CN101999263A - Novel clutch applicable to farming machine - Google Patents
Novel clutch applicable to farming machine Download PDFInfo
- Publication number
- CN101999263A CN101999263A CN2010102750536A CN201010275053A CN101999263A CN 101999263 A CN101999263 A CN 101999263A CN 2010102750536 A CN2010102750536 A CN 2010102750536A CN 201010275053 A CN201010275053 A CN 201010275053A CN 101999263 A CN101999263 A CN 101999263A
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- clutch
- extension spring
- gear
- spline housing
- shaft
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Abstract
The invention relates to a novel clutch applicable to a farming machine. A chassis center is welded on a spindle housing, a shaft check ring groove is arranged on the periphery of the spindle housing, a plurality of shoes made of a powder metallurgy material and having tension spring circular grooves are evenly distributed on the periphery of the chassis, each tension sparing circular groove is internally provided with a closed tension spring, and the tension springs are used for fixing the plurality of shoes in circumferential direction, the center of a central disc is sleeved on the spindle housing and is clamped in the shaft check ring groove by a shaft check ring so that the central disc and the spindle housing are connected into a whole to form a clutch assembly, a clutch shell is sleeved at the periphery of the clutch assembly, a driving gear is connected at the outer end of the clutch shell, a driving gear assembly comprises a gear disc and a gear shaft which are fixedly connected into a whole, and a gear on the gear shaft is engaged with an output gear. By adopting the technical scheme of the invention, the defect that the traditional clutch has slipping, can be abraded and burnt easily can be solved.
Description
Technical field
The present invention relates to a kind of clutch, relate in particular to a kind of novel clutch that is applicable to agricultural ploughing machine.
Background technology
The agricultural ploughing machine clutch be provided in a side of between agricultural ploughing machine engine and the rear driving system vitals, its effect is exactly the power that is used for transmitting or cutting off engine.The environment for use of agricultural ploughing machine is abominable, and especially to work in the paddy field to very, in most cases in low speed, high pulling torque, high vibration underdrive, therefore reliability, wearability, durability, the operation comfort to clutch all has very high requirement.At present, the clutch that agricultural ploughing machine uses adopts various ways, it is CN201450751U that the Chinese patent of employing notification number is arranged, name is called " agricultural ploughing machine automatic clutch " disclosed active friction plate sky and is enclosed within on the center, the axial inside groove of external tooth and outer cover is slippery, from the internal tooth of movable friction plate and the slippery technical scheme of water jacket of center, this clutch configuration complexity, the cost height of making is unfavorable for the popularization in market; The employing shoe-type clutch that also has, the hoof piece cylindrical working face of this shoe-type clutch is bonded with the cork friction material, by nitrile rubber various friction materials are vulcanized one, be used to produce rubbing action, transmit moment of torsion, but its greatest drawback is a non-refractory, nitrile rubber is very fast modification after temperature reaches 120 ℃, carbonization, come off and lost efficacy, and mostly the agricultural ploughing machine clutch is in heavy duty, low speed is work down, the clutch most of the time is in the district's work of skidding, temperature sharply raises and is inevitable under the sliding wear, so, adopt traditional cork friction material obviously to be not suitable for practical working situation; Simultaneously, what driving gear transferring power mode adopted is chain drive, and this mode lost efficacy bigger, and transmission accuracy is not high, and these all cause clutch to skid easily, and wearing and tearing are very fast, has influenced the result of use of agricultural ploughing machine.
Summary of the invention
The technical problem to be solved in the present invention provide a kind of have use stable, high temperature resistant, wear-resisting, that transmission accuracy is high, easy and simple to handle a kind of novel clutch that is applicable to agricultural ploughing machine, solve that present clutch easily skids, defective easy to wear.
In order to solve the problems of the technologies described above, the invention provides a kind of novel clutch that is applicable to agricultural ploughing machine, comprise the spline housing that has inner spline groove, the chassis, the hoof piece with extension spring annular groove of powder metallurgy material, extension spring, spider, the clutch shell, the driving gear assembly, wherein, on the described spline housing that described center chassis is welded on, described spline housing periphery is provided with the shaft block ring groove, hoof piece with described powder metallurgy material of polylith of extension spring annular groove is uniformly set on the circumference of described chassis, be provided with airtight described extension spring in the described extension spring annular groove, described extension spring is circumferentially fixing with the described hoof piece of polylith, described spider center is contained on the described spline housing, relies on shaft block ring to be stuck in the shaft block ring groove spider and the spline housing formation clutch pack that fuses; Described clutch shell is nested with the periphery at clutch pack, and described driving gear is connected the outer end of clutch shell; Described driving gear assembly comprises fixedly connected toothed disc that is integral and gear shaft, and gear shaft cogs and output gear is meshing with each other.
