CN208294983U - Fixed shaft type electrically controlled gearbox countershaft assembly - Google Patents
Fixed shaft type electrically controlled gearbox countershaft assembly Download PDFInfo
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- CN208294983U CN208294983U CN201820807850.6U CN201820807850U CN208294983U CN 208294983 U CN208294983 U CN 208294983U CN 201820807850 U CN201820807850 U CN 201820807850U CN 208294983 U CN208294983 U CN 208294983U
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- clutch
- low regime
- piston
- jackshaft
- regime clutch
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Abstract
The utility model discloses a kind of fixed shaft type electrically controlled gearbox countershaft assemblies, belong to technical field of engineering machinery.It solves the defect that labor efficiency existing for traditional shift fork gear shift in the prior art is low, misoperation causes shift fork spline to beat tooth failure.Its structure includes two grades of clutch assemblies, low regime clutch assembly, jackshaft, gear box and clutch gear, two grades of clutch assemblies include intermediate gear, piston I and two grade clutch housing, low regime clutch assembly includes low regime clutch shell, low regime clutch, piston II, active friction plate and driven friction disk, low regime clutch shell is rigidly connected by spline and jackshaft, low regime clutch is mounted on jackshaft by bearing II, piston II is axially movably mounted in low regime clutch shell along jackshaft, active friction plate is connect with low regime clutch assembly by external splines；Driven friction disk is connect by internal spline with low regime clutch.The utility model is mainly used on loading machine.
Description
Technical field:
The utility model belongs to technical field of engineering machinery, specifically, more particularly to a kind of fixed shaft type electrically controlled gearbox
Countershaft assembly.
Background technique:
Currently, domestic three tons of loading machines, mostly use greatly counter-shaft power-shift transmission, gearbox is realized high by shift fork
Low-grade gear switch, power are transmitted to drive axle through gearbox, and driving wheel is realized complete machine high speed or run at a low speed.
Since shift fork gear shift must just be able to achieve transforming gear under dead ship condition, labor efficiency is reduced, and be easy
Existing misoperation causes shift fork spline to beat tooth failure.
Summary of the invention:
In order to solve, labor efficiency existing for traditional shift fork gear shift in the prior art is low, misoperation causes shift fork spline to be beaten
The shortcomings that tooth failure, the utility model provide a kind of fixed shaft type electrically controlled gearbox countershaft assembly being different from the prior art,
Its handling comfort improves, and labor efficiency is improved, and is avoided shift fork and beaten tooth failure.
To achieve the goals above, the utility model adopts the following technical solutions realization:
A kind of fixed shaft type electrically controlled gearbox countershaft assembly, including two grades of clutch assemblies, jackshaft, gear box and
Clutch gear, two grades of clutch assemblies include intermediate gear, piston I and two grade clutch housing, two grades of bell housings
Body is rigidly connected by spline and jackshaft, and piston I can be axially movably mounted in two grades of bell housing bodies along jackshaft, and two
Shelves gear and clutch gear are rotatably mounted on jackshaft, and jackshaft is supported on gear box by bearing I
In, further include low regime clutch assembly, the low regime clutch assembly include low regime clutch shell, low regime clutch, piston II,
Active friction plate and driven friction disk, the low regime clutch shell are rigidly connected by spline and jackshaft, and low regime clutch is logical
It crosses bearing II to be rotatably mounted on jackshaft, piston II can be along jackshaft axial direction by exterior seal ring and inner seal ring
It removably mounts in low regime clutch shell, active friction plate is connect with low regime clutch assembly by external splines；It is driven to rub
Pad is connect by internal spline with low regime clutch.
Further, oilhole, respectively oil leab, low or first gear oil duct and two grades of oil there are three being set on the jackshaft
Road.
Further, weight loss groove is equipped on the piston I and piston II.
Further, it is additionally provided with guide pin in the low regime clutch assembly, one end of guide pin is mounted on low-grade clutch
In through-hole on device shell, the other end is mounted on piston II.
Further, the bearing I is tapered roller bearing, and bearing II is ball bearing.
Further, the active friction plate is paper-base friction wafer.
Further, the exterior seal ring and inner seal ring are rectangular seal.
Compared with prior art, the utility model has the beneficial effects that
1, it is provided with guide pin on piston II and piston I, avoids the abrasion of piston II and piston I, can prevents worked
Piston II or piston I rotate in journey, and play the guiding role；
2, the sealing means of piston II and piston I are all made of rectangular seal, reduce leakage rate, improve gear response speed
Degree, and sealing structure is simple, it is easy to process；
3, the part in low regime clutch assembly and the part in two grades of clutch assemblies are generally applicable, improve the logical of part
With rate；
4, it is equipped with weight loss groove on piston II and piston I, can reduce cost and rotary inertia；
5, active friction plate uses paper-base friction wafer, and coefficient of torque reserve increases, and feasibility improves.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the low and middle-grade clutch assemblies of the utility model；
Fig. 3 is the structural schematic diagram of weight loss groove in the utility model；
Fig. 4 is the partial enlarged view in Fig. 2 at H；
Fig. 5 is the structural schematic diagram of jackshaft in the utility model.
In figure: 1, oil distributor；2, bearing I；3, low regime clutch shell；4, low regime clutch assembly；5, jackshaft；6, low
Shelves gear；7, intermediate gear；8, piston I；9, two grades of clutch assemblies；10, two grades of clutch housings；11, clutch gear；
12, gear box；13, guide pin；14, exterior seal ring；15, piston II；16, active friction plate；17, bearing II；18, interior close
Seal；19, weight loss groove；20, driven friction disk；21, oil leab；22, low or first gear oil duct；23, two grades of oil ducts.
Specific embodiment:
Below by specific embodiment and in conjunction with attached drawing, the utility model is described in further detail.
Embodiment 1:
As shown in Figure 1 and Figure 2, a kind of fixed shaft type electrically controlled gearbox countershaft assembly, including two grades of clutch assemblies 9, centre
Axis 5, gear box 12, oil distributor 1 and clutch gear 11, two grades of clutch assemblies 9 include intermediate gear 7, piston I
8 and two grades of clutch housings 10, two grades of clutch housings 10 are rigidly connected by spline and jackshaft 5, and piston I 8 can be along centre
Axis 5 is axially movably mounted in two grades of clutch housings 10, and intermediate gear 7 and clutch gear 11 are rotatably installed
On jackshaft 5, jackshaft 5 is supported in gear box 12 by bearing I 2, and oil distributor 1 passes through bolt and gear box
12 connections, further include low regime clutch assembly 4, and the low regime clutch assembly 4 includes low regime clutch shell 3, low regime clutch
6, piston II 15, active friction plate 16 and driven friction disk 20, the low regime clutch shell 3 are rigid by spline and jackshaft 5
Property connection, low regime clutch 6 is rotatably mounted on jackshaft 5 by bearing II 17, and piston II 15 passes through exterior seal ring
14 and inner seal ring 18 can be axially movably mounted in low regime clutch shell 3 along jackshaft 5, active friction plate 16 and low-grade
Clutch assembly 4 is connected by external splines；Driven friction disk 20 is connect by internal spline with low regime clutch 6.
Embodiment 2:
As shown in Fig. 3, Fig. 4 and Fig. 5, a kind of fixed shaft type electrically controlled gearbox countershaft assembly, the oil distributor 1 and jackshaft
Three oilholes, respectively oil leab 21, low or first gear oil duct 22 and two grades of oil ducts 23 are respectively provided on 5；The piston I 8 and piston
Weight loss groove 19 is equipped on II 15, the outer diameter of the weight loss groove 19 is that Φ 4 is 150mm, and internal diameter Φ 3 is 130mm, and depth d is
10mm can reduce cost and rotary inertia using weight loss groove 19；It is additionally provided with guide pin 13 in the low regime clutch assembly 4,
One end of guide pin 13 is mounted in the through-hole on low regime clutch shell 3, and the other end is mounted on piston II 15, low-grade clutch
The through-hole that two Φ 1 are 8mm is evenly distributed on device shell 3, the hole that uniformly distributed two Φ 2 are 9mm on piston II 15, hole depth D is 12mm, is led
It is mounted on to pin 13 in the through-hole of low regime clutch shell 3, in the hole of protrusion being partially installed on piston II 15；The bearing
I 2 be tapered roller bearing, and bearing II 17 is ball bearing；The active friction plate 16 is paper-base friction wafer；The exterior seal ring 14
It is rectangular seal with inner seal ring 18；The piston in piston I 8 and low regime clutch assembly 4 in two grades of clutch assemblies 9
Gap between II 15 is 1.8~2.3mm.Other parts are same as Example 1.
Part in low regime clutch assembly 4 and the part in two grades of clutch assemblies 9 are generally applicable, such as piston I 8, piston
II 15, active friction plate 16, driven friction disk 20, exterior seal ring 14 and inner seal ring 18 etc., improve the general rate of part.
Low or first gear oil duct 22 rushes oil, and oil liquid pushes piston II 15 to move axially, active friction plate 16 and driven friction disk 20
In conjunction with the combination of realization low regime clutch assembly 4；Two grades of oil ducts 23 rush oil, and oil liquid pushes piston II 15 to move axially, actively rubs
Pad 16 is combined with driven friction disk 20, realizes the combination of two grades of clutch assemblies 9；Oil leab 21 is always to rush oil condition,
Continuous lubrication active friction plate 16 and driven friction disk 20.
The working principle of the utility model are as follows:
When individually punching is oily for low or first gear oil duct 22, piston II 15 pushes active friction plate 16 to be combined with driven friction disk 20, low
Shelves clutch assembly 4 combines, and power is exported from low regime clutch 6, and complete machine can realize one grade of advance, fall back one grade；
When low or first gear oil duct 22 and two grades of oil ducts 23 rush oil simultaneously, two grades of clutch assemblies 9, low regime clutch assembly 4
In combination with complete machine can realize two grades of advance.
Claims (7)
1. a kind of fixed shaft type electrically controlled gearbox countershaft assembly, including two grades of clutch assemblies (9), jackshaft (5), gearbox case
Body (12) and clutch gear (11), two grades of clutch assemblies (9) include intermediate gear (7), piston I (8) and two grades from
Clutch shell (10), two grades of clutch housings (10) are rigidly connected by spline and jackshaft (5), and piston I (8) can be along jackshaft
(5) it is axially movably mounted in two grades of clutch housings (10), intermediate gear (7) and clutch gear (11) can relatively rotate
Ground is mounted on jackshaft (5), and jackshaft (5) is supported in gear box (12) by bearing I (2), it is characterised in that: also
Including low regime clutch assembly (4), the low regime clutch assembly (4) include low regime clutch shell (3), low regime clutch (6),
Piston II (15), active friction plate (16) and driven friction disk (20), the low regime clutch shell (3) pass through spline and centre
Axis (5) rigid connection, low regime clutch (6) are rotatably mounted on jackshaft (5) by bearing II (17), piston II
(15) low regime clutch shell can be axially movably mounted on along jackshaft (5) by exterior seal ring (14) and inner seal ring (18)
(3) in, active friction plate (16) is connect with low regime clutch assembly (4) by external splines；Driven friction disk (20) passes through interior flower
Key is connect with low regime clutch (6).
2. fixed shaft type electrically controlled gearbox countershaft assembly according to claim 1, it is characterised in that: the jackshaft (5)
On set there are three oilhole, respectively oil leab (21), low or first gear oil duct (22) and two grades of oil ducts (23).
3. fixed shaft type electrically controlled gearbox countershaft assembly according to claim 2, it is characterised in that: the piston I (8) and
Weight loss groove (19) are equipped on piston II (15).
4. fixed shaft type electrically controlled gearbox countershaft assembly according to claim 3, it is characterised in that: the low regime clutch
It being additionally provided with guide pin (13) in assembly (4), one end of guide pin (13) is mounted in the through-hole on low regime clutch shell (3),
The other end is mounted on piston II (15).
5. fixed shaft type electrically controlled gearbox countershaft assembly according to claim 4, it is characterised in that: the bearing I (2) is
Tapered roller bearing, bearing II (17) are ball bearing.
6. fixed shaft type electrically controlled gearbox countershaft assembly according to claim 5, it is characterised in that: the active friction plate
It (16) is paper-base friction wafer.
7. fixed shaft type electrically controlled gearbox countershaft assembly according to claim 6, it is characterised in that: the exterior seal ring
(14) and inner seal ring (18) is rectangular seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820807850.6U CN208294983U (en) | 2018-05-28 | 2018-05-28 | Fixed shaft type electrically controlled gearbox countershaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820807850.6U CN208294983U (en) | 2018-05-28 | 2018-05-28 | Fixed shaft type electrically controlled gearbox countershaft assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208294983U true CN208294983U (en) | 2018-12-28 |
Family
ID=64722115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820807850.6U Active CN208294983U (en) | 2018-05-28 | 2018-05-28 | Fixed shaft type electrically controlled gearbox countershaft assembly |
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| Country | Link |
|---|---|
| CN (1) | CN208294983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594554A (en) * | 2020-05-28 | 2020-08-28 | 上海瑞吉机械传动技术有限公司 | Hydraulic clutch |
-
2018
- 2018-05-28 CN CN201820807850.6U patent/CN208294983U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594554A (en) * | 2020-05-28 | 2020-08-28 | 上海瑞吉机械传动技术有限公司 | Hydraulic clutch |
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