CN201218242Y - Remote steering control apparatus for leading steering control wheel type loader - Google Patents
Remote steering control apparatus for leading steering control wheel type loader Download PDFInfo
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- CN201218242Y CN201218242Y CNU2008201501962U CN200820150196U CN201218242Y CN 201218242 Y CN201218242 Y CN 201218242Y CN U2008201501962 U CNU2008201501962 U CN U2008201501962U CN 200820150196 U CN200820150196 U CN 200820150196U CN 201218242 Y CN201218242 Y CN 201218242Y
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Abstract
The utility model discloses a remote control steering control device of a pilot steering control wheel loader, comprising a working pump, a pilot pump, a steering device, a hydraulic control pilot reversal valve and two steering oil tanks of the original steering control device as well as a newly-added remote control module which comprises two electro-hydraulic proportional pressure relief valves, two shuttle valves and two hydraulic control one-way valves, wherein the electro-hydraulic proportional pressure relief valves are mainly used for realizing the simulation operation of remote control, that is, realizing the form of proportional operation to the wheel loader steering control, the shuttle valves are used for changing the direction of an oil way after the remote control module is added and the hydraulic control one-way valves are used for realizing the oil-returning of the pilot oil way after the remote control module is added. The remote control steering control device realizes simulation of manual operation for the wheel loader and realizes the isolation and the coexistence of a manual and remote control operation mode; and the modularized design is adopted to simplify the operation system and improve the reliability of the system.
Description
Technical field
The utility model relates to the remote control steering control device that a kind of guide of employing turns to the wheel loader of control.
Background technique
Along with the continuous development of digital communication technology and the continuous upgrading of work machine operation control system, especially the technological progress and the application of electro-hydraulic proportional valve and other dedicated devices, make engineering machinery speed-change and gearshift, turn to, the various systems such as action of braking and equipment can both realize electrical control, so installing additional of engineering machinery Wireless remote control operation system becomes possibility.The engineering machinery of Wireless remote control is applicable to the manufacturing operation under all kinds of dangerous operating modes, mainly can be applicable to scarfing cinder operation under the manufacturing operation, steel mill's stove of waste processing, active area and such as the operation of occasions such as tunnel, ore deposit kiln, cabin, toxic and harmful.
Usually, as shown in Figure 1, adopt the guide turn to control wheel loader steering control device its mainly comprise working pump 1, pioneer pump 2, commutator 3, hydraulic control pilot reversing valve 4 and two turn to oil cylinder 5 and 6, commutator 3 is provided with connecting end 31,32,33 and 34, hydraulic control pilot reversing valve 4 is provided with connecting end 41,42,43,44,45 and 46, two turn to oil cylinder 5 and 6 to be respectively equipped with rod chamber 51 and 61 and rodless cavity 52 and 62, turn left when operating commutator 3 manually, guide's oil circuit is before leads in the pump 2 through the connecting end 32 of commutator 3 and 33 and flow into the connecting end 45 of hydraulic control pilot reversing valve 4 along guide's oil circuit M3, open hydraulic control pilot reversing valve 4 spools, make working oil path from the connecting end 41 of working pump 1 through hydraulic control pilot reversing valve 4,43 and 44 flow into rodless cavity 62 that turns to oil cylinder 6 and the rod chamber 51 that turns to oil cylinder 5 respectively, promote wheel loader and turn left; This moment, guide oil flowed back to fuel tank 7 through the connecting end 46 of hydraulic control pilot reversing valve 4 to the connecting end 34 and 31 of commutator 3 by loop oil pipe 8; The rodless cavity 52 that turns to oil cylinder 5 that turns to rod chamber 61 oil circuits of oil cylinder 6 to flow into, rod chamber 51 oil circuits that turn to oil cylinder 5 flow into the rodless cavity 62 that turns to oil cylinder 6, work the power-assist effect that turns to.Otherwise working principle is identical with it during right-hand rotation, and its guide oil curb N3 flows.
In the prior art, what the remote controller of the telechirics that wheel loader installs additional steering system adopted is the one way control mode, and when transmitter breaks down can not send signal the time, receiver still always according to original command execution action, causes accident easily.Above-mentioned telechirics can not realize the analog manual operation to wheel loader fully, and manual and remote control two cover operation systems can not rationally coexist, and complex operation, system complex, and system reliability is poor.
Summary of the invention
Technical problem to be solved in the utility model provides the remote control steering control device that a kind of guide turns to the wheel loader of control, use this steering gear and realized analog manual operation wheel loader, the isolation of manual and remotely-controlled operation and the coexistence of two cover operator schemes have been realized, and employing modular design, simplify operation system, improved the reliability of system.
For solving the problems of the technologies described above, the utility model guide turns to the remote control steering control device of the wheel loader of control, the working pump 1 that comprises steering control device, pioneer pump 2, commutator 3, hydraulic control pilot reversing valve 4 and two turn to oil cylinder 5 and 6, described commutator 3 is provided with four connecting ends 31,32,33 and 34, described hydraulic control pilot reversing valve 4 is provided with six connecting ends 41,42,43,44,45 and 46, the described oil cylinder 5 and 6 that turns to is provided with rod chamber 51,61 and rodless cavity 52,62, the connecting end 32 of described commutator 3 connects the output terminal of described pioneer pump 2, the described rod chamber 51 of oil cylinder 5 that turns to connects the described rodless cavity 62 that turns to oil cylinder 6, the described rodless cavity 52 of oil cylinder 5 that turns to connects the described rod chamber 61 that turns to oil cylinder 6, the connecting end 43 of described hydraulic control pilot reversing valve 4 and 44 is connected the described rodless cavity 62 that turns to the rodless cavity 52 of oil cylinder 5 and turn to oil cylinder 6 respectively, the connecting end 41 of described hydraulic control pilot reversing valve 4 connects the output terminal of described working pump 1, the connecting end 31 of described commutator 3 is connected fuel tank 7 with the connecting end 42 of hydraulic control pilot reversing valve 4 by loop oil pipe 8, also comprise two electro-hydraulic proportional reducing valve A and B, two shuttle valve C and D and two Pilot operated check valve E and F, described two electro-hydraulic proportional reducing valve A and B are respectively equipped with connecting end A1, A2, A3 and B1, B2, B3, described two shuttle valve C and D are respectively equipped with connecting end C1, C2, C3 and D1, D2, D3, described two Pilot operated check valve E and F are respectively equipped with connecting end E1, E2, E3 and F1, F2, F3, the connecting end A1 of described two electro-hydraulic proportional reducing valve A and B is connected the output terminal of described pioneer pump 2 with B 1 back in parallel, be connected described loop oil pipe 8 after the connecting end A2 of described two electro-hydraulic proportional reducing valve A and B and the B2 parallel connection, the connecting end A3 of described two electro-hydraulic proportional reducing valve A and B and B3 are connected connecting end C2 and the D2 of described two shuttle valve C and D respectively, be connected described loop oil pipe 8 after the connecting end E2 of described two Pilot operated check valve E and F and the F2 parallel connection, be connected the connecting end C3 of described shuttle valve C after the connecting end E1 of described two Pilot operated check valve E and F and the F3 parallel connection and be connected with the connecting end 45 of described hydraulic control pilot reversing valve 4, be connected the connecting end D3 of described shuttle valve D after the connecting end E3 of described two Pilot operated check valve E and F and the F1 parallel connection and be connected with the connecting end 46 of described hydraulic control pilot reversing valve 4, the connecting end C1 of described two shuttle valve C and D is connected with 34 with the connecting end 33 of described commutator 3 respectively with D1.
Because the utility model guide turns to the remote control steering control device of the wheel loader of control to adopt technique scheme, promptly install the remote control of forming by two electro-hydraulic proportional reducing valves, two shuttle valves and two Pilot operated check valves additional and turn to control module at the steering control device of former wheel loader, wherein, electro-hydraulic proportional reducing valve is mainly in order to realize the simulated operation of remote control, promptly realize turning to the operation sequential form of control, shuttle valve is in order to changing the oil circuit direction after installing remote control module additional, and Pilot operated check valve is in order to be implemented in the oil return of installing guide's oil circuit behind the remote control module additional.This remote control steering control device has been realized the analog manual operation to wheel loader, has realized the isolation of manual and remotely-controlled operation and the coexistence of two cover operator schemes, and has adopted modular design, has simplified operation system, has improved the reliability of system.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and embodiments:
Fig. 1 is the schematic representation that the employing guide turns to the wheel loader steering control device of control,
Fig. 2 turns to the schematic representation of the remote control steering control device of control wheel loader for this guide.
Embodiment
As shown in Figure 2, the utility model guide turns to the remote control steering control device of the wheel loader of control, the working pump 1 that comprises steering control device, pioneer pump 2, commutator 3, hydraulic control pilot reversing valve 4 and two turn to oil cylinder 5 and 6, described commutator 3 is provided with four connecting ends 31,32,33 and 34, described hydraulic control pilot reversing valve 4 is provided with six connecting ends 41,42,43,44,45 and 46, the described oil cylinder 5 and 6 that turns to is provided with rod chamber 51,61 and rodless cavity 52,62, the connecting end 32 of described commutator 3 connects the output terminal of described pioneer pump 2, the described rod chamber 51 of oil cylinder 5 that turns to connects the described rodless cavity 62 that turns to oil cylinder 6, the described rodless cavity 52 of oil cylinder 5 that turns to connects the described rod chamber 61 that turns to oil cylinder 6, the connecting end 43 of described hydraulic control pilot reversing valve 4 and 44 is connected the described rodless cavity 62 that turns to the rodless cavity 52 of oil cylinder 5 and turn to oil cylinder 6 respectively, the connecting end 41 of described hydraulic control pilot reversing valve 4 connects the output terminal of described working pump 1, the connecting end 31 of described commutator 3 is connected fuel tank 7 with the connecting end 42 of hydraulic control pilot reversing valve 4 by loop oil pipe 8, also comprise two electro-hydraulic proportional reducing valve A and B, two shuttle valve C and D and two Pilot operated check valve E and F, described two electro-hydraulic proportional reducing valve A and B are respectively equipped with connecting end A1, A2, A3 and B1, B2, B3, described two shuttle valve C and D are respectively equipped with connecting end C1, C2, C3 and D1, D2, D3, described two Pilot operated check valve E and F are respectively equipped with connecting end E1, E2, E3 and F1, F2, F3, the output terminal that is connected described pioneer pump 2 after the connecting end A1 of described two electro-hydraulic proportional reducing valve A and B and the B1 parallel connection, be connected described loop oil pipe 8 after the connecting end A2 of described two electro-hydraulic proportional reducing valve A and B and the B2 parallel connection, the connecting end A3 of described two electro-hydraulic proportional reducing valve A and B and B3 are connected connecting end C2 and the D2 of described two shuttle valve C and D respectively, be connected described loop oil pipe 8 after the connecting end E2 of described two Pilot operated check valve E and F and the F2 parallel connection, be connected the connecting end C3 of described shuttle valve C after the connecting end E1 of described two Pilot operated check valve E and F and the F3 parallel connection and be connected with the connecting end 45 of described hydraulic control pilot reversing valve 4, be connected the connecting end D3 of described shuttle valve D after the connecting end E3 of described two Pilot operated check valve E and F and the F1 parallel connection and be connected with the connecting end 46 of described hydraulic control pilot reversing valve 4, the connecting end C1 of described two shuttle valve C and D is connected with 34 with the connecting end 33 of described commutator 3 respectively with D1.
This remote control steering control device can be realized manually-operable or the remotely-controlled operation that wheel loader turns to, when manually-operable, electro-hydraulic proportional reducing valve A or B be not because, so this valve do not work, thus guide's oil circuit without electro-hydraulic proportional reducing valve A or B, the connecting end C1 of shuttle valve C and D and C3 connection, D1 and D3 are communicated with, when manually turning left, guide oil is through guide's oil circuit M3, and when manually turning right, guide oil is through guide's oil circuit N3; This moment, wheel loader go to action principle was identical with prior art;
And when remotely-controlled operation, the hydraulic principle of this remote control steering control device is: electro-hydraulic proportional reducing valve A got electric work when the remotely-controlled operation wheel loader turned left, guide's oil circuit enters through the connecting end A1 of electro-hydraulic proportional reducing valve A, connecting end A3 flows out and the connecting end C2 that flow to shuttle valve C flows out to connecting end C3, the connecting end 45 that enters into hydraulic control pilot reversing valve 4 then also enters into the connecting end F3 of Pilot operated check valve F simultaneously, this moment, hydraulic control pilot reversing valve 4 and Pilot operated check valve F were opened simultaneously, working oil path enters from the connecting end 41 of the output terminal process hydraulic control pilot reversing valve 4 of working pump 1, connecting end 43 flows out, and flow into rodless cavity 52 that turns to oil cylinder 5 and the rod chamber 61 that turns to oil cylinder 6 respectively, promote wheel loader and turn left; This moment guide oil through the connecting end 46 of hydraulic control pilot reversing valve 4 through the connecting end F1 of Pilot operated check valve F enter, connecting end F2 flows out, or the connecting end B3 that the connecting end D3 of shuttle valve D enters, connecting end D2 flows out to electro-hydraulic proportional reducing valve B enters, connecting end B2 flows out and flows back to fuel tank 7 by loop oil pipe 8; The rodless cavity 62 that turns to rod chamber 51 oil circuits of oil cylinder 5 to flow into to turn to oil cylinder 6, rod chamber 61 oil circuits that turn to oil cylinder 6 flow into and turn to oil cylinder 5 rodless cavities 52, work the power-assist effect that turns to.At this moment, adjust the aperture of electro-hydraulic proportional reducing valve A by the angular dimension that promotes remote control transmitter emission rocking bar, thereby control the aperture and then the control of hydraulic control pilot reversing valve 4 spools and enter into the oil pressure control wheel loader left-hand rotation speed that turns to oil cylinder 5 and 6 to adjust guide oil pressure.Otherwise working principle is identical with it during right-hand rotation.
This remote control steering control device installs the remote control of being made up of two electro-hydraulic proportional reducing valves, two shuttle valves and two Pilot operated check valves additional at the steering control device of former wheel loader and turns to control module, wherein, electro-hydraulic proportional reducing valve is mainly in order to realize the simulated operation of remote control, promptly realize turning to the operation sequential form of control, shuttle valve is in order to changing the oil circuit direction after installing remote control module additional, and Pilot operated check valve is in order to be implemented in the oil return of installing guide's oil circuit behind the remote control module additional.In this remote control steering control device, the telechirics of wheel loader adopts HBC round trip control mode remote controller, when receiver does not receive the signal of transmitter, promptly stops operation automatically, and is safe and reliable, avoided the generation of security incident.This remote control steering control device has been realized the analog manual operation to wheel loader, has realized the isolation of manual and remotely-controlled operation and the coexistence of two cover operator schemes, and has adopted modular design, has simplified operation system, has improved the reliability of system.
Claims (1)
1, a kind of guide turns to the remote control steering control device of the wheel loader of control, the working pump (1) that comprises steering control device, pioneer pump (2), commutator (3), hydraulic control pilot reversing valve (4) and two turn to oil cylinder (5) and (6), described commutator (3) is provided with four connecting ends (31), (32), (33) and (34), described hydraulic control pilot reversing valve (4) is provided with six connecting ends (41), (42), (43), (44), (45) and (46), described oil cylinder (5) and (6) of turning to are provided with rod chamber (51), (61) and rodless cavity (52), (62), the connecting end (32) of described commutator (3) connects the output terminal of described pioneer pump (2), the described rod chamber (51) of oil cylinder (5) that turns to connects the described rodless cavity (62) that turns to oil cylinder (6), the described rodless cavity (52) of oil cylinder (5) that turns to connects the described rod chamber (61) that turns to oil cylinder (6), connecting end (43) and (44) of described hydraulic control pilot reversing valve (4) are connected the described rodless cavity (62) that turns to the rodless cavity (52) of oil cylinder (5) and turn to oil cylinder (6) respectively, the connecting end (41) of described hydraulic control pilot reversing valve (4) connects the output terminal of described working pump (1), the connecting end (31) of described commutator (3) and the connecting end (42) of hydraulic control pilot reversing valve (4) are connected fuel tank (7) by loop oil pipe (8), it is characterized in that: comprise that also two electro-hydraulic proportional reducing valves (A) reach (B), two shuttle valves (C) reach (D) and two Pilot operated check valves (E) reach (F), described two electro-hydraulic proportional reducing valves (A) reach and (B) are respectively equipped with connecting end (A1), (A2), (A3) and (B1), (B2), (B3), described two shuttle valves (C) reach and (D) are respectively equipped with connecting end (C1), (C2), (C3) and (D1), (D2), (D3), described two Pilot operated check valves (E) reach and (F) are respectively equipped with connecting end (E1), (E2), (E3) and (F1), (F2), (F3), described two electro-hydraulic proportional reducing valves (A) and connecting end (A1) (B) are connected the output terminal of described pioneer pump (2) with (B1) back in parallel, be connected described loop oil pipe (8) after described two electro-hydraulic proportional reducing valves (A) and (B) connecting end (A2) and (B2) parallel connection, described two electro-hydraulic proportional reducing valves (A) and (B) connecting end (A3) and (B3) are connected described two shuttle valves (C) respectively and reach (D) connecting end (C2) and (D2), be connected described loop oil pipe (8) after described two Pilot operated check valves (E) and (F) connecting end (E2) and (F2) parallel connection, described two Pilot operated check valves (E) and connecting end (E1) (F) are connected the connecting end (C3) of described shuttle valve (C) with (F3) back in parallel and are connected with the connecting end (45) of described hydraulic control pilot reversing valve (4), described two Pilot operated check valves (E) and connecting end (E3) (F) are connected the connecting end (D3) of described shuttle valve (D) with (F1) back in parallel and are connected with the connecting end (46) of described hydraulic control pilot reversing valve (4), and described two shuttle valves (C) and connecting end (C1) (D) are connected with (34) with the connecting end (33) of described commutator (3) respectively with (D1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201501962U CN201218242Y (en) | 2008-06-27 | 2008-06-27 | Remote steering control apparatus for leading steering control wheel type loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201501962U CN201218242Y (en) | 2008-06-27 | 2008-06-27 | Remote steering control apparatus for leading steering control wheel type loader |
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| Publication Number | Publication Date |
|---|---|
| CN201218242Y true CN201218242Y (en) | 2009-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201501962U Expired - Fee Related CN201218242Y (en) | 2008-06-27 | 2008-06-27 | Remote steering control apparatus for leading steering control wheel type loader |
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| CN (1) | CN201218242Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671364A (en) * | 2012-09-12 | 2014-03-26 | 上海宝冶集团有限公司 | Steering electrohydraulic control system for remote control loading machine |
-
2008
- 2008-06-27 CN CNU2008201501962U patent/CN201218242Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671364A (en) * | 2012-09-12 | 2014-03-26 | 上海宝冶集团有限公司 | Steering electrohydraulic control system for remote control loading machine |
| CN103671364B (en) * | 2012-09-12 | 2015-12-23 | 上海宝冶集团有限公司 | Electrohydraulic control system is turned to for remote control loader |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090408 Termination date: 20100627 |