CN101144283B - Full-hydraulic wheel type digging machine shifted by hydraulic power - Google Patents
Full-hydraulic wheel type digging machine shifted by hydraulic power Download PDFInfo
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- CN101144283B CN101144283B CN2007100171185A CN200710017118A CN101144283B CN 101144283 B CN101144283 B CN 101144283B CN 2007100171185 A CN2007100171185 A CN 2007100171185A CN 200710017118 A CN200710017118 A CN 200710017118A CN 101144283 B CN101144283 B CN 101144283B
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Abstract
The present invention relates to a novel full hydraulic wheel type excavator shifting with hydraulic power. A cab, a hydraulic controlling device and an excavating device are arranged on a wheel type chassis driven by a front bridge and a back bridge, and the walking gearbox in the wheel type chassis adopts a hydraulic power shifting gearbox containing a casing body (1) as well as an axle I (2), an axle II (3), an axle III (4), an axle IV (5), an axle V (6) etc., the axle I (2) is connected with a hydraulic motor (7) and is provided with a spline gear (8), the axle II (3) is provided with a low-speed brake gear(9) and a friction type hydraulic clutch I (10), and the axle III (4) is provided with a double-linked gear I (12) , a friction type hydraulic clutch II (13), and a high-speed clutch gear (14), the axle IV (5) is connected with a front driving bridge (21) in parallel and is provided with a low-speed double-linked gear (16), and the axle V (6) is connected with a back driving bridge (22) and is provided with a high-speed double-linked gear (17); a shifting gear (18) connected with a shifting fork (19) is arranged between the axle IV (5) and the axle V (6). The present invention has the advantages of hydraulic power shifting, high speed driving back bridge, low speed driving front bridge and back bridge, convenient manipulation, etc.
Description
Technical field
The present invention relates to a kind of engineering machinery, a kind of specifically all-hydraulic wheel excavator of hydraulic power gear shift.
Background technology
Excavator is widely used as multiduty engineering machinery.Especially in recent years, the mini-excavator development is very fast.Wheel excavator does not need characteristics such as technical transport because it has mobility strong, more and more is subjected to user's welcome.
Present domestic wheel excavator running gear mostly is high-pressure and hydraulic oil greatly and drives variable displacement motor drive gearbox, realizes speed change.Gearbox divides two grades of high low speed, and front and back output utilizes the rotating of motor to realize moving forward and backward.But gearbox mainly is the import transmission assembly, perhaps uses loading machine gearbox.Import gearbox deployment cost height, cost performance is lower; The loading machine gearbox volume is big, gear is many, speed ratio is little, mechanical gear shift, and efficient is low, can not satisfy the needs of construction well.
Summary of the invention
The purpose of this invention is to provide a kind of novel all-hydraulic wheel excavator that carries out power shift by hydraulic pressure.Adopt the hydraulic power gear shift, easy to operate, output shaft is divided into former and later two; Can when running at high speed, export behind the Powershift transmission, drive back axle; When running at a low speed, the antero posterior axis dual output, bridge before and after driving is simultaneously realized two the driving.
The object of the present invention is achieved like this, gearbox to stoste pinch roller formula excavator improves, designed by hydraulically powered Powershift transmission, it is the wheel undercarriage of rear bridge driven before the present invention includes, driver's cabin, hydraulic control unit are housed and by the excavating gear of hydraulic control on the wheel undercarriage, it is characterized in that the walking gearbox in the wheel undercarriage is the hydraulic power shift transmission, the hydraulic power shift transmission includes housing, axle I, axle II, axle III, axle IV, axle V etc.; Axle I is installed in the housing by bearing, and axle I is a power input shaft, and axle IV, axle V are semiaxis; The power intake of axle I, be that left end is connected with the hydraulic motor of excavator, the right-hand member of spool I is equipped with spline gear, the clutch oilhole I that be provided with in axle II that an end is communicated with friction-type hydraulic clutch I, the other end is communicated with low speed fuel feed hole on the housing; The two ends of axle II are installed in the housing by bearing, on the axle II low speed clutch gear, friction-type hydraulic clutch I are housed, friction-type hydraulic clutch I is on the right side of low speed clutch gear, the right-hand member of low speed clutch gear connects with friction-type hydraulic clutch I, the clutch hub body I arranged outside of friction-type hydraulic clutch I has hub body gear I, and the right-hand member of axle II stretches out housing and is communicated with hydraulic means, the lubricant passage way of excavator; The two ends of axle III are installed in the housing by bearing, axle III is equipped with duplicate gear I, friction-type hydraulic clutch II, the high speed clutch gear, friction-type hydraulic clutch II is on the right side of duplicate gear I, the high speed clutch gear is equipped with on right side at friction-type hydraulic clutch II, the clutch hub body II arranged outside of friction-type hydraulic clutch II has hub body gear II, the right-hand member of axle III stretches out housing, and with the hydraulic means of excavator, lubricant passage way is communicated with, and is provided with an end among the axle III and is communicated with friction-type hydraulic clutch II, the clutch oilhole II that the other end is communicated with high speed fuel feed hole on the housing; Axle IV is installed in by bearing on the left side of housing, and axle IV left end stretches out housing and connects with the front driving axle of excavator, on the axle IV low speed duplicate gear is housed; Axle V is installed in by bearing on the right side of housing, and axle V right-hand member stretches out housing and connects with the rear driving axle of excavator, on the axle V high speed duplicate gear is housed; Axle IV and axle V coaxial line, axle IV is equipped with the power shift gear that internal tooth is set in the left side of axle V between axle IV and axle V, power shift gear connects with shift fork, shift fork is installed on the gearshift oil cylinder, and the gearshift oil cylinder is installed on the housing and stretches out housing and is communicated with the hydraulic circuit of excavator.Move to left or move to right by the fork controls power shift gear by the gearshift oil cylinder; When power shift gear moved to left, the internal tooth of power shift gear separated with the small end that axle V goes up the high speed duplicate gear, and the internal tooth of power shift gear is only gone up the small end engagement of low speed duplicate gear with axle IV, and the small end engagement of not going up the high speed duplicate gear with axle V; When power shift gear moves to right, the small end engagement that the internal tooth of power shift gear and axle V go up the high speed duplicate gear, the internal tooth of power shift gear is not only gone up the small end engagement of low speed duplicate gear with axle IV, also go up the small end engagement of high speed duplicate gear simultaneously with axle V.
Spline gear on the axle I meshes with the hub body gear I that axle II goes up friction-type hydraulic clutch I clutch hub body I, axle II goes up the hub body gear I and the upward hub body gear II engagement of friction-type hydraulic clutch II clutch hub body II of axle III of friction-type hydraulic clutch I clutch hub body I, the big end engagement that axle II goes up the low speed clutch gear and axle III goes up duplicate gear I, axle III goes up the small end and the upward big end engagement of low speed duplicate gear of axle IV of duplicate gear I, the big end engagement that axle III goes up the high speed clutch gear and axle V goes up the high speed duplicate gear, the power shift gear between axle IV and the axle V is gone up the small end of low speed duplicate gear by its internal tooth and axle IV, axle V goes up the small end engagement of high speed duplicate gear.
