CN208719008U - A kind of high speed centrifugation heating blower impeller installation and removal device - Google Patents
A kind of high speed centrifugation heating blower impeller installation and removal device Download PDFInfo
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- CN208719008U CN208719008U CN201821413265.4U CN201821413265U CN208719008U CN 208719008 U CN208719008 U CN 208719008U CN 201821413265 U CN201821413265 U CN 201821413265U CN 208719008 U CN208719008 U CN 208719008U
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- draught fan
- fan impeller
- hole
- oil outlet
- removal device
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Abstract
The utility model discloses a kind of high speed centrifugation heating blower impeller installation and removal device, draught fan impeller hub shaft hole includes taper hole section and straight hole section, fan shaft is equipped with the frustum section being interference fitted with taper hole section, draught fan impeller installation and removal device includes expanding mechanism and push-pull mechanism, the expanding mechanism includes being arranged in the frustum section and about the oil outlet of fan shaft axisymmetrical arrangement and the fuel feed hole being connected to the oil outlet, the oil outlet is radially arranged along fan shaft, the fuel feed hole and fan shaft coaxial line and the front side for being located at the oil outlet, high pressure oil enters fuel feed hole from oil inlet, it is flowed out from oil outlet；The push-pull mechanism includes bidirectional-movement part and connector, and the connector is for connecting bidirectional-movement part and draught fan impeller and between bidirectional-movement part and draught fan impeller.The draught fan impeller installation and removal device of the utility model reduces the labor intensity of operator convenient for the installation and removal of draught fan impeller.
Description
Technical field
The utility model relates to high speed centrifugation heating blower technical field, more specifically a kind of high speed centrifugation heats wind
Machine impeller installation and removal device.
Background technique
In gas heating system, high speed centrifugation heating blower is the core of entire heating system, is heated in entire gas
It is most important in system, it because high speed centrifugation heating blower is both the power source of gas circulation, while being also the heat of gas heating
Source.Generally using the work of interference fit (magnitude of interference is in 0.05mm or so) between traditional low-speed centrifugal draught fan impeller and motor shaft
Skill mode, while removal hole is designed in impeller hub end face, in order to mount and dismount.If but high speed centrifugation heating blower uses
Such assembling structure easily causes impeller loosening, or even there is a phenomenon where impellers to fly out, and causes dangerous possibility to increase
Property.In order to improve the stability and reliability that heating blower impeller is run in high speed, hot environment, impeller uses high strength titanium
It is both designed as having larger magnitude of interference (magnitude of interference 0.10mm at the conical surface and cooperation at alloy material, impeller shaft hole and high speed shaft cooperation
Left and right), but it is not easy to install and be difficult to the technical problem dismantled impeller occur.
Utility model content
The purpose of this utility model is to provide a kind of high speed centrifugation heating blower impeller installation and removal devices, are convenient for wind
The installation and removal of machine impeller reduce the labor intensity of operator.
To achieve the above objectives, the present invention adopts the following technical solutions:
A kind of high speed centrifugation heating blower impeller installation and removal device, draught fan impeller hub shaft hole include taper hole section and straight
Hole section, fan shaft are equipped with the frustum section being interference fitted with taper hole section.The draught fan impeller installation and removal of the utility model fill
It sets including the expanding mechanism for swell shaft hole diameter and the push-pull mechanism for moving axially impeller along fan shaft, it is described
Expanding mechanism include be arranged in the frustum section and about fan shaft axisymmetrical arrangement oil outlet and with it is described fuel-displaced
The fuel feed hole of hole connection, the oil outlet is along fan shaft radial direction arrangement, the fuel feed hole and fan shaft coaxial line and position
In the front side of the oil outlet, high pressure oil enters from fuel feed hole, flows out from oil outlet；The push-pull mechanism includes bidirectional-movement part
And connector, the connector for connect bidirectional-movement part and draught fan impeller and be located at bidirectional-movement part and draught fan impeller it
Between.
The bidirectional-movement part is bidirectional hydraulic oil cylinder, and the piston rod of hydraulic cylinder is towards draught fan impeller, the connector
Including terminal pad and the flange being arranged on hydraulic cylinder, the flange is with hydraulic cylinder coaxial line and removable with the terminal pad
It unloads and is fixedly connected, before the terminal pad is detachably connected on draught fan impeller front end face and is equipped in the middle part of terminal pad for fan shaft
Hold across centre bore.
The piston rod end is connect with fan shaft nose threads, and fan shaft front end is equipped with and fuel feed hole coaxial line
Threaded hole, the threaded hole are connected to fuel feed hole, and piston rod end is equipped with the screw thread cooperated with threaded hole.
The oil filler point with piston rod coaxial line is equipped in the middle part of the piston rod, the oil outlet of oil filler point is located at piston rod end face
Upper and corresponding with the oil inlet of fan shaft fuel feed hole, oil filler point is connected to by oil pipe with hydraulic hand-pump.
The flange is fixedly connected with the terminal pad by the multiple screw rods arranged along piston rod circumferential direction uniform intervals.
The terminal pad is bolted on draught fan impeller front end face.
Fixing structure is equipped between the terminal pad and draught fan impeller, the fixing structure includes being arranged in the terminal pad
The groove of front end face and the cyclic convex edge that the terminal pad trailing flank is arranged in, the groove and draught fan impeller axis hole straight hole section are total
Axis, the cyclic convex edge and the connection center hole coaxial line.
The beneficial effects of the utility model are as follows: by the way that oil outlet and fuel feed hole are arranged on fan shaft, utilizing high pressure
Oil is to the micro swell of carry out of draught fan impeller hub shaft hole, convenient for the installation and removal of draught fan impeller；Bidirectional hydraulic oil cylinder, connection
Disk and screw rod are used cooperatively, and realize blower convenient for by bidirectional hydraulic cylinder piston rod being moved forward and backward the pulling force generated and thrust
The installation and removal of impeller reduce the labor intensity of operator.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of draught fan impeller in Fig. 1；
Fig. 3 is the structural schematic diagram of fan shaft in Fig. 1；
Fig. 4 be in Fig. 3 along A-A to cross-section diagram；
Fig. 5 is the structural schematic diagram of hydraulic cylinder in Fig. 1.
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.It should be clear that this specification attached drawing is drawn
Structure, ratio, size for showing etc., only to cooperate the revealed content of specification, for those skilled in the art's understanding
With reading, enforceable qualifications are not intended to limit the utility model, therefore do not have technical essential meaning, any structure
Modification, the change of proportionate relationship or the adjustment of size, do not influencing the effect of the utility model can be generated and can reach
Purpose under, should all still fall in the range of the revealed technology contents of the utility model can cover.Meanwhile institute in this specification
Such as "upper" of reference, "lower", "left", "right", " centre " and " one " term, be merely convenient to the clear of narration, Er Feiyong
To limit the enforceable range of the utility model, relativeness is altered or modified, under the content of no substantial changes in technology, when
Also it is considered as the enforceable scope of the utility model.
As shown in Figures 1 to 5, a kind of high speed centrifugation heating blower impeller installation and removal device, 1 hub spindle of draught fan impeller
Hole 6 includes taper hole section 2 and straight hole section 3, and fan shaft 4 is equipped with the frustum section 5 being interference fitted with taper hole section 2.The utility model
1 installation and removal device of draught fan impeller include for the expanding mechanism of 6 internal diameter of swell axis hole and for making draught fan impeller 1 along wind
The push-pull mechanism that machine shaft 4 moves axially.The expanding mechanism includes being arranged in the frustum section 5 and about fan shaft 4
The oil outlet 7 of axisymmetrical arrangement and the fuel feed hole 8 being connected to the oil outlet 7, the oil outlet 7 is along 4 diameter of fan shaft
To arrangement, oil outlet 7 is two in the present embodiment, and the oil outlet of oil outlet 7 is equipped with oil groove 19, and oil groove 19 can accommodate out
A certain amount of high pressure oil improves the pressure to axis hole 6.The fuel feed hole 8 is with 4 coaxial line of fan shaft and positioned at the oil outlet
7 front side, high pressure oil enter from fuel feed hole 8, flow out from oil outlet 7.The push-pull mechanism includes bidirectional-movement part 9 and connection
Part, the connector is for connecting bidirectional-movement part 9 and draught fan impeller 1 and between bidirectional-movement part 9 and draught fan impeller 1.
Oil outlet 7 and fuel feed hole 8 process on fan shaft 4 in advance.
The bidirectional-movement part 9 is bidirectional hydraulic oil cylinder, and the piston rod 10 of hydraulic cylinder is towards draught fan impeller 1.The company
Fitting includes terminal pad 11 and the flange 12 that is arranged on hydraulic cylinder, the flange 12 and hydraulic cylinder coaxial line and with it is described
Terminal pad 11 is detachably fixed connection, and the terminal pad 11 is detachably connected on 1 front end face of draught fan impeller and in terminal pad 11
Portion is equipped with the centre bore passed through for 4 front end of fan shaft.
10 end of piston rod is connect with 4 nose threads of fan shaft, and 4 front end of fan shaft is equipped with total with fuel feed hole 8
The threaded hole 13 of axis, the threaded hole 13 are connected to fuel feed hole 8, and 10 end of piston rod is equipped with the spiral shell cooperated with threaded hole 13
Line.
The oil filler point 18 with 10 coaxial line of piston rod is equipped in the middle part of the piston rod 10, the oil outlet of oil filler point 18, which is located at, lives
On 10 end face of stopper rod and corresponding with the oil inlet of 4 fuel feed hole 8 of fan shaft, oil filler point 18 is connected by oil pipe and hydraulic hand-pump
It is logical, hydraulic hand-pump is not shown in the figure.
The flange 12 is solid by multiple screw rods 14 along the circumferential uniform intervals arrangement of piston rod 10 with the terminal pad 11
Fixed to connect, screw rod 14 is four in the present embodiment.
The terminal pad 11 is fixed on 1 front end face of draught fan impeller by bolt 15.
Fixing structure is equipped between the terminal pad 11 and draught fan impeller 1, the fixing structure includes being arranged in the company
It connects the groove 16 of 11 front end face of disk and the cyclic convex edge of 11 trailing flank of terminal pad, the groove 16 and draught fan impeller is set
1 axis hole, 6 straight hole section, 3 coaxial line, the cyclic convex edge and the 11 centre bore coaxial line of terminal pad.Fixing structure can prevent
Unbalance stress occurs in 10 moving process of piston rod and draught fan impeller 1 is caused damage phenomenon occur.
The installation process of draught fan impeller 1 is as follows:
One, first draught fan impeller 1 is tentatively sleeved on fan shaft 4, and carries out preliminary fixed preload, and reserve certain
Pre-tighten distance；
Two, terminal pad 11 is fixed on the front end face of draught fan impeller 1 by bolt 15；
Three, bidirectional hydraulic oil cylinder is sling by lifting appliance, makes the piston rod 10 of hydraulic cylinder and the spiral shell of fan shaft 4
13 position of pit is corresponding, is threadedly coupled 10 end of piston rod with threaded hole 13；Then pass through four screw rods 14 for flange 12
It tightens together with terminal pad 11, and uses nut check；
Four, hydraulic hand-pump is connected to by oil pipe with the oil filler point 18 of piston rod 10；
Five, pressure up and down is carried out manually to hand increasing pressure pump repeatedly, high pressure oil is passed sequentially through oil pipe, note by hydraulic hand-pump
Hydraulic fluid port 17, oil filler point 18, fuel feed hole 8 are transported to oil outlet 7, and high pressure oil enters 1 hub spindle of draught fan impeller after the outflow of oil outlet 7
In hole 6 and micro swell is carried out to impeller hub axis hole 6, is then slowly advanced bidirectional hydraulic cylinder piston rod 10, until blower
Impeller 1 is moved to the interference fit location on fan shaft 4.
The disassembly process of draught fan impeller 1 is similar to installation process principle, and the main distinction is: piston rod 10 carries out when disassembly
Reverse movement.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
Claims (7)
1. a kind of high speed centrifugation heating blower impeller installation and removal device, draught fan impeller hub shaft hole includes taper hole section and straight hole
Section, fan shaft are equipped with the frustum section being interference fitted with taper hole section, it is characterised in that: including the expansion for swell shaft hole diameter
Mechanism and the push-pull mechanism for moving axially impeller along fan shaft are opened, the expanding mechanism includes being arranged in the frustum
It is in section and equal about the oil outlet of fan shaft axisymmetrical arrangement and the fuel feed hole being connected to the oil outlet, the oil outlet
Radially arranged along fan shaft, the fuel feed hole and fan shaft coaxial line and the front side for being located at the oil outlet, high pressure oil from
Fuel feed hole enters, and flows out from oil outlet；The push-pull mechanism includes bidirectional-movement part and connector, and the connector is for connecting
Bidirectional-movement part and draught fan impeller and between bidirectional-movement part and draught fan impeller.
2. draught fan impeller installation and removal device according to claim 1, it is characterised in that: the bidirectional-movement part is double
To hydraulic cylinder, towards draught fan impeller, the connector includes terminal pad and is arranged in hydraulic cylinder the piston rod of hydraulic cylinder
On flange, the flange and hydraulic cylinder coaxial line and being detachably fixed with the terminal pad connect, and the terminal pad is removable
It unloads and is connected on draught fan impeller front end face and is equipped with the centre bore passed through for fan shaft front end in the middle part of terminal pad.
3. draught fan impeller installation and removal device according to claim 2, it is characterised in that: the piston rod end and wind
The connection of machine shaft nose threads, fan shaft front end are equipped with the threaded hole with fuel feed hole coaxial line, the threaded hole and fuel feed hole
Connection, piston rod end are equipped with the screw thread cooperated with threaded hole.
4. draught fan impeller installation and removal device according to claim 3, it is characterised in that: be equipped in the middle part of the piston rod
With the oil filler point of piston rod coaxial line, the oil outlet of oil filler point is located in piston rod end face and the oil inlet with fan shaft fuel feed hole
Mouth is corresponding, and oil filler point is connected to by oil pipe with hydraulic hand-pump.
5. draught fan impeller installation and removal device according to claim 4, it is characterised in that: the flange and the connection
Disk is fixedly connected by the multiple screw rods arranged along piston rod circumferential direction uniform intervals.
6. draught fan impeller installation and removal device according to claim 5, it is characterised in that: the terminal pad passes through bolt
It is fixed on draught fan impeller front end face.
7. draught fan impeller installation and removal device according to claim 6, it is characterised in that: the terminal pad and blower leaf
Fixing structure is equipped between wheel, the fixing structure includes that the groove of the terminal pad front end face is arranged in and is arranged in the company
Meet the cyclic convex edge of disk trailing flank, the groove and draught fan impeller axis hole straight hole section coaxial line, the cyclic convex edge and the company
Connect center hole coaxial line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821413265.4U CN208719008U (en) | 2018-08-30 | 2018-08-30 | A kind of high speed centrifugation heating blower impeller installation and removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821413265.4U CN208719008U (en) | 2018-08-30 | 2018-08-30 | A kind of high speed centrifugation heating blower impeller installation and removal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208719008U true CN208719008U (en) | 2019-04-09 |
Family
ID=65980325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821413265.4U Active CN208719008U (en) | 2018-08-30 | 2018-08-30 | A kind of high speed centrifugation heating blower impeller installation and removal device |
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|---|---|
| CN (1) | CN208719008U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110666746A (en) * | 2019-12-05 | 2020-01-10 | 山东天瑞重工有限公司 | Magnetic suspension blower impeller dismounting tool and dismounting method |
| CN113119021A (en) * | 2021-04-25 | 2021-07-16 | 重庆江增船舶重工有限公司 | Assembling tool and method for air compressing impeller of turbocharger |
| CN114643555A (en) * | 2020-12-21 | 2022-06-21 | 航天科工惯性技术有限公司 | Inner magnetic steel disassembling and assembling tool, inner magnetic steel assembling method and inner magnetic steel disassembling method |
-
2018
- 2018-08-30 CN CN201821413265.4U patent/CN208719008U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110666746A (en) * | 2019-12-05 | 2020-01-10 | 山东天瑞重工有限公司 | Magnetic suspension blower impeller dismounting tool and dismounting method |
| CN110666746B (en) * | 2019-12-05 | 2020-03-31 | 山东天瑞重工有限公司 | Magnetic suspension blower impeller dismounting tool and dismounting method |
| CN114643555A (en) * | 2020-12-21 | 2022-06-21 | 航天科工惯性技术有限公司 | Inner magnetic steel disassembling and assembling tool, inner magnetic steel assembling method and inner magnetic steel disassembling method |
| CN113119021A (en) * | 2021-04-25 | 2021-07-16 | 重庆江增船舶重工有限公司 | Assembling tool and method for air compressing impeller of turbocharger |
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