CN201246464Y - Tractor shift steering mechanism - Google Patents
Tractor shift steering mechanism Download PDFInfo
- Publication number
- CN201246464Y CN201246464Y CNU2008201045033U CN200820104503U CN201246464Y CN 201246464 Y CN201246464 Y CN 201246464Y CN U2008201045033 U CNU2008201045033 U CN U2008201045033U CN 200820104503 U CN200820104503 U CN 200820104503U CN 201246464 Y CN201246464 Y CN 201246464Y
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- China
- Prior art keywords
- rod member
- speed change
- main
- shaft
- pivoted arm
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a tractor shift control mechanism, a large cover body in the mechanism is provided with an 'H'-shaped gear limit through hole and an auxiliary speed change shaft, a small cover body is provided with a main speed change primary shaft and a main speed change auxiliary shaft, one end of the main speed change primary shaft is provided with a rocker arm, the main speed change primary shaft is equipped with a clamp sleeve which is equipped with a rotating arm and a concave sliding groove, one end of the main speed change auxiliary shaft is equipped with a rocker arm, the other end is provided with a plate-like rotating arm clamped on the concave sliding groove, a main control case is internally provided with a main control speed change auxiliary shaft which is sleeved with a shaft sleeve with an auxiliary rotating arm, the shaft sleeve is equipped with a main control speed change primary shaft which is sleeved with a main control speed change rod with a main rotating arm, an auxiliary control case is equipped with an auxiliary control speed change shaft which is sleeved with an auxiliary control speed change rod with a speed change rotating arm, the main rotating arm and the rocker arm of the main speed change primary shaft are connected via a flexible shaft, the speed change rotating arm and the rocker arm of the auxiliary speed change shaft are connected via a lever type connecting component, and the auxiliary rotating arm and the rocker arm of the main speed change auxiliary shaft are also connected via a lever type connecting component. The tractor shift control mechanism can realize shift operation in a closed tractor cab, and is flexible in shift and labor-saving in operation.
Description
Technical field
The utility model relates to a kind of selector device, the selector device that particularly a kind of suitable steering-wheel type tractor uses.
Background technique
The gearshift mechanism of present most hand tractor all is to adopt the direct gear shift of long-armed stiff rod, some tractor with small four wheels through being modified into steering-wheel type still adopts this gearshift mechanism, the driver needs constantly to follow vehicle heading under the environment that exposes to wind and rain change is moved long-armed stiff rod and is carried out gear-change operation, than being easier to fatigue, influence safe driving, and long-armed stiff rod is in long using process, deform easily, thereby cause gear-change operation not in place, even disorderly shelves, phenomenon out of supply occur.
Chinese patent literature publication number CN200975480, the model utility name is called and discloses a kind of operating mechanism of realizing the dystopy gear shift by flexible axle in the technological scheme of " steering-wheel type tractor with small four wheels selector device ", this mechanism can be implemented in the operator cabin of sealing and carries out gear-change operation, but this mechanism is provided with fixing restraining groove on the shift control assembly, if the joint that this operating component is connected with flexible axle slightly a bit wearing and tearing is just loosening easily, will occur easily because of the shift control assembly transmits phenomenon of hanging to advance retaining not in place, so this mechanism exists gear-change operation inaccurate, use the defective of safety inadequately.
This case claimant has applied for that to Patent Office of the People's Republic of China number of patent application is called " steering-wheel type tractor selector device " for " 200820104168.7 ", model utility name on April 8th, 2008, this mechanism can overcome the defective of above-mentioned existence, realize gear shift purpose accurate, safe in utilization, but during by flexible axle control main transformer speed countershaft and secondary variable-speed shaft, it is dumb to occur conversion easily, operation is effort relatively, and phenomenon not in place also can appear operating sometimes, therefore, the claimant improves again at this mechanism.
The model utility content
Technical problem to be solved in the utility model provide a kind of gear shift flexibly, the tractor selector device of rapid operation.
The utility model solves the problems of the technologies described above with following technological scheme: tractor selector device of the present utility model mainly is made of gear shift transmitting assemblies and shift control assembly, described gear shift transmitting assemblies includes big lid 22 and the tegillum body 20 that is installed on the gearbox 29, big lid 22 1 sides have " H " shape gear limiting through hole 27, opposite side is equipped with secondary variable-speed shaft 14, one end of secondary variable-speed shaft 14 has rocking arm 12, the other end has the right angle pivoted arm 30 that stretches in the gearbox 29, tegillum body 20 is contained in the top of big lid 22 " H " shape gear limiting through hole 27, the main transformer speed positive axis 16 that band straight-tooth groove is installed on the tegillum body 20 reaches perpendicular to the fast countershaft 18 of the main transformer of the fast positive axis 16 of main transformer, one end of main transformer speed positive axis 16 has rocking arm 15, be with the cutting ferrule 19 and the Returnning spring 21 of the band pivoted arm 24 that is complementary on it, the termination of pivoted arm 24 is spherical, cutting ferrule 19 is provided with spill chute 23, one end of main transformer speed countershaft 18 has rocking arm 17, and the other end has the tabular pivoted arm 28 that is stuck on the spill chute 23; Described shift control assembly includes main manipulating box 1 and secondary manipulating box 6, the main counter shaft 31 of handling is installed in the main manipulating box 1, main axle sleeve 33 and the Returnning spring 2 that is with on the counter shaft 31 with secondary pivoted arm 32 of handling, the top of axle sleeve 33 is equipped with the main speed change positive axis 3 of handling, the main main speed change lever 4 of handling that is with on the speed change positive axis 3 with positive pivoted arm 5 of handling; The secondary variable-speed shaft 8 of handling is installed on the secondary manipulating box 6, and the secondary pair that is with band speed change pivoted arm 9 on the variable-speed shaft 8 of handling is handled speed change lever 7; Is connected by flexible axle 10 between the rocking arm 15 of described positive pivoted arm 5 and main transformer speed positive axis 16, is connected by the Lever type connection part respectively between the rocking arm 12 of described speed change pivoted arm 9 and secondary variable-speed shaft 14 and between the rocking arm 17 of secondary pivoted arm 32 and the fast countershaft 18 of main transformer.
Described auxiliary connection pivoted arm 32 is by being connected rod member 47 with the Lever type connection part of rocking arm 17, movable rod member 43, connect rod member 39, U-shaped bar bar 35 and connect rod member 13 formation of joining successively, wherein U-shaped rod member 35 be installed in the affixed axle sleeve 34 of drawing head 36 on, movable rod member 43 is installed on the draw beam 42 by bearing pin 41, one end of U-shaped rod member 35 be connected rod member 13 1 end loose joints, the other end that connects rod member 13 is buckled on the rocking arm 17, the other end of U-shaped bar bar 35 be connected rod member 39 1 ends and connect with the latch closure form, connect the other end and 43 loose joints of movable rod member of rod member 39, the other end of movable rod member 43 be connected rod member 47 1 end loose joints, the other end of connection rod member 47 is buckled on the secondary pivoted arm 32.
Described connection speed change pivoted arm 9 is by being connected rod member 46 with the Lever type connection part of rocking arm 12, the movable rod member 45 of crank shape, connect rod member 40, U-shaped bar bar 38 and connect rod member 11 formation of joining successively, wherein U-shaped rod member 38 be installed in the affixed axle sleeve 37 of drawing head 36 on, the movable rod member 45 of crank shape be installed in the affixed axle sleeve 44 of draw beam 42 on, one end of U-shaped rod member 38 be connected rod member 11 1 end loose joints, the other end that connects rod member 11 is buckled on the rocking arm 12, the other end of U-shaped bar bar 38 be connected rod member 40 1 ends and connect with the latch closure form, connect the other end and the movable rod member 45 1 end loose joints of crank shape of rod member 40, the other end of the movable rod member 45 of crank shape be connected rod member 46 1 end loose joints, the other end of connection rod member 46 is buckled on the speed change pivoted arm 9.
Selector device of the present utility model is particularly suitable for using on the tractor with small four wheels of steering-wheel type, can be implemented in the operator cabin of sealing and carry out gear-change operation, even under rugged environment, do not influence driver's operation yet, make gear-change operation become lighter, flexible, accurately put in place, thereby guarantee safe driving.
Description of drawings
Fig. 1 is the structural representation of the utility model tractor selector device.
Fig. 2 is that schematic representation is looked on the right side of main manipulating box 1 among Fig. 1.
Fig. 3 is that schematic representation is looked on the right side of secondary manipulating box 6 among Fig. 1.
Fig. 4 is the elevational schematic view of big lid 22 among Fig. 1.
Fig. 5 is the elevational schematic view of the medium and small lid 20 of Fig. 1.
Fig. 6 is the schematic top plan view of draw beam 42 among Fig. 1.
Fig. 7 is that schematic representation is looked on a left side that is installed in two U-shaped rod members on the drawing head among Fig. 1.
Among the figure: main manipulating box 1, Returnning spring 2, the main speed change positive axis 3 of handling, the main speed change lever 4 of handling, positive pivoted arm 5, secondary manipulating box 6, the secondary speed change lever 7 of handling, the secondary variable-speed shaft 8 of handling, speed change pivoted arm 9, flexible axle 10, connect rod member 11; rocking arm 12; connect rod member 13; secondary variable-speed shaft 14; rocking arm 15; main transformer speed positive axis 16; rocking arm 17; main transformer speed countershaft 18; cutting ferrule 19; tegillum body 20; Returnning spring 21; big lid 22; spill chute 23; pivoted arm 24; shift fork 25; shift fork 26; " H " shape gear limiting through hole 27, gearbox 29 right angle pivoted arms 30, the main counter shaft 31 of handling, secondary pivoted arm 32, axle sleeve 33, axle sleeve 34, U-shaped rod member 35, drawing head 36, axle sleeve 37, U-shaped rod member 38, connect rod member 39, connect rod member 40, bearing pin 41, draw beam 42, movable rod member 43, axle sleeve 44, the movable rod member 45 of crank shape, connect rod member 46, connect rod member 47.
Embodiment
As shown in Figure 1, the utility model tractor selector device is mainly by the gear shift transmitting assemblies, main manipulating box 1 and secondary manipulating box 6 constitute, described gear shift transmitting assemblies includes big lid 22 and the tegillum body 20 that is installed on the gearbox 29, big lid 22 1 sides have " H " shape gear limiting through hole 27, opposite side is equipped with secondary variable-speed shaft 14, one end of secondary variable-speed shaft 14 has rocking arm 12, the other end has the right angle pivoted arm 30 that stretches into gearbox 29 inner control height gear shift fork, tegillum body 20 is installed in the top of big lid 22 " H " shape gear limiting through hole 27, the main transformer speed positive axis 16 that band straight-tooth groove is installed on the tegillum body 20 reaches perpendicular to the fast countershaft 18 of the main transformer of the fast positive axis 16 of main transformer, one end of main transformer speed positive axis 16 has rocking arm 15, be with the cutting ferrule 19 and the Returnning spring 21 of the band pivoted arm 24 that is complementary on it, the termination of pivoted arm 24 is spherical, cutting ferrule 19 is provided with spill chute 23, one end of main transformer speed countershaft 18 has rocking arm 17, and the other end has the tabular pivoted arm 28 that is stuck on the spill chute 23; The main counter shaft 31 of handling is installed in the main manipulating box 1, main axle sleeve 33 and the Returnning spring 2 that is with on the counter shaft 31 with secondary pivoted arm 32 of handling, the top of axle sleeve 33 is equipped with the main speed change positive axis 3 of handling, the main main speed change lever 4 of handling that is with on the speed change positive axis 3 with positive pivoted arm 5 of handling; The secondary variable-speed shaft 8 of handling is installed on the secondary manipulating box 6, and the secondary pair that is with band speed change pivoted arm 9 on the variable-speed shaft 8 of handling is handled speed change lever 7; Between the rocking arm 12 of described speed change pivoted arm 9 and secondary variable-speed shaft 14 by by being connected rod member 46, the movable rod member 45 of crank shape, connect rod member 40, the Lever type connection part connection that U-shaped bar bar 38 and connection rod member 11 join successively and constitute, wherein U-shaped rod member 38 be installed in the affixed axle sleeve 37 of drawing head 36 on, the movable rod member 45 of crank shape be installed in the affixed axle sleeve 44 of draw beam 42 on, one end of U-shaped rod member 38 be connected rod member 11 1 ends and flexibly connect, the other end that connects rod member 11 is buckled on the rocking arm 12, the other end of U-shaped bar bar 38 be connected rod member 40 1 ends and connect with the latch closure form, the other end and movable rod member 45 1 ends of crank shape that connect rod member 40 flexibly connect, the other end of the movable rod member 45 of crank shape flexibly connects with being connected rod member 46 1 ends, and the other end that connects rod member 46 is buckled on the speed change pivoted arm 9; Between the rocking arm 17 of described secondary pivoted arm 32 and main transformer speed countershaft 18 is by being connected rod member 47, movable rod member 43, connect rod member 39, the Lever type connection part connection that U-shaped bar bar 35 and connection rod member 13 join successively and constitute, wherein U-shaped rod member 35 be installed in the affixed axle sleeve 34 of drawing head 36 on, movable rod member 43 is installed on the draw beam 42 by bearing pin 41, one end of U-shaped rod member 35 be connected rod member 13 1 ends and flexibly connect, the other end that connects rod member 13 is buckled on the rocking arm 17, the other end of U-shaped bar bar 35 be connected rod member 39 1 ends and connect with the latch closure form, the other end and the movable rod member 43 that connect rod member 39 flexibly connect, the other end of movable rod member 43 flexibly connects with being connected rod member 47 1 ends, and the other end that connects rod member 47 is buckled on the secondary pivoted arm 32; Be connected by flexible axle 10 between the rocking arm 15 of described positive pivoted arm 5 and main transformer speed positive axis 16.
When on existing steering wheel formula tractor with small four wheels, the utility model being installed, remove the loam cake of tractor chassis gearbox earlier, control I shelves on the gearbox, the shift fork 25 of reverse gear and control II shelves, arrange consistent on neutral position before and after the concave surface chute processing of the shift fork 26 of III shelves changes into, spherical termination with pivoted arm 24 embeds in the concave surface chute of shift fork again, in the secondary speed change gear shift fork chute (not shown) in the right angle pivoted arm 30 terminations embedding gearbox 29 of secondary variable-speed shaft 14 lower ends, then main manipulating box 1 and secondary manipulating box 6 are fixed on the position suitable in the operator cabin.During operation, by shown in Figure 1, when master's manipulation speed change lever 4 is shaken in front and back, secondary pivoted arm 32 also rotates thereupon, and the rocking arm 17 that passes through Lever type connection part drive main transformer speed countershaft 18 rotates, the tabular pivoted arm 28 that is connected with main transformer speed countershaft 18 also rotates simultaneously, and drive cutting ferrules 19 by spill chute 23 and on main transformer speed positive axis 16, horizontally slip, thereby make the pivoted arm 24 on the cutting ferrule 19 in " H " shape gear restraining groove 27, make move left and right, it can accurately be moved in the gear shift fork chute that will handle as required.When the master that rocks from side to side handles speed change lever 4, the main positive pivoted arm 5 of speed change lever 4 drives of handling moves up and down, and swing up and down by the rocking arm 15 that flexible axle 10 drives main transformers speed positive axis 16, driving the cutting ferrule 19 that is enclosed within on the main transformer speed positive axis 16 simultaneously rotates, pivoted arm 24 on the cutting ferrule 19 is also rotated thereupon, put in place thereby just can make pivoted arm 24 promote the gear shift fork as required, realize the accurate switching between reverse gear, I shelves, II shelves or the III shelves.When the pair that rocks from side to side is handled speed change lever 7, the secondary speed change pivoted arm of handling on the speed change lever 79 also rotates thereupon, and rotate by the rocking arm 12 that the Lever type connection part drives secondary variable-speed shaft 14, the right angle pivoted arm 30 that is connected with secondary variable-speed shaft 14 also rotates simultaneously, and the secondary speed change gear in the promotion gearbox, thereby the switch motion of realization high and low shift.
Claims (3)
1. tractor selector device, include gear shift transmitting assemblies and shift control assembly, it is characterized in that: described gear shift transmitting assemblies includes big lid (22) and the little lid (20) that is installed on the gearbox (29), big lid (22) one sides have " H " shape gear limiting through hole (27), opposite side is equipped with secondary variable-speed shaft (14), one end of secondary variable-speed shaft (14) has rocking arm (12), the other end has the right angle pivoted arm (30) that stretches in the gearbox, little lid (20) is contained in the top of " H " shape gear limiting through hole (27) of big lid (22), the main transformer speed positive axis (16) that band straight-tooth groove is installed on the little lid (20) reaches perpendicular to the fast countershaft (18) of the main transformer of main transformer speed positive axis (16), one end of main transformer speed positive axis (16) has rocking arm (15), be with the cutting ferrule (19) and the Returnning spring (21) of the band pivoted arm (24) that is complementary on it, the termination of pivoted arm (24) is spherical, cutting ferrule (19) is provided with spill chute (23), one end of main transformer speed countershaft (18) has rocking arm (17), and the other end has the tabular pivoted arm (28) that is stuck on the spill chute (23); Described shift control assembly includes main manipulating box (1) and secondary manipulating box (6), the main counter shaft (31) of handling is installed in the main manipulating box (1), main axle sleeve (33) and the Returnning spring (2) that is with on the counter shaft (31) with secondary pivoted arm (32) of handling, the top of axle sleeve (33) is equipped with the main speed change positive axis (3) of handling, the main main speed change lever (4) of handling that is with on the speed change positive axis (3) with positive pivoted arm (5) of handling; The secondary variable-speed shaft (8) of handling is installed on the secondary manipulating box (6), and the secondary pair that is with band speed change pivoted arm (9) on the variable-speed shaft (8) of handling is handled speed change lever (7); Is connected by flexible axle (10) between the rocking arm (15) of described positive pivoted arm (5) and main transformer speed positive axis (16), is connected by the Lever type connection part respectively between the rocking arm (12) of described speed change pivoted arm (9) and secondary variable-speed shaft (14) and between the rocking arm (17) of secondary pivoted arm (32) and the fast countershaft of main transformer (18).
2. tractor selector device according to claim 1, it is characterized in that: described auxiliary connection pivoted arm (32) is by being connected rod member (47) with the Lever type connection part of rocking arm (17), movable rod member (43), connect rod member (39), U-shaped bar bar (35) and connect rod member (13) formation of joining successively, wherein on the axle sleeve (34) that U-shaped rod member (35) is installed in and drawing head (36) is affixed, movable rod member (43) is installed on the draw beam (42) by bearing pin (41), one end of U-shaped rod member (35) be connected rod member (13) one end loose joints, the other end that connects rod member (13) is buckled on the rocking arm (17), the other end of U-shaped bar bar (35) be connected rod member (39) one ends and connect with the latch closure form, connect the other end and movable rod member (43) loose joint of rod member (39), the other end of movable rod member (43) be connected rod member (47) one end loose joints, the other end of connection rod member (47) is buckled on the secondary pivoted arm (32).
3. tractor selector device according to claim 1, it is characterized in that: described connection speed change pivoted arm (9) is by being connected rod member (46) with the Lever type connection part of rocking arm (12), the movable rod member (45) of crank shape, connect rod member (40), U-shaped bar bar (38) and connect rod member (11) formation of joining successively, wherein on the axle sleeve (37) that U-shaped rod member (38) is installed in and drawing head (36) is affixed, on the axle sleeve (44) that the movable rod member of crank shape (45) is installed in and draw beam (42) is affixed, one end of U-shaped rod member (38) be connected rod member (11) one end loose joints, the other end that connects rod member (11) is buckled on the rocking arm (12), the other end of U-shaped bar bar (38) be connected rod member (40) one ends and connect with the latch closure form, connect the other end and movable rod member (45) the one end loose joints of crank shape of rod member (40), the other end of the movable rod member of crank shape (45) be connected rod member (46) one end loose joints, the other end of connection rod member (46) is buckled on the speed change pivoted arm (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201045033U CN201246464Y (en) | 2008-08-25 | 2008-08-25 | Tractor shift steering mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201045033U CN201246464Y (en) | 2008-08-25 | 2008-08-25 | Tractor shift steering mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201246464Y true CN201246464Y (en) | 2009-05-27 |
Family
ID=40730286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201045033U Expired - Fee Related CN201246464Y (en) | 2008-08-25 | 2008-08-25 | Tractor shift steering mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201246464Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042399A (en) * | 2010-12-15 | 2011-05-04 | 广西钦州力顺机械有限公司 | Shift control mechanism of steering-wheel tractor |
| CN102454767A (en) * | 2010-10-21 | 2012-05-16 | 株式会社东海理化电机制作所 | Shift device |
| CN102797835A (en) * | 2012-08-16 | 2012-11-28 | 梧州山王拖拉机制造有限公司 | Soft axis shifting manipulating mechanism of tractor |
| CN103711886A (en) * | 2012-09-29 | 2014-04-09 | 北汽福田汽车股份有限公司 | Shifter, vehicle transmission operating mechanism, and vehicle |
| CN113700852A (en) * | 2020-05-22 | 2021-11-26 | 上海汽车集团股份有限公司 | Selector, gear shifting speed change system and automatic transmission automobile |
-
2008
- 2008-08-25 CN CNU2008201045033U patent/CN201246464Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454767A (en) * | 2010-10-21 | 2012-05-16 | 株式会社东海理化电机制作所 | Shift device |
| CN102454767B (en) * | 2010-10-21 | 2015-12-09 | 株式会社东海理化电机制作所 | Gearshift |
| CN102042399A (en) * | 2010-12-15 | 2011-05-04 | 广西钦州力顺机械有限公司 | Shift control mechanism of steering-wheel tractor |
| CN102042399B (en) * | 2010-12-15 | 2014-01-15 | 广西钦州力顺机械有限公司 | Shift control mechanism of steering-wheel tractor |
| CN102797835A (en) * | 2012-08-16 | 2012-11-28 | 梧州山王拖拉机制造有限公司 | Soft axis shifting manipulating mechanism of tractor |
| CN102797835B (en) * | 2012-08-16 | 2015-01-21 | 梧州山王拖拉机制造有限公司 | Soft axis shifting manipulating mechanism of tractor |
| CN103711886A (en) * | 2012-09-29 | 2014-04-09 | 北汽福田汽车股份有限公司 | Shifter, vehicle transmission operating mechanism, and vehicle |
| CN113700852A (en) * | 2020-05-22 | 2021-11-26 | 上海汽车集团股份有限公司 | Selector, gear shifting speed change system and automatic transmission automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090527 Termination date: 20100825 |