CN204572331U - A kind of New-type cycloidal oil hydraulic motor - Google Patents
A kind of New-type cycloidal oil hydraulic motor Download PDFInfo
- Publication number
- CN204572331U CN204572331U CN201520212744.XU CN201520212744U CN204572331U CN 204572331 U CN204572331 U CN 204572331U CN 201520212744 U CN201520212744 U CN 201520212744U CN 204572331 U CN204572331 U CN 204572331U
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- oil
- output shaft
- valve
- housing
- valve pocket
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Abstract
A kind of New-type cycloidal oil hydraulic motor disclosed in the utility model, comprise housing, protecgulum, cycloidal pin wheel set and bonnet, output shaft is provided with in housing, cycloidal pin wheel set comprises stators and rotators, valve pocket and guiding valve is arranged with successively between housing and output shaft, the rear end of valve pocket is extended with loop connecting portion, is formed with active chamber between loop connecting portion, stator, rotor and bonnet; The outer wall of valve pocket is circumferentially set side by side with the first logical oil groove and the second logical oil groove, and the bottom land of the first logical oil groove is provided with some first oil throughs, and the bottom land of the second logical oil groove is provided with some second oil throughs; Guiding valve and output shaft are in transmission connection by flat key, and the outer wall of guiding valve is respectively arranged with some first distributing grooves and the second distributing groove; Be provided with needle bearing A between protecgulum and output shaft, between the rear end of valve pocket and output shaft, be provided with needle bearing B.The utility model is simple and reasonable, and can bear larger radial force, stable work in work, mechanical efficiency is higher.
Description
Technical field
The utility model relates to oil hydraulic motor technical field, particularly a kind of New-type cycloidal oil hydraulic motor.
Background technique
Cycloid hydraulic motor is the transmission device realizing liquid-machine transformation of energy, compared with the oil hydraulic motor of other types, the advantages such as cycloid hydraulic motor has that structure is simple, compact, light quality, torque are large, are therefore widely used in the equipment such as plastics machinery, engineering machinery, handling machinery, fishery machinery and special purpose machine tool.But along with the development of machinery industry, under many operating modes, require that cycloid hydraulic motor can bear larger radial force, and traditional axle distributing cycloid hydraulic motor due to the radial clearance of its pintle and housing minimum, there will be between pintle and housing when output shaft is subject to larger radial force and kill phenomenon, cause the situation that cannot normally work; In addition, also there is the low defect of mechanical efficiency in axle distributing cycloid hydraulic motor, causes there is significant limitation in using process, cannot meet the actual user demand of user.
Model utility content
The purpose of this utility model is defect for prior art and deficiency, provide a kind of simple and reasonable, larger radial force, stable work in work, New-type cycloidal oil hydraulic motor that mechanical efficiency is higher can be born.
For achieving the above object, the utility model is by the following technical solutions:
A kind of New-type cycloidal oil hydraulic motor described in the utility model, comprise housing, the protecgulum be fixedly connected with described housing, cycloidal pin wheel set and bonnet, described housing is respectively arranged with hydraulic fluid port A and hydraulic fluid port B, output shaft and couple axle is respectively arranged with in described housing, the front end of described output shaft is passed described protecgulum and is stretched out in the outside of described housing, front end and the described output shaft of described couple axle are connected with a joggle, described cycloidal pin wheel set comprises stator, with the rotor of described stator corresponding matching, the rear end of described stator is fixedly connected with described bonnet, rear end and the described rotor of described couple axle are connected with a joggle, valve pocket and guiding valve is arranged with successively from outside to inside between described housing and described output shaft, the rear end of described valve pocket is extended with loop connecting portion, the front end of described stator is fixedly connected with described housing by described loop connecting portion, described loop connecting portion, described stator, active chamber is formed between described rotor and described bonnet, the outer wall of described valve pocket is circumferentially set side by side with the first logical oil groove be connected with described hydraulic fluid port A, the second logical oil groove be connected with described hydraulic fluid port B, the bottom land of the described first logical oil groove is provided with some first oil throughs, the bottom land of the described second logical oil groove is provided with some second oil throughs, the inwall of described first oil through, all through described valve pocket of described second oil through, described guiding valve and described output shaft are in transmission connection by flat key, the outer wall of described guiding valve is respectively arranged with some first distributing grooves be communicated with described first oil through, some second distributing grooves be communicated with described second oil through, and described first distributing groove and described second distributing groove are in being crisscross arranged, be respectively arranged with to be communicated with the first oil circuit of described first distributing groove and described active chamber in described valve pocket, be communicated with the second oil circuit of described second distributing groove and described active chamber, be provided with needle bearing A between described protecgulum and described output shaft, between the rear end of described valve pocket and described output shaft, be provided with needle bearing B.
Further, leakage of oil chamber is formed between described bonnet, described rotor, described valve pocket and described output shaft, the first one-way valve and the second one-way valve is respectively arranged with in described loop connecting portion, the input end of described first one-way valve, the input end of described second one-way valve are all communicated with described leakage of oil chamber, the output terminal of described first one-way valve is connected with described hydraulic fluid port A, and the output terminal of described second one-way valve is connected with described hydraulic fluid port B.
Further, the inwall of described guiding valve is provided with the first keyway matched with described flat key, the outer wall of described output shaft is provided with the second keyway matched with described flat key, described flat key is arranged between described first keyway and described second keyway, and is all formed with radial clearance between the bottom land of the bottom land of described flat key and described first keyway, described second keyway.
Further, thrust bearing assembly is provided with between described housing and described output shaft.
The beneficial effects of the utility model are: a kind of New-type cycloidal oil hydraulic motor that the utility model provides, during work, be described to rotate forward working state, when in hydraulic fluid port A during oil-feed, hydraulic oil is successively through the first logical oil groove, first oil through, first distributing groove, first oil circuit enters in active chamber, and then drive rotor to rotate relative to stator, rotor drives output shaft rotation when rotating by couple axle, realize Power output, while output shaft rotation, output shaft is yet rotated by flat key band movable pulley, thus realize uninterruptedly joining oil continuously, and then ensure continous-stable work of the present utility model, in utility model works process, hydraulic oil in active chamber is then successively through the second oil circuit, second distributing groove, second oil through, second logical oil groove, hydraulic fluid port B is expelled in fuel tank, the utility model is by arranging needle bearing A and needle bearing B respectively, when output shaft is subject to higher radial force, needle bearing A and needle bearing B can effectively eliminate this radial force, thus avoid output shaft and guiding valve, occur because radial force is excessive between guiding valve and valve pocket killing phenomenon, also effectively improve mechanical efficiency of the present utility model simultaneously.
In sum, the utility model by setting gradually valve pocket and guiding valve between housing and output shaft, compared with traditional axle flow oil hydraulic motor, larger radial force can be born in utility model works process, stable work in work, and mechanical efficiency is higher, effectively meet the actual user demand of user.
Accompanying drawing explanation
Fig. 1 is overall sectional structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of the utility model valve pocket;
Fig. 3 is the structural representation of the utility model guiding valve;
Fig. 4 is the installation theory structure schematic diagram of the utility model flat key.
In Fig. 1 to Fig. 4:
1, housing; 11, hydraulic fluid port A; 12, hydraulic fluid port B; 13, thrust bearing assembly; 2, protecgulum; 21, needle bearing A; 3, stator; 4, rotor; 5, bonnet; 6, output shaft; 61, the second keyway; 7, couple axle; 8, valve pocket; 81, loop connecting portion; 811, the first one-way valve; 812, the second one-way valve; 82, the first logical oil groove; 821, the first oil through; 83, the second logical oil groove; 831, the second oil through; 84, the first oil circuit; 85, the second oil circuit; 86, needle bearing B; 9, guiding valve; 91, the first distributing groove; 92, the second distributing groove; 93, the first keyway; 10, flat key; S, active chamber; T, leakage of oil chamber.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
A kind of New-type cycloidal oil hydraulic motor as shown in Figures 1 to 4, comprise housing 1, the protecgulum 2 be fixedly connected with housing 1, cycloidal pin wheel set and bonnet 5, housing 1 is respectively arranged with hydraulic fluid port A11 and hydraulic fluid port B12, output shaft 6 and couple axle 7 is respectively arranged with in housing 1, the front end of output shaft 6 is passed protecgulum 2 and is stretched out in the outside of housing 1, front end and the output shaft 6 of couple axle 7 are connected with a joggle, cycloidal pin wheel set comprises stator 3, with the rotor 4 of stator 3 corresponding matching, the rear end of stator 3 is fixedly connected with bonnet 5, rear end and the rotor 4 of couple axle 7 are connected with a joggle, valve pocket 8 and guiding valve 9 is arranged with from outside to inside successively between housing 1 and output shaft 6, it is to be noted, in order to avoid the utility model operationally transmits radial load, valve pocket 8 during assembling, radial clearance is formed between guiding valve 9 and output shaft 6, the rear end of valve pocket 8 is extended with loop connecting portion 81, the front end of stator 3 is fixedly connected with housing 1 by loop connecting portion 81, loop connecting portion 81, stator 3, active chamber S is formed between rotor 4 and bonnet 5.
The outer wall of valve pocket 8 is circumferentially set side by side with the first logical oil groove 82 be connected with hydraulic fluid port A11, be connected with hydraulic fluid port B12 second logical oil groove 83, the bottom land of the first logical oil groove 82 is provided with some first oil throughs 821, the bottom land of the second logical oil groove 83 is provided with some second oil throughs 831, first oil through 821, the inwall of all through valve pocket 8 of the second oil through 831, specifically, in order to ensure the stability of utility model works, first oil through 821, the quantity of the second oil through 831 all arranges seven, and seven the first oil throughs 821 are circumferentially evenly laid in the bottom land of the first logical oil groove 82, seven the second oil throughs 831 are circumferentially evenly laid in the bottom land of the second logical oil groove 83.
Guiding valve 9 and output shaft 6 are in transmission connection by flat key 10, the outer wall of guiding valve 9 is respectively arranged with some first distributing grooves 91 be communicated with the first oil through 821, some second distributing grooves 92 be communicated with the second oil through 831, first distributing groove 91 and the second distributing groove 92 are in being crisscross arranged, specifically, the quantity of the first distributing groove 91 and the second distributing groove 92 respectively arranges six, and the first distributing groove 91 and the second distributing groove 92 are evenly laid on the outer wall of guiding valve 9; Be respectively arranged with to be communicated with first oil circuit 84 of the first distributing groove 91 and active chamber S in valve pocket 8, be communicated with second oil circuit 85 of the second distributing groove 92 and active chamber S.
Working principle of the present utility model is: when needs the utility model rotates forward, oil-feed in hydraulic fluid port A11, hydraulic oil is successively through the first logical oil groove 82, first oil through 821, first distributing groove 91, first oil circuit 84 enters in active chamber S, and then drive rotor 4 to rotate relative to stator 3, rotor 4 drives output shaft 6 to rotate when rotating by couple axle 7, realize Power output, while output shaft 6 rotates, output shaft 6 is yet with movable pulley 9 to rotate by flat key 10, thus realize uninterruptedly joining oil continuously, and then ensure continous-stable work of the present utility model, in utility model works process, hydraulic oil in active chamber S is then successively through the second oil circuit 85, second distributing groove 92, second oil through 831, second logical oil groove 83, hydraulic fluid port B12 is expelled in fuel tank, in like manner, when needs the utility model reverses, oil-feed in hydraulic fluid port B12, hydraulic oil enters in active chamber S through the second logical oil groove 83, second oil through 831, second distributing groove 92, second oil circuit 85 successively, thus realizing power reverse output, the hydraulic oil in active chamber S is then expelled in fuel tank through the logical oil groove 82 of the first oil circuit 84, first distributing groove 91, first oil through 821, first, hydraulic fluid port A11 successively.
Needle bearing A21 is provided with between protecgulum 2 and output shaft 6, needle bearing B86 is provided with between the rear end of valve pocket 8 and output shaft 6, the utility model is by arranging needle bearing A21 and needle bearing B86 respectively, when output shaft 6 is subject to higher radial force, needle bearing A21 and needle bearing B86 can effectively eliminate this radial force, thus avoid output shaft 6 and guiding valve 9, occur because radial force is excessive between guiding valve 9 and valve pocket 8 killing phenomenon, also effectively improve mechanical efficiency of the present utility model simultaneously.
Leakage of oil chamber T is formed between bonnet 5, rotor 4, valve pocket 8 and output shaft 6, the first one-way valve 811 and the second one-way valve 812 is respectively arranged with in loop connecting portion 81, the input end of the first one-way valve 811, the input end of the second one-way valve 812 are all communicated with leakage of oil chamber T, the output terminal of the first one-way valve 811 is connected with hydraulic fluid port A11, and the output terminal of the second one-way valve 812 is connected with hydraulic fluid port B12.Make because bonnet 5, rotor 4, valve pocket 8 and output shaft 6 are rigid material, make when rotating under the effect of rotor 4 at oil pressure, a part of fluid in active chamber S can leak out in the T of leakage of oil chamber, then can affect normal work of the present utility model when the oil pressure in the T of leakage of oil chamber is too high.The effect of the first one-way valve 811 and the second one-way valve 812 is: when the oil pressure in the T of leakage of oil chamber is excessive, discharges the fluid in the T of leakage of oil chamber by respective one-way valve, thus realizes the effect of easing stress to leakage of oil chamber T, to ensure normal work of the present utility model.Specifically, under the utility model rotates forward working state, when the oil pressure in the T of leakage of oil chamber is excessive, a part of fluid is expelled to hydraulic fluid port B12 through the second one-way valve 812, thus realizes the fast decompression to leakage of oil chamber T inner fluid; In like manner, when the utility model reversion work, the hydraulic oil in the T of leakage of oil chamber flow in hydraulic fluid port A11 through the first one-way valve 811, realizes the fast decompression to leakage of oil chamber T inner fluid.By arranging the first one-way valve 811 and the second one-way valve 812, avoiding external oil discharge pipe, saving required installing space, and making the utility model entirety more attractive in appearance.
The inwall of guiding valve 9 is provided with the first keyway 93 matched with flat key 10, the outer wall of output shaft 6 is provided with the second keyway 61 matched with flat key 10, flat key 10 is arranged between the first keyway 93 and the second keyway 61, and is all formed with radial clearance between the bottom land of flat key 10 and the first keyway 93 bottom land, the second keyway 61.By making flat key 10 and the first keyway 93, second keyway 61 all in Spielpassung, when output shaft 6 rotates, both ensure that the transmission of power between output shaft 6 and guiding valve 9, also avoid output shaft 6 by radial load transfer to guiding valve 9 simultaneously, further ensure stability during utility model works.
Be provided with thrust bearing assembly 13 between housing 1 and output shaft 6, by arranging thrust bearing assembly 13, effectively reduce the mechanical friction in utility model works process, improve mechanical efficiency of the present utility model.
The above is only better embodiment of the present utility model, therefore all equivalences done according to structure, feature and the principle described in the utility model patent claim change or modify, and are included in the utility model patent claim.
Claims (4)
1. a New-type cycloidal oil hydraulic motor, comprise housing, the protecgulum be fixedly connected with described housing, cycloidal pin wheel set and bonnet, described housing is respectively arranged with hydraulic fluid port A and hydraulic fluid port B, output shaft and couple axle is respectively arranged with in described housing, the front end of described output shaft is passed described protecgulum and is stretched out in the outside of described housing, front end and the described output shaft of described couple axle are connected with a joggle, described cycloidal pin wheel set comprises stator, with the rotor of described stator corresponding matching, the rear end of described stator is fixedly connected with described bonnet, rear end and the described rotor of described couple axle are connected with a joggle, it is characterized in that: between described housing and described output shaft, be arranged with valve pocket and guiding valve successively from outside to inside, the rear end of described valve pocket is extended with loop connecting portion, the front end of described stator is fixedly connected with described housing by described loop connecting portion, described loop connecting portion, described stator, active chamber is formed between described rotor and described bonnet, the outer wall of described valve pocket is circumferentially set side by side with the first logical oil groove be connected with described hydraulic fluid port A, the second logical oil groove be connected with described hydraulic fluid port B, the bottom land of the described first logical oil groove is provided with some first oil throughs, the bottom land of the described second logical oil groove is provided with some second oil throughs, the inwall of described first oil through, all through described valve pocket of described second oil through, described guiding valve and described output shaft are in transmission connection by flat key, the outer wall of described guiding valve is respectively arranged with some first distributing grooves be communicated with described first oil through, some second distributing grooves be communicated with described second oil through, and described first distributing groove and described second distributing groove are in being crisscross arranged, be respectively arranged with to be communicated with the first oil circuit of described first distributing groove and described active chamber in described valve pocket, be communicated with the second oil circuit of described second distributing groove and described active chamber, be provided with needle bearing A between described protecgulum and described output shaft, between the rear end of described valve pocket and described output shaft, be provided with needle bearing B.
2. New-type cycloidal oil hydraulic motor according to claim 1, it is characterized in that: between described bonnet, described rotor, described valve pocket and described output shaft, be formed with leakage of oil chamber, the first one-way valve and the second one-way valve is respectively arranged with in described loop connecting portion, the input end of described first one-way valve, the input end of described second one-way valve are all communicated with described leakage of oil chamber, the output terminal of described first one-way valve is connected with described hydraulic fluid port A, and the output terminal of described second one-way valve is connected with described hydraulic fluid port B.
3. New-type cycloidal oil hydraulic motor according to claim 1, it is characterized in that: the inwall of described guiding valve is provided with the first keyway matched with described flat key, the outer wall of described output shaft is provided with the second keyway matched with described flat key, described flat key is arranged between described first keyway and described second keyway, and is all formed with radial clearance between the bottom land of the bottom land of described flat key and described first keyway, described second keyway.
4. New-type cycloidal oil hydraulic motor according to claim 1, is characterized in that: be provided with thrust bearing assembly between described housing and described output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520212744.XU CN204572331U (en) | 2015-04-10 | 2015-04-10 | A kind of New-type cycloidal oil hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520212744.XU CN204572331U (en) | 2015-04-10 | 2015-04-10 | A kind of New-type cycloidal oil hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204572331U true CN204572331U (en) | 2015-08-19 |
Family
ID=53864979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520212744.XU Expired - Fee Related CN204572331U (en) | 2015-04-10 | 2015-04-10 | A kind of New-type cycloidal oil hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204572331U (en) |
-
2015
- 2015-04-10 CN CN201520212744.XU patent/CN204572331U/en not_active Expired - Fee Related
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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: 20150819 Termination date: 20210410 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |