CN201747882U - Power drive system of power converting machinery - Google Patents
Power drive system of power converting machinery Download PDFInfo
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- CN201747882U CN201747882U CN201020294514XU CN201020294514U CN201747882U CN 201747882 U CN201747882 U CN 201747882U CN 201020294514X U CN201020294514X U CN 201020294514XU CN 201020294514 U CN201020294514 U CN 201020294514U CN 201747882 U CN201747882 U CN 201747882U
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Abstract
The utility model discloses a power drive system of a power converting machinery, which comprises a crankshaft, two crankshaft connecting rods, a main shaft and two drive parts, wherein the crankshaft is a power output part of the drive system, the crankshaft is provided with two connecting rod necks, and the included angle between crank arms of the two connecting rod necks is more than 15 degrees and is less than or equal to 90 degrees; the two crankshaft connecting rods are respectively arranged corresponding to each connecting rod neck; the main shaft is taken as a power input part of the drive system; and the two drive parts have the same and constant transmission ratio, are correspondingly connected between the crankshaft connecting rods and the main shaft, and are used for driving the corresponding crankshaft connecting rods. According to the technical scheme, the power drive system of the power converting machinery is high in drive efficiency, free of dead point, constant in drive ratio, and long in service life.
Description
Technical field
The utility model relates to a kind of power drive system of power converting machinery.
Background technique
It is that the employing tape handler is the transmission system of core institution that the current driving force drive system of power converting machinery has a kind of, and this system drives a double crank mechanism and then drives bent axle rotation by being with this driving mechanism, and has the main shaft of bent axle to carry out power output.This transmission system is the widest transmission system of current application, this kind equipment such as but, load big because of mining equiment power impulsive load big, that be subjected to is also big, operating environment has very abominable, is easy to cause the band of tape handler to lose efficacy in the short period of time, and revolutional slip is very high.Because the influence of revolutional slip, velocity ratio can't be protected, and reliability is very poor, cause operating efficiency to be had a greatly reduced quality, and energy consumption is higher.
Double crank mechanism belongs to a kind of mechanism of shock resistance difference in addition, very be not suitable in the mining machinery, but since alternative poor, also can only adopt this mechanism at present.In addition, there is the dead point in this mechanism, may cause start be obstructed or working state under the motion uncertainty.
Summary of the invention
Because ground, the utility model provides a kind of power drive system of power converting machinery with double link cervical flexure axle in order to overcome the above-mentioned defective of current driving force drive system of power converting machinery, to improve transmission efficiency, no dead point, and velocity ratio is constant, long service life.
The utility model is by the following technical solutions:
This model utility power drive system of power converting machinery, it comprises:
Bent axle is the power output part of this transmission system, and this bent axle is provided with two connecting rod necks, the angle of the crankweb of two connecting rod necks greater than 15 ° smaller or equal to 90 °;
Crank-connecting rod is provided with one corresponding to each connecting rod neck;
Main shaft is as the power input part of this transmission system; And
Drive part is two constant covers of identical velocity ratio, and corresponding being connected between crank-connecting rod and main shaft is used for the driving of corresponding crank-connecting rod.
Put the power drive system of power converting machinery of case according to the utility model technology, adopt bent axle as power output part, the crankweb of two angled configurations (also being crank arm) satisfies the no dead point state of crank-driven, crank for two form unanimities, when one of them is in the dead point state, another inevitable dead point state that is not in, not only satisfied the advantage that many connecting rods of normal practice cervical flexure axle improves aspect the power input, and the aspect that overcomes that this programme lays particular emphasis on the dead point is met in turn also.
This programme adopts the constant drive part of velocity ratio, guarantee the reliability of transmission, and the constant drive part of velocity ratio can not produce kinetic friction phenomenons such as elastic-friction, can not produce these type of wearing and tearing of sports wear and the loss of velocity ratio, the transmission efficiency height, long service life.
Further, owing to overcome elastic-friction, can reduce friction loss, make the system can energy-conservation 15%～20%.
Above-mentioned power drive system of power converting machinery, described drive part comprises that the drive end hinge is connected in the big connecting rod of corresponding toggle link end, hinge is connected in the small rod that big connecting rod is driven end, and the chain drive of vertically arranging that described main shaft drives is arranged, wherein the end that is driven of small rod is connected on the bearing pin of chain drive Transmitted chains, and big connecting rod then is installed on frame by a hinged point and forms leverage.
Above-mentioned power drive system of power converting machinery, described chain drive are roller chain drives mechanism.
Above-mentioned power drive system of power converting machinery, described Transmitted chains driving mechanism are that velocity ratio is 1 driving mechanism.
Above-mentioned power drive system of power converting machinery, each small rod is furnished with a pair of chain drive, and the chain ring plane parallel of two corresponding chain drives flatly forms the bearing pin of small rod between the described bearing pin of this two Transmitted chains.
