CN203651350U - Front drive axle assembly for high ground clearance tractor - Google Patents
Front drive axle assembly for high ground clearance tractor Download PDFInfo
- Publication number
- CN203651350U CN203651350U CN201420012468.8U CN201420012468U CN203651350U CN 203651350 U CN203651350 U CN 203651350U CN 201420012468 U CN201420012468 U CN 201420012468U CN 203651350 U CN203651350 U CN 203651350U
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- fixed
- axle assembly
- hinged
- bevel gear
- engaging lug
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Abstract
The utility model discloses a front drive axle assembly for a high ground clearance tractor. The front drive axle assembly for the high ground clearance tractor comprises a front axle casing and tail end transmission casings are fixed at two ends of the front axle casing. Tail end transmission casing structures are characterized in that two main connecting bases are fixed at two ends of axle shaft sleeves; one ends of axle shafts are installed inside first bevel gears which are hinged to the main connecting bases; main pin shafts sleeve in the main connecting bases in an insertion mode; main pin shaft bases are fixed on upper portions of the main connecting base; upper bevel gears are fixed at upper ends of the main pin shafts; lower ends of the main pin shafts are fixed inside lower bevel gears which are hinged to a lower portion of the front tail end transmission casing; a large gear is hinged to the interior of a front driving end cover; the large gear is meshed with the lower bevel gears; the upper bevel gears are meshed with the first bevel gears; distance from connecting points of central axes of the main pin shafts to first central axes of the first bevel gears is formed. The front drive axle assembly for the high ground clearance tractor increases the clearance between the tractor front drive axle assembly and the ground, accordingly operation of the tractor front drive axle assembly on the poor ground is satisfied and the front drive axle cannot be damaged.
Description
Technical field:
The utility model relates to trac. technical field, more specifically to a kind of high-arch tractor front driving axle assembly.
Background technology:
Existing front drive axle of tractor assembly, its propons housing comprises that the axle tube being fixed with by main speed reduction box housing and two ends thereof forms, in main speed reduction box housing, diff is installed, the two ends of two axle tubes are fixed with end transmission housing, in end transmission housing, be provided with stub axle, the first finishing bevel gear cuter and big gear wheel, the first finishing bevel gear cuter is connected with semiaxis, the first finishing bevel gear cuter drives stub axle to rotate, stub axle drives big gear wheel to rotate, wheel hub is fixed in big gear wheel by drive axle, wherein, as shown in Figure 8, the central axis 10a of big gear wheel is crossing with the joining of the central axis 20a of stub axle and the first central axis 30a of the first finishing bevel gear cuter, but such structure makes the spacing between propons housing and ground smaller, in poor place, some ground, it is ground raised that propons housing can be encountered in position, housing is damaged, some places just cannot have been used trac. like this.
Simultaneously, steering cylinder on the front driving axle of existing trac. is arranged on the front portion of propons housing, it is provided with engaging lug in front portion of an end transmission housing therein, in the front portion of another end transmission housing, a back-up block is set, the cylinder ends of steering cylinder is hinged with a coupling end, coupling end is fixed on back-up block, a hinged fixed end too on the push rod of steering cylinder, fixed end is hinged on the engaging lug of end transmission housing, on push rod, be also inserted with cushion collar, steering cylinder is just arranged on the front portion of front driving axle like this, and be across two end transmission housings, make like this trac. will make extraneous object first meet this steering cylinder in the time of operation, steering cylinder is damaged, and first cushion collar can damage, extraneous object can make the push rod of oil cylinder damage like this, affect the normal operation of steering cylinder, and this fixed end and coupling end have not only increased manufacturing cost but also have increased the weight of front driving axle, equally, back-up block has also increased the weight of manufacturing cost and front driving axle, increase the total weight of trac., increase oil consumption.
And form central through hole on existing stub axle bed 1a, Coupling Shaft 2a is fixed in central through hole, simultaneously, spindle arm 3a is hinged on Coupling Shaft 2a, Coupling Shaft and stub axle bed need processing separately like this, and need to cooperatively interact and be assembled together, the difficulty that has not only increased the number of parts but also increased processing and installed, increases cost.
Utility model content:
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of high-arch tractor front driving axle assembly is provided, it improves the gap on front drive axle of tractor assembly and ground, move on poor ground thereby meet it, can not make front driving axle damage, it is arranged on steering cylinder at the rear portion of front driving axle simultaneously, while making like this trac. operation, can not make external object collide steering cylinder, ensure that steering cylinder normally moves, meanwhile, it is simple in structure, easily manufactured.
The scheme that the utility model solve the technical problem is:
A kind of high-arch tractor front driving axle assembly, comprise the propons housing that the axle tube that is fixed with by main speed reduction box housing and two ends thereof forms, in main speed reduction box housing, diff is installed, two semiaxis difference sleeves are in axle tube, one end of semiaxis is arranged in diff, the other end is located in end transmission housing, the two ends of two axle tubes are fixed with end transmission housing, described end drive shell body structure is, two main connection pedestals are fixed on the two ends of two axle tubes, one end of semiaxis is arranged in the first finishing bevel gear cuter being hinged with in main connection pedestal, in main connection pedestal, be inserted with stub axle, the top of main connection pedestal is fixed with stub axle bed, the upper end of stub axle is fixed with finishing bevel gear cuter, upper finishing bevel gear cuter is hinged in stub axle bed, the lower end of main connection pedestal is hinged on the bottom of front end transmission housing, the lower end of stub axle is fixed in the lower finishing bevel gear cuter that the lower hinge of front end transmission housing has, on front end transmission housing, be fixed with drive end shield, in drive end shield, be hinged with big gear wheel, big gear wheel is meshed with lower finishing bevel gear cuter, upper finishing bevel gear cuter is meshed with the first finishing bevel gear cuter,
The top of described stub axle bed forms rotation section, is hinged with spindle arm on rotation section, and spindle arm is fixed on front end transmission housing;
Between the first central axis of joining to the first finishing bevel gear cuter of the central axis of the central axis of described big gear wheel and stub axle, there is distance.
On described spindle arm, form jack, be fixed with sleeve in jack, rotation section sleeve is in sleeve, and described distance is 50.5mm.
On the rear portion wall of described front end transmission housing, form limit portion engaging lug, engaging lug in the middle of the rear portion of main speed reduction box housing forms, the cylinder body tail end of rear-mounted steering cylinder is provided with tail end connecting bore, the top of the catch bar of rear-mounted steering cylinder forms top connecting bore, the through hole of tail end connecting bore and middle engaging lug is corresponding and fix by connecting bearing pin, and the through hole of top connecting bore and limit portion engaging lug is corresponding and fix by connection bearing pin.
Two spindle arms are hinged on the two ends of pipe link, the through hole forming the bracket that pipe link is fixed with through main speed reduction box housing top and the top of main speed reduction box housing.
The bottom of described connection bearing pin forms radially extension edge;
One connect bearing pin successively sleeve in the through hole of tail end connecting bore and middle engaging lug, its top stretches out tail end connecting bore and is bolted with fluted nut, the cylinder body tail end of rear-mounted steering cylinder and middle engaging lug are clamped in radially between extension edge and fluted nut;
Another connect bearing pin successively sleeve in the through hole of top connecting bore and limit portion engaging lug, its top stretches out top connecting bore and is bolted with fluted nut, the catch bar of rear-mounted steering cylinder and limit portion engaging lug are clamped in radially between extension edge and fluted nut.
The top sidewall of described connection bearing pin forms radial direction through hole, and the upper surface of fluted nut forms even number bar radial groove, and all radial grooves are corresponding between two, and position-limited lever is successively through a side radial groove, the radial direction through hole radial groove corresponding with opposite side.
Described position-limited lever is that straight-bar carries out symmetrical bending, its one end forms rounded portions, the other end is two straight-bar ends side by side, the rounded portions of position-limited lever is stretched out a side of fluted nut, rounded portions is greater than the groove width of radial groove, the end of straight-bar side by side of position-limited lever stretches out the opposite side of fluted nut, and carry out on the sidewall of bending near fluted nut two of straight-bar end ends side by side.
The catch bar upper sleeve of described rear-mounted steering cylinder has buffer protection cover, and one end of buffer protection cover is fixed on the top of catch bar, top that the other end is fixed on cylinder body.
The adjusting portion that described pipe link is bolted with by the two ends of middle tone pole and middle tone pole forms, and two adjusting portions are hinged on respectively on its corresponding spindle arm.
Outstanding effect of the present utility model is:
It improves the gap on front drive axle of tractor assembly and ground, moves on poor ground thereby meet it, can not make front driving axle damage.
It is arranged on steering cylinder at the rear portion of front driving axle, while making like this trac. operation, can not make external object collide steering cylinder, ensures that steering cylinder normally moves, and meanwhile, it is simple in structure, easily manufactured.
Brief description of the drawings:
Fig. 1 is the local structure schematic diagram of end driving device of the present utility model;
Fig. 2 is middle part of the present utility model part sectional view;
Fig. 3 is structural representation of the present utility model;
Fig. 4 be entirety of the present utility model overlook local structure schematic diagram;
Fig. 5 is the structural representation between steering cylinder and propons housing;
Fig. 6 is fluted nut and the local connection structure schematic diagram that is connected bearing pin;
Fig. 7 is the lateral plan of bracket of the present utility model;
Fig. 8 is the structural representation of existing end driving device.
Detailed description of the invention:
Embodiment, see wherein Fig. 3 as Fig. 1 to 7(, position-limited lever 7 in Fig. 4 and Fig. 5 does not show, buffer protection cover 43 in Fig. 4 saves) shown in, a kind of high-arch tractor front driving axle assembly, comprise the propons housing that the axle tube 2 that is fixed with by main speed reduction box housing 1 and two ends thereof forms, diff 10 is installed in main speed reduction box housing 1, two semiaxis 20 difference sleeves are in axle tube 2, one end of semiaxis 20 is arranged in diff 10, the other end is located in end transmission housing 3, the two ends of two axle tubes 2 are fixed with end transmission housing 3, described end transmission housing 3 structures are, two main connection pedestal 3b are fixed on the two ends of two axle tubes 2, one end of semiaxis 20 is arranged in the first finishing bevel gear cuter 9 being hinged with in main connection pedestal 3b, in main connection pedestal 3b, be inserted with stub axle 91, the top of main connection pedestal 3b is fixed with stub axle bed 92, the upper end of stub axle 91 is fixed with finishing bevel gear cuter 93, upper finishing bevel gear cuter 93 is hinged in stub axle bed 92, the lower end of main connection pedestal 3b is hinged on the bottom of front end transmission housing 3a, the lower end of stub axle 91 is fixed in the lower finishing bevel gear cuter 94 that the lower hinge of front end transmission housing 3a has, on front end transmission housing 3a, be fixed with drive end shield 95, in drive end shield 95, be hinged with big gear wheel 96, big gear wheel 96 is meshed with lower finishing bevel gear cuter 97, upper finishing bevel gear cuter 93 is meshed with the first finishing bevel gear cuter 9, on drive end shield 95, be also fixed with drive axle 97, the axle head of drive axle 97 is arranged in big gear wheel 96, wheel hub is directly installed in drive axle 97 and can rotates like this,
The top of described stub axle bed 92 forms rotation section 921, on rotation section 921, be hinged with spindle arm 32, spindle arm 32 is fixed on front end transmission housing 3a, because the top straight forming of stub axle bed 92 has rotation section 921, reduce like this number of parts, improve the efficiency of installing, also reduced cost;
Between the first central axis 200 of joining 100 to first finishing bevel gear cuters 9 of the central axis of the central axis of described big gear wheel 96 and stub axle 91, there is distance 300.
On described spindle arm 32, form jack 321, in jack 321, be fixed with sleeve 322, rotation section 921 sleeves are in sleeve 322, described distance 300 is 50.5mm, this entirety has improved the height of front driving axle, prevent that more ground objects from touching front driving axle, improve the alerting ability of trac. operation, make it can be at poor ground handling.
On the rear portion wall of described front end transmission housing 3a, form limit portion engaging lug 31, engaging lug 11 in the middle of the rear portion of main speed reduction box housing 1 forms, the cylinder body tail end of rear-mounted steering cylinder 4 is provided with tail end connecting bore 41, the top of the catch bar 42 of rear-mounted steering cylinder 4 forms top connecting bore 421, the through hole of tail end connecting bore 41 and middle engaging lug 11 is corresponding and fix by connecting bearing pin 5, and the through hole of top connecting bore 421 and limit portion engaging lug 31 is corresponding and fix by connection bearing pin 5.
