CN104956851A - Power distribution system - Google Patents
Power distribution system Download PDFInfo
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- CN104956851A CN104956851A CN201510080042.5A CN201510080042A CN104956851A CN 104956851 A CN104956851 A CN 104956851A CN 201510080042 A CN201510080042 A CN 201510080042A CN 104956851 A CN104956851 A CN 104956851A
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Abstract
The invention relates to a power distribution system. The power distribution system comprises a transmission shaft in transmission connection with a power output shaft of an engine, an installation support used for rotatably supporting the transmission shaft, a belt pulley in transmission connection with the transmission shaft, a hydraulic pump driving device in transmission connection with the belt pulley, and a hydraulic pump driven by the hydraulic pump driving device. Compared with the prior art, the power distribution system is compact in structure, and has greatly improved transmission efficiency. The power distribution system drives the hydraulic pump without a belt driving manner which is generally employed in the prior art, so that the transmission efficiency of the power distribution system is higher than that of a power distribution system employing the belt driving manner, and tedious operations caused by belt replacing can be avoided.
Description
Technical field
The invention belongs to mechanical transmission fields, relate to a kind of power distribution system, more specifically, relate to the Power output distributor that a kind of power by engine is dispensed to multiple operating systems of Work machine.
Background technology
Below background of related of the present invention is described, but these explanations might not form prior art of the present invention.
The application of hydraulic system in various engineering machinery and agricultural machinery is more and more extensive.Hydraulic system needs the power take-off by engineering truck, such as engine, provides power.In the last few years, the agricultural machinery maximization future development that particularly agriculture grain harvest machinery is heavier towards weight and motive is more powerful.In order to the hydraulic system in agricultural machinery be done discharge capacity is larger, power output is higher, and hydraulic moving pump and motor integrated set-up mode are gradually to split type future development, and hydraulic pump needs to install individually usually.The hydraulic pump of great majority walking is in the market generally directly be connected with power take-off by belt, thus the power conversion of the device that outputs power becomes the hydraulic energy of hydraulic pump.Due to the frame for movement characteristics of compact layout of engineering machinery or agricultural machinery itself, and in order to install hydraulic pump, also need the space rearranged for arranging hydraulic pump, this will make the layout of whole dynamical system more inconvenient.In addition, because belt transmission efficiency is low, easy to wear and change inconvenient, therefore the application of existing hydraulic system in engineering machinery or agricultural machinery have received many restrictions.This shows, need in prior art a kind of can realize solving the above prior-art problems engineering machinery or agricultural machinery.
In addition, in the agricultural results walking machine of high-power all-hydraulic bilateral driving, consider the problem that walking hydraulic pump power stage is large, walking hydraulic pump connects Power output operation by belt.But this arrangement cost is high, and transmission efficiency is low, not easy care, and consider that the mechanism of agricultural harvesting machinery itself is very complicated, therefore not easily arrange.Therefore, a kind of characteristics of compact layout is needed and the efficient power-transmission system of transmission in prior art, more effective power can not only be passed to hydraulic pump by this power-transmission system, and this power-transmission system occupies less installation and usage space, thus make to adopt the engineering machinery of this power-transmission system or agricultural machinery to have compact frame for movement.
Summary of the invention
The object of the invention is to propose a kind of compact conformation and the high power distribution system for the agricultural machinery such as grain combine and sower of transmission efficiency.
The invention provides a kind of power distribution system, this power distribution system comprise with the pto of engine be connected power transmission shaft, for supporting drive shaft rotatably mounting bracket, with transmission shaft driven be connected belt pulley, with pulley drive the ground hydraulic pump driving device that is connected and the hydraulic pump driven by hydraulic pump driving device.
Can not only by the power of engine outwards being exported with the power transmission shaft direct relative belt pulley engaged regularly according to power distribution system of the present invention, and by with this belt pulley direct-drive the hydraulic pump driving device that is connected drive hydraulic pump, thus to the various operating mechanism output hydraulic pressure power of Work machine.Due to the arrangement form of belt pulley and hydraulic pump and drive unit thereof, power distribution system according to the present invention is of compact construction, and there is high transmission efficiency.Owing to carrying out Direct driver by hydraulic pump driving device to hydraulic pump, but not adopt usual adopted V belt translation in prior art, therefore there is the transmission efficiency higher than V belt translation, and eliminate the troublesome operation changed belt and bring.
According to a preferred embodiment of power distribution system of the present invention, belt pulley comprises the external flange being formed as columnar belt wheel body, the inner flange extended radially inwardly from the inner edge of the end of belt wheel body and extending radially outwardly from the outer rim of the end of belt wheel body.
In another preferred embodiment of power distribution system according to the present invention, belt pulley is connected by inner flange and transmission shaft driven.
According to another preferred embodiment of power distribution system of the present invention, hydraulic pump driving device comprises the driven gear of the inside being relatively arranged on the driven wheel on the end of the external flange of belt pulley regularly and be arranged on driven wheel.
In another preferred embodiment of power distribution system according to the present invention, driven gear also comprises the hydraulic pump drive portion of the side being arranged on its wheel body.
According to an also preferred embodiment of power distribution system of the present invention, hydraulic pump drive portion is drivingly connected by spline and spline housing assembly with the power transmission shaft of hydraulic pump.
In another preferred embodiment of power distribution system according to the present invention, the housing of hydraulic pump is arranged on the mounting bracket of power distribution system regularly by pump installing rack.
According to another preferred embodiment of power distribution system of the present invention, hydraulic pump is arranged on pump installing rack regularly by clamping screw.
In another preferred embodiment of power distribution system according to the present invention, power transmission shaft comprise the first end being positioned at power transmission shaft the first diameter portion, with the adjacent second diameter portion of the first diameter portion and the driving flange of the second end being formed in power transmission shaft.
According to an also preferred embodiment of power distribution system of the present invention, the diameter of the first diameter portion is less than the diameter of second diameter portion, and the diameter of second diameter portion is less than the diameter of driving flange.
In another preferred embodiment of power distribution system according to the present invention, driving flange is connected by the 3rd diameter portion with second diameter portion, and the diameter of the 3rd diameter portion is between the diameter and the diameter of driving flange of second diameter portion.
According to another preferred embodiment of power distribution system of the present invention, power transmission shaft is drivingly connected to the power take-off of engine by drive plate at the first diameter portion place.
In another preferred embodiment of power distribution system according to the present invention, the enlarging shape part that mounting bracket comprises cylindrical portion and extends from the axial end portion of cylindrical portion.
According to an also preferred embodiment of power distribution system of the present invention, mounting bracket is in cylindrical portion office by the second diameter portion of bearing rotary ground supporting drive shaft, and enlarging shape part extends towards the first diameter portion.
In another preferred embodiment of power distribution system according to the present invention, the enlarging shape part of mounting bracket is formed with multiple first installing holes that the circumferencial direction around power transmission shaft is arranged.
According to another preferred embodiment of power distribution system of the present invention, around the first installing hole, be provided with installation base.
In another preferred embodiment of power distribution system according to the present invention, pump installing rack is provided with multiple second installing holes corresponding with multiple first installing holes on mounting bracket, and pump installing rack is arranged on mounting bracket regularly by the pillar through the first installing hole and the second installing hole.
According to an also preferred embodiment of power distribution system of the present invention, the belt wheel body of belt pulley surrounds mounting bracket at least in part at cylindrical portion.
In another preferred embodiment of power distribution system according to the present invention, belt wheel body is nested with on the periphery of the driving flange of power transmission shaft, and the axial end of driving flange is abutted with the side towards driving flange of the inner flange of belt pulley.
According to another preferred embodiment of power distribution system of the present invention, power transmission shaft and belt pulley are set together regularly by the bolt through the hole in driving flange and inner flange.
Power distribution system according to the present invention due to have employed the toroidal structure of mounting bracket as above, belt pulley with the structure of mounting bracket collocated, belt pulley and the syndeton of hydraulic pump driving device and the fixed structure of hydraulic pump, thus make this power distribution system compact conformation, take less installing space and the transmission efficiency of power distribution system can be improved widely.In addition, owing to eliminating the belt being often used in transferring power between engine and hydraulic pump, therefore eliminate the loaded down with trivial details operation changed needed for belt, thus greatly save the care and maintenance time of power distribution system, improve the service efficiency of power distribution system.
Accompanying drawing explanation
By the embodiment part provided referring to accompanying drawing, the features and advantages of the present invention will become easier to understand, in the accompanying drawings:
Fig. 1 illustrates the longitudinal sectional view according to power distribution system of the present invention;
Fig. 2 illustrates the decomposition diagram according to power distribution system of the present invention; And
Fig. 3 illustrates the perspective view of the engine be provided with according to power distribution system of the present invention.
Embodiment
With reference to the accompanying drawings illustrative embodiments of the present invention is described in detail.Be only for demonstration object to the description of illustrative embodiments, and be never the restriction to the present invention and application or usage.
Technical problem to be solved by this invention is that the belt transmissioning mode transmission efficiency between hydraulic pump of the prior art and engine is low, belt is easy to wear, belt replacing is inconvenient and the layout of hydraulic pump is not easy to operate.The object of the present invention is to provide a kind of transmission efficiency high and the power distribution system of reasonable structural arrangement.
As shown in Figure 1, the cutaway view according to power distribution system 50 of the present invention is shown.The power that power distribution system 50 according to the present invention may be used for the agricultural machinery such as grain combine, sower distributes, and the power of the engine of agricultural machinery can be passed to different operation parts by respectively.In the embodiment of power distribution system 50 according to the present invention, the power transmission shaft 5 of power distribution system 50 and the pto of engine 100 are bonded together.In the embodiment of power distribution system 50 according to the present invention, the power transmission shaft 5 of power distribution system 50 is fixedly connected to the power take-off of engine 100 relatively by drive plate 1.The power transmission shaft 5 of power distribution system 50 is permanently connected the first diameter portion 5-1 place is relative with drive plate 1, such as power transmission shaft 5 can be coordinated by keyway or interference fit in the endoporus of drive plate 1.Drive plate 1 drivingly can be connected with the power delivery section of engine 100, and such as, drive plate 1 can be connected to the flywheel 30 of engine by bolt 1-1.
The power transmission shaft 5 of power distribution system 50 is formed with the second diameter portion 5-2 adjacent with the first diameter portion 5-1, be arranged on the periphery of second diameter portion 5-2 by bearing 8 for the mounting bracket 2 that supports power transmission shaft 5, thus, power transmission shaft 5 freely can rotate in the installing hole of mounting bracket 2.Mounting bracket 2 can be fixed on the housing 101 of engine 100 by bolt 2-5, as shown in Figures 2 and 3.Mounting bracket 2 is designed to the enlarging shape part 2-2 comprising cylindrical portion 2-1 and extend from cylindrical portion 2-1 towards the first diameter portion 5-1.The inwall of the outer ring and cylindrical portion 2-1 that are arranged on the bearing 8 between mounting bracket 2 and power transmission shaft 5 forms interference fit, and meanwhile, the outer wall of the inner ring of bearing 8 and the second diameter portion 5-2 of power transmission shaft 5 forms interference fit.The first diameter portion 5-1 of enlarging shape part 2-2 from cylindrical portion 2-1 towards power transmission shaft 5 of mounting bracket 2 extends, along the direction from the second diameter portion 5-2 of power transmission shaft 5 to the first diameter portion 5-1, enlarging shape part 2-2 has the diameter increased gradually, thus makes the enlarging shape part 2-2 of mounting bracket 2 partly surround the drive plate 1 of power distribution system 50 in a circumferential direction.
For the ease of power transmission shaft 5 processing and be convenient to power transmission shaft 5 and coordinate with the installation of all parts arranged on it, between the first diameter portion 5-1 and second diameter portion 5-2, be formed with the first flange 5-3, and be formed with guide groove 5-4 between the first flange 5-3 and the edge of second diameter portion 5-2.In guide groove 5-4, be provided with the first snap ring 6, and be provided with spacer 7 between the first snap ring 6 and the inner ring of bearing 8.First snap ring 6 can be connected on the periphery of power transmission shaft 5 very securely by guide groove 5-4, and by spacer 7, bearing 8 is fixed on the periphery of power transmission shaft 5 along the axis direction of power transmission shaft 5.
Be formed with driving flange 5-5 in the end away from the first diameter portion 5-1 of power transmission shaft 5, driving flange 5-5 is connected by the 3rd diameter portion 5-6 with second diameter portion 5-2.The diameter of the 3rd diameter portion 5-6 is greater than the diameter of second diameter portion 5-2, and the diameter of driving flange 5-5 is greater than the diameter of the 3rd diameter portion 5-6.Between second diameter portion 5-2 and the 3rd diameter portion 5-6, form stage portion, stage portion is used for the inner ring of rigid bearing 8.As shown in Figure 1, the inner ring of bearing 8 is securely held between the edge of spacer 7 and the 3rd diameter portion 5-6.In addition, in order to make bearing 8 more be securely fixed in the inwall of cylindrical portion 2-1 of mounting bracket 2, the inwall of cylindrical portion 2-1 is provided with the groove for holding the second snap ring 9.As shown in Figure 1, the inwall of cylindrical portion 2-1 is provided with two grooves of the both sides of the outer ring being positioned at bearing 8, second snap ring 9 is equipped with respectively in each groove, two the second snap rings 9 just by the locking of the outer ring of bearing 8 in-between, thus make bearing 8 more be securely fixed on the cylindrical portion 2-1 of mounting bracket 2.Thus, power transmission shaft 5 freely can be rotated in mounting bracket 2 by the bearing 8 between the cylindrical portion 2-1 that is arranged on second diameter portion 5-2 and mounting bracket 2.
Be permanently connected in the end of the close driving flange 5-5 of power transmission shaft 5 belt pulley 11 relatively, outwards transmitted by the rotary motion of belt pulley 11 by power transmission shaft 5, for driving the motion of the mechanical device such as threshing chamber, header of such as grain harvest machinery.As shown in Figure 1, the external flange 11-3 being formed as columnar belt wheel body 11-1, the inner flange 11-2 extended radially inwardly from the inner edge of columnar belt wheel body 11-1 end and extending radially outwardly from the outer rim of columnar belt wheel body 11-1 end is comprised according to the belt pulley 11 of power distribution system 50 of the present invention.The outer peripheral edges of belt wheel body 11-1 are formed as the multiple grooves for holding many belts, may be used for holding many belts, such as V belt.As can be seen from accompanying drawing 1, the outer peripheral edges of belt wheel body 11-1 are formed as dentalation, between adjacent two teeth, are formed with groove.Certainly, the outer peripheral edges of belt wheel body 11-1 also can be formed as flat structure, and flat rubber belting now can be adopted to carry out the transmission of power.
Belt pulley 11 is set together regularly by inner flange 11-2 is relative with power transmission shaft 5.As shown in Figure 1, the belt wheel body 11-1 of belt pulley 11 is nested with on the periphery of the driving flange 5-5 of power transmission shaft 5, and the axial end of driving flange 5-5 is abutted with the side towards driving flange 5-5 of the inner flange 11-2 of belt pulley 11, and be arranged on regularly on the driving flange 5-5 of power transmission shaft 5 by the inner flange 11-2 of belt pulley 11 by bolt 12, thus make that belt pulley 11 is relative with power transmission shaft 5 to be set together regularly.
The end away from power transmission shaft 5 of belt pulley 11 is provided with hydraulic pump driving device 13.Hydraulic pump driving device 13 comprises the driven wheel 13-1 be relatively arranged on regularly on the end of the external flange 11-3 of belt pulley 11, and driven wheel 13-1 can be arranged to the gear ring with internal tooth, as shown in Figure 2.Be formed with interior driving cog in the inside of driven wheel 13-1, the outer driving cog on the interior driving cog of driven wheel 13-1 and driven gear engaged each other, thus the rotary motion of power transmission shaft 5 is passed to driven gear, and outwards transmission further thus.The external diameter of driven wheel 13-1 can be arranged to make it substantially equal with the external diameter of the external flange 11-3 of belt pulley 11, and is arranged on regularly on belt pulley 11 by the corresponding second locating hole 11-4 in the external flange 11-3 of the first locating hole 13-3 on the wheel body that is arranged on driven wheel 13-1 and belt pulley 11.In an embodiment according to the present invention, by bolt 14, driven wheel 13-1 is fixed on belt pulley 11.
Hydraulic pump driving device 13 also comprises the driven gear 13-2 being arranged on driven wheel 13-1 inside.Driven gear 13-2 is provided with external tooth, thus engages each other with the internal tooth of driven wheel 13-1.Driven gear 13-2 also comprises the hydraulic pump drive portion 13-4 of the side being arranged on wheel body, and this hydraulic pump drive portion 13-4 is formed to drive with the hydraulic pump on the end being arranged on power distribution system 50 and coordinates, thus provides power to input for hydraulic pump.Illustrate below with reference to accompanying drawing and form is set according to the hydraulic pump of power distribution system 50 of the present invention.
As shown in Figure 1, the enlarging shape part 2-2 of mounting bracket 2 is formed with installation portion, installation portion can be formed in the first installing hole 2-3 on enlarging shape part 2-2, can be such as through hole or blind hole.Advantageously, in an embodiment according to the present invention, around the first installing hole 2-3, be provided with installation base 2-4, installation base 2-4 can be conducive to the intensity of reinforcing first installing hole 2-3, thus provides more firmly structure for mounting bracket 2.In embodiment as shown in Figure 2, the circumferencial direction around mounting bracket 2 is provided with 3 the first installing hole 2-3.
The end of power distribution system 50 is provided with the pump installing rack 15 be permanently connected with mounting bracket 2.With the first installing hole 2-3 that mounting bracket 2 is arranged similarly, pump installing rack 15 is provided with multiple second installing hole 15-1, and the second installing hole 15-1 on pump installing rack 15 is corresponding with the first installing hole 2-3 on mounting bracket 2, thus by the pillar 10 being each passed through the second installing hole 15-1 on pump installing rack 15 and the second installing hole 2-3 on mounting bracket 2, pump installing rack 15 can be arranged on mounting bracket 2 regularly.In the embodiment according to Fig. 1 and Fig. 2, the circumferencial direction around pump installing rack 15 is provided with three the second installing hole 15-1.Therefore, three pillars 10 arranged through three the second installing hole 15-1 on the first installing hole 2-3 of three on mounting bracket 2 and pump installing rack 15 are needed to be installed on mounting bracket 2 by pump installing rack 15.
Further, the end of each pillar 10 is provided with packing ring and bolt, thus together with pillar 10 is firmly fixed with pump installing rack 15 with mounting bracket 2 respectively.As depicted in figs. 1 and 2, respectively the first end being positioned at mounting bracket 2 of each pillar 10 is provided with the first packing ring 4 and the first bolt 3, and the second end being positioned at pump installing rack 15 of pillar 10 is provided with the second packing ring 16 and the second bolt 17.The size of the radial direction along pillar 10 of the first packing ring 4 and the second packing ring 16 is greater than the corresponding radial dimension of the first installing hole 2-3 on mounting bracket 2 and the second installing hole 15-1 on pump installing rack 15 respectively, thus can be fixed on mounting bracket 2 and by the second end of pillar 10 by the first end of pillar 10 respectively by the first bolt 3 and the second bolt 17 and be fixed on pump installing rack 15.
As shown in Figure 1, the housing of hydraulic pump 20 is arranged on pump installing rack 15 by clamping screw 19 regularly, and the power transmission shaft 20-1 of hydraulic pump 20 is drivingly connected with the hydraulic pump drive portion 13-4 of the driven gear 13-2 of drive unit 13, thus the rotary motion of driven gear 13-2 is passed to hydraulic pump 20, drive hydraulic pump 20 externally to do work.At this, the power transmission shaft 20-1 of hydraulic pump 20 drivingly can be connected with spline housing assembly by spline, and spline and spline housing being locked together by lock(ing) bolt 18, thus the stable drive between the power transmission shaft 20-1 being conducive to driven gear 13-2 and hydraulic pump 20.The Power output of hydraulic pump 20 may be used for the hydraulically actuated components of the agricultural machinery such as combine, sower.
In power distribution system 50 according to the present invention, hydraulic pump 20 is directly installed on pump installing rack 15, the power transmission shaft 20-1 of hydraulic pump 20 is directly connected with belt pulley 11 by hydraulic pump driving device 13, belt pulley 11 rotarily drives drive unit 13 and works, hydraulic pump 20 is connected directly to engine by actuating unit, thus eliminate the parts such as hydraulic pump belt, hydraulic pump belt pulley and hydraulic pump erection support, make the integral arrangement of power distribution system compacter, and owing to eliminating hydraulic pump driving belt, transmission efficiency is improved.In addition, the needs of the operation for periodic replacement driving belt are also eliminated.Although be described in detail power distribution system according to the present invention for agricultural machinery at this, power distribution system disclosed herein also may be used for needing other any engineering trucks that rotary power exports and hydraulic power exports.
Although with reference to illustrative embodiments, invention has been described, but be to be understood that, the present invention is not limited in literary composition the embodiment described in detail and illustrate, when not departing from claims limited range, those skilled in the art can make various change to described illustrative embodiments.
Claims (10)
1. a power distribution system, is characterized in that, described power distribution system (50) comprising:
The power transmission shaft (5) be connected with the pto ground of engine (100);
For supporting the mounting bracket (2) of described power transmission shaft (5) rotatably;
The belt pulley (11) be drivingly connected with described power transmission shaft (5);
The hydraulic pump driving device (13) be drivingly connected with described belt pulley (11), and
The hydraulic pump (20) driven by described hydraulic pump driving device (13).
2. power distribution system according to claim 1, wherein, described belt pulley (11) comprises the external flange (11-3) being formed as columnar belt wheel body (11-1), the inner flange (11-2) extended radially inwardly from the inner edge of the end of described belt wheel body (11-1) and extending radially outwardly from the outer rim of the end of described belt wheel body (11-1).
3. power distribution system according to claim 2, wherein, described belt pulley (11) is drivingly connected with described power transmission shaft (5) by described inner flange (11-2).
4. power distribution system according to claim 2, wherein, described hydraulic pump driving device (13) comprises the driven gear (13-2) of the inside being relatively arranged on the driven wheel (13-1) on the end of the external flange (11-3) of described belt pulley (11) regularly and be arranged on described driven wheel (13-1).
5. power distribution system according to claim 4, wherein, described driven gear (13-2) also comprises the hydraulic pump drive portion (13-4) of the side being arranged on its wheel body.
6. power distribution system according to claim 5, wherein, described hydraulic pump drive portion (13-4) is drivingly connected by spline and spline housing assembly with the power transmission shaft (20-1) of described hydraulic pump (20).
7. power distribution system according to claim 5, wherein, the housing of described hydraulic pump (20) is arranged on the described mounting bracket (2) of described power distribution system (50) regularly by pump installing rack (15).
8. power distribution system according to claim 7, wherein, described hydraulic pump (20) is arranged on described pump installing rack (15) regularly by clamping screw (19).
9. power distribution system according to claim 7, wherein, described power transmission shaft (5) comprise the first end being positioned at described power transmission shaft (5) the first diameter portion (5-1), with the adjacent second diameter portion (5-2) of described first diameter portion (5-1) and the driving flange (5-5) of the second end being formed in described power transmission shaft (5).
10. power distribution system according to claim 9, wherein, the diameter of described first diameter portion (5-1) is less than the diameter of described second diameter portion (5-2), and the diameter of described second diameter portion (5-2) is less than the diameter of described driving flange (5-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510080042.5A CN104956851A (en) | 2015-02-13 | 2015-02-13 | Power distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510080042.5A CN104956851A (en) | 2015-02-13 | 2015-02-13 | Power distribution system |
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| CN104956851A true CN104956851A (en) | 2015-10-07 |
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| CN201510080042.5A Pending CN104956851A (en) | 2015-02-13 | 2015-02-13 | Power distribution system |
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| CN2744842Y (en) * | 2004-08-19 | 2005-12-07 | 安徽合力股份有限公司 | Internal direct driving pump device for internal combustion engine |
| CN101497350A (en) * | 2008-12-29 | 2009-08-05 | 煤炭科学研究总院太原研究院 | Explosion-proof type generator car for coal mine |
| EP2317097A2 (en) * | 2009-10-29 | 2011-05-04 | Hartl Stefan | Drive for heavy devices |
| CN202845236U (en) * | 2012-10-10 | 2013-04-03 | 深圳市隆瑞科技有限公司 | Vehicle-mounted wind-sending type spraying machine and air duct rotating mechanism |
| CN203387919U (en) * | 2013-06-04 | 2014-01-15 | 黄梅生 | Transmission system aligning device of cotton picker |
| CN203727172U (en) * | 2013-12-26 | 2014-07-23 | 中国农业机械化科学研究院 | Engine power output device for cotton harvester |
| CN204634425U (en) * | 2015-02-13 | 2015-09-16 | 中联重机股份有限公司 | Power distribution system |
-
2015
- 2015-02-13 CN CN201510080042.5A patent/CN104956851A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2744842Y (en) * | 2004-08-19 | 2005-12-07 | 安徽合力股份有限公司 | Internal direct driving pump device for internal combustion engine |
| CN101497350A (en) * | 2008-12-29 | 2009-08-05 | 煤炭科学研究总院太原研究院 | Explosion-proof type generator car for coal mine |
| EP2317097A2 (en) * | 2009-10-29 | 2011-05-04 | Hartl Stefan | Drive for heavy devices |
| CN202845236U (en) * | 2012-10-10 | 2013-04-03 | 深圳市隆瑞科技有限公司 | Vehicle-mounted wind-sending type spraying machine and air duct rotating mechanism |
| CN203387919U (en) * | 2013-06-04 | 2014-01-15 | 黄梅生 | Transmission system aligning device of cotton picker |
| CN203727172U (en) * | 2013-12-26 | 2014-07-23 | 中国农业机械化科学研究院 | Engine power output device for cotton harvester |
| CN204634425U (en) * | 2015-02-13 | 2015-09-16 | 中联重机股份有限公司 | Power distribution system |
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Application publication date: 20151007 |