CN214946154U - Belt pulley fastening mechanism - Google Patents
Belt pulley fastening mechanism Download PDFInfo
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- CN214946154U CN214946154U CN202121190915.5U CN202121190915U CN214946154U CN 214946154 U CN214946154 U CN 214946154U CN 202121190915 U CN202121190915 U CN 202121190915U CN 214946154 U CN214946154 U CN 214946154U
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- fixed cover
- belt pulley
- transmission shaft
- fastening
- fixing sleeve
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Abstract
The utility model provides a belt pulley fastening device, including the belt pulley, the mounting groove has been seted up at the center of belt pulley, run through in the mounting groove and be provided with the transmission shaft, the transmission shaft with be provided with the fixed cover of first fixed cover and second between the belt pulley, first fixed cover with the fixed cover of second all through mounting bolt with transmission shaft fixed connection, first fixed cover with link to each other through fastening bolt between the fixed cover of second. By adopting the technical scheme, the beneficial effects of the utility model are that: the utility model discloses an installation bolt installs the transmission shaft with first fixed cover and the fixed cover of second on, through the cooperation of stopper and spacing groove, makes the fixed cover of first fixed cover and second and belt pulley microstructure, and then it is rotatory to drive the belt pulley, when the bolt is not hard up or when wearing and tearing, does not influence the normal use of belt pulley, avoids accident's emergence, prolongs the life of motor.
Description
Technical Field
The utility model belongs to the technical field of the belt pulley technique and specifically relates to a belt pulley fastening device is related to.
Background
The belt pulley belongs to a hub part, generally has a relatively large size, and is mainly cast and forged in the manufacturing process. The common large-size design is a casting method, the materials are generally cast iron, and cast steel is rarely used; generally, the steel is small in size and can be designed to be forged, and the material is steel. The belt pulley is mainly used in the occasion of transmitting power at a long distance, such as the output of small diesel engine power, agricultural vehicles, tractors, automobiles, mining machinery, machining equipment, textile machinery, packaging machinery, lathes, forging beds, the transmission of power of some small horsepower motorcycles, the transmission of power of agricultural machinery, air compressors, speed reducers, generators, cotton gins and the like.
The belt pulley fixing mode that uses on the current generator selects for use belt pulley terminal surface and spring washer and hexagon nut locking cooperation. The contact surface position of the belt pulley and the spring washer is easy to generate belt pulley deformation after the nut is locked, so that the belt pulley jumps, the contact surface position of the belt pulley and the spring washer is seriously abraded after a long time, the locking connection of the belt pulley is loosened, even the belt pulley falls off, and the abrasion between a slip ring and a carbon brush in the generator is aggravated after the long time, so that the service life of the generator is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model provides a belt pulley fastening device, what put forward in solving above-mentioned background art is that belt pulley terminal surface and spring washer add hexagon nut locking cooperation for use to current belt pulley, belt pulley and spring washer contact surface position produce the belt pulley after the nut locking easily and warp, thereby produce the belt pulley and beat, long time back belt pulley and spring washer contact surface position wearing and tearing are serious, the locking connection that leads to the belt pulley is not hard up or even the belt pulley drops, and long time also can aggravate the wearing and tearing between the sliding ring and the carbon brush of generator the inside, thereby make the generator life shorten the scheduling problem.
The technical scheme of the utility model is realized like this:
the utility model provides a belt pulley fastening device, includes the belt pulley, the mounting groove has been seted up at the center of belt pulley, run through being provided with the transmission shaft in the mounting groove, the transmission shaft with be provided with the fixed cover of first fixed cover and second between the belt pulley, first fixed cover with the fixed cover of second all through construction bolt with transmission shaft fixed connection, first fixed cover with link to each other through fastening bolt between the fixed cover of second.
Preferably, the two ends of the inner wall of the mounting groove are uniformly provided with corresponding limiting grooves, and the limiting grooves at the two ends penetrate through the two sides of the belt pulley respectively.
Preferably, the outer sides of the first fixing sleeve and the second fixing sleeve are provided with limiting blocks correspondingly matched with the limiting grooves.
Preferably, the transmission shaft is provided with two positioning threaded holes, and the positioning threaded holes are respectively positioned on two sides of the belt pulley.
Preferably, the first fixing sleeve and the second fixing sleeve are respectively provided with a first mounting threaded hole and a second mounting threaded hole which correspond to the positioning threaded holes.
Preferably, the transmission shaft is sleeved with a fastening ring outside, and the fastening ring is located between the first fixing sleeve and the second fixing sleeve.
Preferably, the side surfaces of the first fixing sleeve and the second fixing sleeve are respectively provided with a first fastening threaded hole and a second fastening threaded hole which are corresponding to each other in a penetrating manner.
By adopting the technical scheme, the beneficial effects of the utility model are that:
the utility model discloses an installation bolt installs the transmission shaft with first fixed cover and the fixed cover of second on, through the cooperation of stopper and spacing groove, makes the fixed cover of first fixed cover and second and belt pulley microstructure, and then it is rotatory to drive the belt pulley, when the bolt is not hard up or when wearing and tearing, does not influence the normal use of belt pulley, avoids accident's emergence, prolongs the life of motor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of a first fixing sleeve and a second fixing sleeve of the present invention;
fig. 3 is a side view of the first fixing sleeve of the present invention.
Wherein:
1. a belt pulley; 101. a limiting groove; 2. a drive shaft; 201. positioning the threaded hole; 3. mounting grooves; 4. a first fixing sleeve; 401. a first mounting threaded hole; 402. a first fastening threaded hole; 5. a second fixing sleeve; 501. a second mounting threaded hole; 502. a second fastening threaded hole; 6. a fastening ring; 7. installing a bolt; 8. fastening a bolt; 9. and a limiting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, a belt pulley fastening mechanism includes a belt pulley 1, a mounting groove 3 is formed in the center of the belt pulley 1, a transmission shaft 2 penetrates through the mounting groove 3, a first fixing sleeve 4 and a second fixing sleeve 5 are arranged between the transmission shaft 2 and the belt pulley 1, the first fixing sleeve 4 and the second fixing sleeve 5 are both fixedly connected with the transmission shaft 2 through a mounting bolt 7, and the first fixing sleeve 4 is connected with the second fixing sleeve 5 through a fastening bolt 8.
Specifically, two ends of the inner wall of the mounting groove 3 are uniformly provided with corresponding limiting grooves 101, the limiting grooves 101 at the two ends respectively penetrate through two sides of the belt pulley 1, and the outer sides of the first fixing sleeve 4 and the second fixing sleeve 5 are provided with limiting blocks 9 correspondingly matched with the limiting grooves 101; so set up, through the cooperation of stopper 9 and spacing groove 101, make the fixed cover of first fixed cover 4 and second 5 can drive belt pulley 1 rotatory.
Specifically, two positioning threaded holes 201 are formed in the transmission shaft 2, the positioning threaded holes 201 are respectively located on two sides of the belt pulley 1, and a first mounting threaded hole 401 and a second mounting threaded hole 501, which correspond to the positioning threaded holes 201, are respectively formed in the first fixing sleeve 4 and the second fixing sleeve 5; so set up, insert mounting bolt 7 in proper order installation screw hole and location screw hole 201, through the cooperation between mounting bolt 7, first installation screw hole 401, second installation screw hole 501 and the location screw hole 201, respectively with the fixed cover 5 of first fixed cover 4 and second firmly fix on transmission shaft 2.
In particular, the transmission shaft 2 is externally sheathed with a fastening ring 6, the fastening ring 6 being located between the first and second housings 4, 5.
Specifically, the side surfaces of the first fixing sleeve 4 and the second fixing sleeve 5 are respectively provided with a first fastening threaded hole 402 and a second fastening threaded hole 502 which are corresponding to each other in a penetrating manner; so set up, insert fastening bolt 8 inside first fastening screw hole 402 and second fastening screw hole 502 in proper order, through the cooperation between fastening bolt 8, first fastening screw hole 402 and the second fastening screw hole 502, can be in the same place the drawing firmly of first fixed cover 4 and second fixed cover 5, and then consolidate the installation of first fixed cover 4 and second fixed cover 5.
The working principle is as follows:
the utility model discloses an on transmission shaft 2 was installed with the fixed cover 5 of first fixed cover 4 and second to construction bolt 7, through stopper 9 and spacing groove 101's cooperation, made the fixed cover 5 of first fixed cover 4 and second and belt pulley 1 mutual structure, and then driven belt pulley 1 rotatory, when the bolt is not hard up or when wearing and tearing, did not influence belt pulley 1's normal use, avoided accident's emergence, the life of extension motor.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A pulley fastening device characterized in that: including belt pulley (1), mounting groove (3) have been seted up at the center of belt pulley (1), run through being provided with transmission shaft (2) in mounting groove (3), transmission shaft (2) with be provided with the fixed cover of first fixed cover (4) and second (5) between belt pulley (1), first fixed cover (4) with the fixed cover of second (5) all through mounting bolt (7) with transmission shaft (2) fixed connection, first fixed cover (4) with link to each other through fastening bolt (8) between the fixed cover of second (5).
2. A pulley fastening mechanism according to claim 1, characterized in that: the two ends of the inner wall of the mounting groove (3) are evenly provided with corresponding limiting grooves (101), and the limiting grooves (101) at the two ends respectively penetrate through the two sides of the belt pulley (1).
3. A pulley fastening mechanism according to claim 2, wherein: the outer sides of the first fixing sleeve (4) and the second fixing sleeve (5) are provided with limiting blocks (9) correspondingly matched with the limiting grooves (101).
4. A pulley fastening mechanism according to claim 1, characterized in that: two positioning threaded holes (201) are formed in the transmission shaft (2), and the positioning threaded holes (201) are located on two sides of the belt pulley (1) respectively.
5. A pulley fastening mechanism according to claim 4, characterized in that: and the first fixing sleeve (4) and the second fixing sleeve (5) are respectively provided with a first mounting threaded hole (401) and a second mounting threaded hole (501) which correspond to the positioning threaded hole (201).
6. A pulley fastening mechanism according to claim 1, characterized in that: the outside cover of transmission shaft (2) has fastening ring (6), fastening ring (6) are located first fixed cover (4) with between the fixed cover of second (5).
7. A pulley fastening mechanism according to claim 1, characterized in that: the side surfaces of the first fixing sleeve (4) and the second fixing sleeve (5) are respectively provided with a first fastening threaded hole (402) and a second fastening threaded hole (502) which are corresponding to each other in a penetrating way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121190915.5U CN214946154U (en) | 2021-05-31 | 2021-05-31 | Belt pulley fastening mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121190915.5U CN214946154U (en) | 2021-05-31 | 2021-05-31 | Belt pulley fastening mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214946154U true CN214946154U (en) | 2021-11-30 |
Family
ID=79056925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121190915.5U Active CN214946154U (en) | 2021-05-31 | 2021-05-31 | Belt pulley fastening mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214946154U (en) |
-
2021
- 2021-05-31 CN CN202121190915.5U patent/CN214946154U/en active Active
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