Handle the hydraulic control unit of excavator, the hydraulic motor of hydraulic control unit flows to an I with power, and axle I drives axle II by spline gear and goes up friction-type hydraulic clutch I; I " closes " as the friction-type hydraulic clutch, axle III goes up friction-type hydraulic clutch II " branch ", power shift gear moves to right, then friction-type hydraulic clutch I drives axle II and goes up the low speed clutch gear, the low speed clutch gear meshes with the big end that axle III goes up duplicate gear I, the small end of duplicate gear I meshes with the big end that axle IV goes up the low speed duplicate gear, the low speed duplicate gear drives front driving axle by axle IV, the small end of low speed duplicate gear passes through power shift gear simultaneously, axle V goes up the high speed duplicate gear and drives axle V, axle V drives rear driving axle again, realizes low speed front and back dual output, preceding rear bridge driven.And " close " when friction-type hydraulic clutch I " branch ", axle III go up friction-type hydraulic clutch II, when power shift gear moves to left, the hub body gear I of friction-type hydraulic clutch I and the hub body gear II that axle III goes up friction-type hydraulic clutch II mesh, friction-type hydraulic clutch II drives the high speed clutch gear, the high speed clutch gear meshes with the big end that axle V goes up the high speed duplicate gear, the high speed duplicate gear drives axle V, and axle V drives rear driving axle; This moment, axle IV did not rotate because power shift gear moves to left, and the internal tooth of power shift gear separates with the small end of high speed duplicate gear, thereby realized back output at a high speed, rear bridge driven, and propons does not drive.Friction-type hydraulic clutch I " closes " or " branch ", axle III go up that friction-type hydraulic clutch II " closes " or " branch ", power shift gear move left and right are all controlled by hydraulic control unit.Therefore has the hydraulic power gear shift; Export after during high speed, drive back axle; Dual output before and after during low speed, doube bridge drives; Characteristics such as handiness.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
Accompanying drawing is embodiments of the invention, the wheel undercarriage of rear bridge driven before including, driver's cabin, hydraulic control unit are housed and by the excavating gear of hydraulic control on the wheel undercarriage, walking gearbox in the wheel undercarriage is the hydraulic power shift transmission, and the hydraulic power shift transmission includes housing 1, axle I 2, axle II 3, axle III4, axle IV5, axle V 6 etc.; Axle I 2 is installed in the housing 1 by bearing, and axle I 2 is a power input shaft, and axle IV5, axle V6 are semiaxis; The power intake of axle I 2, be that left end is connected with the hydraulic motor 7 of excavator, the right-hand member of spool I 2 is equipped with spline gear 8; The clutch oilhole I that be provided with in axle II3 that an end is communicated with friction-type hydraulic clutch I 10, the other end is communicated with low speed fuel feed hole on the housing 1; The two ends of axle II 3 are installed in the housing 1 by bearing, on the axle II 3 low speed clutch gear 9, friction-type hydraulic clutch I 10 are housed, friction-type hydraulic clutch I10 is on the right side of low speed clutch gear 9, the right-hand member of low speed clutch gear 9 connects with friction-type hydraulic clutch I 10, the clutch hub body I arranged outside of friction-type hydraulic clutch I 10 has hub body gear I 11, and the right-hand member of axle II 3 stretches out housing 1 and is communicated with hydraulic means, the lubricant passage way of excavator; The two ends of axle III4 are installed in the housing 1 by bearing, axle III4 is equipped with duplicate gear I 12, friction-type hydraulic clutch II 13, high speed clutch gear 14, friction-type hydraulic clutch II 13 right sides at duplicate gear I 12, high speed clutch gear 14 is equipped with on right side at friction-type hydraulic clutch II 13, the clutch hub body II arranged outside of friction-type hydraulic clutch II 13 has hub body gear II 15, the right-hand member of axle III4 stretches out housing 1, and with the hydraulic means of excavator, lubricant passage way is communicated with, and is provided with an end among the axle III4 and is communicated with friction-type hydraulic clutch II 13, the clutch oilhole II that the other end is communicated with high speed fuel feed hole on the housing 1; Axle IV5 is installed in by bearing on the left side of housing 1, and axle IV5 left end stretches out housing 1 and connects with the front driving axle 21 of excavator, on the axle IV5 low speed duplicate gear 16 is housed; Axle V6 is installed in by bearing on the right side of housing 1, and axle V6 right-hand member stretches out housing 1 and connects with the rear driving axle 22 of excavator, on the axle V6 high speed duplicate gear 17 is housed; Axle IV5 and axle V6 coaxial line, axle IV5 is in the left side of axle V6, between axle IV5 and axle V6, the power shift gear 18 that internal tooth is set is housed, power shift gear 18 connects with shift fork 19, shift fork 19 is installed on the gearshift oil cylinder 20, and gearshift oil cylinder 20 is installed on the housing 1 and stretches out housing 1 and is communicated with the hydraulic circuit of excavator.Move to left or move to right by shift fork 19 control power shift gears 18 by gearshift oil cylinder 20; When power shift gear 18 moved to left, the internal tooth of power shift gear 18 separated with the small end that axle V6 goes up high speed duplicate gear 17, and the internal tooth of power shift gear 18 is only gone up the small end engagement of low speed duplicate gear 16 with axle IV5, and the small end engagement of not going up high speed duplicate gear 17 with axle V6; When power shift gear 18 moves to right, the internal tooth of power shift gear 18 meshes with the small end that axle V6 goes up high speed duplicate gear 17, this moment power shift gear 18 the internal tooth small end engagement of not only going up low speed duplicate gear 16 with axle IV5, the small end engagement of also going up high speed duplicate gear 17 simultaneously with axle V6.
Hub body gear I 11 engagements of friction-type hydraulic clutch I 10 clutch hub body I on spline gear 8 on the axle I 2 and the axle II 3, the hub body gear I11 of friction-type hydraulic clutch I 10 clutch hub body I meshes with the hub body gear II 15 that axle III4 goes up friction-type hydraulic clutch II 13 clutch hub body II on the axle II 3, low speed clutch gear 9 meshes with the big end that axle III4 goes up duplicate gear I 12 on the axle II 3, axle III4 goes up the small end and the upward big end engagement of low speed duplicate gear 16 of axle IV5 of duplicate gear I12, the big end engagement that axle III4 goes up high speed clutch gear 14 and axle V6 goes up high speed duplicate gear 17, the power shift gear 18 between axle IV5 and the axle V6 is gone up the small end of low speed duplicate gear 16 by its internal tooth and axle IV5, axle V6 goes up the small end engagement of high speed duplicate gear 17.
Handle the hydraulic control unit of excavator, the hydraulic motor 7 of hydraulic control unit flows to an I 2 with power, and axle I 2 drives friction-type hydraulic clutch I 10 on the axle II 3 by spline gear 8; As friction-type hydraulic clutch I 10 " closing ", axle III4 goes up friction-type hydraulic clutch II 13 " branch ", when power shift gear 18 moves to right, then friction-type hydraulic clutch I 10 drives low speed clutch gear 9 on the axle II 3, low speed clutch gear 9 meshes with the big end that axle III14 goes up duplicate gear I 12, the small end of duplicate gear I 12 meshes with the big end that axle IV5 goes up low speed duplicate gear 16, low speed duplicate gear 16 drives front driving axle 21 by axle IV5, the small end of low speed duplicate gear 16 is by power shift gear 18 simultaneously, axle V6 goes up high speed duplicate gear 17 and drives axle V6, axle V6 drives rear driving axle 22, realizes low speed front and back dual output, preceding rear bridge driven.And as friction-type hydraulic clutch I 10 " branch ", the last friction-type hydraulic clutch II 13 " closing " of axle III4, when power shift gear 18 moves to left, the hub body gear I 11 of friction-type hydraulic clutch I 10 and the hub body gear II 15 that axle III4 goes up friction-type hydraulic clutch II 13 mesh, friction-type hydraulic clutch II 13 drives high speed clutch gear 14, the big end engagement of high speed duplicate gear 17 on high speed clutch gear 14 and the axle V 6, high speed duplicate gear 17 drives axle V6, and axle V6 drives rear driving axle 22; This moment, axle IV5 did not rotate because power shift gear 18 moves to left, and the internal tooth of power shift gear 18 separates with the small end of high speed duplicate gear 17, thereby realized back output at a high speed, rear bridge driven, and propons does not drive.Friction-type hydraulic clutch II 13 " closing " or " branch ", power shift gear 18 move left and right are all controlled by hydraulic control unit on friction-type hydraulic clutch I 10 " closing " or " branch ", the axle III4.Only need control hydraulic motor 7 just, reversing, just can realize of the present inventionly advancing or retreating.Therefore has the hydraulic power gear shift; Export after during high speed, drive back axle; Dual output before and after during low speed, doube bridge drives; Characteristics such as handiness.
Claims (1)
1. the all-hydraulic wheel excavator of a hydraulic power gear shift, the wheel undercarriage of rear bridge driven before including, driver's cabin, hydraulic control unit are housed and by the excavating gear of hydraulic control on the wheel undercarriage, it is characterized in that the walking gearbox in the wheel undercarriage is the hydraulic power shift transmission, the hydraulic power shift transmission includes housing (1), axle I (2), axle II (3), axle III (4), axle IV (5), axle V (6); Axle I (2) is a power input shaft, and axle IV (5), axle V (6) are semiaxis; Axle I (2) is installed in the housing (1) by bearing, the power intake of axle I (2), be that left end is connected with the hydraulic motor (7) of excavator, the right-hand member of axle I (2) is equipped with spline gear (8), being provided with an end in axle II (3) is communicated with friction-type hydraulic clutch I (10), the clutch oilhole I that the other end is communicated with low speed fuel feed hole on the housing (1), the two ends of axle II (3) are installed in the housing (1) by bearing, on the axle II (3) low speed clutch gear (9) is housed, friction-type hydraulic clutch I (10), friction-type hydraulic clutch I (10) is on the right side of low speed clutch gear (9), the right-hand member of low speed clutch gear (9) connects with friction-type hydraulic clutch I (10), the clutch hub body I arranged outside of friction-type hydraulic clutch I (10) has hub body gear I (11), the right-hand member of axle II (3) stretches out housing (1), and with the hydraulic means of excavator, lubricant passage way is communicated with, the two ends of axle III (4) are installed in the housing (1) by bearing, axle III (4) is equipped with duplicate gear I (12), friction-type hydraulic clutch II (13), high speed clutch gear (14), friction-type hydraulic clutch II (13) is on the right side of duplicate gear I (12), on the right side of friction-type hydraulic clutch II (13) high speed clutch gear (14) is housed, the clutch hub body II arranged outside of friction-type hydraulic clutch II (13) has hub body gear II (15), the right-hand member of axle III (4) stretches out housing (1), and with the hydraulic means of excavator, lubricant passage way is communicated with, and is provided with an end among the axle III (4) and is communicated with friction-type hydraulic clutch II (13), the clutch oilhole II that the other end is communicated with high speed fuel feed hole on the housing (1); Axle IV (5) is installed in by bearing on the left side of housing (1), and axle IV (5) left end stretches out housing (1) and connects with the front driving axle (21) of excavator, on the axle IV (5) low speed duplicate gear (16) is housed; Axle V (6) is installed in by bearing on the right side of housing (1), and axle V (6) right-hand member stretches out housing (1) and connects with the rear driving axle (22) of excavator, on the axle V (6) high speed duplicate gear (17) is housed; Axle IV (5) and axle V (6) coaxial line, axle IV (5) is in the left side of axle V (6), between axle IV (5) and axle V (6), the power shift gear (18) that internal tooth is set is housed, power shift gear (18) connects with shift fork (19), shift fork (19) is installed on the gearshift oil cylinder (20), and gearshift oil cylinder (20) is installed on the housing (1) and stretches out housing (1) and is communicated with the hydraulic circuit of excavator; Spline gear (8) on the axle I (2) meshes with the hub body gear I (11) that axle II (3) goes up friction-type hydraulic clutch I (10) clutch hub body I, axle II (3) goes up the hub body gear I (11) and upward hub body gear II (15) engagement of friction-type hydraulic clutch II (13) clutch hub body II of axle III (4) of friction-type hydraulic clutch I (10) clutch hub body I, the big end engagement that axle II (3) goes up low speed clutch gear (9) and axle III (4) goes up duplicate gear I (12), axle III (4) goes up the small end and the upward big end engagement of low speed duplicate gear (16) of axle IV (5) of duplicate gear I (12), the big end engagement that axle III (4) goes up high speed clutch gear (14) and axle V (6) goes up high speed duplicate gear (17), the power shift gear (18) between axle IV (5) and the axle V (6) is gone up the small end of low speed duplicate gear (16) by its internal tooth and axle IV (5), axle V (6) goes up the small end engagement of high speed duplicate gear (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100171185A CN101144283B (en) | 2007-08-29 | 2007-08-29 | Full-hydraulic wheel type digging machine shifted by hydraulic power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100171185A CN101144283B (en) | 2007-08-29 | 2007-08-29 | Full-hydraulic wheel type digging machine shifted by hydraulic power |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101144283A CN101144283A (en) | 2008-03-19 |
| CN101144283B true CN101144283B (en) | 2010-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100171185A Expired - Fee Related CN101144283B (en) | 2007-08-29 | 2007-08-29 | Full-hydraulic wheel type digging machine shifted by hydraulic power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101144283B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072289B (en) * | 2011-01-28 | 2013-10-23 | 江阴克威齿轮箱制造有限公司 | Reducer with changeable transmission ratio |
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2007
- 2007-08-29 CN CN2007100171185A patent/CN101144283B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101144283A (en) | 2008-03-19 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20170829 |