CN209873911U - Milling and excavating machine transmission structure - Google Patents
Milling and excavating machine transmission structure Download PDFInfo
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- CN209873911U CN209873911U CN201920456016.1U CN201920456016U CN209873911U CN 209873911 U CN209873911 U CN 209873911U CN 201920456016 U CN201920456016 U CN 201920456016U CN 209873911 U CN209873911 U CN 209873911U
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Abstract
The utility model discloses a mill and dig quick-witted transmission structure, the load simulator comprises a case, the top of machine case is provided with the apron, the inside movable mounting of machine case has first pivot. The utility model discloses a first transmission tooth of rotatory drive of first pivot is rotatory, first transmission tooth drives the second transmission tooth of meshing with it and rotates, the third transmission tooth that second transmission tooth drives meshing with it is rotatory, the third transmission tooth drives the third pivot and rotates, the third pivot drives the end cover through first bolt and rotates, the end cover drives through first bolt and mills the digging head and rotate, and first skeleton oil blanket and second skeleton oil blanket seal the surface of first pivot and second pivot and prevent the oil leak phenomenon, the input of current milling excavator has been solved, the output shaft fault rate is high, the leakproofness is not good, the problem of easy oil leak, this milling excavator transmission structure, possess the low good advantage of leakproofness, transmission efficiency and sealing performance are improved.
Description
Technical Field
The utility model relates to the technical field of machinery, specifically be a mill machine transmission structure of digging.
Background
The milling and excavating machine is a hydraulic accessory matched with an excavator for use, and can be widely applied to excavation of tunnels, ditches and municipal pipelines; crushing road surfaces, mining and excavating rock frozen soil; demolishing buildings, surface treatment, steel industry, forestry and other construction fields.
Most of input and output shafts of the existing milling and digging machine are matched and fixed by adopting a gear and a spline shaft, and due to the fact that the spline shaft is complex in structure and gaps exist in installation, the spline and a large gear are easy to be patterned in the moving process, the machine is damaged, and the existing equipment is high in failure rate and low in transmission efficiency; meanwhile, the existing equipment adopts a floating oil seal for sealing, so that the sealing performance is poor, and oil leakage is easy to occur; meanwhile, the access hole is formed in the side face of the case, so that oil leakage is easily caused by collision.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mill and dig quick-witted transmission structure, possess the low advantage that the leakproofness is good of fault rate, it is high to have solved current mill and dig quick-witted input, output shaft fault rate, and the leakproofness is not good, the easy problem of oil leak.
In order to achieve the above object, the utility model provides a following technical scheme: a milling and digging machine transmission structure comprises a machine case, wherein a cover plate is arranged at the top of the machine case, a first rotating shaft is movably arranged in the machine case, a second rotating shaft arranged at the bottom of the first rotating shaft is movably arranged in the machine case, a third rotating shaft arranged at the bottom of the second rotating shaft is movably arranged in the machine case, sealing covers are respectively arranged at the bottoms of the left side and the right side of the machine case, a milling and digging head is sleeved at the outer side of the surface of the third rotating shaft, an end cover is arranged at the outer side of the milling and digging head, a first bolt is arranged in the end cover and fixedly connected with the milling and digging head through the first bolt, the end cover is fixedly connected with the outer end of the third rotating shaft through the first bolt, a first transmission tooth is sleeved on the surface of the first rotating shaft, a second transmission tooth meshed with the first transmission tooth is sleeved on the surface of the second rotating shaft, a third transmission tooth meshed with the second transmission tooth is sleeved on the surface of the, the right side cover on first pivot surface is equipped with first skeleton oil blanket, the left side cover on second pivot surface is equipped with second skeleton oil blanket.
Preferably, the surface cover of second pivot is equipped with first bearing, the surface of first bearing and the inner wall interference fit of second driving tooth.
Preferably, the left side and the right side of the surface of the first rotating shaft are both sleeved with second bearings, and the outer sides of the second bearings are in contact with the inner wall of the case.
Preferably, the first rotating shaft, the second rotating shaft and the third rotating shaft are made of 20CrMnMo, the left side and the right side of the surface of the first rotating shaft are respectively sleeved with a sealing cover located on two sides of the case, a second bolt is arranged inside the sealing cover, and the sealing cover is fixedly connected with the outer side of the case through the second bolt.
Preferably, the left side and the right side of the surface of the third rotating shaft are both provided with a third bearing in a sleeved mode, and the surface of the third bearing is in interference fit with the inner wall of the case.
Preferably, the inner side of the sealing cover is provided with a third framework oil seal, and a clamp spring positioned on the left side of the case is clamped on the left side of the second rotating shaft surface.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses an output shaft and mill adopt no key-type connection mode between digging the head, adopt the transmission scheme of gear box simultaneously, it is rotatory to drive first driving tooth through the rotation of first pivot, first driving gear drives the second driving tooth of meshing with it and rotates, the second driving tooth drives the third driving tooth of meshing with it rotatory, the third driving tooth drives the third pivot and rotates, the third pivot drives the end cover through first bolt and rotates, the end cover drives through first bolt and mills digging the head and rotate, this kind of structure is very big has improved current spline gear's connected mode, this scheme fault rate is low, high transmission efficiency.
2. The utility model discloses a skeleton oil blanket scheme has improved current floating oil blanket scheme, and the inboard of closing cap is provided with the third skeleton oil blanket in this scheme, and the left side joint on second pivot surface has the jump ring that is located the left of quick-witted case, and this design is through the setting of third skeleton oil blanket and jump ring, and convenient to use person improves the phenomenon that sealing performance prevented the oil leak through the third skeleton oil blanket, and the jump ring can the person of facilitating the use take out the second pivot after demolising the jump ring simultaneously and maintain the change. And, first skeleton oil blanket and second skeleton oil blanket seal and prevent the oil leak phenomenon to the surface of first pivot and second pivot, have solved current mill and have dug quick-witted input, output shaft fault rate height, and the leakproofness is not good, the problem of easy oil leak, should mill and dig quick-witted transmission structure, possess the low advantage that the leakproofness is good of fault rate, improvement transmission efficiency and sealing performance.
3. The utility model discloses a service hole sets up at the top of quick-witted case rather than the side, can not produce the oil leak phenomenon because of colliding with, because of first pivot in the scheme, the material of second pivot and third pivot is 20CrMnMo and makes, the left side and the right side on first pivot surface all overlap and are equipped with the sealed lid that is located quick-witted case both sides, the inside of sealed lid is provided with the second bolt, sealed lid passes through the outside fixed connection of second bolt and quick-witted case, this design is through the first pivot that 20CrMnMo material was made, second pivot and third pivot make whole have good comprehensive mechanical properties and low temperature impact toughness, the setting of sealed lid and second bolt simultaneously, can the sealed lid of demolising by the rotatory second bolt of person of facilitating the use, improve the convenience when first pivot overhauls, and the top that the service hole is located quick-witted case can effectually reduce the emergence of oil.
4. The utility model discloses because of the surface cover of second pivot is equipped with first bearing, the surface of first bearing and the inner wall interference fit of second driving tooth, this design is through the setting of first bearing, makes the second pivot reduce at driven in-process and tremble the amount and wearing and tearing, improves the life and the transmission stability of second pivot.
5. The utility model discloses because of the left side and the right side on first pivot surface all overlap and are equipped with the second bearing, the outside of second bearing and the inner wall contact of quick-witted case, and the setting of second bearing is passed through in this design, makes first pivot reduce when the transmission and shakes the momentum, prevents simultaneously that the phenomenon of a small amount of slopes from appearing in first pivot from taking place, keeps the transmission position of first pivot to make the transmission stable through the second bearing.
6. The utility model discloses because of the left side and the right side on third pivot surface all overlap and are equipped with the third bearing, the surface of third bearing and the inner wall interference fit of quick-witted case, this design passes through the setting of third bearing, improves the transmission stability of third pivot, can prevent the phenomenon that the displacement appears in the third bearing through the interference fit of third bearing and quick-witted incasement wall to reduce rocking and wearing and tearing of third pivot simultaneously, thereby improve life.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic sectional view of the structure of fig. 1 of the present invention;
fig. 3 is an enlarged view of the position a of the present invention.
In the figure: the automatic milling machine comprises a machine case 1, a cover plate 2, a first rotating shaft 3, a second rotating shaft 4, a third rotating shaft 5, a sealing cover 6, a milling and digging head 7, an end cover 8, a first bolt 9, a first transmission gear 10, a second transmission gear 11, a third transmission gear 12, a first framework oil seal 13, a second framework oil seal 14, a first bearing 15, a second bearing 16, a sealing cover 17, a second bolt 18, a third bearing 19, a third framework oil seal 20 and a clamp spring 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a milling and excavating machine transmission structure comprises a machine case 1, a cover plate 2 is arranged at the top of the machine case 1, a first rotating shaft 3 is movably arranged in the machine case 1, a second bearing 16 is sleeved on the left side and the right side of the surface of the first rotating shaft 3, the outer side of the second bearing 16 is in contact with the inner wall of the machine case 1, the second bearing 16 is arranged to reduce the shaking amount of the first rotating shaft 3 during transmission and prevent the first rotating shaft 3 from inclining slightly, the transmission position of the first rotating shaft 3 is kept by the second bearing 16 to stabilize the transmission, a second rotating shaft 4 positioned at the bottom of the first rotating shaft 3 is movably arranged in the machine case 1, a first bearing 15 is sleeved on the surface of the second rotating shaft 4, the surface of the first bearing 15 is in interference fit with the inner wall of a second transmission tooth 11, the shaking and abrasion of the second rotating shaft 4 are reduced by the arrangement of the first bearing 15, the service life and the transmission stability of the second rotating shaft 4 are improved, the third rotating shaft 5 positioned at the bottom of the second rotating shaft 4 is movably arranged in the case 1, the first rotating shaft 3, the second rotating shaft 4 and the third rotating shaft 5 are all made of 20CrMnMo, the left side and the right side of the surface of the first rotating shaft 3 are respectively sleeved with a sealing cover 17 positioned at two sides of the case 1, a second bolt 18 is arranged in the sealing cover 17, the sealing cover 17 is fixedly connected with the outer side of the case 1 through the second bolt 18, the first rotating shaft 3, the second rotating shaft 4 and the third rotating shaft 5 which are made of 20CrMnMo enable the whole to have good comprehensive mechanical property and low-temperature impact toughness, meanwhile, the sealing cover 17 and the second bolt 18 are arranged, a user can conveniently rotate the second bolt 18 to remove the sealing cover 17, the convenience of overhauling of the first rotating shaft 3 is improved, and the overhauling port positioned at the top end of the case 1 can effectively reduce the oil leakage phenomenon, because the left side and the right side of the surface of the third rotating shaft 5 are both sleeved with the third bearings 19, the surface of the third bearings 19 is in interference fit with the inner wall of the case 1, the design improves the transmission stability of the third rotating shaft 5 through the arrangement of the third bearings 19, the phenomenon of displacement of the third bearings 19 can be prevented through the interference fit of the third bearings 19 and the inner wall of the case 1, and the swinging and abrasion of the third rotating shaft 5 are reduced simultaneously, so that the service life is prolonged, the bottom parts of the left side and the right side of the case 1 are both provided with the sealing covers 6, because the inner sides of the sealing covers 6 are provided with the third framework oil seals 20, the left side of the surface of the second rotating shaft 4 is clamped with the clamp springs 21 positioned at the left side of the case 1, the design is convenient for a user to improve the sealing performance through the third framework oil seals 20 and prevent the phenomenon of oil leakage through the arrangement of the clamp springs 20, and simultaneously, the clamp, the outside cover on third pivot 5 surface is equipped with mills and digs head 7, the outside of milling and digging head 7 is provided with end cover 8, the inside of end cover 8 is provided with first bolt 9, end cover 8 is through first bolt 9 and mill digging head 7 fixed connection, end cover 8 is through the outer end fixed connection of first bolt 9 with third pivot 5, first driving tooth 10 has been cup jointed on the surface of first pivot 3, the surface cover of second pivot 4 is equipped with the second driving tooth 11 with first driving tooth 10 meshing, the surface of third pivot 5 is cup jointed the third driving tooth 12 with second driving tooth 11 meshing, the right side cover on first pivot 3 surface is equipped with first skeleton oil blanket 13, the left side cover on second pivot 4 surface is equipped with second skeleton oil blanket 14. Specifically, be provided with a plurality of heliciform mills on the periphery wall of milling and digging head 7 and dig the tooth, mill and dig the tooth and fix on the periphery wall of milling and digging head 7 through the welded mode.
During the use, the user drives first driving tooth 10 rotatory through the rotation of first pivot 3, first driving tooth 10 drives the second driving tooth 11 of meshing with it and rotates, second driving tooth 11 drives the third driving tooth 12 of meshing with it and rotates, third driving tooth 12 drives third pivot 5 and rotates, third pivot 5 drives end cover 8 through first bolt 9 and rotates, end cover 8 drives through first bolt 9 and mills and dig head 7 and rotate, it drives the surperficial tooth that digs to mill and dig head 7 and rotates, it excavates to mill and dig the rotatory surface that will excavate the thing of tooth and excavate.
In summary, the following steps: this mill machine transmission structure of digging, it is rotatory to drive first driving gear 10 through 3 rotations of first pivot, first driving gear 10 drives second driving gear 11 with it meshing and rotates, second driving gear 11 drives third driving gear 12 with it meshing and rotates, third driving gear 12 drives third pivot 5 and rotates, third pivot 5 drives end cover 8 through first bolt 9 and rotates, end cover 8 drives through first bolt 9 and mills and dig head 7 and rotate, and first skeleton oil blanket 13 and second skeleton oil blanket 14 seal the surface of first pivot 3 and second pivot 4 and prevent the oil leak phenomenon, the input of current milling machine of digging has been solved, the output shaft fault rate is high, the leakproofness is not good, the problem of easy oil leak.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a mill machine transmission structure that digs, includes quick-witted case (1), its characterized in that: the top of the case (1) is provided with a cover plate (2), a first rotating shaft (3) is movably mounted in the case (1), a second rotating shaft (4) positioned at the bottom of the first rotating shaft (3) is movably mounted in the case (1), a third rotating shaft (5) positioned at the bottom of the second rotating shaft (4) is movably mounted in the case (1), sealing covers (6) are respectively arranged at the bottoms of the left side and the right side of the case (1), a milling and digging head (7) is sleeved on the outer side of the surface of the third rotating shaft (5), an end cover (8) is arranged on the outer side of the milling and digging head (7), a first bolt (9) is arranged in the end cover (8), the end cover (8) is fixedly connected with the milling and digging head (7) through the first bolt (9), and the end cover (8) is fixedly connected with the outer end of the third rotating shaft (5) through the first bolt (9), first transmission tooth (10) have been cup jointed on the surface of first pivot (3), the surface cover of second pivot (4) is equipped with second driving tooth (11) with first transmission tooth (10) meshing, the surface of third pivot (5) is cup jointed third driving tooth (12) with second driving tooth (11) meshing, the right side cover on first pivot (3) surface is equipped with first skeleton oil blanket (13), the left side cover on second pivot (4) surface is equipped with second skeleton oil blanket (14).
2. The transmission structure of the milling and excavating machine as claimed in claim 1, wherein: the surface cover of second pivot (4) is equipped with first bearing (15), the surface of first bearing (15) and the inner wall interference fit of second driving tooth (11).
3. The transmission structure of the milling and excavating machine as claimed in claim 1, wherein: the left side and the right side on first pivot (3) surface all are equipped with second bearing (16), the outside of second bearing (16) contacts with the inner wall of quick-witted case (1).
4. The transmission structure of the milling and excavating machine as claimed in claim 1, wherein: the material of first pivot (3), second pivot (4) and third pivot (5) is 20CrMnMo and makes, the left side and the right side on first pivot (3) surface all overlap and are equipped with sealed lid (17) that are located quick-witted case (1) both sides, the inside of sealed lid (17) is provided with second bolt (18), sealed lid (17) are through the outside fixed connection of second bolt (18) with quick-witted case (1).
5. The transmission structure of the milling and excavating machine as claimed in claim 1, wherein: the left side and the right side on third pivot (5) surface all are equipped with third bearing (19), the surface of third bearing (19) and the inner wall interference fit of quick-witted case (1).
6. The transmission structure of the milling and excavating machine as claimed in claim 1, wherein: the inboard of closing cap (6) is provided with third skeleton oil blanket (20), the left side joint on second pivot (4) surface has and is located left jump ring (21) of quick-witted case (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920456016.1U CN209873911U (en) | 2019-04-06 | 2019-04-06 | Milling and excavating machine transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920456016.1U CN209873911U (en) | 2019-04-06 | 2019-04-06 | Milling and excavating machine transmission structure |
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| Publication Number | Publication Date |
|---|---|
| CN209873911U true CN209873911U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920456016.1U Active CN209873911U (en) | 2019-04-06 | 2019-04-06 | Milling and excavating machine transmission structure |
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| CN (1) | CN209873911U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173063A (en) * | 2020-02-15 | 2020-05-19 | 陕西力明众创机电设备有限公司 | Internal spraying milling and digging machine device |
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2019
- 2019-04-06 CN CN201920456016.1U patent/CN209873911U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173063A (en) * | 2020-02-15 | 2020-05-19 | 陕西力明众创机电设备有限公司 | Internal spraying milling and digging machine device |
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