CN203654362U - Pilot handle control function switching apparatus for excavator - Google Patents
Pilot handle control function switching apparatus for excavator Download PDFInfo
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- CN203654362U CN203654362U CN201320884116.7U CN201320884116U CN203654362U CN 203654362 U CN203654362 U CN 203654362U CN 201320884116 U CN201320884116 U CN 201320884116U CN 203654362 U CN203654362 U CN 203654362U
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- oil circuit
- switching
- dipper
- pilot handle
- oil
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Abstract
The utility model discloses a pilot handle control function switching apparatus for an excavator. One switching solenoid valve is respectively arranged between a left revolving oil path and a dipper retracting oil path, a right revolving oil path and a dipper outward swinging oil path, a bucket retracting oil path and a movable arm lifting oil path, and between the bucket outward swinging oil path and the movable arm lowering oil path. The switching solenoid valves are respectively and electrically connected to an ECU controller, and a control panel is provided with pilot handle control function switching buttons, one for each switching solenoid valve. Switching among the pilot handle control functions can be automatically realized by touching one or more switching buttons by an excavator operator in a cab, without dismounting oil paths or manually operating solenoid valves, which saves time, and may not waste hydraulic oil and pollute environment.
Description
Technical field
The utility model belongs to excavator technical field, is specifically related to a kind of excavator pilot handle operating function switching device shifter.
Background technology
At present, hydraulic crawler excavator precursor operation system principal mode is both at home and abroad: the left revolution of excavator upper mounting plate and right-hand rotation are controlled respectively in the left and right manipulation of left pilot valve, and outer pendulum and the interior receipts of excavator boom are controlled respectively in the forward and backward manipulation of left pilot valve; Interior receipts and the outer pendulum of power shovel controlled respectively in the left and right manipulation of right pilot valve, and decline and the rising of excavator swing arm controlled respectively in the forward and backward manipulation of right pilot valve.
But, when running into some special operation conditions if do not needed excavator to turn round operation, but while needing frequent movement dipper, because digging machine hand is got used to left and right manipulation, easily produce fatigue if frequently carry out forward and backward manipulation, therefore, many digging machine hands require revolution manipulation and dipper manipulation to exchange.If user need to change maneuverability pattern according to the operating habit of oneself or training, often need two kinds of modes of dismounting guide oil pipe or manual operation electromagnetic valve.Above-mentioned two kinds of modes are not only lost time and hydraulic oil, also easy contaminated environment.
Utility model content
For the above-mentioned technical problem existing in prior art, the utility model proposes a kind of excavator pilot handle operating function switching device shifter, between pilot control mode, easy switching is quick, without dismounting oil pipe oil circuit or manual operation electromagnetic valve, not only saves time but also can not cause hydraulic oil waste.
To achieve these goals, the utility model adopts following technical scheme:
A kind of excavator pilot handle operating function switching device shifter, comprise ECU controller, left pilot valve, right pilot valve, main valve, main pump and each executing agency, left poppet port is by left rotation oil, right-hand rotation oil circuit, dipper is put four oil circuits of receipts oil circuit in oil circuit and dipper outward and is connected on main valve, right poppet port is by receiving oil circuit in scraper bowl, scraper bowl is put oil circuit outward, swing arm decline oil circuit and swing arm promote four oil circuits of oil circuit and are connected on main valve, described excavator pilot handle operating function switching device shifter also comprises a control panel being connected with ECU controller, on control panel, be provided with pilot handle operating function switching push button, in left rotation oil and dipper, receive between oil circuit, right-hand rotation oil circuit and dipper are put between oil circuit outward, in scraper bowl, receive oil circuit and swing arm promotes between oil circuit and scraper bowl is put outward between oil circuit and swing arm decline oil circuit a switching solenoid valve is respectively set, each switching solenoid valve is electrically connected to respectively on ECU controller.
Further, described pilot handle operating function switching push button comprises in left revolution and dipper that receipts switching push button, right-hand rotation and dipper are put switching push button outward, swing arm lifting is put switching push button outward with interior switching push button, swing arm decline and the scraper bowl received of scraper bowl.
Further, described each switching solenoid valve is connected respectively on a digital quantity output port of ECU controller.
Further, described switching solenoid valve adopts two position four-way solenoid valves.
The utility model has the advantages that:
The excavator pilot handle operating function switching device shifter that the utility model is addressed, only need digging machine hand to point to tap one or several pilot handle operating function switching push button on control panel in driver's cabin, excavator is just realized the mutual switching between pilot operated stick control control function automatically, need not dismounting oil circuit or manual operation electromagnetic valve, not only save time, can not waste hydraulic oil, more not pollute the environment yet.
Accompanying drawing explanation
Fig. 1 is the structural representation of excavator pilot handle operating function switching device shifter in the utility model, there is shown the connection state of the front each oil circuit of stick control function switching;
Fig. 2 is the structural representation of excavator pilot handle operating function switching device shifter in the utility model, there is shown the connection state of the rear each oil circuit of left pilot handle operating function switching;
Fig. 3 is the schematic flow sheet of excavator pilot handle operating function changing method in the utility model;
Fig. 4 is the structural representation of control panel in Fig. 1 or Fig. 2.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the utility model is described in further detail:
Shown in Fig. 1 and Fig. 2, a kind of excavator pilot handle operating function switching device shifter, comprises control panel 1, ECU controller 2, left pilot valve 3, right pilot valve 4, main valve 6, main pump and each executing agency, and control panel 1 is placed in driver's cabin.
3 mouthfuls of left pilot valves are put outward and in L1 oil circuit and dipper, are received four oil circuits of L2 oil circuit and be connected on main valve 6 by left revolution L3 oil circuit, right-hand rotation L4 oil circuit, dipper, and 4 mouthfuls of right pilot valves are put R4 oil circuit, swing arm decline R1 oil circuit and swing arm outward and promoted four oil circuits of R2 oil circuit and be connected on main valve 6 by receiving R3 oil circuit, scraper bowl in scraper bowl.
On control panel 1, be provided with pilot handle operating function switching push button, comprise in left revolution and dipper that receipts switching push buttons " L2-L3 ", right-hand rotation and dipper are put switching push button " L1-L4 " outward, swing arm lifting is put switching push button " R1-R4 " outward with interior switching push button " R2-R3 ", swing arm decline and the scraper bowl received of scraper bowl, in addition, menu button " HOME " and exit button " ESC " etc. can also be set, as shown in Figure 4 on control panel 1.
In left revolution L3 oil circuit and dipper, receive between L2 oil circuit, right-hand rotation oil circuit L4 and dipper are put between L1 oil circuit outward, in scraper bowl, receive R3 oil circuit and swing arm promotes between R2 oil circuit and scraper bowl is put outward between R4 oil circuit and swing arm decline R1 oil circuit a switching solenoid valve 51,52,53,54 is respectively set, each switching solenoid valve 51,52,53,54 is electrically connected to respectively on ECU controller, concrete, each switching solenoid valve 51,52,53,54 is connected respectively on a digital quantity output port DO of ECU controller 2. Switching solenoid valve 51,52,53,54 preferably adopts two position four-way solenoid valves.The utility model utilizes the ECU controller on existing excavator to realize, ECU controller hardware is without change, and the program that ECU controls internal judgment switching signal type can write by basic C language, and the utility model is easily realized, workable, be convenient to promote.
As shown in Figure 3, the changing method based on above-mentioned excavator pilot handle operating function switching device shifter is as follows:
A, digging machine hand send switching command by pilot handle operating function switching push button to ECU controller 2;
After b, ECU controller 2 receive switching command, judgement needs the pilot operated type of switching, and then sends switching signal to corresponding switching solenoid valve;
C, switching solenoid valve receive after switching signal the switching that realizes two oil circuits between this switching solenoid valve place oil circuit by the movement of self inner spool.
Switching to example with left pilot handle operating function is below described in further detail the utility model:
Digging machine hand is exchanged left and right operating function on left handle and front and back operating function according to the operating habit of oneself, application the utility model, digging machine hand only need click " L1-L4 " button and " L2-L3 " button on control panel 1, right-hand rotation and dipper are put to switching outward, and in left revolution and dipper, receipts switching command sends to ECU controller 2, ECU controller 2 receives after switching command, judge switching type by internal logic computing, i.e. judgement belongs in left revolution and dipper receives and switches, right-hand rotation and dipper are put switching outward, swing arm promotes with interior receipts of scraper bowl and switches, swing arm declines and puts the combination of switching any or which type in four kinds of switching types outward with scraper bowl, judge after switching type, ECU controller 2 is exported two switching value signals and is sent switching signal to switching solenoid valve 51 by two digital quantity output port DO wherein, 52, control respectively switching solenoid valve 51, 52 inner spool moves.
As shown in Figure 1, four of switching solenoid valve 51,52 connection oil circuits are respectively A1-B1, A2-B2, A3-B4, A4-B3. Switching solenoid valve 51,52 is not in the time receiving switching signal, spool is in meta, now A1-B1, A2-B2 oil circuit are connected, A3-B4, A4-B3 oil circuit block, left revolution L3 oil circuit is connected with main valve 6 by A1-B1, A2-B2 path on switching solenoid valve 51 respectively with receipts L2 oil circuit in dipper, and right-hand rotation L4 oil circuit is put L1 oil circuit outward with dipper and is connected with main valve 6 by A1-B1, A2-B2 path on electromagnetic valve 52 respectively.When switching solenoid valve 51, 52 receive after switching signal, as shown in Figure 2, switching solenoid valve 51, 52 inner spool is moved to the left respectively, now A1-B1, A2-B2 oil circuit blocks, A3-B4, A4-B3 oil circuit is connected, in left revolution L3 oil circuit and dipper, receive L2 oil circuit respectively by the A3-B4 on switching solenoid valve 51, switching between the realization of A4-B3 path and main valve 6 oil circuits, right-hand rotation L4 oil circuit and dipper are put L1 oil circuit outward respectively by the A3-B4 on electromagnetic valve 52, switching between the realization of A4-B3 path and main valve 6 oil circuits, by above process, just realized the switching between left handle left and right operating function and front and back operating function, whole handoff procedure is convenient and swift, the automation having realized completely between oil circuit is switched.Because right pilot handle operating function switching principle is identical with left pilot handle operating function switching principle, repeat no more herein.
Certainly; more than explanation is only preferred embodiment of the present utility model; the utility model is not limited to enumerate above-described embodiment; should be noted that; any those of ordinary skill in the art are under the instruction of this manual; that makes is allly equal to alternative, obvious variant, within all dropping on the essential scope of this manual, ought to be subject to protection of the present utility model.
Claims (4)
1. an excavator pilot handle operating function switching device shifter, comprise ECU controller, left pilot valve, right pilot valve, main valve, main pump and each executing agency, left poppet port is by left rotation oil, right-hand rotation oil circuit, dipper is put four oil circuits of receipts oil circuit in oil circuit and dipper outward and is connected on main valve, right poppet port is by receiving oil circuit in scraper bowl, scraper bowl is put oil circuit outward, swing arm decline oil circuit and swing arm promote four oil circuits of oil circuit and are connected on main valve, it is characterized in that, described excavator pilot handle operating function switching device shifter also comprises a control panel being connected with ECU controller, on control panel, be provided with pilot handle operating function switching push button, in left rotation oil and dipper, receive between oil circuit, right-hand rotation oil circuit and dipper are put between oil circuit outward, in scraper bowl, receive oil circuit and swing arm promotes between oil circuit and scraper bowl is put outward between oil circuit and swing arm decline oil circuit a switching solenoid valve is respectively set, each switching solenoid valve is electrically connected to respectively on ECU controller.
2. a kind of excavator pilot handle operating function switching device shifter according to claim 1, it is characterized in that, described pilot handle operating function switching push button comprises in left revolution and dipper that receipts switching push button, right-hand rotation and dipper are put switching push button outward, swing arm lifting is put switching push button outward with interior switching push button, swing arm decline and the scraper bowl received of scraper bowl.
3. a kind of excavator pilot handle operating function switching device shifter according to claim 1, is characterized in that, described each switching solenoid valve is connected respectively on a digital quantity output port of ECU controller.
4. a kind of excavator pilot handle operating function switching device shifter according to claim 1, is characterized in that, described switching solenoid valve adopts two position four-way solenoid valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320884116.7U CN203654362U (en) | 2013-12-30 | 2013-12-30 | Pilot handle control function switching apparatus for excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320884116.7U CN203654362U (en) | 2013-12-30 | 2013-12-30 | Pilot handle control function switching apparatus for excavator |
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| Publication Number | Publication Date |
|---|---|
| CN203654362U true CN203654362U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320884116.7U Withdrawn - After Issue CN203654362U (en) | 2013-12-30 | 2013-12-30 | Pilot handle control function switching apparatus for excavator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669456A (en) * | 2013-12-30 | 2014-03-26 | 青岛雷沃挖掘机有限公司 | Pilot handle operation function switchover system and method of excavator |
| CN107905273A (en) * | 2017-11-28 | 2018-04-13 | 美尚生态景观股份有限公司 | Excavator fast replacing device control system |
| CN111701230A (en) * | 2020-06-24 | 2020-09-25 | 三一重机有限公司 | Method and device for changing execution action associated with handle operation |
| CN114753433A (en) * | 2022-05-30 | 2022-07-15 | 江苏朗禾控制系统有限公司 | Novel excavator single-handle control system and control method thereof |
-
2013
- 2013-12-30 CN CN201320884116.7U patent/CN203654362U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669456A (en) * | 2013-12-30 | 2014-03-26 | 青岛雷沃挖掘机有限公司 | Pilot handle operation function switchover system and method of excavator |
| CN103669456B (en) * | 2013-12-30 | 2015-10-21 | 青岛雷沃挖掘机有限公司 | A kind of excavator pilot handle operation function switchover and method |
| CN107905273A (en) * | 2017-11-28 | 2018-04-13 | 美尚生态景观股份有限公司 | Excavator fast replacing device control system |
| CN111701230A (en) * | 2020-06-24 | 2020-09-25 | 三一重机有限公司 | Method and device for changing execution action associated with handle operation |
| CN111701230B (en) * | 2020-06-24 | 2024-03-12 | 三一重机有限公司 | Method and device for changing execution actions associated with handle operation |
| CN114753433A (en) * | 2022-05-30 | 2022-07-15 | 江苏朗禾控制系统有限公司 | Novel excavator single-handle control system and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140618 Effective date of abandoning: 20151021 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |