CN220741221U - Novel mechanism capable of realizing two-axis joint linkage - Google Patents
Novel mechanism capable of realizing two-axis joint linkage Download PDFInfo
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- CN220741221U CN220741221U CN202321963328.4U CN202321963328U CN220741221U CN 220741221 U CN220741221 U CN 220741221U CN 202321963328 U CN202321963328 U CN 202321963328U CN 220741221 U CN220741221 U CN 220741221U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 110
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 50
- 238000009434 installation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000009347 mechanical transmission Effects 0.000 description 3
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
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Abstract
The utility model provides a novel mechanism capable of realizing two-axis joint linkage, which comprises a shell, a first transmission shaft, a second transmission shaft, a first speed reducer and a second speed reducer, wherein the first transmission shaft is connected with the first speed reducer; the first speed reducer output end is connected with the outer wall of the lower end of the shell, a cavity is formed in the shell, the lower end of the first transmission shaft penetrates through the upper end of the shell and extends into the cavity, the outer wall of the first transmission shaft is rotatably connected with the shell, the end part of the lower end of the first transmission shaft is sleeved with a first bevel gear, the second transmission shaft is located in the cavity, the axis of the second transmission shaft is perpendicular to the axis of the first transmission shaft, the outer wall of the second transmission shaft is rotatably connected with the wall surface of the cavity, a second bevel gear is sleeved on one end of the second transmission shaft, the second bevel gear is meshed with the first bevel gear, and the other end of the second transmission shaft extends out of the cavity and is connected with the input end of the second speed reducer. The device has simple structure and compact and reasonable layout, and is suitable for popularization.
Description
Technical Field
The utility model relates to the technical field of mechanical transmission equipment, in particular to a novel mechanism capable of realizing two-axis joint linkage.
Background
For industrial production, mechanical transmission is increasingly widely used, for example, various mechanical transmissions are involved in actuating mechanisms of related equipment such as robot joints, automation equipment, measurement scanning, video monitoring and the like, wherein a manipulator is quite common, and a driving device is required to drive gears at each joint of the manipulator to ensure rotation of each joint of the manipulator, but at present, most of the transmission at the joints of the manipulator is that each driving device is independently arranged and drives the corresponding gears to rotate so as to finish the action of the manipulator, and the driving devices are mutually independent, so that the occupied space is large, the manipulator is excessively bloated, the mutually independent driving devices drive the corresponding gears to work, the gears are easily prevented from being well sealed and protected, and the failure frequency of the gears is possibly caused.
Disclosure of Invention
In view of this, embodiments of the present utility model provide a new mechanism that can achieve two-axis joint linkage.
The embodiment of the utility model provides a novel mechanism capable of realizing two-axis joint linkage, which comprises a shell, a first transmission shaft, a second transmission shaft, a first speed reducer and a second speed reducer;
the first speed reducer output end is connected with the outer wall of the lower end of the shell, a cavity is formed in the shell, the lower end of the first transmission shaft penetrates through the upper end of the shell from top to bottom and extends into the cavity, the outer wall of the first transmission shaft is rotatably connected with the shell, a first bevel gear is sleeved at the end part of the lower end of the first transmission shaft, the second transmission shaft is positioned in the cavity, the axis of the second transmission shaft is perpendicular to the axis of the first transmission shaft, the outer wall of the second transmission shaft is rotatably connected with the wall surface of the cavity, a second bevel gear is sleeved at one end of the second transmission shaft, the second bevel gear is meshed with the first bevel gear, and the other end of the second transmission shaft extends out of the cavity and is connected with the input end of the second speed reducer.
Further, the shell is provided with a first avoiding port and a second avoiding port which are communicated with the cavity, the lower end of the first transmission shaft penetrates through the first avoiding port to extend into the cavity, and the corresponding end of the second transmission shaft penetrates through the second avoiding port to extend out of the cavity and be connected with the input end of the second speed reducer.
Further, a first switching cylinder is sleeved on the upper portion of the outer wall of the first transmission shaft, a second switching cylinder is sleeved on the lower portion of the outer wall of the first transmission shaft, the inner wall of the first switching cylinder is fixedly connected with the outer wall of the first transmission shaft in a rotatable mode, a third switching cylinder is sleeved on the outer wall of the first transmission shaft in a rotatable mode, and the inner wall of the second switching cylinder is fixedly connected with the outer wall of the first transmission shaft in a rotatable mode and the outer wall of the second switching cylinder is fixedly connected with the wall surface of the cavity.
Further, the device further comprises a mounting frame, the outer wall of the third switching cylinder is fixedly connected with the upper end of the mounting frame, the inner wall of the third switching cylinder is rotatably connected with the outer wall of the first switching cylinder, and the outer wall of the first speed reducer is fixedly connected with the lower end of the mounting frame.
Further, a first stepped surface is arranged on the outer wall of one end of the first transmission shaft, which is positioned in the cavity, the first bevel gear is sleeved on the first transmission shaft, the upper end face of the first bevel gear abuts against the first stepped surface, a first gear pressing piece is fixedly arranged at one end part of the first transmission shaft, which is provided with the first stepped surface, and the first gear pressing piece abuts against the lower end face of the first bevel gear.
Further, a fourth switching cylinder is sleeved on the outer wall of the second transmission shaft, the inner wall of the fourth switching cylinder is fixedly connected with the outer wall of the second transmission shaft in a rotatable mode, and the outer wall of the fourth switching cylinder is fixedly connected with the wall surface of the cavity.
Further, a second step surface is arranged on the outer wall of one end, provided with a second bevel gear, of the second transmission shaft, the second bevel gear is sleeved on the second transmission shaft, one end face of the second bevel gear abuts against the second step surface, a second gear pressing piece is fixedly arranged at one end part, provided with the second step surface, of the second transmission shaft, and the second gear pressing piece abuts against the other end face of the second bevel gear.
Further, the outer wall of the second speed reducer is fixedly connected with the outer wall of the shell, and the input end of the second speed reducer is fixedly connected with the end part of the second transmission shaft, which is far away from the second bevel gear.
Further, the mounting frame is C-shaped.
Further, the first speed reducer and the second speed reducer are both harmonic speed reducers.
The technical scheme provided by the embodiment of the utility model has the beneficial effects that: according to the novel mechanism capable of realizing the two-axis joint linkage, the gears which are mutually driven are protected through the shell, so that the frequency of faults of the gears is effectively reduced on the premise of ensuring good tightness; meanwhile, the device provides movement in multiple directions through the two speed reducers, is compact and reasonable in structure, saves occupied space when ensuring functions, is compact and reasonable in layout, is simple in structure, and is suitable for popularization.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a novel mechanism capable of realizing two-axis joint linkage;
FIG. 2 is a right side elevational view of FIG. 1;
fig. 3 is a cross-sectional view taken along the A-A plane in fig. 2.
In the figure: 1-first speed reducer, 2-second speed reducer, 3-first transmission shaft, 4-second transmission shaft, 5-first changeover bobbin, 6-first bearing group, 7-second changeover bobbin, 8-second bearing group, 9-third changeover bobbin, 10-third bearing group, 11-first bevel gear, 12-first step face, 13-first gear compressing piece, 14-shell, 15-cavity, 16-mounting bracket, 17-second bevel gear, 18-second step face, 19-second gear compressing piece, 20-fourth changeover bobbin, 21-fourth bearing group.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 3, the embodiment of the utility model provides a new mechanism capable of realizing two-axis joint linkage, which comprises a first speed reducer 1, a second speed reducer 2, a shell 14, a first transmission shaft 3 and a second transmission shaft 4.
The first speed reducer 1 is positioned below the shell 14, the output end of the first speed reducer 1 is fixedly connected with the outer wall of the lower end of the shell 14, and the input end of the first speed reducer 1 is fixedly connected with an external power source, so that the shell 14 can be driven to rotate when the first speed reducer 1 is driven by the power source; here, in the present embodiment, the first speed reducer 1 is a harmonic speed reducer.
A cavity 15 is formed in the shell 14, a first avoiding opening is formed in the upper end of the cavity 15, a second avoiding opening is formed in the side end of the cavity 15, and the first avoiding opening and the second avoiding opening are communicated with the cavity 15; the second transmission shaft 4 is positioned in the cavity 15, one end of the second transmission shaft 4 is positioned in the cavity 15, the other end of the second transmission shaft extends to the outer wall of the shell 14 through the second avoidance port and is fixedly connected with the input end of the second speed reducer 2, the outer wall of the second speed reducer 2 is fixedly connected with the outer wall of the shell 14, the input end of the second speed reducer 2 is positioned in the second avoidance port, and the output end of the second speed reducer 2 is connected with an external working part, so that the second speed reducer 2 can be driven to rotate to work when the second transmission shaft 4 rotates; here, in the present embodiment, the second speed reducer 2 is a harmonic speed reducer.
A fourth switching cylinder 20 is sleeved on the outer wall of the second transmission shaft 4, the outer wall of the fourth switching cylinder 20 is fixedly connected with the wall surface of the cavity 15, and the inner wall of the fourth switching cylinder is rotatably connected with the outer wall of the second transmission shaft 4; in this embodiment, the outer wall of the second transmission shaft 4 is sleeved with a fourth bearing set 21, and the inner wall of the fourth bearing set 21 is fixedly connected with the outer wall of the second transmission shaft 4, and the outer wall is fixedly connected with the inside of the fourth switching cylinder 20, so that the second transmission shaft 4 can be rotatably connected with the fourth switching cylinder 20 through the fourth bearing set 21.
The second bevel gear 17 is sleeved at one end of the second transmission shaft 4, which is positioned in the cavity 15, and a second step surface 18 is arranged on the outer wall of one end of the second transmission shaft 4, which is provided with the second bevel gear 17, and when the second bevel gear 17 is sleeved on the second transmission shaft 4, one side surface of the second bevel gear 17 is propped against the second step surface 18; meanwhile, a second gear pressing piece 19 is arranged at the end part of one end of the second transmission shaft 4, which is provided with the second bevel gear 17, and the second gear pressing piece 19 is fixedly connected with the corresponding end of the second transmission shaft 4 and is abutted against one side surface, away from the second step surface 18, of the second bevel gear 17.
The first transmission shaft 3 is positioned above the shell 14, the lower end of the first transmission shaft 3 passes through the first avoiding opening from top to bottom and extends into the cavity 15, and the upper end of the first transmission shaft is positioned above the shell 14; the first bevel gear 11 is sleeved on one end of the first transmission shaft 3 positioned in the cavity 15, the first bevel gear 11 is meshed with the second bevel gear 17, and the axis of the first transmission shaft 3 is perpendicular to the axis of the second transmission shaft 4; the outer wall of one end of the first transmission shaft 3, provided with the first bevel gear 11, is provided with a first step surface 12, and when the first bevel gear 11 is sleeved on the first transmission shaft 3, the upper end surface of the first bevel gear 11 is propped against the first step surface 12; meanwhile, a first gear pressing piece 13 is arranged at one end part of the first transmission shaft 3, which is provided with a first bevel gear 11, and the first gear pressing piece 13 is fixedly connected with the corresponding end of the first transmission shaft 3 and is abutted against the lower end face of the first bevel gear 11.
The lower part of the first transmission shaft 3 is sleeved with a second switching cylinder 7, the outer wall of the second switching cylinder 7 is fixedly connected with the wall surface of the cavity 15, and the inner wall of the second switching cylinder is rotatably connected with the outer wall of the first transmission shaft 3; in this embodiment, the outer wall of the lower portion of the first transmission shaft 3 is sleeved with a second bearing group 8, the inner wall of the second bearing group 8 is fixedly connected with the outer wall of the first transmission shaft 3, and the outer wall is fixedly connected with the inside of the second transfer cylinder 7, so that the lower portion of the first transmission shaft 3 can be rotatably connected with the second transfer cylinder 7 through the second bearing group 8.
The upper part of the first transmission shaft 3 is sleeved with a first switching cylinder 5, the lower end of the first switching cylinder 5 is fixedly connected with the outer wall of the shell 14, and the inner wall of the first switching cylinder is rotatably connected with the outer wall of the first transmission shaft 3; in this embodiment, the outer wall of the upper portion of the first transmission shaft 3 is sleeved with a first bearing set 6, the inner wall of the first bearing set 6 is fixedly connected with the outer wall of the first transmission shaft 3, and the outer wall is fixedly connected with the inside of the first adapter tube 5, so that the upper portion of the first transmission shaft 3 can be rotatably connected with the first adapter tube 5 through the first bearing set 6.
It should be noted that the upper end of the first transmission shaft 3 is connected to an external power source, so that when the first transmission shaft 3 is driven by the power source, the first bevel gear 11 is driven to rotate, and the second bevel gear 17 is driven to rotate by meshing.
A third switching cylinder 9 is sleeved on the outer wall of the first switching cylinder 5, and the inner wall of the third switching cylinder 9 is rotatably connected with the outer wall of the first transmission shaft 3; in this embodiment, the outer wall of the first adapter tube 5 is sleeved with the third bearing set 10, the inner wall of the third bearing set 10 is fixedly connected with the outer wall of the first adapter tube 5, and the outer wall is fixedly connected with the inner wall of the third adapter tube 9, so that the first adapter tube 5 can be rotatably connected with the third adapter tube 9 through the third bearing set 10.
The novel mechanism capable of realizing two-axis joint linkage in the embodiment further comprises a mounting frame 16, in the embodiment, the mounting frame 16 is in a C shape, the outer wall of the third switching cylinder 9 is fixedly connected with the upper end of the mounting frame 16, and the outer wall of the first speed reducer 1 is fixedly connected with the lower end of the mounting frame 16.
The working mode of the novel mechanism capable of realizing the two-axis joint linkage in the embodiment is as follows: the output end of the second speed reducer 2 is connected with a joint part to be rotated, when the joint part needs to rotate around the joint, the first bevel gear 11 is driven to rotate through the first transmission shaft 3, the second bevel gear 17 is driven to rotate through gear engagement, and then the second transmission shaft 4 is driven to rotate, so that the joint part is driven to rotate; when the joint part is required to rotate around the shell, the joint part is driven to rotate through the first speed reducer 1.
In this document, terms such as front, rear, upper, lower, etc. are defined with respect to the positions of the components in the drawings and with respect to each other, for clarity and convenience in expressing the technical solution. It should be understood that the use of such orientation terms should not limit the scope of the protection sought herein.
The embodiments described above and features of the embodiments herein may be combined with each other without conflict.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. The novel mechanism capable of realizing the two-axis joint linkage is characterized by comprising a shell (14), a first transmission shaft (3), a second transmission shaft (4), a first speed reducer (1) and a second speed reducer (2);
the output end of the first speed reducer (1) is connected with the outer wall of the lower end of the shell (14), a cavity (15) is formed in the shell (14), the lower end of the first transmission shaft (3) penetrates through the upper end of the shell (14) from top to bottom and extends to the inside of the cavity (15), the outer wall of the first transmission shaft (3) is rotatably connected with the shell (14), a first bevel gear (11) is sleeved at the end part of the lower end of the first transmission shaft, the second transmission shaft (4) is located in the cavity (15), the axis of the second transmission shaft (4) is perpendicular to the axis of the first transmission shaft (3), the outer wall of the second transmission shaft (4) is rotatably connected with the wall surface of the cavity (15), a second bevel gear (17) is sleeved at one end of the second transmission shaft (4), the second bevel gear (17) is meshed with the first bevel gear (11), and the other end of the second transmission shaft extends out of the cavity (15) and is connected with the input end of the second speed reducer (2).
2. A novel mechanism for achieving two-axis joint linkage as claimed in claim 1, wherein: the shell (14) is provided with a first avoiding port and a second avoiding port which are communicated with the cavity (15), the lower end of the first transmission shaft (3) penetrates through the first avoiding port to extend into the cavity (15), and the corresponding end of the second transmission shaft (4) penetrates through the second avoiding port to extend out of the cavity (15) and is connected with the input end of the second speed reducer (2).
3. A novel mechanism for achieving two-axis joint linkage as claimed in claim 1, wherein: the upper part of the outer wall of the first transmission shaft (3) is sleeved with a first switching cylinder (5), the lower part of the outer wall of the first transmission shaft is sleeved with a second switching cylinder (7), the inner wall of the first switching cylinder (5) is fixedly connected with the outer wall of the first transmission shaft (3) in a rotatable manner, the outer wall of the first transmission shaft is rotatably sleeved with a third switching cylinder (9), and the inner wall of the second switching cylinder (7) is fixedly connected with the outer wall of the first transmission shaft (3) in a rotatable manner, and the outer wall of the second switching cylinder is fixedly connected with the wall surface of the cavity (15).
4. A novel mechanism for realizing the two-axis joint linkage as claimed in claim 3, the method is characterized in that: the novel speed reducer comprises a first speed reducer (1) and is characterized by further comprising a mounting frame (16), wherein the outer wall of the first switching cylinder (9) is fixedly connected with the upper end of the mounting frame (16), the inner wall of the first switching cylinder is rotatably connected with the outer wall of the first switching cylinder (5), and the outer wall of the first speed reducer is fixedly connected with the lower end of the mounting frame (16).
5. A novel mechanism for achieving two-axis joint linkage as claimed in claim 1, wherein: the first transmission shaft (3) is located one end outer wall in the cavity (15) is provided with a first step surface (12), the first bevel gear (11) is sleeved on the first transmission shaft (3) and the upper end surface of the first bevel gear (11) is propped against the first step surface (12), the first transmission shaft (3) is provided with a first gear compressing piece (13) fixed at one end part of the first step surface (12), and the first gear compressing piece (13) is propped against the lower end surface of the first bevel gear (11).
6. A novel mechanism for achieving two-axis joint linkage as claimed in claim 1, wherein: the outer wall of the second transmission shaft (4) is sleeved with a fourth switching cylinder (20), the inner wall of the fourth switching cylinder (20) is fixedly connected with the outer wall of the second transmission shaft (4) in a rotatable mode, and the outer wall of the fourth switching cylinder is fixedly connected with the wall surface of the cavity (15).
7. A novel mechanism for achieving two-axis joint linkage as claimed in claim 1, wherein: the outer wall of one end of the second transmission shaft (4) provided with a second bevel gear (17) is provided with a second step surface (18), the second bevel gear (17) is sleeved on the second transmission shaft (4) and one end surface of the second bevel gear (17) is propped against the second step surface (18), the second transmission shaft (4) is provided with a second gear compressing piece (19) fixed at one end part of the second step surface (18), and the second gear compressing piece (19) is propped against the other end surface of the second bevel gear (17).
8. A novel mechanism for achieving two-axis joint linkage as claimed in claim 1, wherein: the outer wall of the second speed reducer (2) is fixedly connected with the outer wall of the shell (14), and the input end of the second speed reducer (2) is fixedly connected with the end part of the second transmission shaft (4) far away from one end of the second bevel gear (17).
9. The novel mechanism capable of realizing two-axis joint linkage as claimed in claim 4, wherein: the installation frame (16) is C-shaped in appearance.
10. A novel mechanism for achieving two-axis joint linkage as claimed in claim 1, wherein: the first speed reducer (1) and the second speed reducer (2) are both harmonic speed reducers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321963328.4U CN220741221U (en) | 2023-07-24 | 2023-07-24 | Novel mechanism capable of realizing two-axis joint linkage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321963328.4U CN220741221U (en) | 2023-07-24 | 2023-07-24 | Novel mechanism capable of realizing two-axis joint linkage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220741221U true CN220741221U (en) | 2024-04-09 |
Family
ID=90566026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321963328.4U Active CN220741221U (en) | 2023-07-24 | 2023-07-24 | Novel mechanism capable of realizing two-axis joint linkage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220741221U (en) |
-
2023
- 2023-07-24 CN CN202321963328.4U patent/CN220741221U/en active Active
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