CN204372143U - A kind of shifting operating device of automatically controlled transfer case - Google Patents
A kind of shifting operating device of automatically controlled transfer case Download PDFInfo
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- CN204372143U CN204372143U CN201420865704.0U CN201420865704U CN204372143U CN 204372143 U CN204372143 U CN 204372143U CN 201420865704 U CN201420865704 U CN 201420865704U CN 204372143 U CN204372143 U CN 204372143U
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Abstract
The utility model discloses a kind of shifting operating device of automatically controlled transfer case, comprise shift motor, the output terminal of shift motor is connected with retarder, and the output terminal of retarder is connected with camshaft, and camshaft is arranged with cam; Cam is provided with locking track and high and low shift track groove, and is fixed with cam dog, and the part that camshaft stretches out cam is provided with the elastic structure of actuating cam block; The bottom of described differential locking support is fixed with differential locking roller, and differential locking roller is arranged in locking track, and be fixed with high and low shift roller bottom described high and low shift shift fork, high and low shift roller is arranged in high and low shift track groove.By the routing motion of roller and track groove and track, promote shift fork target approach gear, when avoiding driver's manual shift, not according to the misoperation that transfer case gearshift sequencing causes, quick gear shift operation accurately can be realized.
Description
Technical field
The utility model relates to technical field of automobile parts, is specifically related to a kind of shifting operating device of automatically controlled transfer case.
Background technique
Along with the development of automobile market, people are more and more general for the driving demand of cross-country road conditions, and how shaft-driven automobile gets more and more.The power distribution relying on transfer case to be exported by speed changer due to how shaft-driven automobile is to each ransaxle, and manual transfer case needs driver's manual switchover gear position of transfer case under the cross-country road conditions of complexity, takes into account other operation systems of vehicle simultaneously.Such one side proposes high requirement to driving technology, and on the other hand because the switching between gear position of transfer case has strict sequencing, manual shift easily occurs misoperation.
Model utility content
The utility model is exactly for above-mentioned technical problem, and provide a kind of shifting operating device of automatically controlled transfer case, this device can solve above-mentioned technical problem, realizes gearshift by the electric control structure of appropriate design.
For realizing this object, the shifting operating device of the automatically controlled transfer case designed by the utility model, comprise declutch shift shaft, one end of declutch shift shaft is fixed with stop nut, declutch shift shaft is arranged with high and low shift shift fork, differential locking shift fork, differential locking support, spring fixator, differential moves back grade spring and differential enters a grade spring; Differential moves back grade spring between stop nut and differential locking support, spring fixator is between the baffle plate of two pieces, the left and right of differential locking support, the two ends, left and right of spring fixator are fixed at the two ends that differential enters grade spring, the bottom of differential locking shift fork is between the baffle plate of two pieces, the left and right of spring anchorage bracket, it is characterized in that: it also comprises shift motor, the output terminal of shift motor is connected with retarder, and the output terminal of retarder is connected with camshaft, and camshaft is arranged with cam; Cam is provided with locking track and high and low shift track groove, and is fixed with cam dog, and the part that camshaft stretches out cam is provided with the elastic structure of actuating cam block; The bottom of described differential locking support is fixed with differential locking roller, and differential locking roller is arranged in locking track, and be fixed with high and low shift roller bottom described high and low shift shift fork, high and low shift roller is arranged in high and low shift track groove.
Further, described elastic structure comprises the elastic support sheet being fixed on camshaft mandrel end and the wind spring be sheathed on camshaft, and the two ends of wind spring are bent upwards to be formed and promote block, and described cam dog and elastic support sheet promote between block at two pieces.
Further, described elastic support sheet comprises the fixed disc fixing with camshaft, and the side of fixed disc is connected with the positive stop vertical with fixed disc, and positive stop promotes between block at two pieces.
Further, described promotion block comprises first of outside to be promoted second of block and inner side and promotes block, the part that described cam dog stretches out cam has the block groove promoting block with first and coordinate.
