CN101117998A - Novel power gear shifting speed changing box for wheeled model digger - Google Patents
Novel power gear shifting speed changing box for wheeled model digger Download PDFInfo
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- CN101117998A CN101117998A CNA2007100171166A CN200710017116A CN101117998A CN 101117998 A CN101117998 A CN 101117998A CN A2007100171166 A CNA2007100171166 A CN A2007100171166A CN 200710017116 A CN200710017116 A CN 200710017116A CN 101117998 A CN101117998 A CN 101117998A
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- friction type
- type hydraulic
- hydraulic coupling
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Abstract
The present invention relates to a novel power shift speed change box of a wheel type excavator, and consists of an axle 1 (2) provided with a spline gear (7); an axle 2 (3) provided with a low-speed clutch gear (8) and a friction type hydraulic clutch 1 (9); an axle 3 (4) provided with a double-linked gear 1 (13), a friction type hydraulic clutch 2 (14), and a high-speed clutch gear (15); an axle 4 (5) provided with a low-speed double-linked gear (20); and an axle 5 (6) provided with a high-speed double-linked gear (22), etc.. A shifting gear (23) is arranged between the axle 4 (5) and the axle 5 (6), a shifting fork (24) arranged on a shifting oil cylinder (25) is connected with the shifting gear (23), the spline gear (7) is meshed with the friction type hydraulic clutch 1 (9), the friction type hydraulic clutch 1 (9) is meshed with the friction type hydraulic clutch 2 (14), the low-speed clutch gear (8) is meshed with the big end of the double-linked gear 1 (13), the small end of the double-linked gear 1 (13) is meshed with the big end of the low-speed double-linked gear (20), the high-speed clutch gear (15) is meshed with the big end of the high-speed double-linked gear (22), and the shifting gear (23) is meshed with the low-speed double-linked gear (20) and the small end of the high-speed double-linked gear (22). The present invention has the characteristics that the hydraulic power shifts a gear, a rear output drives a rear axle when the speed is high, double outputs of the front output and the rear output drive a front axle and a rear axle when the speed is low; the operation is convenient, and the cost is low, etc.
Description
One, technical field:
The invention belongs to engineering machinery field, the Powershift transmission that specifically a kind of middle-size and small-size novel wheel-type excavator is used.
Two, background technique:
In recent years, wheel excavator has mobility strong because of it, does not need characteristics such as private carrier, more and more is subjected to user's welcome.But the gearbox that present middle-size and small-size wheel excavator adopts mainly is import transmission assembly or the gearbox of using loader.Import gearbox deployment cost height, cost performance is lower; The loading machine gearbox volume is big, gear is many, mechanical gear shift, and efficient is low, can not satisfy construction requirement well.
Three, summary of the invention:
The objective of the invention is for wheel excavator provides a kind of novel Powershift transmission, it is by the hydraulic power gear shift; Export driving rear axle after during high speed; Dual output before and after during low speed, doube bridge drives; Handiness, cost is low.
For achieving the above object, the technological scheme that the present invention takes is: include housing, axle I, axle II, axle III, axle IV, axle V etc., be provided with the oil leab that is used to lubricate among axle II, the axle III; The end of axle I is provided with the internal spline dish, the other end is provided with external splines; The axle I by Bearing Installation in housing, the power intake of axle I, be that left end passes through its internal spline and is connected with the oil hydraulic motor of excavator, the right-hand member of axle I connects with spline gear by its external splines, the clutch oilhole I that be provided with in axle II that an end is communicated with friction type hydraulic coupling I, the other end is communicated with low speed oil inlet hole on the housing; The axle II two ends by Bearing Installation in housing, on the axle II low speed clutch gear, friction type hydraulic coupling I are housed, friction type hydraulic coupling 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 coupling I, the clutch hub body I arranged outside of friction type hydraulic coupling I has hub body gear I, and the right-hand member of axle II stretches out housing and is communicated with hydraulic pressure installation, the lubricating oil path of excavator; The axle III two ends by Bearing Installation in housing, axle III is equipped with duplicate gear I, friction type hydraulic coupling II, the high speed clutch gear, friction type hydraulic coupling 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 coupling II, the clutch hub body II arranged outside of friction type hydraulic coupling II has hub body gear II, the right-hand member of axle III stretches out housing, and with the hydraulic pressure installation of excavator, lubricating oil path is communicated with, and is provided with an end among the axle III and is communicated with friction type hydraulic coupling II, the clutch oilhole II that the other end is communicated with high speed oil inlet hole on the housing; On the left side of housing, axle IV left end stretches out housing and the preceding land that connects with front drive axle is housed axle IV, on the axle IV low speed duplicate gear is housed by Bearing Installation; On the right side of housing, axle V right-hand member stretches out housing and the back land that connects with back driving axle is housed axle V, on the axle V high speed duplicate gear is housed by Bearing Installation; 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 coupling 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 coupling II clutch hub body II of axle III of friction type hydraulic coupling 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.
The oil hydraulic motor of excavator flows to an I with power, and axle I drives axle II by spline gear and goes up friction type hydraulic coupling I; I " closes " as the friction type hydraulic coupling, axle III goes up friction type hydraulic coupling II " branch ", power shift gear moves to right, then friction type hydraulic coupling 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 drive 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 back driving axle again, realizes low speed front and back dual output, preceding rear bridge driven.And " close " when friction type hydraulic coupling I " branch ", axle III go up friction type hydraulic coupling II, when power shift gear moves to left, the hub body gear I of friction type hydraulic coupling I and the hub body gear II that axle III goes up friction type hydraulic coupling II mesh, friction type hydraulic coupling 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 back 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.Therefore has the hydraulic power gear shift; Export driving rear axle after during high speed; Dual output before and after during low speed, doube bridge drives; Handiness, characteristics such as cost is low.
Four, description of drawings
Accompanying drawing is a schematic representation of the present invention.
Five, embodiment
Accompanying drawing is one embodiment of the present of invention, includes housing 1, axle I2, axle II3, axle III4, axle IV5, axle V6; Be provided with the oil leab that is used to lubricate among axle II3, the axle III4; The end of axle I2 is provided with internal spline, the other end is provided with external splines; Axle I2 in housing 1, the power intake of axle I2, is that left end passes through its internal spline and is connected with the oil hydraulic motor of excavator by Bearing Installation, and the right-hand member of an I2 passes through its external splines and connects with spline gear 7; The axle II 3 two ends by Bearing Installation in housing 1, on the axle II3 low speed clutch gear 8 is housed, friction type hydraulic coupling I9, friction type hydraulic coupling I9 is on the right side of low speed clutch gear 8, the right-hand member of low speed clutch gear 8 connects with friction type hydraulic coupling I9, the clutch hub body I arranged outside of friction type hydraulic coupling I9 has hub body gear I10, the right-hand member of axle II3 stretches out housing 1, and with the hydraulic pressure installation of excavator, lubricating oil path is communicated with, and is provided with an end and is communicated with friction type hydraulic coupling I9 in axle II3, the clutch oilhole I12 that the other end is communicated with low speed oil inlet hole 11 on the housing 1; The axle III4 two ends by Bearing Installation in housing 1, axle III4 is equipped with duplicate gear I13, friction type hydraulic coupling II14, high speed clutch gear 15, friction type hydraulic coupling II14 is on the right side of duplicate gear I13, high speed clutch gear 15 is equipped with on right side at friction type hydraulic coupling II14, the clutch hub body II arranged outside of friction type hydraulic coupling II14 has hub body gear II15, the right-hand member of axle III4 stretches out housing 1, and with the hydraulic pressure installation of excavator, lubricating oil path is communicated with, and is provided with an end among the axle III4 and is communicated with friction type hydraulic coupling II14, the clutch oilhole II18 that the other end is communicated with high speed oil inlet hole 17 on the housing 1; On the left side of housing 1, axle IV5 left end stretches out housing 1 and the preceding land 19 that connects with front drive axle is housed axle IV5, on the axle IV5 low speed duplicate gear 20 is housed by Bearing Installation; On the right side of housing 1, axle V6 right-hand member stretches out housing 1 and the back land 21 that connects with back driving axle is housed axle V6, on the axle V6 high speed duplicate gear 22 is housed by Bearing Installation; 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 23 that internal tooth is set is housed, power shift gear 23 connects with shift fork 24, shift fork 24 is installed on the gearshift oil cylinder 25, and gearshift oil cylinder 25 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 24 control power shift gears 23 by gearshift oil cylinder 25; When power shift gear 23 moved to left, the internal tooth of power shift gear 23 separated with the small end that axle V6 goes up high speed duplicate gear 22, and the internal tooth of power shift gear 23 is only gone up the small end engagement of low speed duplicate gear 20 with axle IV5, and the small end engagement of not going up high speed duplicate gear 22 with axle V6; When power shift gear 23 moves to right, the internal tooth of power shift gear 23 meshes with the small end that axle V6 goes up high speed duplicate gear 22, the internal tooth of power shift gear 23 is not only gone up the small end engagement of low speed duplicate gear 20 with axle IV5, also go up the small end engagement of high speed duplicate gear 22 simultaneously with axle V6.
The oil hydraulic motor of excavator flows to an I2 with power, and axle I2 drives axle II3 by spline gear 7 and goes up friction type hydraulic coupling I9; I9 " closes " as the friction type hydraulic coupling, axle III4 goes up friction type hydraulic coupling II14 " branch ", power shift gear 23 moves to right, then friction type hydraulic coupling I9 drives low speed clutch gear 8, low speed clutch gear 8 meshes with the big end of duplicate gear I13, the big end engagement of the small end of duplicate gear I13 and low speed duplicate gear 20, low speed duplicate gear 20 drives front drive axle by axle IV5, the small end of low speed duplicate gear 20 is by power shift gear 23 simultaneously, high speed duplicate gear 22 drives axle V6, axle V6 drives back driving axle again, realizes low speed front and back dual output, preceding rear bridge driven.And when friction type hydraulic coupling I9 " branch ", friction type hydraulic coupling II14 " close ", when power shift gear 23 moves to left, the hub body gear II16 engagement of the hub body gear I10 of friction type hydraulic coupling I9 and friction type hydraulic coupling II14, friction type hydraulic coupling II14 drives high speed clutch gear 15, high speed clutch gear 15 meshes with the big end of high speed duplicate gear 22, high speed duplicate gear 22 drives axle V6, axle V6 drives back driving axle, thereby realize back output at a high speed, rear bridge driven, propons does not drive.Therefore has the hydraulic power gear shift; Export driving rear axle after during high speed; Dual output before and after during low speed, doube bridge drives; Handiness, characteristics such as cost is low.
Claims (1)
1. a novel power gear shifting speed changing box for wheeled model digger is characterized in that including housing (1), axle I (2), axle II (3), axle III (4), axle IV (5), axle V (6); Be provided with the oil leab that is used to lubricate among axle II (3), the axle III (4); The end of axle I (2) is provided with the internal spline dish, the other end is provided with external splines; The power intake of axle I (2), be that left end passes through its internal spline and is connected with the oil hydraulic motor of excavator, the right-hand member of an I (2) passes through its external splines and connects with spline gear (7); The axle II (3) two ends by Bearing Installation in housing (1), on the axle II (3) low speed clutch gear (8) is housed, friction type hydraulic coupling I (9), friction type hydraulic coupling I (9) is on the right side of low speed clutch gear (8), the right-hand member of low speed clutch gear (8) connects with friction type hydraulic coupling I (9), the clutch hub body I arranged outside of friction type hydraulic coupling I (9) has hub body gear I (10), the right-hand member of axle II (3) stretches out housing (1), and with the hydraulic pressure installation of excavator, lubricating oil path is communicated with, and is provided with an end and is communicated with friction type hydraulic coupling I (9) in axle II (3), the clutch oilhole I (12) that the other end is communicated with low speed oil inlet hole (11) on the housing (1); The axle III (4) two ends by Bearing Installation in housing (1), axle III (4) is equipped with duplicate gear I (13), friction type hydraulic coupling II (14), high speed clutch gear (15), friction type hydraulic coupling II (14) is on the right side of duplicate gear I (13), on the right side of friction type hydraulic coupling II (14) high speed clutch gear (15) is housed, the clutch hub body II arranged outside of friction type hydraulic coupling II (14) has hub body gear II (16), the right-hand member of axle III (4) stretches out housing (1), and with the hydraulic pressure installation of excavator, lubricating oil path is communicated with, and is provided with an end among the axle III (4) and is communicated with friction type hydraulic coupling II (14), the clutch oilhole II (18) that the other end is communicated with high speed oil inlet hole (17) on the housing (1); On the left side of housing (1), axle IV (5) left end stretches out housing (1) and the preceding land (19) that connects with front drive axle is housed axle IV (5), on the axle IV (5) low speed duplicate gear (20) is housed by Bearing Installation; On the right side of housing (1), axle V (6) right-hand member stretches out housing (1) and the back land (21) that connects with back driving axle is housed axle V (6), on the axle V (6) high speed duplicate gear (22) is housed by Bearing Installation; 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 (23) that internal tooth is set is housed, power shift gear (23) connects with shift fork (24), shift fork (24) is installed on the gearshift oil cylinder (25), and gearshift oil cylinder (25) is installed on the housing (1) and stretches out housing (1) and is communicated with the hydraulic circuit of excavator; Spline gear (7) on the axle I (2) meshes with the hub body gear I (10) that axle II (3) goes up friction type hydraulic coupling I (9) clutch hub body I, axle II (3) goes up the hub body gear I (10) and upward hub body gear II (16) engagement of friction type hydraulic coupling II (14) clutch hub body II of axle III (4) of friction type hydraulic coupling I (9) clutch hub body I, the big end engagement that axle II (3) goes up low speed clutch gear (8) and axle III (4) goes up duplicate gear I (13), axle III (4) goes up the small end and the upward big end engagement of low speed duplicate gear (20) of axle IV (5) of duplicate gear I (13), the big end engagement that axle III (4) goes up high speed clutch gear (15) and axle V (6) goes up high speed duplicate gear (22), the power shift gear (23) between axle IV (5) and the axle V (6) is gone up the small end of low speed duplicate gear (20) by its internal tooth and axle IV (5), axle V (6) goes up the small end engagement of high speed duplicate gear (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100171166A CN100516588C (en) | 2007-08-29 | 2007-08-29 | Novel power gear shifting speed changing box for wheeled model digger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100171166A CN100516588C (en) | 2007-08-29 | 2007-08-29 | Novel power gear shifting speed changing box for wheeled model digger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101117998A true CN101117998A (en) | 2008-02-06 |
| CN100516588C CN100516588C (en) | 2009-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100171166A Expired - Fee Related CN100516588C (en) | 2007-08-29 | 2007-08-29 | Novel power gear shifting speed changing box for wheeled model digger |
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| Country | Link |
|---|---|
| CN (1) | CN100516588C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338273A (en) * | 2011-09-26 | 2012-02-01 | 三一重工股份有限公司 | Land leveler and forced lubricating system thereof |
-
2007
- 2007-08-29 CN CNB2007100171166A patent/CN100516588C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338273A (en) * | 2011-09-26 | 2012-02-01 | 三一重工股份有限公司 | Land leveler and forced lubricating system thereof |
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| Publication number | Publication date |
|---|---|
| CN100516588C (en) | 2009-07-22 |
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Granted publication date: 20090722 Termination date: 20170829 |
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| CF01 | Termination of patent right due to non-payment of annual fee |