CN202755393U - Automatic flameout resisting system and excavator thereof - Google Patents

Automatic flameout resisting system and excavator thereof Download PDF

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Publication number
CN202755393U
CN202755393U CN 201220454101 CN201220454101U CN202755393U CN 202755393 U CN202755393 U CN 202755393U CN 201220454101 CN201220454101 CN 201220454101 CN 201220454101 U CN201220454101 U CN 201220454101U CN 202755393 U CN202755393 U CN 202755393U
Authority
CN
China
Prior art keywords
switch
power supply
relay
automatic flameout
parking
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
Application number
CN 201220454101
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Chinese (zh)
Inventor
章红文
涂晓丹
沈振祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sany Heavy Machinery Ltd
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Sany Heavy Machinery Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sany Heavy Machinery Ltd filed Critical Sany Heavy Machinery Ltd
Priority to CN 201220454101 priority Critical patent/CN202755393U/en
Application granted granted Critical
Publication of CN202755393U publication Critical patent/CN202755393U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides an automatic flameout resisting system and an excavator thereof, and belongs to the technical field of construction machinery manufacturing. The automatic flameout resisting system and the excavator thereof comprise a power source (4), a starting switch (1), a parking relay (2), a parking motor (3) and a parking switch (5), the parking relay (2) is connected with one end of the power source (4) through the starting switch (1), the parking motor (3) is provided with an idle end (31) and a positive rotation end (32), the idle end (31) and the positive rotation end (32) are connected with one end of the power source (4) through the parking relay (2), the parking relay (2) controls opening and closing or closing and opening of the idle end (31) and the positive rotation end (32), and the parking motor (3) is connected with the other end of the power source (4) through the parking switch (5). The automatic flameout resisting system and the excavator thereof are low in whole cost, simple and convenient and easy to operate.

Description

Anti-automatic flameout system and use the excavator of this system
Technical field
The utility model belongs to mechanical manufacturing field, relates to a kind of shutdown systems, relates in particular to a kind of anti-automatic flameout system and uses the excavator of this system.
Background technology
As shown in fig. 1, present excavator system adopts following flame-out control mode mostly: utilize starting switch 1 control plugging relay 2, by plugging relay 2 control parking motors 3, parking motor 3 is in the situation that forward control excavator is flame-out.As shown in fig. 1, parking motor 3 has idle end 31, forward end 32 also further is connected with power supply 4 by the control of plugging relay 2.Therefore, the state that the idle end 31 of parking motor 3 always keeps and power supply 4 is connected.Even in the process of excavator normal operation, parking motor 3 also is in "on" position always.
Before the utility model, the inventor finds prior art, and there are the following problems at least: in the course of work of excavator, because parking motor 3 is in "on" position always, if plugging relay 2 or circuit coil are because vibrations produce the loose contact problem, the auto extinguishing fault will appear in excavator, and fault is difficult for investigation; And because parking motor 3 is in "on" position always, utilization is not in full use its application life.
Therefore those skilled in the art is devoted to develop a kind of excavator that can effectively prevent the anti-automatic flameout system of auto extinguishing and use this system.
The utility model content
The excavator of preventing automatic flameout system and using this system now is provided, by using shutdown switch, disconnects the power supply of parking motor in off working state, can effectively prevent the excavator auto extinguishing, significantly improved the application life of parking motor.Concrete technical scheme is as follows:
A kind of anti-automatic flameout system, comprise power supply, starting switch, plugging relay, parking motor, described plugging relay is connected with an end of described power supply by described starting switch, described parking motor is provided with idle end and forward end, described idle end is connected described plugging relay and is connected with an end of described power supply with the forward end, the connection that described plugging relay is controlled described idle end and forward end and power supply disconnects or disconnects connection, also comprise shutdown switch, described parking motor is connected with the other end of described power supply by described shutdown switch.
Preferably, described shutdown switch is guide switch, and described guide switch is provided with fuel path switch and contactor, and contactor disconnected when described fuel path switch was connected, contactor was connected when described fuel path switch disconnected, and described plugging relay is connected with power supply by described contactor.
Preferably, also comprise battery relay, described guide switch is connected with power supply by described battery relay.
Preferably, also comprise generator, described generator is connected with power supply by described battery relay.
Preferably, described power supply is battery.
Preferably, also comprise starting drive, described starting switch is connected with starting drive, and the unlatching of described starting switch control starting drive stops.
Preferably, also comprise oil circuit, described oil circuit is connected with described starting drive, and the connection that the fuel path switch of described guide switch is controlled described oil circuit disconnects.
A kind of excavator comprises above-mentioned anti-automatic flameout system.
Technique scheme has following advantage or beneficial effect:
By using guide switch to disconnect the power supply of parking motor in off working state, can effectively prevent the digging machine auto extinguishing, significantly improve the application life of blanket, and need not increase any extra components and parts, reached the utilization that effectively integrates between each system of excavator.Holistic cost is cheap, simple and easy to operate.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of prior art;
Fig. 2 is the structural representation of embodiment of the present utility model.
Among the figure: 1 is that starting switch, 2 is that plugging relay, 3 is that parking motor, 31 is that idle end, 32 is that forward end, 4 is that power supply, 5 is that shutdown switch, 6 is that battery relay, 7 is generator.
The specific embodiment
Below with reference to drawings and Examples the utility model is done concrete explaination.
A kind of anti-automatic flameout system of embodiment of the present utility model as shown in Figure 2 comprises power supply 4, starting switch 1, plugging relay 2, parking motor 3.Plugging relay 2 is connected with an end of power supply 4 by starting switch 1.Parking motor 3 is provided with idle end 31 and forward end 32, and idle end 31 is connected with the forward end and is connected with an end of power supply 4 by plugging relay 2, and plugging relay 2 control idle ends 31 and forward end 32 disconnect or the disconnection connection with the connection of power supply 4.When the need switch-off, plugging relay 2 connection forward ends 32 are connected parking motor 3 energising switch-offs with power supply 4; When not needing switch-off, plugging relay 2 connection idle ends 31 are connected with power supply 4, the 3 energising idle running of parking motor, and excavator is flame-out.
The present embodiment also comprises shutdown switch 5, and parking motor 3 is connected with the other end of power supply 4 by shutdown switch 5.
Embodiment of the present utility model is by using shutdown switch 5 to disconnect being connected of parking motor 3 and power supply 4 in off working state, so that parking motor 3 no power in the time need not stopping working.Can effectively prevent the digging machine auto extinguishing, significantly improve the application life of blanket.
As shown in Figure 2, in embodiment of the present utility model, power supply 4 is preferably battery.And preferably also comprising battery relay 6, shutdown switch 5 is connected with power supply 4 by battery relay 6.Relay has the effects such as automatic adjusting, safeguard protection, change-over circuit.
In addition, also preferably include generator 7.Generator 7 is connected with power supply 4 by battery relay 6, can be charge in batteries.
As shown in Figure 2, in embodiment of the present utility model, shutdown switch 5 is guide switch.Guide switch is provided with fuel path switch and contactor.Contactor disconnects when fuel path switch is connected; Contactor is connected when fuel path switch disconnects.Plugging relay 3 is connected with power supply 4 by contactor.
And preferably also comprise starting drive and oil circuit (not shown), and starting switch 1 is connected with starting drive, and the unlatching of starting switch 1 control starting drive stops.Oil circuit is connected with starting drive, and the connection of guide switch oil circuit control disconnects.
Embodiment of the present utility model utilizes guide switch to control the on/off of parking motor 3, and when non-need the parking, parking motor 3 and power supply 4 are in the state of disconnection.
In the excavating machine starting process, starting switch 1 is connected, starting drive starts, this moment shutdown switch 5, the fuel path switch that is guide switch is connected starting drive and oil circuit, and contactor disconnects, parking motor 3 no powers, and starting switch 1 control plugging relay 2 makes the idle end 31 of parking motor 3 be connected with guide switch simultaneously;
After the complete need of digging machine work are flame-out, shutdown switch 5, the fuel path switch that is guide switch disconnects starting drive and oil circuit, and contactor is connected, the idle end 31 of parking motor 3 is connected with power supply 4,3 energisings of parking motor begin idle running, starting switch 1 closing control plugging relay 2 is connected the forward end 32 of parking motor 3 subsequently, parking motor 3 beginning forward switch-offs, flame-out complete after, the control guide switch is connected fuel path switch, and contactor disconnects, and 3 outages of parking motor prevent auto extinguishing.
The present embodiment is by using guide switch to disconnect the power supply of parking motor 3 in off working state, can effectively prevent the digging machine auto extinguishing, significantly improve the application life of blanket, and need not increase any extra components and parts, reached the utilization that effectively integrates between each system of excavator.Holistic cost is cheap, simple and easy to operate.
Above specific embodiment of the utility model is described in detail, but it is just as example, the utility model is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the utility model is carried out and substituting also all among category of the present utility model.Therefore, not breaking away from impartial conversion and the modification of doing under the spirit and scope of the present utility model, all should be encompassed in the scope of the present utility model.

Claims (8)

1. anti-automatic flameout system, comprise power supply (4), starting switch (1), plugging relay (2), parking motor (3), described plugging relay (2) is connected with an end of described power supply (4) by described starting switch (1), described parking motor (3) is provided with idle end (31) and forward end (32), described idle end (31) is connected 32 with the forward end) be connected with an end of described power supply (4) by described plugging relay (2), described idle end (31) controlled by described plugging relay (2) and forward end (32) is connected with connection disconnection or the disconnection of power supply (4), it is characterized in that, also comprise shutdown switch (5), described parking motor (3) is connected with the other end of described power supply (4) by described shutdown switch (5).
2. anti-automatic flameout system as claimed in claim 1, it is characterized in that, described shutdown switch (5) is guide switch, described guide switch is provided with fuel path switch and contactor, contactor disconnected when described fuel path switch was connected, contactor was connected when described fuel path switch disconnected, and described plugging relay (2) is connected with power supply by described contactor.
3. anti-automatic flameout system as claimed in claim 2 is characterized in that, also comprises battery relay (6), and described guide switch is connected with power supply (4) by described battery relay (6).
4. anti-automatic flameout system as claimed in claim 3 is characterized in that, also comprises generator (7), and described generator (7) is connected with power supply (4) by described battery relay (6).
5. anti-automatic flameout system as claimed in claim 4 is characterized in that, described power supply (4) is battery.
6. anti-automatic flameout system as claimed in claim 5 is characterized in that, also comprises starting drive, and described starting switch (1) is connected with starting drive, and the unlatching of described starting switch (1) control starting drive stops.
7. anti-automatic flameout system as claimed in claim 6 is characterized in that, also comprises oil circuit, and described oil circuit is connected with described starting drive, and the connection that the fuel path switch of described guide switch is controlled described oil circuit disconnects.
8. an excavator is characterized in that, comprises each described anti-automatic flameout system of claim 1 to 7.
CN 201220454101 2012-09-07 2012-09-07 Automatic flameout resisting system and excavator thereof Expired - Fee Related CN202755393U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220454101 CN202755393U (en) 2012-09-07 2012-09-07 Automatic flameout resisting system and excavator thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220454101 CN202755393U (en) 2012-09-07 2012-09-07 Automatic flameout resisting system and excavator thereof

Publications (1)

Publication Number Publication Date
CN202755393U true CN202755393U (en) 2013-02-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220454101 Expired - Fee Related CN202755393U (en) 2012-09-07 2012-09-07 Automatic flameout resisting system and excavator thereof

Country Status (1)

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CN (1) CN202755393U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103321977A (en) * 2013-07-09 2013-09-25 无锡市钻通工程机械有限公司 Non-excavation pipelaying drilling machine power protection distribution system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103321977A (en) * 2013-07-09 2013-09-25 无锡市钻通工程机械有限公司 Non-excavation pipelaying drilling machine power protection distribution system
CN103321977B (en) * 2013-07-09 2015-06-10 无锡市钻通工程机械有限公司 Non-excavation pipelaying drilling machine power protection distribution system

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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: 20130227

Termination date: 20150907

EXPY Termination of patent right or utility model