CN203962890U - Double eccentric wheel rocking arm retarder - Google Patents
Double eccentric wheel rocking arm retarder Download PDFInfo
- Publication number
- CN203962890U CN203962890U CN201420393344.9U CN201420393344U CN203962890U CN 203962890 U CN203962890 U CN 203962890U CN 201420393344 U CN201420393344 U CN 201420393344U CN 203962890 U CN203962890 U CN 203962890U
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- China
- Prior art keywords
- eccentric wheel
- rocking arm
- input shaft
- positioning plate
- way element
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Abstract
The utility model discloses a kind of double eccentric wheel rocking arm retarder, positioning plate (4) is set on input shaft (2), one side of this positioning plate (4) is provided with the first eccentric wheel (5), opposite side is provided with the second eccentric wheel (6), the first eccentric wheel (5) and the second eccentric wheel (6) with respect to input shaft (2) be 180 ° symmetrical, the first eccentric wheel (5) is positioned at the shift fork of the first rocking arm (9) one end, the first rocking arm (9) the other end is connected with output shaft (3) by the first one-way element (10), the second eccentric wheel (6) is positioned at the shift fork of the second rocking arm (11) one end, the second rocking arm (11) the other end is connected with output shaft (3) by the second one-way element (12).The utility model is simple in structure, compact, and volume is little, and assembling easily, can realize speed change and regulate under the prerequisite that does not increase any accessory, and speed change adjustment operation is simple, convenient, fast, and the scope that speed ratio regulates is large, can meet the needs of different occasions.
Description
Technical field
The utility model belongs to retarder technical field, specifically, and particularly a kind of double eccentric wheel rocking arm retarder.
Background technique
Retarder is the independently type closed driving device between prime mover and working machine, is used for reducing rotating speed and increases torque, and to meet need of work, in modern mechanical, application is very extensive.The shortcomings such as existing retarder ubiquity noise is large, volume large, wearing and tearing are large, be not easy to safeguard, the manufacturing is more difficult, cost of production is higher, transmission efficiency is lower, and speed ratio regulates and is inconvenience, need in pairs more gear changing, complex operation so on the one hand, waste time and energy, on the other hand, need to be equipped with much to gear, correspondingly increased cost of production; Meanwhile, the scope that the wheeled retarder speed ratio of conventional tooth regulates is less, otherwise can increase volume, is difficult to be contained in original reduction case.
Chinese patent ZL200910104520.6 discloses a kind of crankshaft rocker type speed reducer on January 6th, 2010, this crankshaft rocker type speed reducer consists of casing, bent axle, output shaft, first connecting rod, the first rocking arm, second connecting rod, the second rocking arm, linear bearing and one-way element etc., although can effectively reduce transmission noise and wearing and tearing, but still have the following disadvantages:
1) Crankshaft Machining difficulty is large, whole speed reducer assembling difficulty, and cost of production is higher;
2) action of rocking arm must could realize by linear bearing, also can increase the cost of whole speed reducer;
3) speed ratio regulates and can realize by changing the length of rocking arm or the bias size of crank throw, and regulative mode need to be changed the parts of different size, and not only operation is comparatively loaded down with trivial details, and speed ratio regulation range is less, and needs the component of outfit many, and cost of production is high.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of double eccentric wheel rocking arm retarder easy and simple to handle.
The technical solution of the utility model is as follows: a kind of double eccentric wheel rocking arm retarder, input shaft (2) all supports by bearing and casing (1) mutually with output shaft (3), at described input shaft (2), be positioned on the axle body of casing (1) positioning plate (4) is set, one side of this positioning plate (4) is provided with the first eccentric wheel (5), opposite side is provided with the second eccentric wheel (6), described the first eccentric wheel (5) and the second eccentric wheel (6) with respect to input shaft (2) be 180 ° symmetrical, the hole that the first eccentric wheel (5) and the second eccentric wheel (6) pass through for input shaft (2) is cylindrical void, described the first eccentric wheel (5) is connected with positioning plate (4) by the first bolt (7), the first eccentric wheel (5) is provided with the first mounting hole that a plurality of confession the first bolts (7) are selected, described the second eccentric wheel (6) is connected with positioning plate (4) by the second bolt (8), and the second eccentric wheel (6) is provided with the second mounting hole that a plurality of confession the second bolts (8) are selected, described the first eccentric wheel (5) is positioned at the shift fork of the first rocking arm (9) one end, the setting sleeve of the first rocking arm (9) the other end and the outer ring of the first one-way element (10) are fixed, the inner ring of the first one-way element (10) is set on output shaft (3), described the second eccentric wheel (6) is positioned at the shift fork of the second rocking arm (11) one end, the setting sleeve of the second rocking arm (11) the other end and the outer ring of the second one-way element (12) are fixed, and the inner ring of the second one-way element (12) is set on output shaft (3).
