Generator with speed change function

Abstract

The utility model relates to the technical field of generators, in particular to a generator with a speed change function, which comprises an alternating-current generator, the alternating-current generator comprises a shell fixedly connected with the alternating-current generator, a first gear and a second gear are rotatably connected in the shell, and the first gear and the second gear are coaxially and fixedly connected with each other. The output end of the alternating-current generator is fixedly connected with the first gear, a rotating rod is arranged in the shell, the outer portion of the rotating rod is fixedly connected with a third gear and a fourth gear, the rotating rod is driven by a diesel engine or a gasoline engine to rotate, the rotating rod drives the third gear to rotate, and the third gear drives the first gear to rotate. The first gear drives the alternating-current generator driving shaft to rotate and work, so that electricity is generated through the alternating-current generator, work of the assembly can be adjusted, the rotating rod drives the third gear and the fourth gear to slide, the fourth gear is meshed with the second gear, the third gear is separated from the first gear, and speed change is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of generator, especially a generator with variable speed function. BACKGROUND

[0002] The generator refers to the mechanical equipment that converts mechanical energy into electric energy, it is driven by water turbine, steam turbine, diesel engine or other power machinery, and converts the energy generated by water flow, air flow, fuel combustion or atomic nucleus fission into mechanical energy to give to the generator, and then converts the mechanical energy into electric energy by the generator.

[0003] In the prior art, the patent number: CN209488313U is an alternating current generator, belongs to the technical field of electromechanical device design and manufacture, provides an alternating current generator with relatively high stability of stator during assembly and use. The alternating current generator includes a front end cover, a stator and a rear end cover, the front end cover and the rear end cover are provided with through bolt holes which are mutually adapted in shape and position, the stator is arranged in the cavity formed by the front end cover and the rear end cover through the cooperation of the through bolt holes and connecting bolts, and the alternating current generator further includes at least three groups of support and stabilization components, the stator is radially limited in the cavity formed by the front end cover and the rear end cover through the circumferentially distributed support and stabilization components.

[0004] The alternating current generator in the patent does not have variable speed function, when different power driving devices (fuel engine, diesel engine) drive the alternating current generator to work, the generator needs to be driven stably after speed changing, so that the generator in the patent has certain disadvantages in use. UTILITY MODEL CONTENT

[0005] In view of the technical problem that the alternating current generator in the patent does not have variable speed function mentioned in the background art, the utility model provides a generator with variable speed function.

[0006] The technical scheme adopted by the utility model is: a generator with variable speed function, including an alternating current generator, the alternating current generator is fixedly connected with a shell outside, a first gear and a second gear are rotationally connected in the shell, the first gear and the second gear are coaxially fixedly connected, the output end of the alternating current generator is fixedly connected with the first gear, a rotating rod is arranged in the shell, the rotating rod is fixedly connected with a third gear and a fourth gear outside, the shell is provided with an adjusting assembly outside, and the adjusting assembly is used for slidingly adjusting the position of the rotating rod.

[0007] In one of the embodiments, the outer part of the rotating rod is fixedly connected with two limiting rings, a push plate is arranged between the limiting rings, one end of the push plate is fixedly connected with a push rod, and one end of the push rod is fixedly connected with a nut block after penetrating through the shell.

[0008] In one of the embodiments, the adjusting assembly is a threaded cylinder rotatably connected to the outer part of the shell, the threaded cylinder is threadedly connected with the nut block, the outer part of the shell is fixedly connected with a limiting rod, and the limiting rod penetrates through the nut block.

[0009] In one of the embodiments, the outer part of the push rod is sleeved with a spring, and the two ends of the spring are connected with the nut block and the shell respectively.

[0010] In one of the embodiments, the outer part of the threaded cylinder is fixedly connected with a fixed plate, the fixed plate is threadedly connected with a positioning bolt, and the outer part of the shell is provided with a plurality of threaded holes.

[0011] In one of the embodiments, the outer part of the threaded cylinder is fixedly connected with a handle.

[0012] In one of the embodiments, the diameter of the first gear is greater than that of the third gear, and the diameter of the second gear is smaller than that of the fourth gear.

[0013] The beneficial effects of the utility model are that, compared with the prior art, in the utility model, the rotating rod is driven to rotate by a diesel engine or a gasoline engine, the rotating rod drives the third gear to rotate, the third gear drives the first gear to rotate, the first gear drives the alternating-current generator driving shaft to rotate and work, thereby electricity is generated through the alternating-current generator, and the adjusting assembly can also work to make the rotating rod drive the third gear and the fourth gear to slide, thereby making the fourth gear engage with the second gear and making the third gear disengage from the first gear, so that speed change is realized. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the structural schematic view of the utility model;

[0015] Figure 2 is the three-dimensional structural schematic view of the utility model;

[0016] Figure 3 is the internal structural schematic view of the shell in the utility model;

[0017] Figure 4 is the structural schematic view of the first gear, the second gear, the third gear and the fourth gear in the utility model;

[0018] Figure 5 is the overhead structural schematic view of the first gear, the second gear, the third gear and the fourth gear in the utility model;

[0019] Figure 6 is the internal structure diagram of the threaded cylinder in the utility model.

[0020] In the figure, marked: 1, alternator; 2, shell; 3, first gear; 4, second gear; 5, third gear; 6, fourth gear; 7, rotating rod; 8, push plate; 9, push rod; 10, limiting ring; 11, threaded cylinder; 12, nut block; 13, limiting rod; 14, threaded hole; 15, fixed plate; 16, positioning bolt; 17, spring. DETAILED DESCRIPTION

[0021] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "front", "upper", "lower", "left", "right", "vertical", "horizontal" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.

[0022] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] The following will be combined with the drawings Figures 1-6 Further illustrate the utility model.

[0024] In order to solve the problems in the background art, the present application proposes the following technical scheme: a generator with variable speed function, comprising an alternator 1, and additionally, a shell 2 is fixedly connected outside the alternator 1.

[0025] In further design, the first gear 3 and the second gear 4 are rotatably connected in the shell 2, the first gear 3 and the second gear 4 are coaxially fixedly connected, the output end of the alternator 1 is fixedly connected with the first gear 3, the rotating rod 7 is arranged in the shell 2, the third gear 5 and the fourth gear 6 are fixedly connected outside the rotating rod 7, wherein the diameter of the first gear 3 is greater than the diameter of the third gear 5, the diameter of the second gear 4 is less than the diameter of the fourth gear 6, and in the initial state, the third gear 5 is engaged with the first gear 3.

[0026] In this embodiment, the rotating rod 7 is driven to rotate by a diesel engine or a gasoline engine, the rotating rod 7 drives the third gear 5 to rotate, the third gear 5 drives the first gear 3 to rotate, the first gear 3 drives the driving shaft of the alternator 1 to work, thereby generating electricity through the alternator 1, and the work of the adjusting assembly can be adjusted, the rotating rod 7 drives the third gear 5 and the fourth gear 6 to slide, thereby enabling the fourth gear 6 to engage with the second gear 4 and enabling the third gear 5 to disengage from the first gear 3, and speed change is achieved.

[0027] In this embodiment, the adjusting assembly is arranged outside the shell 2 and is used to slide and adjust the position of the rotating rod 7.

[0028] The rotating rod 7 is fixedly connected with two limiting rings 10 outside, a push plate 8 is arranged between the limiting rings 10, one end of the push plate 8 is fixedly connected with a push rod 9, the push rod 9 is used to push the push plate 8 to slide, the push plate 8 pushes the rotating rod 7 to slide, one end of the push rod 9 penetrates through the shell 2 and is fixedly connected with a nut block 12 outside, the adjusting assembly is a threaded cylinder 11 rotatably connected outside the shell 2, the threaded cylinder 11 is threadedly connected with the nut block 12, a limiting rod 13 is fixedly connected outside the shell 2 and penetrates through the nut block 12, and the threaded cylinder 11 is rotated to enable the push rod 9 to move linearly under the limiting and guiding of the limiting rod 13.

[0029] In a further design, the push rod 9 is sleeved with a spring 17 outside, two ends of the spring 17 are connected with the nut block 12 and the shell 2 respectively, the sliding of the push rod 9 can be buffered through the spring 17, a fixed plate 15 is fixedly connected outside the threaded cylinder 11, a positioning bolt 16 is threadedly connected in the fixed plate 15, a plurality of threaded holes 14 are arranged outside the shell 2, a handle is fixedly connected outside the threaded cylinder 11, and the position of the threaded cylinder 11 can be locked through the connection of the positioning bolt 16 and the threaded hole 14.

[0030] In order for those skilled in the art to fully understand the technical solutions, the working principle of the embodiment is as follows:

[0031] The rotating rod 7 is driven to rotate by a diesel engine or a gasoline engine, the rotating rod 7 drives the third gear 5 to rotate, the third gear 5 drives the first gear 3 to rotate, the first gear 3 drives the driving shaft of the alternator 1 to work, thereby generating electricity through the alternator 1;

[0032] The rotating rod 7 is driven to rotate by a diesel engine or a gasoline engine, the rotating rod 7 drives the third gear 5 to rotate, the third gear 5 drives the first gear 3 to rotate, the first gear 3 drives the driving shaft of the alternator 1 to work, thereby generating electricity through the alternator 1;

[0033] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, the conventional connection mode is adopted in the circuit connection in the prior art, and the contents not described in detail in the description belong to the prior art known by the professional technical personnel in the field.

[0034] Although the embodiments of the utility model have been shown and described, the scope of the utility model is defined by the appended claims and their equivalents for those skilled in the art.

Claims

1. A generator having a variable speed function, comprising an alternator (1), characterized in that, The alternating current generator (1) is externally fixedly connected with a shell (2), the first gear (3) and the second gear (4) are rotatably connected in the shell (2), the first gear (3) and the second gear (4) are coaxially fixedly connected, the output end of the alternating current generator (1) is fixedly connected with the first gear (3), the shell (2) is internally provided with a rotating rod (7), the rotating rod (7) is externally fixedly connected with the third gear (5) and the fourth gear (6), the shell (2) is externally provided with an adjusting assembly, and the adjusting assembly is used for slidingly adjusting the position of the rotating rod (7).

2. The electric generator with variable speed function according to claim 1, characterized in that, The rotating rod (7) is externally fixedly connected with two limiting rings (10), the limiting rings (10) are provided with a push plate (8) therebetween, one end of the push plate (8) is fixedly connected with a push rod (9), and one end of the push rod (9) is fixedly connected with a nut block (12) after penetrating through the shell (2).

3. The electric generator with variable speed function according to claim 2, characterized in that, The adjusting assembly is a threaded cylinder (11) rotatably connected outside the shell (2), the threaded cylinder (11) is in threaded connection with the nut block (12), the shell (2) is externally fixedly connected with a limiting rod (13), and the limiting rod (13) penetrates through the nut block (12).

4. The electric generator with variable speed function according to claim 3, characterized in that, The push rod (9) is externally sleeved with a spring (17), and the spring (17) is connected with the nut block (12) and the shell (2) at two ends respectively.

5. The electric generator with variable speed function according to claim 4, characterized in that, The threaded cylinder (11) is externally fixedly connected with a fixed plate (15), the fixed plate (15) is in threaded connection with a positioning bolt (16), and the shell (2) is externally provided with a plurality of threaded holes (14).

6. The electric generator with variable speed function according to claim 5, characterized in that, The threaded cylinder (11) is externally fixedly connected with a handle.

7. The electric generator with variable speed function according to claim 6, characterized in that, The diameter of the first gear (3) is greater than that of the third gear (5), and the diameter of the second gear (4) is smaller than that of the fourth gear (6).

Images