CN205534051U - High low -speed gearshift that reverses gear - Google Patents
High low -speed gearshift that reverses gear Download PDFInfo
- Publication number
- CN205534051U CN205534051U CN201521034680.5U CN201521034680U CN205534051U CN 205534051 U CN205534051 U CN 205534051U CN 201521034680 U CN201521034680 U CN 201521034680U CN 205534051 U CN205534051 U CN 205534051U
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- Prior art keywords
- gear
- main shaft
- countershaft
- axle
- shifting fork
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Abstract
The utility model discloses a high low -speed gearshift that reverses gear, main shaft and countershaft including parallel arrangement, wherein the main shaft is including setting up first main shaft and the the second spindle on same straight line, the cover is equipped with input gear on the first main shaft, admittedly, it has first master gear to overlap at the second spindle, the cover is equipped with main shaft dual gea, the countershaft includes first countershaft and second layshaft, first countershaft, second layshaft and main shaft three are parallel, the loop has countershaft dual gear on first countershaft, gu the cover has a driven gear, loop reverse gear on second layshaft, slip through shifting fork mechanism control input gear realizes the just transform of input speed, slide and the slip of the 3rd shifting fork mechanism control reverse gear through the 2nd shifting fork mechanism control main shaft dual gea, the switching that the realization was reversed gear. Structure more than adopting, novel structure provides reversing gear of two kinds of friction speeds and has kept off the position, realizes the fender position that doubles satisfying the actual needs of production.
Description
Technical field
This utility model belongs to agricultural machinery technological field, is specifically related to a kind of high low speed and reverses gear gearshift.
Background technology
Tiller, with small diesel engine or gasoline engine as power, has lightweight, and volume is little, simple in construction etc.
Feature.Tiller is widely used in Plain, mountain area, the nonirrigated farmland on hills, paddy field, orchard etc..Mix corresponding
Facility can carry out drawing water, generate electricity, spray the operation such as medicine, spray, also can draw towed vehicle and carry out short-distance transport,
Tiller freely can be exercised in field, it is simple to user uses and deposits, and eliminating large-scale farm machinery cannot
Enter the worry of mountain area field, be the vast farmers consumer optimum selection that substitutes that cattle is ploughed.
Only being joined directly together by ring flange between electromotor and the change speed gear box of tradition tiller, power passes through one
Main shaft is directly delivered in change speed gear box, change speed gear box with walking case be respectively integrated, have in change speed gear box main shaft, countershaft,
Reverse gear shaft, three kinds of axles.By stirring the duplex spur gear position on main shaft, reverse gear shaft, can realize keeping off soon,
Slowly keeping off and reverse gear, gear is few, thus the advance of tiller is relative with the speed fallen back single, only especially reverses gear
There is one, there is significant limitation in actual farming, it is impossible to meet and produce actual needs.More than solution
Problem becomes the task of top priority.
Utility model content
For solving above technical problem, this utility model provides a kind of novel structure, designs the highest low speed
Reverse gear gearshift.
For achieving the above object, technical solutions of the utility model are as follows:
A kind of high low speed reverses gear gearshift, and it is characterized by: include that main shaft and countershaft, described main shaft include
The first main shaft (1) on the same line and the second main shaft (2) are set, this first main shaft (1) arbitrary
End is connected with the either end kink of described second main shaft (2), is set with defeated on described first main shaft (1)
Entering gear (5), this input gear (5) can slide axially along described first main shaft (1), described second
Main shaft (2) is installed with the first master gear (6), described second near one end of described first main shaft (1)
The second master gear (7a) and the 3rd master gear (7b), wherein the second master gear (7a) it is set with on main shaft (2)
It is positioned between described first master gear (6) and described 3rd master gear (7b), described second master gear (7a)
With the 3rd fixing between master gear (7b) connect, form main shaft duplicate gear (7), this main shaft duplicate gear
(7) can slide axially along described second main shaft (2), described input gear (5) is provided with the first clutch
Tooth (10), is provided with the second clutch tooth (11) on described first master gear (6)；Described countershaft includes first
Countershaft (3) and the second countershaft (4), this first countershaft (3), described second countershaft (4) and described main shaft
Three is parallel to each other, and the upper kink of the first countershaft (3) has the first pinion (8a) and the second pinion wherein
(8b), between this first pinion (8a) and described second pinion (8b), fixing connection, forms countershaft
Duplicate gear (8), is installed with the first driven gear (9), at the first countershaft on described first countershaft (3)
(3) either end is provided with the first bevel gear (12), has reverse gear at the upper kink of described second countershaft (4)
(16)；Described second pinion (8b) is engaged with described first master gear (6), described input gear (5)
Along described first main shaft (1) slide axially time, make this input gear (5) and described first pinion (8a)
Engagement, or make described first clutch tooth (10) and described second clutch tooth (11) engagement, described main shaft is double
Connection gear (7) along the second main shaft (2) slide axially time, make described main shaft duplicate gear (7) be positioned at described
Time between countershaft duplicate gear (8) and described first driven gear (9), by described reverse gear (16)
Slide axially along described second countershaft (4), make described reverse gear (16) simultaneously with described 3rd master gear
(7b) engage with described first driven gear (9)；Described input gear (5) is provided with the first shift fork
Mechanism (18), this first shifting fork mechanism (18) includes that axle (18b) installed by the first shift fork, at this first shift fork
The either end installing axle (18b) is provided with the first shifting fork piece (18a), sets on described input gear (5)
The first fork slot, described first shifting fork piece (18a) is had to stretch into this first fork slot, promote described input gear
(5) slide along the first main shaft (1), at described first shift fork, the other end of axle (18b) is installed and connects and have the
One rocking arm installs axle (18c), and this first rocking arm installs axle (18c) connection the first rocking arm (18d)；Institute
Stating main shaft duplicate gear (7) and be provided with the second shifting fork mechanism (19), this second shifting fork mechanism (19) includes
Axle (19b) installed by second shift fork, and the either end installing axle (19b) at this second shift fork is provided with the second shift fork
Sheet (19a), this second shifting fork piece (19a) stretches into described second master gear (7a) and the 3rd master gear (7b)
Between, promote described main shaft duplicate gear (7) to slide along the second main shaft (2), in described second shift fork peace
The upper connection of dress axle (19b) has reset rocking bar to install axle (19c), and this reset rocking bar is installed axle (19c) and connected
There is reduction torsion spring drag-line rocking bar (19d)；Described reverse gear (16) is provided with the 3rd shifting fork mechanism (20),
3rd shifting fork mechanism (20) includes that axle (20b) installed by the 3rd shift fork, installs axle (20b) at the 3rd shift fork
Either end the 3rd shifting fork piece (20a) is installed, described second countershaft (4) is arranged with reverse gear multiple
Position stage clip, this reverse gear reseting pressuring spring and described 3rd shifting fork piece (20a) lay respectively at described reverse gear
(16) both sides, described 3rd shifting fork piece (20a) promotes reverse gear (16) to reverse gear reseting pressuring spring
Sliding in direction, described reverse gear reseting pressuring spring reversely promotes reverse gear (16) to reset, the described 3rd
Shift fork is installed the other end of axle (20b) and is connected rocking arm installation axle (20c) that reverses gear, and this rocking arm that reverses gear installs axle
(20c) rocking arm (20d) that reverses gear is connected.
Use above structure, novel structure, design ingenious, control input by the first shifting fork mechanism (18)
The slip of gear (5), it is achieved the first main shaft (1) the high low speed friction speed transmission to the second main shaft (2),
Control main shaft duplicate gear (7) by the second shifting fork mechanism (19) to slide and the control of the 3rd shifting fork mechanism (2)
Reverse gear processed (16) slides, and completes the output reversed gear, provides reversing gear of two kinds of different output speeds altogether
Gear, thus realize the gear that reverses gear doubled, it is adaptable to the various farming conditions of production and environment, meet
Produce actual needs.
