CN204533421U - A kind of rotor axial displacement controlling mechanism - Google Patents
A kind of rotor axial displacement controlling mechanism Download PDFInfo
- Publication number
- CN204533421U CN204533421U CN201520111601.XU CN201520111601U CN204533421U CN 204533421 U CN204533421 U CN 204533421U CN 201520111601 U CN201520111601 U CN 201520111601U CN 204533421 U CN204533421 U CN 204533421U
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- tooth bar
- rotor
- bearing unit
- supporting frame
- controlling mechanism
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Abstract
The utility model discloses a kind of rotor axial displacement controlling mechanism, comprises main shaft, rotor and flange, bearing unit, regulon and supporting frame; The rotor flange neck of rotor and flange is sleeved on main shaft periphery; The inner ring of bearing unit is fixed on rotor flange neck periphery; The outer ring of bearing unit is symmetrically fixed with a pair tooth bar; The tooth bar pilot hole that supporting frame matches with tooth bar, tooth bar is through corresponding tooth bar pilot hole; Supporting frame is provided with for driving tooth bar along the gear shaft of main shaft axial motion.The utility model is linear drives form, and tooth bar is symmetrical arranged, and makes angle bearing unit accurately along main-shaft axis displacement, location, reduces the beat of angle bearing inside and outside ring, thus greatly reduces the probability that this bearing unit produces fault.This controlling mechanism easily installs overload clutch additional, by overload clutch, gear shaft is separated with main side from end, makes described rotor free displacement vertically, the coupling of permanent-magnet speed governor is weakened, and clears up the hidden danger because of overload generation fault.
Description
[technical field]
The utility model belongs to technical field of mechanical transmission, particularly a kind of rotor axial displacement controlling mechanism.
[background technique]
In mechanical transmission mechanism, sometimes need to carry out axial adjustment to the displacement of the component along axis rotation, as the application of common employing shifting fork mechanism, clutch.And some specification is comparatively large, rotating speed is higher and the rotor that displacement amount is larger, its displacement controlling mechanism then needs special design to meet real requirement.Especially as permanent-magnet speed governor product, when the overload occurs, need to respond protection fast to power system; although be feasible through the scheme of electronic equipment closed loop protection; but the access of the electronics of complexity makes reliability have a greatly reduced quality, in practical application, such failure accident is just had to occur.Certainly can on power mainshaft, directly adopt torque limiter to carry out mechanical protection, but for the product of large gauge, adopt in this way; namely on high speed rotating body, torque limiter is installed additional; increase first and produce and assembling difficulty, second reduce the reliability of product, three increase larger cost.
The Chinese patent of notice of authorization on the 25th was announced No. CN1140042C and was disclosed a kind of adjustable magnetic coupler in February, 2004, its controlling mechanism is a kind of tubular end cam mechanism, the defect that its structure exists is: one, need a pair longer, to be connected on axle between unit and fixed unit perpendicular to the linkage mechanism of spindle axis, degree of regulation is lower, and floor space is larger; Its two, need two cover angular contact bearings combinations, to the length of outrigger shaft and the heavy increasing amount of axle larger; Its three, displacement adjustable extent is less, complicated integral structure, and fabricating cost is higher.The Chinese patent of 01 month notice of authorization on the 23rd in 2013 announces No. CN202696418U, discloses the adjustable magnetic coupler that a kind of structure is extremely similar to above-mentioned patent.
In November, 2012, the Chinese patent of notice of authorization on the 21st announced No. CN202545718U, disclosed a kind of design based on spline pair and leading screw, can be suitable for the rotor compared with small dimension, regulates still have some deficits for more trochiterian displacement.
[model utility content]
The purpose of this utility model is to provide a kind of rotor axial displacement controlling mechanism, to overcome the deficiencies in the prior art.
To achieve these goals, the utility model adopts following technological scheme:
A kind of rotor axial displacement controlling mechanism, comprises main shaft, rotor and flange, bearing unit, regulon and supporting frame; The rotor flange neck of rotor and flange is sleeved on main shaft periphery; Inner ring/the outer ring of bearing unit is fixed on rotor flange neck periphery; Outer ring/the inner ring of bearing unit is symmetrically fixed with a pair tooth bar; The tooth bar pilot hole that supporting frame matches with tooth bar, tooth bar is through corresponding tooth bar pilot hole; Supporting frame is provided with for driving tooth bar along the gear shaft being parallel to main shaft axial motion.
Preferably, the outer ring of described bearing unit is provided with bearing unit displacement secondary guide.
Preferably, supporting frame is furnished with at least one gear housing; At least one idle pulley is installed in gear housing; Gear shaft is by least one lazy wheel and rack engagement described.
Preferably, described tooth bar is connecting lever tooth bar; Described connecting lever tooth bar directly engages with gear shaft.
Preferably, the gear shaft main side of gear shaft and gear shaft arrange overload clutch between end.
Preferably, supporting frame is provided with the supporting frame main shaft via hole passed for main shaft; In supporting frame main shaft via hole, supplemental support bearing unit is set.
Preferably, supporting frame is provided with the secondary guide pilot hole matched with bearing unit displacement secondary guide, is provided with sliding sleeve in secondary guide pilot hole.
Preferably, the direct geared on gear shaft is engaged with tooth bar.
Preferably, supporting frame is furnished with a pair gear housing up and down; A pair gear housing is all provided with an idle pulley; Gear shaft is engaged with corresponding tooth bar by corresponding idle pulley.
Preferably, bearing unit is arranged with a pair tooth bar and pair of bearings element displacement secondary guide; Supporting frame is furnished with a pair gear housing; At least one idle pulley is installed in gear housing; Gear shaft is engaged with corresponding tooth bar by least one idle pulley described.
Relative to prior art, the utility model has following beneficial effect: the utility model is linear drives form, tooth bar is symmetrical arranged, make angle bearing unit accurately along main-shaft axis displacement, location, reduce the beat of angle bearing inside and outside ring, thus greatly reduce the probability that this bearing unit produces fault; Slide in the sliding sleeve that bearing unit displacement secondary guide is arranged on supporting frame, guiding is good; Adopt 1 ~ 2 idle pulley or connecting lever tooth bar, make gear shaft avoid main shaft.
Further, in supporting frame main shaft via hole, supplemental support bearing unit can be set, increase the stability of motion of main shaft.
Further, connecting lever tooth bar replaces idle pulley, reduces element number and transmission link.
Further, for permanent-magnet speed governor product, when overload phenomenon occurs, described rotor end-face can bear the end thrust because of the generation of electric convolution magnetic field of super large, by this, the gear shaft of low speed action installs overload clutch in discontinuous operation (reliability is high, low cost, easy installation), described thrust, by overload clutch, gear shaft is separated with gear shaft main side from end, make the direction free displacement of described rotor i.e. described thrust reduction vertically, the coupling of permanent-magnet speed governor is weakened, clear up the hidden danger because of overload generation fault, namely transient error protection is realized.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the schematic diagram of the component combination of Fig. 1 structure;
Fig. 3-1 is the schematic diagram of Fig. 2 structure and other component combinations;
Fig. 3-2 is another views of Fig. 3-1;
Fig. 4 is the part combination schematic diagram of embodiment 2;
Fig. 5-1 is the gear shaft schematic diagram of embodiment 3;
Fig. 5-2 is partial enlarged drawings of gear shaft shown in Fig. 5-1;
Wherein, 0: main shaft, 1: rotor and flange, 1-1: rotor flange neck, 2: bearing unit, 2-1,2 '-1: bearing unit displacement secondary guide, 3-1,3 '-1: gear housing, 3-A: gear shaft, 3-2,3 '-2: tooth bar, 3-31,3-32,3 '-31,3 '-32: idle pulley, 4: supporting frame, 4-1: supporting frame main shaft via hole, 3-2L, 3 '-2L: connecting lever tooth bar, 3-AA: gear shaft main side, 3-AB: gear shaft is from end, 3AA: overload clutch A portion, 3AB: overload clutch B portion.