Above-mentioned power drive system of power converting machinery, chain drive are positioned at the bent axle place side of main shaft, and the drive sprocket axle of chain drive is connected in described main shaft by the plane driving mechanism.
Above-mentioned power drive system of power converting machinery, described driving mechanism are gear drive.
Above-mentioned power drive system of power converting machinery, described gear drive is for being formed by a pair of gear engagement, and wherein a gear is coaxial with described main shaft, and the gear shaft of another gear is described drive sprocket axle.
Above-mentioned power drive system of power converting machinery, described big connecting rod links to each other with described crank-connecting rod by a pair of connecting plate that is welded in its drive end both sides.
Above-mentioned power drive system of power converting machinery is for preferred 90 ° of the angle of the crankweb of said two connecting rod necks.
Below in conjunction with Figure of description the technical solution of the utility model is further elaborated, makes those skilled in the art more clearly understand the technical solution of the utility model.
Description of drawings
Fig. 1 is the plan structure schematic representation according to a kind of power drive system of power converting machinery of technical solutions of the utility model.
Fig. 2 is the main TV structure schematic representation corresponding to Fig. 1.
Among the figure: 1, bearing support, 2, bent axle, 3, the connecting rod neck, 4, crank connects and do, 5, connecting plate, 6, bearing pin, 7, big connecting rod, 8, main shaft, 9, small gear, 10, gearwheel, 11, frame, 12, chain drive, 13, small rod, 14, Transmitted chains, 15, driven sprocket.
Embodiment
With reference to the power drive system of power converting machinery shown in the Figure of description 1, it comprises:
Bent axle 2 is the power output part of this transmission system, the angle of crankweb that this bent axle is provided with two connecting rod neck 3, two connecting rod necks greater than 15 ° smaller or equal to 90 °;
Crank-connecting rod 4 is provided with one corresponding to each connecting rod neck;
Drive part is two constant covers of identical velocity ratio, and corresponding being connected between crank-connecting rod and main shaft is used for the driving of corresponding crank-connecting rod.
About bent axle, as shown in Figure 1, dispose bearing support 1, according to of the present utility model creationary introduce the design of many connecting rods neck, as if those skilled in the art can adopt the bent axle of more a plurality of connecting rod necks, certainly, the bent axle of many connecting rods neck exists for a long time, but does not recognize the significance that overcomes the bent axle dead point before those skilled in the art.
Further, driving about bent axle, present known driving mode is also varied, for this programme, these driving mode can be used, but what be suitable for this industrial and mineral harsh conditions in mine should be the transmission ring introduction, and the few drive part of lubricating point, about easy selection of drive part is slidercrank mechanism or connecting rod, also can adopt double crank mechanism.
Preferably, described drive part comprises that the drive end hinge is connected in the big connecting rod 7 of corresponding toggle link end, hinge is connected in the small rod 13 that big connecting rod is driven end, and the chain drive of vertically arranging that described main shaft drives is arranged, wherein the end that is driven of small rod is connected on the bearing pin of chain drive Transmitted chains, big connecting rod then is installed on frame 11 by a hinged point and forms leverage, this drive part has reduced the quantity of rotation motion pair, mostly be that swing is secondary, and realize the swing of leverage by chain drive, the reliability of motion is stronger, than tape handler transmission efficiency height not only, and more be adapted to abominable industrial and mineral.
Further, in order to improve the reliability of transmission, described chain drive is a roller chain drives mechanism.
Because of the effect of chain drive in this programme mainly is a power transmission, therefore described Transmitted chains driving mechanism is that velocity ratio is 1 driving mechanism, nature those skilled in the art adopts other forms of Transmitted chains according to the forms of motion of this programme, but this programme structure ditch is simple, and designing and calculating is easier.
Further, in order to improve the reliability of transmission, each small rod is furnished with a pair of chain drive, and the chain ring plane parallel of two corresponding chain drives flatly forms the bearing pin of small rod between the described bearing pin of this two Transmitted chains, the bearing pin that this structure is equal to small rod has two fulcrums, can not produce tilting moment, form overhang in other words conj.or perhaps, guarantee the reliability of using, and can not make corresponding bearing pin produce additional wearing and tearing, the wearing and tearing of bearing pin are even.
Preferably, chain drive is positioned at the bent axle place side of main shaft, and the drive sprocket axle of chain drive is connected in described main shaft by the plane driving mechanism.From realizing angle, structural form as shown in Figure 1 seemingly can not appear in main shaft, be exactly the homonymy of the position of main shaft at bent axle, the chain drive bent axle that is positioned at main shaft is tossed about in other words, but structure shown in Figure 1 is plan structure figure, as long as making big connecting rod and small rod in this programme avoids conflicting with main shaft just passable, and this structure can reduce the size of big connecting rod, guarantee its rigidity, certain this structure need adopt said plane driving mechanism to avoid conflicting of main shaft and small rod, to said plane driving mechanism require higherly, the representative configuration among Fig. 1 can be the oblique upper that main shaft is positioned at chain drive.For this reason, those skilled in the art can also adopt aforesaid chain drive to be positioned at the technological means of the bent axle place side of main shaft, simplify the design of said plane driving mechanism, two kinds of structures respectively have pluses and minuses, and those skilled in the art can select according to the needs of oneself.
Preferably, using chain drive to be positioned under the condition of technological means of bent axle place side of main shaft, described driving mechanism is a gear drive, and transmission capacity is stronger.
Further, described gear drive is for being formed by a pair of gear engagement, and wherein a gear is coaxial with described main shaft, and the gear shaft of another gear is described drive sprocket axle, simple in structure, say to a certain extent to be suitable for all main shafts and the layout type of chain drive.
Preferably, described big connecting rod links to each other with described crank-connecting rod by a pair of connecting plate 5 that is welded in its drive end both sides, with rigidity and the reliability that guarantees to connect.
Further, preferred 90 ° of the angle of the crankweb of two connecting rod necks is when this structure can guarantee that a crank is in the dead point state, another crank is in the maximum driving force state, guarantee the reliability of transmission, certainly, other optional angles all help avoiding the dead point.
Claims (10)
1. power drive system of power converting machinery is characterized in that it comprises:
Bent axle (2) is the power output part of this transmission system, and this bent axle is provided with two connecting rod necks (3), the angle of the crankweb of two connecting rod necks greater than 15 ° smaller or equal to 90 °;
Crank-connecting rod (4) is provided with one corresponding to each connecting rod neck;
Main shaft (8) is as the power input part of this transmission system; And
Drive part is two constant covers of identical velocity ratio, and corresponding being connected between crank-connecting rod and main shaft is used for the driving of corresponding crank-connecting rod.
2. power drive system of power converting machinery according to claim 1, it is characterized in that: described drive part comprises that the drive end hinge is connected in the big connecting rod of corresponding toggle link end (7), hinge is connected in the small rod (13) that big connecting rod is driven end, and the chain drive of vertically arranging that described main shaft drives is arranged, wherein the end that is driven of small rod is connected on the bearing pin of chain drive Transmitted chains, and big connecting rod then is installed on frame (11) by a hinged point and forms leverage.
3. power drive system of power converting machinery according to claim 2 is characterized in that: described chain drive is a roller chain drives mechanism.
4. power drive system of power converting machinery according to claim 3 is characterized in that: described Transmitted chains driving mechanism is that velocity ratio is 1 driving mechanism.
5. power drive system of power converting machinery according to claim 4, it is characterized in that: each small rod is furnished with a pair of chain drive, the chain ring plane parallel of two corresponding chain drives flatly forms the bearing pin of small rod between the described bearing pin of this two Transmitted chains.
6. power drive system of power converting machinery according to claim 5 is characterized in that: chain drive is positioned at the bent axle place side of main shaft, and the drive sprocket axle of chain drive is connected in described main shaft by the plane driving mechanism.
7. power drive system of power converting machinery according to claim 6 is characterized in that: described driving mechanism is a gear drive.
8. power drive system of power converting machinery according to claim 7 is characterized in that: described gear drive is for being formed by a pair of gear engagement, and wherein a gear is coaxial with described main shaft, and the gear shaft of another gear is described drive sprocket axle.
9. according to the arbitrary described power drive system of power converting machinery of claim 2 to 8, it is characterized in that: described big connecting rod links to each other with described crank-connecting rod by a pair of connecting plate (5) that is welded in its drive end both sides.
10. power drive system of power converting machinery according to claim 1 is characterized in that: preferred 90 ° of the angle of the crankweb of two connecting rod necks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020294514XU CN201747882U (en) | 2010-08-17 | 2010-08-17 | Power drive system of power converting machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020294514XU CN201747882U (en) | 2010-08-17 | 2010-08-17 | Power drive system of power converting machinery |
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| Publication Number | Publication Date |
|---|---|
| CN201747882U true CN201747882U (en) | 2011-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020294514XU Expired - Fee Related CN201747882U (en) | 2010-08-17 | 2010-08-17 | Power drive system of power converting machinery |
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| CN (1) | CN201747882U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915294A (en) * | 2010-08-17 | 2010-12-15 | 吕传庆 | Power drive system of power converting machinery |
| CN103035143A (en) * | 2011-09-28 | 2013-04-10 | 方立波 | Novel earthquake experience platform power balance system |
-
2010
- 2010-08-17 CN CN201020294514XU patent/CN201747882U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915294A (en) * | 2010-08-17 | 2010-12-15 | 吕传庆 | Power drive system of power converting machinery |
| CN101915294B (en) * | 2010-08-17 | 2012-12-26 | 吕传庆 | Power drive system of power converting machinery |
| CN103035143A (en) * | 2011-09-28 | 2013-04-10 | 方立波 | Novel earthquake experience platform power balance system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20120817 |