CN206130005U - High low -grade hydraulic transmission box of loader - Google Patents
High low -grade hydraulic transmission box of loader Download PDFInfo
- Publication number
- CN206130005U CN206130005U CN201621194987.6U CN201621194987U CN206130005U CN 206130005 U CN206130005 U CN 206130005U CN 201621194987 U CN201621194987 U CN 201621194987U CN 206130005 U CN206130005 U CN 206130005U
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- CN
- China
- Prior art keywords
- gear
- pan
- clutch
- countershaft
- input
- 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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- Structure Of Transmissions (AREA)
- General Details Of Gearings (AREA)
Abstract
The utility model belongs to the technical field of the speed change gear of loader, specifically speaking relates to a high low -grade hydraulic transmission box of loader. Including transmission housing with establish power input mechanism, drive mechanism and the power take off mechanism in transmission housing, power input mechanism includes the input shaft and installs at the epaxial input gear of input, power take off mechanism includes the output shaft, drive mechanism includes separation and reunion drive mechanism, jackshaft drive mechanism and high low -speed switching mechanism. The utility model discloses an advantage: 1, the inside transmission structure of reconstruction gearbox, the product structure is more reasonable, 2, output shaft height low -speed switches, has realized the output of many gears, simultaneously, can adjust out different velocity ratios according to the different demands of customer, can satisfy the variety of product, 3, the processing of gearbox spare part, assembly simply can reduce intensity of labour, practice thrift the cost.
Description
Technical field
This utility model belongs to the speed change gear technical field of loader, specifically, is related to a kind of loader high and low shift
Hydraulic transmission box.
Background technology
Limited by reasons such as manufacturing cost, technologies, on existing domestic small sized loader using mechanical gearbox more
Extensively.Although this mechanical gearbox production cost is relatively low, the function of automatic torque-changing cannot be realized, handling is poor,
Change speed gear box of the small part with bending moment function is less due to gear, and between adjacent gear positions, speed is less than difference, in causing the course of work
Inefficiency.
Utility model content
The purpose of this utility model is for the problems referred to above, there is provided one kind can realize hydraulic moment changeable, is provided simultaneously with multiple
Gear, disclosure satisfy that the loader high and low shift hydraulic transmission box of work requirements under loader difference operating mode.
To solve the above problems, the technical scheme adopted by this utility model is：
A kind of loader high and low shift hydraulic transmission box, including gear box casing and the power input being located in transmission housing body
Mechanism, drive mechanism and power take-off mechanism；The power input mechanism includes input shaft and the input on input shaft
Gear；The power take-off mechanism includes output shaft；It is characterized in that：The drive mechanism includes clutch transmission, centre
Shaft transmission and high low speed switching mechanism；
The clutch transmission includes：First Pan Gu's gear, second Pan Gu's gear, the 3rd Pan Gu's gear, the 4th Pan Gu
Gear, forward gear clutch axle, the forward gear clutch gear ring on forward gear clutch axle, reverse clutch axle and peace
The reverse clutch gear ring being mounted on reverse clutch axle；First Pan Gu gear, the 3rd Pan Gu's gear pass through clutch respectively
Device friction plate is connected with the arranged on left and right sides of forward gear clutch gear ring；Second Pan Gu gear, the 4th Pan Gu's gear difference
It is connected with the arranged on left and right sides of reverse clutch gear ring by clutch friction plate；The input gear simultaneously with first Pan Gu
Gear, second Pan Gu's gear are meshed；3rd Pan Gu's gear is often engaged with the 4th Pan Gu's gear；
The middle shaft transmission includes：Jackshaft and the first countershaft-gear being fixedly mounted on jackshaft, the
Two countershaft-gears and the 3rd countershaft-gear；Second countershaft-gear is often engaged with the 4th Pan Gu's gear；
The high low speed switching mechanism includes：High gear, low-speed gear on output shaft, and by being bonded
Mode is connect on output shaft, for realizing the sliding sleeve switched between high gear and low-speed gear, for stirring sliding sleeve
Pull-fork assembly；The low-speed gear is often engaged with the first countershaft-gear；The high gear is often nibbled with the 3rd countershaft-gear
Close.
Beneficial effect：Compared with prior art, the utility model has the advantage of：
1st, the drive mechanism of transmission internal is reconfigured, product structure is more reasonable；
2nd, the high low speed switching of output shaft band, realizes many gear outputs, meanwhile, can be adjusted out according to client's different demands
Do not compare at the same speed, the multiformity of product can be met；
3rd, change speed gear box parts machining, assembling are simple, it is possible to decrease labor intensity, cost-effective.
Description of the drawings
Fig. 1 is operation principle schematic diagram of the present utility model.
In figure：1- input gears；2- input shafts；3- forward gear clutch gear rings；4- forward gear clutch axles；The first disks of 5-
Ancient gear；6- reverse clutch gear rings；7- reverse clutch axles；8- second Pan Gu gears；The first countershaft-gears of 9-；In 10-
Countershaft；11- output shafts；The 3rd Pan Gu's gears of 14-；The 4th Pan Gu's gears of 16-；The second countershaft-gears of 17-；In the middle of 18- the 3rd
Shaft gear；19- high gears；21- sliding sleeves；22- pull-fork assemblies；23- low-speed gears.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
With reference to Fig. 1, loader high and low shift hydraulic transmission box described in the utility model, including gear box casing and it is located at speed change
Power input mechanism, drive mechanism and power take-off mechanism in tank shell；The power input mechanism includes input shaft 2 and peace
The input gear 1 being mounted on input shaft 2；The power take-off mechanism includes output shaft 11.The drive mechanism includes that clutch is passed
Motivation structure, middle shaft transmission and high low speed switching mechanism.
The clutch transmission includes：First Pan Gu's gear 5, second Pan Gu's gear 8, the 3rd Pan Gu's gear the 14, the 4th
Pan Gu's gear 16, forward gear clutch axle 4, the forward gear clutch gear ring 3, reverse gear on forward gear clutch axle 4 from
Clutch axle 7 and the reverse clutch gear ring 6 on reverse clutch axle 7.First Pan Gu gear 5, the 3rd Pan Gu's tooth
Wheel 14 is connected with the arranged on left and right sides of forward gear clutch gear ring 3 by clutch friction plate respectively；Second Pan Gu gear
8th, the 4th Pan Gu's gear 16 is connected with the arranged on left and right sides of reverse clutch gear ring 6 by clutch friction plate respectively；It is described defeated
Enter gear 1 while being meshed with first Pan Gu's gear 5, second Pan Gu's gear 8；3rd Pan Gu's gear 14 and the 4th Pan Gu's tooth
Wheel 16 is often engaged.
The middle shaft transmission includes：Jackshaft 10 and the first countershaft-gear being fixedly mounted on jackshaft 10
9th, the second countershaft-gear 17 and the 3rd countershaft-gear 18；Second countershaft-gear 17 is often nibbled with the 4th Pan Gu's gear 16
Close.
The high low speed switching mechanism includes：High gear 19, low-speed gear 23, Yi Jitong on output shaft 11
Bonded mode is crossed on the output shaft 11, for realize switching between high gear 19 and low-speed gear 23 sliding sleeve 21,
For stirring the pull-fork assembly 22 of sliding sleeve 21；The low-speed gear 23 is often engaged with the first countershaft-gear 9；The high gear
19 are often engaged with the 3rd countershaft-gear 18.
Operation principle of the present utility model is described below：
(1) control fluid and enter 3 rear and front end of forward gear clutch gear ring simultaneously
The clutch friction plate of 3 both sides of forward gear clutch gear ring works, and input gear 1 drives first Pan Gu's gear 5
Rotate, first Pan Gu's gear 5 drives forward gear clutch gear ring 3 to rotate, and second Pan Gu's gear 8, reverse clutch gear ring 6 are with
Shelves clutch shaft 7 is dallied together, does not transmit power；Forward gear clutch gear ring 3 drives the 3rd Pan Gu's gear 14 to rotate, the 3rd disk
Ancient gear 14 drives the 4th Pan Gu's gear 16 to rotate；4th Pan Gu's gear 16 drives the second countershaft-gear 17 to rotate, in second
Between shaft gear 17 drive jackshaft 10；Jackshaft 10 drives the first countershaft-gear 9, the 3rd countershaft-gear 18 to rotate, wherein,
First countershaft-gear 9 drives low-speed gear 23, the 3rd countershaft-gear 18 to drive high gear 19 to rotate；
When pull-fork assembly 22 promotes sliding sleeve 21 to connect with the engagement of high gear 19, output shaft 11 exports a positive rotating ratio
i1；Now, low-speed gear 23 departs from sliding sleeve 21, and low-speed gear 23 dallies with output shaft 11, does not transmit power；Work as pull-fork assembly
22 promote sliding sleeve 21 with, during the engagement connection of low-speed gear 23, output shaft 11 exports a positive rotating ratio i2, now, high gear 19
Depart from sliding sleeve 21, high gear 19 dallies along output shaft 11, do not transmit power.
(2) control fluid and enter 6 rear end of 3 front end of forward gear clutch gear ring and reverse clutch gear ring
Clutch friction plate positioned at 3 ante-chamber of forward gear clutch gear ring works, and input gear 1 drives first Pan Gu's tooth
Wheel 5 is rotated, and first Pan Gu's gear 5 drives forward gear clutch gear ring 3 to rotate, and forward gear clutch gear ring 3 is with reverse clutch
Gear ring 6 is meshed together all the time by external tooth, and forward gear clutch gear ring 3 drives reverse clutch gear ring 6 to rotate；Due to reverse gear
6 rear end clutch friction plate of clutch gear ring works, and just drives the 4th Pan Gu's gear 16 to rotate；3rd Pan Gu's gear 14 around
Forward gear clutch axle 4 dallies, and second Pan Gu's gear 8 dallies around reverse clutch axle 7, does not transmit power；4th Pan Gu's tooth
Wheel 16 drives the second countershaft-gear 17 to rotate, and the second countershaft-gear 17 drives jackshaft 10, jackshaft 10 to drive in first
Between shaft gear 9, the 3rd countershaft-gear 18 rotate, wherein, the first countershaft-gear 9 drives low-speed gear 23, the 3rd jackshaft
Gear 18 drives high gear 19 to rotate；
When pull-fork assembly 22 promotes sliding sleeve 21 to connect with the engagement of high gear 19, output shaft 11 exports a positive rotating ratio
i3；When pull-fork assembly 22 promotes sliding sleeve 21 to connect with the engagement of low-speed gear 23, output shaft 11 exports a positive rotating ratio i4.
(3) control fluid and enter 6 rear and front end of reverse clutch gear ring simultaneously
6 both sides clutch friction plate of reverse clutch gear ring works, and input gear 1 drives second Pan Gu's gear 8 to rotate,
Second Pan Gu's gear 8 drives reverse clutch gear ring 6 to rotate, first Pan Gu's gear 5, forward gear clutch gear ring 3, the 3rd Pan Gu
Gear 14 dallies with forward gear clutch axle 4, does not transmit power；Reverse clutch gear ring 6 drives the 4th Pan Gu's gear 16
Rotate, the 4th Pan Gu's gear 16 drives the second countershaft-gear 17 to rotate, the second countershaft-gear 17 drives jackshaft 10, middle
Axle 10 drives the first countershaft-gear 9, the 3rd countershaft-gear 18 to rotate, wherein, the first countershaft-gear 9 drives low-speed gear
23, the 3rd countershaft-gear 18 drives high gear 19 to rotate；
When pull-fork assembly 22 promotes sliding sleeve 21 to connect with the engagement of high gear 19, output shaft 11 exports an anti-rotating ratio
i5；When pull-fork assembly 22 promotes sliding sleeve 21 to connect with the engagement of low-speed gear 23, output shaft 11 exports an anti-rotating ratio i6.
(4) control fluid and enter 3 rear end of 6 front end of reverse clutch gear ring and forward gear clutch gear ring
6 ante-chamber clutch friction plate of reverse clutch gear ring works, and input gear 1 drives second Pan Gu's gear 8 to rotate,
Second Pan Gu's gear 8 drives reverse clutch gear ring 6 to rotate, and reverse clutch gear ring 6 is with drive shift clutch gear ring 3 by outer
Tooth meshes together all the time, and reverse clutch gear ring 6 drives forward gear clutch gear ring 3 to rotate；Due to forward gear clutch tooth
Enclose 3 rear end clutch friction plates to work, forward gear clutch gear ring 3 just drives the 3rd Pan Gu's gear 14 to rotate, first Pan Gu
Gear 5 dallies around forward gear clutch axle 4, does not transmit power；3rd Pan Gu's gear 14 drives the 4th Pan Gu's gear 16 to rotate,
4th Pan Gu's gear 16 drives the second countershaft-gear 17 to rotate, and the second countershaft-gear 17 drives jackshaft 10, jackshaft 10
The first countershaft-gear 9, the 3rd countershaft-gear 18 is driven to rotate, wherein, the first countershaft-gear 9 drives low-speed gear 23,
3rd countershaft-gear 18 drives high gear 19 to rotate；
When pull-fork assembly 22 promotes sliding sleeve 21 to connect with the engagement of high gear 19, output shaft 11 exports an anti-rotating ratio
i7；When pull-fork assembly 22 promotes sliding sleeve 21 to connect with the engagement of low-speed gear 23, output shaft 11 exports an anti-rotating ratio i8.
Ultimate principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Simply illustrate principle of the present utility model, on the premise of without departing from this utility model spirit and scope, this utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed this utility model.This utility model
Claimed scope is by appending claims and its equivalent thereof.
Claims (1)
1. a kind of loader high and low shift hydraulic transmission box, including gear box casing and the power input machine being located in transmission housing body
Structure, drive mechanism and power take-off mechanism；The power input mechanism includes input shaft (2) and is arranged on input shaft (2)
Input gear (1)；The power take-off mechanism includes output shaft (11)；It is characterized in that：The drive mechanism includes that clutch is passed
Motivation structure, middle shaft transmission and high low speed switching mechanism；
The clutch transmission includes：First Pan Gu's gear (5), second Pan Gu's gear (8), the 3rd Pan Gu's gear (14),
Four Pan Gu's gears (16), forward gear clutch axle (4), the forward gear clutch gear ring on forward gear clutch axle (4)
(3), reverse clutch axle (7) and the reverse clutch gear ring (6) being arranged on reverse clutch axle (7)；Described first Pan Gu
Gear (5), the 3rd Pan Gu's gear (14) pass through the arranged on left and right sides of clutch friction plate and forward gear clutch gear ring (3) respectively
It is connected；Second Pan Gu gear (8), the 4th Pan Gu's gear (16) pass through clutch friction plate and reverse clutch tooth respectively
The arranged on left and right sides of circle (6) is connected；The input gear (1) at the same with first Pan Gu's gear (5), the second Pan Gu's gear (8) phase
Engagement；3rd Pan Gu's gear (14) is often engaged with the 4th Pan Gu's gear (16)；
The middle shaft transmission includes：Jackshaft (10) and the first countershaft-gear being fixedly mounted on jackshaft (10)
(9), the second countershaft-gear (17) and the 3rd countershaft-gear (18)；Second countershaft-gear (17) and the 4th Pan Gu's tooth
Wheel (16) is often engaged；
The high low speed switching mechanism includes：High gear (19), low-speed gear (23) on output shaft (11), and
It is arranged on output shaft (11), for realizing what is switched between high gear (19) and low-speed gear (23) by bonded mode
Sliding sleeve (21), the pull-fork assembly (22) for stirring sliding sleeve (21)；The low-speed gear (23) is with the first countershaft-gear (9) often
Engagement；The high gear (19) is often engaged with the 3rd countershaft-gear (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621194987.6U CN206130005U (en) | 2016-10-28 | 2016-10-28 | High low -grade hydraulic transmission box of loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621194987.6U CN206130005U (en) | 2016-10-28 | 2016-10-28 | High low -grade hydraulic transmission box of loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206130005U true CN206130005U (en) | 2017-04-26 |
Family
ID=58578095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621194987.6U Expired - Fee Related CN206130005U (en) | 2016-10-28 | 2016-10-28 | High low -grade hydraulic transmission box of loader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206130005U (en) |
-
2016
- 2016-10-28 CN CN201621194987.6U patent/CN206130005U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20201028 |