Further, described locking track is arranged on the end face of one end of cam, and described high and low shift track groove is opened in the other end of cam, and described cam dog is fixed on the other end of cam.
Further, described locking track comprises non-locking guide surface, non-locking guide surface is connected with the high-grade locking plane of zero axial stroke, high-grade locking plane is connected with the non-locking cambered surface with axial stroke, non-locking cambered surface is connected with the low-grade locking plane of zero axial stroke, and the end of low-grade locking plane is connected with low-grade locking guide surface.
Further, described high and low shift track groove is spiral chute, comprise high-grade groove, high-grade groove is connected with the high-grade stroke groove section of zero axial stroke, high-grade stroke groove section is connected with the neutral stroke groove section with axial stroke, neutral stroke groove section is connected with the low-grade stroke groove section of zero axial stroke, and the end of low-grade stroke groove section is connected with low-grade groove.
Further, described high-grade groove and non-locking guide surface correspondence, described high-grade stroke groove section is corresponding with high-grade locking plane, and described neutral stroke groove Duan Yufei Locking arc face is corresponding, described low-grade stroke groove section is corresponding with low-grade locking plane, and described low-grade groove is corresponding with low-grade locking guide surface.
Further, described retarder is provided with motor position encoder.
The beneficial effects of the utility model are: by the routing motion of roller and track groove and track, promote shift fork target approach gear, the transfer sequence of each gear is determined by the track groove on cam and track, avoid the shift fork when gearshift meets with obstruction push away to enter gear make motor gamble turn, cause the damage of motor and operating mechanism; Rotated by elastic structure actuating cam, avoid being rigidly connected of motor reducer output terminal and cam, when gearshift meets obstructions, the elastic potential energy being converted to wind spring stores in a buffer by the Driving Torque of motor, be with moving cam to rotate when resistance reduces, thus promotion shifting-fork gear-shifting, improve the working life of shifting operating device.When avoiding driver's manual shift, not according to the misoperation that transfer case gearshift sequencing causes, and greatly simplify driver switches gear position of transfer case operation at complex road surface, quick gear shift operation accurately can be realized.
Accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of shifting operating device in the utility model;
Fig. 2 is the structural representation at the shifting operating device back side in the utility model;
Fig. 3 is the structural representation of the utility model Elastic vibrational power flow on cam;
Fig. 4 is the axonometric drawing in the utility model cam direction;
Fig. 5 is the axonometric drawing in another direction of the utility model cam;
Fig. 6 is the front view of the utility model cam end;
Fig. 7 is the plan view of the utility model cam;
Fig. 8 is the plan view after Fig. 7 cam of the present utility model rotates to an angle;
Fig. 9 is that Fig. 8 cam of the present utility model continues the plan view after rotating to an angle;
Figure 10 is that Fig. 9 cam of the present utility model continues the plan view after rotating to an angle;
Wherein, 100-declutch shift shaft, 101-stop nut, 102-high and low shift shift fork, 103-differential locking shift fork, 104-differential locking support, 105-spring fixator, 106-differential moves back a grade spring, 107-differential enters a grade spring, 108-shift motor, 109-retarder, 110-motor position encoder, 111-camshaft, 112-cam, 113-locking track, 113.1-non-locking guide surface, 113.2-high-grade locking plane, 113.3-non-locking cambered surface, 113.4-low-grade locking plane, 113.5-low-grade locking guide surface, 114-high and low shift track groove, 114.1-high-grade groove, 114.2-high-grade stroke groove section, 114.3-neutral stroke groove section, 114.4-low-grade stroke groove section, 114.5-low-grade groove, 115-cam dog, 116-differential locking roller, 117-high and low shift roller, 118-elastic support sheet, 118.1-fixed disc, 118.2-positive stop, 119-wind spring, 120-the first promotes block, 121-the second promotes block, 122-block groove.
Embodiment
Below in conjunction with the drawings and specific embodiments, detailed description is further done to the utility model:
The shifting operating device of the automatically controlled transfer case as shown in Fig. 1-2, comprise declutch shift shaft 100, one end of declutch shift shaft 100 is fixed with stop nut 101, declutch shift shaft 100 is arranged with high and low shift shift fork 102, differential locking shift fork 103, differential locking support 104, spring fixator 105, differential moves back grade spring 106 and differential enters grade spring 107; Differential moves back grade spring 106 between stop nut 101 and differential locking support 104, spring fixator 105 is between the baffle plate of two pieces, the left and right of differential locking support 104, the two ends, left and right of spring fixator 105 are fixed at the two ends that differential enters grade spring 107, the bottom of differential locking shift fork 103 is between the baffle plate of two pieces, the left and right of spring anchorage bracket 105, shifting operating device also comprises shift motor 108, the output terminal of shift motor 108 is connected with retarder 109, the output terminal of retarder 109 is connected with camshaft 111, camshaft 111 is arranged with cam 112; Cam 112 is provided with locking track 113 and high and low shift track groove 114, and is fixed with cam dog 115, and the part that camshaft 111 stretches out cam 112 is provided with the elastic structure of actuating cam block 115; The bottom of described differential locking support 104 is fixed with differential locking roller 116, differential locking roller 116 is arranged in locking track 113, be fixed with high and low shift roller 117 bottom described high and low shift shift fork 102, high and low shift roller 117 is arranged in high and low shift track groove 114.By shift motor 108 and retarder 109 drive cam shaft 111, camshaft 111 is with moving cam 112 to rotate, and by coordinating of the track groove on cam 112 and roller, realizes the movement of selector fork, thus realizes gearshift, avoids misoperation during manual shift.
In technique scheme, described locking track 113 is arranged on the end face of one end of cam 112, and described high and low shift track groove 114 is opened in the other end of cam 112, and described cam dog 115 is fixed on the other end of cam 112.
In technique scheme, retarder 109 is provided with motor position encoder 110.
In technique scheme, as shown in Figure 3, elastic structure comprises the elastic support sheet 118 being fixed on camshaft 111 end and the wind spring 119 be sheathed on camshaft 111, the two ends of wind spring 119 are bent upwards to be formed and promote block, and cam dog 115 and elastic support sheet 118 promote between block at two pieces.By promoting block actuating cam block 115, thus cam 112 is rotated, this avoid being rigidly connected of motor and cam 112, when resistance of shifting gears is larger, there is deformation in wind spring 119, the kinetic energy storage exported by motor is in the elastic potential energy of wind spring 119, and when block resistance power to be changed reduces, actuating cam 112 rotates, complete gearshift, avoid shift motor 108 stall and gearshift to damage.Wind spring 119 can use the elastic components such as torsion spring to replace, and therefore elastic structure has various structures form, is easy to manufacture.
In technique scheme, elastic support sheet 118 comprises the fixed disc 118.1 fixing with camshaft 111, and the side of fixed disc 118.1 is connected with the positive stop vertical with fixed disc 118.1
118.2, positive stop 118.2 promotes between block at two pieces.The position of cam dog 115 is limited further by the structure of positive stop 118.2, ensure the working stability of cam dog 115, positive stop 118.2 is also the power intake of elastic structure simultaneously, positive stop 118.2 acts on and promotes, on block, promotion block actuating cam block 115 to be rotated.
In technique scheme, as shown in Fig. 3-6, promote block and comprise first of outside and promote second of block 120 and inner side and promote block 121, the part that cam dog 115 stretches out cam 112 has the block groove 122 promoting block 120 with first and coordinate.By the structure of block groove 122, further ensure and promote coordinating of block and cam dog 115.
In technique scheme, as shown in Fig. 7-10, locking track 113 comprises non-locking guide surface 113.1, non-locking guide surface 113.1 is connected with the high-grade locking plane 113.2 of zero axial stroke, high-grade locking plane 113.2 is connected with the non-locking cambered surface 113.3 with axial stroke, non-locking cambered surface 113.3 is connected with the low-grade locking plane 113.4 of zero axial stroke, and the end of low-grade locking plane 113.4 is connected with low-grade locking guide surface 113.5.
In technique scheme, high and low shift track groove 114 is spiral chute, comprise high-grade groove 114.1, high-grade groove 114.1 is connected with the high-grade stroke groove section 114.2 of zero axial stroke, high-grade stroke groove section 114.2 is connected with the neutral stroke groove section 114.3 with axial stroke, neutral stroke groove section 114.3 is connected with the low-grade stroke groove section 114.4 of zero axial stroke, and the end of low-grade stroke groove section 114.4 is connected with low-grade groove 114.5.
In technique scheme, high-grade groove 114.1 and non-locking guide surface 113.1 correspondence, high-grade stroke groove section 114.2 is corresponding with high-grade locking plane 113.2, neutral stroke groove section 114.3 is corresponding with non-locking cambered surface 113.3, low-grade stroke groove section 114.4 is corresponding with low-grade locking plane 113.4, and low-grade groove 114.5 is corresponding with low-grade locking guide surface 113.5.By high and low shift track groove 114 and the locking track 113 of appropriate design, ensure that the position one_to_one corresponding of two shift forks at each gear, structural stability, ensure that gearshift effect.
Shift process of the present utility model is: shift motor 108 drives retarder 109, retarder 109 drive cam shaft 111 is rotated, camshaft 111 driving cam 112 rotates, coordinating by roller and track groove the movement realizing shift fork, is that initial gear is described four gears (H, HL, N, L) with H shelves below:
H shelves: high and low shift roller 117 is arranged in high-grade groove 114.1, now differential locking roller 116 is positioned on non-locking guide surface 113.1, now high and low shift shift fork 102 coordinates with high and low shift sliding gear collar, the high-grade gear teeth meshing of high and low shift sliding gear collar and transfer case input shaft axle sleeve, differential locking shift fork 103 overlaps with the differential locking shift fork of planet differential mechanism and coordinates, now planet differential mechanism is in non-lockup state, and transfer case is positioned at H shelves.
HL shelves: cam 112 rotates to an angle, high and low shift roller 117 is arranged in high-grade stroke groove section 114.2, differential locking roller 116 is positioned in high-grade locking plane 113.2, high and low shift shift fork 102 coordinates with high and low shift sliding gear collar, the high-grade gear teeth meshing of high and low shift sliding gear collar and transfer case input shaft axle sleeve
Differential locking shift fork 103 overlaps with the differential locking shift fork of planet differential mechanism and coordinates, and now planet differential mechanism is in lockup state, and transfer case is positioned at HL shelves.
N shelves: cam 112 rotates to an angle, high and low shift roller 117 is arranged in neutral stroke groove section 114.3, differential locking roller 116 is positioned in non-locking cambered surface 113.3, high and low shift shift fork 102 coordinates with high and low shift sliding gear collar, high and low shift sliding gear collar is not in engagement, differential locking shift fork 103 overlaps 102 with the differential locking shift fork of planet differential mechanism and coordinates, and now planet differential mechanism is in non-lockup state, and transfer case is positioned at N shelves.
L shelves: cam 112 rotates to an angle, when high and low shift roller 117 is arranged in low-grade stroke groove section 114.4, differential locking roller 116 is positioned in low-grade locking plane 113.4, and when high and low shift roller 117 is arranged in low-grade groove 114.5, differential locking roller 116 is positioned on low-grade locking guide surface 113.5.The low-grade gear teeth meshing of high and low shift shift fork 102 and planetary gear speed reducing mechanism, differential locking shift fork 103 overlaps with the differential locking shift fork of planet differential mechanism and coordinates, and now planet differential mechanism is in lockup state, and transfer case is positioned at L shelves.
