CN204647178U - A kind of transmission for engineering machinery - Google Patents
A kind of transmission for engineering machinery Download PDFInfo
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- CN204647178U CN204647178U CN201520117296.5U CN201520117296U CN204647178U CN 204647178 U CN204647178 U CN 204647178U CN 201520117296 U CN201520117296 U CN 201520117296U CN 204647178 U CN204647178 U CN 204647178U
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Abstract
The utility model relates to a kind of transmission for engineering machinery, be major-minor case combined speed changer by this speed changer, traditional speed changer and side transmission case are combined, main tank is four enter two and move back structure, advance one grade equal with moving back one grade of speed ratio, advance second gear is equal with moving back second gear speed ratio, when ensure that same operating works advance and when falling back power equal, ensure construction quality further; Advance third gear and fourth gear can use when transition, increase work efficiency; The design of two reverse gear, has front odd-side commutating structure when overcoming the multiple reverse gear of general speed changer, the shortcoming of first switch operation gear shift again, only once selects gear shift action just can realize gear shift, reduce driver's working strength, make gear shift fast comfortable; Major-minor case shares output shaft and jack shaft, decreases number of spare parts, makes speed changer compact overall structure, volume little, lightweight, has saved cost.
Description
Technical field
The utility model relates to a kind of speed changer, is specifically related to a kind of transmission for engineering machinery.
Background technique
Engineering machinery with power shfit system because of mostly by import cost according to height not under, so mechanical gear shift system still occupies a part of market, but common manually shifted transmission complex structure, volume are large, and manufacture cost is higher.
Model utility content
The purpose of this utility model is to overcome the shortcoming existed in above-mentioned prior art, and provide a kind of transmission for engineering machinery, have volume little, efficiency is high, the advantage that cost is low.
For achieving the above object, the utility model by the following technical solutions: comprise main tank and be connected to main tank one end and the disconnected odd-side of cavity;
Described main tank comprises: input shaft arranged in parallel in casing, main tank jack shaft and reverse gear idle wheel;
On the same axis, the front end of main tank output shaft is bearing in the rear stomidium of input shaft for described input shaft and main tank output shaft; Input shaft is provided with bearing of input shaft and input gear; Main tank output shaft be provided be meshed with third-speed gear of intermediate shaft, secondary gear of intermediate shaft, jack shaft one grade of gear and countershaft reverse gear respectively two axle third gear are taken turns, two axle second gears are taken turns, one grade, two axle is taken turns, two axles fall one grade of gear and two axles fall intermediate gear, to cog by needle bearing kink on main tank output shaft;
On described main tank jack shaft, secure fit has jack shaft driving gear, third-speed gear of intermediate shaft, secondary gear of intermediate shaft, jack shaft one grade of gear and countershaft reverse gear successively;
Described odd-side comprises: odd-side first gear arranged in parallel from top to bottom, odd-side second gear, odd-side the 3rd gear, output gear and output shaft; The two ends of output shaft are respectively arranged with output flange and connect brake disc and connect dish;
Described odd-side first gear is connected by spline with main tank output shaft; Odd-side second gear passes through needle bearing kink on main tank jack shaft.
Between input gear in described main tank and two axle third gear are taken turns, two axle second gears are taken turns between one grade, two axles wheel, two axles fall one grade of gear and two axles fall between intermediate gear to be equipped with lock ring type synchronizer.
Described reverse gear idle wheel is duplicate gear, and falls one grade of gear and two axles respectively with two axles and fall intermediate gear and be meshed.
Described main tank is triple axle dead axle speed changer, and odd-side is that four-axle type deceleration is fallen apart from case.
Described odd-side second gear and the fit system of main tank jack shaft are: odd-side second gear passes through needle bearing kink on main tank jack shaft.
The utility model has following beneficial effect: prior art of comparing, and the utility model comprises main tank and is connected to main tank one end and the disconnected odd-side of cavity; Main tank comprises: input shaft arranged in parallel in casing, main tank jack shaft and reverse gear idle wheel; Odd-side comprises: odd-side first gear, odd-side second gear, odd-side the 3rd gear, output gear and output shaft; The two ends of output shaft are respectively arranged with output flange and connect brake disc and connect dish; Be major-minor case combined speed changer by this speed changer, traditional speed changer and side transmission case are combined, main tank is four enter two and move back structure, advance one grade equal with moving back one grade of speed ratio, advance second gear is equal with moving back second gear speed ratio, when ensure that same operating works advance and when falling back power equal, ensure construction quality further; Advance third gear and advance fourth gear can use when transition, increase work efficiency; The design of two reverse gear, before needing when overcoming the multiple reverse gear of general speed changer, odd-side wants the shortcoming of first switch operation gear shift again, only once selects gear shift action just can realize gear shift, reduces driver's working strength, make gear shift fast comfortable; Major-minor case shares output shaft and jack shaft, decreases number of spare parts, makes speed changer compact overall structure, volume little, lightweight, has saved cost; And due to not connected between major-minor case cavity, form separate lubricant reservoir, while guarantee gear lubrication, save lubricants capacity, reduce costs.This device is applicable to spread and use.
Accompanying drawing explanation
Fig. 1 is this apparatus structure schematic diagram;
Fig. 2 is main tank structural representation;
Fig. 3 is odd-side structural representation.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
See Fig. 1-3, the utility model comprises main tank and is connected to main tank one end and the disconnected odd-side of cavity; Main tank comprises: input shaft 1 arranged in parallel in casing, main tank jack shaft 2 and reverse gear idle wheel 40; On the same axis, the front end of main tank output shaft 3 is bearing in the rear stomidium of input shaft 1 for input shaft 1 and main tank output shaft 3; Input shaft 1 is provided with bearing of input shaft 11 and input gear 12; Main tank output shaft 3 is provided with the two axle third gear be meshed with third-speed gear of intermediate shaft 23, secondary gear of intermediate shaft 22, jack shaft one grade of gear 21 and countershaft reverse gear 20 respectively and takes turns 33, two axle second gears and take turns one grade, 32, two axle and take turns 31, two axles and fall one grade of gear 3R1 and the two axle 3R2 of falling intermediate gear, to cog by needle bearing kink on main tank output shaft 3; On main tank jack shaft 2, secure fit has jack shaft driving gear 24, third-speed gear of intermediate shaft 23, secondary gear of intermediate shaft 22, jack shaft one grade of gear 21 and countershaft reverse gear 20 successively; Odd-side comprises: odd-side first gear 71 arranged in parallel from top to bottom, odd-side second gear 72, odd-side the 3rd gear 73, output gear 74 and output shaft 5; The two ends of output shaft 5 are respectively arranged with output flange 51 and connect brake disc and connect dish 52; Odd-side first gear 71 is connected by spline with main tank output shaft 3; Odd-side second gear 72 passes through needle bearing kink on main tank jack shaft 2.Input gear 12 in main tank and between two axle third gear wheel 33, between two axle second gears wheels 32 and one grade, two axle wheel 31, two axles fall between one grade of gear 3R1 and the two axle 3R2 of falling intermediate gear and be provided with three cover lock ring type synchronizers.Reverse gear idle wheel 40 is duplicate gear, and falls one grade of gear 3R1 and the two axle 3R2 of falling intermediate gear respectively with two axles and be meshed.Main tank is triple axle dead axle speed changer, and odd-side is that four-axle type deceleration is fallen apart from case.Odd-side second gear 72 with the fit system of main tank jack shaft 2 is: odd-side second gear 72 passes through needle bearing kink on main tank jack shaft 2.
Working procedure: the power of motor passes to main tank jack shaft driving gear 24 by the input gear 12 on input shaft 1, on main tank jack shaft, the while of each shifting gear, on driver output axle, respective notch gear rotates, because shifting gear empty set each on output shaft is on output shaft, when synchronizer is in neutral position, output shaft does not turn, after any one synchronizer on output shaft is combined with an adjacent shifting gear, power by the gear transmission on output shaft to synchromesh gear hub, output shaft rotation transferring power: when 1/2 grade of synchronizer and output shaft two axle one grade of gear 31 in conjunction with time, power is passed to two axles, one grade of gear 31 by jack shaft one grade of gear 21, two one grade, axle gears 31 are combined transmission of power to odd-side first gear 71 on output shaft 3 with 1/2 grade of synchronizer, by odd-side second gear 72, odd-side the 3rd gear 73, export to flange plate after the further reduction of speed of output gear 74 and pass to transmission shaft, speed changer exports one grade, when reversing-gear synchronizer and two axles fall one grade of gear 3R1 in conjunction with time, countershaft reverse gear 20 engages with the front toothrow of reverse gear idle wheel 40, rear toothrow and two axles of reverse gear idle wheel 40 fall one grade of gear 3R1 and engage, main tank output shaft reversing-gear synchronizer and two axles fall one grade of wheel be connected as a single entity after by transmission of power to odd-side first gear 71, by exporting to flange plate after odd-side second gear 72, odd-side the 3rd gear 73, output gear 74 further reduction of speed and passing to transmission shaft, complete down one grade.
Be major-minor case combined speed changer by this speed changer, traditional speed changer and side transmission case are combined, main tank is four enter two and move back structure, advance one grade equal with moving back one grade of speed ratio, advance second gear is equal with moving back second gear speed ratio, when ensure that same operating works advance and when falling back power equal, ensure construction quality further; Advance third gear and advance fourth gear can use when transition, increase work efficiency; The design of two reverse gear, before needing when overcoming the multiple reverse gear of general speed changer, odd-side wants the shortcoming of first switch operation gear shift again, only once selects gear shift action just can realize gear shift, reduces driver's working strength, make gear shift fast comfortable; Major-minor case shares output shaft and jack shaft, decreases number of spare parts, makes speed changer compact overall structure, volume little, lightweight, has saved cost; And due to not connected between major-minor case cavity, form separate lubricant reservoir, while guarantee gear lubrication, save lubricants capacity, reduce costs.
Claims (5)
1. a transmission for engineering machinery, is characterized in that: comprise main tank and be connected to main tank one end and the disconnected odd-side of cavity;
Described main tank comprises: input shaft (1) arranged in parallel in casing, main tank jack shaft (2) and reverse gear idle wheel (40);
On the same axis, the front end of main tank output shaft (3) is bearing in the rear stomidium of input shaft (1) for described input shaft (1) and main tank output shaft (3); Input shaft (1) is provided with bearing of input shaft (11) and input gear (12); Main tank output shaft (3) be provided be meshed with third-speed gear of intermediate shaft (23), secondary gear of intermediate shaft (22), jack shaft one grade of gear (21) and countershaft reverse gear (20) respectively two axle third gear take turns (33), two axle second gears take turns (32), one grade, two axle takes turns (31), two axles fall one grade of gear (3R1) and two axles fall intermediate gear (3R2), to cog by needle bearing kink on main tank output shaft (3);
On described main tank jack shaft (2), secure fit has jack shaft driving gear (24), third-speed gear of intermediate shaft (23), secondary gear of intermediate shaft (22), jack shaft one grade of gear (21) and countershaft reverse gear (20) successively;
Described odd-side comprises: odd-side first gear (71) arranged in parallel from top to bottom, odd-side second gear (72), odd-side the 3rd gear (73), output gear (74 and output shaft (5); The two ends of output shaft (5) are respectively arranged with output flange (51) and connect brake disc and connect dish (52);
Described odd-side first gear (71) is connected by spline with main tank output shaft (3); Odd-side second gear (72) by needle bearing kink on main tank jack shaft (2).
2. a kind of transmission for engineering machinery according to claim 1, is characterized in that: the input gear (12) in described main tank and two axle third gear are taken turns between (33), between two axle second gears wheel (32) and one grade, two axles wheel (31), two axles fall one grade of gear (3R1) and two axles fall between intermediate gear (3R2) to be equipped with lock ring type synchronizer.
3. a kind of transmission for engineering machinery according to claim 1, it is characterized in that: described reverse gear idle wheel (40) is duplicate gear, and fall one grade of gear (3R1) and two axles respectively with two axles and fall intermediate gear (3R2) and be meshed.
4. a kind of transmission for engineering machinery according to claim 1, is characterized in that: described main tank is triple axle dead axle speed changer, and odd-side is that four-axle type deceleration is fallen apart from case.
5. a kind of transmission for engineering machinery according to claim 1, is characterized in that: the fit system of described odd-side second gear (72) and main tank jack shaft (2) is: odd-side second gear (72) by needle bearing kink on main tank jack shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520117296.5U CN204647178U (en) | 2015-02-26 | 2015-02-26 | A kind of transmission for engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520117296.5U CN204647178U (en) | 2015-02-26 | 2015-02-26 | A kind of transmission for engineering machinery |
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| Publication Number | Publication Date |
|---|---|
| CN204647178U true CN204647178U (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520117296.5U Active CN204647178U (en) | 2015-02-26 | 2015-02-26 | A kind of transmission for engineering machinery |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605164A (en) * | 2016-02-03 | 2016-05-25 | 安徽好运机械有限公司 | Mechanical gearbox for forklift |
| CN108286590A (en) * | 2018-03-29 | 2018-07-17 | 徐州徐工矿山机械有限公司 | The eight grades of dead axle gears and its gearbox and implementation method of articulated truck |
| CN109017814A (en) * | 2018-08-09 | 2018-12-18 | 北京智行者科技有限公司 | Vehicle-mounted man-machine interactive system |
| CN114382851A (en) * | 2021-12-06 | 2022-04-22 | 陕西法士特齿轮有限责任公司 | Multi-gear power assembly structure for electric vehicle and gear shifting method |
-
2015
- 2015-02-26 CN CN201520117296.5U patent/CN204647178U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605164A (en) * | 2016-02-03 | 2016-05-25 | 安徽好运机械有限公司 | Mechanical gearbox for forklift |
| CN105605164B (en) * | 2016-02-03 | 2020-03-31 | 安徽天乐传动技术发展有限公司 | Mechanical gearbox of forklift |
| CN108286590A (en) * | 2018-03-29 | 2018-07-17 | 徐州徐工矿山机械有限公司 | The eight grades of dead axle gears and its gearbox and implementation method of articulated truck |
| CN108286590B (en) * | 2018-03-29 | 2023-07-18 | 徐州徐工矿业机械有限公司 | Eight-gear fixed-shaft speed change mechanism of hinged dumper, gearbox thereof and implementation method |
| CN109017814A (en) * | 2018-08-09 | 2018-12-18 | 北京智行者科技有限公司 | Vehicle-mounted man-machine interactive system |
| CN114382851A (en) * | 2021-12-06 | 2022-04-22 | 陕西法士特齿轮有限责任公司 | Multi-gear power assembly structure for electric vehicle and gear shifting method |
| CN114382851B (en) * | 2021-12-06 | 2024-05-14 | 陕西法士特齿轮有限责任公司 | Multi-gear power assembly structure for electric vehicle and gear shifting method |
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