[embodiment]
Embodiment 1:
Refer to shown in Fig. 1 to Fig. 3-2, a kind of rotor axial displacement controlling mechanism of the utility model, comprises main shaft 0, rotor and flange 1, bearing unit 2, regulon and supporting frame 4.
The rotor flange neck 1-1 of rotor and flange 1 is sleeved on main shaft 0 periphery, can with main shaft 0 synchronous rotary, and can sliding axially along main shaft 0; The inner ring of bearing unit 2 is fixed on rotor flange neck 1-1 periphery; The outer ring of bearing unit 2 is symmetrically fixed with a pair tooth bar 3-2,3 '-2 and pair of bearings element displacement secondary guide 2-1,2 '-1, a pair tooth bar is symmetrical arranged up and down, and pair of bearings element displacement secondary guide is symmetrical set.
Supporting frame 4 is provided with the supporting frame main shaft via hole 4-1 passed for main shaft 0, the secondary guide pilot hole matched with bearing unit displacement secondary guide, the tooth bar pilot hole that matches with tooth bar, and main shaft 0 passes main shaft via hole 4-1; Bearing unit displacement secondary guide is through corresponding secondary guide pilot hole, and tooth bar is through corresponding tooth bar pilot hole.
Supporting frame about 4 is furnished with a pair gear housing 3-1,3 '-1; Cog in casing and be provided with a pair idle pulley 3-31,3-32, idle pulley 3-32 engages with gear shaft 3-A and idle pulley 3-32, and idle pulley 3-31 engages with tooth bar 3-2; Be provided with a pair idle pulley 3 '-31,3 '-32 in lower gear casing, idle pulley 3 '-32 engages with gear shaft 3-A and idle pulley 3 '-31, and idle pulley 3 '-31 engages with tooth bar 3 '-2.
When a kind of rotor axial displacement controlling mechanism of the utility model works, gear shaft 3-A rotates, rotated by a pair idle pulley (or an idle pulley) in upper and lower gear housing, just about a pair symmetrically arranged tooth bar can be driven along main shaft 0 axial-movement, while tooth bar motion, drag the outer ring of bearing unit 2, and then drag the inner ring of bearing unit 2, rotor flange neck 1-1 and rotor synchronously move along main shaft 0 direction, by symmetrically arranged tooth bar and bearing unit displacement secondary guide, make angle bearing unit accurately along main-shaft axis displacement, location, reduce the beat of angle bearing inside and outside ring, thus greatly reduce the probability that this bearing unit produces fault, slide in the sliding sleeve that bearing unit displacement secondary guide is arranged on supporting frame, guiding steadily.By controlling the forward and reverse of gear shaft 3-A, the movement direction of rotor can be controlled.
Refer to shown in Fig. 4, in the utility model the 2nd embodiment, difference from Example 1 is: replace with connecting lever tooth bar (3-2L, 3 '-2L) with by tooth bar (3-2,3 '-2), and cancels the idle pulley be arranged in gear housing, reduces element number and transmission link; Connecting lever tooth bar (3-2L, 3 '-2L) directly engages with gear shaft 3-A.
Refer to shown in Fig. 5-1 and Fig. 5-2, in the utility model the 3rd embodiment, difference from Example 1 is: between end 3-AB, arrange overload clutch at the gear shaft main side 3-AA of gear shaft 3-A and gear shaft, overload clutch comprises overload clutch A portion 3AA and overload clutch B portion 3AB, for the permanent-magnet speed governor product of certain structure, when overload phenomenon occurs, rotor end-face can bear the end thrust because of the generation of electric convolution magnetic field of super large, by this, the gear shaft of low speed action installs overload clutch in discontinuous operation (reliability is high, low cost, easy installation), described thrust makes gear shaft be separated from end with gear shaft main side by overload clutch, make the direction free displacement of described rotor i.e. described thrust reduction vertically, the coupling of permanent-magnet speed governor is weakened, clear up the hidden danger because of overload generation fault, namely transient error protection is realized.
Claims (9)
1. a rotor axial displacement controlling mechanism, is characterized in that, comprises main shaft (0), rotor and flange (1), bearing unit (2), regulon and supporting frame (4);
The rotor flange neck (1-1) of rotor and flange (1) is sleeved on main shaft (0) periphery; Inner ring/the outer ring of bearing unit (2) is fixed on rotor flange neck (1-1) periphery; Outer ring/the inner ring of bearing unit (2) is symmetrically fixed with tooth bar;
The tooth bar pilot hole that supporting frame (4) matches with tooth bar, tooth bar is through corresponding tooth bar pilot hole; Supporting frame (4) is provided with for driving tooth bar along the gear shaft (3-A) being parallel to main shaft (0) axial motion.
2. a kind of rotor axial displacement controlling mechanism according to claim 1, is characterized in that, the outer ring of described bearing unit (2) is provided with bearing unit displacement secondary guide.
3. a kind of rotor axial displacement controlling mechanism according to claim 1, is characterized in that, (4) are furnished with at least one gear housing with supporting frame; At least one idle pulley is installed in gear housing; Gear shaft (3-A) is by least one lazy wheel and rack engagement described.
4. a kind of rotor axial displacement controlling mechanism according to claim 1, is characterized in that, described tooth bar is connecting lever tooth bar; Described connecting lever tooth bar directly engages with gear shaft (3-A).
5. a kind of rotor axial displacement controlling mechanism according to claim 1, is characterized in that, the gear shaft main side (3-AA) of gear shaft (3-A) and gear shaft arrange overload clutch between end (3-AB).
6. a kind of rotor axial displacement controlling mechanism according to claim 1, is characterized in that, supporting frame (4) is provided with the supporting frame main shaft via hole (4-1) passed for main shaft (0); In supporting frame main shaft via hole (4-1), supplemental support bearing unit is set.
7. a kind of rotor axial displacement controlling mechanism according to claim 2, is characterized in that, supporting frame (4) is provided with the secondary guide pilot hole matched with bearing unit displacement secondary guide, is provided with sliding sleeve in secondary guide pilot hole.
8. a kind of rotor axial displacement controlling mechanism according to claim 1, is characterized in that, the direct geared on gear shaft (3-A) is engaged with tooth bar.
9. a kind of rotor axial displacement controlling mechanism according to claim 1, is characterized in that, bearing unit (2) is arranged with a pair tooth bar and pair of bearings element displacement secondary guide; (4) are furnished with a pair gear housing with supporting frame; At least one idle pulley is installed in gear housing; Gear shaft (3-A) is engaged with corresponding tooth bar by least one idle pulley described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520111601.XU CN204533421U (en) | 2015-02-15 | 2015-02-15 | A kind of rotor axial displacement controlling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520111601.XU CN204533421U (en) | 2015-02-15 | 2015-02-15 | A kind of rotor axial displacement controlling mechanism |
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| Publication Number | Publication Date |
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| CN204533421U true CN204533421U (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520111601.XU Active CN204533421U (en) | 2015-02-15 | 2015-02-15 | A kind of rotor axial displacement controlling mechanism |
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| CN (1) | CN204533421U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113315311A (en) * | 2021-05-25 | 2021-08-27 | 张涵宇 | Electric machine |
-
2015
- 2015-02-15 CN CN201520111601.XU patent/CN204533421U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113315311A (en) * | 2021-05-25 | 2021-08-27 | 张涵宇 | Electric machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |