CN207212983U - A kind of clutch overload protection circuit and extra heavy off road vehicle based on electric cylinder control - Google Patents
A kind of clutch overload protection circuit and extra heavy off road vehicle based on electric cylinder control Download PDFInfo
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- CN207212983U CN207212983U CN201721072372.0U CN201721072372U CN207212983U CN 207212983 U CN207212983 U CN 207212983U CN 201721072372 U CN201721072372 U CN 201721072372U CN 207212983 U CN207212983 U CN 207212983U
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- variable speed
- speed electronic
- switch
- electric cylinder
- clutch
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- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The utility model discloses a kind of clutch overload protection circuit based on electric cylinder control and extra heavy off road vehicle, overload protecting circuit to include variable speed electronic switches set；Clutch switch, double-contact relay, electric cylinder motor；Wherein, each switch in parallel in the variable speed electronic switches set, is exported to signal control device；The clutch switch is connected to the output port of signal control device after being connected with the double-contact relay coil；The contact portion of the double-contact relay is to the electric cylinder motor both ends; in the case that the utility model engine in situ is communicated with gearbox without CAN; cancel cumbersome circuit design; all by controlling electric signal, the simple and reliable and lower-cost clutch overload that realizes is protected.
Description
Technical field
It the utility model is related to technical field of vehicle control, more particularly to a kind of clutch overload based on electric cylinder control
Protection circuit.
Background technology
At present, for extra heavy off road vehicle chassis, realize that clutch overload is protected generally by electric-control motor, or
Realize that clutch overload is protected jointly by air cooling engine (non-automatically controlled) and ZF mechanical gear boxes.
And match somebody with somebody electric-control motor for extra heavy off road vehicle chassis, the method for realizing clutch overload protection is by automatic
After gearbox outflow shift signal, relay obtain it is electric after disconnect E-Gas so that during gear shift stepping on accelerator pedal without effect, so as to
Realize that clutch overload is protected.But this mode is only applicable to electric-control motor and automatic gear-box, can not in air cooling engine and
Realized on mechanical gear box.
And during for realizing that clutch overload is protected jointly by air cooling engine (non-automatically controlled) and ZF mechanical gear boxes, when
Clutch pedal is stepped on when operating gear shifting handle, clutch pump is opened from belt switch, and pipeline ventilation, accelerator pedal, which is limited, to be stepped on, from
And i.e. clutch overload protection can not be accelerated by realizing while gear shift.
Its major control is realized that this mode realizes that clutch overload protection must have travel switch by pipeline and mechanical switch
And pipeline, and need source of the gas, for teaching driving platform device can very cumbersome and inconvenient and cost it is high.
Utility model content
The utility model provides a kind of clutch overload protection circuit based on electric cylinder control, to solve the super of target
The Major off road chassis technical problem very cumbersome in overload protection.
In order to solve the above technical problems, the utility model provides a kind of clutch overload protection based on electric cylinder control
Circuit, including：
Variable speed electronic switches set；
Clutch switch (S42), double-contact relay (K41), electric cylinder motor (M)；
Each switch in parallel in the variable speed electronic switches set, is exported to signal control device；
The clutch switch (S42) is connected to signal control dress after being connected with the double-contact relay (K41) coil
The output port put；
The contact portion of the double-contact relay (K41) is to electric cylinder motor (M) both ends.
Preferably, each switch in the variable speed electronic switches set specifically includes：First variable speed electronic switch (S45),
Second variable speed electronic switch (S46), the 3rd variable speed electronic switch (S47), the 4th variable speed electronic switch (S48), the 5th speed change electricity
Sub switch (S49), the 6th variable speed electronic switch (S50), the 7th variable speed electronic switch (S51), the 8th variable speed electronic switch
(S52), the 9th variable speed electronic switch (S53).
The utility model discloses a kind of extra heavy off road vehicle, including：
The clutch overload protection circuit based on electric cylinder control as described in above-mentioned technical scheme；
Speed-changing operation device, signal control device；
Wherein, the speed-changing operation device connects the variable speed electronic switches set；
The signal control device connects the variable speed electronic switches set.
By one or more technical scheme of the present utility model, the utility model has the advantages that or excellent
Point：
The utility model discloses a kind of clutch overload protection circuit based on electric cylinder control, including variable speed electronic to open
Pass group；Clutch switch, double-contact relay, electric cylinder motor；Wherein, each switch in the variable speed electronic switches set is simultaneously
Connection, is exported to signal control device；The clutch switch is connected to signal control after being connected with the double-contact relay coil
The output port of device processed；The contact portion of the double-contact relay is to the electric cylinder motor both ends, the utility model bottom
In the case that disk engine is communicated with gearbox without CAN, cancel cumbersome circuit design, all by controlling telecommunications
Number, the simple and reliable and lower-cost clutch overload that realizes is protected.
Brief description of the drawings
Fig. 1 is a kind of reality for clutch overload protection circuit based on electric cylinder control that the utility model embodiment provides
Apply schematic diagram.
Embodiment
The purpose of this utility model be using the existing speed-changing operation device of driving platform, signal control device, electronics from
Clutch switch, electric cylinder, design a kind of control circuit, with minimum cost, simply reliably realize clutch overload protection work(
Energy.
In order that the utility model the technical staff in the technical field is more clearly understood that the utility model, tie below
Accompanying drawing is closed, technical solutions of the utility model are described in detail by specific embodiment.
Referring to Fig. 1, a kind of clutch overload protection circuit based on electric cylinder control of the utility model embodiment offer
Implementation principle figure.To for air cooling engine and mechanical gear box, only by controlling electric signal, and low cost, it is simple and
It is reliably achieved clutch overload defencive function.
In specific implementation process, the overload protecting circuit, including：
Variable speed electronic switches set.Wherein, each switch in variable speed electronic switches set specifically includes：First variable speed electronic is opened
Close S45, the second variable speed electronic switch S46, the 3rd variable speed electronic switch S47, the 4th variable speed electronic switch S48, the 5th speed change electricity
Sub switch S49, the 6th variable speed electronic switch S50, the 7th variable speed electronic switch S51, the 8th variable speed electronic switch S52, the 9th become
Fast electronic switch S53.
Clutch switch S42, double-contact relay K41, electric cylinder motor M.
Each switch in parallel in the variable speed electronic switches set, is exported to signal control device；
The clutch switch S42 is connected to signal control device after being connected with the double-contact relay K41 coils
Output port；That is, after signal control device output signal, with the clutch switch S42, the double-contact relay
K41 coils are connected.
The contact portion of the double-contact relay K41 is to the electric cylinder motor M both ends.
Specifically control logic is：On driver's cabin after electricity, break-make mould that gear controller passes through electronic switch S45-S53
Intend gear-change operation.Switch closure represents gear shift, switches off expression and is closed in neutral gear, any electronic switch by signal output to letter
Number control device, after signal control device reception signal, return to one signal 24V of driver's cabin and represent to have shifted gears, 0 represents empty
Gear, when shifted gears i.e. return 24V signals after, step on clutch pedal make clutch switch S42 close, relay K41 coil electricities,
K41 tip sides connect at 1,4 point, and controlled motor rotates forward.If not completing to shift gears, K41 tip sides connect at 5,8 points, motor reversal.
In the case that this scheme advantage is that engine in situ is communicated with gearbox without CAN, cancel cumbersome
Circuit design, all by controlling electric signal, the simple and reliable and lower-cost clutch overload that realizes is protected.
Point of interface position in Fig. 1 is referring to the signal input/output relation of table 1.
The point of interface position of table 1
Below in conjunction with the accompanying drawings, table 1 and specific embodiment are described in detail to the utility model.
Referring to schematic diagram and point of interface position table, the clutch overload protection circuit based on electric cylinder control is opened by variable speed electronic
Close S45~S53, clutch switch S42, double-contact relay K41, electric cylinder motor M compositions.
On driver's cabin after electricity, gear-change operation is simulated by gear controller, all gear signals pass through variable speed electronic respectively
Switch S45~S53 is exported to signal control device.Switch closure represents gear shift, switches off and represents, in neutral gear, to share 1~8
Shelves and reverse gear.Reverse gear needs speed change 2 grades of S46 and reverse gear S53 to be closed at effectively.When signal control device receives any gear signal
Afterwards, one signal of driver's cabin (24V represents gear shift, and 0 represents in neutral gear) is returned to, such as gear shift, now stepping on clutch pedal makes
Electric clutch switch S42 closures, double-contact relay K41 coil-ends are powered, and 1,4 point of K41 tip sides connect with electric cylinder motor
It is logical, rotate forward motor, electric cylinder stretches out, and withstands gas pedal, can not accelerate during so as to ensure gear shift, realize that clutch overload is protected
Shield.There is no gear shift such as, 5,8 points of K41 tip sides are connected with electric cylinder motor, make motor reversal, electric cylinder is retracted, and can step on acceleration
Pedal.
In another embodiment of the present utility model, a kind of extra heavy off road vehicle is disclosed, including：
Such as the clutch overload protection circuit controlled based on electric cylinder described in above-mentioned embodiment；
Speed-changing operation device, signal control device；
Wherein, the speed-changing operation device connects the variable speed electronic switches set；
The signal control device connects the variable speed electronic switches set.
By one or more technical scheme of the present utility model, the utility model has the advantages that or excellent
Point：
The utility model discloses a kind of clutch overload protection circuit based on electric cylinder control, including variable speed electronic to open
Pass group；Clutch switch, double-contact relay, electric cylinder motor；Wherein, each switch in the variable speed electronic switches set is simultaneously
Connection, is exported to signal control device；The clutch switch is connected to signal control after being connected with the double-contact relay coil
The output port of device processed；The contact portion of the double-contact relay is to the electric cylinder motor both ends, the utility model bottom
In the case that disk engine is communicated with gearbox without CAN, cancel cumbersome circuit design, all by controlling telecommunications
Number, the simple and reliable and lower-cost clutch overload that realizes is protected.
Although having been described for preferred embodiment of the present utility model, one of ordinary skilled in the art once knows
Basic creative concept, then other change and modification can be made to these embodiments.So appended claims are intended to explain
To include preferred embodiment and fall into being had altered and changing for the scope of the utility model.
Obviously, those skilled in the art can carry out various changes and modification without departing from this practicality to the utility model
New spirit and scope.So, if these modifications and variations of the present utility model belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to comprising including these changes and modification.
Claims (3)
- A kind of 1. clutch overload protection circuit based on electric cylinder control, it is characterised in that including：Variable speed electronic switches set；Clutch switch (S42), double-contact relay (K41), electric cylinder motor (M)；Each switch in parallel in the variable speed electronic switches set, is exported to signal control device；The clutch switch (S42) is connected to signal control device after being connected with the double-contact relay (K41) coil Output port；The contact portion of the double-contact relay (K41) is to electric cylinder motor (M) both ends.
- 2. a kind of clutch overload protection circuit based on electric cylinder control as claimed in claim 1, it is characterised in that described Each switch in variable speed electronic switches set specifically includes：First variable speed electronic switch (S45), the second variable speed electronic switch (S46), the 3rd variable speed electronic switch (S47), the 4th variable speed electronic switch (S48), the 5th variable speed electronic switch (S49), the 6th Variable speed electronic switch (S50), the 7th variable speed electronic switch (S51), the 8th variable speed electronic switch (S52), the 9th variable speed electronic are opened Close (S53).
- A kind of 3. extra heavy off road vehicle, it is characterised in that including：The clutch overload protection circuit based on electric cylinder control as described in any claims of claim 1-2；Speed-changing operation device, signal control device；Wherein, the speed-changing operation device connects the variable speed electronic switches set；The signal control device connects the variable speed electronic switches set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721072372.0U CN207212983U (en) | 2017-08-25 | 2017-08-25 | A kind of clutch overload protection circuit and extra heavy off road vehicle based on electric cylinder control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721072372.0U CN207212983U (en) | 2017-08-25 | 2017-08-25 | A kind of clutch overload protection circuit and extra heavy off road vehicle based on electric cylinder control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207212983U true CN207212983U (en) | 2018-04-10 |
Family
ID=61816784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721072372.0U Active CN207212983U (en) | 2017-08-25 | 2017-08-25 | A kind of clutch overload protection circuit and extra heavy off road vehicle based on electric cylinder control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207212983U (en) |
-
2017
- 2017-08-25 CN CN201721072372.0U patent/CN207212983U/en active Active
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