CN107504172B - Gear box anti-disengagement structure - Google Patents
Gear box anti-disengagement structure Download PDFInfo
- Publication number
- CN107504172B CN107504172B CN201710755883.0A CN201710755883A CN107504172B CN 107504172 B CN107504172 B CN 107504172B CN 201710755883 A CN201710755883 A CN 201710755883A CN 107504172 B CN107504172 B CN 107504172B
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- China
- Prior art keywords
- gear
- gear shifting
- gearbox
- limiting
- connecting rod
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/22—Locking of the control input devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses an anti-disengagement structure of a gearbox, which comprises the gearbox and a gear shifting lever connected to the gearbox, wherein the gear shifting lever comprises a connecting rod connected with the gearbox and a gear line connected to the connecting rod, a limiting piece is connected to the gear shifting lever, a limiting groove is formed in the limiting piece, a fixed seat for allowing the gear shifting lever to pass through and preventing the gear shifting lever from moving in the radial direction is arranged on the gearbox, a plurality of positioning holes are formed in the fixed seat, and positioning pieces matched with the limiting groove to prevent the gear shifting lever from moving in the axial direction are arranged in the positioning holes.
Description
Technical Field
The invention belongs to the field of gearboxes, and particularly relates to an anti-disengagement structure of a gearbox.
Background
At present, the agricultural harvester widely uses the gearbox that machinery was shifted, and the gear that finishes is taken place easily in the operation of agricultural harvester and the in-process of traveling to take place to adjust the circumstances of putting out of gear, and after the gearbox was put out of gear, the agricultural harvester that uses hydraulic braking can't rely on hydraulic braking any more, can only rely on the brake to brake, and agricultural harvester quality is great for the in-process of agricultural harvester is difficult to brake, has very big potential safety hazard.
Disclosure of Invention
The invention aims to solve the technical problem of providing a gear-shifting-preventing structure of a gearbox, which can not automatically shift out after shifting gears.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a gearbox anticreep keeps off structure, includes the gearbox and connects the gear lever on the gearbox, the gear lever includes the connecting rod that links to each other with the gearbox and connects the gear line on the connecting rod, is connected with the locating part on the gear lever, has seted up the spacing groove on the locating part, is provided with the fixing base that supplies the gear lever to pass and prevent the gear lever and remove in radial on the gearbox, is provided with a plurality of locating hole on the fixing base, is provided with in the locating hole with the locating part that the spacing groove cooperation is in order to prevent that the gear lever from removing in axial.
Further, an external thread is arranged at one end of the gear line connected with the connecting rod, an internal thread is arranged on the connecting rod, the gear line is in threaded connection with the connecting rod, the limiting piece is a limiting nut, and the limiting nut is fixed on the gear line through the external thread on the gear line.
Further, the limit groove is a blind hole formed in the side wall of the limit nut.
Further, the limit groove is a ring groove formed in the side wall of the limit nut.
Further, the fixing seat comprises a fixing frame detachably connected with the gearbox and a gear-derailing prevention limiting block vertically provided with a plurality of positioning holes.
Further, the gear-derailing prevention limiting block is detachably connected with the fixing frame.
Further, the mount includes the bottom plate that links to each other with the gearbox, supplies the roof that the gear line passed and the connecting plate of connecting roof and bottom plate, all is provided with the through-hole on bottom plate and the roof, and the gear level passes two through-holes.
Further, the gearbox and the fixing frame and the anti-gear-derailing limiting block and the fixing frame are connected through screws.
Further, the locating piece is a locating screw, and the locating screw is fixed in the locating hole through threaded connection.
Further, a tightening nut is arranged between the head of the positioning screw and the outer side wall of the fixing seat.
Compared with the prior art, the invention has the beneficial effects that:
1. after the gear of the gearbox is adjusted through the gear shifting lever, the position limiting groove on the position limiting piece is aligned with the positioning hole, the positioning piece passes through the corresponding positioning hole until penetrating into the position limiting groove to stop, at the moment, the gear shifting lever is limited by the fixing seat, radial movement of the gear shifting lever is prevented, the position limiting piece is abutted against the inner wall of the position limiting groove, axial movement of the gear shifting lever is prevented, when the gearbox vibrates in operation, the gear shifting lever cannot axially or radially move due to vibration, the current gear is firmly kept, namely, gear shifting is prevented, and the safety of the gearbox is enhanced.
2. The external thread of current gear line one end is connected with the internal thread on the connecting rod, through on screwing in the external thread of gear line non-connecting rod with stop nut for the gear level has spacing function on the basis of not changing current gear level structure, and the machine of production gear level need not to open the mould again, reduces manufacturing cost, and the gearbox of finished product has also can install this anticreep structure on current basis, and application scope is wider.
3. When the locating piece penetrates into the blind hole on the side wall of the limit nut, the gear line cannot move along the axial direction, the effect of preventing the gear lever from moving along the axial direction is achieved, meanwhile, the locating piece and the blind hole are matched to prevent the limit nut from freely rotating, and the stability of the gear is guaranteed.
4. When the locating piece penetrates the annular groove on the side wall of the limit nut, the side wall of the locating piece is propped against the side wall of the annular groove, the locating piece fixed on the gear line is prevented from moving along the axial direction of the gear line, namely, the gear lever is prevented from moving along the axial direction, the annular groove is arranged, so that when the limit nut is installed on the gear line, the side wall of the limit nut can be matched with the locating key in a circle, the locating piece is not required to be aligned with the limit groove, and the installation is more convenient and quick.
5. The fixing frame is detachably connected with the gearbox, if parts are damaged, the parts can be detached independently for maintenance and replacement, and the maintenance cost is reduced.
6. The detachable connection between the anti-derailment limiting block and the fixing frame enables the position of the anti-derailment limiting block on the fixing frame to be adjusted, so that the locating piece in the locating hole is better matched with the limiting groove, and meanwhile, the anti-derailment limiting block can be detached independently for maintenance and replacement, and the maintenance cost is reduced.
7. The gear level passes the through-hole on roof and the bottom plate, and the lateral wall of gear line offsets with the through-hole lateral wall on the roof promptly, and the lateral wall of connecting rod offsets with the lateral wall of the through-hole on the bottom plate, and two through-holes prevent that the gear level from taking place radial removal, when the gear is fixed, prevent to make the setting element break away from the spacing groove because of the radial movement of gear level for the gear can firmly be fixed, when the installation, only need pass the roof and the bottom plate of mount with the gear level again fixed the mount can, realize the fixed of gear level through simple two through-hole structures, reduction in production cost.
8. The screw connection makes the connection between gearbox and the mount and between anti-derailment stopper and the mount in firm in connection, and installation and dismantlement are simple swift, reduce installation and dismantlement time, improve production and maintenance efficiency.
9. The positioning screw is in threaded connection with the positioning hole, the positioning screw is screwed into the positioning hole through threads and finally inserted into the limiting groove through the positioning hole, the operation is rapid and convenient, and the gear fixing time is reduced.
10. The nut is tightly connected between the limit screw and the positioning hole, so that the positioning screw is prevented from loosening in the positioning hole and withdrawing from the positioning hole.
Compared with the prior art, the gear shifting device has the advantages that through the cooperation of the limiting piece on the gear shifting lever and the positioning piece of the fixed seat, the gear shifting lever is prevented from moving on the shaft, when the gear shifting box vibrates in operation, the gear shifting lever cannot axially move due to vibration, the current gear is firmly kept, namely, the gear shifting is prevented from being out of gear, and the safety of the gear shifting box is enhanced.
Drawings
The invention is further described with reference to the drawings and detailed description which follow:
FIG. 1 is a schematic illustration of an anti-disengagement structure for a transmission according to the present invention;
FIG. 2 is a partial cross-sectional view of a transmission anti-disengagement structure according to the present invention;
FIG. 3 is an assembly view of a fixing base and a shift lever from one perspective;
fig. 4 is an assembly view of the fixing base and another view angle of the shift lever.
Wherein: 1. a gearbox; 2. a shift lever; 21. a connecting rod; 22. a gear line; 3. a limiting piece; 31. a limit groove; 4. a fixing seat; 41. a fixing frame; 411. a bottom plate; 412. a top plate; 413. a connecting plate; 414. a through hole; 42. an anti-gear-off limiting block; 421. positioning holes; 5. a positioning piece; 6. and tightening the nut.
Detailed Description
An embodiment of a transmission anti-disengagement structure according to the present invention will be further described with reference to fig. 1 to 4.
Embodiment one:
the gear box anti-disengagement structure comprises a gear box 1 and a cylindrical gear shift lever 2 connected to the gear box 1, wherein the central axis of the cylindrical gear shift lever 2 is the axial direction of the gear shift lever 2, the diameter direction of the cylindrical gear shift lever 2 is the radial direction of the gear shift lever 2, the gear shift lever 2 comprises a connecting rod 21 connected with the gear box 1 and a gear line 22 connected with the connecting rod 21, one end of the gear line 22 connected with the connecting rod 21 is provided with external threads, the connecting rod 21 is provided with internal threads, the gear line 22 and the connecting rod 21 are in threaded connection, a limiting piece 3 is connected to the gear shift lever 2, the limiting piece 3 is a limiting nut, the limiting nut is fixed on the gear line 22 through the external threads on the gear line 22, the limiting nut is provided with a limiting groove 31, the limiting groove 31 is a blind hole formed in the side wall of the limiting nut, the limiting nut is screwed into the external thread of the gear line 22, which is not provided with the connecting rod 21, so that the gear lever 2 has a limiting function on the basis of not changing the structure of the existing gear lever 2, a machine for producing the gear lever 2 does not need to be opened again, the production cost is reduced, the gear box 1 which is produced into a finished product can also be provided with the anti-disengagement structure on the basis of the existing technology, the application range is wider, when the positioning piece 5 penetrates into the blind hole in the side wall of the limiting nut, the gear line 22 cannot move axially, the effect of preventing the gear lever 2 from moving axially is achieved, meanwhile, the positioning piece 5 and the blind hole are matched to prevent the limiting nut from freely rotating, and the stability of the gear is ensured; be provided with on gearbox 1 and supply gear lever 2 to pass and prevent gear lever 2 in radial fixed seat 4 that moves, fixed seat 4 includes the mount 41 that passes through screw connection with gearbox 1 and the anticreep shelves stopper 42 that has a plurality of locating hole 421 of vertical arrangement, pass through screw connection between anticreep shelves stopper 42 and the mount 41, make the position of anticreep shelves stopper 42 on mount 41 can adjust, make the setting element 5 in locating hole 421 and the cooperation of spacing groove 31 better, the while anticreep shelves stopper 42 can be dismantled alone and repair and change, reduce cost of maintenance, screw connection installs and dismantles simply swiftly, reduce installation and dismantlement time, improve production and maintenance efficiency, be provided with in the locating hole 421 with the locating slot 31 cooperation in order to prevent gear lever 2 in axial direction moving's setting element 5, the setting element 5 is the set screw, the set screw passes through threaded connection and fixes in locating hole 421, be provided with between the lateral wall of set screw's head and anticreep shelves stopper 42 and tight nut 6, set up and tight nut 6 between set screw and locating hole 421, prevent that the set screw from taking place to withdraw from in locating hole 421 and the locating hole 412 and take place in the locating hole 421 and take place to withdraw from the place, and pass through top plate 412 and bottom plate 412 and top plate 412 and bottom plate 412 are connected with top plate 412 and bottom plate 412 and top plate 412 and bottom plate 411, which pass through the top plate 412 and bottom plate 412 and top plate 412 and bottom plate that are connected with the top plate 412 and top plate and bottom plate 412.
After the gear of the gearbox 1 is adjusted through the gear lever 2, the limit groove 31 on the side wall of the limit nut is observed to align with the positioning hole 421, the limit screw is penetrated through and tightly pressed on the nut 6 and the positioning hole 421 until penetrating into the limit groove 31, the tightening of the limit screw is stopped, at the moment, the side wall of the gear lever 2 is propped against the inner wall of the through hole 414 of the fixing frame 41, the gear lever 2 is prevented from moving radially, the limit screw is propped against the inner wall of the limit groove 31, the gear lever 2 is prevented from moving axially, when the gearbox 1 vibrates in operation, the gear lever 2 cannot move axially or radially because of vibration, the current gear position is firmly kept, namely, the gear position is prevented from being out of gear, and the safety of the gearbox 1 is enhanced.
Embodiment two:
the use of the limiting groove 31 is a ring groove formed on the side wall of the limiting nut, and the limiting groove 31 in the alternative embodiment is a blind hole formed on the side wall of the limiting nut, and the other technical features are the same as those of the first embodiment.
Installing the annular on stop nut, when the locating piece 5 penetrates the annular on the stop nut lateral wall, the lateral wall of locating piece 5 offsets with the lateral wall of annular, prevents to fix the axial displacement along the gear line 22 of locating piece 3 on gear line 22, prevents promptly that gear lever 2 from along axial displacement, and the setting up of annular makes stop nut when installing on the gear line 22, because stop nut lateral wall round all can cooperate so need not to aim at locating piece 5 with spacing groove 31 with the locating key.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (8)
1. The utility model provides a gearbox anticreep keeps off structure, includes the gearbox and connects the gear level on the gearbox, and the gear level includes the connecting rod that links to each other with the gearbox and connects the gear line on the connecting rod, its characterized in that: the gear shifting device is characterized in that a limiting part is connected to the gear shifting rod, a limiting groove is formed in the limiting part, a fixing seat for the gear shifting rod to pass through and preventing the gear shifting rod from moving in the radial direction is arranged on the gear shifting box, a plurality of positioning holes are formed in the fixing seat, a positioning part matched with the limiting groove to prevent the gear shifting rod from moving in the axial direction is arranged in the positioning holes, an external thread is formed in one end, connected with a connecting rod, of the gear shifting line, an internal thread is arranged on the connecting rod, the gear shifting line is in threaded connection with the connecting rod, the limiting part is a limiting nut, and the limiting nut is fixed on the gear shifting line through the external thread on the gear shifting line, and the fixing seat comprises a fixing frame detachably connected with the gear shifting box and an anti-gear shifting limiting block with a plurality of positioning holes in vertical arrangement.
2. The transmission anti-disengagement structure according to claim 1, characterized in that: the limiting groove is a blind hole formed in the side wall of the limiting nut.
3. The transmission anti-disengagement structure according to claim 1, characterized in that: the limiting groove is a ring groove formed in the side wall of the limiting nut.
4. The transmission anti-disengagement structure according to claim 1, characterized in that: the gear-derailing prevention limiting block is detachably connected with the fixing frame.
5. The transmission anti-disengagement structure according to claim 1, characterized in that: the fixing frame comprises a bottom plate connected with the gearbox, a top plate for a gear line to pass through and a connecting plate for connecting the top plate and the bottom plate, through holes are formed in the bottom plate and the top plate, and the gear shift lever passes through the two through holes.
6. A transmission anti-disengagement structure according to claim 4 or 5, characterized in that: the gearbox is connected with the fixing frame through screws, and the gear-derailing prevention limiting block is connected with the fixing frame through screws.
7. A transmission anti-disengagement structure according to any one of claims 1 to 5, characterized in that: the locating piece is a locating screw, and the locating screw is fixed in the locating hole through threaded connection.
8. The transmission anti-disengagement structure as set forth in claim 7, wherein: and a tightening nut is arranged between the head of the positioning screw and the outer side wall of the fixing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710755883.0A CN107504172B (en) | 2017-08-29 | 2017-08-29 | Gear box anti-disengagement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710755883.0A CN107504172B (en) | 2017-08-29 | 2017-08-29 | Gear box anti-disengagement structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107504172A CN107504172A (en) | 2017-12-22 |
| CN107504172B true CN107504172B (en) | 2023-08-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710755883.0A Active CN107504172B (en) | 2017-08-29 | 2017-08-29 | Gear box anti-disengagement structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107504172B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1628046A2 (en) * | 2004-08-16 | 2006-02-22 | Zf Friedrichshafen Ag | Shifting device for a vehicle transmission |
| CN201802854U (en) * | 2010-09-16 | 2011-04-20 | 张丽丽 | Gear locking device |
| CN102937180A (en) * | 2012-11-15 | 2013-02-20 | 奇瑞汽车股份有限公司 | Car shift level structure and car |
| CN103062393A (en) * | 2012-12-24 | 2013-04-24 | 王汝亮 | Gear shifting operating control device for electric vehicle with neutral position |
| CN103115142A (en) * | 2011-11-17 | 2013-05-22 | 常州联发凯迪机械有限公司 | Out-of-gear prevention mechanism for tractor |
| CN203431148U (en) * | 2013-07-18 | 2014-02-12 | 奇瑞重工股份有限公司 | Off-gear preventing shift device of harvester |
| CN104776210A (en) * | 2015-04-22 | 2015-07-15 | 昌邑市宝路达机械制造有限公司 | Gear shifting control mechanism for field management machine |
| CN207364254U (en) * | 2017-08-29 | 2018-05-15 | 浙江亚特电器有限公司 | A kind of anti-off-gear structure of gearbox |
-
2017
- 2017-08-29 CN CN201710755883.0A patent/CN107504172B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1628046A2 (en) * | 2004-08-16 | 2006-02-22 | Zf Friedrichshafen Ag | Shifting device for a vehicle transmission |
| CN201802854U (en) * | 2010-09-16 | 2011-04-20 | 张丽丽 | Gear locking device |
| CN103115142A (en) * | 2011-11-17 | 2013-05-22 | 常州联发凯迪机械有限公司 | Out-of-gear prevention mechanism for tractor |
| CN102937180A (en) * | 2012-11-15 | 2013-02-20 | 奇瑞汽车股份有限公司 | Car shift level structure and car |
| CN103062393A (en) * | 2012-12-24 | 2013-04-24 | 王汝亮 | Gear shifting operating control device for electric vehicle with neutral position |
| CN203431148U (en) * | 2013-07-18 | 2014-02-12 | 奇瑞重工股份有限公司 | Off-gear preventing shift device of harvester |
| CN104776210A (en) * | 2015-04-22 | 2015-07-15 | 昌邑市宝路达机械制造有限公司 | Gear shifting control mechanism for field management machine |
| CN207364254U (en) * | 2017-08-29 | 2018-05-15 | 浙江亚特电器有限公司 | A kind of anti-off-gear structure of gearbox |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107504172A (en) | 2017-12-22 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181112 Address after: 833000 Xinjiang Uygur Autonomous Region, Tacheng District, New Urban Area of Wusu City, No. 997 Beijing East Road Applicant after: XINJIANG BOSHIRAN AGRICULTURE MACHINERY TECHNOLOGY Co.,Ltd. Address before: 314100 No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Applicant before: ZHEJIANG YAT ELECTRICAL APPLIANCE Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 833000 No. 594 East Tarim River Road, New Urban Area, Wusu City, Tacheng District, Xinjiang Uygur Autonomous Region Applicant after: Xinjiang bosheran Intelligent Agricultural Machinery Co.,Ltd. Address before: 833000 Xinjiang Uygur Autonomous Region, Tacheng District, New Urban Area of Wusu City, No. 997 Beijing East Road Applicant before: XINJIANG BOSHIRAN AGRICULTURE MACHINERY TECHNOLOGY Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |