CN102162507A - External multipoint feather key type speed changer - Google Patents
External multipoint feather key type speed changer Download PDFInfo
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- CN102162507A CN102162507A CN2011100365986A CN201110036598A CN102162507A CN 102162507 A CN102162507 A CN 102162507A CN 2011100365986 A CN2011100365986 A CN 2011100365986A CN 201110036598 A CN201110036598 A CN 201110036598A CN 102162507 A CN102162507 A CN 102162507A
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- axle sleeve
- special
- false key
- shift fork
- transmission shaft
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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 use a kind of special-shaped false key structure control can many gears gearshifts external application multiple spot false key formula speed changer.
Background technique
The most ordinary gear driving mechanisms that adopt of the speed changer that uses are realized at present, generally realize shift speed change by shifting slide gear and clutch etc.Shifting slide gear has the branch of multi-joint shifting slide gear and displacement shifting slide gear again.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, carry out speed change during with can the be on-stream any speed discrepancy of friction clutcch, but bearing capacity is little, and can not guarantees the diaxon strict synchronism.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 the slippage and the engagement of gear, thereby noise is also bigger.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of external application multiple spot false key formula speed changer, this speed changer is controlled the speed changer structure of many gear gearshifts by special-shaped false key connecting structure, its novel structure, simple and practical of shifting gears, can realize the conversion and the speed change of different gears by regulating shift fork to different positions.
The technical problem to be solved in the present invention is realized by following structure: external application multiple spot false key formula speed changer, comprise belt pulley (1), transmission shaft (2) that belt pulley (1) drives and the axle sleeve (3) that cooperates successively with transmission shaft (2), bearing (4), it is characterized in that: before described transmission shaft (2) passes through, rear bearing (4), (5) supporting axle sleeve (3), axle sleeve (3) is supporting axle sleeve (7) by bearing (6), the outer housing (8) that is with of transmission shaft (2), transmission shaft (2) is connected with support sleeve (9) by flat key, supporting a pair of special-shaped false key (10) in the support sleeve (9), (11), abnormity false key (10), (11) successively by shift fork cover (12), shift fork (13) push-and-pull control, described axle sleeve (3), axle sleeve (7) respectively with special-shaped false key (10), (11) engagement fit; The described transmission shaft (2) that passes housing (8) is connected with axle sleeve (14) by flat key, axle (15) is equipped with axle sleeve (17), bearings cover (18), end ring (19) successively, axle sleeve (14) is fixedlyed connected by screw with support sleeve (16), supporting a pair of special-shaped false key (20), (21) by pivot pin in the support sleeve (16), shift fork (22) push-and-pull control bearing supporting sleeve (18) and axle sleeve (17), axle sleeve (17) cooperates control special-shaped false key (20), (21), abnormity false key (20), (21) cooperate control belt pulley (23).
The present invention also comprises following structure: described belt pulley (1) is connected by flat key with transmission shaft (2).Cylinder (24) connects and control push-and-pull shift fork (13).Cylinder (25) connects and control push-and-pull shift fork (22).
Working principle of the present invention is: speed change, the gearshift function of external application multiple spot false key formula speed changer are by cylinder (24) push-and-pull shift fork (13), realize that special-shaped false key (10), (11) are connected with axle sleeve (3) or axle sleeve (7), thereby control axle sleeve (3) or axle sleeve (7) rotation, and then drive the belt pulley rotation that is set on axle sleeve (3) or the axle sleeve (7); By cylinder (25) push-and-pull shift fork (22), realize special-shaped false key (20), (21) and belt pulley (23) engagement or disengaging, and then realize gear shift work.Details are as follows: when belt pulley (1) rotates, driving transmission shaft (2) rotates, and when shift fork (13) to the right with shift fork cover (12) when pushing low order end, the annulus on shift fork cover (12) top pulls to axial position with special-shaped false key (10), (11), when its keyway with axle sleeve (3) overlaps, abnormity false key (10), (11) drive edge belt pulley thereon and rotate with axle sleeve (3) engagement, axle sleeve (3); When shift fork (13) left with shift fork cover (12) when pushing high order end, shift fork cover (12) pushes away special-shaped false key (10), (11) left, and with its jack-up that makes progress, when its keyway with axle sleeve (7) overlaps, abnormity false key (10), (11) drive edge belt pulley thereon and rotate with axle sleeve (7) engagement, axle sleeve (7).And then reach fast, the effective purpose of gearshift.When shift fork (13) during in position as shown in Figure 1, special-shaped false key (10), (11) are in level, are between axle sleeve (3) and the axle sleeve (7), and this moment, axle sleeve (3), axle sleeve (7) did not all rotate, and had only transmission shaft (2) idle running.
When shift fork (22) by spurring end ring (19) to the right, simultaneously axle (15) is pulled to low order end, the little facade tension of the spindle nose end face of axle this moment (15) and special-shaped false key (20), (21) lower end, special-shaped false key (20), (21) are embraced tightly on axle (15), transmission shaft this moment (2) connects and cooperates axle sleeve (14), axle sleeve (14) is connected by four retaining screws with support sleeve (16), because special-shaped false key (20), (21) are in disengaged position with belt pulley (23) at this moment, transmission shaft this moment (2) idle running; When shift fork (22) promotes bearing supporting sleeve (18) left, and then promote axle sleeve (17) to left movement, this moment special-shaped false key (20), (21) with the keyway engagement of belt pulley (23), by the rotation of transmission shaft (2), drive belt pulley (23) and rotate.
Advantage of the present invention is:
1, external application multiple spot false key formula speed changer by stir shift fork (13) left, neutral position and push-and-pull to the right abnormity false key (10), (11), control the action that axle sleeve (7) rotates, transmission shaft (2) dallies, axle sleeve (3) rotates respectively, and realize the gear shift function by the belt pulley that is set on axle sleeve (7), the axle sleeve (3).In like manner, by shift fork (22) left, push-and-pull to the right abnormity false key (20), (21), the action that control special-shaped false key (20), (21) and belt pulley (23) engagement respectively, breaks away from, thus realize the function of gear shift.
2, external application multiple spot false key formula speed changer drives different axle sleeves and belt pulley rotation respectively by using two pairs of special-shaped false keys, and then realize dividing retaining to export, simplified the manufacturing process and the structure of speed changer, because the structure of gearless and clutch, so reduced operating noise effectively.
3, external application type multiple spot false key formula speed changer has been avoided the labyrinth of traditional shifting slide gear and clutch, has only promptly realized convenient, fast, shift speed change purpose like a cork by shift fork push-and-pull abnormity false key.And, can control the more output of multi-speed exchanged progression by laterally increasing this bond structure according to the difference of gearshift 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 manufacturing process widely, 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 that the master of external application multiple spot false key formula speed changer cuts open figure
Fig. 2 is that the master of axle sleeve (3) cuts open figure
Fig. 3 is that the master of axle sleeve (7) cuts open figure
Fig. 4 is the plan view of support sleeve (9)
Fig. 5 is the left view of Fig. 4
Fig. 6 is the plan view of Fig. 4
Fig. 7 is that the master of axle sleeve (14) cuts open figure
Fig. 8 is the left view of Fig. 7
Fig. 9 is that the master of support sleeve (16) cuts open figure
Figure 10 is the left view of Fig. 9
Embodiment
As shown in Figure 1, transmission shaft (2) is supporting axle sleeve (3), axle sleeve (3) by forward and backward bearing (4), (5) and is supporting axle sleeve (7), the outer housing (8) that is with of transmission shaft (2) by bearing (6).As Fig. 1-shown in Figure 6, transmission shaft (2) is connected with support sleeve (9) by flat key, supporting a pair of special-shaped false key (10), (11) in the support sleeve (9), abnormity false key (10), (11) are successively by shift fork cover (12), shift fork (13) push-and-pull control, described axle sleeve (3), axle sleeve (7) respectively with special-shaped false key (10), (11) engagement fit.
As shown in Figure 1, the transmission shaft (2) that passes housing (8) is connected with axle sleeve (14) by flat key, and axle (15) is equipped with axle sleeve (17), bearings cover (18), end ring (19) successively.As Fig. 1, Fig. 7-shown in Figure 10, axle sleeve (14) is fixedlyed connected by screw with support sleeve (16), supporting a pair of special-shaped false key (20), (21) by pivot pin in the support sleeve (16), shift fork (22) push-and-pull control bearing supporting sleeve (18) and axle sleeve (17), axle sleeve (17) cooperates control special-shaped false key (20), (21), abnormity false key (20), (21) cooperate control belt pulley (23).
As shown in Figure 1, belt pulley (1) is connected by flat key with transmission shaft (2).Cylinder (24) connects and control push-and-pull shift fork (13).Cylinder (25) connects and control push-and-pull shift fork (22).
As shown in Figure 1, when belt pulley (1) rotates, driving transmission shaft (2) rotates, and when shift fork (13) to the right with shift fork cover (12) when pushing low order end, the annulus on shift fork cover (12) top pulls to axial position with special-shaped false key (10), (11), when its keyway with axle sleeve (3) overlapped, special-shaped false key (10), (11) drove edge belt pulley thereon and rotate with axle sleeve (3) engagement, axle sleeve (3); When shift fork (13) left with fork cover (12) when pushing high order end, shift fork cover (12) pushes away special-shaped false key (10), (11) left, and with its jack-up that makes progress, when its keyway with axle sleeve (7) overlaps, abnormity false key (10), (11) drive edge belt pulley thereon and rotate with axle sleeve (7) engagement, axle sleeve (7).And then reach fast, the effective purpose of gearshift.When shift fork (13) during in position as shown in Figure 1, special-shaped false key (10), (11) are in level, are between axle sleeve (3) and the axle sleeve (7), and this moment, axle sleeve (3) and axle sleeve (7) did not all rotate, and had only transmission shaft (2) to dally.
As shown in Figure 1, when shift fork (22) by spurring end ring (19) to the right, simultaneously axle (15) is pulled to low order end, the little facade tension of the spindle nose end face of axle this moment (15) and special-shaped false key (20), (21) lower end, special-shaped false key (20), (21) are embraced tightly on axle (15), transmission shaft this moment (2) connects and cooperates axle sleeve (14), axle sleeve (14) is connected by four retaining screws with support sleeve (16), because special-shaped false key (20), (21) are in disengaged position with belt pulley (23) at this moment, transmission shaft this moment (2) idle running; When shift fork (22) promotes bearing supporting sleeve (18) left, and then promote axle sleeve (17) to left movement, this moment special-shaped false key (20), (21) with the keyway engagement of belt pulley (23), by the rotation of transmission shaft (2), drive belt pulley (23) and rotate.
Claims (4)
1. external application multiple spot false key formula speed changer, comprise belt pulley (1), transmission shaft (2) that belt pulley (1) drives and the axle sleeve (3) that cooperates successively with transmission shaft (2), bearing (4), it is characterized in that: before described transmission shaft (2) passes through, rear bearing (4), (5) supporting axle sleeve (3), axle sleeve (3) is supporting axle sleeve (7) by bearing (6), the outer housing (8) that is with of transmission shaft (2), transmission shaft (2) is connected with support sleeve (9) by flat key, supporting a pair of special-shaped false key (10) by pivot pin in the support sleeve (9), (11), abnormity false key (10), (11) successively by shift fork (13), shift fork cover (12) push-and-pull control, described axle sleeve (3), axle sleeve (7) respectively with special-shaped false key (10), (11) engagement fit; The described transmission shaft (2) that passes housing (8) is connected with axle sleeve (14) by flat key, axle (15) is equipped with axle sleeve (17), bearings cover (18), end ring (19) successively, axle sleeve (14) is fixedlyed connected by screw with support sleeve (16), supporting a pair of special-shaped false key (20), (21) by pivot pin in the support sleeve (16), shift fork (22) push-and-pull control bearing supporting sleeve (18) and axle sleeve (17), axle sleeve (17) cooperates control special-shaped false key (20), (21), and special-shaped false key (20), (21) cooperate control belt pulley (23).
2. external application multiple spot false key formula speed changer according to claim 1, it is characterized in that: described belt pulley (1) is connected by flat key with transmission shaft (2).
3. external application multiple spot false key formula speed changer according to claim 1 is characterized in that: cylinder (24) connects and control push-and-pull shift fork (13).
4. external application multiple spot false key formula speed changer according to claim 1 is characterized in that: cylinder (25) connects and control push-and-pull 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 true CN102162507A (en) | 2011-08-24 |
| CN102162507B CN102162507B (en) | 2013-04-24 |
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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 |
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| Country | Link |
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| CN (1) | CN102162507B (en) |
Cited By (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 (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS643355A (en) * | 1987-06-26 | 1989-01-09 | Iseki Agricult Mach | Speed change gear |
| 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 |
-
2011
- 2011-01-28 CN CN 201110036598 patent/CN102162507B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS643355A (en) * | 1987-06-26 | 1989-01-09 | Iseki Agricult Mach | Speed change gear |
| 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 |
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102162507B (en) | 2013-04-24 |
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Granted publication date: 20130424 Termination date: 20170128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |