CN106870246A - A kind of impeller shade assembly assembly method - Google Patents
A kind of impeller shade assembly assembly method Download PDFInfo
- Publication number
- CN106870246A CN106870246A CN201710007549.7A CN201710007549A CN106870246A CN 106870246 A CN106870246 A CN 106870246A CN 201710007549 A CN201710007549 A CN 201710007549A CN 106870246 A CN106870246 A CN 106870246A
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- China
- Prior art keywords
- cover
- impeller
- interior insulation
- steel sleeve
- insulation bushing
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/02—Casings
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of impeller shade assembly assembly method, belong to hydraulic jet propulsion system processing method field.Methods described includes：The first end of the impeller cover of tubular is arranged in support positioning plates；At least two Positioning arc plates are arranged in support positioning plates, and the inwall of at least two Positioning arc plates laminating impeller cover is placed；In inwall press-in impeller cover by cover interior insulation bushing along impeller cover, until the first end of cover interior insulation bushing connects with Positioning arc plate；In inwall press-in cover interior insulation bushing by steel sleeve in cover along cover interior insulation bushing, until the first end of steel sleeve connects with Positioning arc plate in cover, pressing plate is arranged in the second end of cover interior insulation bushing and cover on the second end of steel sleeve, pressing plate and impeller cover are connected by the second fastener.Methods described improves the success rate of assembling, and the position of steel sleeve in cover interior insulation bushing and cover is only finely tuned by the later stage, reduces the workload of assembling, shortens assembly period, improves efficiency.
Description
Technical field
The present invention relates to hydraulic jet propulsion system processing method field, more particularly to a kind of impeller shade assembly assembly method.
Background technology
Hydraulic jet propulsion system is a kind of power set of the marine equipments such as ship, and it is mainly by high from stern by water
Speed is sprayed so as to produce injection water, the propulsion of ship is realized using the reaction force of injection water, and can be sprayed by changing
The injection direction of current realizes the positive boat of ship, the operations such as boat, traversing, oblique shifting or pivot stud of falling.
Impeller shade assembly is one of primary clustering of hydraulic jet propulsion system, and impeller shade assembly is included in impeller cover, cover absolutely
Steel sleeve in edge bushing and cover, cover interior insulation bushing is arranged in impeller cover, and steel sleeve is arranged on cover interior insulation bushing in cover
Interior, the gap in cover between steel sleeve and impeller is one of principal element of influence hydraulic jet propulsion system efficiency.In impeller chimney group
When part is assembled, cover interior insulation bushing is first cut, then cover interior insulation bushing is installed in impeller cover, then by the cover polished
Interior steel sleeve is directly pressed into cover interior insulation bushing by force.
Realize it is of the invention during, inventor find prior art at least there is problems with：
Because cover interior insulation bushing and impeller cover are loose fit, the interior steel sleeve of cover is with cover interior insulation bushing for interference is matched somebody with somebody
Close, this causes that the assembly difficulty of impeller shade assembly is very big.Often there is cover interior insulation lining in existing impeller shade assembly assembly method
Cover to deform serious, distortion dislocation, lean out impeller cover or cover interior steel sleeve and enter difficult problem, cause impeller shade assembly to assemble
Success rate it is low and efficiency is low.
The content of the invention
In order to solve problem of the prior art, a kind of impeller shade assembly assembly method is the embodiment of the invention provides.It is described
Technical scheme is as follows：
The invention provides a kind of impeller shade assembly assembly method, it is adaptable to assemble impeller shade assembly, the impeller chimney group
Part assembly method includes：
The first end of the impeller cover of tubular is arranged in support positioning plates, by the first fastener by the impeller chimney
Shell is fixed in the support positioning plates.
Arrange at least two Positioning arc plates in the support positioning plates, and at least two Positioning arc plate is fitted institute
State impeller cover inwall place, and at least two Positioning arc plate centered on the center line of the impeller cover circumferentially
Direction uniform intervals arrangement.
Cover interior insulation bushing is pressed into the impeller cover along the inwall of the impeller cover, until the cover interior insulation
The first end of bushing connects with the Positioning arc plate.
Steel sleeve in cover is pressed into the cover interior insulation bushing along the inwall of the cover interior insulation bushing, until the cover
The first end of interior steel sleeve connects with the Positioning arc plate.
The Positioning arc plate is removed by the first end of steel sleeve in the cover interior insulation bushing and the cover.
Pressing plate is arranged in the second end of the cover interior insulation bushing and the cover on the second end of steel sleeve, will be described
Pressing plate and the impeller cover are connected by the second fastener, drive the pressing plate to make institute in the presence of second fastener
State steel sleeve in cover interior insulation bushing and the cover to be together pressed into the impeller cover, until the of the cover interior insulation bushing
The first end of steel sleeve is concordant with the first end of the impeller cover in one end, the cover.
Specifically, it is described that cover interior insulation bushing is pressed into the impeller cover along the inwall of the impeller cover, until
The first end of the cover interior insulation bushing connects with the Positioning arc plate, including：Square plate long is positioned over the cover interior insulation lining
On second end of set so that the square plate long is arranged and described along the first straight line overlapped with the diameter of the cover interior insulation bushing
The two ends of square plate long apply pressure across the cover interior insulation bushing to the middle part of the square plate long, serve as a contrast the cover interior insulation
Set is relative to impeller cover movement；
The square plate long is rotated by pivot of the center of the cover interior insulation bushing again, in the square plate long
Portion applies pressure, the cover interior insulation bushing is moved relative to the impeller cover.
The square plate long is rotated by pivot of the center of the square plate long repeatedly, and to the middle part of the square plate long
Apply pressure, until the first end of the cover interior insulation bushing connects with the Positioning arc plate.
Further, it is described that steel sleeve in cover is pressed into the cover interior insulation bushing along the inwall of the cover interior insulation bushing
It is interior, until the first end of steel sleeve connects with the Positioning arc plate in the cover, including：The square plate long is positioned over the cover
On second end of interior steel sleeve so that the square plate long arranged along the second straight line overlapped with the diameter of steel sleeve in the cover and
The two ends of the square plate long apply pressure across steel sleeve in the cover to the middle part of the square plate long, make steel lining in the cover
Set is relative to impeller cover movement.
The square plate long is rotated by pivot of the center of steel sleeve in the cover again, to the middle part of the square plate long
Apply pressure, steel sleeve in the cover is moved relative to the impeller cover.
The square plate long is rotated by pivot of the center of steel sleeve in the cover repeatedly, in the square plate long
Portion applies pressure, until when steel sleeve moves down difficulty in the cover, short square plate to be positioned over the second end of steel sleeve in the cover
On, and the short square plate length of the length less than the square plate long, by the short square plate along with the cover steel sleeve it is straight
The 3rd straight line and one end of the short square plate that footpath overlaps are arranged on the second end of the cover interior insulation bushing, and to institute
State short square plate and apply pressure, steel sleeve in the cover is moved relative to the impeller cover.
Again by the short square plate along the 4th straight line and the short square plate overlapped with the diameter of steel sleeve in the cover
One end be arranged on the second end of steel sleeve in the cover, apply pressure to the short square plate, make steel sleeve phase in the cover
The impeller cover is moved, until the first end of steel sleeve connects with the Positioning arc plate in the cover.
Further, the short square plate is moved along the circumferencial direction at the second end of steel sleeve in the cover, and to institute
When stating short square plate and applying pressure, if in the cover steel sleeve the second end relative to the impeller cover the second end not usually,
The short square plate is positioned at the protrusion at the second end of steel sleeve in the cover, applies pressure to the short square plate, until institute
State second end of second end parallel to the impeller cover of steel sleeve in cover.
Further, the square plate long with the center of steel sleeve in the cover be the pivot anglec of rotation be 90 °.
Specifically, multiple plate holes are offered on the pressing plate, the outer wall of the impeller cover is provided with the first outward flange
With the second outward flange, first outward flange and second outward flange respectively positioned at the two ends of the impeller cover, described the
Multiple first through hole are provided with one outward flange, the plate hole is engaged with the first through hole, second fastener is
Multiple, each described second fastener includes bolt and the nut being engaged with the bolt, and the bolt passes through corresponding
It is connected through a screw thread with the nut after the plate hole and the first through hole.
Further, when steel sleeve is together pressed into the impeller cover in the cover interior insulation bushing and the cover,
Apply pressure to the interface side of steel sleeve in the cover, the interface side is after the cover interior insulation bushing is rolled into tubular,
With the side of the diameter parallel of the cover interior insulation bushing.
Specifically, before the cover interior insulation bushing being pressed into the impeller cover, first the cover interior insulation bushing is pre-installed
Enter in the impeller cover, the prepackage method includes：The cover interior insulation bushing for launching is rolled into tubular, and prunes described
With the side of the diameter parallel of the cover interior insulation bushing on cover interior insulation bushing, external diameter and the leaf of the cover interior insulation bushing
The internal diameter for taking turns case is engaged.
Further, drawstring is installed in the Positioning arc plate, pulls the drawstring to remove the Positioning arc plate.
Further, pulley is installed in the support positioning plates, is wrapped in the middle part of the drawstring on the pulley, institute
The drawstring stated between Positioning arc plate and the pulley is horizontally disposed.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：Impeller chimney group provided in an embodiment of the present invention
Part assembly method, impeller cover is fixed in support positioning plates, so as to avoid impeller cover in assembling process
Vibration is trembleed, and one end of cover interior insulation bushing connects with Positioning arc plate, Positioning arc plate is played support to cover interior insulation bushing
The effect of positioning and stop, it is to avoid cover interior insulation bushing distorts in steel sleeve installation process in cover and to move down, lean out impeller chimney
Shell and can not intactly be arranged on impeller cover in problem, when cover interior insulation bushing and cover in steel sleeve simultaneously with position arc
When plate connects, then Positioning arc plate is withdrawn from, pressed steel sleeve in cover interior insulation bushing and cover together by pressing plate and the second fastener
Enter in impeller cover, the process can ensure the press-in of steel sleeve one and uniform force in cover interior insulation bushing and cover, so that leaf
Wheel case, cover interior insulation bushing and in cover steel sleeve three bottom end face edging, and then greatly reduce cover interior insulation bushing and
The dislocation and deformation of steel lining inner room, improve the success rate of assembling in cover, are only finely tuned in cover interior insulation bushing and cover by the later stage
The position of steel sleeve, reduces the workload of assembling, shortens assembly period, improves processing efficiency, it is easy to be generalized to
In other similar assembling process.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of impeller shade assembly provided in an embodiment of the present invention；
Fig. 2 is that the first end of impeller cover provided in an embodiment of the present invention is arranged in the structural representation of support positioning plates；
Fig. 3 is the structural representation that Positioning arc plate is arranged in support positioning plates provided in an embodiment of the present invention；
Fig. 4 is the structural representation of the cover interior insulation bushing of expansion provided in an embodiment of the present invention；
Fig. 5 is the structural representation that square plate long provided in an embodiment of the present invention is positioned on the second end of cover interior insulation bushing
Figure；
Fig. 6 is the installation diagram that cover interior insulation bushing provided in an embodiment of the present invention connects with Positioning arc plate；
Fig. 7 be it is provided in an embodiment of the present invention by square plate long by cover steel sleeve be pressed into cover interior insulation bushing structure show
It is intended to；
Fig. 8 be it is provided in an embodiment of the present invention by short square plate by cover steel sleeve be pressed into cover interior insulation bushing structure show
It is intended to；
Fig. 9 is the structural representation after Positioning arc plate provided in an embodiment of the present invention is removed；
Figure 10 is that pressing plate provided in an embodiment of the present invention is arranged in steel sleeve in the second end of cover interior insulation bushing and cover
Structural representation on second end；
Figure 11 is the structural representation that steel sleeve is installed in place in cover interior insulation bushing provided in an embodiment of the present invention and cover；
Figure 12 is the fit structure schematic diagram of square plate long provided in an embodiment of the present invention and steel sleeve in cover；
Figure 13 is the structural representation that steel sleeve coordinates in short square plate provided in an embodiment of the present invention and cover；
Figure 14 is method flow diagram provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
For the ease of understanding the embodiment of the present invention, the impeller shade assembly of molding assembly is first simply introduced with reference to Fig. 1 below
Structure.As shown in figure 1, the impeller shade assembly of molding assembly includes steel in impeller cover a, the cover interior insulation bushing b of tubular and cover
Bushing c, cover interior insulation bushing b are arranged in impeller cover a, and steel sleeve c is arranged in cover interior insulation bushing b in cover, impeller chimney
The outer wall of shell a is provided with the first outward flange and the second outward flange, and the first outward flange and the second outward flange are located at impeller cover a respectively
Two ends, first through hole a2 is provided with the first outward flange, the second outward flange is provided with the second through hole a3, first through hole a2 and
Along the axially extending of impeller cover a, the two ends of impeller cover a are provided with seam a1 to two through hole a3.
Impeller shade assembly assembly method provided in an embodiment of the present invention coordinates completion by the assembly tooling of impeller shade assembly, is
The embodiment of the present invention is readily appreciated, the structure for simply introducing impeller shade assembly assembly tooling is first combined below.
Impeller shade assembly assembly tooling includes：Support positioning component, bushing support positioning component and pressure assembly in advance.
Fig. 2 to Figure 11 is respectively the use state figure of impeller shade assembly assembly tooling.As shown in Fig. 2-Figure 11, support positioning
Component includes：Carry the fastener 2 of support positioning plates 1 and first of one end of impeller cover a, the first fastener 2 be configured as by
One end of impeller cover a is fixed in support positioning plates 1.Wherein, first with impeller cover a is provided with support positioning plates 1
Through hole a2 corresponding support positioning plates through hole 1b.
Bushing supports the positioning component to include in advance：The bushing of drawstring hanger 3 and at least two supports positioning unit, drawstring hanger in advance
3 are fixed in support positioning plates 1, for example, can be welded in support positioning plates 1.At least two bushings support positioning surrounding in advance
The arranged for interval of drawstring hanger 3.Each bushing supports the positioning unit to include in advance：Positioning arc plate 4 and drawstring 5.Positioning arc plate 4 is arranged
In support positioning plates 1 and the inwall of laminating impeller cover a is placed, the first end of drawstring 5 is arranged in Positioning arc plate 4, drawstring 5
The second end be arranged on drawstring hanger 3 on (the second end of drawstring 5 can be hung on drawstring hanger 3), drawstring 5 is configured as outside
Power effect is lower to pull Positioning arc plate 4.
Pressure assembly includes：Square plate long 11 (see Fig. 5), short square plate 12 (see Fig. 8), pressing plate 8 (see Fig. 9) and the second fastener
9 (see Fig. 9).Square plate long 11 is configured as under external force will be interior exhausted up to covering in cover interior insulation bushing b press-in impeller covers a
One end of edge bushing b connects with Positioning arc plate 4, and short square plate 12 is configured as under external force will the interior steel sleeve c press-ins cover of cover
In interior insulation bushing b, until one end of steel sleeve c connects with Positioning arc plate 4 in cover, the second fastener 9 connection pressing plate 8 and impeller
Case a, the second fastener 9 is configured as band dynamic pressure plate 8 under external force and is moved relative to impeller cover a, wherein, on pressing plate 8
It is provided with the plate hole 8a corresponding with the second through hole a2 of impeller cover a.
The assembly tooling of impeller shade assembly can in advance support positioning unit including four bushings, and four Positioning arc plates 4 are arranged in
Orthogonal two diametrically on impeller cover a.It can also be two or three that the bushing supports positioning unit in advance, each along
The circumference equidistant placement of impeller cover a, the multiple bushings of arrangement support the positioning unit being capable of preferably support cover interior insulation bushing b in advance
With steel sleeve c in cover.
The embodiment of the invention provides a kind of impeller shade assembly assembly method, it is adaptable to assemble impeller chimney as shown in Figure 1
Component, Figure 14 is the flow chart of impeller shade assembly assembly method provided in an embodiment of the present invention.As shown in figure 14, the impeller chimney group
Part assembly method includes：
Step 1：The first end of the impeller cover of tubular is arranged in support positioning plates, by the first fastener by impeller
Case is fixed in support positioning plates.
Fig. 2 is the installation diagram of impeller cover a and support positioning plates 1.As shown in Fig. 2 the step 1 can include following step
Suddenly：
The first end of impeller cover a is positioned in support positioning plates 1, wheel rotor case a make the second through hole a3 with it is right
The support positioning plates through hole 1b for answering is alignd, and first through hole a2 and support positioning plates through hole 1b is passed through by leaf using the first fastener 2
Wheel case a and support positioning plates 1 are fixed together.
In the present embodiment, the first fastener 2 can be bolt, be provided with support positioning plates through hole 1b and the bolt phase
The screw thread of cooperation.In other embodiments, the first fastener 2 can also be clamping element, such as clip.
Step 2：Arrange at least two Positioning arc plates in support positioning plates, and at least two Positioning arc plates are fitted impeller
The inwall of case is placed, and at least two Positioning arc plates along the circumferential direction uniform intervals cloth centered on the center line of impeller cover
Put.
The step 2 may comprise steps of：
Step 201：The raised 1a being engaged with the seam a1 of impeller cover a is processed in support positioning plates 1, Fig. 3 is support
The installation diagram of location-plate and Positioning arc plate.As shown in figure 3, in assembling, the seam a1 of impeller cover a is installed on into support positioning
On the raised 1a of plate 1.Raised 1a is prevented from impeller cover a to be occurred to vibrate or trembles in assembling process.
Step 3：In inwall press-in impeller cover by cover interior insulation bushing along impeller cover, until cover interior insulation bushing
First end connects with Positioning arc plate.
Specifically, the step 3 may comprise steps of：
Step 301：Before by cover interior insulation bushing b press-in impeller covers a, cover interior insulation bushing b is first pre-loaded into impeller chimney
In shell a, prepackage method includes：Cover interior insulation bushing b (referring to Fig. 4) for launching is rolled into tubular, and prunes cover interior insulation bushing b
The interface side b1 of the diameter parallel of upper and cover interior insulation bushing b, until the external diameter of cover interior insulation bushing b is interior with impeller cover a
Footpath is engaged, during pruning, it may be necessary to prune and attempt to be pre-loaded into cover interior insulation bushing b in impeller cover a repeatedly,
Untill the size for being trimmed to cover interior insulation bushing b is suitable.Need to ensure that cover interior insulation bushing b can be with impeller chimney during pruning
The inwall major part region contact of shell a, gap has been allowed in part, but gap is small, and for example gap is less than 0.2mm, meanwhile,
Also to ensure that cover interior insulation bushing b can not be by free-falling on impeller cover a.
Step 302：Square plate long 11 is positioned on second end of cover interior insulation bushing b so that square plate long 11 along with cover in
First straight line arrangement that the diameter of insulating bushing b the overlaps and two ends of square plate long 11 are across cover interior insulation bushing b, Fig. 5 is rectangular
Plate 11 is positioned over the structural representation on second end of cover interior insulation bushing b.As shown in figure 5, applying to the middle part of square plate long 11
Pressure, makes cover interior insulation bushing b be moved relative to impeller cover a.By taking impeller cover a of the internal diameter less than 660mm as an example, distance is moved down
Can be 30mm.
In the present embodiment, use copper rod gently to tap square plate long 11 to realize applying pressure to square plate long 11.
Step 303：Square plate long 11 is rotated by pivot of the center of cover interior insulation bushing b again, to square plate long 11
Middle part applies pressure, cover interior insulation bushing b is moved relative to impeller cover a, for example, move down 30mm.
Step 304：Repeat step 303, i.e., repeatedly revolve square plate long 11 by pivot of the center of cover interior insulation bushing b
Turn, and apply pressure to the middle part of square plate long 11, until the first end of cover interior insulation bushing b connects with Positioning arc plate 4, referring to figure
6, Fig. 6 is the installation diagram of cover interior insulation bushing b and Positioning arc plate 4.
In assembling process, when cover interior insulation bushing b the second end substantially not with impeller cover a second hold row level with both hands when,
Or, when the interface side b1 of cover interior insulation bushing b occurs serious misalignment, square plate long 11 can be placed on cover interior insulation bushing b's
At second end, second end of cover interior insulation bushing b is set to hold row level with both hands with the second of impeller cover a by tapping square plate long 11, meanwhile,
Can also be smooth by the interface side b1 of cover interior insulation bushing b arrangements.
Step 4：In inwall press-in cover interior insulation bushing by steel sleeve in cover along cover interior insulation bushing, until steel lining in cover
The first end of set connects with Positioning arc plate.
Specifically, the step 4 may comprise steps of：
Step 401：Steel sleeve c in the cover of roll-forming is pre-loaded into cover interior insulation bushing b, according to prepackage situation, instead
The interface side of steel sleeve c in strike-on mill cover, until the first end of steel sleeve c can just be installed in cover interior insulation bushing b in cover,
And steel sleeve c needs to meet in cover interior insulation bushing b and cover：The inwall of the outer wall of steel sleeve c and cover interior insulation bushing b in cover
More than 95% region contact, allows the presence of gap in part, but gap is small, and for example gap is less than 0.1mm, meanwhile, also
Ensure that covering interior steel sleeve c is unable to free-falling.Wherein, the interface side of steel sleeve c is that steel sleeve c in cover is rolled into cylinder in covering
After shape, the side with the diameter parallel of steel sleeve c in cover.
Generally, in impeller cover a process, brush paint is needed for the impeller cover a surfaces after shaping, for preventing
Only impeller cover a gets rusty, but, due to domestic traditional painting technology it cannot be guaranteed that paint thickness and reason on impeller cover a
Consistent by desired paint thickness, the depth information that therefore, it can be painted according to impeller cover a is reserved to steel sleeve c in cover
Allowance, in the present embodiment, in the cover of expansion the blank length of steel sleeve c compared to theoretical length to reserve it is certain more than
Amount, by taking impeller shade assembly of the internal diameter of impeller cover a less than 660mm as an example, can reserve the surplus of 3mm.Further, it is also possible to right
Steel sleeve c carries out reconditioning burr treatment in cover.
Step 402：Square plate long 11 is positioned on second end of steel sleeve c in cover so that square plate long 11 along with steel in cover
Second straight line arrangement that the diameter of bushing c the overlaps and two ends of square plate long 11 are across steel sleeve c in cover, Fig. 7 is by square plate long
11 by the structural representation of steel sleeve c press-in cover interior insulation bushings b in cover, as shown in fig. 7, applying pressure to the middle part of square plate long 11
Power, makes steel sleeve c in cover be moved relative to impeller cover a, and in the present embodiment, steel sleeve c can be moved with respect to impeller cover a in cover
Dynamic 5cm or so.
Specifically, during pressure is applied, "painted-face" character in opera free-falling at H1 above steel sleeve c in cover can be used,
Wherein, H1=1/10H, H are the height of steel sleeve in cover.
Step 403：Square plate long 11 is rotated by pivot of the center of steel sleeve c in cover again, in square plate long 11
Portion applies pressure, steel sleeve c in cover is moved relative to impeller cover a, for example, move 5cm.
During implementation, square plate long 11 can be for 90 ° by the pivot anglec of rotation of the center of steel sleeve c in cover.
Step 404：Repeat step 403, i.e., repeatedly revolve square plate long 11 by pivot of the center of steel sleeve c in cover
Turn.Figure 12 is the fit structure schematic diagram of square plate long 11 provided in an embodiment of the present invention and steel sleeve c in cover.As shown in figure 12,
Apply pressure to the middle part of square plate long 11, until when steel sleeve c moves down difficulty in cover.Fig. 8 is that will cover interior steel by short square plate 12
Bushing c press-in cover interior insulation bushings b.As shown in figure 8, short square plate 12 is positioned on second end of steel sleeve c in cover, and short side
The length of plate 12 is less than the length of square plate long 11, the 3rd straight line cloth that short square plate 12 is overlapped along the diameter of steel sleeve c in cover
Put and one end of short square plate 12 is arranged on second end of cover interior insulation bushing b, and apply pressure to short square plate 12, make steel in cover
Bushing c is moved relative to impeller cover a, for example, move 2mm.When realizing, one end of short square plate 12 can be arranged in steel in cover
On bushing c, the other end of short square plate 12 is hand-held by operator.
Short square plate 12 is overlapped along the diameter with steel sleeve c in cover the 4th straight line and one end cloth of short square plate 12 again
Put on second end of the steel sleeve c in cover.Figure 13 is that steel sleeve c coordinates in short square plate 12 provided in an embodiment of the present invention and cover
Structural representation.As shown in figure 13, apply pressure to short square plate 12, steel sleeve c in cover is moved relative to impeller cover a, until
The first end of steel sleeve c connects with Positioning arc plate 4 in cover.
During implementation, the 3rd straight line and the 4th straight line can be arranged vertically, and the 3rd straight line and the 4th straight line intersection point with cover
The axis of interior steel sleeve c overlaps.
Specifically, short square plate 12 is moved along the circumferencial direction at second end of steel sleeve c in cover, and is applied to short square plate 12
During plus-pressure, if second end of second end relative to impeller cover a of steel sleeve c is not usually in cover, short square plate 12 is positioned over
In cover at the protrusion at second end of steel sleeve c, pressure is applied to short square plate 12, until in cover steel sleeve c the second end parallel to
Second end of impeller cover a, wherein, the steel lining in cover that steel sleeve c in cover is produced due to compressional deformation is referred at protrusion
Second end of set c is locally higher than the position of the second end other parts of steel sleeve c in cover.
During implementation, short square plate 12 can be sequentially arranged on impeller cover a orthogonal two diametrically.
Step 5：Positioning arc plate is removed by the first end of steel sleeve in cover interior insulation bushing and cover.
Specifically, the structural representation after Fig. 9 is removed for Positioning arc plate, as shown in figure 9, being provided with Positioning arc plate 4
Drawstring 5, pulls drawstring 5 to remove Positioning arc plate 4.When simultaneously steel sleeve connects with Positioning arc plate in cover interior insulation bushing and cover
When, drawstring 5 can be convenient and easy to withdraw from Positioning arc plate 4 from installation position, for steel sleeve c is last in cover interior insulation bushing b and cover
Be co-mounted to a vacating space.When implementing, wing plate 4a can be set in Positioning arc plate 4, drawing is offered on wing plate 4a
Dog hole, the first end of drawstring 5 is provided with drag hook 5a, and drag hook 5a is hooked on drag hook hole.Can by setting drag hook hole and drag hook 5a
Fast assembling-disassembling Positioning arc plate 4 and drawstring 5.In the present embodiment, pulley 6 is installed, the middle part of drawstring 5 twines in support positioning plates 1
It is wound on pulley 6, the drawstring 5 between Positioning arc plate 4 and pulley 6 is horizontally disposed.It is arranged so as to that drawstring 5 can be easy to pull positioning
Arc plate 4.Further, wing plate 4a is specifically as follows the plank turned down out in Positioning arc plate 4, and wing plate 4a middle parts offer diameter
It is the drag hook hole of 20mm, and the upper surface of wing plate 4a at least differs 5~10mm (drag hook 5a is higher by wing plate with the bottom of pulley 6
The upper surface certain distance of 4a), so ensure that drag hook 5a is hung on drag hook hole, the pulling force of drag hook 5a and drawstring 5 is level
Pulling force.Additionally, there is certain distance bottom surface of the lower surface of wing plate 4a away from Positioning arc plate 4, so that drag hook 5a is relatively easily installed
In drag hook hole.Wherein, drag hook 5a can be bent by the round steel of diameter 5mm and be formed.
Specifically, when drawstring 5 does not pull Positioning arc plate 4, drawstring 5 can be relaxed state and hang on drawstring hanger 3.
Step 6：Pressing plate is arranged in the second end of cover interior insulation bushing and cover on the second end of steel sleeve, by pressing plate and
Impeller cover is connected by the second fastener, and band dynamic pressure plate makes steel in cover interior insulation bushing and cover in the presence of the second fastener
Bushing is together pressed into impeller cover, until the first end and impeller cover of the interior steel sleeve of the first end of cover interior insulation bushing, cover
First end it is concordant.
Specifically, Figure 10 is that pressing plate 8 is arranged in second end of cover interior insulation bushing b and cover on second end of steel sleeve c
Structural representation.As shown in Figure 10, multiple plate hole 8a are offered on pressing plate 8, plate hole 8a is engaged with first through hole a2,
Second fastener 9 can be multiple, and each second fastener 9 includes bolt and the nut being engaged with bolt, and bolt is passed through
It is connected through a screw thread with nut after corresponding plate hole 8a and first through hole a2.In the present embodiment, by tightening along impeller chimney
Second fastener 9 of the circumferencial direction equidistant placement of shell a, makes steel sleeve c in cover interior insulation bushing b and cover together be pressed into impeller chimney
In shell a.Meanwhile, when steel sleeve c is together pressed into impeller cover a in cover interior insulation bushing b and cover, to steel sleeve c in cover
Interface side applies pressure.
Generally, four first through hole a2 and four the second through hole a3 are set on impeller cover a, therefore, the He of the first fastener 2
Second fastener 9 corresponds to four, four reference circle sizes of the first fastener 2 respectively with four first of impeller cover a
The reference circle size of through hole a2 is consistent, and four second respectively with impeller cover a are led to for four reference circle sizes of the second fastener 9
The reference circle size of hole a3 is consistent.
In assembling, the uniform force of pressing plate 8 and impeller cover a is ensure that by controlling the distance of bolt precession, together
When it is easy to disassemble.Specifically, each swivel bolt two is enclosed, when first of steel sleeve c in the first end and cover of cover interior insulation bushing b
When end is apart from one segment distance of first end of impeller cover a, such as 10mm is changed to the circle of swivel bolt one.Meanwhile, rotating every time
After bolt, the interface side of steel sleeve c in cover is all tapped using copper rod or wooden mallet, the interface side of steel sleeve c in cover is kept smooth,
For reducing the misalignment on the interface side of steel sleeve c, the probability of cover interior insulation bushing b crimps, degree and cover interior insulation in cover
Probability, the degree of bushing b axile displacements.
When implementing, by the center alignment of the center of pressing plate 8 and steel sleeve c in cover, rotate pressing plate 8 make plate hole 8a with it is right
The first through hole a2 for answering aligns, and with impeller cover a be connected pressing plate 8 again by the second fastener 9.
Step 7：When pressing plate is moved to the second end of impeller cover, it is ensured that pressing plate is fitted with impeller cover major part, office
Portion allows the gap of below 0.2mm.Figure 11 is cover interior insulation bushing b and covers the structural representation that interior steel sleeve c is installed in place.
As shown in figure 11, cover interior insulation bushing b and the interior steel sleeve c of cover are installed in place, and remove impeller shade assembly assembly tooling, obtain such as figure
Impeller shade assembly shown in 1.
Step 8：The impeller shade assembly that observation is obtained, if there is the situation of local high spot or axile displacement, if in the presence of,
Pruning polishing is carried out to the cover interior insulation bushing b on impeller shade assembly.
Impeller shade assembly assembly method provided in an embodiment of the present invention, support positioning plates are fixed on by impeller cover
On, so as to avoid vibration or vibration of the impeller cover in assembling process, one end and the Positioning arc plate phase of cover interior insulation bushing
Connect, Positioning arc plate is played a part of support positioning and stop to cover interior insulation bushing, it is to avoid cover interior insulation bushing is in cover
Distortion is moved down, leans out impeller cover and the problem that can not be intactly arranged in impeller cover in steel sleeve installation process, when
Steel sleeve connects with Positioning arc plate in cover interior insulation bushing and cover simultaneously when, then Positioning arc plate is withdrawn from, it is tight by pressing plate and second
Together be pressed into impeller cover steel sleeve in cover interior insulation bushing and cover by firmware, and the process can ensure cover interior insulation bushing and cover
The press-in of interior steel sleeve one and uniform force, so that the bottom of impeller cover, cover interior insulation bushing and the interior steel sleeve three of cover
End face edging, and then greatly reduce the dislocation and deformation of steel lining inner room in cover interior insulation bushing and cover, improve the success of assembling
Rate, only finely tunes the position of steel sleeve in cover interior insulation bushing and cover by the later stage, reduces the workload of assembling, shortens
Assembly period, improve processing efficiency, it is easy to be generalized in other similar assembling process.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of impeller shade assembly assembly method, it is adaptable to assemble impeller shade assembly, it is characterised in that the impeller shade assembly dress
Method of completing the square includes：
The first end of the impeller cover of tubular is arranged in support positioning plates, is consolidated the impeller cover by the first fastener
It is scheduled in the support positioning plates；
Arrange at least two Positioning arc plates in the support positioning plates, and at least two Positioning arc plate is fitted the leaf
Take turns case inwall place, and at least two Positioning arc plate centered on the center line of the impeller cover along the circumferential direction
Uniform intervals are arranged；
Cover interior insulation bushing is pressed into the impeller cover along the inwall of the impeller cover, until the cover interior insulation bushing
First end connect with the Positioning arc plate；
Steel sleeve in cover is pressed into the cover interior insulation bushing along the inwall of the cover interior insulation bushing, until steel in the cover
The first end of bushing connects with the Positioning arc plate；
The Positioning arc plate is removed by the first end of steel sleeve in the cover interior insulation bushing and the cover；
Pressing plate is arranged in the second end of the cover interior insulation bushing and the cover on the second end of steel sleeve, by the pressing plate
Connected by the second fastener with the impeller cover, drive the pressing plate to make the cover in the presence of second fastener
Steel sleeve is together pressed into the impeller cover in interior insulation bushing and the cover, until the first of the cover interior insulation bushing
The first end of steel sleeve is concordant with the first end of the impeller cover in end, the cover.
2. impeller shade assembly assembly method according to claim 1, it is characterised in that it is described by cover interior insulation bushing along institute
The inwall for stating impeller cover is pressed into the impeller cover, until the first end of the cover interior insulation bushing and the Positioning arc plate
Connect, including：
Square plate long is positioned on the second end of the cover interior insulation bushing so that the square plate long is served as a contrast along with the cover interior insulation
First straight line arrangement that the diameter of set the overlaps and two ends of the square plate long are across the cover interior insulation bushing, to the square plate long
Middle part apply pressure, the cover interior insulation bushing is moved relative to the impeller cover；
Again by the square plate long with the center of the cover interior insulation bushing be pivot rotation, to being applied in the middle part of the square plate long
Plus-pressure, makes the cover interior insulation bushing be moved relative to the impeller cover；
The square plate long is rotated by pivot of the center of the cover interior insulation bushing repeatedly, and in the square plate long
Portion applies pressure, until the first end of the cover interior insulation bushing connects with the Positioning arc plate.
3. impeller shade assembly assembly method according to claim 2, it is characterised in that it is described will in cover steel sleeve along described
The inwall of cover interior insulation bushing is pressed into the cover interior insulation bushing, until the first end of steel sleeve and the positioning in the cover
Arc plate connects, including：
The square plate long is positioned on the second end of steel sleeve in the cover so that the square plate edge long and steel lining in the cover
Second straight line arrangement that the diameter of set the overlaps and two ends of the square plate long are across steel sleeve in the cover, to the square plate long
Middle part applies pressure, steel sleeve in the cover is moved relative to the impeller cover；
The square plate long is rotated by pivot of the center of steel sleeve in the cover again, is applied to the middle part of the square plate long
Pressure, makes steel sleeve in the cover be moved relative to the impeller cover；
Repeatedly by the square plate long with the center of steel sleeve in the cover be pivot rotation, to being applied in the middle part of the square plate long
Plus-pressure, until when steel sleeve moves down difficulty in the cover, short square plate is positioned on the second end of steel sleeve in the cover, and
The length of the short square plate overlaps the short square plate edge with the diameter of steel sleeve in the cover less than the length of the square plate long
The 3rd straight line and one end of the short square plate be arranged on the second end of the cover interior insulation bushing, and to the short side
Plate applies pressure, steel sleeve in the cover is moved relative to the impeller cover；
Again by the short square plate along the 4th straight line overlapped with the diameter of steel sleeve in the cover and the one of the short square plate
End is arranged on the second end of steel sleeve in the cover, and pressure is applied to the short square plate, makes in the cover steel sleeve with respect to institute
Impeller cover movement is stated, until the first end of steel sleeve connects with the Positioning arc plate in the cover.
4. impeller shade assembly assembly method according to claim 3, it is characterised in that by the short square plate along the cover
The circumferencial direction movement at the second end of interior steel sleeve, and when applying pressure to the short square plate, if in the cover steel sleeve the
Two ends relative to the impeller cover the second end not usually, the short square plate is positioned over the second end of steel sleeve in the cover
Protrusion at, apply pressure to the short square plate, until the second end of steel sleeve is parallel to the impeller cover in the cover
Second end.
5. impeller shade assembly assembly method according to claim 3, it is characterised in that the square plate long is with steel in the cover
The center of bushing is that the pivot anglec of rotation is 90 °.
6. impeller shade assembly assembly method according to claim 1, it is characterised in that multiple pressures are offered on the pressing plate
Plate hole, the outer wall of the impeller cover is provided with the first outward flange and the second outward flange, first outward flange and described second
Outward flange positioned at the two ends of the impeller cover, is provided with multiple first through hole, the pressing plate respectively on first outward flange
Hole is engaged with the first through hole, second fastener for multiple, each described second fastener include bolt and with
The nut that the bolt is engaged, the bolt leads to after passing through the corresponding plate hole and the first through hole with the nut
Cross threaded connection.
7. impeller shade assembly assembly method according to claim 6, it is characterised in that when the cover interior insulation bushing and institute
State steel sleeve in cover to be together pressed into when in the impeller cover, pressure is applied to the interface side of steel sleeve in the cover, it is described to connect
Mouth side is the side with the diameter parallel of the cover interior insulation bushing after the cover interior insulation bushing is rolled into tubular.
8. impeller shade assembly assembly method according to claim 1, it is characterised in that by cover interior insulation bushing press-in
Before the impeller cover, first the cover interior insulation bushing is pre-loaded into the impeller cover, the prepackage method includes：By exhibition
The cover interior insulation bushing opened is rolled into tubular, and prunes the axis on the cover interior insulation bushing with the cover interior insulation bushing
Parallel side, the external diameter of the cover interior insulation bushing is engaged with the internal diameter of the impeller cover.
9. the impeller shade assembly assembly method according to claim any one of 1-8, it is characterised in that in the Positioning arc plate
Drawstring is installed, pulls the drawstring to remove the Positioning arc plate.
10. impeller shade assembly assembly method according to claim 9, it is characterised in that installed in the support positioning plates
There is pulley, be wrapped in the middle part of the drawstring on the pulley, the drawstring water between the Positioning arc plate and the pulley
Plain cloth is put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710007549.7A CN106870246B (en) | 2017-01-05 | 2017-01-05 | A kind of impeller shade assembly assembly method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710007549.7A CN106870246B (en) | 2017-01-05 | 2017-01-05 | A kind of impeller shade assembly assembly method |
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| CN106870246A true CN106870246A (en) | 2017-06-20 |
| CN106870246B CN106870246B (en) | 2019-01-18 |
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| CN201710007549.7A Active CN106870246B (en) | 2017-01-05 | 2017-01-05 | A kind of impeller shade assembly assembly method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108453502A (en) * | 2018-02-06 | 2018-08-28 | 东莞市益汇知识产权服务有限公司 | The automatic assembly line of electronic organ and its packaging technology |
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| CN104129488A (en) * | 2014-07-29 | 2014-11-05 | 武汉船用机械有限责任公司 | Impeller cover structure of waterjet propulsion device and manufacturing method thereof |
| CN105171679A (en) * | 2015-11-05 | 2015-12-23 | 国家电网公司 | Method and tool for installing U seals on guide vane upper end covers of water turbine |
| CN205096804U (en) * | 2015-10-28 | 2016-03-23 | 重庆隆兆机械有限公司 | General fast -assembling mechanism of big specification axle class part and disc cover |
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| US6270385B1 (en) * | 1999-09-07 | 2001-08-07 | Bombardier Motor Corporation Of America | Pump jet rotor housing modification for noise signature spectral control |
| CN101962065A (en) * | 2010-10-20 | 2011-02-02 | 武昌船舶重工有限责任公司 | Installation process and tooling of impeller casing of marine water jet propulsion device |
| CN104129488A (en) * | 2014-07-29 | 2014-11-05 | 武汉船用机械有限责任公司 | Impeller cover structure of waterjet propulsion device and manufacturing method thereof |
| CN205096804U (en) * | 2015-10-28 | 2016-03-23 | 重庆隆兆机械有限公司 | General fast -assembling mechanism of big specification axle class part and disc cover |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108453502A (en) * | 2018-02-06 | 2018-08-28 | 东莞市益汇知识产权服务有限公司 | The automatic assembly line of electronic organ and its packaging technology |
| CN108453502B (en) * | 2018-02-06 | 2020-07-07 | 曾庆芳 | Automatic assembly line for electronic organ and assembly process thereof |
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| Publication number | Publication date |
|---|---|
| CN106870246B (en) | 2019-01-18 |
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