Adopt above technological scheme, input shaft is connected with power source, and rotate under the drive of power source, the first eccentric wheel rotates with input shaft with the second eccentric wheel, when the shift fork of the first eccentric wheel by the first rocking arm end makes the first rocking arm to lower swing (pressing down) work done, the shift fork of the second eccentric wheel by the second rocking arm end drives the second rocking arm upwards to swing (above carrying) simultaneously and enters work done standby condition, such the first rocking arm and the second rocking arm continuously interlock and swing up and down under the drive of input shaft, by one-way element, output shaft is rotated simultaneously, transfer out the power of low-speed big.
The utility model is simple in structure, compact, and component are few, has greatly reduced the volume of whole retarder.The moulding of the non-standard component such as eccentric wheel, rocking arm is simple, is easy to processing and fabricating, when being conducive to assembling, greatly reduces cost of production like this.Because the first eccentric wheel is provided with the first mounting hole that a plurality of confession the first bolts are selected, the second eccentric wheel is provided with the second mounting hole that a plurality of confession the second bolts are selected, when pulling down the first bolt and the second bolt, the first eccentric wheel and the second eccentric wheel are moved relatively or contrarily, while then selecting other mounting hole again to tighten the first bolt and the second bolt (should guarantee simultaneously the first eccentric wheel and the first eccentric wheel all the time with respect to input shaft be 180 ° symmetrical), can change first, the second eccentric wheel is with respect to the offset of input shaft, thereby realized speed change adjusting, speed change adjustment operation is simple on the one hand, convenient, fast, on the other hand, speed change regulates not to be needed to increase any accessory, with low cost.Meanwhile, speed ratio regulation range of the present utility model is large, can reach 4-500, even more than 500, can meet the needs of different occasions.
In order to prevent that eccentric wheel from rotating with respect to input shaft, the middle part of described input shaft (2) is flat-square shaped, and the first eccentric wheel (5), positioning plate (4) and the second eccentric wheel (6) are all sleeved on the flat-square shaped at input shaft (2) middle part.
Described the first eccentric wheel (5) is close to positioning plate (4), by the first nut (13), be locked on input shaft (2), the second eccentric wheel (6) is close to positioning plate (4), by the second nut (14), is locked on input shaft (2).Above structure first, second nut by both sides can be by the first eccentric wheel and the second eccentric wheel axial locking, like this each eccentric shaft to and circumferentially location is reliable, the synchronism of rotating with input shaft is good.
As preferably, described the first eccentric wheel (5) is connected with positioning plate (4) by two the first bolts (7) that are arranged side by side, upper the first mounting hole selected for each first bolt (7) of the first eccentric wheel (5) is 2-5, and the distance between adjacent the first mounting hole of same two-phase on one side equates; Described the second eccentric wheel (6) is connected with positioning plate (4) by two the second bolts (8) that are arranged side by side, upper the second mounting hole selected for each second bolt (8) of the second eccentric wheel (6) is 2-5, and the distance between adjacent the second mounting hole of same two-phase on one side equates.
At the top of described casing (1), offer window (1a), this window (1a) is by top cover (15) sealing, and described top cover (15) is fitted with the end face of casing (1), and passes through bolton.By window, can directly observe the situation of casing inner piece and the oil mass of lubricant oil, so that safeguard in time and add lubricant oil; , by window, can regulate first, second eccentric position meanwhile, not only easy but also laborsaving.
One end of described the first one-way element (10) is spacing by first lining (16) of the upper suit of output shaft (3), annular boss (3a) on the other end of the first one-way element (10) and output shaft (3) reclines, one end of described the second one-way element (12) and annular boss (3a) recline, and the other end is spacing by second lining (17) of the upper suit of output shaft (3).Each one-way element axially locating of above structure is reliable, axial float can not occur.
Beneficial effect: the utility model is simple in structure, compact, and volume is little, assembling is easily, under the prerequisite that does not increase any accessory, can realize speed change regulates, speed change adjustment operation is simple, convenient, fast, and the scope that speed ratio regulates is large, can meet the needs of different occasions.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1, Figure 2, Figure 3 shows, at the top of casing 1, offer window 1a, this window 1a is sealed by top cover 15, and top cover 15 is fitted with the end face of casing 1, and passes through bolton.Input shaft 2 and output shaft 3 parallel, and input shaft 2 all supports by bearing and casing 1 mutually with output shaft 3, and the power intake of input shaft 2 stretches out outside casing 1, and the clutch end of output shaft 3 stretches out casing 1.The middle part of described input shaft 2 is flat-square shaped, on the flat-square shaped at input shaft 2 middle parts, admittedly overlaps positioning plate 4, and plate face and the input shaft 2 of positioning plate 4 are perpendicular.A side at positioning plate 4 is provided with the first eccentric wheel 5, and opposite side is provided with the second eccentric wheel 6.
As shown in Figure 1, Figure 2, Figure 3 shows, the first eccentric wheel 5 is set on the flat-square shaped at input shaft 2 middle parts, and the hole of passing through for input shaft 2 on the first eccentric wheel 5 is cylindrical void, so that change the first eccentric wheel 5 with respect to the offset of input shaft 2.Described the first eccentric wheel 5 is close to positioning plate 4, is locked on input shaft 2 the first nut 13 and input shaft 2 screw-thread fit by the first nut 13.The first eccentric wheel 5 is connected with positioning plate 4 by two the first bolts 7 that are arranged side by side, and the first mounting hole of selecting for each first bolt 7 on the first eccentric wheel 5 is 2-5, with the distance between adjacent the first mounting hole of one side two-phase, equates.
As shown in Figure 1, Figure 2, Figure 3 shows, the second eccentric wheel 6 is set on the flat-square shaped at input shaft 2 middle parts, and the hole of passing through for input shaft 2 on the second eccentric wheel 6 is cylindrical void, so that change the second eccentric wheel 6 with respect to the offset of input shaft 2.Described the second eccentric wheel 6 and the first eccentric wheel 5 with respect to input shaft 2 be 180 ° symmetrical, the second eccentric wheel 6 is close to positioning plate 4, is locked on input shaft 2 the second nut 14 and input shaft 2 screw-thread fit by the second nut 14.The second eccentric wheel 6 is connected with positioning plate 4 by two the second bolts 8 that are arranged side by side, and the second mounting hole of selecting for each second bolt 8 on the second eccentric wheel 6 is 2-5, with the distance between adjacent the second mounting hole of one side two-phase, equates.
As shown in Figure 1, Figure 2, Figure 3 shows, the first eccentric wheel 5 is positioned at the shift fork of first rocking arm 9 one end, the setting sleeve of first rocking arm 9 the other ends is by the fixing also transmitting torque in outer ring of flat key and the first one-way element 10, the inner ring of the first one-way element 10 is set on output shaft 3 by flat key, simultaneously by output shaft 3 transferring power.One end of described the first one-way element 10 is spacing by the first lining 16 of suit on output shaft 3, and the annular boss 3a on the other end of the first one-way element 10 and output shaft 3 reclines.Described the second eccentric wheel 6 is positioned at the shift fork of second rocking arm 11 one end, the setting sleeve of second rocking arm 11 the other ends is by the fixing also transmitting torque in outer ring of flat key and the second one-way element 12, the inner ring of the second one-way element 12 is set on output shaft 3 by flat key, simultaneously by output shaft 3 transferring power.One end of described the second one-way element 12 and annular boss 3a recline, and the other end of the second one-way element 12 is spacing by the second lining 17 of suit on output shaft 3.
Working principle of the present utility model is as follows:
Input shaft 2 rotates under the drive of power source, the first eccentric wheel 5 rotates with input shaft 2 with the second eccentric wheel 6, when the shift fork of the first eccentric wheel 5 by the first rocking arm 9 ends makes the first rocking arm 9 to lower swing (pressing down) work done, the shift fork of the second eccentric wheel 6 by the second rocking arm 11 ends drives the second rocking arm 11 upwards to swing (above carrying) simultaneously and enters work done standby condition, such the first rocking arm 9 and the second rocking arm 11 continuously interlock and swing up and down under the drive of input shaft 2, by one-way element, make output shaft 3 rotations simultaneously, transfer out the power of low-speed big.
The utility model is to realize like this speed ratio to regulate:
Pull down the first bolt 7 and the second bolt 8, the first eccentric wheel 5 and the second eccentric wheel 6 are moved relatively or contrarily with respect to input shaft 2, while then selecting other mounting hole again to tighten the first bolt 5 and the second bolt 6 (should guarantee simultaneously the first eccentric wheel and the first eccentric wheel all the time with respect to input shaft be 180 ° symmetrical), can change first, second eccentric wheel with respect to the offset of input shaft 2, thereby realize speed change adjusting.
Although below by reference to the accompanying drawings preferred embodiment of the present utility model is described; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic rather than determinate; those of ordinary skill in the art is under enlightenment of the present utility model; under the prerequisite without prejudice to the utility model aim and claim; can make like multiple types and representing; as change eccentric moulding; or change the structure of one-way element etc., within such conversion all falls into protection domain of the present utility model.
Claims (6)
1. a double eccentric wheel rocking arm retarder, input shaft (2) all supports by bearing and casing (1) mutually with output shaft (3), it is characterized in that: at described input shaft (2), be positioned on the axle body of casing (1) positioning plate (4) is set, one side of this positioning plate (4) is provided with the first eccentric wheel (5), opposite side is provided with the second eccentric wheel (6), described the first eccentric wheel (5) and the second eccentric wheel (6) with respect to input shaft (2) be 180 ° symmetrical, the hole that the first eccentric wheel (5) and the second eccentric wheel (6) pass through for input shaft (2) is cylindrical void; Described the first eccentric wheel (5) is connected with positioning plate (4) by the first bolt (7), the first eccentric wheel (5) is provided with the first mounting hole that a plurality of confession the first bolts (7) are selected, described the second eccentric wheel (6) is connected with positioning plate (4) by the second bolt (8), and the second eccentric wheel (6) is provided with the second mounting hole that a plurality of confession the second bolts (8) are selected; Described the first eccentric wheel (5) is positioned at the shift fork of the first rocking arm (9) one end, the setting sleeve of the first rocking arm (9) the other end and the outer ring of the first one-way element (10) are fixed, the inner ring of the first one-way element (10) is set on output shaft (3), described the second eccentric wheel (6) is positioned at the shift fork of the second rocking arm (11) one end, the setting sleeve of the second rocking arm (11) the other end and the outer ring of the second one-way element (12) are fixed, and the inner ring of the second one-way element (12) is set on output shaft (3).
2. double eccentric wheel rocking arm retarder according to claim 1, it is characterized in that: the middle part of described input shaft (2) is flat-square shaped, the first eccentric wheel (5), positioning plate (4) and the second eccentric wheel (6) are all sleeved on the flat-square shaped at input shaft (2) middle part.
3. double eccentric wheel rocking arm retarder according to claim 2, it is characterized in that: described the first eccentric wheel (5) is close to positioning plate (4), by the first nut (13), be locked on input shaft (2), the second eccentric wheel (6) is close to positioning plate (4), by the second nut (14), is locked on input shaft (2).
4. double eccentric wheel rocking arm retarder according to claim 1, it is characterized in that: described the first eccentric wheel (5) is connected with positioning plate (4) by two the first bolts (7) that are arranged side by side, upper the first mounting hole selected for each first bolt (7) of the first eccentric wheel (5) is 2-5, and the distance between adjacent the first mounting hole of same two-phase on one side equates; Described the second eccentric wheel (6) is connected with positioning plate (4) by two the second bolts (8) that are arranged side by side, upper the second mounting hole selected for each second bolt (8) of the second eccentric wheel (6) is 2-5, and the distance between adjacent the second mounting hole of same two-phase on one side equates.
5. double eccentric wheel rocking arm retarder according to claim 1, it is characterized in that: at the top of described casing (1), offer window (1a), this window (1a) is sealed by top cover (15), described top cover (15) is fitted with the end face of casing (1), and passes through bolton.
6. double eccentric wheel rocking arm retarder according to claim 1, it is characterized in that: one end of described the first one-way element (10) is spacing by first lining (16) of the upper suit of output shaft (3), annular boss (3a) on the other end of the first one-way element (10) and output shaft (3) reclines, one end of described the second one-way element (12) and annular boss (3a) recline, and the other end is spacing by second lining (17) of the upper suit of output shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420393344.9U CN203962890U (en) | 2014-07-16 | 2014-07-16 | Double eccentric wheel rocking arm retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420393344.9U CN203962890U (en) | 2014-07-16 | 2014-07-16 | Double eccentric wheel rocking arm retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203962890U true CN203962890U (en) | 2014-11-26 |
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ID=51923474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420393344.9U Expired - Fee Related CN203962890U (en) | 2014-07-16 | 2014-07-16 | Double eccentric wheel rocking arm retarder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203962890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088975A (en) * | 2014-07-16 | 2014-10-08 | 杨智勇 | Double-eccentric-gear rocker arm speed reducer with adjustable speed ratio |
-
2014
- 2014-07-16 CN CN201420393344.9U patent/CN203962890U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088975A (en) * | 2014-07-16 | 2014-10-08 | 杨智勇 | Double-eccentric-gear rocker arm speed reducer with adjustable speed ratio |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20150716 |
|
| EXPY | Termination of patent right or utility model |