CN204805437U - Speed reducer and mechanical device - Google Patents
Speed reducer and mechanical device Download PDFInfo
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- CN204805437U CN204805437U CN201520332652.5U CN201520332652U CN204805437U CN 204805437 U CN204805437 U CN 204805437U CN 201520332652 U CN201520332652 U CN 201520332652U CN 204805437 U CN204805437 U CN 204805437U
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- speed reducer
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Abstract
The utility model relates to a speed reducer and mechanical device, this speed reducer (1) includes: one input shaft (21), a first driving chain mechanism (22) includes: one first output shaft (224), M first jackshaft (221, 222, 223), gear engagement is passed through in input shaft (21), M first jackshaft (221, 222, 223) and first output shaft (224), and M is the positive integer, a secondary drive chain mechanism (23) includes: one second output shaft (234), an idler (230a), a N second jackshaft (231, 232, 233), input shaft (21), idler (230a), a N second jackshaft (231, 232, 233) and second output shaft (234) are through gear engagement, and N is the positive integer, | N -M| is the even number. Like this, the direction of rotation of first output shaft is opposite with second output shaft's direction of rotation, and first output shaft and the two output of second output shaft has a high synchronism.
Description
Technical field
The utility model relates to speed reducer field, particularly relates to speed reducer and the mechanical device comprising this speed reducer.
Background technique
Speed reducer is a kind of speed reduction gearing for playing coupling rotating speed and transmitting torque effect between prime mover and working machine or actuator.Speed reducer is used widely in multiple field, as industries such as metallurgical, coloured, coal, building materials, boats and ships, water conservancy, electric power, engineering machinery and petrochemical industry.The application of speed reducer in the cylinder press of paper industry is exactly one of them example.Traditional cylinder press uses two speed reducers to carry out to drive respectively with two motors two main shafts of working machine.First motor is wherein connected with first main shaft of working machine by First speed reducer, rotate (clockwise or counterclockwise) along first direction to drive first main shaft of this working machine, second motor is connected with second main shaft of working machine by second speed reducer, rotates (counterclockwise or clockwise) along second direction to drive second main shaft of this working machine.Two main shafts of such working machine rotate towards contrary direction, thus play the effect of shove.
Model utility content
One of the purpose of this utility model is to provide the speed reducer comprising two output shafts, and these two output shafts have high synchronism.
An aspect of the present utility model provides speed reducer, comprising: an input shaft; First driving chain mechanism, comprising: first output shaft; M the first jack shaft, input shaft, M the first jack shaft and the first output shaft are by gears meshing, and M is positive integer; Second driving chain mechanism, comprising: second output shaft; An idle pulley; N number of second jack shaft, input shaft, idle pulley, N number of second jack shaft and the second output shaft are by gears meshing, and N is positive integer, | N-M| is even number.Like this, the sense of rotation of the first output shaft is contrary with the sense of rotation of the second output shaft, and both the first output shaft and the second output shaft export there is high synchronism.
In the schematic mode of execution of the another kind of speed reducer, the line in the axle center of input shaft, a M axle center of the first jack shaft and the axle center of the first output shaft is polyline shaped, and the line in the axle center of input shaft, the axle center of idle pulley, the axle center of N number of second jack shaft and the axle center of the second output shaft is polyline shaped.The size of speed reducer (width direction) in the Y direction can be reduced like this, make speed reducer structure compacter, reduce the installing space of speed reducer.
In another schematic mode of execution of speed reducer, input shaft, idle pulley, N number of second jack shaft and the second output shaft sequentially pass through gears meshing successively.Idle pulley engages with input shaft, and because the size of usual input shaft is less, idle pulley also can do less, reduces volume.
In another schematic mode of execution of speed reducer, total speed ratio of the first driving chain mechanism is equal with total speed ratio of the second driving chain mechanism.The two is connected with same input shaft again, makes the first output shaft identical with the rotating speed of the second output shaft.
In another schematic mode of execution of speed reducer, M=N.Such first driving chain mechanism and the second driving chain mechanism progression difference little, make speed reducer overall structure balanced.
In another schematic mode of execution of speed reducer, in the first driving chain mechanism, the speed ratio of every one-level is identical with the speed ratio of one-level every in the second driving chain mechanism.Can make like this first driving chain mechanism and the second driving chain mechanism structure more balanced, export more balanced.
In another schematic mode of execution of speed reducer, M=1 or 2 or 3, N=1 or 2 or 3.Speed reducer is made to obtain good balance like this between total speed ratio and total volume.
Of the present utility modelly another aspect provides, mechanical device, comprising: above-mentioned speed reducer; Power plant, are connected with the input shaft of speed reducer; A working machine, comprise first main shaft and second main shaft, the first main shaft is connected with the first output shaft of speed reducer, and the second main shaft is connected with the second output shaft of speed reducer.The sense of rotation of the first output shaft is contrary with the sense of rotation of the second output shaft, and both the first output shaft and the second output shaft export there is high synchronism.
Accompanying drawing explanation
Hereafter also come by reference to the accompanying drawings to be further described the above-mentioned characteristic of the utility model, technical characteristics, advantage and implementation thereof by description of a preferred embodiment by clearly understandable mode, wherein:
The detonation configuration schematic diagram of the speed reducer that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the schematic diagram observing driving mechanism in Fig. 1 middle shell along the X direction;
Fig. 3 is the sectional structure schematic diagram of Fig. 2 along AA ';
The mechanical device structure block diagram that Fig. 4 provides for the utility model embodiment.
Label declaration:
1 speed reducer
2 power plant
3 working machine 31 first main shaft 32 second main shafts
10 housings
20 driving mechanisms
The gear of 21 input shaft 21a input shafts
22 first driving chain mechanisms
221,222,223 first jack shafts
221a, 222a, 223a first input gear of jack shaft
221b, 222b, 223b first output gear of jack shaft
The gear of 224 first output shaft 224a first output shafts
23 second driving chain mechanisms
230 idler shaft 230a idle pulleys
231,232,233 second jack shafts
231a, 232a, 233a second input gear of jack shaft
231b, 232b, 233b second output gear of jack shaft
The gear of 234 second output shaft 234a second output shafts
Embodiment
In order to the technical characteristics to model utility, object and effect have understanding clearly, now contrast accompanying drawing and embodiment of the present utility model is described, label identical in the various figures represents identical part.
Each figure discussed below and be used to the principle of the present disclosure be described in this patent file various embodiments only by way of illustration and in no case should be construed as limiting the scope of the present disclosure.It will be understood to those of skill in the art that and can implement principle of the present disclosure in the equipment of any suitable layout.The various innovative teachings of the application are described with reference to exemplary non-limiting embodiments.
In this article, " schematically " expression " serves as example, example or explanation ", not should by being described to any diagram of " schematically " in this article, mode of execution is interpreted as a kind of preferred or have more the technological scheme of advantage.
For making simplified form, only schematically show the part relevant to the utility model in each figure, they do not represent its practical structures as product.In addition, be convenient to make simplified form understand, there are the parts of same structure or function in some figure, schematically show only one of them, or only marked one of them.
The detonation configuration schematic diagram of the speed reducer that Fig. 1 provides for the utility model embodiment.As can be seen from Figure 1, this speed reducer 1 comprises a housing 10 and a driving mechanism 20 be assemblied in housing 10.This housing 10 comprises a bottom surface, four sides and an end face.Bottom surface and top surface being parallel are in X-Y plane.Wherein two sides are parallel to Y-Z plane, and two other side is parallel to Y-Z plane.
Fig. 2 is the schematic diagram observing driving mechanism in Fig. 1 middle shell along the X direction.Fig. 3 is the sectional structure schematic diagram of Fig. 2 along AA '.Composition graphs 1, Fig. 2 and Fig. 3 are known, and this driving mechanism 20 comprises an input shaft 21, first driving chain mechanism 22 and second driving chain mechanism 23.
This first driving chain mechanism 22 comprises: first output shaft 224; M the first jack shaft 221,222,223, M is positive integer.With M=3 in figure, namely the first driving chain mechanism 22 comprises 3 the first jack shafts 221,222,223 is example, but not as limit.Such as, M=1 or 2 or 3 or .....The value of M can be carried out balance and be considered between total speed ratio and total volume.M value is less, and fewer from the transmission progression of input shaft 21 to the first output shaft 224, the structure of speed reducer is simpler, volume is less, but total speed ratio is less; M value is larger, and more from the transmission progression of input shaft 21 to the first output shaft 224, the structure of speed reducer is more complicated, volume is larger, but total speed ratio is also larger.Input shaft 21, M the first jack shaft 221,222,223 and first output shaft 224 passes through gears meshing.Specifically, speed reducer 1 also comprises the gear 21a of input shaft, coaxial with input shaft 21 and be fixedly connected with.It should be noted that, the gear of setting forth in present specification is fixedly connected with axle, represents and can not produce relative displacement in a rotational direction between gear and axle.In a schematic mode of execution, the mode that gear is fixedly connected with axle can be that the two is structure as a whole, or adopts key to connect therebetween.Hereafter no longer repeat to set forth about in the Placement of gear and axle.First driving chain mechanism 22 also comprises the input gear 221a of the first order first the jack shaft 221 and output gear 221b of the first order first jack shaft 221, and the two is all fixedly connected with the first order first jack shaft 221; The input gear 222a of the second level first the jack shaft 222 and output gear 222b of the second level first jack shaft 222, the two is all fixedly connected with the second level first jack shaft 222; The input gear 223a of the third level first the jack shaft 223 and output gear 223b of the third level first jack shaft 223, the two is all fixedly connected with the third level first jack shaft 223; The gear 224a of the first output shaft 224, is fixedly connected with the first output shaft 224.The input gear 221a of the first order first jack shaft 221 engages with the gear 21a of input shaft 21, the input gear 222a of the second level first jack shaft 222 engages with the output gear 221b of the first order first jack shaft 221, the input gear 223a of the third level first jack shaft 223 engages with the output gear 222b of the second level first jack shaft 222, and the gear 224a of the first output shaft 224 engages with the output gear 223b of the third level first jack shaft 223.Like this, the power of external equipment (as motor) is transferred to by M the first jack shaft the product that total speed ratio (or being referred to as velocity ratio) of the first output shaft 224, first driving chain mechanism 22 is each gear-stage velocity ratio by input shaft 21 step by step.
This second driving chain mechanism 23 comprises: second output shaft 234; An idle pulley 230a; N number of second jack shaft 231,232,233, N is positive integer.With N=3 in figure, namely the second driving chain mechanism 23 comprises 3 the first jack shafts 221,222,223 is example, but not as limit.Such as, N=1 or 2 or 3 or .....The value of N can be carried out balance and be considered between total speed ratio and total volume.N value is less, and fewer from the transmission progression of input shaft 21 to the second output shaft 234, the structure of speed reducer is simpler, volume is less, but total speed ratio is less; N value is larger, and more from the transmission progression of input shaft 21 to the second output shaft 234, the structure of speed reducer is more complicated, volume is larger, but total speed ratio is also larger.Input shaft 21, idle pulley 230a, N number of second jack shaft 231,232,233 and second output shaft 234 pass through gears meshing.Specifically, the second driving chain mechanism 23 also comprises idler shaft 230, is fixedly connected with idle pulley 230a; The input gear 231a of the first order second the jack shaft 231 and output gear 231b of the first order second jack shaft 231, the two is all fixedly connected with the first order second jack shaft 231; The input gear 232a of the second level second the jack shaft 232 and output gear 232b of the second level second jack shaft 232, the two is all fixedly connected with the second level second jack shaft 232; The input gear 233a of the third level second the jack shaft 233 and output gear 233b of the third level second jack shaft 223, the two is all fixedly connected with the third level second jack shaft 233; The gear 234a of the second output shaft 234, is fixedly connected with the second output shaft 234.Idle pulley 230a engages with the gear 21a of input shaft 21, the input gear 231a of the first order second jack shaft 231 engages with idle pulley 230a, the input gear 232a of the second level second jack shaft 232 engages with the output gear 231b of the first order second jack shaft 231, the input gear 233a of the third level second jack shaft 233 engages with the output gear 232b of the second level second jack shaft 232, and the gear 234a of the second output shaft 234 engages with the output gear 233b of the third level second jack shaft 223.Like this, the power of external equipment (as motor) is transferred to by idle pulley and N number of second jack shaft the product that total speed ratio (or being referred to as velocity ratio) of the second output shaft 234, second driving chain mechanism 23 is each gear-stage velocity ratio by input shaft 21 step by step.
