CN103807369A - Auxiliary gear shift mechanism - Google Patents
Auxiliary gear shift mechanism Download PDFInfo
- Publication number
- CN103807369A CN103807369A CN201210512528.8A CN201210512528A CN103807369A CN 103807369 A CN103807369 A CN 103807369A CN 201210512528 A CN201210512528 A CN 201210512528A CN 103807369 A CN103807369 A CN 103807369A
- Authority
- CN
- China
- Prior art keywords
- gear
- axis hole
- pawl
- grade
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
- F16H3/22—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially
- F16H3/30—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B71/00—Construction or arrangement of setting or adjusting mechanisms, of implement or tool drive or of power take-off; Means for protecting parts against dust, or the like; Adapting machine elements to or for agricultural purposes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0018—Shaft assemblies for gearings
- F16H57/0025—Shaft assemblies for gearings with gearing elements rigidly connected to a shaft, e.g. securing gears or pulleys by specially adapted splines, keys or methods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
- F16H2057/02052—Axle units; Transfer casings for four wheel drive
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
- F16H2057/02056—Gearboxes for particular applications for vehicle transmissions for utility vehicles, e.g. tractors or agricultural machines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02086—Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02091—Measures for reducing weight of gearbox
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
- General Details Of Gearings (AREA)
- Gear Transmission (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention belongs to agricultural machinery and particularly relates to an auxiliary gear shift mechanism of tillage machines and mini-tillers. The mechanism comprises a gearbox body, a second-gear gear, a claw type shaft hole high-gear gear, a claw type shaft hole low-gear gear, a first-gear gear, a bearing, an internal and external spline shaft, a cross-shaped external spline gear shift shaft, a spline hole low-gear gear, a spline hole high-gear gear, a left output gear, a right output gear, an external spline hollow shaft and a bearing. The mechanism is characterized in that the first-gear gear, the second-gear gear, the claw type shaft hole high-gear gear, the claw type shaft hole low-gear gear and the bearing are installed on the internal and external spline shaft; the bearing is installed in the gearbox body; and the cross-shaped external spline gear shift shaft is mounted in the internal and external spline shaft. Sizes of gearboxes of the tillage machines and the mini-tillers provided with the auxiliary gear shift mechanisms are reduced, so that the whole weight and the manufacturing cost are reduced; and multi-functionalization and miniaturization of the tillage machines and the mini-tillers provided with the auxiliary gear shift mechanisms are realized.
Description
Technical field:
The invention belongs to farm machinery, the secondary gear of especially a kind of tillage machine and microtilling machine.
Background technique:
The secondary gear of existing tillage machine and microtilling machine is all that one of them gear slides axially and realizes secondary speed change with another meshed transmission gear, this mechanism causes that gearbox volume increases, complete machine gains in weight, complete machine increases cost, cannot realize that tillage machine with secondary gear and microtilling machine miniaturization comprehensively ploughing simultaneously, rake are cultivated, the farming function of rotary tillage is on a kind of body.
Summary of the invention:
Object of the present invention, is to provide the engagement type tillage machine of a kind of gear and axle and the secondary gear of microtilling machine, realizes the tillage machine with secondary gear and gearbox of micro plowing machine is long-pending reduces, alleviates complete machine weight and reduce manufacture cost; The miniaturization of the tillage machine of realization with secondary gear and microtilling machine realizes that ploughing, rake are ploughed simultaneously, the farming function set of rotary tillage is on a kind of body.
Technical solution of the present invention is such: a kind of secondary gear, comprises the high-grade gear of gear box, intermediate gear, pawl formula axis hole, the low-grade gear of pawl formula axis hole, one grade of gear, bearing, interior male splined shaft, cross external splines shifting shaft, the low-grade gear of splined hole, the high-grade gear of splined hole, left output gear, right output gear, external splines hollow shaft, bearing.It is characterized in that, one grade of gear, intermediate gear, the high-grade gear of pawl formula axis hole, the low-grade gear of pawl formula axis hole, bearing are installed on described interior male splined shaft, and bearing is arranged on gear box, and interior male splined shaft the inside packs cross external splines shifting shaft into; The low-grade gear of splined hole, the high-grade gear of splined hole, left output gear, right output gear, bearing are installed on described external splines hollow shaft, and bearing is arranged on gear box.
The outer surface of described interior male splined shaft has criss-cross spline, shaft hollow, internal surface has cross spline, one grade of gear, intermediate gear is arranged on the both sides of interior male splined shaft, bearing is arranged on the spindle nose of interior male splined shaft, the high-grade gear of pawl formula axis hole and the low-grade gear of pawl formula axis hole are arranged in the middle of interior male splined shaft and the high-grade gear of pawl formula axis hole, the pawl groove of male splined shaft in the pawl of the low-grade gear of pawl formula axis hole embeds, cross external splines shifting shaft packs interior male splined shaft the inside into, cross external splines shifting shaft moves axially to realize by external force control and switches top gear and bottom gear.
The low-grade gear of splined hole and the high-grade gear of splined hole are installed in the middle of described external splines hollow shaft, the low-grade gear of the low-grade gear engaged claw of splined hole formula axis hole, the high-grade gear of the high-grade gear engaged claw of splined hole formula axis hole, left output gear and right output gear are arranged on external splines hollow shaft both sides, bearing is arranged on the spindle nose of external splines hollow shaft, and bearing is arranged on gear box.
The present invention compared with prior art, have that transmission assembly compact structure, gearbox volume are little, gearbox weight saving, gearbox manufacture cost reduces, can realize tillage machine with secondary gear and microtilling machine miniaturization realize a kind of body simultaneously can ploughing, harrow cultivated again can rotary tillage.
Accompanying drawing explanation:
Fig. 1 is that overall structure master of the present invention looks sectional view.
Fig. 2 is the interior male splined shaft overall structure plan view of sequence number 7 indications in Fig. 1 of the present invention.
Fig. 3 is A-A sectional view in Fig. 2 of the present invention.
Fig. 4 is B-B sectional view in Fig. 2 of the present invention.
Fig. 5 is C-C sectional view in Fig. 3 of the present invention.
Fig. 6 is the cross external splines shifting shaft overall structure plan view of sequence number 8 indications in Fig. 1 of the present invention.
Fig. 7 is D-D sectional view in Fig. 6 of the present invention.
Fig. 8 is the high-grade whole gear structural front view of the pawl formula axis hole of sequence number 3 indications in Fig. 1 of the present invention.
Fig. 9 is E-E sectional view in Fig. 8 of the present invention.
Figure 10 is the low-grade whole gear structural front view of the pawl formula axis hole of sequence number 4 indications in Fig. 1 of the present invention.
Figure 11 is F-F sectional view in Figure 10 of the present invention.
In Fig. 1～Figure 11, gear box (1), intermediate gear (2), the high-grade gear of pawl formula axis hole (3), the low-grade gear of pawl formula axis hole (4), one grade of gear (5), bearing (6), interior male splined shaft (7), cross external splines shifting shaft (8), the low-grade gear of splined hole (9), left output gear (10), external splines hollow shaft (11), bearing (12), bearing (13), right output gear (14), the high-grade gear of splined hole (15), bearing (16), keyway (17), pawl groove (18), keyway (19), spline (20), spline (21), gear axis hole pawl (22), gear axis hole (23), gear axis hole pawl (24), gear axis hole (25).
Embodiment:
Most preferred embodiment of the present invention is such, shown in Figure 11, a kind of secondary gear, comprise gear box, gear, axle, bearing, wherein, intermediate gear 2, one grade of gear 5, the high-grade gear 3 of pawl formula axis hole, the low-grade gear 4 of pawl formula axis hole, bearing 6, bearing 16 are installed on described interior male splined shaft 7, and bearing 6, bearing 16 are arranged on gear box 1, and interior male splined shaft 7 the insides pack cross external splines shifting shaft 8 into; The low-grade gear 9 of splined hole, the high-grade gear 15 of splined hole, left output gear 10, right output gear 14, bearing 12, bearing 13 are installed on described external splines hollow shaft 11, and bearing 12, bearing 13 are arranged on gear box 1.
The outer surface of described interior male splined shaft 7 has spline 20, shaft hollow, internal surface has keyway 19, intermediate gear 2, one grade of gear 5 is arranged on the both sides of interior male splined shaft 7, bearing 6, bearing 16 is arranged on the spindle nose of interior male splined shaft 7, the low-grade gear 4 of the high-grade gear 3 of pawl formula axis hole and pawl formula axis hole is arranged in the middle of interior male splined shaft 7 and the gear axis hole pawl 24 of the gear axis hole pawl 22 of the high-grade gear 3 of pawl formula axis hole and the low-grade gear 4 of pawl formula axis hole embed in the pawl groove 18 of male splined shaft 7, cross external splines shifting shaft 8 packs interior male splined shaft 7 the insides into, cross external splines shifting shaft 8 moves axially to realize by external force control and switches top gear and bottom gear.
The low-grade gear 9 of splined hole and the high-grade gear 15 of splined hole are installed in the middle of described external splines hollow shaft 11, the low-grade gear 4 of the low-grade gear 9 engaged claw formula axis holes of splined hole, the high-grade gear 3 of the high-grade gear 15 engaged claw formula axis holes of splined hole, left output gear 10 and right output gear 14 are arranged on external splines hollow shaft 11 both sides, bearing 12 and bearing 13 are arranged on the spindle nose of external splines hollow shaft 11, and bearing 12 and bearing 13 are arranged on gear box 1.
Working principle: the secondary gear of described one, in power drives from one grade of gear 5 or from intermediate gear 2 inputs, male splined shaft 7 rotates, move axially to the position of the gear axis hole pawl 24 of the low-grade gear 4 of pawl formula axis hole by the spline 21 of external force control cross external splines shifting shaft 8, the gear axis hole pawl 24 that the spline 21 of cross external splines shifting shaft 8 blocks the low-grade gear 4 of pawl formula axis hole causes the low-grade gear 4 of pawl formula axis hole and interior male splined shaft 7 synchronously to rotate, the low-grade gear 4 of pawl formula axis hole drives external splines hollow shaft 11 to rotate by the low-grade gear 9 of splined hole engaging with it, external splines hollow shaft 11 is by dallying with the high-grade gear 3 of the high-grade gear 15 driving claw formula axis holes of splined hole of its splined, external splines hollow shaft 11 drives left output gear 10 and the right output gear 14 with its splined, power is exported from left output gear 10 and right output gear 14, realize the effect of two grades of low-grade outputs of input.In power drives from one grade of gear 5 or from intermediate gear 2 inputs, male splined shaft 7 rotates, move axially to the position of the gear axis hole pawl 22 of the high-grade gear 2 of pawl formula axis hole by the spline 21 of external force control cross external splines shifting shaft 8, the gear axis hole pawl 22 that the spline 21 of cross external splines shifting shaft 8 blocks the high-grade gear 2 of pawl formula axis hole causes the high-grade gear 2 of pawl formula axis hole and interior male splined shaft 7 synchronously to rotate, the high-grade gear 2 of pawl formula axis hole drives external splines hollow shaft 11 to rotate by the high-grade gear 15 of splined hole engaging with it, external splines hollow shaft 11 is by dallying with the low-grade gear 4 of the low-grade gear 9 driving claw formula axis holes of splined hole of its splined, external splines hollow shaft 11 drives with it by left output gear 10 and the right output gear 14 of splined, power is exported from left output gear 10 and right output gear 14, realize the effect of two grades of high-grade outputs of input.
Claims (5)
1. a secondary gear, comprise gear box, gear, axle, bearing, it is characterized in that, upper intermediate gear (2), one grade of gear (5), the high-grade gear of pawl formula axis hole (3), pawl formula axis hole low-grade gear (4), bearing (6), the bearing (16) installed of described interior external splines hollow shaft (7), it is upper that bearing (6), bearing (16) are arranged on gear box (1), and interior male splined shaft (7) the inside packs cross external splines shifting shaft (8) into.
2. the secondary gear of one as claimed in claim 1, it is characterized in that, described interior male splined shaft (7) outer surface is opened longitudinal keyway (17) and horizontal pawl groove (18), and internal surface is driven longitudinal keyway (19) and passed through the space of the horizontal pawl groove (18) of outer surface; Interior male splined shaft (7) outer surface can be opened longitudinal 2～10 keyways (17) and 1～6 horizontal pawl groove (18), and internal surface can be driven 2～10 keyways (19).
3. the secondary gear of one as claimed in claim 1, it is characterized in that, cross external splines shifting shaft (8) is put into the inside of interior male splined shaft (7), moves axially cross external splines shifting shaft (8) realize the high and low gear of switching by external force; Cross external splines shifting shaft (8) outer surface can be driven 2～10 splines (21).
4. the secondary gear of one as claimed in claim 1, it is characterized in that, the low-grade gear of the high-grade gear of pawl formula axis hole (3) and pawl formula axis hole (4) is band gear axis hole pawl (22) and gear axis hole pawl (24), gear axis hole (23) and gear axis hole (25) and interior male splined shaft (7) Spielpassung, when gear axis hole pawl (22) and gear axis hole pawl (24) are worked with pawl groove (18) Spielpassung and secondary gear, gear axis hole pawl (22) and gear axis hole pawl (24) rotate around interior male splined shaft (7).
5. the secondary gear of one as claimed in claim 1, it is characterized in that, the low-grade gear of the high-grade gear of pawl formula axis hole (3) and pawl formula axis hole (4) can be arranged on the both sides of interior male splined shaft (7), and intermediate gear (2) and one grade of gear (5) can be arranged on the neutral position of interior male splined shaft (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210512528.8A CN103807369B (en) | 2012-11-09 | 2012-11-09 | A kind of secondary gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210512528.8A CN103807369B (en) | 2012-11-09 | 2012-11-09 | A kind of secondary gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103807369A true CN103807369A (en) | 2014-05-21 |
| CN103807369B CN103807369B (en) | 2016-08-24 |
Family
ID=50704584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210512528.8A Active CN103807369B (en) | 2012-11-09 | 2012-11-09 | A kind of secondary gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103807369B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041990A (en) * | 2015-07-13 | 2015-11-11 | 张家港市九鼎机械有限公司 | Transmission and vehicle thereof |
| CN106763539A (en) * | 2017-02-15 | 2017-05-31 | 苏州萨伯工业设计有限公司 | Six gear variable speed drive approach |
| CN109114176A (en) * | 2018-10-29 | 2019-01-01 | 长兴佰菲特机械有限公司 | A kind of vehicle motor transmission gearbox |
| CN111039211A (en) * | 2020-01-06 | 2020-04-21 | 江苏泰隆减速机股份有限公司 | Winch speed reducer of coal mine hoisting equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2645957A1 (en) * | 1976-10-12 | 1978-04-13 | Fendt & Co Xaver | Wide range gearbox for agricultural tractor - has set ratios using different combinations of same gears to give compact layout |
| EP0513674A1 (en) * | 1991-05-14 | 1992-11-19 | Deere & Company | Hydrostatic-mechanical power-split transmission |
| CN2888820Y (en) * | 2006-01-05 | 2007-04-18 | 广西钦州力顺机械有限公司 | Tiller provided with auxiliary transmission |
| CN202208248U (en) * | 2011-08-08 | 2012-05-02 | 刘光其 | Speed changer for automobile |
-
2012
- 2012-11-09 CN CN201210512528.8A patent/CN103807369B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2645957A1 (en) * | 1976-10-12 | 1978-04-13 | Fendt & Co Xaver | Wide range gearbox for agricultural tractor - has set ratios using different combinations of same gears to give compact layout |
| EP0513674A1 (en) * | 1991-05-14 | 1992-11-19 | Deere & Company | Hydrostatic-mechanical power-split transmission |
| CN2888820Y (en) * | 2006-01-05 | 2007-04-18 | 广西钦州力顺机械有限公司 | Tiller provided with auxiliary transmission |
| CN202208248U (en) * | 2011-08-08 | 2012-05-02 | 刘光其 | Speed changer for automobile |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041990A (en) * | 2015-07-13 | 2015-11-11 | 张家港市九鼎机械有限公司 | Transmission and vehicle thereof |
| CN106763539A (en) * | 2017-02-15 | 2017-05-31 | 苏州萨伯工业设计有限公司 | Six gear variable speed drive approach |
| CN106763539B (en) * | 2017-02-15 | 2019-01-25 | 苏州萨伯工业设计有限公司 | Six gear variable speed drive approach |
| CN109114176A (en) * | 2018-10-29 | 2019-01-01 | 长兴佰菲特机械有限公司 | A kind of vehicle motor transmission gearbox |
| CN111039211A (en) * | 2020-01-06 | 2020-04-21 | 江苏泰隆减速机股份有限公司 | Winch speed reducer of coal mine hoisting equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103807369B (en) | 2016-08-24 |
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