CN102162507B - External multipoint feather key type speed changer - Google Patents
External multipoint feather key type speed changer Download PDFInfo
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- CN102162507B CN102162507B CN 201110036598 CN201110036598A CN102162507B CN 102162507 B CN102162507 B CN 102162507B CN 201110036598 CN201110036598 CN 201110036598 CN 201110036598 A CN201110036598 A CN 201110036598A CN 102162507 B CN102162507 B CN 102162507B
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- axle sleeve
- special
- false key
- pair
- shift fork
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Abstract
The invention discloses an external multipoint feather key type speed changer. The speed change and gear shift functions of the external multipoint feather key type speed changer are realized through a push-and-pull shift fork of a cylinder, and the connection between a special-shaped feather key and shaft sleeves is realized, thereby controlling the shaft sleeves to rotate to drive belt pulleys connected with the two shaft sleeves to rotate; and the meshing or separation of the special-shaped feather key and the belt pulleys is realized through the push-and-pull shift fork, thereby realizing the speed change and gear shift operation. In the invention, because a special-shaped feather key structure is used, the purposes of gear shift and speed change are conveniently and rapidly realized; the manufacturing process and the structure of the speed changer are simplified; the gear shift and the speed change can be easily realized; and the working performance is stable and reliable.
Description
Technical field
The present invention relates to a kind of speed changer, refer in particular to a kind of special-shaped false key structure control can be many external multipoint false key transmission of gears gearshift.
Background technique
The most ordinary gear driving mechanisms that adopt of the speed changer of usefulness are realized at present, generally realize shift speed change by shifting slide gear and clutch etc.Shifting slide gear has again dividing of multi-joint shifting slide gear and displacement shifting slide gear.During with three shifting slide gear speed changes, axial dimension is excessive; During with displacement shifting slide gear speed change, though compact structure, velocity ratio changes little.Clutch engagement type and two kinds of methods realizations of friction type commonly used.When using engaged clutch, speed change should be stopped or speed discrepancy carries out when very little, can carry out speed change during on-stream any speed discrepancy with friction clutcch, but bearing capacity is little, and can not guarantees that diaxon is strictly synchronous.The speed changer of current use will realize that multi-gear transmission needs the structure of two to three axles usually, thereby structure is comparatively complicated, in speed-change process, because slippage and the engagement of gear, thereby noise is also larger.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of external multipoint false key transmission, this speed changer is controlled the speed changer structure of many gear gearshifts by special-shaped false key connecting structure, its gear shifting structure is novel, simple and practical, can by regulating shift fork to different positions, realize conversion and the speed change of different gears.
The technical problem to be solved in the present invention is realized by following structure: external multipoint false key transmission, comprise input belt pulley (1), the transmission shaft (2) that input belt pulley (1) drives and the first axle sleeve (3) that cooperates successively with transmission shaft (2), clutch shaft bearing (4), it is characterized in that: described transmission shaft (2) is by clutch shaft bearing (4), the second bearing (5) is supporting the first axle sleeve (3), the first axle sleeve (3) is supporting the second axle sleeve (7) by the 3rd bearing (6), transmission shaft (2) overcoat has housing (8), transmission shaft (2) is connected with the first support sleeve (9) by flat key, supporting a pair of special-shaped false key (10 by pivot pin in the first support sleeve (9), 11), a pair of special-shaped false key (10,11) successively by the first shift fork (12), the first shift fork cover (13) push-and-pull control, described the first axle sleeve (3), the second axle sleeve (7) respectively with a pair of special-shaped false key (10,11) engagement fit; The described transmission shaft (2) that passes housing (8) is connected with the 3rd axle sleeve (14) by flat key, axle (15) is equipped with the second support sleeve (16) successively, the 4th axle sleeve (17), bearings cover (18), end ring (19), the 3rd axle sleeve (14) is screwed with the second support sleeve (16) and is connected, supporting a pair of special-shaped false key (20 by pivot pin in the second support sleeve (16), 21), the second shift fork (22) push-and-pull control bearing supporting sleeve (18) and the 4th axle sleeve (17), the 4th axle sleeve (17) cooperates a pair of special-shaped false key (20 of control, 21), a pair of special-shaped false key (20,21) cooperate control output belt pulley (23).
The present invention also comprises following structure: described input belt pulley (1) is connected by flat key with transmission shaft (2).The first cylinder (24) connects and controls the first shift fork (13).The second cylinder (25) connects and controls the second shift fork (22).
Working principle of the present invention is: the speed change of external multipoint false key transmission, gearshift function are by the first cylinder (24) first shift forks (13), realize that a pair of special-shaped false key (10,11) is connected with the first axle sleeve (3) or the second axle sleeve (7), thereby control the rotation of the first axle sleeve (3) or the second axle sleeve (7), and then drive the belt pulley rotation that is set on the first axle sleeve (3) or the second axle sleeve (7); By the second cylinder (25) second shift forks (22), realize a pair of special-shaped false key (20,21) and output belt pulley (23) engagement or disengaging, and then realize gear shift work.Details are as follows: when input belt pulley (1) rotates, driving transmission shaft (2) rotates, and when the first shift fork (13) to the right with the first shift fork cover (12) when pushing low order end, the annulus on the first shift fork cover (12) top pulls to axial position with a pair of special-shaped false key (10,11), when its keyway with the first axle sleeve (3) overlaps, a pair of special-shaped false key (10,11) drives edge belt pulley thereon and rotates with the first axle sleeve (3) engagement, the first axle sleeve (3); When the first shift fork (13) left with the first shift fork cover (12) when pushing high order end, the first shift fork cover (12) pushes away a pair of special-shaped false key (10,11) left, and with its jack-up that makes progress, when its keyway with the second axle sleeve (7) overlaps, a pair of special-shaped false key (10,11) drives edge belt pulley thereon and rotates with the second axle sleeve (7) engagement, the second axle sleeve (7).And then reach fast, the effective purpose of gearshift.When the first shift fork (13) during in position as shown in Figure 1, a pair of special-shaped false key (10,11) is in level, be between the first axle sleeve (3) and the second axle sleeve (7), the first axle sleeve (3), the second axle sleeve (7) all do not rotate at this moment, only have transmission shaft (2) idle running.
When the second shift fork (22) by spurring end ring (19) to the right, simultaneously axle (15) is pulled to low order end, spindle nose end face and a pair of special-shaped false key (20 of axle this moment (15), 21) the little facade tension of lower end, make a pair of special-shaped false key (20,21) embrace tightly on axle (15), transmission shaft this moment (2) connects and cooperates the 3rd axle sleeve (14), the 3rd axle sleeve (14) is connected by four retaining screws with the second support sleeve (16), owing to a pair of special-shaped false key (20 this moment, 21) be in disengaged position with output belt pulley (23), transmission shaft this moment (2) idle running; When the second shift fork (22) promotes bearing supporting sleeve (18) left, and then promote the 4th axle sleeve (17) to left movement, a pair of special-shaped false key this moment (20,21) meshes with the keyway of output belt pulley (23), by the rotation of transmission shaft (2), drive output belt pulley (23) and rotate.
Advantage of the present invention is:
1, external multipoint false key transmission by stir the first shift fork (13) left, neutral position and a pair of special-shaped false key of push-and-pull to the right (10,11), control respectively the action that the second axle sleeve (7) rotates, transmission shaft (2) dallies, the first axle sleeve (3) rotates, and realize the gear shift function by the belt pulley that is set on the second axle sleeve (7), the first axle sleeve (3).In like manner, by the second shift fork (22) left, a pair of special-shaped false key of push-and-pull to the right (20,21), control respectively a pair of special-shaped false key (20,21) and the action of exporting belt pulley (23) engagement, breaking away from, thereby realize the function of gear shift.
2, external multipoint false key transmission is by using two pairs of special-shaped false keys to drive respectively different axle sleeves and belt pulley rotation, and then realize dividing gear to export, simplified manufacturing process and the structure of speed changer, because the structure of gearless and clutch, therefore effectively reduced operating noise.
3, external application type multipoint false key transmission has been avoided the labyrinth of traditional shifting slide gear and clutch, has only namely realized convenient, fast, shift speed change purpose like a cork by shift fork push-and-pull abnormity false key.And according to the difference of gearshift progression, can by laterally increasing this bond structure, control the more output of multi-speed exchanged progression.This speed changer structure has just been realized multi-gear transmission with an axle, and simple in structure, and part is easy to processing, has simplified widely manufacturing process, usefulness when being highly suitable for multi-gear transmission, thereby be with a wide range of applications.