As preferably: be provided with inner chamber described first main shaft (1) near one end of described second main shaft (2)
(13), described second main shaft (2) stretches into this inner chamber (13) near one end of described first main shaft (1),
The inserting end of this second main shaft (2) and the cavity wall of described inner chamber (13) are by the first needle bearing (14) even
Connect.Use above structure, make contact surface be become sliding friction from rolling friction, effectively reduce the mill of part
Damage speed.
As preferably: described countershaft duplicate gear (8) and described first countershaft (3) are by the second needle roller axle
Hold (14) to connect.Use above structure, make contact surface be become sliding friction from rolling friction, effectively reduce
The rate of wear of part.
As preferably: described input gear (5) and described first main shaft (1) are connected by spline.Use
Above structure, simple and reliable for structure, it is achieved input gear (5) slides axially along the first main shaft (1).
As preferably: be installed with reverse gear mounting seat (17) on described second countershaft (4), described fall
Gear gear (16) kink is in this reverse gear mounting seat (17).Use above structure, reverse gear (16)
Directly do not acted on during slip, add the stability of structure, extend service life.
Beneficial effect: use the high low speed of above technical scheme to reverse gear gearshift, novel structure, it is provided that
The gear that reverses gear of two kinds of friction speeds, thus realize the gear doubled, it is adaptable to various farming produce feelings
Condition and environment, meet and produce actual needs.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the profile of Fig. 1.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail.
As shown in Figure 1-2, a kind of high low speed reverses gear gearshift, and including main shaft and countershaft, described main shaft includes
The first main shaft 1 and the second main shaft 2 on the same line, the either end of this first main shaft 1 and described second are set
The either end kink of main shaft 2 connects, i.e. at described first main shaft 1 in one end of described second main shaft 2 is provided with
Chamber 13, described second main shaft 2 stretches into this inner chamber 13 near one end of described first main shaft 1, this second main shaft 2
The cavity wall of inserting end and described inner chamber 13 is connected by the first needle bearing 14, is set with on described first main shaft 1
There are input gear 5, described input gear 5 and described first main shaft 1 to be connected by spline, make this input gear 5
Can slide axially along described first main shaft 1, admittedly overlap near one end of described first main shaft 1 at described second main shaft 2
There is the first master gear 6, described second main shaft 2 is set with the second master gear 7a and the 3rd master gear 7b, its
In the second master gear 7a between described first master gear 6 and described 3rd master gear 7b, described second main tooth
Between wheel 7a and the 3rd master gear 7b, fixing connection, forms main shaft duplicate gear 7, and this main shaft duplicate gear 7 can
Slide axially along described second main shaft 2, described input gear 5 is provided with the first clutch tooth 10, described
One master gear 6 is provided with the second clutch tooth 11；Described countershaft includes the first countershaft 3 and the second countershaft 4, and this is first years old
Countershaft 3, described second countershaft 4 and described main shaft three are parallel to each other, and on the first countershaft 3, kink has wherein
The company of fixing between one pinion 8a and the second pinion 8b, this first pinion 8a and described second pinion 8b
Connect, form countershaft duplicate gear 8, the most described countershaft duplicate gear 8 and described first countershaft 3 by the second needle roller
Bearing 14 connects, and is installed with the first driven gear 9, in the either end of the first countershaft 3 on described first countershaft 3
Being provided with the first bevel gear 12, on described second countershaft 4, kink has reverse gear 16, i.e. at described second countershaft
Being installed with reverse gear mounting seat 17 on 4, described reverse gear 16 kink is in this reverse gear mounting seat 17；
Described second pinion 8b engages with described first master gear 6, and described input gear 5 is along described first main shaft 1 axle
In time sliding, make this input gear 5 and described first pinion 8a engagement, or make described first clutch tooth 10 He
Described second clutch tooth 11 engages, described main shaft duplicate gear 7 along the second main shaft 2 slide axially time, make described
When main shaft duplicate gear 7 is between described countershaft duplicate gear 8 and described first driven gear 9, by described fall
Gear gear 16 slides axially along described second countershaft 4, make described reverse gear 16 simultaneously with described 3rd master gear
7b and described first driven gear 9 engage.
As it is shown in figure 1, be provided with the first shifting fork mechanism 18, this first shifting fork mechanism 18 on described input gear 5
Installing axle 18b including the first shift fork, the either end installing axle 18b at this first shift fork is provided with the first shifting fork piece
18a, is provided with the first fork slot on described input gear 5, and described first shifting fork piece 18a stretches into this first shift fork
Groove, promotes described input gear 5 to slide along the first main shaft 1, installs the other end of axle 18b at described first shift fork
Connecting and have the first rocking arm to install axle 18c, this first rocking arm installs axle 18c connection the first rocking arm 18d.
As it is shown in figure 1, be provided with the second shifting fork mechanism 19 on described main shaft duplicate gear 7, this second shift fork machine
Structure 19 includes that axle 19b installed by the second shift fork, and the either end installing axle 19b at this second shift fork is provided with second group
Forks piece 19a, this second shifting fork piece 19a stretches between described second master gear 7a and the 3rd master gear 7b, promotes
Described main shaft duplicate gear 7 slides along the second main shaft 2, and installing to connect on axle 19b at described second shift fork has reset
Rocking bar installs axle 19c, and this reset rocking bar installs axle 19c connection reduction torsion spring drag-line rocking bar 19d.
As it is shown in figure 1, be provided with the 3rd shifting fork mechanism 20, the 3rd shifting fork mechanism 20 on described reverse gear 16
Installing axle 20b including the 3rd shift fork, the either end installing axle 20b at the 3rd shift fork is provided with the 3rd shifting fork piece
20a, is arranged with reverse gear reseting pressuring spring, this reverse gear reseting pressuring spring and institute on described second countershaft 4
Stating the 3rd shifting fork piece 20a and lay respectively at described reverse gear 16 both sides, described 3rd shifting fork piece 20a promotes and reverses gear
Gear 16 slides to reverse gear reseting pressuring spring direction, and described reverse gear reseting pressuring spring reversely promotes the tooth that reverses gear
Wheel 16 reset, the other end installing axle 20b at described 3rd shift fork connects the rocking arm installation axle 20c that reverses gear, should
The rocking arm that reverses gear is installed axle 20c and is connected the rocking arm 20d that reverses gear.
When low speed reverses gear, the first shifting fork mechanism 18 controls input gear 5 and slides axially, and makes input gear 5 and
One pinion 8a engagement, the first main shaft 1 drives input gear 5 to rotate, and input gear 5 drives countershaft duplicate gear
8 rotate, and countershaft duplicate gear 8 drives the first master gear 6 to rotate, and the first master gear 6 drives the second main shaft 2 to rotate,
Second main shaft 2 drives main shaft duplicate gear 7 to rotate, and the second shifting fork mechanism 19 main shaft duplicate gear 7 slides axially,
Make main shaft duplicate gear 7 between countershaft duplicate gear 8 and the first driven gear 9, then the 3rd shifting fork mechanism
20 control reverse gear mounting seats 17 slides along the second countershaft 4, makes reversing gear of kink in reverse gear mounting seat 17
Gear 16 engages with the 3rd master gear 7b and the first driven gear 9 simultaneously, and now the 3rd master gear 7b drives and reverses gear
Gear 16 rotates, and reverse gear 16 drives the first driven gear 9 to rotate, and the first driven gear 9 drives the first pair
Axle 3 rotates, and the first countershaft 3 drives the first bevel gear 12 to rotate.
When reversing gear at a high speed, the first shifting fork mechanism 18 controls input gear 5 and slides axially, and makes input gear 5 and the
One pinion 8a separates, and the first clutch tooth 10 and the second clutch tooth 11 engage, the first main shaft 1 drive second
Main shaft 2 rotates, and the first master gear 6 drives countershaft duplicate gear 8 to dally, and the second main shaft 2 drives main shaft duplex-gear
Wheel 7 rotation, the second shifting fork mechanism 19 main shaft duplicate gear 7 slides axially, and makes main shaft duplicate gear 7 be positioned at countershaft
Between duplicate gear 8 and the first driven gear 9, then the 3rd shifting fork mechanism 20 controls reverse gear mounting seat 17
Slide along the second countershaft 4, make the reverse gear 16 of kink in reverse gear mounting seat 17 simultaneously with the 3rd master gear
7b and the first driven gear 9 engage, and now the 3rd master gear 7b drives reverse gear 16 to rotate, reverse gear 16
Driving the first driven gear 9 to rotate, the first driven gear 9 drives the first countershaft 3 to rotate, and the first countershaft 3 drives
First bevel gear 12 rotates.
It is last it is to be appreciated that foregoing description is only preferred embodiment of the present utility model, those skilled in the art
Member is under enlightenment of the present utility model, on the premise of this utility model objective and claim, and can
To represent as making multiple types, within such conversion each falls within protection domain of the present utility model.
Claims (5)
1. a high low speed reverses gear gearshift, it is characterised in that: include main shaft and countershaft, described main shaft bag
Include the first main shaft (1) and the second main shaft (2) arranged on the same line, appointing of this first main shaft (1)
One end is connected with the either end kink of described second main shaft (2), is set with on described first main shaft (1)
Input gear (5), this input gear (5) can slide axially along described first main shaft (1), described
Two main shafts (2) are installed with the first master gear (6) near one end of described first main shaft (1), described the
The second master gear (7a) and the 3rd master gear (7b), wherein the second master gear it is set with on two main shafts (2)
(7a) it is positioned between described first master gear (6) and described 3rd master gear (7b), described second main tooth
Between wheel (7a) and the 3rd master gear (7b), fixing connection, forms main shaft duplicate gear (7), this main shaft
Duplicate gear (7) can slide axially along described second main shaft (2), is provided with on described input gear (5)
First clutch tooth (10), is provided with the second clutch tooth (11) on described first master gear (6)；
Described countershaft includes the first countershaft (3) and the second countershaft (4), this first countershaft (3), described second
Countershaft (4) and described main shaft three are parallel to each other, and the upper kink of the first countershaft (3) has the first secondary tooth wherein
Wheel (8a) and the second pinion (8b), this first pinion (8a) and described second pinion (8b) it
Between fixing connect, form countershaft duplicate gear (8), described first countershaft (3) be installed with first driven
Gear (9), the either end at the first countershaft (3) is provided with the first bevel gear (12), at described second countershaft
(4) upper kink has reverse gear (16)；
Described second pinion (8b) is engaged with described first master gear (6), described input gear (5)
Along described first main shaft (1) slide axially time, make this input gear (5) and described first pinion (8a)
Engagement, or make described first clutch tooth (10) and described second clutch tooth (11) engagement, described main shaft is double
Connection gear (7) along the second main shaft (2) slide axially time, make described main shaft duplicate gear (7) be positioned at described
Time between countershaft duplicate gear (8) and described first driven gear (9), by described reverse gear (16)
Slide axially along described second countershaft (4), make described reverse gear (16) simultaneously with described 3rd master gear
(7b) engage with described first driven gear (9)；
Described input gear (5) is provided with the first shifting fork mechanism (18), this first shifting fork mechanism (18)
Installing axle (18b) including the first shift fork, the either end installing axle (18b) at this first shift fork is provided with first
Shifting fork piece (18a), is provided with the first fork slot, described first shifting fork piece (18a) on described input gear (5)
Stretch into this first fork slot, promote described input gear (5) to slide along the first main shaft (1), described the
The other end connection of axle (18b) installed by one shift fork has the first rocking arm to install axle (18c), and this first rocking arm is installed
Axle (18c) connects the first rocking arm (18d)；
Described main shaft duplicate gear (7) is provided with the second shifting fork mechanism (19), this second shifting fork mechanism (19)
Installing axle (19b) including the second shift fork, the either end installing axle (19b) at this second shift fork is provided with second
Shifting fork piece (19a), this second shifting fork piece (19a) stretches into described second master gear (7a) and the 3rd master gear
(7b), between, described main shaft duplicate gear (7) is promoted to slide along the second main shaft (2), described second
The upper connection of axle (19b) installed by shift fork has reset rocking bar to install axle (19c), and this reset rocking bar installs axle (19c)
Connect and have reduction torsion spring drag-line rocking bar (19d)；
Described reverse gear (16) is provided with the 3rd shifting fork mechanism (20), the 3rd shifting fork mechanism (20)
Installing axle (20b) including the 3rd shift fork, the either end installing axle (20b) at the 3rd shift fork is provided with the 3rd
Shifting fork piece (20a), is arranged with reverse gear reseting pressuring spring, this reverse gear on described second countershaft (4)
Reseting pressuring spring and described 3rd shifting fork piece (20a) lay respectively at described reverse gear (16) both sides, and described
Three shifting fork pieces (20a) promote reverse gear (16) to reverse gear reseting pressuring spring direction slide, described in reverse gear
Reset gear stage clip reversely promotes reverse gear (16) to reset, and installs axle (20b) at described 3rd shift fork
The other end connects the rocking arm that reverses gear and installs axle (20c), and this rocking arm installation axle (20c) connection of reversing gear is reversed gear and shaken
Arm (20d).
High low speed the most according to claim 1 reverses gear gearshift, it is characterised in that: described first
Main shaft (1) is provided with inner chamber (13), described second main shaft (2) near one end of described second main shaft (2)
Stretch into this inner chamber (13) near one end of described first main shaft (1), the inserting end of this second main shaft (2) and
The cavity wall of described inner chamber (13) is connected by the first needle bearing (14).
High low speed the most according to claim 1 and 2 reverses gear gearshift, it is characterised in that: described countershaft
Duplicate gear (8) and described first countershaft (3) are connected by the second needle bearing (14).
High low speed the most according to claim 3 reverses gear gearshift, it is characterised in that: described input tooth
Wheel (5) and described first main shaft (1) are connected by spline.
5. reverse gear gearshift according to the high low speed described in claim 1 or 2 or 4, it is characterised in that: in institute
Stating and be installed with reverse gear mounting seat (17) on the second countershaft (4), described reverse gear (16) kink exists
In this reverse gear mounting seat (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521034680.5U CN205534051U (en) | 2015-12-12 | 2015-12-12 | High low -speed gearshift that reverses gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521034680.5U CN205534051U (en) | 2015-12-12 | 2015-12-12 | High low -speed gearshift that reverses gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205534051U true CN205534051U (en) | 2016-08-31 |
Family
ID=56761745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521034680.5U Expired - Fee Related CN205534051U (en) | 2015-12-12 | 2015-12-12 | High low -speed gearshift that reverses gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205534051U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351457A (en) * | 2015-12-12 | 2016-02-24 | 威马农业机械有限公司 | High and low speed reverse gear shift mechanism for micro tillage machine |
-
2015
- 2015-12-12 CN CN201521034680.5U patent/CN205534051U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351457A (en) * | 2015-12-12 | 2016-02-24 | 威马农业机械有限公司 | High and low speed reverse gear shift mechanism for micro tillage machine |
| CN105351457B (en) * | 2015-12-12 | 2020-06-26 | 威马农业机械有限公司 | High-low speed reverse gear shifting mechanism of mini-tiller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20161212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |