CN215950271U

CN215950271U - Gear-driven coaxial speed change mechanism

Info

Publication number: CN215950271U
Application number: CN202122384665.5U
Authority: CN
Inventors: 吴英武; 田战胜
Original assignee: Guangxi Yuchai Machinery Co Ltd
Current assignee: Guangxi Yuchai Machinery Co Ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-03-04
Anticipated expiration: 2031-09-29

Abstract

The application provides a gear drive's coaxial speed change mechanism belongs to coaxial variable speed technical field. The geared coaxial shifting mechanism includes a coaxial shifting assembly. The coaxial speed change assembly comprises a first connecting shaft, a first gear, a second connecting shaft, a second gear, a first clamp, a third gear, a second clamp and a fourth gear, in the implementation process, the first connecting shaft is connected with external transmission equipment, when the external transmission equipment drives the first connecting shaft and the first gear to rotate, the second connecting shaft and the third gear can be driven to rotate, the rotating speeds of the first gear and the fourth gear can be different, the sizes of the third gear and the fourth gear can be changed, the rotating speed ratio of the third gear driving the fourth gear to rotate can be adjusted, the rotating speeds of the first gear and the fourth gear can be different, and the coaxial speed change assembly is simple and convenient when different rotating speeds are output on the same rotating shaft.

Description

Gear-driven coaxial speed change mechanism

Technical Field

The application relates to the field of coaxial speed change, in particular to a gear-driven coaxial speed change mechanism.

Background

The speed change is the change of the rotating speed, the application is very wide in life and production, the gears on the two shafts are meshed with each other, and the rotating speed can be changed when the sizes of the gears on the two shafts are different.

In the related art, the rotating speeds output on the same rotating shaft are the same, and it is difficult and inconvenient to output different rotating speeds on the same rotating shaft.

SUMMERY OF THE UTILITY MODEL

In order to make up for the above deficiency, the application provides a gear-driven coaxial speed change mechanism, aiming at solving the difficult and inconvenient problem that different rotating speeds are output on the same rotating shaft.

The embodiment of the application provides a gear-driven coaxial speed change mechanism, which comprises a coaxial speed change component.

The coaxial speed change assembly comprises a first connecting shaft, a first gear, a second connecting shaft, a second gear, a first clamp, a third gear, a second clamp and a fourth gear, the first connecting shaft is rotatably sleeved with a first connecting plate, the first gear is fixedly sleeved on the first connecting shaft, the second connecting shaft is rotatably connected with the first connecting plate, the second gear is fixedly sleeved on the second connecting shaft, the second gear is engaged with the first gear in a wanted manner, one end of the first clamp is fixedly connected with one end of the second connecting shaft, the first clamp clamps the third gear, one end of the second clamp is rotatably connected with one end of the first connecting shaft, the second clamp clamps the fourth gear, and the fourth gear is engaged with the third gear in a wanted manner.

In the implementation process, the first connecting shaft is connected with external transmission equipment, when the external transmission equipment drives the first connecting shaft and the first gear to rotate, the second gear can be driven to rotate, the second connecting shaft and the third gear can be driven to rotate, the fourth gear can be driven to rotate when the third gear rotates, the rotating speed of the first gear and the rotating speed of the fourth gear can be different, the third gear and the fourth gear can be replaced in size, the rotating speed ratio of the third gear driving the fourth gear to rotate can be adjusted, the rotating speeds of the first gear and the fourth gear can be different, and the rotating speeds can be simple and convenient when different rotating speeds are output in the same rotating shaft.

In a specific embodiment, a second connecting plate is fixedly connected to the top of the first connecting plate body, and a through hole is formed in the second connecting plate body.

In the implementation process, the second connecting plate and the through hole enable the coaxial speed change assembly to be fixed conveniently, and the coaxial speed change assembly can be fixed conveniently.

In a specific implementation scheme, the first clamp comprises a first clamp plate, a first limiting shaft, a first threaded rod and a second clamp plate, the center of one side of the first clamp plate is fixedly connected with one end of the second connecting shaft, one end of the first limiting shaft is connected with the center of the other side of the first clamp plate, one end of the first threaded rod is inserted into the other end of the first limiting shaft in a threaded manner, one side of the second clamp plate is fixedly connected with the other end of the first threaded rod, and the other side of the second clamp plate is provided with a handheld portion.

In a specific embodiment, a first connection hole is formed in the first limiting shaft, and one end of the first threaded rod is inserted into the first connection hole.

In a specific embodiment, the third gear sleeve is disposed outside the first limiting shaft, and the first clamping plate and the second clamping plate are both abutted against the third gear.

In a specific embodiment, the second clamp includes a third clamp plate, a second limit shaft, a second threaded rod and a fourth clamp plate, the center of one side of the third clamp plate is rotatably connected with one end of the first connecting shaft, one end of the second limit shaft is fixedly connected with the center of the other side of the third clamp plate, one end of the second threaded rod is inserted into the other end of the second limit shaft, and one side of the fourth clamp plate is fixedly connected with the other end of the second threaded rod.

In a specific implementation scheme, a second connecting hole is formed in the second limiting shaft, and one end of the second threaded rod is inserted into the second connecting hole in a threaded manner.

In a specific embodiment, a third connecting hole is formed in the peripheral side of the fourth clamping plate, a plurality of third connecting holes are formed in the third connecting hole, and the plurality of third connecting holes are uniformly distributed.

In a specific embodiment, the fourth gear is sleeved on the second limiting shaft, and the third clamping plate and the fourth clamping plate are uniformly abutted against the fourth gear.

In a specific implementation scheme, the clamping device further comprises a reinforcing plate, wherein a plate body of the reinforcing plate is rotatably sleeved on the second connecting shaft, the plate body of the reinforcing plate is rotatably sleeved on the first connecting shaft, the reinforcing plate is connected with the second connecting plate, the reinforcing plate is located on one side of the first clamp, and the reinforcing plate is located on one side of the second clamp.

In the implementation process, the reinforcing plate can improve the stability of the second connecting shaft and the first connecting shaft, and further the overall structure of the coaxial speed change assembly is more stable.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic view of the overall structure of a geared coaxial transmission according to an embodiment of the present disclosure;

FIG. 2 is a schematic overall sectional structure view of a geared coaxial transmission according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a first clamp according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a second clamp according to an embodiment of the present disclosure.

In the figure: 100-coaxial transmission assembly; 110-a first connecting shaft; 111-a first connection plate; 112-a second connecting plate; 113-a via; 120-a first gear; 130-a second connection shaft; 140-a second gear; 150-a first clamp; 151-first clamping plate; 152-a first restraint shaft; 1521-first connection hole; 153-a first threaded rod; 154-a second splint; 1541-handheld portion; 160-third gear; 180-a second clamp; 181-third splint; 182-a second limit shaft; 1821-a second connection hole; 183-second threaded rod; 184-fourth splint; 1841-third connection hole; 190-a fourth gear; 200-reinforcing plate.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1, the present application provides a gear-driven coaxial transmission mechanism, which includes a coaxial transmission assembly 100.

Referring to fig. 1-4, the coaxial speed change assembly 100 includes a first connecting shaft 110, a first gear 120, a second connecting shaft 130, a second gear 140, a first clamp 150, a third gear 160, a second clamp 180, and a fourth gear 190, the first connecting shaft 110 is rotatably sleeved with a first connecting plate 111, the first connecting shaft 110 is rotatably sleeved with the first connecting plate 111 through a bearing, the first connecting shaft 110 is connectable to an external transmission device, a second connecting plate 112 is fixedly connected to a top of a plate body of the first connecting plate 111, the second connecting plate 112 is connected to the first connecting plate 111 through a welding process, a through hole 113 is formed in a plate body of the second connecting plate 112, and the second connecting plate 112 and the through hole 113 facilitate fixing of the coaxial speed change assembly 100 and facilitate fixing of the coaxial speed change assembly 100.

In this application, the first gear 120 is fixedly sleeved on the first connecting shaft 110, the second connecting shaft 130 is rotatably connected with the first connecting plate 111 through a bearing, the second gear 140 is fixedly sleeved on the second connecting shaft 130, the second gear 140 is engaged with the first gear 120, when external transmission equipment drives the first connecting shaft 110 to rotate with the first gear 120, the second gear 140 can be driven to rotate, and then the second connecting shaft 130 can be driven to rotate.

In this application, the second gear 140 has the same size as the first gear 120, and when the first gear 120 drives the second gear 140 to rotate, the rotation speed of the second gear 140 is the same as the rotation speed of the first gear 120.

In the present application, one end of the first clamp 150 is fixedly connected to one end of the second connecting shaft 130, the first clamp 150 includes a first clamping plate 151, a first limiting shaft 152, a first threaded rod 153 and a second clamping plate 154, a center of one side of the first clamping plate 151 is fixedly connected to one end of the second connecting shaft 130, a center of one side of the first clamping plate 151 is connected to one end of the second connecting shaft 130 by welding, one end of the first limiting shaft 152 is connected to a center of the other side of the first clamping plate 151, one end of the first threaded rod 153 is inserted into the other end of the first limiting shaft 152, a first connecting hole 1521 is formed in the first limiting shaft 152, one end of the first threaded rod 153 is inserted into the first connecting hole 1521, one side of the second clamping plate 154 is fixedly connected to the other end of the first threaded rod 153, the second clamping plate 154 is rotated to drive the second clamping plate 154 to move, a handheld portion 1541 is disposed on the other side of the second clamping plate 154, handheld portion 1541 is the handle, handheld portion 1541 conveniently rotates second splint 154, first anchor clamps 150 centre gripping third gear 160, the outside of first spacing axle 152 is established in the third gear 160 cover, the outside of first spacing axle 152 is established to third gear 160 slip cover, first splint 151 and second splint 154 all offset tightly with third gear 160, rotatory second splint 154 makes first threaded rod 153 break away from first spacing axle 152, then alright change third gear 160, and then can change the specification and size of third gear 160.

The third gear 160 and the first gear 120 are different in size, and the third gear 160 and the second gear 140 are different in size.

In the application, one end of the second clamp 180 is rotatably connected with one end of the first connecting shaft 110, the second clamp 180 includes a third clamping plate 181, a second limiting shaft 182, a second threaded rod 183, and a fourth clamping plate 184, a center of one side of the third clamping plate 181 is rotatably connected with one end of the first connecting shaft 110 through a bearing, one end of the second limiting shaft 182 is fixedly connected with a center of the other side of the third clamping plate 181 through welding, one end of the second threaded rod 183 is inserted into the other end of the second limiting shaft 182, a second connecting hole 1821 is formed in the second limiting shaft 182, one end of the second threaded rod 183 is inserted into the second connecting hole 1821, one side of the fourth clamping plate 184 is fixedly connected with the other end of the second threaded rod 183, the third connecting hole 1841 is formed in the peripheral side of the fourth clamping plate 184, the third connecting hole 1841 is formed in a plurality of parts, the plurality of third connecting holes 1841 are uniformly distributed, the third connecting hole 1841 is convenient for a worker to rotate the fourth clamping plate 184, a tool matched with the third connecting hole 1841 can be inserted into the third connecting hole 1841, and then the tool can be rotated by taking the center of the fourth clamping plate 184 as the center.

In this application, the second fixture 180 clamps the fourth gear 190, the second limit shaft 182 is located to the fourth gear 190 cover, the second limit shaft 182 is located to the fourth gear 190 sliding sleeve, the third clamping plate 181 and the fourth clamping plate 184 abut against the fourth gear 190, the fourth clamping plate 184 is rotated to make the fourth clamping plate 184 drive the second threaded rod 183 to break away from the second limit shaft 182, then the fourth gear 190 can be disassembled, and then the specification and size of the fourth gear 190 can be changed.

In the present application, the fourth gear 190 is engaged with the third gear 160, and when the third gear 160 rotates, the fourth gear 190 is driven to rotate, and the fourth gear 190 and the third gear 160 are different in size (please refer to fig. 1 and 2), and the fourth gear 190 is smaller than the third gear 160.

In this application, when external transmission equipment drives first connecting shaft 110 and first gear 120 to rotate, just can drive second gear 140 and rotate, and then just can drive second connecting shaft 130 and third gear 160 rotatory, just can drive fourth gear 190 rotatory when third gear 160 is rotatory, and then can make first gear 120 different with fourth gear 190's rotational speed, still can change the size of third gear 160 and fourth gear 190, in order to adjust third gear 160 to drive the rotatory speed ratio of fourth gear 190.

It should be noted that, no matter how the sizes of the third gear 160 and the fourth gear 190 are changed, it is necessary to ensure that the third gear 160 and the fourth gear 190 are meshed with each other, and the third gear 160 and the fourth gear 190 are different in size.

Referring to fig. 1 and 2, the gear-driven coaxial speed-changing mechanism further includes a reinforcing plate 200, a plate body of the reinforcing plate 200 is rotatably sleeved on the second connecting shaft 130, a plate body of the reinforcing plate 200 is rotatably sleeved on the first connecting shaft 110, the reinforcing plate 200 is connected to the second connecting plate 112, the reinforcing plate 200 is located at one side of the first clamp 150, the reinforcing plate 200 is located at one side of the second clamp 180, and the reinforcing plate 200 can improve the stability of the second connecting shaft 130 and the first connecting shaft 110, so that the overall structure of the coaxial speed-changing assembly 100 is more stable.

The working principle of the gear-driven coaxial speed change mechanism is as follows: connect first connecting shaft 110 with external transmission equipment, when external transmission equipment drives first connecting shaft 110 and first gear 120 and rotates, just can drive second gear 140 and rotate, and then just can drive second connecting shaft 130 and third gear 160 rotatory, just can drive fourth gear 190 rotatory when third gear 160 is rotatory, and then can make first gear 120 different with fourth gear 190's rotational speed, still can change the size of third gear 160 and fourth gear 190, in order to adjust the rotational speed ratio that third gear 160 drove fourth gear 190 rotatory, can make first gear 120 different with fourth gear 190's rotational speed, can be comparatively simple and convenient when wanting to export different rotational speeds in the same pivot.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A gear-driven coaxial speed change mechanism is characterized by comprising

The coaxial speed change assembly (100) comprises a first connecting shaft (110), a first gear (120), a second connecting shaft (130), a second gear (140), a first clamp (150), a third gear (160), a second clamp (180) and a fourth gear (190), wherein the first connecting shaft (110) is rotatably sleeved with a first connecting plate (111), the first gear (120) is fixedly sleeved on the first connecting shaft (110), the second connecting shaft (130) is rotatably connected with the first connecting plate (111), the second gear (140) is fixedly sleeved on the second connecting shaft (130), the second gear (140) is engaged with the first gear (120), one end of the first clamp (150) is fixedly connected with one end of the second connecting shaft (130), and the first clamp (150) clamps the third gear (160), one end of the second clamp (180) is rotatably connected with one end of the first connecting shaft (110), the second clamp (180) clamps the fourth gear (190), and the fourth gear (190) is meshed with the third gear (160).

2. A gear-driven coaxial speed-changing mechanism according to claim 1, wherein a second connecting plate (112) is fixedly connected to the top of the plate body of the first connecting plate (111), and a through hole (113) is formed in the plate body of the second connecting plate (112).

3. The gear-driven coaxial speed change mechanism according to claim 1, wherein the first clamp (150) comprises a first clamping plate (151), a first limiting shaft (152), a first threaded rod (153) and a second clamping plate (154), a center of one surface of the first clamping plate (151) is fixedly connected with one end of the second connecting shaft (130), one end of the first limiting shaft (152) is connected with a center of the other surface of the first clamping plate (151), one end of the first threaded rod (153) is in threaded connection with the other end of the first limiting shaft (152), one surface of the second clamping plate (154) is fixedly connected with the other end of the first threaded rod (153), and a handheld portion (1541) is arranged on the other surface of the second clamping plate (154).

4. A gear-driven coaxial speed-changing mechanism according to claim 3, wherein the first limit shaft (152) has a first connection hole (1521) formed therein, and one end of the first threaded rod (153) is screwed into the first connection hole (1521).

5. The gear-driven coaxial speed-changing mechanism according to claim 3, wherein the third gear (160) is sleeved on the outer side of the first limiting shaft (152), and the first clamping plate (151) and the second clamping plate (154) are both abutted against the third gear (160).

6. The gear-driven coaxial speed change mechanism according to claim 1, wherein the second clamp (180) comprises a third clamping plate (181), a second limiting shaft (182), a second threaded rod (183) and a fourth clamping plate (184), the center of one surface of the third clamping plate (181) is rotatably connected with one end of the first connecting shaft (110), one end of the second limiting shaft (182) is fixedly connected with the center of the other surface of the third clamping plate (181), one end of the second threaded rod (183) is threadedly inserted into the other end of the second limiting shaft (182), and one surface of the fourth clamping plate (184) is fixedly connected with the other end of the second threaded rod (183).

7. The gear-driven coaxial speed change mechanism according to claim 6, wherein a second connection hole (1821) is formed in the second limiting shaft (182), and one end of the second threaded rod (183) is inserted into the second connection hole (1821) in a threaded manner.

8. The gear-driven coaxial speed change mechanism according to claim 6, wherein a third connecting hole (1841) is formed on the peripheral side of the fourth clamping plate (184), a plurality of third connecting holes (1841) are formed, and a plurality of third connecting holes (1841) are uniformly distributed.

9. The gear-driven coaxial speed change mechanism according to claim 6, wherein the fourth gear (190) is sleeved on the second limiting shaft (182), and the third clamping plate (181) and the fourth clamping plate (184) are abutted against the fourth gear (190).

10. A gear-driven coaxial speed-changing mechanism according to claim 2, further comprising a reinforcing plate (200), wherein the plate body of the reinforcing plate (200) is rotatably sleeved on the second connecting shaft (130), the plate body of the reinforcing plate (200) is rotatably sleeved on the first connecting shaft (110), the reinforcing plate (200) is connected with the second connecting plate (112), the reinforcing plate (200) is located on one side of the first clamp (150), and the reinforcing plate (200) is located on one side of the second clamp (180).