CN210423618U - Mechanical transmission device - Google Patents
Mechanical transmission device Download PDFInfo
- Publication number
- CN210423618U CN210423618U CN201921226347.2U CN201921226347U CN210423618U CN 210423618 U CN210423618 U CN 210423618U CN 201921226347 U CN201921226347 U CN 201921226347U CN 210423618 U CN210423618 U CN 210423618U
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- lever
- connecting rod
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- driving
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- 230000009347 mechanical transmission Effects 0.000 title claims abstract description 17
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of mechanical transmission devices, and discloses a mechanical transmission device, which comprises an output crankshaft, a first lever, a second lever, a first output connecting rod, a second output connecting rod, a cooperative connecting rod and a driving device, wherein the output crankshaft comprises an output end, a plurality of connecting rod shaft diameters and fixed ends, the first lever and the second lever comprise a fulcrum part, a pushing part and a driving part, the fulcrum parts of the first lever and the second lever are respectively hinged with a fixed seat, one end of the first output connecting rod and one end of the second output connecting rod are respectively rotationally connected with the pushing parts of the first lever and the second lever, the other ends of the first output connecting rod and the second output connecting rod are connected with the connecting rod shaft diameters of the output crankshaft, the driving part of the first lever is connected with the driving device, and the two ends of the cooperative connecting rod are respectively rotationally connected with the driving parts of the first lever and the second lever, the utility model has simple structure, the transmission mechanism has the advantages of convenience in operation, low use cost and the like, and can increase the output torque of the output crankshaft in the transmission process.
Description
Technical Field
The utility model relates to a mechanical transmission technical field, especially a mechanical transmission.
Background
Mechanical transmission is widely used in mechanical engineering, and mainly refers to transmission for transmitting power and motion in a mechanical mode. The method is divided into two categories: firstly, rely on frictional force transmission power and friction drive between the parts, secondly rely on the meshing of driving part and follower or with the help of intermediate member meshing transmission power or the meshing transmission of motion, increase the equipment of moment of torsion among the current mechanical transmission system, more adoption be equipment such as gearbox, reducing gear box, this kind of equipment need more, cooperate accurate wheelset just can reach better increase effect, and this kind of equipment volume is comparatively heavy usually, and is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mechanical transmission to in solving current transmission structure, the equipment structure of increase moment of torsion is complicated, the bulky scheduling problem of volume.
In order to realize the technical purpose, reach above-mentioned technological effect, the utility model discloses a mechanical transmission, included output bent axle, first lever, second lever, first output connecting rod, second output connecting rod, cooperation connecting rod and drive arrangement, output bent axle include output, a plurality of connecting rod diameters and stiff end, first lever, second lever all include fulcrum portion, promotion portion and drive division, the fulcrum portion of first lever, second lever articulated with a fixing base respectively, the one end of first output connecting rod, second output connecting rod rotate with the promotion portion of first lever, second lever respectively and be connected, the other end of first output connecting rod, second output connecting rod be connected with output bent axle's connecting rod diameter, the drive division of first lever be connected with drive arrangement, the both ends of cooperation connecting rod respectively with first lever, The driving part of the second lever is rotatably connected.
Further, the driving device comprises an eccentric shaft and a driving connecting rod, the eccentric shaft comprises an input end and an output end, one end of the driving connecting rod is rotatably connected with the driving part of the first lever, the other end of the driving connecting rod is connected with the output end of the eccentric shaft, and the input end of the eccentric shaft is connected with an external motor.
Furthermore, the distances from the pushing parts of the first lever and the second lever to the fulcrum parts are 1/3 of the distances from the driving parts to the fulcrum parts.
Further, the distance from the pushing part of the first lever to the fulcrum part is equal to the distance from the pushing part of the second lever to the fulcrum part.
Furthermore, the eccentric shaft is provided with a radial sliding rail, and the output end of the eccentric shaft is fixed on the sliding rail in a sliding manner.
Furthermore, the output crankshaft is made of nodular cast iron.
The utility model discloses following beneficial effect has:
1. the utility model discloses in, first lever, second lever drive output crankshaft rotate to through the outside transmission power of output crankshaft, through setting up the driving force that two sets of levers increased the output connecting rod, and then increase output crankshaft's output torque, the utility model has the advantages of simple structure, convenient operation, use cost low.
2. The driving connecting rod converts the torque of the rotation of the eccentric shaft into the up-down thrust of the first lever driving part, the output force of the first lever driving part is increased through the first lever and the second lever, finally, the output crankshaft is driven to rotate through the output connecting rod, and the two levers can move in a coordinated mode through the coordinated connecting rod between the first lever and the second lever.
Drawings
Fig. 1 is a schematic structural diagram of a first angle of the present invention.
Fig. 2 is a schematic structural diagram of a second angle of the present invention.
Fig. 3 is a schematic structural view of the eccentric shaft of the present invention.
Description of the main part symbols:
1. an output crankshaft; 11. an output end of the output crankshaft; 12. the shaft diameter of the connecting rod; 13. a fixed end of the output crankshaft; 2. a first lever; 3. a second lever; 4. an eccentric shaft; 41. an input end of the eccentric shaft; 42. an output end of the eccentric shaft; 43. a sliding rail; 5. a first output link; 6. a second output link; 7. a fixed seat; 8. a drive link; 9. cooperating with the connecting rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
As shown in fig. 1-3, the utility model discloses a mechanical transmission device, including output crankshaft 1, first lever 2, second lever 3, first output connecting rod 5, second output connecting rod 6, cooperation connecting rod 9 and drive arrangement, output crankshaft 1 includes output 11, a plurality of connecting rod diameters 12 and stiff end 13, first lever 2, second lever 3 all include fulcrum portion, promotion portion and drive division, the fulcrum portion of first lever 2, second lever 3 is articulated with a fixing base 7 respectively, one end of first output connecting rod 5, second output connecting rod 6 rotates with the promotion portion of first lever 2, second lever 3 respectively and is connected, the other end of first output connecting rod 5, second output connecting rod 6 is connected with connecting rod diameter 12 of output crankshaft 1, the drive division of first lever 2 is connected with drive arrangement, the both ends of cooperation connecting rod 9 respectively with first lever 2, second lever 3, The drive of the second lever 3 is rotationally connected.
The driving device comprises an eccentric shaft 4 and a driving connecting rod 8, the eccentric shaft comprises an input end 41 and an output end 42, one end of the driving connecting rod 8 is rotatably connected with the driving part of the first lever 2, the other end of the driving connecting rod 8 is connected with the output end 42 of the eccentric shaft 4, and the input end 41 of the eccentric shaft 4 is connected with an external motor.
The distances from the pushing parts of the first lever 2 and the second lever 3 to the fulcrum parts are 1/3 of the distances from the driving parts to the fulcrum parts, the distance from the pushing part of the first lever 2 to the fulcrum parts is equal to the distance from the pushing part of the second lever 3 to the fulcrum parts, the lengths of the resistance arms of the first lever 2 and the second lever 3 are the same, and the two levers work synchronously to drive the output crankshaft 1 to rotate.
The eccentric shaft 4 is provided with a radial sliding rail 43, the output end 42 of the eccentric shaft 4 is fixed on the sliding rail 43 in a sliding manner, and the radial sliding rail 43 is used for facilitating the adjustment of the eccentricity of the output end 42 of the eccentric shaft 4 according to the requirements of the whole transmission device, so that the matching of all parts of the whole transmission device is more perfect.
The output crankshaft 1 is made of nodular cast iron, the nodular cast iron is a high-strength cast iron material, the comprehensive performance of the nodular cast iron material is close to that of steel, and the nodular cast iron material is widely used for casting parts which are stressed complexly and have high requirements on strength, toughness and wear resistance based on the excellent performance of the nodular cast iron material.
The utility model discloses a working process:
the input end 41 of the eccentric shaft 4 is connected with an external motor, the external motor drives the eccentric shaft to rotate, the driving connecting rod 8 converts the torque of the rotation of the eccentric shaft 4 into the up-down thrust of the driving part of the first lever 2, the driving force of the driving part of the first lever 22 is increased by the first lever 2 and the second lever 3 according to the lever principle, the output force is increased by the driving force of the driving part of the first lever 22 and the rotation of the output crankshaft 1 is driven by the first output connecting rod 5 and the second output connecting rod 6, and the two levers can be synchronously moved by the cooperation connecting rod 9 between the first lever 2 and the second lever 3.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (6)
1. A mechanical transmission device is characterized by comprising an output crankshaft, a first lever, a second lever, a first output connecting rod, a second output connecting rod, a cooperative connecting rod and a driving device, the output crankshaft comprises an output end, a plurality of connecting rod shaft diameters and a fixed end, the first lever and the second lever respectively comprise a fulcrum part, a pushing part and a driving part, the fulcrum parts of the first lever and the second lever are respectively hinged with a fixed seat, one ends of the first output connecting rod and the second output connecting rod are respectively connected with the pushing parts of the first lever and the second lever in a rotating way, the other ends of the first output connecting rod and the second output connecting rod are connected with the connecting rod shaft diameter of the output crankshaft, the driving part of the first lever is connected with the driving device, and two ends of the cooperative connecting rod are respectively connected with the driving parts of the first lever and the second lever in a rotating mode.
2. A mechanical transmission device as defined in claim 1, wherein: the driving device comprises an eccentric shaft and a driving connecting rod, the eccentric shaft comprises an input end and an output end, one end of the driving connecting rod is rotatably connected with the driving part of the first lever, the other end of the driving connecting rod is connected with the output end of the eccentric shaft, and the input end of the eccentric shaft is connected with an external motor.
3. A mechanical transmission device as defined in claim 2, wherein: the distances from the pushing parts of the first lever and the second lever to the fulcrum parts are 1/3 of the distances from the driving parts to the fulcrum parts.
4. A mechanical transmission device according to claim 3, wherein: the distance from the pushing part of the first lever to the fulcrum part is equal to the distance from the pushing part of the second lever to the fulcrum part.
5. A mechanical transmission device according to claim 4, wherein: the eccentric shaft is provided with a radial sliding rail, and the output end of the eccentric shaft is fixed on the sliding rail in a sliding manner.
6. A mechanical transmission device according to claim 5, wherein: the output crankshaft is made of nodular cast iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921226347.2U CN210423618U (en) | 2019-07-31 | 2019-07-31 | Mechanical transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921226347.2U CN210423618U (en) | 2019-07-31 | 2019-07-31 | Mechanical transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210423618U true CN210423618U (en) | 2020-04-28 |
Family
ID=70383848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921226347.2U Withdrawn - After Issue CN210423618U (en) | 2019-07-31 | 2019-07-31 | Mechanical transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210423618U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375044A (en) * | 2019-07-31 | 2019-10-25 | 彭正兴 | A kind of mechanical driving device |
-
2019
- 2019-07-31 CN CN201921226347.2U patent/CN210423618U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375044A (en) * | 2019-07-31 | 2019-10-25 | 彭正兴 | A kind of mechanical driving device |
| CN110375044B (en) * | 2019-07-31 | 2024-05-03 | 彭正兴 | Mechanical transmission device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200428 Effective date of abandoning: 20240503 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200428 Effective date of abandoning: 20240503 |