CN204615592U - A kind of pressure-regulating device installed for electric machine rotor - Google Patents
A kind of pressure-regulating device installed for electric machine rotor Download PDFInfo
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- CN204615592U CN204615592U CN201520211007.8U CN201520211007U CN204615592U CN 204615592 U CN204615592 U CN 204615592U CN 201520211007 U CN201520211007 U CN 201520211007U CN 204615592 U CN204615592 U CN 204615592U
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- spring
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- main shaft
- axis body
- sliding tray
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Abstract
The utility model discloses a kind of pressure-regulating device installed for electric machine rotor, comprise axis body and the wedge being located at axis body bottom, the cylinder chamber that center line overlaps is provided with from top to bottom successively in described axis body, sliding tray and through hole, described cylinder chamber top is provided with and holds out against nut, slidably spring top board is provided with in described sliding tray, described holding out against between nut and spring top board is provided with spring, on the downside of described spring top board, center is provided with round bump, described projection indent forms apical pore, described round bump diameter is identical with through hole internal diameter, described wedge center perforate is connected with through hole, in rotor assembly press-in casing process, rotor pressure remains in controlled range, if rotor assembly has problems with coordinating between casing, then rotor assembly cannot be pressed into bearing chamber, thus can adjust in advance, the up-to-standard of press mounting stator and rotor can not only be ensured, and improve the efficiency of press mounting stator and rotor.
Description
Technical field
The utility model relates to a kind of auxiliary equipment of installing for motor, particularly relates to a kind of pressure-regulating device installed for electric machine rotor.
Background technology
Motor is power section indispensable in current industrial equipment, and it is primarily of parts compositions such as casing, rotating shaft, stator, end cap, bearings.Motor main performance has two large classes, and electric property and mechanical performance, electric property determines primarily of Electromagnetic Design, and mechanical performance then decides primarily of assembling process.Most important in whole assembling process is exactly the assembling between bearing and bearing with end cover room.What the domestic manufacturer of motor in the past adopted in process of production is all hard assembling, and very large to the damage of bearing, product line is once made qualification rate and cannot be improved, and has buried hidden danger to later stage motor actual moving process.
Utility model content
The utility model is in order to solve defect and the deficiency of the existence of above-mentioned prior art, provide a kind of pressure-regulating device installed for electric machine rotor, by pressure-regulating device, when installing rotor assembly and rear end cap, under the pressure effect set, be mounted to the relevant position in casing.
The technical solution of the utility model: a kind of pressure-regulating device installed for electric machine rotor, comprise axis body and the wedge being located at axis body bottom, the cylinder chamber that center line overlaps is provided with from top to bottom successively in described axis body, sliding tray and through hole, described cylinder chamber top is provided with and holds out against nut, slidably spring top board is provided with in described sliding tray, described holding out against between nut and spring top board is provided with spring, on the downside of described spring top board, center is provided with round bump, described projection indent forms apical pore, described round bump diameter is identical with through hole internal diameter, described wedge center perforate is connected with through hole.
Wedge of the present utility model is used for rotor assembly to press-fit in casing, be provided with in axis body spring, spring top board and with the suitable sliding tray of spring top board then for press-fiting rotating shaft, wherein sliding tray also can be described as regulating tank, its role is to, as press-fiting standard, when wedge press-fits after rotor assembly completes, spring top board is still positioned at sliding tray scope then installation qualification under the effect of rotating shaft and spring, apical pore wherein on the downside of spring top board is for withstanding the top of rotor, and its internal diameter is suitable in the diameter of rotor assembly.
As preferably, described axis body comprises the main shaft and countershaft that bottom is fixedly connected with, described countershaft bottom is socketed in main shaft, described main shaft and countershaft center line overlap, be provided with cavity between described countershaft outer wall and main shaft inwall, described cylinder chamber, sliding tray, through hole are all located in countershaft, and described wedge is located at main shaft bottom, described wedge diameter is identical with major axis diameter, and described main shaft top radially-outer surface is provided with pressing plate.
Axis body of the present utility model is divided into main shaft and countershaft, because main shaft and wedge its diameter when press-fiting rotor assembly specifies, establish the countershaft of cylinder chamber, sliding tray then can reduce diameter accordingly in it, and be provided with cavity between countershaft outer wall and main shaft inwall, thus reduce the loss of material, reduce production cost, its center platen is then for press-fiting back end cover for motor.
As preferably, through being less than cylinder chamber internal diameter in described sliding tray.
The setting of sliding tray internal diameter of the present utility model, by the sliding scale of restraining spring top board, under the action of the spring, spring top board upward sliding to be subject to the elastic force of spring larger, define well, when press-fiting rotating shaft, spring top board is subject to the pressure as rotating shaft, thus controls the position of rotating shaft installation.
As preferably, described in hold out against the spring base being provided with on the downside of nut and being fixedly connected with spring top, described spring base is integrative-structure with holding out against nut.
Spring base of the present utility model is provided with stud bumps, wherein bump diameter and spring inside diameter suitable, can well spring top and spring base be linked together, and spring base is that integrative-structure is connected more firm with holding out against nut, more reliably.
The beneficial effect of technique scheme of the present utility model is as follows: structure is simple, technology is synthesized, easy to use, by said apparatus, in rotor assembly press-in casing process, rotor pressure remains in controlled range, if rotor assembly has problems with coordinating between casing, then rotor assembly cannot be pressed into bearing chamber, thus can adjust in advance, the up-to-standard of press mounting stator and rotor can not only be ensured, and improve the efficiency of press mounting stator and rotor.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of pressure-regulating device embodiment for electric machine rotor installation of the utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
In figure, 1. hold out against nut, 2. countershaft, 3. spring base, 4. spring, 5. pressing plate, 6. spring top board, 7. main shaft, 8. wedge, 9. apical pore.
Embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The utility model provides a kind of pressure-regulating device installed for electric machine rotor for existing deficiency, as shown in Figure 1, comprise axis body and the wedge 8 being located at axis body bottom, described axis body comprises the main shaft 7 and countershaft 2 that bottom is fixedly connected with, described main shaft 7 top radially-outer surface is provided with pressing plate 5, and its center platen is then for press-fiting back end cover for motor.
As shown in Figure 2, described countershaft 2 bottom is socketed in main shaft 7, described main shaft 7 and countershaft 2 center line overlap, cavity is provided with between described countershaft 2 outer wall and main shaft 7 inwall, thus reduce the loss of material, reduce production cost, the cylinder chamber that center line overlaps is provided with from top to bottom successively in described countershaft 2, sliding tray and through hole, through being less than cylinder chamber internal diameter in sliding tray, wherein sliding tray also can be described as regulating tank, its role is to, as press-fiting standard, when wedge press-fits after rotor assembly completes, spring top board 6 is still positioned at sliding tray scope then installation qualification under the effect of rotor and spring, described cylinder chamber top is provided with and holds out against nut 1, slidably spring top board 6 is provided with in described sliding tray, described holding out against between nut 1 and spring top board 6 is provided with spring 4, hold out against the spring base 3 being provided with on the downside of nut 1 and being fixedly connected with spring 4 top, described spring base 3 is integrative-structure with holding out against nut 1, wherein bump diameter and spring 4 internal diameter suitable, well spring 4 top and spring base 3 can be linked together, and spring base 3 is that integrative-structure is connected more firm with holding out against nut 1, more reliable.On the downside of described spring top board 6, center is provided with round bump, described projection indent forms apical pore 9, apical pore 9 on the downside of spring top board 6 is for withstanding the top of rotor, its internal diameter is suitable in the diameter of rotor assembly, described round bump diameter is identical with through hole internal diameter, described wedge is located at main shaft bottom, and described wedge diameter is identical with major axis diameter, and described wedge 8 center perforate is connected with through hole.
The beneficial effect of technique scheme of the present utility model is as follows: structure is simple, technology is synthesized, easy to use, by said apparatus, in rotor assembly press-in casing process, rotor pressure remains in controlled range, if rotor assembly has problems with coordinating between casing, then rotor assembly cannot be pressed into bearing chamber, thus can adjust in advance, the up-to-standard of press mounting stator and rotor can not only be ensured, and improve the efficiency of press mounting stator and rotor.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (4)
1. the pressure-regulating device installed for electric machine rotor, it is characterized in that, comprise axis body and the wedge being located at axis body bottom, the cylinder chamber that center line overlaps is provided with from top to bottom successively in described axis body, sliding tray and through hole, described cylinder chamber top is provided with and holds out against nut, slidably spring top board is provided with in described sliding tray, described holding out against between nut and spring top board is provided with spring, on the downside of described spring top board, center is provided with round bump, described projection indent forms apical pore, described round bump diameter is identical with through hole internal diameter, described wedge center perforate is connected with through hole.
2. a kind of pressure-regulating device installed for electric machine rotor according to claim 1, it is characterized in that, described axis body comprises the main shaft and countershaft that bottom is fixedly connected with, described countershaft bottom is socketed in main shaft, described main shaft and countershaft center line overlap, cavity is provided with between described countershaft outer wall and main shaft inwall, described cylinder chamber, sliding tray, through hole are all located in countershaft, described wedge is located at main shaft bottom, described wedge diameter is identical with major axis diameter, and described main shaft top radially-outer surface is provided with pressing plate.
3. a kind of pressure-regulating device installed for electric machine rotor according to claim 2, is characterized in that, through being less than cylinder chamber internal diameter in described sliding tray.
4. a kind of pressure-regulating device installed for electric machine rotor according to claim 1 or 2 or 3, is characterized in that, described in hold out against the spring base being provided with on the downside of nut and being fixedly connected with spring top, described spring base is with to hold out against nut be integrative-structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520211007.8U CN204615592U (en) | 2015-04-08 | 2015-04-08 | A kind of pressure-regulating device installed for electric machine rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520211007.8U CN204615592U (en) | 2015-04-08 | 2015-04-08 | A kind of pressure-regulating device installed for electric machine rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204615592U true CN204615592U (en) | 2015-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520211007.8U Active CN204615592U (en) | 2015-04-08 | 2015-04-08 | A kind of pressure-regulating device installed for electric machine rotor |
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| CN (1) | CN204615592U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112072863A (en) * | 2019-06-11 | 2020-12-11 | 无锡东精电微电机有限公司 | Motor assembling jig for preventing bearing damage |
-
2015
- 2015-04-08 CN CN201520211007.8U patent/CN204615592U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112072863A (en) * | 2019-06-11 | 2020-12-11 | 无锡东精电微电机有限公司 | Motor assembling jig for preventing bearing damage |
| CN112072863B (en) * | 2019-06-11 | 2024-01-12 | 无锡东精电微电机有限公司 | Prevent motor assemblage tool of bearing damage |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |