concentricity, reduce equipment handling tooling, the equipment dress of rigging error
Method of completing the square and equipment method for dismounting.
A kind of equipment handling tooling, including clamp fastening structure, axial adjustment structure and radially aligned structure；
The clamping fastening structure includes annular chuck and fastener, and the annular chuck includes at least two pieces arc-shaped
Tooling supporting block, at least two pieces of tooling supporting blocks head and the tail are spliced to form the annular chuck, and the fastener is by the ring
The fastening of shape locking chuck；
The axial adjustment structure includes supporting leg, and the supporting leg is through the annular chuck, the supporting leg and institute
State the threaded connection of annular snap disk；
The radially aligned structure includes locating rod, and the locating rod is through the annular chuck.
In one embodiment, the axial adjustment structure further includes chain and sprocket wheel, described supporting leg one end and described
Sprocket wheel is fixedly connected, and the quantity of the supporting leg is at least two, and the quantity of the sprocket wheel is at least two, the number of the sprocket wheel
Amount is identical with the quantity of the supporting leg, and the chain is sheathed at least two sprocket wheel.
In one embodiment, the axial adjustment structure further includes tensioning limiting cylinder, and the tensioning limiting cylinder is set to institute
It states on annular chuck, the tensioning limiting cylinder is used for the chain tension.
In one embodiment, the axial adjustment structure further includes adjustment base, offers spiral shell on the adjustment base
Line blind hole, one end of the supporting leg are equipped with the screw thread to match with the tapped blind hole, and the adjustment base is set to the branch
On the screw thread of one end of support leg.
In one embodiment, the fastener is chain type hoop, and the chain type hoop is sheathed on the annular snap
The outside of disk.
In one embodiment, the clamping fastening structure further includes upper support screw and lower support screw, the upper branch
Support wire bar and lower support screw are respectively arranged in two opposite surfaces of the annular chuck.
A kind of equipment assembly method using above equipment handling tooling, comprising the following steps:
At least two pieces of tooling supporting blocks are mounted on to the surface of equipment, and are fastened using the fastener；
It slings the equipment and moves to flange working face, the locating rod is arranged in the location hole of the flange working face
It is interior；
Height to the supporting leg for reducing the equipment touches ice chest working face；
The supporting leg to the equipment, which is rotated, by first direction drops to ice chest working face.
In one embodiment, the height for reducing the equipment touches the step of ice chest working face to the supporting leg
Further include following steps after rapid:
It is arranged adjustment base close to one end of the ice chest working face in the supporting leg, is offered on the adjustment base
Tapped blind hole, one end of the supporting leg are equipped with the screw thread to match with the tapped blind hole, by adjusting the adjustment base
It is sheathed on the depth in the supporting leg, it is parallel with ice chest large flange surface so as to adjust the annular chuck.
In one embodiment, the surface that at least two pieces of tooling supporting blocks are mounted on to equipment, and use institute
Further include following steps after stating the step of clip is fastened:
Upper support screw and lower support screw is respectively set in two apparent surfaces of the annular chuck；
Support screw and lower support screw make that it withstands on the upper supporting plane of the equipment respectively and lower support is flat in control
Face, and be fixed.
A kind of equipment method for dismounting using above equipment handling tooling, comprising the following steps:
At least two pieces of tooling supporting blocks are mounted on to the surface of equipment, and are fastened using the fastener；
The supporting leg is rotated by second direction, the equipment leaves ice chest working face；
The location hole that the locating rod is removed to flange working face, slings the equipment and leaves flange working face.
Above equipment loads and unloads tooling, by attaching to tooling supporting block on the circumference of cryogenic mechanical to be installed, and uses
Fastener fastens tooling supporting block, cryogenic mechanical to be installed can be clamped.Due to the screw thread of supporting leg and tooling supporting block
Matching relationship rotates supporting leg, and ice chest working face axial displacement can occur for tooling supporting block relatively, to drive low temperature to be installed
Axial displacement occurs together for machinery, realizes the purpose for falling on ice chest working face and installing and above proposing disassembly.By whole equipment
During handling tooling and cryogenic mechanical to be installed lift by crane and decline, the reserved installation of low-temperature rotary machinery is passed through by locating rod
Threaded hole, and screw in lower end flanges and realize tooling and mechanical overall radial positioning, concentricity is improved, rigging error is reduced.
Above equipment assembly method is easy to operate, and steadily, assembly precision is higher, and service efficiency is high, and may be implemented cold
A variety of different mechanical handling requirements such as compressor or low temperature turbine.The crucial son of large-scale helium cryogenic refrigerating system is can effectively solve
The assembly problem of component low-temperature rotary machinery, meet the whole design size of low-temperature rotary mechanical impellor and spiral case, gap surplus,
The requirement of geometric tolerance, effectively solving cryogenic mechanical can not high-precision, stable, the problem efficiently assembled.
Above equipment method for dismounting is easy to operate, and steadily, service efficiency is high, and cold compressor may be implemented or low temperature is saturating
The a variety of different mechanical disassembly requirements of equality.Large-scale helium cryogenic refrigerating system key subassembly low-temperature rotary machine is can effectively solve
The disassembly problem of tool.
Detailed description of the invention
Fig. 1 is that the equipment of an embodiment loads and unloads the structural schematic diagram that tooling is equipped with cryogenic mechanical.
Fig. 2 is the structural schematic diagram that equipment shown in FIG. 1 loads and unloads tooling.
Fig. 3 is that the equipment of an embodiment loads and unloads the schematic diagram of the section structure that tooling is equipped with cryogenic mechanical.
Fig. 4 is that the equipment of an embodiment loads and unloads the top view that tooling is equipped with cryogenic mechanical.
Fig. 5 is that the equipment of another embodiment loads and unloads the structural schematic diagram of tooling.
Specific embodiment
In order to be more clear the objectives, technical solutions, and advantages of the present invention, with reference to the accompanying drawings and embodiments, to this hair
It is bright to be further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
It is of the invention in limiting.
For being that whole efficiency need to consider three aspects in low-temperature rotary mechanical design processes: first in view of helium working medium
Itself particularity (small molecule, adiabatic exponent are high) need to promote as far as possible work in the case where considering the limitation of impeller low temperature intensity and turn
Speed to be optimized to optimal flux coefficient, after optimization design its circumference of impeller linear velocity often >=200m/s.Material when its secondary design
Intensity limitation, whole cold compressor entirety inlet impeller size is smaller, to make mechanical complete machine have wider condition range, needs to protect
There are enough circulation areas in card inlet, therefore need to control blade integral thickness within 1.5mm.It finally needs rotary blade
Gap between fixed spiral case is minimized to reduce whole leaf top leakage rate, closely mechanical complete machine is made to reach greater efficiency.Root
According to different working conditions, gap is usually taken to be between 0.05mm-0.5mm, impeller side and spiral case side gap 0.05-
0.5mm, concentricity requirement≤0.05mm, axial height deviation≤0.05mm.In general, low-temperature rotary machinery belongs to accurate machine
Tool, vane thickness is relatively thin, collides with easily-deformable；Rotor portion revolving speed is higher when work, fit clearance required precision is higher；Complete machine
Impeller working end need to go deep into the inside of big ice chest when installation, be not easy to detect assembly precision, whole serious forgiveness is low；And cryogenic mechanical removes
Installation is outer for the first time, also needs time-based maintenance preservation & testing, therefore the essential needs for having regular dismounting and installing again.Therefore its
It is harsh to the requirement of whole assembling process, once occurring any deviation in assembling process, huge damage will be caused to whole system
It loses.
It is an object of the present invention to provide can be widely used in large-scale helium cryogenic refrigeration, the critical component low temperature rotation in liquefying plant
A set of cryogenic mechanical of favourable turn tool equipment loader of effective stability and high efficiency assembly on ice chest is filled with and the mating side of practicing
Method.Using equipment handling tooling of the invention and cooperate the equipment assembly method of offer that low-temperature rotary mechanical impellor can be effectively ensured
With the requirement of the whole design size, gap surplus, geometric tolerance of spiral case.
As depicted in figs. 1 and 2, the equipment of an embodiment loads and unloads tooling, including clamps fastening structure, axial adjustment structure
With radially aligned structure.
Clamping fastening structure includes annular chuck and fastener, and annular chuck includes at least two pieces arc-shaped tooling supports
Block 17, at least two pieces of 17 head and the tail of tooling supporting block are spliced to form annular chuck, and fastener fastens annular locking chuck.
Axial adjustment structure includes supporting leg 3, and supporting leg 3 runs through annular chuck, and supporting leg 3 and annular snap valve snail line connect
It connects.
Radially aligned structure includes locating rod 6, and locating rod 6 runs through annular chuck.
Above equipment loads and unloads tooling, by attaching to tooling supporting block 17 on the circumference of cryogenic mechanical to be installed, and adopts
Tooling supporting block 17 is fastened with fastener, cryogenic mechanical to be installed can be clamped.Due to supporting leg 3 and tooling supporting block 17
Be threadedly engaged relationship, rotate supporting leg 3, tooling supporting block 17 can opposite ice chest working face 15 axial displacement occurs, thus band
It moves cryogenic mechanical 10 to be installed and axial displacement occurs together, realize the mesh for falling on ice chest working face 15 and installing and above proposing disassembly
's.During whole equipment handling tooling and cryogenic mechanical to be installed are lifted by crane and declined, low temperature is passed through by locating rod 6
The reserved installation threaded hole of rotating machinery, and screw in lower end flanges and realize tooling and mechanical overall radial positioning, concentricity is improved,
Reduce rigging error.
In the embodiment shown in fig. 1, the quantity of tooling supporting block 17 is two pieces.The thickness of two pieces of tooling supporting blocks 17 with
Outer dimension is adapted to the necessary intensity limitation of satisfaction with cryogenic mechanical 10 to be installed by calculation and check.Section is equipped with and is arranged symmetrically pin
Pin hole positions convenient for two tooling supporting blocks, 17 fast aligning when tooling installation.Supporting leg screw thread is reserved in tooling supporting block 17
Hole.
In one embodiment, clamping fastening structure further includes cushion 12.Stop equipped with card slot 17 inner hole side of tooling supporting block
Mouthful, the interior surface of tooling supporting block 17 is equipped with cushion 12.The design energy effective protection 10 body outer surface of equipment to be installed,
Prevent it to be scratched.The design and package size of the cushion 12 are adapted, between being can effectively prevent between two tooling supporting blocks 17 in this way
Gap is excessive, influences subsequent positioning accuracy.Specifically, tooling supporting block 17 is semicircular configuration.
Fastener can be bolt or chain type hoop.When fastener is chain type hoop 13,13 sets of chain type hoop
Set on the outside of annular chuck.17 size of tooling supporting block is adopted when larger and is clamped by bolt.When 17 size of tooling supporting block is smaller
It is fastened and is clamped using chain clasp 13, be fixed on the outside of equipment 10 to be installed.Fastener uses chain type hoop, gives full play to
Using the advantage of 13 Fast Installation of chain type hoop, accelerate entire tooling installation progress.
In one embodiment, clamping fastening structure further includes upper support screw 7 and lower support screw 14, upper support screw
7 and lower support screw 14 be respectively arranged in two opposite surfaces of annular chuck.
Whole axial restraint threaded hole is reserved in tooling supporting block 17, to install support screw 7 and lower supporting wire
Bar 14.Upper support screw 7 and lower support screw 14 are locked for withstanding cryogenic mechanical Flange Plane up and down equipped with locking nut
Tightly.The size selection of upper support screw 7 and lower support screw 14 need to be adapted with the size of equipment to be installed, as shown in Figure 3.It should
Structure makes full use of the screw thread mutual cooperation load-bearing of screw thread and support screw in 17 reserved screwed hole of tooling supporting block, low to guarantee
It is axial between warm equipment body and tooling supporting block 17 that vibration does not occur, it is ensured that stable structure in tooling use process.
When cryogenic mechanical to be installed is light-duty small device, such as micro-turbine expanding machine.Because of its lighter weight, utilize
Chain chain type hoop 13 clamps, and cooperates internal cushion 12 to increase frictional force, it can to realize the fastening of tooling and machinery to be installed.
Therefore support screw up and down can be removed at this time integrally can be reduced tooling simplicity, facilitates such small-sized as tool positioning device
High-precision assembly of the cryogenic mechanical on flange working face.Overall structure is as shown in Figure 5 at this time.
In one embodiment, axial adjustment structure further includes chain 11 and sprocket wheel 4, and one end of supporting leg 3 and sprocket wheel 4 are fixed
Connection, the quantity of supporting leg 3 are at least two, and the quantity of sprocket wheel 4 is at least two, the quantity of sprocket wheel 4 and the quantity of supporting leg 3
Identical, chain 11 is sheathed at least two sprocket wheels 4.In the embodiment shown in Figure 2.The quantity of supporting leg 3 is 3, sprocket wheel 4
Quantity be 3.It is appreciated that the quantity of supporting leg 3 and sprocket wheel 4 is not limited to 3.In actual operation, supporting leg 3 and chain
The quantity of wheel 4 can be configured according to actual needs.
In one embodiment, supporting leg 3 is hexagon socket head cap screw.
Further, axial adjustment structure further includes watching close screw.Offered in the middle part of sprocket wheel 4 one and supporting leg 3 be adapted to
Inner hole, sprocket wheel 4 pass through supporting leg 3 and are fixed on 3 top of supporting leg, are fastened using screw positioning is watched close.By watching close rear frictional force
Guarantee that with radial vibration does not occur for sprocket wheel 4 and supporting leg 3 axial, as shown in Figure 2.Supporting leg 3 screws in tooling supporting block 17
Reserved threaded hole, more 3 screw-in lengths of supporting leg are consistent as far as possible.
Above equipment loads and unloads tooling and moves by using sprocket wheel 4 and 11 kind of drive of chain, can drive circumferential all
Supporting leg 3 keeps synchronous rotating Vortex.Sprocket wheel support leg structure can be synchronized effectively to be rotated with frequency, reaches steady vertically-mounted mesh
, it more can effectively meet installation matching requirements.
In one embodiment, axial adjustment structure further includes tensioning limiting cylinder 5, and tensioning limiting cylinder 5 is set on annular chuck,
Tensioning limiting cylinder 5 is for chain 11 to be tensioned.Specifically, in the embodiment shown in Figure 2, tensioning limiting cylinder 5 is sheathed on positioning
On bar 6.The quantity of tensioning limiting cylinder 5 is 3.It is appreciated that the quantity of tensioning limiting cylinder 5 is not limited to 3.In real work
In, the quantity of tensioning limiting cylinder 5 can be configured according to actual needs.
The tensioning limiting cylinder 5 is mainly used for applying extra binding on the inside of chain 11, enables whole 11 stress of chain
Tighten, prevent in actual work chain 11 fall off.Tensioning limiting cylinder 5 is two layers of tube-in-tube structure, and internal layer is the small material of hardness, outside
For the big material of hardness.The tensioning limiting cylinder 5 devises certain angle excursion, and is coated in the inner and outer cylinder outer surface of inner cylinder
Lubricant.The contact area of chain 11 Yu tensioning limiting cylinder 5 can be reduced by application of lubricating, and is played and subtracted by lubricant
Small frictional resistance it is smooth to guarantee that chain 11 is driven, as shown in Figure 4.There is the layer structure of different-diameter, tensioning by replacing
Position-limiting drum 5 can adjust the tensioning degree of chain 11, improve 11 high transmission accuracy of chain.
In one embodiment, it referring to FIG. 3, axial adjustment structure further includes adjustment base 1, adjusts and is opened up on base 1
There is tapped blind hole, one end of supporting leg 3 is equipped with the screw thread to match with tapped blind hole, and adjustment base 1 is sheathed on the one of supporting leg 3
On the screw thread at end.Further, axial adjustment structure further includes adjusting pad locking nut 2.It will adjustment 1 precession of base or back-out branch
After support leg 3, locked by adjusting pad locking nut 2 by base 1 is adjusted.
Specifically, adjustment base 1 is set to the lower part of supporting leg 3.I.e. adjustment base 1 is set to supporting leg 3 far from chain 11
One end.It is placed on ice chest working face 15 in erection stage adjustment base 1, supporting leg 3 is avoided directly to connect with ice chest working face 15
Touching scratches face surface.Tapped blind hole is offered on adjustment base 1, when supporting leg 3 is fallen on ice chest working face 15, branch
Support leg 3 plays the role of fine tuning when screwing in, while being observed and being verified with level meter, it is ensured that tooling supporting block 17 and its low temperature combined
Equipment body 10 keeps parallel with ice chest large flange, and with the locking adjustment base 1 of adjusting pad locking nut 2 after leveling.
Tooling passes through the reserved installation threaded hole of low-temperature rotary machinery by locating rod 6, and screws in lower end flanges and realize tooling
With mechanical overall radial positioning, radial positioning dimensional discrepancy≤0.05mm.
In one embodiment, the quantity of the locating rod 6 of radially aligned structure is 4.It is appreciated that the number of locating rod 6
Amount is not limited to 4.In actual needs, it can be configured according to the actual situation.Using more locating rods 6 to positive rotation machinery
The reserved installation threaded hole of mounting flange 16, then screws in, stationary positioned bar 6, as shown in Figure 3.By pre- between more locating rods 6
The polygon geometry restriction relation for first designing and being formed realizes the radial positioning of tooling and cryogenic mechanical 10, guarantees to be installed low
Radially location dimension deviation reaches and needs to require the spindle central and static volute component of warm machinery 10.
Above equipment handling tooling realizes that vertical drop installation of the cryogenic mechanical 10 on ice chest working face 15 is torn open with above mentioning
Process is unloaded, the cooperation of the internal screw thread for the threaded hole reserved on the external screw thread and two pieces of tooling supporting blocks 17 of supporting leg 3 is relied primarily on
Relationship is realized.When above equipment loads and unloads tooling work, the adjustment base 1 of 3 lower end of supporting leg resists table on ice chest working face 15
Structural stability can be effectively ensured in face.When supporting leg 3 rotates, due to being threadedly engaged relationship, tooling supporting block 17 can be opposite
Axial displacement occurs for ice chest working face 15.Again since cryogenic mechanical 10 and tooling supporting block 17 are fastened as a whole, when tooling supports
When relative displacement occurs for block 17, cryogenic mechanical 10 to be installed is subjected to displacement together in company with tooling supporting block 17, is realized in ice chest work
Make the purpose installed and above propose disassembly that falls on face 15.Certain axial pretightening can effectively be applied using above-mentioned helicitic texture simultaneously
Power, it is ensured that 10 low-temperature zone heat-insulating material of cryogenic mechanical to be installed integrally can smoothly be installed in the mounting groove of cold box interior.
For the exploitativeness for enhancing above-mentioned principle, need to keep equipment handling tool structure using more supporting legs in practice
Horizontal stability, therefore sprocket wheel chain transmission thereon need to be made to realize that more supporting legs 3 move synchronously.Specifically: towards certain when dismounting
One direction rotates the bolt of supporting leg 3 and its upper sprocket wheel 4 is driven to rotate, and then rotating in a circumferential direction for sprocket wheel 4 is converted to 11 water of chain
Prosposition shifting movement finally drives other sprocket wheels 4 by 11 transmission effect of chain and bolt synchronous rotates thereon, realizes multiple supporting legs
3 synchronous axial displacements.When the more rotations of supporting legs 3 in real work can be effectively ensured in the design of this structure, axial feed length
Possible inconsistence problems, it is ensured that overall structure can guarantee relative level, and any deflection does not occur.Particularly, in tooling supporting block
17 supporting leg bolt bore edges are equipped with the circular scale ruler for determining that supporting leg 3 rotates angle, axially transport when determining installation
Dynamic distance, can the adjusting of highest realization ± 0.025mm axial height.Specifically: the branch for reading tooling supporting block 17 is carved when seated
Support leg bolt bore edges are equipped with the circular scale ruler for determining that supporting leg 3 rotates angle, axial movement when determining installation to calculate
Distance.Specific formula for calculation are as follows:
Wherein L is 3 feeding length of supporting leg, and m is 3 rotating cycle of supporting leg, and supporting leg 3 revolves when n is less than 360 ° of rotation
Gyration, P are 3 screw pitch of supporting leg.
Above equipment loads and unloads tooling, and auxiliary assembly precision is high, and axial precision can reach ± 0.025mm, and radial accuracy≤
0.05mm.And its is easy to operate, easy to learn, versatile, and a variety of differences such as cold compressor or low temperature turbine may be implemented
Mechanical handling requirement.It can effectively solve large-scale helium cryogenic refrigerating system key subassembly --- cold compressor, turbine expansion
Machine assembles problem, meets the requirement of the whole design size, gap surplus, geometric tolerance of low-temperature rotary mechanical impellor and spiral case,
Overcome it is whole can not effective stability and high efficiency assembly problem, enable large-scale helium cryogenic refrigerating system key subassembly to stablize height
Effect operation.
Equipment handling tooling is mainly used in integrated installation and dimension of the critical component on ice chest in large-scale low-temperature system
Shield disassembly these two aspects uses.Wherein integrated installation is broadly divided into 4 processes: tooling prepares installation, complete machine lifting positioning, complete machine
It falls and assembles, tooling disassembly.Maintenance disassembly process is similar with integrated installation process, and be also classified into 4 processes: tooling prepares installation,
Disassembly, complete machine lifting transfer, tooling disassembly are proposed in complete machine.
It is below the equipment assembly method that tooling is loaded and unloaded using above equipment of an embodiment, comprising the following steps:
S110, the surface that at least two pieces of tooling supporting blocks are mounted on to equipment, and fastened using fastener.
S110 is that tooling prepares erection stage.It proceeds as follows specifically, preparing erection stage in tooling: 1, existing first
It is encased inside cushion 2 at two pieces of 17 inner wall card slots of tooling supporting block, then alignment is mounted in the middle part of 10 outer surface of cryogenic mechanical, is paid attention to
Locating distance is kept away from upper and lower limitation body such as cooling water pipe distance >=5mm.With at 17 section of tooling supporting block pairs in alignment procedure
The pin hole and pin for claiming arrangement position centering, horizontal using level meter checking tool supporting block 17.It is reserved in tooling supporting block 17
Threaded hole in screw in upper support screw 7 and lower support screw 14 and its mating locknut.And then blocked using chain type hoop 13
Firmly 17 outer ring bayonet of tooling supporting block screws and pre-installs bolt on clip 13, applies pretightning force, it is ensured that cryogenic mechanical 10 to be installed and work
It loads and is solidified as a whole, it is specific as shown in Figure 1.2, after 13 clamping of clip, support screw 7 and lower support screw 14 make it in control
About 10 supporting plane of cryogenic mechanical is withstood on respectively.Checking overall structure, whether there is or not vibrations, lock when axially vibration not occurring
Nut check.3, three supporting legs 3 are assembled, 3 supporting legs 3 are packed into the reserved screwed hole of tooling supporting block 17 after to be done
In, adjust supporting leg 3 with respect to tooling supporting block 17 height, for prevent 4 lower surface of locking sprocket wheel away from tooling supporting block 17 away from
From will there are the gaps 1mm-2mm.Then load onto the adjusting pad locking nut 2 and adjustment base 1 on supporting leg 3.4, chain is installed
11, loading onto locating rod 6 and tensioning limiting cylinder 5 in advance makes 11 tensioner of chain, examines sprocket wheel chain transmission system energy steady operation, owns
Tooling equipment part structural schematic diagram, as shown in Figure 2.
S120, it slings equipment and moves to flange working face, locating rod is arranged in the positioning hole of flange working face.
S120 is that complete machine lifts by crane positioning stage.Specifically, being each passed through using rope positioned at 10 upper end cover of cryogenic mechanical
Lifting lug 8 is installed, then vertically slings complete machine using lifting appliance 9,16 mounting hole of flange working face is slowly moved to and nearby hovers.
Subsequent 3 prepackages locating rod 6 is directed at the installation threaded hole on mounting flange face 16, screws in locating rod 6 after all alignments, protects
Hinder cryogenic mechanical 10 to be installed to position radially.Radial positioning has been realized together with cryogenic mechanical 10 to be installed is overall to tooling,
9 lifting rope rope of slow release lifting appliance at this time, allows tooling support leg 3 slowly to fall on ice chest working face 15.Pay special attention to 3
When 3 gentle touchdown ice chest working face 15 of root support leg, notice that gantry crane rope not loosen completely, stops release gantry crane, this
When with level measurement tooling supporting block 17 and ice chest large flange surface whether keep horizontal.If not being able to maintain level, pay attention to adopting
It is leveled with adjustment base 1.
S130, height to the supporting leg for reducing equipment touch ice chest working face.
S140, supporting leg is rotated by first direction, equipment drops to ice chest working face.
S130 and S140 is complete machine whereabouts assembling stage.Specifically, slowly rotating supporting leg 3 counterclockwise in this stage, lead to
Cross 4 chain drive of sprocket wheel effect, 33 synchronous rotaries of supporting leg, the whole slowly decline of tooling.Fig. 3 show this moment typical case effect
Fruit sectional view.4 rotating cycle of sprocket wheel and angle are recorded by circular scale ruler 18 at this time, the moment calculates cryogenic mechanical 10 in axial direction
Upper installation misalignment, and the moment guarantees 3 rotation speeds of supporting leg≤20rpm.3 screw-in length of leg to be supported is close to estimate peace
After filling height, slow down 3 rotation speed of supporting leg, guarantees machine assembly dimensional tolerance.Pay special attention to support when complete machine fall stage
3 turns of leg motionless or lower end issues when colliding with grating, need to stop assembling and being promoted complete machine, check problem reason.
Above equipment assembly method further includes the tooling disassembly stage.Specifically, being installed in place in this stage cryogenic mechanical 10
Afterwards, according to locating rod 6, tensioning limiting cylinder 6, chain 11, upper support screw 7 and lower support screw 14, tooling supporting block 17 it is suitable
Sequence is dismantled all fixture components as shown in Figure 2.It is performed integrally the integrated positioning installation task of cryogenic mechanical 10 to be installed.
In addition, also providing the equipment method for dismounting using above equipment handling tooling of an embodiment, including following step
It is rapid:
S210, the surface that at least two pieces of tooling supporting blocks are mounted on to equipment, and fastened using fastener.
S220, supporting leg is rotated by second direction, equipment leaves ice chest working face.
S220, the location hole that locating rod is removed to flange working face, sling equipment and leave flange working face.
The S210 of above equipment method for dismounting is that tooling prepares erection stage.Preparation in the stage and equipment assembly method
The step of erection stage, is identical.In above equipment method for dismounting, need to rotate supporting leg 3 by second direction, to realize tooling
The whole slow rising with cryogenic mechanical 10.After complete machine is raised to preset height, entire machine is slowly vertically sling using gantry crane
Device is slowly moved to ground location.Tooling is finally removed, realizes a whole set of machinery equipment dismantlement work.
In above equipment assembly method and above equipment method for dismounting, the direction of rotation of supporting leg 3 is opposite.That is first direction
It is two opposite directions with second direction.
Above equipment assembly method is easy to operate, and steadily, assembly precision is higher, and service efficiency is high, and may be implemented cold
A variety of different mechanical handling requirements such as compressor or low temperature turbine.The crucial son of large-scale helium cryogenic refrigerating system is can effectively solve
The assembly problem of component low-temperature rotary machinery, meet the whole design size of low-temperature rotary mechanical impellor and spiral case, gap surplus,
The requirement of geometric tolerance, effectively solving cryogenic mechanical can not high-precision, stable, the problem efficiently assembled.
Above equipment method for dismounting is easy to operate, and steadily, service efficiency is high, and cold compressor may be implemented or low temperature is saturating
The a variety of different mechanical disassembly requirements of equality.Large-scale helium cryogenic refrigerating system key subassembly low-temperature rotary machine is can effectively solve
The disassembly problem of tool.
Above equipment loader assembly conjunction matches method and can guarantee that practical low-temperature rotary is mechanically integrated installation and maintenance
The dimensional accuracy that turns to match in disassembly process reaches whole design requirement.
The above is only the preferred embodiment of the present invention, it is noted that for those skilled in the art,
Without departing from the principles of the invention, several improvements and modifications can also be made, these improvements and modifications also should be regarded as this hair
Bright protection scope.
Claims (10)
1. a kind of equipment loads and unloads tooling, which is characterized in that including clamping fastening structure, axial adjustment structure and radially aligned knot
Structure；
The clamping fastening structure includes annular chuck and fastener, and the annular chuck includes at least two pieces of arc-shaped toolings
Supporting block, at least two pieces of tooling supporting blocks head and the tail are spliced to form the annular chuck, and the fastener is by the annular snap
Disk locking fastening；
The axial adjustment structure includes supporting leg, and the supporting leg is through the annular chuck, the supporting leg and the ring
Shape chuck is threadedly coupled；
The radially aligned structure includes locating rod, and the locating rod is through the annular chuck.
2. equipment as described in claim 1 loads and unloads tooling, which is characterized in that the axial adjustment structure further includes chain and chain
Wheel, described supporting leg one end are fixedly connected with the sprocket wheel, and the quantity of the supporting leg is at least two, the quantity of the sprocket wheel
It is at least two, the quantity of the sprocket wheel is identical with the quantity of the supporting leg, and the chain is sheathed at least two chain
On wheel.
3. equipment as claimed in claim 2 loads and unloads tooling, which is characterized in that the axial adjustment structure further includes tensioning limiting
Cylinder, the tensioning limiting cylinder are set on the annular chuck, and the tensioning limiting cylinder is used for the chain tension.
4. equipment as described in claim 1 loads and unloads tooling, which is characterized in that the axial adjustment structure further includes adjusting pad
, tapped blind hole is offered on the adjustment base, one end of the supporting leg is equipped with the spiral shell to match with the tapped blind hole
Line, the adjustment base is on the screw thread of one end of the supporting leg.
5. equipment as described in claim 1 loads and unloads tooling, which is characterized in that the fastener is chain type hoop, the chain
Formula hoop sleeve is set to the outside of the annular chuck.
6. equipment as described in claim 1 loads and unloads tooling, which is characterized in that the clamping fastening structure further includes upper supporting wire
Bar and lower support screw, the upper support screw and lower support screw are respectively arranged in two opposite tables of the annular chuck
Face.
7. a kind of equipment assembly method using such as equipment described in any one of claims 1 to 6 handling tooling, feature exist
In, comprising the following steps:
At least two pieces of tooling supporting blocks are mounted on to the surface of equipment, and are fastened using the fastener；
It slings the equipment and moves to flange working face, the locating rod is arranged in the positioning hole of the flange working face；
Height to the supporting leg for reducing the equipment touches ice chest working face；
The supporting leg to the equipment, which is rotated, by first direction drops to ice chest working face.
8. equipment assembly method as claimed in claim 7, which is characterized in that the height for reducing the equipment to the branch
Support leg further includes following steps after touching the step of ice chest working face:
It is arranged adjustment base close to one end of the ice chest working face in the supporting leg, offers screw thread on the adjustment base
Blind hole, one end of the supporting leg are equipped with the screw thread to match with the tapped blind hole, are set by adjusting the adjusting pad cover for seat
It is parallel with ice chest large flange surface so as to adjust the annular chuck in the depth in the supporting leg.
9. equipment assembly method as claimed in claim 7, which is characterized in that described to pacify at least two pieces of tooling supporting blocks
Further include following steps mounted in the surface of equipment, and after the step of being fastened using the clip:
Upper support screw and lower support screw is respectively set in two apparent surfaces of the annular chuck；
Support screw and lower support screw make it withstand on the upper supporting plane of the equipment and lower supporting plane respectively in control, and
It is fixed.
10. a kind of equipment method for dismounting using such as equipment described in any one of claims 1 to 6 handling tooling, feature
It is, comprising the following steps:
At least two pieces of tooling supporting blocks are mounted on to the surface of equipment, and are fastened using the fastener；
The supporting leg is rotated by second direction, the equipment leaves ice chest working face；
The location hole that the locating rod is removed to flange working face, slings the equipment and leaves flange working face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810947758.4A CN109015484B (en) | 2018-08-20 | 2018-08-20 | Equipment loading and unloading tool, equipment assembling method and equipment disassembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810947758.4A CN109015484B (en) | 2018-08-20 | 2018-08-20 | Equipment loading and unloading tool, equipment assembling method and equipment disassembling method |
Publications (2)
| Publication Number | Publication Date |
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| CN109015484A true CN109015484A (en) | 2018-12-18 |
| CN109015484B CN109015484B (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810947758.4A Active CN109015484B (en) | 2018-08-20 | 2018-08-20 | Equipment loading and unloading tool, equipment assembling method and equipment disassembling method |
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| CN (1) | CN109015484B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111447723A (en) * | 2020-04-09 | 2020-07-24 | 西北核技术研究院 | Knife edge sealing type quick-release flange assembly applied to accelerator vacuum system |
| CN111702727A (en) * | 2020-08-19 | 2020-09-25 | 山东奥新医疗科技有限公司 | Device for assembling magnet and magnet assembling process |
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| US20120119450A1 (en) * | 2009-05-20 | 2012-05-17 | Tsuyoshi Komine | Chuck device |
| CN203495863U (en) * | 2013-08-23 | 2014-03-26 | 广汽本田汽车有限公司 | Special dismounting tool for X-type servo welding gun holding rod |
| CN107745361A (en) * | 2017-12-04 | 2018-03-02 | 南京磁谷科技有限公司 | There is the handling frock of jackscrew hole workpiece in magnetic suspension air blower casing |
| CN208773411U (en) * | 2018-08-20 | 2019-04-23 | 中国科学院理化技术研究所 | A kind of equipment handling tooling |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120119450A1 (en) * | 2009-05-20 | 2012-05-17 | Tsuyoshi Komine | Chuck device |
| CN203495863U (en) * | 2013-08-23 | 2014-03-26 | 广汽本田汽车有限公司 | Special dismounting tool for X-type servo welding gun holding rod |
| CN107745361A (en) * | 2017-12-04 | 2018-03-02 | 南京磁谷科技有限公司 | There is the handling frock of jackscrew hole workpiece in magnetic suspension air blower casing |
| CN208773411U (en) * | 2018-08-20 | 2019-04-23 | 中国科学院理化技术研究所 | A kind of equipment handling tooling |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111447723A (en) * | 2020-04-09 | 2020-07-24 | 西北核技术研究院 | Knife edge sealing type quick-release flange assembly applied to accelerator vacuum system |
| CN111447723B (en) * | 2020-04-09 | 2022-06-03 | 西北核技术研究院 | Knife edge sealing type quick-release flange assembly applied to accelerator vacuum system |
| CN111702727A (en) * | 2020-08-19 | 2020-09-25 | 山东奥新医疗科技有限公司 | Device for assembling magnet and magnet assembling process |
| CN111702727B (en) * | 2020-08-19 | 2020-12-04 | 山东奥新医疗科技有限公司 | Device for assembling magnet and magnet assembling process |
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| Publication number | Publication date |
|---|---|
| CN109015484B (en) | 2023-07-14 |
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