Description of drawings
Do for embodiment below in conjunction with accompanying drawing and to describe in further detail:
Fig. 1 is the main sectional view of external multipoint false key transmission.
Fig. 2 is the main sectional view of the first axle sleeve (3).
Fig. 3 is the main sectional view of the second axle sleeve (7).
Fig. 4 is the plan view of the first support sleeve (9).
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the plan view of Fig. 4.
Fig. 7 is the main sectional view of the 3rd axle sleeve (14).
Fig. 8 is the left view of Fig. 7.
Fig. 9 is the main sectional view of the second support sleeve (16).
Figure 10 is the left view of Fig. 9.
Embodiment
As shown in Figure 1, transmission shaft (2) is supporting the first axle sleeve (3) by clutch shaft bearing (4), the second bearing (5), the first axle sleeve (3) is supporting the second axle sleeve (7) by the 3rd bearing (6), and transmission shaft (2) overcoat has housing (8).Such as Fig. 1-shown in Figure 6, transmission shaft (2) is connected with the first support sleeve (9) by flat key, the first support sleeve (9) inner support a pair of special-shaped false key (10,11), a pair of special-shaped false key (10,11) is successively by the first shift fork cover (12), the first shift fork (13) push-and-pull control, described the first axle sleeve (3), the second axle sleeve (7) respectively with a pair of special-shaped false key (10,11) engagement fit.
As shown in Figure 1, the transmission shaft (2) that passes housing (8) is connected with the 3rd axle sleeve (14) by flat key, and axle (15) is equipped with the 4th axle sleeve (17), bearings cover (18), end ring (19) successively.Such as Fig. 1, Fig. 7-shown in Figure 10, the 3rd axle sleeve (14) is screwed with the second support sleeve (16) and is connected, supporting a pair of special-shaped false key (20,21) by pivot pin in the second support sleeve (16), the second shift fork (22) push-and-pull control bearing supporting sleeve (18) and the 4th axle sleeve (17), the 4th axle sleeve (17) cooperates control a pair of special-shaped false key (20,21), and a pair of special-shaped false key (20,21) cooperates control output belt pulley (23).
As shown in Figure 1, input belt pulley (1) is connected by flat key with transmission shaft (2).The first cylinder (24) connects and control push-and-pull the first shift fork (13).The second cylinder (25) connects and control push-and-pull the second shift fork (22).
As shown in Figure 1, when input belt pulley (1) rotates, driving transmission shaft (2) rotates, and when the first shift fork (13) to the right with the first shift fork cover (12) when pushing low order end, the annulus on the first shift fork cover (12) top pulls to axial position with a pair of special-shaped false key (10,11), when its keyway with the first axle sleeve (3) overlaps, a pair of special-shaped false key (10,11) drives edge belt pulley thereon and rotates with the first axle sleeve (3) engagement, the first axle sleeve (3); When the first shift fork (13) left with the first fork cover (12) when pushing high order end, the first shift fork cover (12) pushes away a pair of special-shaped false key (10,11) left, and with its jack-up that makes progress, when its keyway with the second axle sleeve (7) overlaps, a pair of special-shaped false key (10,11) drives edge belt pulley thereon and rotates with the second axle sleeve (7) engagement, the second axle sleeve (7).And then reach fast, the effective purpose of gearshift.When the first shift fork (13) during in position as shown in Figure 1, a pair of special-shaped false key (10,11) is in level, be between the first axle sleeve (3) and the second axle sleeve (7), this moment, the first axle sleeve (3) and the second axle sleeve (7) did not all rotate, and only had transmission shaft (2) idle running.As shown in Figure 1, when the second shift fork (22) by spurring end ring (19) to the right, simultaneously axle (15) is pulled to low order end, spindle nose end face and a pair of special-shaped false key (20 of axle this moment (15), 21) the little facade tension of lower end, make a pair of special-shaped false key (20,21) embrace tightly on axle (15), transmission shaft this moment (2) connects and cooperates the 3rd axle sleeve (14), the 3rd axle sleeve (14) is connected by four retaining screws with the two or two support sleeve (16), owing to a pair of special-shaped false key (20 this moment, 21) be in disengaged position with output belt pulley (23), transmission shaft this moment (2) idle running; When the second shift fork (22) promotes bearing supporting sleeve (18) left, and then promote the 4th axle sleeve (17) to left movement, a pair of special-shaped false key this moment (20,21) meshes with the keyway of output belt pulley (23), by the rotation of transmission shaft (2), drive output belt pulley (23) and rotate.
Claims (4)
1. external multipoint false key transmission, comprise input belt pulley (1), the transmission shaft (2) that input belt pulley (1) drives and the first axle sleeve (3) that cooperates successively with transmission shaft (2), clutch shaft bearing (4), it is characterized in that: described transmission shaft (2) is by clutch shaft bearing (4), the second bearing (5) is supporting the first axle sleeve (3), the first axle sleeve (3) is supporting the second axle sleeve (7) by the 3rd bearing (6), transmission shaft (2) overcoat has housing (8), transmission shaft (2) is connected with the first support sleeve (9) by flat key, supporting a pair of special-shaped false key (10 by pivot pin in the first support sleeve (9), 11), a pair of special-shaped false key (10,11) successively by the first shift fork (12), the first shift fork cover (13) push-and-pull control, described the first axle sleeve (3), the second axle sleeve (7) respectively with a pair of special-shaped false key (10,11) engagement fit; The described transmission shaft (2) that passes housing (8) is connected with the 3rd axle sleeve (14) by flat key, axle (15) is equipped with the second support sleeve (16) successively, the 4th axle sleeve (17), bearings cover (18), end ring (19), the 3rd axle sleeve (14) is screwed with the second support sleeve (16) and is connected, supporting a pair of special-shaped false key (20 by pivot pin in the second support sleeve (16), 21), the second shift fork (22) push-and-pull control bearing supporting sleeve (18) and the 4th axle sleeve (17), the 4th axle sleeve (17) cooperates a pair of special-shaped false key (20 of control, 21), a pair of special-shaped false key (20,21) cooperate control output belt pulley (23).
2. external multipoint false key transmission according to claim 1, it is characterized in that: described input belt pulley (1) is connected by flat key with transmission shaft (2).
3. external multipoint false key transmission according to claim 1 is characterized in that: the first cylinder (24) connects and controls the first shift fork (12).
4. external multipoint false key transmission according to claim 1 is characterized in that: the second cylinder (25) connects and controls the second shift fork (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110036598 CN102162507B (en) | 2011-01-28 | 2011-01-28 | External multipoint feather key type speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110036598 CN102162507B (en) | 2011-01-28 | 2011-01-28 | External multipoint feather key type speed changer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102162507A CN102162507A (en) | 2011-08-24 |
| CN102162507B true CN102162507B (en) | 2013-04-24 |
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ID=44463898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110036598 Expired - Fee Related CN102162507B (en) | 2011-01-28 | 2011-01-28 | External multipoint feather key type speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102162507B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927733A (en) * | 2016-06-20 | 2016-09-07 | 陕西法士特汽车传动集团有限责任公司 | Low-gear boosting type auxiliary box air cylinder |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4809560A (en) * | 1987-10-13 | 1989-03-07 | Kanzaki Kokyukoki Mfg. Co. Ltd. | Key-shift transmission |
| CN101290044A (en) * | 2008-05-26 | 2008-10-22 | 福田雷沃国际重工股份有限公司 | All-meshing type speed variator |
| CN202108964U (en) * | 2011-01-28 | 2012-01-11 | 内蒙古环成科贸发展有限公司 | External multipoint false key transmission |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS643355A (en) * | 1987-06-26 | 1989-01-09 | Iseki Agricult Mach | Speed change gear |
-
2011
- 2011-01-28 CN CN 201110036598 patent/CN102162507B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4809560A (en) * | 1987-10-13 | 1989-03-07 | Kanzaki Kokyukoki Mfg. Co. Ltd. | Key-shift transmission |
| CN101290044A (en) * | 2008-05-26 | 2008-10-22 | 福田雷沃国际重工股份有限公司 | All-meshing type speed variator |
| CN202108964U (en) * | 2011-01-28 | 2012-01-11 | 内蒙古环成科贸发展有限公司 | External multipoint false key transmission |
Non-Patent Citations (1)
| Title |
|---|
| JP昭64-3355A 1989.01.09 |
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| Publication number | Publication date |
|---|---|
| CN102162507A (en) | 2011-08-24 |
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Granted publication date: 20130424 Termination date: 20170128 |