CN214743034U

CN214743034U - Single-cylinder diesel engine starting flywheel

Info

Publication number: CN214743034U
Application number: CN202120618824.0U
Authority: CN
Inventors: 王斌; 王宏星
Original assignee: Yancheng Risheng Machinery Co ltd
Current assignee: Yancheng Risheng Machinery Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-11-16
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses a single cylinder diesel engine starting flywheel, which comprises a flywheel body, wherein an inner cavity is arranged in the flywheel body, a sleeve shaft is fixedly arranged at the center, an adjusting disc is sleeved on the sleeve shaft in a rotating way, three eccentric grooves are arranged on the adjusting disc, balancing weights are all slidably arranged in the three eccentric grooves, three guide shafts are fixedly arranged on the side surface of the sleeve shaft, one ends of the guide shafts, which are far away from the sleeve shaft, are all fixedly arranged on the side wall of the inner cavity, the three balancing weights are respectively sleeved on the three guide shafts in a sliding way, the top of the adjusting disc is provided with a driving structure for rotating the adjusting disc, the existing single cylinder diesel engine starting flywheel is mostly a solid body, the structural form is simple, and the flywheel can only be used on a single cylinder diesel engine with one power, and the novel single cylinder diesel engine starting flywheel can allocate the mass distribution of the flywheel through the effect of the balancing weights, therefore, different rotary inertia is provided for diesel engines with different powers, and the usability of the flywheel is improved.

Description

Single-cylinder diesel engine starting flywheel

Technical Field

The utility model relates to a start flywheel technical field especially relates to a single cylinder diesel engine starts flywheel.

Background

Flywheels are wheel-like accumulators with a large moment of inertia mounted on the machine's rotating shaft. When the rotating speed of the machine is increased, the kinetic energy of the flywheel is increased, and the energy is stored; when the rotating speed of the machine is reduced, the kinetic energy of the flywheel is reduced, the energy is released, the flywheel can be used for reducing the speed fluctuation in the mechanical operation process, the flywheel is common to machines, automobiles, bicycles and the like, and the important point of the quality of the flywheel design is whether the rotational inertia of the flywheel is large enough. Current single cylinder diesel engine starts the flywheel, mostly is a solid body, and structural style is simple, and a flywheel only can be equipped with on the fixed single cylinder diesel of a power, and the work object is single, and the practicality is lower, and the inertia that the flywheel can provide is comparatively fixed, and this just needs the designer when designing single cylinder diesel, still need design the flywheel, has increased the task burden.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a single cylinder diesel engine starting flywheel.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a single cylinder diesel engine starts flywheel, includes the wheel body, the wheel body is internally equipped with the inner chamber, and the center department fixed mounting has a sleeve axle, it is equipped with the adjustment disk to rotate the cover on the sleeve axle, it has three eccentric grooves to equip with on the adjustment disk, three eccentric grooves all slidable mounting has the balancing weight, sleeve axle side fixed mounting has three guiding axles, three the guiding axle keeps away from the one end of sleeve axle all fixed mounting at the inner chamber lateral wall, three the balancing weight slides the cover respectively and establishes on three guiding axles, the adjustment disk top is equipped with the drive structure who is used for rotating the adjustment disk, the drive structure includes the arc rack, the arc rack fixed mounting is on the adjustment disk, the wheel body is in the arc rack both sides equal symmetrical fixed mounting platform, two horizontal rotation installs the screw rod of being connected with the meshing of arc rack in the mounting platform, the one end of screw rod stretches out the mounting platform, and an adjusting nut is fixedly installed.

Preferably, it is three the equal fixed mounting in one side that the balancing weight is close to the eccentric grove has many gag lever posts, many all fixed cover is equipped with the pulley on the gag lever post, three first spacing groove has all been seted up to the lateral wall about the eccentric grove is interior, and a plurality of pulleys are rolling contact with many first spacing groove tank bottoms.

Preferably, a plurality of rolling balls are embedded in the side wall of the adjusting disc, a second limiting groove is formed in the side wall of the inner cavity, and the plurality of rolling balls are in rolling contact with the bottom of the second limiting groove.

Preferably, threaded holes are formed in the surfaces, far away from the wheel body, of the two mounting tables, and locking screws are sleeved in the threaded holes in a threaded manner.

Preferably, the cross sections of the three balancing weights are all in a fan shape.

The utility model has the advantages that: through seting up the inner chamber in the internal portion of flywheel, slidable mounting balancing weight in the inner chamber, through adjusting the distance that the balancing weight is apart from the flywheel center to change the holistic mass distribution of flywheel, can make the flywheel provide different inertia like this, thereby can use on the single cylinder diesel of different powers.

Drawings

FIG. 1 is a schematic diagram of a front structure of a single cylinder diesel engine according to the present invention;

fig. 2 is a schematic view of a bottom view structure of a single cylinder diesel engine according to the present invention;

FIG. 3 is a schematic view of a portion of the enlarged structure of A in FIG. 2;

fig. 4 is a partially enlarged structural diagram of B in fig. 2.

In the figure: the device comprises a wheel body 1, an inner cavity 2, a sleeve shaft 3, an adjusting disc 4, an eccentric groove 5, a balancing weight 6, a guide shaft 7, an arc-shaped rack 8, a placing table 9, a screw rod 10, an adjusting nut 11, a limiting rod 12, a pulley 13, a first limiting groove 14, a locking screw 15, a rolling ball 16 and a second limiting groove 17.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, a single cylinder diesel engine starting flywheel comprises a wheel body 1, an inner cavity 2 is arranged in the wheel body 1, a sleeve shaft 3 is fixedly arranged at the center, an adjusting disc 4 is sleeved on the sleeve shaft 3 in a rotating manner, three eccentric grooves 5 are arranged on the adjusting disc 4, balancing weights 6 are slidably arranged in the three eccentric grooves 5, three guide shafts 7 are fixedly arranged on the side surface of the sleeve shaft 3, one ends of the three guide shafts 7 far away from the sleeve shaft 3 are fixedly arranged on the side wall of the inner cavity 2, the three balancing weights 6 are respectively sleeved on the three guide shafts 7 in a sliding manner, a driving structure for rotating the adjusting disc 4 is arranged at the top of the adjusting disc 4, the driving structure comprises an arc-shaped rack 8, an arc-shaped rack 8 is fixedly arranged on the adjusting disc 4, mounting tables 9 are symmetrically and fixedly arranged on the left side and the right side of the arc-shaped rack 8 of the wheel body 1, a screw rod 10 meshed with the arc-shaped rack 8 is horizontally rotatably arranged in the two mounting tables 9, the one end of screw rod 10 stretches out the arrangement platform 9, and fixed mounting has adjusting nut 11, and this design is in order to make adjusting disk 4 rotate in inner chamber 2 inside, and when rotating adjusting nut 11, screw rod 10 can be in the inside rotation of arrangement platform 9, and screw rod 10 drive arc rack 8 drives adjusting disk 4 and rotates to remove balancing weight 6, realize the allotment.

When the flywheel is used, an operator needs to know the power of the used single-cylinder diesel engine firstly, then calculates corresponding parameters of the flywheel to be started according to the power, wherein the parameters comprise rotational inertia required to be provided by the flywheel, then allocates the flywheel according to the rotational inertia, the operator uses a driving structure to enable the adjusting disc 4 to rotate in the inner cavity 2, the three eccentric grooves 5 on the adjusting disc 4 drive the three balancing weights 6 to move simultaneously, the three balancing weights 6 respectively do linear motion on the three guide shafts 7, when the balancing weights 6 are far away from the sleeve shaft 3, the mass distribution of the wheel body 1 is far away from the rotation center, so that the flywheel obtains larger rotational inertia, when the balancing weights 6 are close to the sleeve shaft 3, the flywheel obtains smaller rotational inertia, thereby allocating the rotational inertia capable of being provided by the flywheel, and enabling the flywheel to be installed on the single-cylinder diesel engines with different powers for use, the practicability of the flywheel is improved.

Three balancing weight 6 is close to the equal fixed mounting in one side of eccentric groove 5 has many gag lever posts 12, all fixed cover is equipped with pulley 13 on many gag lever posts 12, first spacing groove 14 has all been seted up to the lateral wall about three eccentric grooves 5 are, a plurality of pulleys 13 are rolling contact with many first spacing groove 14 tank bottoms, this design is in order to inject balancing weight 6's slip orbit, pulley 13 can turn into rolling friction with the sliding friction of gag lever post 12 with 5 cell walls of eccentric groove, and then reduce frictional force, it is more smooth to make the rotation, first spacing groove 14 further limits balancing weight 6's position, it is more reliable to make the device.

The side wall of the adjusting disk 4 is embedded with a plurality of rolling balls 16, the side wall of the inner cavity 2 is provided with a second limit groove 17, the rolling contact of the rolling balls 16 and the bottom of the second limit groove 17 is realized, the design is realized in order to limit the position of the adjusting disk 4, the rotating speed is very high when the flywheel operates, a very large centrifugal force is generated simultaneously, the rolling balls 16 can better limit the position of the adjusting disk 4, the position of the rolling balls 16 is limited by the second limit groove 17, and the rotating process of the adjusting disk 4 is more stable.

Threaded holes are formed in the surfaces, far away from the wheel body 1, of the two mounting tables 9, locking screws 15 are sleeved in the two threaded holes in a threaded mode, and the design is that after the balancing weights 6 are allocated, the adjusting disc 4 is locked and rotates synchronously with the flywheel in the rotation process of the flywheel.

The cross section of each of the three balancing weights 6 is fan-shaped, the shape of the fan-shaped balancing weights closer to the flywheel can ensure that the mass distribution of the balancing weights 6 is more uniform, so that the total mass distribution of the wheel body 1 and the three balancing weights 6 is more uniform, and the reliability of the distribution of the rotational inertia is improved.

Claims

1. A single cylinder diesel engine starts flywheel, includes wheel body (1), its characterized in that, the wheel body (1) is inside to set up inner chamber (2), and center department fixed mounting has sleeve (3), it is equipped with adjusting disk (4) to rotate the cover on sleeve (3), three eccentric grooves (5) have been seted up on adjusting disk (4), three equal slidable mounting has balancing weight (6) in eccentric groove (5), sleeve (3) side fixed mounting has three guiding axles (7), three guiding axles (7) keep away from sleeve (3) one end all fixed mounting on inner chamber (2) lateral wall, three balancing weight (6) slip cover respectively on three guiding axles (7), adjusting disk (4) top is equipped with the drive structure who is used for rotating adjusting disk (4), the drive structure includes arc rack (8), arc rack (8) fixed mounting is on adjusting disk (4), the wheel body (1) is symmetrically and fixedly provided with mounting tables (9) on the left side and the right side of an arc-shaped rack (8), screws (10) meshed with the arc-shaped rack (8) are horizontally and rotatably mounted in the mounting tables (9), one ends of the screws (10) extend out of the mounting tables (9), and adjusting nuts (11) are fixedly mounted on the screws.

2. The single cylinder diesel starting flywheel of claim 1, characterized in that a plurality of limiting rods (12) are fixedly mounted on one surfaces of the three balancing weights (6) close to the eccentric grooves (5), a plurality of pulleys (13) are fixedly sleeved on the limiting rods (12), first limiting grooves (14) are formed in the left and right side walls of the three eccentric grooves (5), and the bottoms of the plurality of pulleys (13) and the plurality of first limiting grooves (14) are in rolling contact.

3. The single cylinder diesel engine starting flywheel according to claim 2, characterized in that a plurality of rolling balls (16) are embedded in the side wall of the adjusting disk (4), a second limiting groove (17) is formed in the side wall of the inner cavity (2), and the rolling balls (16) and the bottom of the second limiting groove (17) are in rolling contact.

4. The single cylinder diesel starting flywheel of claim 3, characterized in that the surfaces of the two mounting platforms (9) far away from the wheel body (1) are provided with threaded holes, and locking screws (15) are threaded in the two threaded holes.

5. A flywheel for single cylinder diesel engine start according to claim 2, characterized in that the three counterweights (6) are fan-shaped in cross section.