Two spindle arms 32 are hinged on the two ends of pipe link 8, the through hole 13 forming the bracket 12 that pipe link 8 is fixed with through main speed reduction box housing 1 top and the top of main speed reduction box housing 1.
The bottom of described connection bearing pin 5 forms radially extension edge 51;
One connect bearing pin 5 successively sleeve in the through hole of tail end connecting bore 41 and middle engaging lug 11, its top stretches out tail end connecting bore 41 and is bolted with fluted nut 6, the cylinder body tail end of rear-mounted steering cylinder 4 and middle engaging lug 11 are clamped in radially between extension edge 51 and fluted nut 6;
Another connect bearing pin 5 successively sleeve in the through hole of top connecting bore 421 and limit portion engaging lug 31, its top stretches out top connecting bore 421 and is bolted with fluted nut 6, the catch bar 42 of rear-mounted steering cylinder 4 and limit portion engaging lug 31 are clamped in radially between extension edge 51 and fluted nut 6.
The top sidewall of described connection bearing pin 5 forms radial direction through hole 52, the upper surface of fluted nut 6 forms even number bar radial groove 61, all radial grooves 52 are corresponding between two, and position-limited lever 7 is successively through a side radial groove 52, radial direction through hole 52 radial groove 52 corresponding with opposite side.
Described position-limited lever 7 carries out symmetrical bending for straight-bar, its one end forms rounded portions 71, the other end is two straight-bar ends 72 side by side, the rounded portions 71 of position-limited lever 7 is stretched out a side of fluted nut 6, rounded portions 71 is greater than the groove width of radial groove 52, the end of straight-bar side by side 72 of position-limited lever 7 stretches out the opposite side of fluted nut 6, and carry out on the sidewall of bending near fluted nut 6 two of straight-bar end 72 ends side by side.
The adjusting portion 82 that described pipe link 8 is bolted with by the two ends of middle tone pole 81 and middle tone pole 81 forms, and two adjusting portions 82 are hinged on respectively on the spindle arm 32 that it is corresponding.
And its steering cylinder 4 is arranged on one of them front end transmission body 3a and main speed reduction box housing 1, steering cylinder 4 is dwindled, reduce costs, meanwhile, its two ends are connected on limit portion engaging lug 31 and middle engaging lug 11 by connecting bearing pin 5, and it has saved existing fixed end and coupling end, simplify connection structure, reduce manufacturing cost, made the more simple weight of this structure lighter, assembled more convenient.
Claims (9)
1. a high-arch tractor front driving axle assembly, comprise the propons housing of axle tube (2) formation being fixed with by main speed reduction box housing (1) and two ends thereof, diff (10) is installed in main speed reduction box housing (1), two semiaxis (20) difference sleeve is in axle tube (2), one end of semiaxis (20) is arranged in diff (10), the other end is located in end transmission housing (3), the two ends of two axle tubes (2) are fixed with end transmission housing (3), it is characterized in that: described end transmission housing (3) structure is, two main connection pedestals (3b) are fixed on the two ends of two axle tubes (2), one end of semiaxis (20) is arranged in the first finishing bevel gear cuter (9) being hinged with in main connection pedestal (3b), in main connection pedestal (3b), be inserted with stub axle (91), the top of main connection pedestal (3b) is fixed with stub axle bed (92), the upper end of stub axle (91) is fixed with finishing bevel gear cuter (93), upper finishing bevel gear cuter (93) is hinged in stub axle bed (92), the lower end of main connection pedestal (3b) is hinged on the bottom of front end transmission housing (3a), the lower end of stub axle (91) is fixed in the lower finishing bevel gear cuter (94) that the lower hinge of front end transmission housing (3a) has, on front end transmission housing (3a), be fixed with drive end shield (95), in drive end shield (95), be hinged with big gear wheel (96), big gear wheel (96) is meshed with lower finishing bevel gear cuter (97), upper finishing bevel gear cuter (93) is meshed with the first finishing bevel gear cuter (9),
The top of described stub axle bed (92) forms rotation section (921), is hinged with spindle arm (32) on rotation section (921), and spindle arm (32) is fixed on front end transmission housing (3a);
The joining (100) of the central axis of the central axis of described big gear wheel (96) and stub axle (91) is to having distance (300) between first central axis (200) of the first finishing bevel gear cuter (9).
2. a kind of high-arch tractor front driving axle assembly according to claim 1, it is characterized in that: on described spindle arm (32), form jack (321), in jack (321), be fixed with sleeve (322), rotation section (921) sleeve is in sleeve (322), and described distance (300) is 50.5mm.
3. a kind of high-arch tractor front driving axle assembly according to claim 1, it is characterized in that: on the rear portion wall of described front end transmission housing (3a), form limit portion engaging lug (31), engaging lug (11) in the middle of the rear portion of main speed reduction box housing (1) forms, the cylinder body tail end of rear-mounted steering cylinder (4) is provided with tail end connecting bore (41), the top of the catch bar (42) of rear-mounted steering cylinder (4) forms top connecting bore (421), the through hole of tail end connecting bore (41) and middle engaging lug (11) is corresponding and fix by connecting bearing pin (5), the through hole of top connecting bore (421) and limit portion engaging lug (31) is corresponding and fix by connecting bearing pin (5).
4. a kind of high-arch tractor front driving axle assembly according to claim 1, it is characterized in that: two spindle arms (32) are hinged on the two ends of pipe link (8) through hole (13) forming the bracket (12) that pipe link (8) is fixed with through main speed reduction box housing (1) top and the top of main speed reduction box housing (1).
5. a kind of high-arch tractor front driving axle assembly according to claim 3, is characterized in that: the bottom of described connection bearing pin (5) forms radially extension edge (51);
One connect bearing pin (5) successively sleeve in the through hole of tail end connecting bore (41) and middle engaging lug (11), its top stretches out tail end connecting bore (41) and is bolted with fluted nut (6), the cylinder body tail end of rear-mounted steering cylinder (4) and middle engaging lug (11) are clamped in radially between extension edge (51) and fluted nut (6);
Another connect bearing pin (5) successively sleeve in the through hole of top connecting bore (421) and limit portion engaging lug (31), its top stretches out top connecting bore (421) and is bolted with fluted nut (6), the catch bar (42) of rear-mounted steering cylinder (4) and limit portion engaging lug (31) are clamped in radially between extension edge (51) and fluted nut (6).
6. a kind of high-arch tractor front driving axle assembly according to claim 5, it is characterized in that: the top sidewall of described connection bearing pin (5) forms radial direction through hole (52), the upper surface of fluted nut (6) forms even number bar radial groove (61), all radial grooves (52) are corresponding between two, and position-limited lever (7) is successively through a side radial groove (52), radial direction through hole (52) radial groove (52) corresponding with opposite side.
7. a kind of high-arch tractor front driving axle assembly according to claim 6, it is characterized in that: described position-limited lever (7) carries out symmetrical bending for straight-bar, its one end forms rounded portions (71), the other end is two straight-bar ends (72) side by side, the rounded portions (71) of position-limited lever (7) is stretched out a side of fluted nut (6), rounded portions (71) is greater than the groove width of radial groove (52), the end of straight-bar side by side (72) of position-limited lever (7) stretches out the opposite side of fluted nut (6), carry out on the sidewall of bending near fluted nut (6) two ends of straight-bar end (72) side by side.
8. a kind of high-arch tractor front driving axle assembly according to claim 1; it is characterized in that: catch bar (42) upper sleeve of described rear-mounted steering cylinder (4) has buffer protection cover (43), one end of buffer protection cover (43) is fixed on the top that the top of catch bar (42), the other end be fixed on cylinder body.
9. a kind of high-arch tractor front driving axle assembly according to claim 4, it is characterized in that: the adjusting portion (82) that described pipe link (8) is bolted with by the two ends of middle tone pole (81) and middle tone pole (81) forms, two adjusting portions (82) are hinged on respectively on its corresponding spindle arm (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420012468.8U CN203651350U (en) | 2014-01-09 | 2014-01-09 | Front drive axle assembly for high ground clearance tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420012468.8U CN203651350U (en) | 2014-01-09 | 2014-01-09 | Front drive axle assembly for high ground clearance tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203651350U true CN203651350U (en) | 2014-06-18 |
Family
ID=50917782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420012468.8U Expired - Fee Related CN203651350U (en) | 2014-01-09 | 2014-01-09 | Front drive axle assembly for high ground clearance tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203651350U (en) |
-
2014
- 2014-01-09 CN CN201420012468.8U patent/CN203651350U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20180109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |