CN212509422U

CN212509422U - Variable transmission ratio belt pulley mechanism of generator

Info

Publication number: CN212509422U
Application number: CN202021031653.3U
Authority: CN
Inventors: 徐子贤; 徐士路; 徐士刚
Original assignee: Wujiang Ruinuo Machinery Equipment Processing Co ltd
Current assignee: Wujiang Ruinuo Machinery Equipment Processing Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-02-09
Anticipated expiration: 2030-06-08

Abstract

The utility model relates to a belt pulley technical field just discloses a variable drive ratio belt pulley mechanism of generator, including the belt pulley body, evenly distributed's movable hole is seted up along the circumferencial direction in the front of belt pulley body, the front swing joint that the front of belt pulley body and be located the movable hole has the movable block. This variable drive ratio belt pulley mechanism of generator, it removes to drive the fly leaf through the threaded rod, make the locating lever break away from the inside of constant head tank, then can manually adjust connecting rod and movable block, change the diameter size between each movable block, thereby change its drive ratio, adjust and accomplish the back, it removes to drive the fly leaf through the threaded rod, thereby make the one end of locating lever peg graft in the inside that corresponds the constant head tank, fix the movable block through the locating rod, avoid it to take place the skew rotating the in-process, influence its use, thereby simple structure has been reached, convenient to use and be convenient for adjust the purpose of its drive ratio.

Description

Variable transmission ratio belt pulley mechanism of generator

Technical Field

The utility model relates to a belt pulley technical field specifically is a variable drive ratio belt pulley mechanism of generator.

Background

The belt pulley belongs to a hub part, generally has a large relative size, generally is cast and forged in a manufacturing process, generally has a large size and is designed to be cast, the material is generally cast iron (the casting performance is good), and the steel is rarely cast (the casting performance of the steel is poor); generally, the belt pulley is small in size, can be designed to be forged, is made of steel, and is mainly used in occasions for transmitting power at 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 small horsepower motorcycles, the transmission of power of agricultural machinery, air compressors, speed reducers, generators, cotton ginning machines and the like.

The diameter of a belt pulley in the prior art is generally fixed, so that the transmission ratio of the belt pulley is invariable, and the transmission ratio of the belt pulley needs to be changed sometimes in the actual use process of the generator, so that the use of the generator is inconvenient, and a variable transmission ratio belt pulley mechanism of the generator is proposed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a generator variable drive ratio belt pulley mechanism possesses simple structure, and convenient to use and be convenient for adjust advantages such as its drive ratio, it is generally fixed to have solved its diameter of belt pulley among the prior art, and this just makes its drive ratio unchangeable, and the generator need change the drive ratio of belt pulley at the in-process of in-service use sometimes, and this just leads to its problem of using comparatively inconvenient.

In order to achieve the above object, the utility model provides a following technical scheme: a variable transmission ratio belt pulley mechanism of a generator comprises a belt pulley body, wherein movable holes are uniformly distributed in the circumferential direction in the front of the belt pulley body, movable blocks are movably connected to the front of the belt pulley body and positioned in the movable holes, fixed teeth are fixedly connected to the outer sides of the movable blocks and uniformly distributed, connecting rods are fixedly connected to the back of the movable blocks, one end of the back of each connecting rod penetrates through the movable holes and extends to the back of the belt pulley body, fixed plates are fixedly connected to both sides of the connecting rods and positioned on the back of the belt pulley body, the front of each fixed plate is in contact with the back of the belt pulley body, a threaded rod is movably connected to one end of the back of each connecting rod, a movable plate is in threaded connection with the surface of the threaded rod, positioning rods are fixedly connected to both sides of the front of the movable plate, the positive one end of locating lever is pegged graft in the inside of constant head tank.

Preferably, through holes are formed in two sides of the back face of the fixing plate, and the positioning rod is connected inside the through holes in a sliding mode.

Preferably, one end of the back of the connecting rod is fixedly connected with a bearing, and one end of the threaded rod is fixedly connected with an inner ring of the bearing.

Preferably, the back of the movable plate is provided with a thread groove, and the threaded rod is connected to the inside of the thread groove in a threaded manner.

Preferably, the both sides of connecting rod are located the equal fixedly connected with slider in the inside of activity hole, the spout that corresponds with the slider is seted up to the inner wall in activity hole, slider sliding connection is in the inside of spout.

Preferably, the outside fixedly connected with L type stopper of fixed plate, the spacing groove that corresponds with L type stopper is seted up at the back of belt pulley body, L type stopper sliding connection is in the inside of spacing groove.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. this variable drive ratio belt pulley mechanism of generator, it removes to drive the fly leaf through the threaded rod, make the locating lever break away from the inside of constant head tank, then can manually adjust connecting rod and movable block, change the diameter size between each movable block, thereby change its drive ratio, adjust and accomplish the back, it removes to drive the fly leaf through the threaded rod, thereby make the one end of locating lever peg graft in the inside that corresponds the constant head tank, fix the movable block through the locating rod, avoid it to take place the skew rotating the in-process, influence its use, thereby simple structure has been reached, convenient to use and be convenient for adjust the purpose of its drive ratio.

2. This variable drive ratio belt pulley mechanism of generator carries on spacingly through the through-hole to the locating lever, avoid its in-process that removes in the front and back to take place the skew, avoid the connecting rod to follow the threaded rod through the bearing and rotate, cause its to damage, the fly leaf can the back-and-forth movement when making the threaded rod rotate through the thread groove, then carry on spacingly to the connecting rod through slider and spout, avoid it to take place the skew at the in-process that removes, carry on spacingly to the fixed plate through L type stopper and spacing groove, avoid it to take place the skew in accommodation process.

Drawings

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a schematic view of the back side of the overall structure of the present invention;

FIG. 3 is a side sectional view of the belt pulley body and the movable block;

fig. 4 is a top view and a cross-sectional view of the belt pulley body and the movable block of the present invention.

In the figure: 1. a pulley body; 2. a movable hole; 3. a movable block; 4. fixing teeth; 5. a limiting groove; 6. a threaded rod; 7. positioning a groove; 8. a fixing plate; 9. an L-shaped limiting block; 10. a movable plate; 11. a chute; 12. a slider; 13. a connecting rod; 14. a bearing; 15. a thread groove; 16. positioning a rod; 17. and a through hole.

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 work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, a variable transmission ratio belt pulley mechanism of a generator comprises a belt pulley body 1, wherein the front surface of the belt pulley body 1 is provided with uniformly distributed movable holes 2 along the circumferential direction, the front surface of the belt pulley body 1 and the front surface of the movable holes 2 are movably connected with movable blocks 3, the outer sides of the movable blocks 3 are fixedly connected with uniformly distributed fixed teeth 4, the back surface of the movable blocks 3 is fixedly connected with connecting rods 13, one end of the back surface of each connecting rod 13 penetrates through the movable holes 2 and extends to the back surface of the belt pulley body 1, both sides of each connecting rod 13 and the back surface of the belt pulley body 1 are fixedly connected with fixed plates 8, the front surface of each fixed plate 8 is in contact with the back surface of the belt pulley body 1, one end of the back surface of each connecting rod 13 is movably connected with a threaded rod 6, the surface of, the back of the belt pulley body 1 is provided with a positioning groove 7 corresponding to a positioning rod 16, the front end of the positioning rod 16 is inserted in the positioning groove 7, when in use, a chain is wound on the surface of the movable block 3 to be meshed with the fixed teeth 4, the belt pulley can be used, when the transmission ratio of the belt pulley needs to be adjusted, the threaded rod 6 is manually rotated, the movable plate 10 is driven to move through the threaded rod 6, the positioning rod 16 is separated from the inside of the positioning groove 7, then the connecting rod 13 and the movable block 3 can be manually adjusted, the diameter between the movable blocks 3 is changed, the transmission ratio is changed, after the adjustment is completed, the threaded rod 6 is rotated, the movable plate 10 is driven to move through the threaded rod 6, so that one end of the positioning rod 16 is inserted in the corresponding positioning groove 7, the movable block 3 is fixed through the positioning rod 16, and the deviation of the, the use of the gear transmission mechanism is influenced, so that the purposes of simple structure, convenient use and convenient adjustment of the transmission ratio are achieved.

Referring to fig. 4, through holes 17 are formed on both sides of the back surface of the fixing plate 8, the positioning rod 16 is slidably connected inside the through holes 17, and the positioning rod 16 is limited by the through holes 17 to prevent the positioning rod from shifting in the front-back moving process.

Referring to fig. 3 and 4, a bearing 14 is fixedly connected to one end of the back surface of the connecting rod 13, one end of the threaded rod 6 is fixedly connected to an inner ring of the bearing 14, and the bearing 14 prevents the connecting rod 13 from rotating along with the threaded rod 6 and causing damage to the threaded rod 13.

Referring to fig. 3 and 4, a thread groove 15 is formed on the back surface of the movable plate 10, the threaded rod 6 is threadedly connected inside the thread groove 15, and the movable plate 10 can move forward and backward when the threaded rod 6 rotates through the thread groove 15.

Referring to fig. 3 and 4, the two sides of the connecting rod 13 are fixedly connected with the sliding blocks 12 inside the movable hole 2, the inner wall of the movable hole 2 is provided with the sliding grooves 11 corresponding to the sliding blocks 12, the sliding blocks 12 are slidably connected inside the sliding grooves 11, and the connecting rod 13 is limited by the sliding blocks 12 and the sliding grooves 11, so that the connecting rod is prevented from being deviated in the moving process.

Please refer to fig. 2 and 4, the outer side of the fixing plate 8 is fixedly connected with an L-shaped limiting block 9, the back of the belt pulley body 1 is provided with a limiting groove 5 corresponding to the L-shaped limiting block 9, the L-shaped limiting block 9 is slidably connected inside the limiting groove 5, and the fixing plate 8 is limited by the L-shaped limiting block 9 and the limiting groove 5, so as to avoid the deviation in the adjusting process.

The working principle is as follows: when using, with the chain around establishing the surface at movable block 3, make it and the meshing of fixed tooth 4, can use, when its drive ratio needs to be adjusted, manual rotation threaded rod 6, drive fly leaf 10 through threaded rod 6 and remove, make locating lever 16 break away from the inside of constant head tank 7, then can manually adjust connecting rod 13 and movable block 3, change the diameter size between each movable block 3, thereby change its drive ratio, adjust the completion back, rotate threaded rod 6, drive fly leaf 10 through threaded rod 6 and remove, thereby make the one end of locating lever 16 peg graft in the inside that corresponds constant head tank 7, fix movable block 3 through locating lever 16, avoid it to take place the skew at the rotation in-process, influence its use, thereby reach simple structure, convenient to use and be convenient for adjust the purpose of its drive ratio.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a variable drive ratio belt pulley mechanism of generator, includes belt pulley body (1), its characterized in that: the belt pulley comprises a belt pulley body (1), wherein movable holes (2) which are uniformly distributed are formed in the front surface of the belt pulley body (1) along the circumferential direction, a movable block (3) is movably connected to the front surface of the belt pulley body (1) and is positioned in the movable holes (2), fixed teeth (4) which are uniformly distributed are fixedly connected to the outer side of the movable block (3), a connecting rod (13) is fixedly connected to the back surface of the movable block (3), one end of the back surface of the connecting rod (13) penetrates through the movable holes (2) and extends to the back surface of the belt pulley body (1), fixed plates (8) are fixedly connected to the two sides of the connecting rod (13) and are positioned on the back surface of the belt pulley body (1), the front surface of each fixed plate (8) is in contact with the back surface of the belt pulley body (1), a threaded rod (6) is, the belt pulley is characterized in that positioning rods (16) are fixedly connected to two sides of the front face of the movable plate (10), positioning grooves (7) corresponding to the positioning rods (16) are formed in the back face of the belt pulley body (1), and one ends of the front faces of the positioning rods (16) are inserted into the positioning grooves (7).

2. The variable transmission ratio belt pulley mechanism of an electric generator according to claim 1, wherein: through-hole (17) have all been seted up to the both sides at fixed plate (8) back, locating lever (16) sliding connection is in the inside of through-hole (17).

3. The variable transmission ratio belt pulley mechanism of an electric generator according to claim 1, wherein: one end fixedly connected with bearing (14) on connecting rod (13) back, the one end of threaded rod (6) and the inner circle fixed connection of bearing (14).

4. The variable transmission ratio belt pulley mechanism of an electric generator according to claim 1, wherein: the back of the movable plate (10) is provided with a thread groove (15), and the threaded rod (6) is connected to the inside of the thread groove (15) in a threaded mode.

5. The variable transmission ratio belt pulley mechanism of an electric generator according to claim 1, wherein: the both sides of connecting rod (13) are located equal fixedly connected with slider (12) in the inside of activity hole (2), spout (11) that correspond with slider (12) are seted up to the inner wall of activity hole (2), slider (12) sliding connection is in the inside of spout (11).

6. The variable transmission ratio belt pulley mechanism of an electric generator according to claim 1, wherein: the outside fixedly connected with L type stopper (9) of fixed plate (8), spacing groove (5) that correspond with L type stopper (9) are seted up at the back of belt pulley body (1), L type stopper (9) sliding connection is in the inside of spacing groove (5).