A kind of novel clutch that is applicable to agricultural ploughing machine of the technical program, its obvious advantage is as follows:
1, be the hoof piece of the powdered metallurgical material of present known materials owing to what adopt, this hoof piece easy-formation and wear-resisting, guaranteed the precision of making, compare with original technology, this clutch has very strong resistance to elevated temperatures, in use can scaling loss, also has tangible anti-wear performance, in use be not easy wearing and tearing, have enough intensity simultaneously, guarantee in use can not damage;
2, owing to the powder metallurgy hoof piece that adopts than the polylith number, its circle distribution is reasonable, and the friction pair contact area obviously increases, and is difficult for skidding, is difficult for producing shake in the use;
3, simple in structure, be not easy in the use to break down, simultaneously easy and simple to handle, rely on the control throttle to get final product the separation and the combination of automatic solenoidoperated cluthes, need not independent control;
What 4, the driving gear of this clutch adopted is and output gear pitch wheel structure, and original relatively chain gear transmission can guarantee the stationarity of moment transmission, gearratio is constant, transmits motion accurately and reliably, and the power and the velocity interval of transmission are bigger, the transmission efficiency height, long service life.
Further, limit described toothed disc and be provided with at least three rivet through holes, rivet passes the rivet through hole and is connected with described clutch shell outer end, original relatively driving gear is compared with the integrally manufactured technical scheme of clutch shell, this connected mode is simple, good manufacturability is beneficial to and installs and make.
Use a kind of novel clutch that is applicable to agricultural ploughing machine of the technical program, engine shaft is by having the spline housing rotation of inner spline groove, when reaching certain rotating speed, the effect that utilizes centrifugal force to make the hoof piece with extension spring annular groove of powder metallurgy material overcome extension spring is outwards thrown away, the excircle of hoof piece is rotated with contact of clutch outer casing inner wall and drive clutch outer member, also just driven simultaneously the driving gear assembly rotation that is connected with the clutch shell, driving gear transmits power by gear-driven mode.Through overtesting and in batches checking, this clutch is suitable on the agricultural ploughing machine special-purpose, and simple in structure, has solved that original agricultural ploughing machine clutch easily skids, easily scaling loss, drawback easy to wear, plays a part stable to the transmission of agricultural ploughing machine or the power that cuts off engine.
Description of drawings
Fig. 1 is the structural representation of driving gear assembly among a kind of novel clutch embodiment that is applicable to agricultural ploughing machine of the present invention;
Fig. 2 is that schematic diagram is looked on the left side of Fig. 1;
Fig. 3 is the structural representation of clutch shell among a kind of novel clutch embodiment that is applicable to agricultural ploughing machine of the present invention;
Fig. 4 is an A-A sectional structure schematic diagram among Fig. 3;
Fig. 5 is the structural representation on chassis among a kind of novel clutch embodiment that is applicable to agricultural ploughing machine of the present invention;
Fig. 6 is a B-B sectional structure schematic diagram among Fig. 5;
Fig. 7 is the structural representation of hoof piece among a kind of novel clutch embodiment that is applicable to agricultural ploughing machine of the present invention;
Fig. 8 is that schematic diagram is looked on the left side of Fig. 7;
Fig. 9 is the structural representation that six hoof pieces shown in Figure 7 are uniformly set at the described chassis of figure circumference;
Figure 10 is the structural representation of spider among a kind of novel clutch embodiment that is applicable to agricultural ploughing machine of the present invention;
Figure 11 is that schematic diagram is looked on the right side of Figure 10;
Figure 12 is the structural representation of spline housing among a kind of novel clutch embodiment that is applicable to agricultural ploughing machine of the present invention;
Figure 13 is that schematic diagram is looked on the left side of Figure 12;
Figure 14 is a kind of assembly structure schematic diagram that is applicable to the novel clutch embodiment of agricultural ploughing machine of the present invention.
Embodiment
Below in conjunction with drawings and Examples technical solution of the present invention is further specified:
As shown in figure 14, among a kind of novel clutch embodiment that is applicable to agricultural ploughing machine, clutch comprises spline housing 6, chassis 3, hoof piece 4, extension spring 8, spider 5, clutch shell 2, driving gear assembly 1, wherein spline housing 6 welds together with 3 centers, chassis, the structure on chassis 3 is concrete as Fig. 5, shown in Figure 6, spline housing 6 peripheries are provided with shaft block ring groove 61 (specifically as shown in figure 12) and spline housing 6 has inner spline groove 62 (specifically as shown in figure 13), six hoof pieces 4 with powder metallurgy material of extension spring annular groove 41 are (concrete as Fig. 7, shown in Figure 8) be uniformly set on the circumference on chassis 3 (specifically as shown in Figure 9), be provided with airtight extension spring 8 in the extension spring annular groove 41, rely on the pretightning force of extension spring 8 to be stabilized in circumferentially fixing together, spider 5 is (concrete as Figure 10, shown in Figure 11) center is contained on the spline housing 6, relies on shaft block ring 9 to be stuck in the shaft block ring groove 61 spider 5 and spline housing 6 fused the formation clutch pack; Clutch shell 2 (specifically as shown in Figure 3, Figure 4) is nested with the periphery at clutch pack, and described driving gear 1 is connected the outer end of clutch shell 2; Described driving gear assembly 1 comprises fixedly connected toothed disc that is integral 11 and gear shaft 12 (specifically as shown in Figure 1 and Figure 2), toothed disc 11 is provided with three rivet through holes 111, rivet 7 passes rivet through hole 111 and is connected with described clutch shell 2 outer ends, gear shaft 12 is provided with gear 121, and gear 121 is used for and the output gear effect of being meshing with each other.
Above-described only is preferred implementation of the present invention; should be understood that; for a person skilled in the art; under the prerequisite that does not break away from structure of the present invention; can also make some distortion and improvement; such as; the hoof piece 4 of powder metallurgy material can be arranged to ten or eight; rivet through hole 111 is arranged to four or more a plurality of; also will corresponding be arranged to the number of four or more a plurality of rivet 7 on the same corresponding clutch shell 2 and also want corresponding increase; these also should be considered as protection scope of the present invention, and these can not influence effect of the invention process and practical applicability.
Claims (2)
1. novel clutch that is applicable to agricultural ploughing machine, it is characterized in that: comprise the spline housing that has inner spline groove, the chassis, the hoof piece with extension spring annular groove of powder metallurgy material, extension spring, spider, the clutch shell, the driving gear assembly, wherein, on the described spline housing that described center chassis is welded on, described spline housing periphery is provided with the shaft block ring groove, hoof piece with described powder metallurgy material of polylith of extension spring annular groove is uniformly set on the circumference of described chassis, be provided with airtight described extension spring in the described extension spring annular groove, described extension spring is circumferentially fixing with the described hoof piece of polylith, described spider center is contained on the described spline housing, relies on shaft block ring to be stuck in the shaft block ring groove spider and the spline housing formation clutch pack that fuses; Described clutch shell is nested with the periphery at clutch pack, and described driving gear is connected the outer end of clutch shell; Described driving gear assembly comprises fixedly connected toothed disc that is integral and gear shaft, and gear shaft cogs and output gear is meshing with each other.
2. the novel clutch that is applicable to agricultural ploughing machine according to claim 1 is characterized in that: described toothed disc is provided with at least three rivet through holes, and rivet passes the rivet through hole and is connected with described clutch shell outer end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102750536A CN101999263A (en) | 2010-09-07 | 2010-09-07 | Novel clutch applicable to farming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102750536A CN101999263A (en) | 2010-09-07 | 2010-09-07 | Novel clutch applicable to farming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101999263A true CN101999263A (en) | 2011-04-06 |
Family
ID=43807151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102750536A Pending CN101999263A (en) | 2010-09-07 | 2010-09-07 | Novel clutch applicable to farming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101999263A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2729416Y (en) * | 2004-09-20 | 2005-09-28 | 重庆恒胜汽油机制造有限公司 | Shoe block clutch for motorcycle |
| CN101016924A (en) * | 2007-02-28 | 2007-08-15 | 重庆建设摩托车股份有限公司 | Shoe-type automatic clutch |
| CN200946634Y (en) * | 2006-06-23 | 2007-09-12 | 程吾 | Motorcycle clutch shoe |
| CN200996419Y (en) * | 2006-12-30 | 2007-12-26 | 周树明 | Automatic clutch for agricultural micro-cultivater |
| CN201839599U (en) * | 2010-09-07 | 2011-05-25 | 刘根堂 | Novel clutch applicable to agricultural ploughing machine |
-
2010
- 2010-09-07 CN CN2010102750536A patent/CN101999263A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2729416Y (en) * | 2004-09-20 | 2005-09-28 | 重庆恒胜汽油机制造有限公司 | Shoe block clutch for motorcycle |
| CN200946634Y (en) * | 2006-06-23 | 2007-09-12 | 程吾 | Motorcycle clutch shoe |
| CN200996419Y (en) * | 2006-12-30 | 2007-12-26 | 周树明 | Automatic clutch for agricultural micro-cultivater |
| CN101016924A (en) * | 2007-02-28 | 2007-08-15 | 重庆建设摩托车股份有限公司 | Shoe-type automatic clutch |
| CN201839599U (en) * | 2010-09-07 | 2011-05-25 | 刘根堂 | Novel clutch applicable to agricultural ploughing machine |
Non-Patent Citations (1)
| Title |
|---|
| 苑书志: "山区公路客车致动问题的探讨", 《东北汽车运输》 * |
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| PB01 | Publication | ||
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Application publication date: 20110406 |
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| WD01 | Invention patent application deemed withdrawn after publication |