CN220151808U - Special speed reducer for agricultural machinery - Google Patents
Special speed reducer for agricultural machinery Download PDFInfo
- Publication number
- CN220151808U CN220151808U CN202321610642.4U CN202321610642U CN220151808U CN 220151808 U CN220151808 U CN 220151808U CN 202321610642 U CN202321610642 U CN 202321610642U CN 220151808 U CN220151808 U CN 220151808U
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- CN
- China
- Prior art keywords
- bevel gear
- output shaft
- speed reducer
- driven bevel
- bearing
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 33
- 230000017525 heat dissipation Effects 0.000 claims abstract description 11
- 230000008878 coupling Effects 0.000 claims description 23
- 238000010168 coupling process Methods 0.000 claims description 23
- 238000005859 coupling reaction Methods 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 239000000428 dust Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a special speed reducer for agricultural machinery, which relates to the field of speed reducers. According to the utility model, the driving bevel gear, the first driven bevel gear and the second driven bevel gear are arranged, when the output coupler rotates, the driving bevel gear and the second driven bevel gear are driven to rotate, and then the first output shaft and the second output shaft are driven to rotate, so that the power of the transmission shaft is transmitted to the first output shaft and the second output shaft through the gear engagement speed reducer, the split power is realized, the power transmission is stable and efficient, meanwhile, when the output coupler rotates, the output coupler drives the rotating vane to rotate, the air circulation speed in the box body can be accelerated after the rotating vane rotates, so that heat generated in the gear engagement process can enter the heat dissipation hole through the heat conduction hole and be dissipated through the heat dissipation hole, and the heat dissipation effect of the speed reducer is improved.
Description
Technical Field
The utility model relates to the field of speed reducers, in particular to a speed reducer special for agricultural machinery.
Background
In agricultural machinery, one or more oil pumps are required for system lubrication, hydraulic equipment, and the power source is typically an engine, which requires a speed reducer to split the power, which needs to meet the following performance criteria: sufficient gear life, high efficiency, low noise, high reliability and high cost performance.
The existing special speed reducer for agricultural machinery can generate more heat during operation of the speed reducer, and the heat radiating fins are arranged on the speed reducer so as to radiate the heat generated by heat in the speed reducer, but only the heat radiating fins are in contact with the outside, and the air heat transfer efficiency is poor, so that the heat inside the speed reducer is difficult to radiate rapidly in a heat radiating fin mode, and the heat radiating effect of the speed reducer is reduced.
Disclosure of Invention
Based on the above, the utility model aims to provide a special speed reducer for agricultural machinery, so as to solve the technical problem of poor heat dissipation effect of the speed reducer.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a special speed reducer of agricultural machinery, includes engine main part and box, flange is installed to the back of box, flange's inside and box's inside all are equipped with first bearing, two be equipped with output shaft coupling between the first bearing, and output shaft coupling's outer wall has cup jointed drive bevel gear to output shaft coupling's outer wall all is equipped with the rotating vane all around, the inside of box is equipped with two second bearings and third bearing respectively, and is connected with first output shaft between second bearing and the third bearing to be connected with the second output shaft between another second bearing and the third bearing, second driven bevel gear has been cup jointed to the outer wall of second output shaft, first driven bevel gear has been cup jointed to the outer wall of first output shaft, the heat conduction hole has been seted up to the inside of box, the louvre has been seted up to one side, and the internally mounted dust screen of louvre.
Through adopting above-mentioned technical scheme, it can drive the rotating vane and rotate when output shaft coupling rotates, can accelerate the inside air velocity of circulation of air of box after the rotating vane rotates.
Further, the first driven bevel gear and the second driven bevel gear are meshed with the driving bevel gear, and the diameter of the first driven bevel gear is the same as that of the second driven bevel gear.
By adopting the technical scheme, when the driving bevel gear rotates, the driving bevel gear can simultaneously drive the first driven bevel gear and the second driven bevel gear to rotate.
Further, one end of the output coupler is connected with the engine main body, and a first oil sealing cover is arranged on one side of the box body.
Through adopting above-mentioned technical scheme, when engine main part during operation it can drive output shaft coupling and rotate, and the leakproofness of box can be improved to first oil closing cap.
Further, a coupling cover is mounted on one side of the box body through bolts, and a second oil sealing cover is mounted inside the coupling cover.
By adopting the technical scheme, the second oil sealing cover can improve the sealing performance of the box body and is convenient for disassembling the connecting cover.
Further, the connecting flange is detachably connected with the box body through bolts, and the rotary vane is located between the first output shaft and the second output shaft.
Through adopting above-mentioned technical scheme, the dismouting flange of being convenient for through the setting of bolt, it can drive the swivel leaf and rotate when output connecting axle rotates simultaneously.
Further, the heat conducting holes are communicated with the heat radiating holes, and the heat conducting holes are W-shaped.
Through adopting above-mentioned technical scheme, when the inside more heat that produces of speed reducer, heat can get into the louvre inside through the heat conduction hole, discharges through the louvre again.
Further, a third oil sealing cover is arranged in the connecting flange and on the outer surface of the box body, and one end of the output coupler penetrates through the third oil sealing cover.
By adopting the technical scheme, the third oil seal cover plays a role in sealing, and meanwhile, the output coupler penetrates through the third oil seal cover and cannot be influenced to rotate.
In summary, the utility model has the following advantages:
according to the utility model, the driving bevel gear, the first driven bevel gear and the second driven bevel gear are arranged, when the output shaft coupler rotates, the first driven bevel gear and the second driven bevel gear are driven to rotate, and then the first output shaft and the second output shaft are driven to rotate, so that the power of the transmission shaft is transmitted to the first output shaft and the second output shaft through the gear meshing speed reducer, split power is realized, the power transmission is stable and efficient, the power transmission is easy to disassemble and assemble, maintenance is convenient, the using effect of the speed reducer is improved, the structure is compact, the weight is controlled, the cost is reduced, the output shaft coupler can drive the rotating blades to rotate when rotating, the air circulation speed in the box body can be accelerated after the rotating blades rotate, the heat generated in the gear meshing process can enter the heat dissipation holes through the heat conduction holes and can be dissipated through the heat dissipation holes, the heat dissipation effect of the speed reducer is improved, a large amount of heat is prevented from accumulating in the speed reducer to accelerate the damage speed of parts, and the service life of the speed reducer is further improved.
Drawings
FIG. 1 is a schematic overall perspective view of the present utility model;
FIG. 2 is a schematic view of the overall cut-away structure of the present utility model;
FIG. 3 is a schematic view of the internal structure of the case of the present utility model;
fig. 4 is a schematic side view of the case of the present utility model.
In the figure: 1. an engine main body; 2. a case; 3. an output coupling; 4. a dust screen; 5. a first bearing; 6. a connecting flange; 7. a drive bevel gear; 8. a first driven bevel gear; 9. a second bearing; 10. a first output shaft; 11. a third bearing; 12. a first oil cover; 13. a second output shaft; 14. a second oil cover; 15. a second driven bevel gear; 16. a coupling cover; 17. rotating leaves; 18. a heat conduction hole; 19. a heat radiation hole; 20. and a third oil seal.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.
1-4, including engine main part 1 and box 2, flange 6 is installed at the back of box 2, flange 6's inside and box 2's inside all are equipped with first bearing 5, be equipped with output shaft coupling 3 between two first bearings 5, and output shaft coupling 3's outer wall has cup jointed driving bevel gear 7, and output shaft coupling 3's outer wall all is equipped with rotating vane 17 all around, coupling cover 16 is installed through the bolt to one side of box 2, and coupling cover 16's internally mounted has second oil seal cover 14, flange 6 passes through the bolt and dismantles with box 2 and be connected, rotating vane 17 is located between first output shaft 10 and second output shaft 13, flange 6 is convenient for dismantle through the setting of bolt, engine main part 1 dell output is connected with output shaft coupling 3.
Referring to fig. 1 to 4, two second bearings 9 and a third bearing 11 are respectively disposed inside the case 2, a first output shaft 10 is connected between one second bearing 9 and the third bearing 11, a second output shaft 13 is connected between the other second bearing 9 and the third bearing 11, a second driven bevel gear 15 is sleeved on the outer wall of the second output shaft 13, a first driven bevel gear 8 is sleeved on the outer wall of the first output shaft 10, the first driven bevel gear 8 and the second driven bevel gear 15 are both meshed with the drive bevel gear 7, the diameter of the first driven bevel gear 8 is identical to that of the second driven bevel gear 15, when the drive bevel gear 7 rotates, the first driven bevel gear 8 and the second driven bevel gear 15 are simultaneously driven to rotate, one end of the output coupling 3 is connected with the engine main body 1, when the engine main body 1 works, a third oil cover 20 is mounted on the outer surface of the case 2 and one end of the output coupling 3 penetrates through the third oil cover 20.
Referring to fig. 1-4, a heat conducting hole 18 is formed in the box 2, a heat radiating hole 19 is formed in one side of the box 2, a dust screen 4 is mounted in the heat radiating hole 19, the heat conducting hole 18 is communicated with the heat radiating hole 19, the heat conducting hole 18 is in a W shape, dust entering the box 2 through the heat radiating hole 19 can be reduced, so that dust-proof and waterproof effects are improved, when the output coupler 3 rotates, the output coupler can drive the rotating vane 17 to rotate, the air circulation speed in the box 2 can be accelerated after the rotating vane 17 rotates, and heat generated in the gear meshing process can enter the heat radiating hole 19 through the heat conducting hole 18 and be dissipated through the heat radiating hole 19, so that the heat radiating effect of the speed reducer is improved.
The implementation principle of the embodiment is as follows: firstly, when the engine main body 1 works to drive the output coupling 3 to rotate, the output coupling 3 drives the driving bevel gear 7 to rotate, the driving bevel gear 7 drives the first driven bevel gear 8 and the second driven bevel gear 15 to rotate, the first driven bevel gear 8 drives the first output shaft 10 to rotate, the second driven bevel gear 15 drives the second output shaft 13 to rotate, the first output shaft 10 and the second output shaft 13 can simultaneously rotate, more heat can be generated when the driving bevel gear 7, the first driven bevel gear 8 and the second driven bevel gear 15 are meshed to rotate, the output coupling 3 drives the rotating blade 17 to rotate, the rotating blade 17 can accelerate the air circulation speed inside the box body 2 after rotating, and the heat generated in the gear meshing process can enter the heat dissipation hole 19 through the heat conduction hole 18 and be dissipated through the heat dissipation hole 19, so that the heat dissipation effect on the speed reducer is improved.
Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.
Claims (7)
1. The utility model provides a special speed reducer of agricultural machinery, includes engine main part (1) and box (2), its characterized in that: the back of box (2) is installed flange (6), the inside of flange (6) and the inside of box (2) all are equipped with first bearing (5), two be equipped with output shaft coupling (3) between first bearing (5), and output shaft coupling (3)'s outer wall has cup jointed driving bevel gear (7) to all be equipped with around the outer wall of output shaft coupling (3) and change leaf (17), the inside of box (2) is equipped with two second bearing (9) and third bearing (11) respectively, and is connected with first output shaft (10) between one second bearing (9) and third bearing (11) to be connected with second output shaft (13) between another second bearing (9) and third bearing (11), the outer wall of second output shaft (13) has cup jointed second driven bevel gear (15), the outer wall of first output shaft (10) has cup jointed first driven bevel gear (8), the inside of box (2) has seted up conducting hole (18), one side of box (2) has seted up heat dissipation hole (19), and dustproof net (19) are installed to one side.
2. The agricultural machine dedicated speed reducer according to claim 1, wherein: the first driven bevel gear (8) and the second driven bevel gear (15) are meshed with the driving bevel gear (7), and the diameter of the first driven bevel gear (8) is the same as that of the second driven bevel gear (15).
3. The agricultural machine dedicated speed reducer according to claim 1, wherein: one end of the output coupler (3) is connected with the engine main body (1), and a first oil sealing cover (12) is arranged on one side of the box body (2).
4. The agricultural machine dedicated speed reducer according to claim 1, wherein: one side of the box body (2) is provided with a connecting cover (16) through bolts, and the inside of the connecting cover (16) is provided with a second oil sealing cover (14).
5. The agricultural machine dedicated speed reducer according to claim 1, wherein: the connecting flange (6) is detachably connected with the box body (2) through bolts, and the rotating vane (17) is positioned between the first output shaft (10) and the second output shaft (13).
6. The agricultural machine dedicated speed reducer according to claim 1, wherein: the heat conducting holes (18) are communicated with the heat radiating holes (19), and the heat conducting holes (18) are W-shaped.
7. The agricultural machine dedicated speed reducer according to claim 1, wherein: and a third oil sealing cover (20) is arranged in the connecting flange (6) and on the outer surface of the box body (2), and one end of the output coupler (3) penetrates through the third oil sealing cover (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321610642.4U CN220151808U (en) | 2023-06-25 | 2023-06-25 | Special speed reducer for agricultural machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321610642.4U CN220151808U (en) | 2023-06-25 | 2023-06-25 | Special speed reducer for agricultural machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220151808U true CN220151808U (en) | 2023-12-08 |
Family
ID=89011949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321610642.4U Active CN220151808U (en) | 2023-06-25 | 2023-06-25 | Special speed reducer for agricultural machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220151808U (en) |
-
2023
- 2023-06-25 CN CN202321610642.4U patent/CN220151808U/en active Active
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