In addition, | N-M| (i.e. the absolute value of N-M) is even number (comprising 0).Like this, because idle pulley changes the sense of rotation of output shaft, between first driving chain mechanism 22 and the second driving chain mechanism 23, progression difference is odd number, and the two is connected with same input shaft, and therefore the sense of rotation of the first output shaft 224 is contrary with the sense of rotation of the second output shaft 234.Meanwhile, because the first driving chain mechanism 22 is connected with same input shaft 21 with the second driving chain mechanism 23, improve the synchronism that both the first output shaft 224 and the second output shaft 234 export.In a schematic mode of execution, M=N, such first driving chain mechanism 22 and the second driving chain mechanism 23 progression difference little (differing from an idle pulley), make speed reducer overall structure balanced.
In a schematic mode of execution, the speed ratio that total speed ratio of the first driving chain mechanism 22 is total with the second driving chain mechanism 23 is equal, and the two is connected with same input shaft again, makes the first output shaft 224 identical with the rotating speed of the second output shaft 234.In a schematic mode of execution, M=N, and in the first driving chain mechanism 22, the speed ratio of every one-level is identical with the speed ratio of one-level (except idle pulley) every in the second driving chain mechanism 23.Only change the sense of rotation of output shaft due to idle pulley but do not change speed ratio, total speed ratio of the second driving chain mechanism 23 and idle pulley have nothing to do, so total speed ratio of the first driving chain mechanism 22 speed ratio total with the second driving chain mechanism 23 is equal, can make like this first driving chain mechanism 22 and the second driving chain mechanism 23 structure more balanced, export more balanced.
Schematically show a mode of execution in Fig. 2, input shaft 21, idle pulley 230a, N number of second jack shaft 231,232,233 and second output shaft 234 sequentially pass through gears meshing successively.Idle pulley 230a engages with input shaft 21, and because the size of usual input shaft 21 is less, idle pulley 230a also can do less, reduces volume.But not as limit, in other schematic mode of executions, idle pulley 230a is in input shaft 21, N number of second jack shaft, the second output shaft 234 between any two axles.In addition, schematically show a mode of execution in Fig. 2, idle pulley is one; But not as limit, in other schematic mode of executions, idle pulley has a plurality of.
Continue with reference to figure 2, the line in the axle center of input shaft 21, a M axle center of the first jack shaft 221,222,223 and the axle center of the first output shaft 224 is polyline shaped (the first broken line), and the line in the axle center of input shaft 21, the axle center of idle pulley 230a, N number of axle center of the second jack shaft 231,232,233 and the axle center of the second output shaft 234 is polyline shaped (the second broken line).The shaft axis of each axle and the shaft axis of gear are all parallel to X-direction, vertically about Y-direction and Z-direction; The axle center of each axle and the axle center of gear are the projection of corresponding shaft axis on same plane (Y-Z plane).Each axis parallel arrangement, but be not all positioned at a plane.First broken line all has projection components with Z-direction in the Y direction, second broken line all has projection components with Z-direction in the Y direction, the size of speed reducer 1 (width direction) in the Y direction can be reduced like this, make speed reducer 1 more compact structure, reduce the installing space of speed reducer 1.
The mechanical device structure block diagram that Fig. 4 provides for the utility model embodiment.As can be seen from Figure 4, this mechanical device comprises above-mentioned speed reducer 1; Power plant 2, are connected with the input shaft 21 of speed reducer 1; A working machine 3, comprises first main shaft 31 and second main shaft 32, first main shaft 31 and is connected the second main shaft 32 with the first output shaft 224 of speed reducer 1 and is connected with the second output shaft 234 of speed reducer 1.In a schematic mode of execution, this mechanical device is cylinder press.In a schematic mode of execution, these power plant 2 are motor.In a schematic mode of execution, be connected by coupling (not shown) between this first main shaft 31 with the first output shaft 224, between the second main shaft 32 with the second output shaft 234, between motor 2 with input shaft 21.
Be to be understood that, although this specification describes according to each mode of execution, but not each mode of execution only comprises an independently technological scheme, this narrating mode of specification only for clarity sake, those skilled in the art should by specification integrally, technological scheme in each mode of execution also through appropriately combined, can form other mode of executions that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only illustrating for possible embodiments of the present utility model; they are also not used to limit protection domain of the present utility model, all do not depart from the utility model skill Equivalent embodiments of doing of spirit or change all should be included within protection domain of the present utility model.
Claims (8)
1. speed reducer, is characterized in that, comprising:
An input shaft (21);
First driving chain mechanism (22), comprising:
First output shaft (224);
M the first jack shaft (221,222,223), described input shaft (21), M the first jack shaft (221,222,223) and the first output shaft (224) are by gears meshing, and M is positive integer;
Second driving chain mechanism (23), comprising:
Second output shaft (234);
An idle pulley (230a);
N number of second jack shaft (231,232,233), described input shaft (21), idle pulley (230a), N number of second jack shaft (231,232,233) and the second output shaft (234) pass through gears meshing, N is positive integer, | N-M| is even number.
2. speed reducer as claimed in claim 1, it is characterized in that, the line in the axle center of described input shaft (21), a M axle center of the first jack shaft (221,222,223) and the axle center of the first output shaft (224) is polyline shaped, and the line in the axle center of described input shaft (21), the axle center of idle pulley (230a), the axle center of N number of second jack shaft (231,232,233) and the axle center of the second output shaft (234) is polyline shaped.
3. speed reducer as claimed in claim 1, it is characterized in that, input shaft (21), idle pulley (230a), N number of second jack shaft (231,232,233) and the second output shaft (234) sequentially pass through gears meshing successively.
4. speed reducer as claimed in claim 1, it is characterized in that, total speed ratio of described first driving chain mechanism (22) is equal with total speed ratio of described second driving chain mechanism (23).
5. speed reducer as claimed in claim 4, is characterized in that, M=N.
6. speed reducer as claimed in claim 5, it is characterized in that, in the first driving chain mechanism (22), the speed ratio of every one-level is identical with the speed ratio of one-level every in the second driving chain mechanism (23).
7. speed reducer as claimed in claim 5, is characterized in that, M=1 or 2 or 3, N=1 or 2 or 3.
8. mechanical device, is characterized in that, comprising:
A speed reducer (1) as described in any one of claim 1-7;
A power plant (2), is connected with the input shaft (21) of described speed reducer (1);
A working machine (3), comprise first main shaft (31) and second main shaft (32), described first main shaft (31) is connected with first output shaft (224) of described speed reducer (1), and described second main shaft (32) is connected with second output shaft (234) of described speed reducer (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520332652.5U CN204805437U (en) | 2015-05-21 | 2015-05-21 | Speed reducer and mechanical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520332652.5U CN204805437U (en) | 2015-05-21 | 2015-05-21 | Speed reducer and mechanical device |
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| Publication Number | Publication Date |
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| CN204805437U true CN204805437U (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520332652.5U Active CN204805437U (en) | 2015-05-21 | 2015-05-21 | Speed reducer and mechanical device |
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| CN (1) | CN204805437U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438852A (en) * | 2016-08-30 | 2017-02-22 | 江苏泰隆减速机股份有限公司 | Five-roller flattener distribution box |
-
2015
- 2015-05-21 CN CN201520332652.5U patent/CN204805437U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438852A (en) * | 2016-08-30 | 2017-02-22 | 江苏泰隆减速机股份有限公司 | Five-roller flattener distribution box |
| CN106438852B (en) * | 2016-08-30 | 2018-01-02 | 江苏泰隆减速机股份有限公司 | A kind of five-roll machine distributor box |
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Address after: 300400 Tianjin Road, Beichen Economic Development Zone, Beichen, Chen Zhong Road, No. 18A Patentee after: The transmission system Co. Ltd. Address before: 300400 Tianjin Road, Beichen Economic Development Zone, Beichen, Chen Zhong Road, No. 18A Patentee before: SIEMENS Mechanical Transmission (Tianjin) Co., Ltd. |