CN204755659U - Freewheel clutch reaches double -turbine hydraulic torque converter and machine including it - Google Patents
Freewheel clutch reaches double -turbine hydraulic torque converter and machine including it Download PDFInfo
- Publication number
- CN204755659U CN204755659U CN201520523901.9U CN201520523901U CN204755659U CN 204755659 U CN204755659 U CN 204755659U CN 201520523901 U CN201520523901 U CN 201520523901U CN 204755659 U CN204755659 U CN 204755659U
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- Prior art keywords
- ratchet
- component
- free wheel
- wheel device
- inductor coil
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/12—Freewheels or freewheel clutches with hinged pawl co-operating with teeth, cogs, or the like
-
- 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
- F16H41/00—Rotary fluid gearing of the hydrokinetic type
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Retarders (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The utility model relates to a freewheel clutch reaches double -turbine hydraulic torque converter and machine including it. This freewheel clutch (1) including rotatable first and second parts (10, 20), first part (10) are including periphery (12) that are provided with ratchet (11), second part (20) are including pawl (21), pawl court the periphery is makeed by the bias voltage the pawl basis the direction of rotation of first and second parts and speed and optionally with ratchet butt or slide and cross the ratchet, thus make freewheel clutch (1) is in joint mode or separation module formula. Freewheel clutch is still including preventing contact device, prevent that contact device constructs it is right under the separation module formula pawl (21) are applyed and are overcome the power of bias voltage so that the pawl not with first part (10) periphery (12) and ratchet (11) contact.
Description
Technical field
The utility model relates to a kind of free wheel device, more specifically for can be used on the ratchet wheel pawl type free wheel device in the twin-turbine torque converter of machine (especially Work machine).
Background technique
Machine (such as Work machine, as loader) be equipped with power system (as engine system) to provide power for machine, the power that power system produces is delivered to the traveling gear (as wheel or crawler belt) of machine etc. with the traveling of control machine or other action by transmission device.Existing machine usually adopts the hydromechanical transmission comprising fluid torque converter and speed changer, wherein, twin-turbine torque converter can increase machine gear, improves complete machine handling and operating efficiency because of it, reduction operation intensity and complete machine oil consumption, improve torque ratio within the scope of close steps and advantages such as broadening efficient district scope and being widely used.The motivational drive that twin-turbine torque converter is inputted by the power system from machine, and its output shaft exports the rotating power that can automatically switch between high and low two kinds of speed according to the change of outer load to speed changer via free wheel device.
Known a kind of ratchet wheel pawl type free wheel device, it typically has two rotatable parts of inside and outside nested setting, and one of them parts is the ratchet being provided with ratchet, and another parts are provided with ratchet.When the rotating speed of exterior part is greater than the rotating speed of inner piece, inside and outside parts are by click structural engagement common outputting power together.When the rotating speed of exterior part is less than or equal to the rotating speed of inner piece, exterior part does not have Power output, but ratchet and pawl can produce relative movement, so wearing and tearing can be produced because of the Relative sliding between them in the place that ratchet contacts with ratchet, and the place that can change suddenly at surface of contact (that is, ratchet inside and outside part bonding together time and the face that abuts against of ratchet) produce contact noise.
The utility model is intended to solve the above-mentioned or other problem existed in prior art.
Model utility content
On the one hand, the utility model provides a kind of free wheel device, comprise rotatable first and second parts, described first component comprises the periphery being provided with ratchet, described second component comprises ratchet, described ratchet is biased towards described periphery, makes described ratchet optionally abut or slip across described ratchet with described ratchet according to the sense of rotation of described first and second parts and speed, thus makes described free wheel device be in engaged mode or split pattern.Described free wheel device also comprises anti-contact device, and described anti-contact device is configured to not contact with ratchet with the described periphery of described first component to make described ratchet the power that described ratchet applying overcomes described bias voltage under described split pattern.
On the other hand, the utility model provides a kind of twin-turbine torque converter comprising above-mentioned free wheel device.
Another aspect, the utility model provides a kind of machine comprising above-mentioned twin-turbine torque converter.
Accompanying drawing explanation
Fig. 1 is the stereogram of a kind of example machine applied according to free wheel device of the present utility model.
Fig. 2 is the front view be according to the free wheel device of the utility model one embodiment under engaged mode.
Fig. 3 is the front view under the free wheel device shown in Fig. 2 is in split pattern.
Fig. 4 is the side view cutaway drawing of the free wheel device shown in Fig. 2.
Embodiment
Fig. 1 shows a kind of exemplary machine 100.Machine 100 can be such as Work machine, as illustrated in the drawing loader.Machine 100 also can be perform the operation relevant with specific industry (such as dig up mine, build, agricultural, transport etc.) and at the machine of middle other type any worked of various operating environment (such as mining site, building site, farm and road etc.), such as crawler excavator, wheel grader etc.
Machine 100 can comprise mainframe 30, operator's holding space as operator cabin 35 and working implement 36.In one embodiment, working implement 36 can be the scraper bowl being applied to loader.Machine 100 can comprise at least one and operate with working implement 36 and be connected and be used for controlling the oil cylinder 37 of working implement 36 action.There is traveling gear 40 in the lower disposed of machine 100, be used for supporting and mobile apparatus 100.In one embodiment, traveling gear 40 comprises wheel 41.
The transmission of power that power system by machine exports by transmission device by the machine 100 shown in Fig. 1 gives such as traveling gear 40.This transmission device can comprise twin-turbine torque converter and speed changer, and twin-turbine torque converter can comprise according to free wheel device of the present utility model, exports can convert between high, low speed to make it.
Fig. 2-4 illustrates an embodiment according to free wheel device 1 of the present utility model.This free wheel device is ratchet wheel pawl type, and it comprises rotatable first and second parts, and first component comprises the periphery (therefore first component also can be described as " ratchet ") being provided with ratchet, and second component comprises ratchet.According to a kind of illustrative configuration, second component can nestedly be arranged in first component, and ratchet is arranged on the outer periphery of second component, and ratchet is arranged on the inner circumference edge of first component.Such as, in the embodiment shown in Fig. 2-4, second component can be the annular element 20 be fixed together by fastening piece 5 and internal gear 4, and first component (ratchet) is external gear 10.External gear 10 has center hole, and is rotatably sleeved on such as with on internal gear 4 all-in-one-piece inner gear shaft 3 by bearing.As shown in Figure 4, annular element 20 and external gear 10 are with one heart and to be rotatably nestedly arranged in the circular groove that external gear 10 is offered.Should point out, also second component can be set at the external gear of inner circumferential with ratchet, and first component be set in outer periphery, be provided with ratchet and the nested annular element be arranged in second component.
Annularly the outer periphery of parts 20 are equally spaced provided with four ratchets 21, and are equally spaced provided with four corresponding ratchets 11 along the inner circumference edge 12 (being also the outer periphery of the above-mentioned circular groove offered on external gear 10) of external gear 10 simultaneously.Certainly, ratchet and ratchet quantity and configuration be set be not limited to equally spaced four, the work as long as ratchet and ratchet can cooperatively interact.
Ratchet 21 is installed in rotation on annular element 20 by pivot 22, and such as under the effect of elastic force or magnetic attraction etc. towards the periphery being provided with ratchet of external gear 10 (namely, inner circumference edge 12) biased, make ratchet 21 according to annular element 20 (exactly, internal gear 4) and the sense of rotation of external gear 10 and speed and optionally abut or slip across ratchet 11 with ratchet 11, thus make free wheel device 1 be in engaged mode or split pattern.Such as, when inside and outside gear all rotates along the counter clockwise direction in Fig. 2,3, if the rotating speed of external gear 10 is greater than the rotating speed of internal gear 4, then the end of ratchet 21 is understood close toward each other with corresponding ratchet 11 and finally mutually abuts as illustrated in fig. 2, so free wheel device 1 is in engaged mode, wherein inside and outside gear is joined to each other and jointly rotates and outputting power; If the rotating speed of external gear 10 is less than the rotating speed of internal gear 4, then ratchet 21 end and corresponding ratchet 11 can each other dorsad away from, and the radial outer side of ratchet 21 slips across each ratchet 11, so free wheel device 1 is in split pattern, wherein inside and outside gear relative to each other rotates independently.The basic structure of ratchet wheel pawl type free wheel device and working principle are known in the art, do not do too much description here.
Also comprise anti-contact device according to free wheel device of the present utility model, this anti-contact device is configured to not contact with ratchet 11 with the described periphery (inner circumference edge 12 of the external gear 10 in illustrated embodiment) of first component to make ratchet 21 power that ratchet 21 applies to overcome bias voltage suffered by it under the split pattern of free wheel device 1.Anti-contact device operate in the split pattern of free wheel device 1 under carry out, split pattern can such as be determined by the sense of rotation of detection first and second parts (or inside and outside gear 4,10) and speed.When determining that free wheel device 1 enters split pattern, signal that is machinery, electric or electronics can be sent to anti-contact device and operating to activate it.
In the illustrated embodiment in which, anti-contact device comprises the electromagnet 24 be arranged on annular element 20, and described electromagnet applies ratchet 21 to be pulled away from the inner circumference edge 12 of external gear 10 and the attraction force of ratchet 11 to ratchet 21 when being energized.Such as, the radially inner side face of ratchet 21 is installed with protuberance 23, when electromagnet 24 is energized, it attracts protuberance 23 to its close also retraction wherein, correspondingly, the bias voltage suffered by ratchet 21 is overcome and is pulled away from external gear 10 and can not contact with ratchet 11 with the inner circumference edge 12 of external gear 10 along with when annular element 20 rotates.
Advantageously, electromagnet 24 can be fixedly connected with inductor coil 25, external gear 10 is provided with and produces the permanent magnet poles in magnetic field, inductor coil 25 and described permanent magnet poles be configured so that under the split pattern of free wheel device 1 inside and outside gear is relative rotate time inductor coil 25 cut the magnetic line of force in described magnetic field and electromagnet 24 be energized.More specifically, such as, described permanent magnet poles can comprise two the ring magnets 13 and 14 be arranged on one heart on external gear 10, and a part for inductor coil 25 is arranged to cut the magnetic line of force produced between them along the radial direction of described two ring magnets between which.Those skilled in the art can understand, the shape of above-mentioned inductor coil and permanent magnet, structure and layout etc. are not limited to the embodiment shown in Fig. 2-4, as long as but inductor coil 25 under split pattern, the magnetic line of force in the magnetic field that permanent magnet produces can be cut to when inside and outside gear rotates relatively and produces induction current, thus electromagnet 24 is energized.
In addition, diode 26 can be provided with in inductor coil 25, described diode configuration becomes to allow the electric current produced in inductor coil 25 when inside and outside gear rotates relatively under the split pattern of free wheel device 1, but stops the back current produced in inductor coil 25 when inside and outside gear rotates relatively under the engaged mode of free wheel device 1.In other words, when there is of short duration relative rotation in inside and outside gear under the engaged mode of free wheel device 1 before ratchet 21 abuts mutually with ratchet 11, stoped by diode 26 and produce induction current in inductor coil 25, electromagnet 24 can not be energized and can not produce attraction force to ratchet 21 thus.
industrial applicibility
When free wheel device 1 works, according to sense of rotation and the speed of inside and outside gear, free wheel device 1 is optionally in engaged mode or split pattern.In engaged mode, ratchet 21 finally abuts mutually with ratchet 11, inside and outside gear is joined to each other and jointly rotates and outputting power; Under split pattern, ratchet 21 slips across each ratchet 11, and inside and outside gear is relative to each other rotated independently.
Under split pattern, the anti-contact device operation of free wheel device 1.More specifically, in the illustrated embodiment in which, when inside and outside gear relative to each other rotates under split pattern, the inductor coil 25 be connected with the electromagnet 24 be arranged on annular element 20 can cut the magnetic line of force in the magnetic field produced by the permanent magnet poles 13 and 14 be arranged on external gear 10 (ratchet), induction current is produced thus in inductor coil 25, so make electromagnet 24 be energized, and then the power that ratchet 21 applies to overcome bias voltage suffered by it is not contacted with ratchet 11 with the inner circumference edge 12 of external gear 10 to make ratchet 21.On the other hand, in engaged mode when inside and outside gear oppositely relatively rotates compared with under split pattern, electromagnet 24 can not be energized because being provided with diode 26 in inductor coil 25, attraction can not be produced to ratchet 21 thus and be pulled away from effect, ratchet 21 can normally be abutted with ratchet 11.
In existing ratchet wheel pawl type free wheel device, ratchet under bias all the time with the peripheral contact being provided with ratchet of ratchet, so wearing and tearing can be produced because of the Relative sliding between them in the place that ratchet contacts with ratchet under split pattern, and the place that can change suddenly at surface of contact (that is, ratchet inside and outside part bonding together time and the face that abuts against of ratchet) produce contact noise.According to the utility model, above-mentioned anti-contact device is provided with in ratchet wheel pawl type free wheel device, ratchet under split pattern can not be contacted with ratchet with the periphery of ratchet, thus avoid wearing and tearing and contact noise, and then life-span and the travelling comfort of ratchet wheel pawl type free wheel device can be improved.
Especially can be used on according to free wheel device of the present utility model in the twin-turbine torque converter of Work machine (as loader).But the utility model is not limited thereto, obviously it also can be applicable to other variously needs in the application of free wheel device.
Obviously, for a person skilled in the art, when not departing from scope of the present utility model or spirit, various modifications and variations can be made to embodiment disclosed above.According to disclosed in this specification to practice of the present utility model, other embodiment of the present utility model is apparent to those skilled in the art.This specification and disclosed example thereof should be considered to just exemplary, and true scope of the present utility model is specified by claims and equivalent thereof.
Claims (9)
1. a free wheel device (1), comprise rotatable first and second parts (10,20), described first component (10) comprises the periphery (12) being provided with ratchet (11), described second component (20) comprises ratchet (21), described ratchet is biased towards described periphery, described ratchet is made optionally to abut or slip across described ratchet with described ratchet according to the sense of rotation of described first and second parts and speed, thus make described free wheel device (1) be in engaged mode or split pattern
It is characterized in that,
Also comprise anti-contact device, described anti-contact device is configured to not contact with ratchet (11) with the described periphery (12) of described first component (10) to make described ratchet the power that described ratchet (21) applies to overcome described bias voltage under described split pattern.
2. free wheel device according to claim 1 (1), is characterized in that,
Described anti-contact device comprises the electromagnet (24) be arranged on described second component (20), and described electromagnet applies described ratchet to be pulled away from the described periphery (12) of described first component (10) and the attraction force of ratchet (11) to described ratchet (21) when being energized.
3. free wheel device according to claim 2 (1), is characterized in that,
Described electromagnet (24) is fixedly connected with inductor coil (25), described first component (10) is provided with and produces the permanent magnet poles in magnetic field, described inductor coil and described permanent magnet poles be configured so that under described split pattern described first and second parts are relative rotate time described inductor coil (25) cut the magnetic line of force in described magnetic field and described electromagnet (24) be energized.
4. free wheel device according to claim 3 (1), is characterized in that,
Described permanent magnet poles comprises two the ring magnets (13 be arranged on one heart on described first component (10), 14), a part for described inductor coil (25) is arranged to cut the magnetic line of force produced between them along the radial direction of described two ring magnets between which.
5. free wheel device according to claim 4 (1), is characterized in that,
Diode (26) is provided with in described inductor coil (25), described diode configuration becomes to allow the electric current produced in described inductor coil when described first and second parts rotate relatively under described split pattern, but stops the back current produced in described inductor coil when described first and second parts rotate relatively under described engaged mode.
6. free wheel device according to any one of claim 1 to 5 (1), is characterized in that,
Described second component (20) is nested to be arranged in described first component (10), described ratchet (21) is arranged on the outer periphery of described second component, and described ratchet (11) is arranged on the inner circumference edge of described first component.
7. free wheel device according to claim 6 (1), is characterized in that,
Outer periphery along described second component (20) are equally spaced provided with multiple ratchet (21), and the inner circumference edge along described first component (10) is equally spaced provided with the multiple ratchets (11) identical with described number of pawls.
8. a twin-turbine torque converter, is characterized in that comprising free wheel device according to any one of claim 1 to 7 (1).
9. a machine (100), is characterized in that comprising twin-turbine torque converter according to claim 8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520523901.9U CN204755659U (en) | 2015-07-20 | 2015-07-20 | Freewheel clutch reaches double -turbine hydraulic torque converter and machine including it |
| RU2016129494A RU2742842C1 (en) | 2015-07-20 | 2016-07-19 | Freewheeling clutch, torque hydroconverter with two couplings and machine comprising said elements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520523901.9U CN204755659U (en) | 2015-07-20 | 2015-07-20 | Freewheel clutch reaches double -turbine hydraulic torque converter and machine including it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204755659U true CN204755659U (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520523901.9U Active CN204755659U (en) | 2015-07-20 | 2015-07-20 | Freewheel clutch reaches double -turbine hydraulic torque converter and machine including it |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204755659U (en) |
| RU (1) | RU2742842C1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662035A (en) * | 2018-07-25 | 2018-10-16 | 北京电子工程总体研究所 | A kind of mono-directional overrun clutch |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1780276A1 (en) * | 1968-08-24 | 1971-12-30 | Porsche Kg | Clutch unit for compound transmission |
| SU505838A1 (en) * | 1974-10-30 | 1976-03-05 | Freewheel clutch | |
| SU815323A1 (en) * | 1975-01-06 | 1981-03-23 | Предприятие П/Я А-7701 | Vehicle power plant |
| SU1400915A1 (en) * | 1986-01-13 | 1988-06-07 | Московский автомобильный завод им.И.А.Лихачева | Vehicle hydromechanical transmission |
| RU2131817C1 (en) * | 1994-04-06 | 1999-06-20 | Всероссийский научно-исследовательский институт транспортного машиностроения | Crawler carrier |
| KR101213480B1 (en) * | 2010-12-01 | 2012-12-20 | 삼성에스디아이 주식회사 | Battery protecting circuit and controlling method of the same |
| US9097299B2 (en) * | 2013-04-02 | 2015-08-04 | Warner Electric Technology Llc | Electromagnetic actuator for a bi-directional clutch |
| EP3039310A4 (en) * | 2013-08-27 | 2017-04-26 | Means Industries, Inc. | Magnetic system for controlling the operating mode of an overrunning coupling assembly and overrunning coupling and magnetic control assembly having same |
-
2015
- 2015-07-20 CN CN201520523901.9U patent/CN204755659U/en active Active
-
2016
- 2016-07-19 RU RU2016129494A patent/RU2742842C1/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662035A (en) * | 2018-07-25 | 2018-10-16 | 北京电子工程总体研究所 | A kind of mono-directional overrun clutch |
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| Publication number | Publication date |
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| RU2742842C1 (en) | 2021-02-11 |
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| GR01 | Patent grant |