CN203670730U - Hydraulic gear shifter - Google Patents
Hydraulic gear shifter Download PDFInfo
- Publication number
- CN203670730U CN203670730U CN201320759506.1U CN201320759506U CN203670730U CN 203670730 U CN203670730 U CN 203670730U CN 201320759506 U CN201320759506 U CN 201320759506U CN 203670730 U CN203670730 U CN 203670730U
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- China
- Prior art keywords
- gear
- countershaft
- double linked
- outer cover
- linked wheel
- 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.)
- Expired - Lifetime
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- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000012856 packing Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 abstract description 10
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 39
- 230000005540 biological transmission Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000010721 machine oil Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model provides a hydraulic gear shifter which comprises a main shaft component, an auxiliary shaft component and a gear shifting component. A first driving gear and a second driving gear in the main shaft component are connected with one end of a first double-connecting gear in the auxiliary shaft component and one end of a second double-connecting gear in the auxiliary shaft component respectively, the other end of the first double-connecting gear and the other end of the second double-connecting gear are connected with friction plates in the gear shifting component respectively, and a gear shifting component assembly is arranged in an auxiliary shaft in the auxiliary shaft component, and is arranged between the first double-connecting gear and the second double-connecting gear. The hydraulic gear shifter has the advantages that impacts in the gear shifting process are reduced, the gear shifting process is stable and mild, gear impacts are small, the service life of the gears is prolonged, and impact noise is reduced.
Description
Technical field
The utility model relates to selector apparatus field, especially relates to a kind of hydraulic gear-shifting device.
Background technique
Selector is the vitals of automotive power, and it realizes transmission system shift speed change by the variation of engine speed.General speed change adopts shifting fork mechanism to realize gearshift, and above-mentioned technology exists following not enough: 1, shift process has impact, shift process irregularity soft; 2, gear impacts noise; 3. gear impacts, and causes decline the working life of gear.
Model utility content
The purpose of this utility model is to provide a kind of hydraulic gear-shifting device, and shift process is steady, soft, and gear impacts little, and the gear life of prolongation reduces impact noise.
In order to achieve the above object, the utility model provides following technological scheme:
A kind of hydraulic gear-shifting device, comprises spindle part, countershaft assembly and gearshift assembly;
Described spindle part comprises main shaft, the first driving gear and the second driving gear, and described the first driving gear is connected with main shaft with the second driving gear;
Described countershaft assembly comprises countershaft, the first double linked wheel, the second double linked wheel, the first needle bearing and the second needle bearing, described the first needle bearing and the second needle bearing are arranged on countershaft, described the first double linked wheel is arranged on the first needle bearing, described the second double linked wheel is arranged on the second needle bearing, at least two oil ducts of the inner setting of described countershaft;
Described gearshift assembly comprises at least two oil cylinders, described oil cylinder comprises outer cover combination, piston ring, unidirectional valve ball, wavy spring, at least 1 friction plate, at least 1 steel disc, upper plate, Compress Spring, back-up ring, described piston ring is arranged on the bottom of described outer cover combination, and outer cover combination and piston ring form inner chamber, bottom in outer cover combination arranges oil channel hole, unidirectional valve ball is set on piston ring, the top of the outer side wall of piston ring arranges groove, wavy spring is set in groove, steel disc is arranged on wavy spring, friction plate and steel disc are arranged alternately in inner chamber, on outermost surface friction plate, upper plate is set, described back-up ring is arranged on the upper end-hole of outer cover combination, Compress Spring is arranged on lower half portion of piston ring,
Described the first driving gear and the second driving gear are connected with a joggle with the first end of described the first double linked wheel and the second double linked wheel respectively, the second end of described the first double linked wheel and the second double linked wheel is connected with described friction plate, described outer cover combination is connected with described countershaft, described oil channel hole is communicated with described oil duct, described gearshift assembly be arranged on described the first double linked wheel and the second double linked wheel between.
Further, described the first driving gear is connected with main shaft by spline with the second driving gear.
Further, described outer cover combination is passed through spline joint with described countershaft.
Further, described outer cover combination arranges an O type packing ring with the joint of described countershaft.
Further, on described countershaft, circular groove is set, a described O type packing ring is arranged in circular groove.
Further, circular groove is all set on the upper-end surface of described piston ring and lower end surface, the 2nd O type packing ring is set in circular groove, play better sealing and buffer function.
Further, described Compress Spring is arranged on spring bearer plate, and spring bearer plate is fixed in lower half portion of piston ring by collar.
Further, between described gearshift assembly and the first double linked wheel and the second double linked wheel, packing ring is set.
Hydraulic gear-shifting device of the present utility model is to complete in the following way transmission of power: the power of motor is passed to double linked wheel by the driving gear of spindle part, double linked wheel again by transmission of power to shifting gears in assembly, by controlling the fuel feeding of oil duct, make friction plate and steel disc combination, then transmission of power to outer cover is combined, finally send power to countershaft by outer cover combination, by countershaft outputting power.In this process, wavy spring plays buffer function, can prevent friction plate and steel disc in conjunction with time clash.
Compare the selector of available engine, remarkable result of the present utility model is: reduce shift process and impact, make shift process steady, soft, gear impacts little, and the gear life of prolongation reduces impact noise.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is sectional structure schematic diagram of the present utility model;
Fig. 2 is the sectional structure schematic diagram of gearshift assembly of the present utility model;
Fig. 3 is the positional structure partial schematic diagram of the upper oil channel hole of outer cover combination in gearshift assembly of the present utility model;
In figure, 10, main shaft, 11, the first driving gear, 12, the second driving gear, 20, the second double linked wheel, 21, the second needle bearing, 22, packing ring, 23, the one O type packing ring, 24, packing ring, 25, the first needle bearing, 26, countershaft, 27, the first double linked wheel, 28, the first oil duct, 29, the second oil duct, 31, outer cover combination, 32, axle split washer, 33, upper plate, 34, friction plate, 35, steel disc, 36, unidirectional valve ball, 37, spring bearer plate, 38, axle expanding ring, 39, the 2nd O type packing ring, 40, Compress Spring, 41, piston ring, 42, wavy spring, 43, the 2nd O type packing ring, 44, oil channel hole.
Embodiment
Below in conjunction with accompanying drawing of the present utility model, the technical solution of the utility model is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
According to shown in Fig. 1 to Fig. 3, a kind of hydraulic gear-shifting device of the utility model, comprises spindle part, countershaft assembly and gearshift assembly;
Described spindle part comprises main shaft, the first driving gear and the second driving gear, and described the first driving gear is connected with main shaft by spline with the second driving gear;
Described countershaft assembly comprises countershaft, the first double linked wheel, the second double linked wheel, the first needle bearing and the second needle bearing, described the first needle bearing and the second needle bearing are separately positioned on the two end part of countershaft, described the first double linked wheel is arranged on the first needle bearing, described the second double linked wheel is arranged on the second needle bearing, and described countershaft inside arranges the first oil duct and the second oil duct;
Described gearshift assembly comprises two oil cylinders, the first oil cylinder and the second oil cylinder, described oil cylinder comprises outer cover combination, piston ring, unidirectional valve ball, wavy spring, at least 1 friction plate (concrete quantity basis actual demand and determine), at least 1 steel disc (concrete quantity basis actual demand and determine), upper plate, Compress Spring, spring bearer plate, back-up ring and collar, described piston ring is arranged on the bottom of described outer cover combination, and outer cover combination and piston ring form inner chamber, on the upper-end surface of piston ring and lower end surface, circular groove is all set, the 2nd O type packing ring is set in circular groove, play better sealing and buffer function, bottom in outer cover combination arranges oil channel hole, be communicated with the first oil duct and the second oil duct with corresponding respectively, unidirectional valve ball is set on piston ring, the top of the outer webs of piston ring arranges groove, in groove, be fixedly installed wavy spring, steel disc is arranged on wavy spring, friction plate and steel disc are arranged alternately in inner chamber, outermost surface is friction plate, upper plate is set on it, described back-up ring is axle split washer, it is arranged on the upper end-hole of outer cover combination, for carrying out spacing to the movement of friction plate, Compress Spring is arranged on spring bearer plate, and spring bearer plate is fixed on by collar in lower half portion of piston ring,
Described the first driving gear and the second driving gear are connected with a joggle with the first end (end greatly) of described the first double linked wheel and the second double linked wheel respectively, the second end (small end) of described the first double linked wheel and the second double linked wheel is connected with described friction plate, described outer cover combination is passed through spline joint with described countershaft, on the countershaft of the joint of described outer cover combination and described countershaft, circular groove is set, and an O type packing ring is set in circular groove, described oil channel hole is communicated with described oil duct, described gearshift assembly whole installation is in the centre of described the first double linked wheel and the second double linked wheel, and packing ring is set between adjacent.
Hydraulic gear-shifting implement body working procedure of the present utility model is as follows: in the time that shifter assembly is worked, controlling machine oil enters in the second oil duct of countershaft, and be full of the second oil cylinder, piston ring and outer cover are combined to form inner chamber, unidirectional valve ball sealing under oil pressure, piston ring outwards moves, pushing away wavy spring, steel disc, friction plate and upper plate outwards move, last stop bit is in axle split washer place, thereby by friction plate and the second coupled wheel output torque one, while shedding moment of torsion, release oil pressure from loop and unidirectional valve ball, under the promotion of Compress Spring, steel disc separates with friction plate.Controlling machine oil enters in the first oil duct of countershaft, and being full of the first oil cylinder, piston ring and outer cover are combined to form inner chamber, unidirectional valve ball sealing under oil pressure, piston ring outwards moves, pushing away wavy spring, steel disc, friction plate and upper plate and outwards moving, last stop bit is in axle split washer place, thereby by friction plate and the first coupled wheel output torque two, while shedding moment of torsion, release oil pressure from loop and unidirectional valve ball, under the promotion of Compress Spring, steel disc separates with friction plate.
In the time there is no oil pressure, unidirectional valve ball, under centrifugal action, moves upward, and engine oil spills, can accelerate like this separating rate, and friction plate is lubricated, wavy spring in conjunction with time play buffer function, prevent that hydraulic transformer friction plate from sending out punching in the time that steel disc is combined, when joint, power is combined to axle output by the first duplicate gear and the second duplicate gear to friction plate to steel disc to outer cover, and when separation, power interrupts at friction plate and steel disc.When friction disc wear, piston ring can automatically make up gap under hydraulic pressure.
Specific works principle is as follows: 1, neutral: the first oil duct, the second oil duct oil-break, and the power that engagement is transmitted is thrown off at selector place, forms neutral; 2, one grade: the logical oil of the first oil duct, the second oil duct oil-break, the power that engagement is transmitted is thrown off on the selector left side, and power transmits output by selector the right, forms one grade; 3, second gear: the first oil duct oil-break, the logical oil of the second oil duct, the power that engagement is transmitted is thrown off on selector the right, and power transmits output by the selector left side, forms second gear, realizes shift speed change.
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should described be as the criterion with the protection domain of claim.
Claims (7)
1. a hydraulic gear-shifting device, comprises spindle part, countershaft assembly and gearshift assembly, it is characterized in that:
Described spindle part comprises main shaft, the first driving gear and the second driving gear, and described the first driving gear is connected with main shaft with the second driving gear;
Described countershaft assembly comprises countershaft, the first double linked wheel, the second double linked wheel, the first needle bearing and the second needle bearing, described the first needle bearing and the second needle bearing are arranged on countershaft, described the first double linked wheel is arranged on the first needle bearing, described the second double linked wheel is arranged on the second needle bearing, at least two oil ducts of the inner setting of described countershaft;
Described gearshift assembly comprises at least two oil cylinders, described oil cylinder comprises outer cover combination, piston ring, unidirectional valve ball, wavy spring, at least 1 friction plate, at least 1 steel disc, upper plate, Compress Spring, back-up ring, described piston ring is arranged on the bottom of described outer cover combination, and outer cover combination and piston ring form inner chamber, bottom in outer cover combination arranges oil channel hole, unidirectional valve ball is set on piston ring, the top of the outer side wall of piston ring arranges groove, wavy spring is set in groove, steel disc is arranged on wavy spring, friction plate and steel disc are arranged alternately in inner chamber, on outermost surface friction plate, upper plate is set, described back-up ring is arranged on the upper end-hole of outer cover combination, Compress Spring is arranged on lower half portion of piston ring,
Described the first driving gear and the second driving gear are connected with a joggle with the first end of described the first double linked wheel and the second double linked wheel respectively, the second end of described the first double linked wheel and the second double linked wheel is connected with described friction plate, described outer cover combination is connected with described countershaft, described oil channel hole is communicated with described oil duct, described gearshift assembly be arranged on described the first double linked wheel and the second double linked wheel between.
2. a kind of hydraulic gear-shifting device according to claim 1, is characterized in that: described the first driving gear is connected with main shaft by spline with the second driving gear.
3. a kind of hydraulic gear-shifting device according to claim 1, is characterized in that: described outer cover combination is passed through spline joint with described countershaft.
4. a kind of hydraulic gear-shifting device according to claim 3, is characterized in that: described outer cover combination arranges an O type packing ring with the joint of described countershaft.
5. a kind of hydraulic gear-shifting device according to claim 4, is characterized in that: on described countershaft, circular groove is set, a described O type packing ring is arranged in circular groove.
6. according to a kind of hydraulic gear-shifting device described in any one in claim 1 to 5, it is characterized in that: circular groove is all set on the upper-end surface of described piston ring and lower end surface, the 2nd O type packing ring is set in circular groove.
7. a kind of hydraulic gear-shifting device according to claim 6, is characterized in that: described Compress Spring is arranged on spring bearer plate, and spring bearer plate is fixed in lower half portion of piston ring by collar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320759506.1U CN203670730U (en) | 2013-11-26 | 2013-11-26 | Hydraulic gear shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320759506.1U CN203670730U (en) | 2013-11-26 | 2013-11-26 | Hydraulic gear shifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203670730U true CN203670730U (en) | 2014-06-25 |
Family
ID=50967028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320759506.1U Expired - Lifetime CN203670730U (en) | 2013-11-26 | 2013-11-26 | Hydraulic gear shifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203670730U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704567A (en) * | 2017-01-24 | 2017-05-24 | 华南理工大学 | Power-uninterrupted hydraulic gear shifting device |
| CN110725940A (en) * | 2018-07-17 | 2020-01-24 | 河南省瑞歌传动机械有限公司 | Gear box |
-
2013
- 2013-11-26 CN CN201320759506.1U patent/CN203670730U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704567A (en) * | 2017-01-24 | 2017-05-24 | 华南理工大学 | Power-uninterrupted hydraulic gear shifting device |
| CN106704567B (en) * | 2017-01-24 | 2019-05-14 | 华南理工大学 | A kind of uninterrupted hydraulic gear-shifting device of power |
| CN110725940A (en) * | 2018-07-17 | 2020-01-24 | 河南省瑞歌传动机械有限公司 | Gear box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |