CN208344209U - The double operator seat parking braking control systems of engineering machinery - Google Patents
The double operator seat parking braking control systems of engineering machinery Download PDFInfo
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- CN208344209U CN208344209U CN201820997692.5U CN201820997692U CN208344209U CN 208344209 U CN208344209 U CN 208344209U CN 201820997692 U CN201820997692 U CN 201820997692U CN 208344209 U CN208344209 U CN 208344209U
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Abstract
The utility model discloses a kind of double operator seat parking braking control systems of engineering machinery, belong to engineering machinery field.Its technical solution is: starting switch including master, main power source interlock relay, main power relay, main brake switch, pair start switch, auxiliary power interlock relay, auxiliary power relay, secondary brake switch, brake switching relay, braking electromagnetic valve and battery, main power relay normally opened contact and main brake switch connect, auxiliary power relay normally open contact is connect with secondary brake switch, and the normally-closed contact and main brake switch of braking switching relay connect；The coil-end of the coil-end access auxiliary power relay normally open of main power source interlock relay；The normally opened coil-end of the coil-end access main power relay of auxiliary power interlock relay.The utility model realizes the non-interfering completion parking braking of two operator seats, can effectively prevent maloperation.
Description
Technical field
The utility model belongs to a kind of work machine control system, specifically, more particularly to a kind of engineering machinery is double drives
Sail a parking braking control system.
Background technique
It is well known that the general own wt of engineering machinery is big, inertia is big.After parking, if being unable to effective brake, it may draw
Phenomena such as playing car slipping, consequence is extremely dangerous.
At present in industry, most of engineering machinery is single operator seat manipulation, and electronic parking control is seldom able to achieve double
It is controlled while operator seat.Also, double operator seat controls require to realize: 1, any one operator seat should all can control staying for complete machine
Vehicle braking and releasing braking, and by another operator seat, currently whether parking is not influenced；2, complete machine automatic braking after complete machine power-off.
Therefore, just need to be able to achieve the parking braking system of double operator seat controls to the engineering machinery of double operator seats control.
Utility model content
The utility model aim is to provide a kind of double operator seats of engineering machinery controlled while be able to achieve double operator seats and stays
Vehicle braking control system, with overcome in the prior art engineering machinery parking braking control system can only realize the manipulation of single operator seat
Defect.
The utility model adopts the following technical solutions realization:
The double operator seat parking braking control systems of engineering machinery described in the utility model, including master starts switch, main electricity
Source interlock relay, main power relay, main brake switch, pair starts switch, auxiliary power interlock relay, auxiliary power relay
Device, secondary brake switch, braking switching relay, braking electromagnetic valve and battery, the master start switch control battery and pass through
The normally-closed contact of main power source interlock relay gives main power relay coil power supply, the main power relay normally opened contact and master
Brake switch connection, the pair start switch control battery by the normally-closed contact of auxiliary power interlock relay to auxiliary power after
Electric apparatus coil power supply, the auxiliary power relay normally open contact are connect with secondary brake switch, the line of the braking switching relay
Circle terminates the contact into auxiliary power relay normally open, and the normally opened contact of the braking switching relay is connect with secondary brake switch,
The normally-closed contact and main brake switch of the braking switching relay connect；The coil-end of the main power source interlock relay accesses
The coil-end of auxiliary power relay normally open；The normally opened line of the coil-end access main power relay of the auxiliary power interlock relay
Enclose end.
Insurance is connected on the battery output lead.
The braking electromagnetic valve circuit is connected with emergency stop switch, and the both ends of the emergency stop switch are separately connected system
Moving electromagnetic valve and battery terminal negative.
Compared with prior art, the utility model has the beneficial effects that
(1) the utility model uses power-off brake strategy, and many condition meets, and complete machine could release braking, and security performance is high；
(2) the utility model realizes the non-interfering completion parking braking of two operator seats, can effectively prevent maloperation；
(3) the complex controls elements such as controller are not used in the utility model, and design economy, control effect are good, market competition
It is with the obvious advantage.
Detailed description of the invention
Fig. 1 is the circuit diagram of the utility model；
In figure: 1, master starts switch；2, main power source interlock relay；3, main power relay；4, main brake switchs；5, it protects
Danger；6, pair starts switch；7, auxiliary power interlock relay；8, auxiliary power relay；9, secondary brake switch；10, braking switching after
Electric appliance；11, braking electromagnetic valve；12, emergency stop switch；13, battery.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figure 1, the double operator seat parking braking control systems of engineering machinery described in the utility model, including main starting
Switch 1, main power source interlock relay 2, main power relay 3, main brake switch 4, pair start switch 6, auxiliary power interlocking relay
Device 7, auxiliary power relay 8, secondary brake switch 9, braking switching relay 10, braking electromagnetic valve 11 and battery 13, the master
It starts switch 1 control battery 13 and gives main power relay 3 coil power supply by the normally-closed contact of main power source interlock relay 2,
3 normally opened contact of main power relay is connect with main brake switch 4, and the pair starts switch 6 control batteries 13 and passes through pair
The normally-closed contact of power interlock relay 7 gives auxiliary power relay 8 coil power supply, 8 normally opened contact of auxiliary power relay with
Secondary brake switch 9 connects, the normally opened contact of the coil-end access auxiliary power relay 8 of the braking switching relay 10, described
The normally opened contact of braking switching relay 10 connect with secondary brake switch 9, the braking switch relay 10 normally-closed contact and
Main brake switch 4 connects；The normally opened coil-end of the coil-end access auxiliary power relay 8 of the main power source interlock relay 2；Institute
State the normally opened coil-end of the coil-end access main power relay 3 of auxiliary power interlock relay 7.
Further, insurance 5 is connected on 13 output lead of battery.
Further, 11 circuit of braking electromagnetic valve is connected with emergency stop switch 12, the both ends point of emergency stop switch 12
Not Lian Jie 13 cathode of braking electromagnetic valve 11 and battery, after detecting braking system faults, emergency stop switch 12 disconnect, it is whole
Mechanism is dynamic.
When in main driving room it is main start switch 1 and get to the position ON when, battery 13 is normal by main power source interlock relay 2
Closed contact gives main power relay 3 coil power supply, and 3 coil of main power relay obtains electric, connects 3 normally opened contact of main power relay
Logical, 1 hole location of main brake switch 4 obtains electric；Main brake switch 4 is such as got into the position ON at this time, then passes through braking switching relay
10 normally-closed contact obtains braking electromagnetic valve 11 electric, and complete machine releases braking；Main brake switch 4 is such as got into OFF position at this time,
Braking electromagnetic valve 11 powers off, complete machine braking；Though at this time pair start switch 6 and secondary brake switch 9 be located at any position, will not
The work of main brake switch 4 is had an impact.
When pair starts switch 6 and gets to the position ON in copilot room, battery 13 is normal by auxiliary power interlock relay 7
Closed contact gives auxiliary power relay 8 coil power supply, and 8 coil of auxiliary power relay obtains electric, connects 8 normally opened contact of auxiliary power relay
It is logical, 1 hole location of secondary brake switch 9 obtain it is electric, while the coil for braking switching relay 10 obtain it is electric；At this time such as by secondary brake switch 9
The position ON is got to, then by the normally-closed contact of braking switching relay 10, obtains braking electromagnetic valve 11 electric, complete machine releases braking；
Secondary brake switch 9 is such as got into OFF position at this time, braking electromagnetic valve 11 powers off, complete machine braking；No matter master starts switch 1 at this time
It is located at any position with main brake switch 4, the work of secondary brake switch 9 will not be had an impact.
Claims (3)
1. a kind of double operator seat parking braking control systems of engineering machinery, it is characterised in that: start switch (1), main electricity including master
Source interlock relay (2), main power relay (3), main brake switch (4), pair start switch (6), auxiliary power interlock relay
(7), auxiliary power relay (8), secondary brake switch (9), braking switching relay (10), braking electromagnetic valve (11) and battery
(13), the master starts switch (1) control battery (13) by the normally-closed contact of main power source interlock relay (2) to main power source
Relay (3) coil power supply, main power relay (3) normally opened contact are connect with main brake switch (4), and the secondary starting is opened
(6) control battery (13) is closed to supply by the normally-closed contact of auxiliary power interlock relay (7) to auxiliary power relay (8) coil
Electricity, auxiliary power relay (8) normally opened contact are connect with secondary brake switch (9), the line of braking switching relay (10)
Circle terminates the contact normally opened into auxiliary power relay (8), and normally opened contact and the pair braking of braking switching relay (10) are opened
(9) connection is closed, the normally-closed contact of braking switching relay (10) is connect with main brake switch (4)；The main power source interlocking
The normally opened coil-end of coil-end access auxiliary power relay (8) of relay (2)；The line of the auxiliary power interlock relay (7)
Circle terminates the coil-end normally opened into main power relay (3).
2. the double operator seat parking braking control systems of engineering machinery according to claim 1, it is characterised in that: the electric power storage
Insurance (5) are connected on pond (13) output lead.
3. the double operator seat parking braking control systems of engineering machinery according to claim 1 or 2, it is characterised in that: described
Braking electromagnetic valve (11) circuit is connected with emergency stop switch (12), and the both ends of the emergency stop switch (12) are separately connected system
Moving electromagnetic valve (11) and battery (13) cathode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820997692.5U CN208344209U (en) | 2018-06-26 | 2018-06-26 | The double operator seat parking braking control systems of engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820997692.5U CN208344209U (en) | 2018-06-26 | 2018-06-26 | The double operator seat parking braking control systems of engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208344209U true CN208344209U (en) | 2019-01-08 |
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ID=64881120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820997692.5U Active CN208344209U (en) | 2018-06-26 | 2018-06-26 | The double operator seat parking braking control systems of engineering machinery |
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| Country | Link |
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| CN (1) | CN208344209U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108819933A (en) * | 2018-06-26 | 2018-11-16 | 山东临工工程机械有限公司 | The double operator seat parking braking control systems of engineering machinery |
-
2018
- 2018-06-26 CN CN201820997692.5U patent/CN208344209U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108819933A (en) * | 2018-06-26 | 2018-11-16 | 山东临工工程机械有限公司 | The double operator seat parking braking control systems of engineering machinery |
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