CN209308748U - Nozzle ring capable of changing cross sections upper pin is interference fitted press-fitting tool - Google Patents
Nozzle ring capable of changing cross sections upper pin is interference fitted press-fitting tool Download PDFInfo
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- CN209308748U CN209308748U CN201822164912.9U CN201822164912U CN209308748U CN 209308748 U CN209308748 U CN 209308748U CN 201822164912 U CN201822164912 U CN 201822164912U CN 209308748 U CN209308748 U CN 209308748U
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- slot
- mounting disc
- locating slot
- cross sections
- nozzle ring
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Abstract
The utility model relates to a kind of press-fitting tools, press-fitting tool is interference fitted more particularly, to a kind of nozzle ring capable of changing cross sections upper pin, including workbench, positioning seat is fixed on the workbench, locating slot is equipped at the top of positioning seat, the slot bottom of locating slot is horizontal, locating slot and the bottom shape of mounting disc cooperate, pressing plate is pressed in mounting disc, screw is bolted on pressing plate, the slot bottom of locating slot be equipped with threaded hole, screw perpendicular to locating slot slot bottom and be bolted in threaded hole, the nut of screw is pressed on the upper surface of pressing plate.Mounting disc is tightly pressed against in the locating slot of positioning seat using with the pressing plate that positioning seat is detachably connected, has achieved the effect that holding mounting disc is stablized motionless during pushing pin shaft；By the way that the slot bottom of locating slot is set as horizontal, achieve the effect that keep mounting disc upper surface horizontal during pushing pin shaft.
Description
Technical field
The utility model relates to a kind of press-fitting tools, are interference fitted more particularly, to a kind of nozzle ring capable of changing cross sections upper pin
Press-fitting tool.
Background technique
Nozzle ring capable of changing cross sections (Variable Nozzle Ring) structure and principle are simple, but VGT variable cross section turbine
Technology is for the promotion highly significant of supercharging effect, and on the turbo-charging diesel motor of current mainstream, this technology is
Very universal application is obtained.
The core of VGT technology is exactly the guide vane in adjustable vortex section, under the premise of using conventional turbine, is led to
Adjustment guide vane angle is crossed, according to fluid mechanics principle, the flow of the gas between adjacent two panels guide vane is flowed through in control
And flow velocity, to control the revolving speed of turbine, to effectively mitigate " turbo lag " phenomenon, while when improving low engine speeds again
Response time and acceleration capacity.Further, since changing guide vane angle can control effectively to the revolving speed of turbine,
It is achieved that the overload protection to turbine, therefore the turbocharger of VGT technology has been used all not need setting exhaust pressure relief valve.
As shown in Figure 1 and Figure 2, nozzle ring capable of changing cross sections is made of mounting disc 10, rear cover 11, blade 12 and shifting disc 13, peace
Sabot 10 is fixedly connected with rear cover 11 by three spacing pins 14, and several blades 12 are between mounting disc 10 and rear cover 11, leaf
Integrally formed with shaft 15 on piece 12, shaft 15 connects shift fork 16 through mounting disc 10, and shift fork 16 is stuck on shifting disc 13.Installation
Several pin shafts 17 are fixed on disk 10, fixed idler whell 18 or I-beam wheel 19, idler wheel 18 are butted on the inner wall of shifting disc 13 on pin shaft 17
On, the edge of shifting disc 13 inserts in 19 side of I-beam wheel, idler wheel 18 be used for it is radial to shifting disc 13 limit, I-beam wheel 19 for pair
13 axial limiting of shifting disc.
When assembling nozzle ring capable of changing cross sections, need to insert in multiple pin shafts 17 in the respective pin hole 10c in mounting disc 10 simultaneously
Interference fit, common method are that pin shaft 17 is pressed into mounting disc 10, positioning requirements of this method to mounting disc with hydraulic press
It is higher: to need to keep 10 upper surface of mounting disc level, it is motionless to need that mounting disc 10 is kept to stablize.Since pin hole 10c is perpendicular to peace
The processing of 10 surface of sabot, the pressure head lower surface default level of hydraulic press, so only keeping the upper surface of mounting disc 10 horizontal,
It can guarantee that pin shaft 17 is pressed into pin hole 10c perpendicular to 10 upper surface of mounting disc by pressure head；It can not when being pressed into pin shaft 17 into pin hole 10c
Avoid that mounting disc 10 can be generated the active force of horizontal direction, it is therefore desirable to keep mounting disc 10 to stablize motionless.
Now need a kind of pin shaft interference fit press-fitting tool for meeting above-mentioned positioning requirements.
Utility model content
The purpose of the utility model is to provide a kind of nozzle ring capable of changing cross sections upper pins to be interference fitted press-fitting tool, has
It keeps mounting disc upper surface horizontal during pushing pin shaft, and mounting disc is kept to stablize motionless advantage.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
A kind of nozzle ring capable of changing cross sections upper pin is interference fitted press-fitting tool, including workbench, fixed on the workbench
There is positioning seat, locating slot is equipped at the top of positioning seat, the slot bottom of locating slot is horizontal, and the bottom shape of locating slot and mounting disc cooperates,
It is pressed with pressing plate in mounting disc, screw is bolted on pressing plate, the slot bottom of locating slot is equipped with threaded hole, slot of the screw perpendicular to locating slot
Bottom is simultaneously bolted in threaded hole, and the nut of screw is pressed on the upper surface of pressing plate.
By using above-mentioned technical proposal, mounting disc is tightly pressed against positioning using the pressing plate being detachably connected with positioning seat
In the locating slot of seat.Since mounting disc is compressed by pressing plate, so it is motionless mounting disc can be kept to stablize during pushing pin shaft；By
It is horizontal in the slot bottom of locating slot, so the mounting disc upper surface being pressed in locating slot is able to maintain level.
Preferably, integrally formed with step in the centre bore of the mounting disc, the center hole shape of pressing plate and mounting disc is matched
It closes, pressing plate is pressed on step.
By using above-mentioned technical proposal, using the step in installation center hole as the support of pressing plate, using pressure
The shape of plate and centre bore cooperates to limit moving horizontally for mounting disc, and pressing plate is located in centre bore rather than directly bears against installation
Disk upper surface can avoid generating impression in mounting disc upper surface.
Preferably, be equipped with convex block at the top of positioning seat, the pressure head lower surface of hydraulic press is fixed with several compression legs, compression leg quantity with
Pin hole quantity is corresponding, and the height of convex block is greater than the height of compression leg, and the distance of mounting disc upper surface to pressure head lower surface is greater than compression leg
Height.
By using above-mentioned technical proposal, when pressure head presses at the top of contact tab, pin shaft can be forced into position.
Preferably, mounting disc upper surface is equipped with slot, and slot passes to the side of mounting disc, and positioning seat upper surface is equipped with gear
Block, block insert in slot.
By using above-mentioned technical proposal, using the cooperation of the block on positioning seat and slot in mounting disc, can prevent from pacifying
Sabot rotation rotation, because pin shaft may generate the active force of horizontal direction to mounting disc when being pressed into pin shaft into pin hole, and
Lead to that disc spins are installed.
Preferably, it is equipped with direct through groove at the top of the positioning seat, direct through groove passes in locating slot, and block, which slidably engages, to be set
In in direct through groove.
It, can be out of locating slot when block slides into disengaging locating slot in direct through groove by using above-mentioned technical proposal
Take out mounting disc.
Preferably, integrally formed with plug division on the block, plug division is inserted in slot, and the height of plug division is less than gear
Block height.
By using above-mentioned technical proposal, since the height of plug division is less than the height of block, the table in mounting disc
Face opens up shallower slot i.e. for plug division insertion, reduces the processing capacity of processing slot.
Preferably, shifting disc outer edge is equipped with protrusion, and the bumping post for blocking protrusion is equipped at the top of positioning seat.
By using above-mentioned technical proposal, raised movement can be prevented using two bumping posts, to prevent to stir disc spins.
Preferably, the adjacent protrusion on shifting disc outer edge surrounds limiting slot, and bumping post inserts in limiting slot.
It can prevent to stir disc spins using in a protrusion insertion limiting slot by using above-mentioned technical proposal.
In conclusion the advantageous effects of the utility model are as follows:
1. being reached using mounting disc is tightly pressed against in the locating slot of positioning seat with the pressing plate that positioning seat is detachably connected
Mounting disc is kept to stablize motionless effect during pushing pin shaft；
2. having reached holding mounting disc upper surface water during pushing pin shaft by the way that the slot bottom of locating slot is set as horizontal
Flat effect.
Detailed description of the invention
Fig. 1 is the overall structure diagram of nozzle ring capable of changing cross sections in background technique；
Fig. 2 is the explosive view of nozzle ring capable of changing cross sections in background technique；
Fig. 3 is the overall structure diagram of nozzle ring capable of changing cross sections upper pin interference fit press-fitting tool in embodiment；
Fig. 4 is the portion A enlarged drawing in Fig. 3；
Fig. 5 is the structural schematic diagram of positioning seat；
Fig. 6 is the structural schematic diagram of mounting disc；
Fig. 7 is the structural schematic diagram of block.
In figure, 1, workbench；2, positioning seat；2a, locating slot；2b, threaded hole；2c, direct through groove；3, pressing plate；4, screw；5,
Convex block；6, pressure head；7, compression leg；8, block；8a, plug division；9, bumping post；10, mounting disc；10a, slot；10b, step；10c, pin
Hole；11, rear cover；12, blade；13, shifting disc；13a, protrusion；13b, limiting slot；14, spacing pin；15, shaft；16, shift fork；
17, pin shaft；18, idler wheel；19, I-beam wheel.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment: Fig. 3 is that a kind of nozzle ring capable of changing cross sections upper pin disclosed by the utility model is interference fitted press-fitting tool,
As shown in Figure 4, Figure 5, including workbench 1, cylindrical positioning seat 2, the horizontal upper surface of positioning seat 2 are fixed on workbench 1
It is fixed with locating slot 2a, the shape of locating slot 2a and the bottom shape of mounting disc 10 cooperate, and the slot bottom of locating slot 2a is horizontal.
Step 10b(in the centre bore of mounting disc 10 integrally formed with annular is shown in Fig. 6), the diameter of step 10b is less than mounting disc 10
Center-hole diameter, the centre bore of mounting disc 10 is interior to be equipped with circular pressing plate 3, the central hole size cooperation of pressing plate 3 and mounting disc 10.
3 central vertical of pressing plate is bolted with screw 4, is equipped with threaded hole 2b, screw 4 perpendicular to slot bottom at the center locating slot 2a of positioning seat 2
It is bolted in threaded hole 2b, when tightening screw 4, the nut of screw 4 is pressed on the upper surface of pressing plate 3, and pressing plate 3 is pressed on mounting disc 10
Step 10b on, screw 4 is located on the central axes of mounting disc 10 and locating slot 2a.
As shown in figure 4, the surface of positioning seat 2 is the pressure head 6 of hydraulic press, the upper surface of positioning seat 2 is fixed, and there are two convex
Block 5, two convex blocks 5 are symmetrically set in the two sides of locating slot 2a, and the upper surface of two convex blocks 5 is horizontal and contour, the pressure head 6 of hydraulic press
When pushing, pressure head 6 is pressed on 5 upper surface of convex block.The upper surface of mounting disc 10 has a circle pin hole 10c, and 6 lower surface of pressure head is vertically solid
Surely there are more compression legs 7, the quantity of compression leg 7 and position and pin hole 10c to correspond, pin shaft 17 is inserted into pin hole 10c, then liquid
The pressure head 6 of press pushes, and pin shaft 17 is gradually pressed into pin hole 10c by compression leg 7, until pressure head 6 is dropped to and is pressed on convex block 5 then
Stop pushing.The height of convex block 5 is greater than the height of compression leg 7, and the distance of 10 upper surface of mounting disc to 6 lower surface of pressure head is greater than compression leg
7 height, it is ensured that compression leg 7 is unlikely to for pin shaft 17 to be all pressed in pin hole 10c when pressure head 6 is depressed into contact tab 5, makes pin hole
10c a part is exposed to outside pin hole 10c.
As shown in Figure 5, Figure 6,10 upper surface of mounting disc is equipped with slot 10a, and slot 10a is directed toward the center of mounting disc 10 and leads to
To 10 side of mounting disc；2 upper surface of positioning seat is equipped with direct through groove 2c, and direct through groove 2c, which is also directed toward the center of positioning seat 2 and passes to, to be determined
In the slot 2a of position.
As shown in Fig. 4, Fig. 7, cooperation is equipped with the block 8 that can be slided along its length, one on block 8 in direct through groove 2c
Form plug division 8a, the height of plug division 8a is less than inserted block height, at the top of the 8a of plug division with flushed at the top of block 8, plug division
8a is inserted in the slot 10a of mounting disc 10.Since the height of plug division 8a is less than the height of block 8, in mounting disc 10
Surface opens up shallower slot 10a i.e. for plug division 8a insertion, reduces the processing capacity of processing slot 10a.
As shown in figure 4, be indentation pin shaft 17 in the locating slot 2a for be put into mounting disc 10 positioning seat 2 under normal circumstances, but
The mounting disc 10 for being equipped with shifting disc 13 can also be put into indentation pin shaft 17 in the locating slot 2a of positioning seat 2.Outside shifting disc 13
Fig. 2 is seen integrally formed with raised 13a(on edge), the adjacent protrusion 13a on shifting disc 13 surrounds limiting slot 13b, positioning seat 2
Top surface is vertically and fixedly provided with bumping post 9, and bumping post 9 and limiting slot 13b shape cooperate, the shifting disc 13 when bumping post 9 is inserted into limiting slot 13b
It can not rotate.
The implementation principle of the present embodiment are as follows: mounting disc 10 is put into the locating slot 2a of positioning seat 2, at 10 center of mounting disc
It is put into pressing plate 3 in hole, the screw 4 on pressing plate 3 is threaded into the 2b of hole, tightening screw 4 is pressed in pressing plate 3 on step 10b,
Then in all piece pin shafts 17 of pin hole 10c interpolation of mounting disc 10, then rotating mounting disc 10 makes slot 10a be directed at positioning seat 2
On direct through groove 2c, and the plug division 8a of block 8 is inserted in slot 10a, the both hands button for then pressing hydraulic press starts pressure
First 6, pressure head 6, which drops to, to be pressed on when on convex block 5 compression leg 7 pin shaft 17 can be pressed into pin hole 10c, and makes pin shaft 17 and pin hole
10c interference fit, stops pressing both hands button at this time, and hydraulic press discharge rises pressure head 6, takes out mounting disc from locating slot 2a
10 can be completed press fitting.
When needing to install pin shaft 17 in the mounting disc 10 with shifting disc 13, the mounting disc 10 of shifting disc 13 will be had
It is placed in locating slot 2a, and is inserted into the bumping post 9 on positioning seat 2 in the limiting slot 13b on shifting disc 13, other operations are same as above.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of nozzle ring capable of changing cross sections upper pin is interference fitted press-fitting tool, including workbench (1), it is characterised in that: described
It being fixed on workbench (1) positioning seat (2), is equipped with locating slot (2a) at the top of positioning seat (2), the slot bottom of locating slot (2a) is horizontal,
Locating slot (2a) and the bottom shape of mounting disc (10) cooperate, and are pressed with pressing plate (3) in mounting disc (10), pressing plate is bolted on (3)
Screw (4), the slot bottom of locating slot (2a) are equipped with threaded hole (2b), screw (4) perpendicular to locating slot (2a) slot bottom and be bolted in
In threaded hole (2b), the nut of screw (4) is pressed on the upper surface of pressing plate (3).
2. nozzle ring capable of changing cross sections upper pin according to claim 1 is interference fitted press-fitting tool, it is characterised in that: described
Cooperate in the centre bore of mounting disc (10) integrally formed with step (10b), pressing plate (3) and the center hole shape of mounting disc (10),
Pressing plate (3) is pressed on step (10b).
3. nozzle ring capable of changing cross sections upper pin according to claim 1 is interference fitted press-fitting tool, it is characterised in that: positioning
Convex block (5) are equipped at the top of seat (2), pressure head (6) lower surface of hydraulic press is fixed with several compression legs (7), compression leg (7) quantity and pin hole
(10c) quantity is corresponding, and the height of convex block (5) is greater than the height of compression leg (7), mounting disc (10) upper surface to pressure head (6) lower surface
Distance be greater than compression leg (7) height.
4. nozzle ring capable of changing cross sections upper pin according to claim 1 is interference fitted press-fitting tool, it is characterised in that: installation
Disk (10) upper surface is equipped with slot (10a), and slot (10a) passes to the side of mounting disc (10), and positioning seat (2) upper surface is equipped with gear
Block (8), block (8) insert in slot (10a).
5. nozzle ring capable of changing cross sections upper pin according to claim 4 is interference fitted press-fitting tool, it is characterised in that: described
It is equipped with direct through groove (2c) at the top of positioning seat (2), direct through groove (2c) passes in locating slot (2a), and block (8), which slidably engages, to be set
In direct through groove (2c).
6. nozzle ring capable of changing cross sections upper pin according to claim 4 is interference fitted press-fitting tool, it is characterised in that: described
It is inserted in slot (10a) on block (8) integrally formed with plug division (8a), plug division (8a), the height of plug division (8a) is less than
Block (8) height.
7. nozzle ring capable of changing cross sections upper pin according to claim 1 is interference fitted press-fitting tool, it is characterised in that: stir
Disk (13) outer edge is equipped with raised (13a), and the bumping post (9) for blocking raised (13a) is equipped at the top of positioning seat (2).
8. nozzle ring capable of changing cross sections upper pin according to claim 7 is interference fitted press-fitting tool, it is characterised in that: stir
Adjacent protrusion (13a) on disk (13) outer edge surrounds limiting slot (13b), and bumping post (9) inserts in limiting slot (13b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822164912.9U CN209308748U (en) | 2018-12-22 | 2018-12-22 | Nozzle ring capable of changing cross sections upper pin is interference fitted press-fitting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822164912.9U CN209308748U (en) | 2018-12-22 | 2018-12-22 | Nozzle ring capable of changing cross sections upper pin is interference fitted press-fitting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209308748U true CN209308748U (en) | 2019-08-27 |
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ID=67678282
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822164912.9U Active CN209308748U (en) | 2018-12-22 | 2018-12-22 | Nozzle ring capable of changing cross sections upper pin is interference fitted press-fitting tool |
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|---|---|
| CN (1) | CN209308748U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309607A (en) * | 2021-06-24 | 2021-08-27 | 蜂巢蔚领动力科技(江苏)有限公司 | VGT structure of adjustable blade and turbo charger of using thereof |
| CN113927272A (en) * | 2021-11-15 | 2022-01-14 | 浙江中骐科技有限公司 | Assembling device and assembling method for turbocharger |
-
2018
- 2018-12-22 CN CN201822164912.9U patent/CN209308748U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309607A (en) * | 2021-06-24 | 2021-08-27 | 蜂巢蔚领动力科技(江苏)有限公司 | VGT structure of adjustable blade and turbo charger of using thereof |
| CN113927272A (en) * | 2021-11-15 | 2022-01-14 | 浙江中骐科技有限公司 | Assembling device and assembling method for turbocharger |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230818 Address after: 344000 Basic Industrial Park in Yuanshangang Economic Development Zone, Dongxiang District, Fuzhou City, Jiangxi Province Patentee after: Fuzhou Fanate Machinery Technology Co.,Ltd. Address before: No. 108, Meiyu Road, Wuxi, Jiangsu 214000 Patentee before: WUXI FANATE MACHINERY TECHNOLOGY Co.,Ltd. |