CN218118488U

CN218118488U - Transmission gear structure of speed changing box group of straightening machine

Info

Publication number: CN218118488U
Application number: CN202221936820.8U
Authority: CN
Inventors: 邓志健; 陆自强
Original assignee: Shanghai Baoxie New Energy Technology Co ltd
Current assignee: Shanghai Baoxie New Energy Technology Co ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-12-23
Anticipated expiration: 2032-07-26

Abstract

The utility model discloses a drive gear structure of levelling machine gearbox group relates to the levelling machine field, including the gearbox, be equipped with connecting axle, output shaft and rachis in the gearbox, be equipped with first gear on the connecting axle, cup jointed the second gear on the output shaft, the rachis all is equipped with the teeth of a cogwheel on duplicate gear, first gear and the second gear, is equipped with the abrasionproof subassembly on the teeth of a cogwheel, is equipped with heat conduction assembly in duplicate gear, first gear and the second gear. The utility model discloses a be provided with heat conduction assembly, the heat that the long-time meshing produced between the gear can be through first heat-conducting plate conduction to the second heat-conducting plate on, and through second heat-conducting plate conduction to the fin, again through the fin entering to heat conduction intracavity portion, after that get into to the louvre inside, then get into to connecting axle, inside output shaft and the tooth axle through the louvre, and spill through the through-hole, and then can improve the radiating efficiency to the gear, prevent that the produced heat of the long-time meshing of gear from gathering on the gear always.

Description

Transmission gear structure of speed changing box group of straightening machine

Technical Field

The utility model relates to a levelling machine field specifically is a driving gear structure of levelling machine gearbox group.

Background

The speed changing box is generally used on automobiles, tractors, ships, machine tools and various machines and is used for changing the torque, the rotating speed and the motion direction transmitted from a driving shaft to a driven shaft according to different working conditions, the speed changing box is required to be used on a straightening machine to change the rotating speed of a rotating shaft, and a transmission gear structure in the speed changing box is an important composition structure of the speed changing box.

According to the Chinese patent with the publication number of CN209638336U, the auxiliary gearbox for realizing speed-doubling speed change of the automobile is disclosed, the gearbox can greatly save the cost, and the speed-doubling speed change of the automobile is simple and easy to implement.

In view of the above patent disclosure, the inventor believes that the gear will generate a large amount of heat after engaging and rotating for a long time, and the generated heat is difficult to be quickly dissipated, so that the heat will be accumulated on the gear, and the damage speed of the gear will be increased, and the service life of the gear will be reduced.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a driving gear structure of levelling machine gearbox group to solve the technical problem that the heat that gear engagement rotation produced is difficult to the effluvium.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a drive gear structure of levelling machine gear box group, includes the gearbox, be equipped with connecting axle, output shaft and tooth axle in the gearbox, be equipped with first gear on the connecting axle, the second gear has been cup jointed on the output shaft, the tooth axle, all be equipped with the teeth of a cogwheel on duplicate gear, first gear and the second gear, be equipped with the abrasionproof subassembly on the teeth of a cogwheel, be equipped with heat conduction assembly in duplicate gear, first gear and the second gear, heat conduction assembly includes heat conduction chamber, louvre and a plurality of first heat-conducting plate, per two install the second heat-conducting plate between the heat-conducting plate, be equipped with the fin that extends to the heat conduction intracavity portion on the second heat-conducting plate.

Through adopting above-mentioned technical scheme, the heat can enter into to heat conduction intracavity portion through the fin, and then can improve the radiating efficiency to the gear, prevents that the produced heat of gear long-time meshing from gathering on the gear always.

Furthermore, the first heat-conducting plate is attached to the inner wall of the gear teeth, and the length of the second heat-conducting plate is smaller than that of the first heat-conducting plate.

By adopting the technical scheme, the heat on the gear teeth can be conducted to the second heat-conducting plate through the first heat-conducting plate and conducted to the radiating fin through the second heat-conducting plate.

Furthermore, the heat conduction cavity is communicated with the heat dissipation holes, and the heat dissipation holes are distributed in the duplicate gear, the first gear and the second gear in an annular array manner.

Through adopting above-mentioned technical scheme, can make steam enter into to the louvre inside through the heat conduction chamber, enter into inside connecting axle, output shaft and the pinion through the louvre again.

Furthermore, the anti-abrasion assembly comprises an anti-abrasion sleeve, mounting blocks are fixed to two sides of the anti-abrasion sleeve, and fastening bolts extending to the interior of the duplicate gear, the first gear and the second gear are mounted on the mounting blocks.

Through adopting above-mentioned technical scheme, when the abrasionproof cover needs to be changed, the user can be with fastening bolt from installation piece and gear back-out, then the abrasionproof cover of taking for the abrasionproof cover takes out from the teeth of a cogwheel, and then can change it.

Furthermore, the anti-abrasion sleeve is sleeved on the gear teeth, and the thickness of the anti-abrasion sleeve is the same as that of the gear teeth.

Through adopting above-mentioned technical scheme to protect the gear teeth, avoid causing the wearing and tearing of gear teeth.

Further, the duplicate gear is meshed with the first gear and the second gear respectively.

Through adopting above-mentioned technical scheme to can drive the duplicate gear rotation when the second gear rotates, and then drive first gear rotation again.

To sum up, the utility model discloses mainly have following beneficial effect:

1. the utility model discloses a be provided with heat conduction assembly, the heat that the long-time meshing of gear produced can be conducted to the second heat-conducting plate through first heat-conducting plate, and on the heat dissipation piece is conducted to the second heat-conducting plate through the second heat-conducting plate, get into to the heat conduction intracavity portion through the fin again, then get into to the louvre inside, then get into to connecting axle, output shaft and tooth axle inside through the louvre, and through the through-hole effluvium, and then can improve the radiating efficiency to the gear, prevent that the heat that the long-time meshing of gear produced from gathering on the gear always, thereby improved the life of gear;

2. the utility model discloses a be provided with the abrasionproof subassembly, because the setting of abrasionproof cover, so that protect the wheel tooth, avoid causing the wearing and tearing of the teeth of a cogwheel, thereby can make the long-time meshing between the gear, and then improve drive gear's life, and when the abrasionproof cover needs to be changed, the user can unscrew fastening bolt from installation piece and gear, then the abrasionproof cover of taking, make the abrasionproof cover take out from the teeth of a cogwheel, and then can change it, so that the abrasionproof cover after changing can continue to protect the wheel tooth.

Drawings

FIG. 1 is a schematic view of the overall front cross-section structure of the present invention;

fig. 2 is a schematic view of a side-cut partial structure of a dual gear of the present invention;

fig. 3 is an enlarged view of a point a in fig. 2 according to the present invention;

fig. 4 is a schematic view of a three-dimensional partial structure of the first gear of the present invention.

In the figure: 1. a gearbox; 2. a first gear; 3. a duplicate gear; 4. a second gear; 5. a heat conducting component; 501. a heat conducting cavity; 502. a first heat-conducting plate; 503. a second heat-conducting plate; 504. a heat sink; 505. heat dissipation holes; 6. gear teeth; 7. a gear shaft; 8. an anti-wear assembly; 801. an anti-wear sleeve; 802. mounting a block; 803. fastening a bolt; 9. an output shaft; 10. and (7) connecting the shafts.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following describes an embodiment of the present invention according to its overall structure.

The utility model provides a drive gear structure of levelling machine gear box group, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, including gearbox 1, be equipped with connecting axle 10 in the gearbox 1, output shaft 9 and pinion 7, be equipped with first gear 2 on the connecting axle 10, second gear 4 has been cup jointed on the output shaft 9, duplicate gear 3 has been cup jointed on the pinion 7, duplicate gear 3 meshes with first gear 2 and second gear 4 respectively, so that can drive duplicate gear 3 when second gear 4 rotates and rotate, and then drive first gear 2 and rotate, duplicate gear 3, all be equipped with teeth of a cogwheel 6 on first gear 2 and the second gear 4, be equipped with abrasionproof subassembly 8 on the teeth of a cogwheel 6, be equipped with heat-conducting component 5 in duplicate gear 3, first gear 2 and the second gear 4.

Specifically, the heat conducting component 5 includes a heat conducting cavity 501, heat dissipating holes 505 and a plurality of first heat conducting plates 502, the heat conducting cavity 501 is disposed inside the duplicate gear 3, the first gear 2 and the second gear 4, a second heat conducting plate 503 is installed between every two heat conducting plates 502, the first heat conducting plate 502 is attached to the inner wall of the gear tooth 6, the length of the second heat conducting plate 503 is smaller than that of the first heat conducting plate 502, heat on the gear tooth 6 can be conducted to the second heat conducting plate 503 through the first heat conducting plate 502, and conducted to the heat dissipating fins 504 through the second heat conducting plate 503, the heat conducting cavity 501 is communicated with the heat dissipating holes 505, the connecting shaft 10, the output shaft 9 and the gear shaft 7 are both hollow, and through holes are disposed on the connecting shaft 10, the output shaft 9 and the gear shaft 7, the heat dissipating holes can discharge the heat through the through holes, thereby improving the heat dissipating efficiency of the gear, the plurality of 505 are distributed in the duplicate gear 3, the first gear 2 and the second gear 4 in an annular array shape, heat dissipating fins 504 are disposed on the second heat conducting plate 503, the heat conducting plate 501, the heat dissipating fins can enter the heat conducting plate, and are convenient for the heat dissipating fins.

Specifically, the anti-wear assembly 8 includes the anti-wear sleeve 801, the anti-wear sleeve 801 is sleeved on the gear teeth 6, the thickness of the anti-wear sleeve 801 is the same as that of the gear teeth 6, so as to protect the gear teeth 6, the anti-wear sleeve 801 is matched with the gear teeth 6, the anti-wear sleeve 801 is convenient to disassemble and assemble, the protection effect on the gear teeth 6 is improved, both sides of the anti-wear sleeve 801 are fixed with the installation blocks 802, the installation blocks 802 are provided with the fastening bolts 803 extending to the duplicate gear 3 and the inner parts of the first gear 2 and the second gear 4, when the anti-wear sleeve 801 needs to be replaced, a user can unscrew the fastening bolts 803 from the installation blocks 802 and the gears, then the anti-wear sleeve 801 is taken out, so that the anti-wear sleeve 801 is taken out of the gear teeth 6, and then the anti-wear sleeve can be replaced.

The implementation principle of the embodiment is as follows: firstly, when the output shaft 9 rotates, the output shaft can drive the second gear 4 to rotate, and when the second gear 4 rotates, the dual gear 3 can be driven to rotate, so that the first gear 2 is driven to rotate, and the connecting shaft 10 is driven to rotate;

the anti-wear sleeve is sleeved on the gear teeth 6, so that the gear teeth 6 can be protected, and when the anti-wear sleeve 801 needs to be replaced, a user can unscrew the fastening bolt 803 from the mounting block 802 and the gear, and then take the anti-wear sleeve 801, so that the anti-wear sleeve 801 is taken out from the gear teeth 6, and can be replaced;

the heat generated by the long-time meshing between the gears can be conducted to the second heat conducting plate 503 through the first heat conducting plate 502, conducted to the radiating fins 504 through the second heat conducting plate 503, then enters the heat conducting cavity 501 through the radiating fins 504, then enters the radiating holes 505, then enters the connecting shaft 10, the output shaft 9 and the gear shaft 7 through the radiating holes 505, and is radiated out through the through holes, so that the heat generated by the long-time meshing of the gears is prevented from being accumulated on the gears all the time.

Although embodiments of the present invention have been shown and described, it is intended that the present embodiments be illustrative only and not limiting to the invention, and that the particular features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples, and that modifications, substitutions, variations, and the like, which are not inventive in light of the above teachings, may be made to the embodiments by those skilled in the art without departing from the principles and spirit of the present invention, but are to be construed as broadly as the following claims.

Claims

1. The utility model provides a drive gear structure of levelling machine gear box group, includes gearbox (1), its characterized in that: be equipped with connecting axle (10), output shaft (9) and tooth axle (7) in gearbox (1), be equipped with first gear (2) on connecting axle (10), second gear (4) have been cup jointed on output shaft (9), duplicate gear (3) have been cup jointed on tooth axle (7), all be equipped with teeth of a cogwheel (6) on duplicate gear (3), first gear (2) and second gear (4), be equipped with abrasionproof subassembly (8) on the teeth of a cogwheel (6), be equipped with thermal-conductive subassembly (5) in duplicate gear (3), first gear (2) and second gear (4), thermal-conductive subassembly (5) are including heat conduction chamber (501), louvre (505) and a plurality of first heat-conducting plate (502), per two install second heat-conducting plate (503) between first heat-conducting plate (502), be equipped with on second heat-conducting plate (503) and extend to heat conduction chamber (501) inside fin (504).

2. The gear structure of the speed changing box set of the straightening machine as claimed in claim 1, wherein: the first heat-conducting plate (502) is attached to the inner wall of the gear teeth (6), and the length of the second heat-conducting plate (503) is smaller than that of the first heat-conducting plate (502).

3. The gear structure of the speed changing box set of the straightening machine as claimed in claim 1, wherein: the heat conduction cavity (501) is communicated with the heat dissipation holes (505), and the heat dissipation holes (505) are distributed in the duplicate gear (3), the first gear (2) and the second gear (4) in an annular array.

4. The gear structure of the speed changing box set of the straightening machine as claimed in claim 1, wherein: abrasionproof subassembly (8) are including abrasionproof cover (801), the both sides of abrasionproof cover (801) all are fixed with installation piece (802), install fastening bolt (803) that extend to duplicate gear (3), first gear (2) and second gear (4) inside on installation piece (802).

5. The gear structure of the speed changing box set of the straightening machine as claimed in claim 4, wherein: the anti-abrasion sleeve (801) is sleeved on the gear teeth (6), and the thickness of the anti-abrasion sleeve (801) is the same as that of the gear teeth (6).

6. The gear structure of the speed changing box set of the straightening machine as claimed in claim 1, wherein: the duplicate gear (3) is respectively meshed with the first gear (2) and the second gear (4).