CN204628052U - For the main shaft modified node method of water pump drive group - Google Patents
For the main shaft modified node method of water pump drive group Download PDFInfo
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- CN204628052U CN204628052U CN201520238022.1U CN201520238022U CN204628052U CN 204628052 U CN204628052 U CN 204628052U CN 201520238022 U CN201520238022 U CN 201520238022U CN 204628052 U CN204628052 U CN 204628052U
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Abstract
The utility model relates to water pump drive group parts, specifically relates to the main shaft modified node method for water pump drive group, belongs to mechanical water pump design field.Comprise main shaft entirety, the overall one end of described main shaft is working end, the other end is drive end, water pump vane position is provided with in main shaft bearing end, shell position is followed successively by along water pump vane position, drive end direction, non-contact seals position, axle one end of described non-contact seals position connects first shaft shoulder, the position of first another side shaft of the shaft shoulder is position of bearings, bearing end, and then the position of bearing end bearing is connected with the first locking nut position, axle behind locking nut position is second shaft shoulder, main shaft structure adopts asymmetric structure, realize can changing smoothly from drive end comprising load-bearing and driving bearing and various quick-wear part, the cooperation diameter of axle from load-bearing bearing tapers off structure, convenient disassembly is reliable, save cost, do not need whole dismountings of whole link main shaft.
Description
Technical field
The utility model relates to water pump drive group parts, specifically relates to the main shaft modified node method for water pump drive group, belongs to mechanical water pump design field.
Background technique
In water pump drive structure, main shaft adopts a symmetrical main shaft form usually, with intermediate spindle large footpath center line for symmetrical line, main shaft one end connects equipment, the other end connecting drive device, main shaft structure be both sides diametrically both direction reduce trend gradually, main shaft both sides diameter is all successively decreasing, and is that horizontal equal diameter is successively decreased at the regional diameter that successively decreases of placement bearing.The minimum diameter of working end main shaft is the profile ID of water pump, then be frame internal diameter, then be passive spheric roller bearing internal diameter size fit diameter again, shaft shoulder symmetry center more with that, main shaft is divided into two-part, another part of symmetry axis drives spheric roller bearing minor diameter fit size frame minor diameter fit, minimum diameter is rotating power motor diameter, the disadvantage that this traditional Placement exists is when load-bearing bearing and driving bearing need to change, must all dismantle all parts from two ends to change, cost is high, maintenance difficulty, especially the replacing of large pump, difficulty is large especially, run to bring to the operation of enterprise and have a strong impact on.
Summary of the invention
In view of the defect that above-mentioned technology exists, the purpose of this utility model there is provided a kind of main shaft modified node method for water pump drive group, this main shaft structure adopts asymmetric main shaft structure, realize not only to change driving bearing smoothly from drive end, also can change load-bearing bearing quick-wear part smoothly, convenient disassembly is reliable, save cost, do not need whole dismountings of whole link main shaft, thus improve the working efficiency of water pump, reduce the every cost of maintenance.
To achieve these goals, the technological scheme that the utility model adopts is: for the main shaft modified node method of water pump drive group, it is characterized in that: comprise main shaft entirety, the overall one end of described main shaft is working end, the other end is drive end, water pump vane position is provided with in main shaft bearing end, shell position is followed successively by along water pump vane position, drive end direction, non-contact seals position, axle one end of described non-contact seals position connects first shaft shoulder, the position of first another side shaft of the shaft shoulder is position of bearings, bearing end, and then the position of bearing end bearing is connected with the first locking nut position, axle behind locking nut position is second shaft shoulder, the position of the axle after second shaft shoulder is drive end bearing position, and then the opposite side of drive end bearing position is connected with the second locking nut position again, on the axle be connected with the second locking nut position the other end, also be provided with Sealing, the opposite side of the axle in addition at Sealing place connects the axle matched with drive motor diameter dimension, main shaft external diameter project organization from working end, working end is to drive end diametrically reduction structure.
Described position of bearings, bearing end diameter is bevel inclination angle by working end to drive end, is arranged to centrum shape;
The position diameter of the first described locking nut is less than load-bearing end minimum taper diameter of axle size;
The size of described position of bearings, bearing end is identical with working end bearing bore diameter;
Described drive end bearing position diameter is bevel inclination angle by working end to drive end, is arranged to centrum shape;
The size of described drive end bearing position is identical with drive end bearing internal diameter;
The position diameter of the second described locking nut is less than drive end minimum taper diameter of axle size;
Described major axis diameter working end is designed to running wheel and major axis diameter cooperating structure, shell, non-contact sealing arrangement position are linked as uniform diameters section, after having crossed the first shaft shoulder diameter, major axis diameter is identical with non-standard tapered roller stuffing box bearing internal diameter size, as stuffing box bearing position, bearing end, this diameter section is provided with locking nut and main shaft extend and drive end stuffing box bearing, the maximum diameter of main shaft is in the outer end of load-bearing bearing.
Described drive end stuffing box bearing is identical with bearing end stuffing box bearing outside dimension, and bearing end stuffing box bearing internal diameter size is greater than drive end stuffing box bearing internal diameter size.
Effective effect of the present utility model is: main shaft structure adopts asymmetric structure, realize can changing smoothly from drive end comprising load-bearing and driving bearing and various quick-wear part, the cooperation diameter of axle from load-bearing bearing tapers off structure, convenient disassembly is reliable, save cost, do not need whole dismountings of whole link main shaft.
Accompanying drawing explanation
Fig. 1 is main shaft structure figure of the present utility model.
Fig. 2 is that main shaft and stuffing box bearing assemble schematic diagram.
Fig. 3 is the non-contact seals part structural drawing on main shaft.
In Fig. 1, a, with housing mating position, b, non-contact seals position, c, the first shaft shoulder position, d, position of bearings, bearing end, e, the first locking nut position, f, the second shaft shoulder position, g, drive end bearing position, h, the second locking nut position, A, working end, B, drive end.
In Fig. 2,1, main shaft, 2, locking nut, 3, non-contact seals part, 4, drive end stuffing box bearing, 5, bearing end stuffing box bearing.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
For the main shaft modified node method of water pump drive group, it is characterized in that: comprise main shaft entirety, the overall one end of described main shaft is working end, the other end is drive end, water pump vane position is provided with in main shaft working end, the diameter of axle is provided with cotter way, shell position is followed successively by along water pump vane position, drive end direction, non-contact seals position, axle one end of described non-contact seals position connects first shaft shoulder, the position of first another side shaft of the shaft shoulder is position of bearings, bearing end, and then the position of bearing end bearing is connected with the first locking nut position, axle behind locking nut position is second shaft shoulder, the position of the axle after second shaft shoulder is drive end bearing position, and then the opposite side of drive end bearing position is connected with the second locking nut position again, on the axle be connected with the second locking nut position the other end, also be provided with non-contact seals part, the inner diameter location of housing in addition at the opposite side of the axle at non-contact seals part place, next be the diameter of axle matched with drive motor diameter dimension, main shaft external diameter project organization from working end, working end is to drive end diametrically reduction structure.
Described position of bearings, bearing end diameter is bevel inclination angle by working end to drive end, and be arranged to centrum shape, Formation cross-section tapering 1 as shown in Figure 1;
The position diameter of the first described locking nut is less than load-bearing end minimum taper diameter of axle size;
The size of described position of bearings, bearing end is identical with working end bearing bore diameter;
Described drive end bearing position diameter is bevel inclination angle by working end to drive end, is arranged to centrum shape; Formation cross-section tapering 2 as shown in Figure 1;
The size of described drive end bearing position is identical with drive end bearing internal diameter;
The position diameter of the second described locking nut is less than drive end minimum taper diameter of axle size;
The maximum diameter of main shaft 1 is in the outer end of load-bearing end stuffing box bearing 5; Described non-contact seals part is the black box of Steel Skeleton cavity structure, as shown in Figure 3;
The maximum diameter of main shaft 1 is in the outer end of load-bearing end stuffing box bearing 5; Described non-contact seals part is the black box of Steel Skeleton cavity structure, as shown in Figure 3;
Described housing is small volume housing, and shell dimension is determined along with bearing outside diameter size, and the outside dimension of bearing is identical, and internal diameter is not identical;
Described drive end stuffing box bearing 4 is identical with bearing end stuffing box bearing 5 outside dimension, h1 length all as shown in Figure 2, and bearing end stuffing box bearing internal diameter size h2 is greater than drive end stuffing box bearing internal diameter size h3.
Described main shaft 1, from working end, to drive end diametrically reduction structure, namely part internal diameter size in working end is large, arrive drive end internal diameter size successively little, object is that on water pump link main shaft, any bearing parts or other Sealings find to damage, and does not need whole link spindle unit all to dismantle, only drive end main shaft support part is opened, take off drive end part support member, driving parts successively, working end part, changes, such dismounting and convenient and reliable, saves cost again.
The reduction structure of axle is the diameter of axle according to housing, the design of different bearing bore diameter, due to the hierarchic structure on axle, the shaft shoulder formed can do the locating face of bearing, can play the effect of bearing gear, in order to easy installation and removal, the stuffing box bearing of load-bearing can be identical with driving stuffing box bearing external diameter, internal diameter is not identical, and the bearing bore diameter axle position diameter of load-bearing is greater than the axle position diameter of driving bearing internal diameter, not only can remove and install bearing convenient, the shaft shoulder can be formed again, positioning bearing.Shaft shoulder side is not had at load-bearing bearing and driving bearing, be provided with locking nut screw thread, accurately bearing can be locked after bearing is installed, conveniently bearing is installed, locking nut external diameter is less than bearing bore diameter, drive motor main spindle's diameter is less than bearing bore diameter major axis diameter, and the internal diameter of non-contact seals part, frame internal diameter have concrete axle construction size of successively decreasing successively decreasing on axle, and taper off trend.
Claims (8)
1. for the main shaft modified node method of water pump drive group, it is characterized in that: comprise main shaft entirety, the overall one end of described main shaft is working end, the other end is drive end, water pump vane position is provided with in main shaft bearing end, shell position is followed successively by along water pump vane position, drive end direction, non-contact seals position, axle one end of described non-contact seals position connects first shaft shoulder, the position of first another side shaft of the shaft shoulder is position of bearings, bearing end, and then the position of bearing end bearing is connected with the first locking nut position, axle behind locking nut position is second shaft shoulder, the position of the axle after second shaft shoulder is drive end bearing position, and then the opposite side of drive end bearing position is connected with the second locking nut position again, on the axle be connected with the second locking nut position the other end, also be provided with Sealing, the opposite side of the axle in addition at Sealing place connects the axle matched with drive motor diameter dimension, main shaft external diameter project organization from working end, working end is to drive end diametrically reduction structure.
2. the main shaft modified node method for water pump drive group according to claim 1, is characterized in that described position of bearings, bearing end diameter is bevel inclination angle by working end to drive end, is arranged to centrum shape.
3. the main shaft modified node method for water pump drive group according to claim 1, is characterized in that the position diameter of the first described locking nut is less than load-bearing end minimum taper diameter of axle size.
4. the main shaft modified node method for water pump drive group according to claim 1, is characterized in that the size of described position of bearings, bearing end is identical with working end bearing bore diameter.
5. the main shaft modified node method for water pump drive group according to claim 1, is characterized in that described drive end bearing position diameter is bevel inclination angle by working end to drive end, is arranged to centrum shape.
6. the main shaft modified node method for water pump drive group according to claim 1, is characterized in that the size of described drive end bearing position is identical with drive end bearing internal diameter.
7. the main shaft modified node method for water pump drive group according to claim 1, is characterized in that the position diameter of the second described locking nut is less than drive end minimum taper diameter of axle size.
8. the main shaft modified node method for water pump drive group according to claim 1, it is characterized in that described drive end stuffing box bearing is identical with bearing end stuffing box bearing outside dimension, bearing end stuffing box bearing internal diameter size is greater than drive end stuffing box bearing internal diameter size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520238022.1U CN204628052U (en) | 2015-04-20 | 2015-04-20 | For the main shaft modified node method of water pump drive group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520238022.1U CN204628052U (en) | 2015-04-20 | 2015-04-20 | For the main shaft modified node method of water pump drive group |
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| CN204628052U true CN204628052U (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520238022.1U Active CN204628052U (en) | 2015-04-20 | 2015-04-20 | For the main shaft modified node method of water pump drive group |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776048A (en) * | 2015-04-20 | 2015-07-15 | 瓦房店爱国轴承研究院有限公司 | Improvement mode of main shaft for water pump driving group |
| CN109185327A (en) * | 2018-09-14 | 2019-01-11 | 汉中天行智能飞行器有限责任公司 | A kind of hyperbola multidiameter shaft |
-
2015
- 2015-04-20 CN CN201520238022.1U patent/CN204628052U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776048A (en) * | 2015-04-20 | 2015-07-15 | 瓦房店爱国轴承研究院有限公司 | Improvement mode of main shaft for water pump driving group |
| CN109185327A (en) * | 2018-09-14 | 2019-01-11 | 汉中天行智能飞行器有限责任公司 | A kind of hyperbola multidiameter shaft |
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| GR01 | Patent grant |