CN202926966U - Transmission gear box structure - Google Patents
Transmission gear box structure Download PDFInfo
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- CN202926966U CN202926966U CN 201220592332 CN201220592332U CN202926966U CN 202926966 U CN202926966 U CN 202926966U CN 201220592332 CN201220592332 CN 201220592332 CN 201220592332 U CN201220592332 U CN 201220592332U CN 202926966 U CN202926966 U CN 202926966U
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- gear
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Abstract
The utility model discloses a transmission gear box structure which is suitable for a plurality of industries such as metallurgy, petroleum, chemical engineering, sugaring, mine, transportation and the like. The structure mainly comprises a gear box body, a box cover, a bevel gear transmission mechanism and a first planetary gear transmission mechanism, wherein a first sun wheel shaft of the first planetary gear transmission mechanism is skillfully designed to be in a flexible long shaft structure; a first planetary carrier and a hollow gear shaft are movably sleeved on the first sun wheel shaft; and input power is transferred to an output stage gear by the first planetary gear transmission mechanism and the hollow gear shaft through the bevel gear transmission mechanism, then is output at a plurality of angles by an output shaft. The improved structure is more compact, and has the advantages of small size, light weight, high overall gear ratio, strong output torque, high bearing capacity, stability in transmission, high transmission efficiency and the like; and a power transfer structure can be adjusted according to different use locations, so that special mounting requirements of whole equipment are satisfied, the equipment purchasing cost is reduced, the industrial application range is widened, and the economic advantage is improved.
Description
Technical field
The utility model relates to a kind of machinery gear box structure, refers in particular to the driving gear box structure of Novel transmission form and structure.
Background technique
Uni-drive gear box belongs to the vitals in machinery, it has born the transmission of power of machinery, as withdrawal straightening machine common in machinery, it is as the visual plant in the steel industry caster, special and affected by spatial constraints due to its structure, withdrawal straightening machine need to satisfy the usage requirement of low-speed big output on the one hand with uni-drive gear box, also be extremely restricted for the profile installation dimension on the other hand.Disclosed China Patent No. is " mixer power transmission gear box " that 200920119442.2 " vertical roller mill gear box " and disclosed China Patent No. are 201020196411.X, and they have all related to a kind of gearbox drive structure with bevel gear transmission mechanism and planetary gear mechanism.But, their bevel gear transmission mechanism and the design of the transmission of power between planetary gear mechanism are dexterous not, compact, can not effectively satisfy the usage requirement of the output of gear-box low-speed big, large speed ratio transmission, especially the gear-box volume is large, Heavy Weight, its transmission of power can't be adjusted according to the real work needs, has greatly affected speed ratio and the moment of torsion of gear-box output.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the defective of prior art and a kind of usage requirement that can satisfy gear-box low-speed big output, large speed ratio transmission is provided, can greatly reduce the driving gear box structure of gear-box boundary dimension and complete machine weight again, this uni-drive gear box also has compact structure, volume is little, lightweight, and overall ratio is large, output torque is strong, bearing capacity is large, stable drive, transmission efficiency advantages of higher.
Technical problem of the present utility model is achieved through the following technical solutions:
A kind of driving gear box structure mainly comprises gear housing, case lid and is arranged on gear housing interior bevel gear transmission mechanism and the first planetary gear mechanism; Described bevel gear transmission mechanism mainly comprises intermeshing angular wheel shaft and umbrella gear, and this angular wheel shaft is power input shaft; Described the first planetary gear mechanism mainly comprises the first sun wheel shaft, the first planetary gear set, the first row spider gear shaft, the first ring gear and the first planet carrier, below described the first sun wheel shaft, output shaft is installed, this output shaft two ends are respectively on the bearing installed in gear housing of rotating support and driven by the first planetary gear mechanism to rotate, described umbrella gear is in transmission connection on the first sun wheel shaft, on the bearing that rotating support is installed in gear housing respectively of this first sun wheel shaft two ends; Described the first planetary gear set is meshed with the first sun wheel shaft, the first ring gear respectively, and this first ring gear is connected on gear housing; Described the first sun wheel shaft also is provided with the first planet carrier and the hollow pinion of movable set outward; Described the first planet carrier one end is connected with the first row spider gear shaft, and the other end and hollow pinion are in transmission connection; Described output shaft is provided with the gearwheel that is in transmission connection, and this gearwheel is meshed with described hollow pinion.
Described angular wheel shaft is provided with the second planetary gear mechanism of power input, and this second planetary gear mechanism mainly comprises scaffold, internal tooth casing, the second sun wheel shaft, the second planetary gear set, the second planet wheel shaft, the second ring gear and the second planet carrier; Described scaffold is connected on the second ring gear, and this second ring gear is connected on gear housing; On the bearing of described internal tooth casing rotating support in scaffold, this internal tooth casing and the second sun wheel shaft are in transmission connection; Described the second planetary gear set is meshed with the second sun wheel shaft, the second ring gear respectively; Described the second planet carrier one end is connected with the second planet wheel shaft, and the other end and angular wheel shaft are in transmission connection.
Described the first sun wheel shaft is flexible long shaft.
Described hollow pinion is hollow cylinder tooth axle, and corresponding gearwheel is the cylindrical gears for being meshed with hollow cylinder tooth axle.
Described hollow pinion is hollow worm screw, and corresponding gearwheel is the worm gear for being meshed with hollow worm screw.
Described output shaft is solid shaft or spline hollow shaft or flange shaft.
Described the first planetary gear mechanism is the above planetary gear mechanism of one-level.
Described the second planetary gear mechanism is the above planetary gear mechanism of one-level.
Described gear housing top is equipped with the lubricant oil oil feeding reservoir, is provided with the water-cooled coil pipe in gear housing.
compared with prior art, the utility model is mainly to adopt bevel gear transmission mechanism and the first planetary gear mechanism as power transmission structure in uni-drive gear box, and the first sun wheel shaft of the first planetary gear mechanism is designed to the flexible long shaft structure cleverly, also with the first planet carrier and hollow pinion movable set on the first sun wheel shaft, during work by bevel gear transmission mechanism with input power successively through the first sun wheel shaft, the first planetary gear set, the first row spider gear shaft and the first planet carrier are passed on hollow pinion, rotate output by hollow pinion driver output axle again, uni-drive gear box after improvement has compact structure, volume is little, lightweight, overall ratio is large, output torque is strong, bearing capacity is large, stable drive, the transmission efficiency advantages of higher, especially can also carry out according to the difference of use occasion the adjustment of gear-box input end and output terminal, this has not only satisfied the requirement of integral device special mounting, also reduced the equipment purchase cost, in commercial Application with all have economically a very big advantage.
Description of drawings
Fig. 1 is sectional structure schematic diagram of the present utility model.
Embodiment
The below will elaborate to the utility model embodiment by above-mentioned accompanying drawing again.
as shown in Figure 1, 1. gearwheel, 2. output shaft, 3. the first planetary gear mechanism, 31. the first ring gear, 32. the first row spider gear shaft, 33. the first planetary gear set, 34. the first planet carrier, 35. the first sun wheel shaft, 4. the second planetary gear mechanism, 41. scaffold, 42. internal tooth casing, 43. the second sun wheel shaft, 44. the second planetary gear set, 45. the second planet wheel shaft, 46. the second planet carrier, 47. the second ring gear, 5. lubricant oil oil feeding reservoir, 6. bevel gear transmission mechanism, 61. angular wheel shaft, 62. umbrella gear, 7. bearing support, 8. gear housing, 9. case lid, 10. hollow pinion.
The driving gear box structure, as shown in Figure 1, it relates to a kind of power transmission structure of machinery middle gear case, the present embodiment mainly is described in detail as an example of the withdrawal straightening machine gear-box example, it is to be made of gear housing 8, case lid 9, bevel gear transmission mechanism 6 and the first planetary gear mechanism 3 etc., by case lid 9, bevel gear transmission mechanism 6 and the first planetary gear mechanism 3 sealings is arranged in gear housing 8.
Described gear housing 8 adopts cast steel material to make, it can guarantee complete machine rigidity, to satisfy the stressed larger use needs that wait special occasions, these gear housing 8 vertical installations of main employing, can be fitted with lubricant oil oil feeding reservoir 5 at its top, satisfying the lubricated needs of inner each component of gear housing, gear housing 8 inside can be provided with the water-cooled coil pipe to guarantee the thermal power requirement.
Described bevel gear transmission mechanism 6 is arranged on the top of gear housing 8, mainly to be consisted of by angular wheel shaft 61 and umbrella gear 62, this angular wheel shaft 61 is vertically mounted in gear housing 8, and make supporting by an interior set twin shaft of bearing support 7 and rotate, bearing support mainly is connected by screw in gear housing 8; Angular wheel shaft 61 is also power input shaft, its upper end is stretched out the outer connecting power device that is used for of gear housing 8 and is inputted for power, this flexible structure is changeable, it can design according to the difference of use occasion different input structures, satisfy the requirement of different speed ratios, different moment, different installing spaces, and have larger promotional value and an economic benefit, can be arranged on gear housing 8 tops such as power sources such as motors, and directly drive angular wheel shaft 61 rotations, can effectively shorten installing space this moment and reduce complete machine weight; Also can be first at gear housing 8 tops installation the second planetary gear mechanisms 4, the power sources such as motor drive angular wheel shaft 61 through the second planetary gear mechanism and rotate, and just can export more large speed ratio and moment of torsion; Angular wheel shaft 61 lower ends with umbrella gear 62 transmission that is meshed to be used as power, this umbrella gear is mainly the supporting that rotates of the ball bearing with gear housing 8 interior installations.
Described the second planetary gear mechanism 4 mainly comprises scaffold 41, internal tooth casing 42, the second sun wheel shaft 43, the second planetary gear set 44, the second planet wheel shaft 45, the second ring gear 47 and the second planet carrier 46; Be used for the power sources such as mounted motor on described scaffold 41, this scaffold is connected by screw on the second ring gear 47, and this second ring gear is connected to again on gear housing 8 by screw; On the bearing of described internal tooth casing 42 rotating supports in scaffold 41, this internal tooth casing and the second sun wheel shaft 43 are in transmission connection through spline; Described the second planetary gear set 44 is meshed with the second sun wheel shaft 43, the second ring gear 47 respectively; Described the second planet carrier 46 1 ends are connected with the second planet wheel shaft 45 through screw, and the other end and angular wheel shaft 61 upper ends are in transmission connection through spline.
Described the first planetary gear mechanism 3 is arranged on the bottom in gear housing 8, and it mainly comprises the first sun wheel shaft 35, the first planetary gear set 33, the first row spider gear shaft 32, the first ring gear 31 and the first planet carrier 34; Described the first sun wheel shaft 35 is level and is arranged in gear housing 8, and the structure that it has adopted flexible long shaft to be adapting to the installation needs of inner space, and two ends all are designed to plain shaft structure; Described the first sun wheel shaft 35 right-hand members penetrate in umbrella gear 62, and and umbrella gear between be provided with spline and be in transmission connection, this mounting structure mainly coordinates by optical axis and ball bearing carries out the spline radial location, has not only satisfied usability, has also improved effect of load balancing mechanism; Described the first sun wheel shaft 35 left ends are also done supporting by bearing and are rotated.
Described the first planetary gear set 33 is meshed with the first sun wheel shaft 35, the first ring gear 31 respectively, and this first ring gear is connected on gear housing 8 through screw; Connect fixing between described the first row spider gear shaft 32 and the first planet carrier 34 by screw, this the first planet carrier movable set is on the first sun wheel shaft 35, adjacent the first planet carrier also is provided with hollow pinion 10 simultaneously, this hollow pinion two ends are bearing in respectively on the interior set bearing of gear housing 8, this hollow pinion 10 also movable set on the first sun wheel shaft 35, and is in transmission connection through spline between the first planet carrier 34 and hollow pinion 10.
Said structure can be in limited installing space, only just can be cleverly with umbrella gear 62 transmission of power to the first planetary gear mechanisms 3 by the structure of the first sun wheel shaft 35 this flexible long shafts, and rationally solved the bearing support problem of hollow pinion 10, utilized to greatest extent the limited inner space in gear housing 8.
Described the first sun wheel shaft 35 belows are equipped with output shaft 2, and this output shaft two ends are bearing in respectively on the interior set bearing of gear housing 8, are provided with the gearwheel 1 that key connects on output shaft, and this gearwheel is meshed with hollow pinion 10; Described hollow pinion can be designed to hollow cylinder tooth axle, and corresponding gearwheel is the cylindrical gears for being meshed with hollow cylinder tooth axle, and this moment, the kinetic force of output shaft 2 was done horizontal output with shown in Figure 1; Hollow pinion 10 also can be designed to hollow worm screw, 1 worm gear for being meshed with hollow worm screw of corresponding gearwheel, and this moment, the power outbound course of output shaft rotated 90 °; If hollow pinion 10 becomes crossed helical involute gears, the output shaft direction can the rotation arbitrarily of 360 degree.Simultaneously, bevel gear transmission mechanism 6 can be in the angular range of 90 ° or non-90 ° the engagement action edge output of going forward side by side, as can be by the angle of cut of flange (not shown) and umbrella gear 62, to change the outbound course of hollow pinion 10.Therefore, said structure can satisfy multi-angle to be installed, and can 360 ° of rotations arbitrarily; Described output shaft 2 structures also can be flexible and changeable, as solid shaft, spline hollow shaft, flange shaft etc.
Described the first planetary gear mechanism 3 and the second planetary gear mechanism 4 are the above planetary gear mechanism of one-level, as be designed to the primary planet pinion driving mechanism, can reduce the volume of installing space, as be designed to the multi-stage planetary gear driving mechanism, can export larger speed ratio and moment of torsion.Simultaneously the first planet carrier 34 and the second planet carrier 46 are all adopted single arm structure, effectively saved the inner space, alleviated weight, and the bearing between planetary gear set and planet wheel shaft is matched also, reduced planetary bearing radial gap relative error at the same level, to improve effect of load balancing mechanism.
The input power process of this uni-drive gear box is with shown in Figure 1, mainly that the power sources such as motor are passed on output shaft 2 by the second planetary gear mechanism 4, bevel gear transmission mechanism 6, the first planetary gear mechanism 3 and gearwheel 1 successively, then link by output shaft and equipment axis, thereby realize low-speed big output.
The utility model is compared with traditional driving of parallel axes gear-box, in the situation that bearing capacity is identical, weight and profile all are reduced, and have that compact structure, overall ratio are large, lightweight, bearing capacity large, stable drive, transmission efficiency advantages of higher, output torque can reach 80KN.m/t, this type of speed reducer that has higher requirements for installing space is a kind of good selection, its gearbox drive form is not only applicable to metallurgical equipment, also is applicable to the multiple industries such as oil, chemical industry, sugaring, mine, transportation.
Claims (9)
1. a driving gear box structure, mainly comprise gear housing (8), case lid (9) and be arranged on gear housing interior bevel gear transmission mechanism (6) and the first planetary gear mechanism (3), described bevel gear transmission mechanism (6) mainly comprises intermeshing angular wheel shaft (61) and umbrella gear (62), and this angular wheel shaft (61) is power input shaft, described the first planetary gear mechanism (3) mainly comprises the first sun wheel shaft (35), the first planetary gear set (33), the first row spider gear shaft (32), the first ring gear (31) and the first planet carrier (34), described the first sun wheel shaft (35) below is equipped with output shaft (2), on the bearing that rotating support is installed in gear housing (8) respectively of this output shaft two ends, and be subjected to the first planetary gear mechanism (3) to drive rotation, it is characterized in that described umbrella gear (62) is in transmission connection on the first sun wheel shaft (35), on the bearing that rotating support is installed in gear housing (8) respectively of this first sun wheel shaft two ends, described the first planetary gear set (33) is meshed with the first sun wheel shaft (35), the first ring gear (31) respectively, and this first ring gear is connected on gear housing (8), outer the first planet carrier (34) and the hollow pinion (10) that also is provided with movable set of described the first sun wheel shaft (35), described the first planet carrier (34) one ends are connected with the first row spider gear shaft (32), and the other end and hollow pinion (10) are in transmission connection, described output shaft (2) is provided with the gearwheel (1) that is in transmission connection, and this gearwheel is meshed with described hollow pinion (10).
2. driving gear box structure according to claim 1, it is characterized in that described angular wheel shaft (61) is provided with second planetary gear mechanism (4) of power input, this second planetary gear mechanism mainly comprises scaffold (41), internal tooth casing (42), the second sun wheel shaft (43), the second planetary gear set (44), the second planet wheel shaft (45), the second ring gear (47) and the second planet carrier (46); Described scaffold (41) is connected on the second ring gear (47), and this second ring gear is connected on gear housing (8); On the bearing of described internal tooth casing (42) rotating support in scaffold (41), this internal tooth casing and the second sun wheel shaft (43) are in transmission connection; Described the second planetary gear set (44) is meshed with the second sun wheel shaft (43), the second ring gear (47) respectively; Described the second planet carrier (46) one ends are connected with the second planet wheel shaft (45), and the other end and angular wheel shaft (61) are in transmission connection.
3. driving gear box structure according to claim 1, is characterized in that described the first sun wheel shaft (35) is flexible long shaft.
4. driving gear box structure according to claim 1, is characterized in that described hollow pinion (10) is hollow cylinder tooth axle, and corresponding gearwheel (1) is the cylindrical gears for being meshed with hollow cylinder tooth axle.
5. driving gear box structure according to claim 1, is characterized in that described hollow pinion (10) is hollow worm screw, and corresponding gearwheel (1) is the worm gear for being meshed with hollow worm screw.
6. driving gear box structure according to claim 1, is characterized in that described output shaft (2) is solid shaft or spline hollow shaft or flange shaft.
7. driving gear box structure according to claim 1, is characterized in that described the first planetary gear mechanism (3) is the above planetary gear mechanism of one-level.
8. driving gear box structure according to claim 2, is characterized in that described the second planetary gear mechanism (4) is the above planetary gear mechanism of one-level.
9. driving gear box structure according to claim 1 is characterized in that described gear housing (8) top is equipped with lubricant oil oil feeding reservoir (5), and gear housing is provided with the water-cooled coil pipe in (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220592332 CN202926966U (en) | 2012-11-12 | 2012-11-12 | Transmission gear box structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220592332 CN202926966U (en) | 2012-11-12 | 2012-11-12 | Transmission gear box structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202926966U true CN202926966U (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220592332 Expired - Lifetime CN202926966U (en) | 2012-11-12 | 2012-11-12 | Transmission gear box structure |
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| Country | Link |
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| CN (1) | CN202926966U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927251A (en) * | 2012-11-12 | 2013-02-13 | 宁波东力机械制造有限公司 | Structure of transmission gear box |
| CN103542040A (en) * | 2013-08-23 | 2014-01-29 | 天津市祥威传动设备有限公司 | Rectangular axis planetary reducer |
-
2012
- 2012-11-12 CN CN 201220592332 patent/CN202926966U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927251A (en) * | 2012-11-12 | 2013-02-13 | 宁波东力机械制造有限公司 | Structure of transmission gear box |
| CN103542040A (en) * | 2013-08-23 | 2014-01-29 | 天津市祥威传动设备有限公司 | Rectangular axis planetary reducer |
| CN103542040B (en) * | 2013-08-23 | 2016-08-10 | 天津市祥威传动设备有限公司 | A kind of rectangular axis planetary reducer |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 315000 Yinhai Road, Jiangbei District, Zhejiang, China, No. 1, No. Patentee after: NINGBO DONLY CO.,LTD. Address before: 315033 Zhejiang city of Ningbo Province sun Lake Road Jiangbei Venture Park No. 1 Patentee before: NINGBO DONLY MACHINERY MANUFACTURING CO.,LTD. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130508 |
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| CX01 | Expiry of patent term |