When transfer case enters grade, differential enters grade spring 107 and acts on differential locking shift fork 103, differential locking shift fork 103 is moved, realize the gearshift locking of differential mechanism, when transfer case moves back grade, differential moves back grade spring 106 and acts on differential locking support 104, differential locking roller 116 and locking track 113 is compressed mutually, ensure that structure stability.Electric control operation of the present utility model is simple, effectively prevent motor rotation blockage and people is misoperation.
The above; be only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the utility model; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, the protection domain that protection domain of the present utility model should limit with claims is as the criterion.
Claims (9)
1. the shifting operating device of an automatically controlled transfer case, comprise declutch shift shaft (100), one end of declutch shift shaft (100) is fixed with stop nut (101), declutch shift shaft (100) is arranged with high and low shift shift fork (102), differential locking shift fork (103), differential locking support (104), spring fixator (105), differential moves back a grade spring (106) and differential enters a grade spring (107), differential moves back a grade spring (106) and is positioned between stop nut (101) and differential locking support (104), spring fixator (105) is positioned between two pieces, the left and right baffle plate of differential locking support (104), the two ends, left and right of spring fixator (105) are fixed at the two ends that differential enters a grade spring (107), the bottom of differential locking shift fork (103) is positioned between two pieces, the left and right baffle plate of spring anchorage bracket (105), it is characterized in that: it also comprises shift motor (108), the output terminal of shift motor (108) is connected with retarder (109), the output terminal of retarder (109) is connected with camshaft (111), camshaft (111) is arranged with cam (112), cam (112) is provided with locking track (113) and high and low shift track groove (114), and being fixed with cam dog (115), the part that camshaft (111) stretches out cam (112) is provided with the elastic structure of actuating cam block (115), the bottom of described differential locking support (104) is fixed with differential locking roller (116), differential locking roller (116) is arranged in locking track (113), described high and low shift shift fork (102) bottom is fixed with high and low shift roller (117), and high and low shift roller (117) is arranged in high and low shift track groove (114).
2. the shifting operating device of a kind of automatically controlled transfer case as claimed in claim 1, it is characterized in that: described elastic structure comprises the elastic support sheet (118) being fixed on camshaft (111) end and the wind spring (119) be sheathed on camshaft (111), the two ends of wind spring (119) are bent upwards to be formed and promote block, and described cam dog (115) and elastic support sheet (118) promote between block at two pieces.
3. the shifting operating device of a kind of automatically controlled transfer case as claimed in claim 2, it is characterized in that: described elastic support sheet (118) comprises the fixed disc (118.1) fixing with camshaft (111), the side of fixed disc (118.1) is connected with the positive stop (118.2) vertical with fixed disc (118.1), and positive stop (118.2) promotes between block at two pieces.
4. the shifting operating device of a kind of automatically controlled transfer case as claimed in claim 2, it is characterized in that: described promotion block comprises the second promotion block (121) that first of outside promotes block (120) and inner side, the part that described cam dog (115) stretches out cam (112) has the block groove (122) promoting block (120) with first and coordinate.
5. the shifting operating device of a kind of automatically controlled transfer case as claimed in claim 1, it is characterized in that: described locking track (113) is arranged on the end face of one end of cam (112), described high and low shift track groove (114) is opened in the other end of cam (112), and described cam dog (115) is fixed on the other end of cam (112).
6. the shifting operating device of a kind of automatically controlled transfer case as claimed in claim 5, it is characterized in that: described locking track (113) comprises non-locking guide surface (113.1), non-locking guide surface (113.1) is connected with the high-grade locking plane (113.2) of zero axial stroke, high-grade locking plane (113.2) is connected with the non-locking cambered surface (113.3) with axial stroke, non-locking cambered surface (113.3) is connected with the low-grade locking plane (113.4) of zero axial stroke, the end of low-grade locking plane (113.4) is connected with low-grade locking guide surface (113.5).
7. the shifting operating device of a kind of automatically controlled transfer case as claimed in claim 5, it is characterized in that: described high and low shift track groove (114) is spiral chute, comprise high-grade groove (114.1), high-grade groove (114.1) is connected with the high-grade stroke groove section (114.2) of zero axial stroke, high-grade stroke groove section (114.2) is connected with neutral stroke groove section (114.3) with axial stroke, neutral stroke groove section (114.3) is connected with the low-grade stroke groove section (114.4) of zero axial stroke, the end of low-grade stroke groove section (114.4) is connected with low-grade groove (114.5).
8. the shifting operating device of a kind of automatically controlled transfer case as claimed in claim 7, it is characterized in that: described high-grade groove (114.1) and non-locking guide surface (113.1) correspondence, described high-grade stroke groove section (114.2) is corresponding with high-grade locking plane (113.2), described neutral stroke groove section (114.3) is corresponding with non-locking cambered surface (113.3), described low-grade stroke groove section (114.4) is corresponding with low-grade locking plane (113.4), and described low-grade groove (114.5) is corresponding with low-grade locking guide surface (113.5).
9. the shifting operating device of a kind of automatically controlled transfer case as claimed in claim 1, is characterized in that: described retarder (109) is provided with motor position encoder (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865704.0U CN204372143U (en) | 2014-12-30 | 2014-12-30 | A kind of shifting operating device of automatically controlled transfer case |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865704.0U CN204372143U (en) | 2014-12-30 | 2014-12-30 | A kind of shifting operating device of automatically controlled transfer case |
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| CN204372143U true CN204372143U (en) | 2015-06-03 |
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| CN201420865704.0U Active CN204372143U (en) | 2014-12-30 | 2014-12-30 | A kind of shifting operating device of automatically controlled transfer case |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534078A (en) * | 2014-12-30 | 2015-04-22 | 东风汽车公司 | Electrically-controlled full-time chained transfer case assembly structure |
| CN106678360A (en) * | 2015-11-11 | 2017-05-17 | 上海汽车集团股份有限公司 | Car, gearbox of car and motor gear-shifting system and unit |
| CN107044512A (en) * | 2016-12-30 | 2017-08-15 | 三海洋重工有限公司 | Transfer case and crane |
| CN107269830A (en) * | 2017-07-03 | 2017-10-20 | 中通客车控股股份有限公司 | Automatic mechanical transmission shift-selecting and changing actuating mechanism |
| CN107701717A (en) * | 2017-10-17 | 2018-02-16 | 北京汽车研究总院有限公司 | A kind of gearshift controller and automobile |
| CN108340775A (en) * | 2016-01-27 | 2018-07-31 | 安溪钟泰专利技术转移有限公司 | A kind of electric vehicle |
| CN113653798A (en) * | 2021-08-19 | 2021-11-16 | 燕山大学 | Two-gear electric control transfer case with locking mechanism |
-
2014
- 2014-12-30 CN CN201420865704.0U patent/CN204372143U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534078A (en) * | 2014-12-30 | 2015-04-22 | 东风汽车公司 | Electrically-controlled full-time chained transfer case assembly structure |
| CN106678360A (en) * | 2015-11-11 | 2017-05-17 | 上海汽车集团股份有限公司 | Car, gearbox of car and motor gear-shifting system and unit |
| CN108340775A (en) * | 2016-01-27 | 2018-07-31 | 安溪钟泰专利技术转移有限公司 | A kind of electric vehicle |
| CN107044512A (en) * | 2016-12-30 | 2017-08-15 | 三海洋重工有限公司 | Transfer case and crane |
| CN107269830A (en) * | 2017-07-03 | 2017-10-20 | 中通客车控股股份有限公司 | Automatic mechanical transmission shift-selecting and changing actuating mechanism |
| CN107701717A (en) * | 2017-10-17 | 2018-02-16 | 北京汽车研究总院有限公司 | A kind of gearshift controller and automobile |
| CN113653798A (en) * | 2021-08-19 | 2021-11-16 | 燕山大学 | Two-gear electric control transfer case with locking mechanism |
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