CN2383715Y - Speed changing box assembly for walking tractor - Google Patents
Speed changing box assembly for walking tractor Download PDFInfo
- Publication number
- CN2383715Y CN2383715Y CN 99224851 CN99224851U CN2383715Y CN 2383715 Y CN2383715 Y CN 2383715Y CN 99224851 CN99224851 CN 99224851 CN 99224851 U CN99224851 U CN 99224851U CN 2383715 Y CN2383715 Y CN 2383715Y
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- gear
- shaft
- ring
- shift
- packing ring
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- Expired - Fee Related
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Abstract
The utility model relates to a transmission case assembly for a walking tractor, mainly comprising six spline shafts, three declutch shift shafts and a steering cover. The utility model is characterized in that the steering of the utility model adopts a mode that a jaw clutch is disengaged from motive power; according to requirements, a power output shaft can drive various agricultural implements; a main speed change mode and an auxiliary speed change mode are adopted, two multiplies three, and then, six forward gears are obtained; two multiplies one, and then, two backward gears are obtained; a pair of main reduction gears in a speed changing box is arranged in a final transmission assembly. The utility model has the advantages of small volume and compact structure; the ground clearance of a walking tractor is increased, the requirements of ridge tillage of different areas can be satisfied, and the utility model is suitable for carrying out tillage and management to irrigated land crops and dry land crops.
Description
The utility model relates to a kind of walker tractor transmission assembly.
In the prior art, be provided with a pair of main reduction gear in the walker tractor transmission assembly, cause volume big, structure is not compact.
The purpose of this utility model be to people provide a kind of scientific and reasonable for structure, speed change is convenient and reliable, has six forward gears, two fall back the retaining novel walker tractor transmission assemblies.
For achieving the above object, the utility model adopts following technical scheme: the walker tractor transmission assembly mainly comprises six castellated shafts, three declutch shift shafts, gear shift covers and turns to lid.Six castellated shafts comprise clutch spindle, tween drive shaft, main variable shaft, central driving shaft, steering shaft and reverse gear shaft, and three declutch shift shafts comprise fast retaining declutch shift shaft, keep off declutch shift shaft and pay a shift fork shaft slowly.Its concrete structure and annexation are such: clutch spindle (26) is by having the antifriction-bearing box (24) and (13) supporting of paying variable gear (27).Tween drive shaft (31) has middling speed driving gear (22), high speed driving gear (33), axle sleeve (32), low-speed active gear (30), is supported by two antifriction-bearing boxs (63).Main variable shaft (36) is equipped with high speed ring gear (15), main gear driving gear (34), low speed ring gear (37), two back-up rings (35), axle sleeve (18), O-ring seals (78), is supported by two antifriction-bearing boxs (16).Central driving shaft (14) is equipped with transition gear (38), back-up ring (35) is supported by two antifriction-bearing boxs (13).Steering shaft (6) is equipped with spring perch (9), turns to spring (10), steering gear (5), main gear ring gear (3), back-up ring (35) are bearing in the bearing cap shim (7) and paper washer (4) that two tapered roller bearings (8) are housed, and is fastening with screw (12), packing ring (11).Reverse gear shaft (43) is equipped with reverse gear (42) by antifriction-bearing box (16) and (61) supporting.Fast retaining declutch shift shaft (54) is gone up the quick shift fork (53) that dress has shift fork spring (55), steel ball (56).Slowly keep off declutch shift shaft (58) and go up the shift fork of retaining slowly (57) that dress has shift fork spring (55), steel ball (56).Pay shift fork shaft (60) and go up pair gear shift fork (59) that dress has shift fork spring (55), steel ball (56), three declutch shift shafts all are bearing on the gearbox body (1).Have the bearing cap shim (23) of rubber oil seal with reinforce (17), back-up ring (19), paper washer (25) at the left side of gearbox body (1) dress, fastening with bolt (21), packing ring (20).The bearing cap shim (29) that has rubber oil seal with reinforce (17), shaft-cup (62), paper washer (28) at the right side of gearbox body (1) dress is fastening with bolt (21), packing ring (11).It is fastening with bolt (81), packing ring (80) that paper washer (47), straight pin (2) and gear shift cover (64) are housed on the top of gearbox body (1).Adorn paper washer (79), oiling tube (76), oiling plug screw (77) on the screw of its gear shift cover (64); Dress is paid a gear shift fork assembly set (71), O-ring seals (72) in cylindrical hole, to pay speed change support arm (73) fastening with packing ring (74), nut (75); In sphere hole, adorn main transformer speed shifting fork bar (68), locate with screw (70), packing ring (74), packing ring (11), fastening with pad (69), main shift lever cover plate (65), packing ring (66) and screw (67).Paper washer (45) is housed on the step surface on gearbox body (1) top, turns to lid (46) fastening with bolt (21), packing ring (11).Turning to be equipped with on the lid (46) turns to shift fork assembly set (44), O V-shaped ring (48), spindle arm (49) fastening with packing ring (50) and (51), nut (52).Packing ring (40), oil discharge screw (41) are equipped with in the bottom of gearbox body (1) and rear portion; Thru-bolt (39) is equipped with in two sides.
The utility model compared with prior art has following characteristics: 1, turn to and adopt dental clutch to break away from the mode of power.2, the mutual interlocking gear of having put into gear.3, power take-off shaft can drive various agricultural machinery and implement as required.4, adopt master, a pair gear shift mode to produce 2 * 3, obtained 6 forward gears; 2 * 1 have obtained 2 retainings that fall back.5, only convenient with an operating lever operation, avoided because the unnecessary loss that maloperation brings.6, with the main reduction gear in a period of time in the change speed gear box, be arranged on final drive assembly the inside, little, the compact conformation of its volume, the walker tractor ground Clearance increases, and can satisfy the demand of distinguishing ridge culture variously.
Below in conjunction with specific embodiment and accompanying drawing the utility model is further described.
Fig. 1 is a front view of the present utility model.
Fig. 2 is the left side view of Fig. 1.
Fig. 3 is the B-B part sectional view of Fig. 2.
Fig. 4 is the D-D part sectional view of Fig. 2.
Fig. 5 is the E-E part sectional view of Fig. 2.
Fig. 6 is the F-F part sectional view of Fig. 2.
With reference to accompanying drawing 1-6, clutch spindle 26 is by having the antifriction-bearing box 24 and 13 supportings of paying variable gear 27.Tween drive shaft 31 has middling speed driving gear 22, high speed driving gear 33, axle sleeve 32, low-speed active gear 30, by 63 supportings of two antifriction-bearing boxs.Main variable shaft 36 is equipped with high speed ring gear 15, main gear driving gear 34, low speed ring gear 37, two back-up rings 35, axle sleeve 18, O-ring seals 78, by 16 supportings of two antifriction-bearing boxs.Central driving shaft 14 is equipped with transition gear 38, back-up ring 35 by 13 supportings of two antifriction-bearing boxs.Steering shaft 6 is equipped with spring perch 9, turns to spring 10, steering gear 5, main gear ring gear 3, back-up ring 35 are bearing in the bearing cap shim 7 and paper washer 4 that two tapered roller bearings 8 are housed, and is fastening with screw 12, packing ring 11.Reverse gear shaft 43 is equipped with reverse gear 42 by antifriction-bearing box 16 and 61 supportings.Dress has the quick shift fork 53 of shift fork spring 55, steel ball 56 on the fast retaining declutch shift shaft 54.Slowly keep off and adorn the shift fork of retaining slowly 57 that has shift fork spring 55, steel ball 56 on the declutch shift shaft 58.Paying 59, three declutch shift shafts of gear shift fork of paying that dress on the shift fork shaft 60 has shift fork spring 55, steel ball 56 all is bearing on the gearbox body 1.Have the bearing cap shim 23 of rubber oil seal with reinforce 17, back-up ring 19, paper washer 25 at the left side of gearbox body 1 dress, fastening with bolt 21, packing ring 20.The bearing cap shim 29 usefulness bolts 21, the packing ring 11 that have rubber oil seal with reinforce 17, shaft-cup 62, paper washer 28 at the right side of gearbox body 1 dress are fastening.Paper washer 47, straight pin 2 and gear shift cover 64 usefulness bolts 81 are housed on the top of gearbox body 1, packing ring 80 is fastening.Dress paper washer 79, oiling tube 76, the plug screw 77 that refuels on the screw of its gear shift cover 64; Dress is paid a gear shift fork assembly set 71, O-ring seals 72, is paid speed change support arm 73 usefulness packing rings 74 in cylindrical hole, nut 75 is fastening; Dress main transformer speed shifting fork bar 68 in sphere hole, with screw 70, packing ring 74, packing ring 11 location, fastening with pad 69, main shift lever cover plate 65, packing ring 66 and screw 67.Paper washer 45 is housed on the step surface on gearbox body 1 top, turn to cover 46 usefulness bolts 21, packing ring 11 is fastening.Turning to cover to be equipped with on 46 turns to shift fork assembly set 44, O V-shaped ring 48, spindle arm 49 usefulness packing rings 50 and 51, nut 52 fastening.Packing ring 40, oil discharge screw 41 are equipped with in the bottom of gearbox body 1 and rear portion; Thru-bolt 39 is equipped with in two sides.
Claims (3)
1, a kind of walker tractor transmission assembly mainly comprises six castellated shafts, three declutch shift shafts, gear shift covers and turns to lid that its six castellated shafts comprise clutch spindle, tween drive shaft, main variable shaft, central driving shaft, steering shaft and reverse gear shaft; Three declutch shift shafts comprise fast retaining declutch shift shaft, slowly keep off declutch shift shaft and pay shift fork shaft, it is characterized in that: clutch spindle (26) is by having the antifriction-bearing box (24) and (13) supporting of paying variable gear (27), tween drive shaft (31) has middling speed driving gear (22), high speed driving gear (33), axle sleeve (32), low-speed active gear (30), support by two antifriction-bearing boxs (63), main variable shaft (36) is equipped with high speed ring gear (15), main gear driving gear (34), low speed ring gear (37), two back-up rings (35), axle sleeve (18), O-ring seals (78), support by two antifriction-bearing boxs (16), central driving shaft (14) is equipped with transition gear (38), back-up ring (35) is supported by two antifriction-bearing boxs (13), steering shaft (6) is equipped with spring perch (9), turn to spring (10), steering gear (5), main gear ring gear (3), back-up ring (35) is bearing in the bearing cap shim (7) and paper washer (4) that two tapered roller bearings (8) are housed, with screw (12), packing ring (11) is fastening, reverse gear shaft (43) is equipped with reverse gear (42) by antifriction-bearing box (16) and (61) supporting, fast retaining declutch shift shaft (54) is gone up dress and is had shift fork spring (55), the quick shift fork (53) of steel ball (56), slowly keep off the last dress of declutch shift shaft (58) and have shift fork spring (55), slowly the retaining shift fork (57) of steel ball (56) pair shift fork shaft (60) is gone up dress and is had shift fork spring (55), pair gear shift fork (59) of steel ball (56), three declutch shift shafts all are bearing on the gearbox body (1), dress has rubber oil seal with reinforce (17) in the left side of gearbox body (1), back-up ring (19), the bearing cap shim (23) of paper washer (25), with bolt (21), packing ring (20) is fastening, dress has rubber oil seal with reinforce (17) on the right side of gearbox body (1), shaft-cup (62), the bearing cap shim (29) of paper washer (28) bolt (21), packing ring (11) is fastening, on the top of gearbox body (1) paper washer (47) is housed, straight pin (2) and gear shift cover (64) bolt (81), packing ring (80) is fastening, and dress is paid gear shift fork assembly set (71) in the cylindrical hole of gear shift cover (64), O-ring seals (72), pay speed change support arm (73) packing ring (74), nut (75) is fastening; Dress main transformer speed shifting fork bar (68) in sphere hole, with screw (70), packing ring (74), packing ring (11) location, fastening with pad (69), main shift lever cover plate (65), packing ring (66) and screw (67), paper washer (45) is housed on the step surface on gearbox body (1) top, turns to lid (46) fastening, turn to be equipped with on the lid (46) to turn to shift fork assembly set (44), O V-shaped ring (48), spindle arm (49) usefulness packing ring (50) and (51), nut (52) fastening with bolt (21), packing ring (11).
2, walker tractor transmission assembly according to claim 1 is characterized in that: packing ring (40), oil discharge screw (41) are equipped with in the bottom of gearbox body (1) and rear portion; Thru-bolt (39) is equipped with in two sides.
3, walker tractor transmission assembly according to claim 1 is characterized in that: adorn paper washer (79), oiling tube (76), oiling plug screw (77) on the screw of gear shift cover (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99224851 CN2383715Y (en) | 1999-08-20 | 1999-08-20 | Speed changing box assembly for walking tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99224851 CN2383715Y (en) | 1999-08-20 | 1999-08-20 | Speed changing box assembly for walking tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2383715Y true CN2383715Y (en) | 2000-06-21 |
Family
ID=34014820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99224851 Expired - Fee Related CN2383715Y (en) | 1999-08-20 | 1999-08-20 | Speed changing box assembly for walking tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2383715Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335094A (en) * | 2013-06-08 | 2013-10-02 | 广西开元农用机械制造有限公司 | Mini-tiller steering shifting fork sealing mechanism |
| CN103453084A (en) * | 2013-08-31 | 2013-12-18 | 刘海勇 | Transmission case assembly of mini-tiller |
-
1999
- 1999-08-20 CN CN 99224851 patent/CN2383715Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335094A (en) * | 2013-06-08 | 2013-10-02 | 广西开元农用机械制造有限公司 | Mini-tiller steering shifting fork sealing mechanism |
| CN103453084A (en) * | 2013-08-31 | 2013-12-18 | 刘海勇 | Transmission case assembly of mini-tiller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENYANG HUAYUAN KAIMA VEHICLES CO., LTD. Free format text: FORMER NAME OR ADDRESS: JINNIU MACHINERY GENERAL PLANT, SHENYANG |
|
| CP03 | Change of name, title or address |
Address after: 110023 No. 5 Shen Liao Middle Road, Tiexi District, Shenyang Patentee after: Huayuan Kaima Vehicle Co., Ltd., Shenyang Address before: Tiexi District of Shenyang Patentee before: Jinniu Machinery General Plant, Shenyang |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |