CN201217820Y - Remote control device of slippage type loader shovel - Google Patents

Remote control device of slippage type loader shovel Download PDF

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Publication number
CN201217820Y
CN201217820Y CNU2008201501996U CN200820150199U CN201217820Y CN 201217820 Y CN201217820 Y CN 201217820Y CN U2008201501996 U CNU2008201501996 U CN U2008201501996U CN 200820150199 U CN200820150199 U CN 200820150199U CN 201217820 Y CN201217820 Y CN 201217820Y
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China
Prior art keywords
link
valve
electro
operated directional
hydraulic proportional
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Expired - Fee Related
Application number
CNU2008201501996U
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Chinese (zh)
Inventor
万小兵
李文明
江园春
王杰
黄海彬
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Shanghai Baoye Construction Co Ltd
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Shanghai Baoye Construction Co Ltd
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Priority to CNU2008201501996U priority Critical patent/CN201217820Y/en
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Abstract

The utility model discloses a remote control device of a sliding loading shovel, which is additionally provided with a shovel remote control module based on the remote control device of the original sliding loading shovel, the shovel remote control module is composed of four electro-hydraulic proportional reducing valves, four shuttle valves and an on-off three-way electromagnetic directional valve, wherein the on-off three-way electromagnetic directional valve realizes the isolation of remote control operation and hand operation; the four electro-hydraulic proportional reducing valves realize the simulating control of four action proportional quantities of lifting, dropping, pitching and tipping of the sliding loading shovel; and the four shuttle valves realize the isolation control of an oil way and a mainframe oil way of the added shovel remote control device. The remote control device realizes the simulating manual remote operation of the sliding loading shovel, realizes the isolation of the hand operation and the remote control operation as well as the concomitance of the two operation modes, adopts the modular design, simplifies the operation system, and improves the reliability of the system.

Description

The remote control of wheel type excavator scraper bowl
Technical field
The utility model relates to a kind of remote control of wheel type excavator scraper bowl.
Background technology
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 operating system becomes possibility.The engineering machinery of wireless remote control is applicable to the production operation under all kinds of dangerous operating modes, mainly can be applicable to scarfing cinder operation under the production operation, steel mill's stove of garbage disposal, 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, the control device of wheel type excavator scraper bowl comprises that respectively being responsible for the wheel type excavator scraper bowl promotes, descends, leans forward and four operation valves 1,2,3 and 4 of hypsokinesis, two pilot operated directional control valves 5 that are connected with four operation valves respectively and 6, two operating cylinders 7 that are connected with 6 with two pilot operated directional control valves 5 and 8; Its operating principle is: during manually-operated operation valve 1, guide's oil circuit P2 to pilot operated directional control valve 5 left sides, pushes pilot operated directional control valve 5 spools through operation valve 1 open, and this moment, working oil path P1 entered into operating cylinder 7 left chambeies through pilot operated directional control valve 5, the oil cylinder piston bar stretches out, and drives scraper bowl and promotes; At this moment, operating cylinder 7 right chamber hydraulic oil flow back to fuel tank 9 through pilot operated directional control valve 5.Otherwise, during manually-operated operation valve 2, guide's oil circuit P2 opens pilot operated directional control valve 5 spools through the right side that operation valve 2 enters into pilot operated directional control valve 5, this moment, working oil path P1 entered into operating cylinder 7 right chambeies through pilot operated directional control valve 5, the oil cylinder piston bar is regained, the drive scraper bowl descends, and at this moment, the hydraulic oil in operating cylinder 7 left chambeies flows back to fuel tank 9 through pilot operated directional control valve 5.Scraper bowl lean forward with the operating principle of hypsokinesis with above-mentioned consistent.
Do not occur at present remote control transformation as yet,, be necessary to realize the remote control control of wheel type excavator scraper bowl fully for adapting to the use of wheel type excavator under various operating modes to the wheel type excavator scraper bowl.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of remote control of wheel type excavator scraper bowl, use the analog manual operation of this remote control realization to the wheel type excavator scraper bowl, realize the isolation of manual and straighforward operation and the coexistence of two cover operator schemes, and employing modularized design, simplify operating system, improved the reliability of system.
For solving the problems of the technologies described above, the remote control of the utility model wheel type excavator scraper bowl, comprise that being responsible for the wheel type excavator scraper bowl respectively promotes, descend, lean forward and four operation valves 1 of hypsokinesis, 2,3 and 4, two pilot operated directional control valves 5 and 6 and two operating cylinders 7 and 8, described operation valve 1 is provided with link 11,12 and 13, described operation valve 2 is provided with link 21,22 and 23, described operation valve 3 is provided with link 31,32 and 33, described operation valve 4 is provided with link 41,42 and 43, described pilot operated directional control valve 5 is provided with link 51,52,53,54,55 and 56, described pilot operated directional control valve 6 is provided with link 61,62,63,64,65 and 66, described operating cylinder 7 is provided with link 71 and 72, described operating cylinder 8 is provided with link 81 and 82, the link 12 of described operation valve 1 is the link 22 of attended operation valve 2 respectively, the link 32 of operation valve 3, with the operation valve 4 link 42 and be connected to fuel tank 9, the link 13 of described operation valve 1 is the link 23 of attended operation valve 2 respectively, the link 43 of the link 33 of operation valve 3 and operation valve 4, the link 55 of described pilot operated directional control valve 5 and 56 is connected working oil path P1 and oil return circuit T respectively, the link 65 of described pilot operated directional control valve 6 and 66 is connected working oil path P1 and oil return circuit T respectively, the link 53 of described pilot operated directional control valve 5 and 54 is connected the link 71 and 72 of described operating cylinder 7 respectively, the link 63 of described pilot operated directional control valve 6 and 64 is connected the link 81 and 82 of described operating cylinder 8 respectively, it is characterized in that: also comprise four electro-hydraulic proportional reducing valve A, B, C and D, four shuttle valve E, F, G and H, a two-bit triplet solenoid operated directional valve M, described electro-hydraulic proportional reducing valve A is provided with link A1, A2 and A3, described electro-hydraulic proportional reducing valve B is provided with link B1, B2 and B3, described electro-hydraulic proportional reducing valve C is provided with link C1, C2 and C3, described electro-hydraulic proportional reducing valve D is provided with link D1, D2 and D3, described two-bit triplet solenoid operated directional valve M is provided with link M1, M2 and M3, the link M1 of described two-bit triplet solenoid operated directional valve M connects guide's oil circuit P2, the link M2 of described two-bit triplet solenoid operated directional valve M connects the link 13 of described operation valve 1, the link M3 of described two-bit triplet solenoid operated directional valve M connects the link A1 of described electro-hydraulic proportional reducing valve A respectively, the link B1 of electro-hydraulic proportional reducing valve B, the link C1 of electro-hydraulic proportional reducing valve C and the link D1 of electro-hydraulic proportional reducing valve D, the link A2 of described electro-hydraulic proportional reducing valve A, the link B2 of electro-hydraulic proportional reducing valve B, the link C2 of electro-hydraulic proportional reducing valve C is connected fuel tank 9 with the link D2 of electro-hydraulic proportional reducing valve D, the link A3 of described electro-hydraulic proportional reducing valve A connects the link E3 of described shuttle valve E, the link B3 of described electro-hydraulic proportional reducing valve B connects the link F3 of described shuttle valve F, the link C3 of described electro-hydraulic proportional reducing valve C connects the link G3 of described shuttle valve G, the link D3 of described electro-hydraulic proportional reducing valve D connects the link H3 of described shuttle valve H, the link E2 of described shuttle valve E connects the link 11 of described operation valve 1, the link F2 of described shuttle valve F connects the link 21 of described operation valve 2, the link G2 of described shuttle valve G connects the link 31 of described operation valve 3, the link H2 of described shuttle valve H connects the link 41 of described operation valve 4, the link E1 of described shuttle valve E connects the link 51 of described pilot operated directional control valve 5, the link F1 of described shuttle valve F connects the link 52 of described pilot operated directional control valve 5, the link G1 of described shuttle valve G connects the link 61 of described pilot operated directional control valve 6, and the link H1 of described shuttle valve H connects the link 62 of described pilot operated directional control valve 6.
Because the remote control of the utility model wheel type excavator scraper bowl has adopted technique scheme, promptly on the basis of former wheel type excavator scraper bowl control device, install additional by four electro-hydraulic proportional reducing valves, four shuttle valves and the scraper bowl remote control module that the two-bit triplet solenoid operated directional valve is formed, wherein, the two-bit triplet solenoid operated directional valve is realized straighforward operation and manually operated isolation, four electro-hydraulic proportional reducing valves realize that the wheel type excavator scraper bowl promotes, descend, lean forward and the simulation control of four of hypsokinesis action proportional quantities the oil circuit of the scraper bowl remote control module that four shuttle valves are realized installing additional and the isolated controlling of main frame oil circuit; This remote control has been realized the artificial straighforward operation of the simulation of wheel type excavator scraper bowl, has realized the isolation of manual and straighforward operation and the coexistence of two cover operator schemes, and has adopted modularized design, has simplified operating 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 diagram of former wheel type excavator scraper bowl control device,
Fig. 2 is the schematic diagram of this wheel type excavator scraper bowl remote control.
The specific embodiment
As shown in Figure 2, the remote control of the utility model wheel type excavator scraper bowl, comprise that being responsible for the wheel type excavator scraper bowl respectively promotes, descend, lean forward and four operation valves 1 of hypsokinesis, 2,3 and 4, two pilot operated directional control valves 5 and 6 and two operating cylinders 7 and 8, described operation valve 1 is provided with link 11,12 and 13, described operation valve 2 is provided with link 21,22 and 23, described operation valve 3 is provided with link 31,32 and 33, described operation valve 4 is provided with link 41,42 and 43, described pilot operated directional control valve 5 is provided with link 51,52,53,54,55 and 56, described pilot operated directional control valve 6 is provided with link 61,62,63,64,65 and 66, described operating cylinder 7 is provided with link 71 and 72, described operating cylinder 8 is provided with link 81 and 82, the link 12 of described operation valve 1 is the link 22 of attended operation valve 2 respectively, the link 32 of operation valve 3, with the operation valve 4 link 42 and be connected to fuel tank 9, the link 13 of described operation valve 1 is the link 23 of attended operation valve 2 respectively, the link 43 of the link 33 of operation valve 3 and operation valve 4, the link 55 of described pilot operated directional control valve 5 and 56 is connected working oil path P1 and oil return circuit T respectively, the link 65 of described pilot operated directional control valve 6 and 66 is connected working oil path P1 and oil return circuit T respectively, the link 53 of described pilot operated directional control valve 5 and 54 is connected the link 71 and 72 of described operating cylinder 7 respectively, the link 63 of described pilot operated directional control valve 6 and 64 is connected the link 81 and 82 of described operating cylinder 8 respectively, it is characterized in that: also comprise four electro-hydraulic proportional reducing valve A, B, C and D, four shuttle valve E, F, G and H, a two-bit triplet solenoid operated directional valve M, described electro-hydraulic proportional reducing valve A is provided with link A1, A2 and A3, described electro-hydraulic proportional reducing valve B is provided with link B1, B2 and B3, described electro-hydraulic proportional reducing valve C is provided with link C1, C2 and C3, described electro-hydraulic proportional reducing valve D is provided with link D1, D2 and D3, described two-bit triplet solenoid operated directional valve M is provided with link M1, M2 and M3, the link M1 of described two-bit triplet solenoid operated directional valve M connects guide's oil circuit P2, the link M2 of described two-bit triplet solenoid operated directional valve M connects the link 13 of described operation valve 1, the link M3 of described two-bit triplet solenoid operated directional valve M connects the link A1 of described electro-hydraulic proportional reducing valve A respectively, the link B1 of electro-hydraulic proportional reducing valve B, the link C1 of electro-hydraulic proportional reducing valve C and the link D1 of electro-hydraulic proportional reducing valve D, the link A2 of described electro-hydraulic proportional reducing valve A, the link B2 of electro-hydraulic proportional reducing valve B, the link C2 of electro-hydraulic proportional reducing valve C is connected fuel tank 9 with the link D2 of electro-hydraulic proportional reducing valve D, the link A3 of described electro-hydraulic proportional reducing valve A connects the link E3 of described shuttle valve E, the link B3 of described electro-hydraulic proportional reducing valve B connects the link F3 of described shuttle valve F, the link C3 of described electro-hydraulic proportional reducing valve C connects the link G3 of described shuttle valve G, the link D3 of described electro-hydraulic proportional reducing valve D connects the link H3 of described shuttle valve H, the link E2 of described shuttle valve E connects the link 11 of described operation valve 1, the link F2 of described shuttle valve F connects the link 21 of described operation valve 2, the link G2 of described shuttle valve G connects the link 31 of described operation valve 3, the link H2 of described shuttle valve H connects the link 41 of described operation valve 4, the link E1 of described shuttle valve E connects the link 51 of described pilot operated directional control valve 5, the link F1 of described shuttle valve F connects the link 52 of described pilot operated directional control valve 5, the link G1 of described shuttle valve G connects the link 61 of described pilot operated directional control valve 6, and the link H1 of described shuttle valve H connects the link 62 of described pilot operated directional control valve 6.
This remote control is when manual operation, and two-bit triplet solenoid operated directional valve M switches on, and guide's oil circuit P2 is fed directly to operation valve 1 to 4; During manually-operated operation valve 1, guide's oil circuit P2 is through two-bit triplet solenoid operated directional valve M, operation valve 1, shuttle valve E, enter into pilot operated directional control valve 5 left sides, push pilot operated directional control valve 5 spools open, this moment, working oil path P1 entered into operating cylinder 7 left chambeies through pilot operated directional control valve 5, operating cylinder 7 piston rods stretch out, and drive the wheel type excavator scraper bowl and promote, and operating cylinder 7 right chamber hydraulic oil flow back to fuel tank through pilot operated directional control valve 5, oil return circuit T.Otherwise, during manually-operated operation valve 2, guide's oil circuit P2 opens pilot operated directional control valve 5 spools through the right side that two-bit triplet solenoid operated directional valve M, operation valve 2, shuttle valve F enter into pilot operated directional control valve 5, this moment, working oil path P1 entered into operating cylinder 7 right chambeies through pilot operated directional control valve 5, the piston rod of operating cylinder 7 is regained, driving the wheel type excavator scraper bowl descends, operating cylinder 7 left chamber hydraulic oil flow back to fuel tank through pilot operated directional control valve 5, oil return circuit T, and pilot operated directional control valve 5 left side guide's hydraulic oil are through shuttle valve E or operation valve 1 flows back to fuel tank 9.In like manner, all the other wheel type excavator scraper bowls lean forward operating principle with hypsokinesis action with above-mentioned consistent.
And when straighforward operation, hydraulic principle is: two-bit triplet solenoid operated directional valve M no power, guide's oil circuit P2 flow in four electro-hydraulic proportional valves; When sending scraper bowl, remote control transmitter promotes signal, the receiver received signal is also sent instruction and is given electro-hydraulic proportional reducing valve A, electro-hydraulic proportional reducing valve A energising, guide's oil circuit P2 is by two-bit triplet solenoid operated directional valve M, electro-hydraulic proportional reducing valve A, shuttle valve E, enter into pilot operated directional control valve 5 left sides, push pilot operated directional control valve 5 spools open, this moment, working oil path P1 entered into operating cylinder 7 left chambeies through pilot operated directional control valve 5, operating cylinder 7 piston rods stretch out, drive the wheel type excavator scraper bowl and promote, operating cylinder 7 right chamber hydraulic oil are through pilot operated directional control valve 5, oil return circuit T flows back to fuel tank; Can change guide's oil circuit P2 by the angular dimension that promotes remote control transmitter emission rocking bar and change the aperture size of pilot operated directional control valve 5 spools by the pressure size that electro-hydraulic proportional reducing valve A, shuttle valve E are applied to pilot operated directional control valve 5 this moment, changes the scraper bowl hoisting depth thereby change the flow of the working hydraulic pressure oil circuit P1 by pilot operated directional control valve 5 and then change the length that operating cylinder 7 piston rods stretch out.
Otherwise, when remote control transmitter sends the scraper bowl dropping signal, the receiver received signal is also sent instruction and is given electro-hydraulic proportional reducing valve B, electro-hydraulic proportional reducing valve B energising, guide's oil circuit P2 is by two-bit triplet solenoid operated directional valve M, electro-hydraulic proportional reducing valve B, shuttle valve F, enter into pilot operated directional control valve 5 right sides, push pilot operated directional control valve 5 spools open, this moment, working oil path P1 entered into operating cylinder 7 right chambeies through pilot operated directional control valve 5, operating cylinder 7 piston rods are regained, driving the wheel type excavator scraper bowl descends, operating cylinder 7 left chamber hydraulic oil are through pilot operated directional control valve 5, oil return circuit T flows back to fuel tank, and pilot operated directional control valve 5 left side guide's hydraulic oil are through shuttle valve E, operation valve 1 or electro-hydraulic proportional reducing valve A flows back to fuel tank 9; Can change guide's oil circuit P2 by the angular dimension that promotes remote control transmitter emission rocking bar and change the aperture size of pilot operated directional control valve 5 spools by the pressure size that electro-hydraulic proportional reducing valve B, shuttle valve F are applied to pilot operated directional control valve 5 this moment, changes the height that scraper bowl descends thereby change the flow of the working oil path P1 by pilot operated directional control valve 5 and then change the length that operating cylinder 7 piston rods regain.In like manner, all the other wheel type excavator scraper bowls lean forward straighforward operation principle with hypsokinesis action with above-mentioned consistent.
The remote control of the utility model wheel type excavator scraper bowl installs additional on the basis of former wheel type excavator scraper bowl control device by four electro-hydraulic proportional reducing valves, four shuttle valves and the scraper bowl remote control module that the two-bit triplet solenoid operated directional valve is formed, wherein, the two-bit triplet solenoid operated directional valve is realized straighforward operation and manually operated isolation, four electro-hydraulic proportional reducing valves realize that the wheel type excavator scraper bowl promotes, descends, leans forward and the simulation control of four actions of hypsokinesis proportional quantities, the oil circuit of the scraper bowl remote control module that four shuttle valve realizations are installed additional and the isolated controlling of main frame oil circuit; This remote control has been realized the artificial straighforward operation of the simulation of wheel type excavator scraper bowl, has realized the isolation of manual and straighforward operation and the coexistence of two cover operator schemes, and has adopted modularized design, has simplified operating system, has improved the reliability of system.

Claims (1)

1, a kind of remote control of wheel type excavator scraper bowl, comprise that being responsible for the wheel type excavator scraper bowl respectively promotes, descend, lean forward and four operation valves (1) of hypsokinesis, (2), (3) and (4), two pilot operated directional control valves (5) and (6) and two operating cylinders (7) and (8), described operation valve (1) is provided with link (11), (12) and (13), described operation valve (2) is provided with link (21), (22) and (23), described operation valve (3) is provided with link (31), (32) and (33), described operation valve (4) is provided with link (41), (42) and (43), described pilot operated directional control valve (5) is provided with link (51), (52), (53), (54), (55) and (56), described pilot operated directional control valve (6) is provided with link (61), (62), (63), (64), (65) and (66), described operating cylinder (7) is provided with link (71) and (72), described operating cylinder (8) is provided with link (81) and (82), the link (12) of described operation valve (1) is the link (22) of attended operation valve (2) respectively, the link (42) of the link (32) of operation valve (3) and operation valve (4) also is connected to fuel tank (9), the link (13) of described operation valve (1) is the link (23) of attended operation valve (2) respectively, the link (43) of the link (33) of operation valve (3) and operation valve (4), link (55) and (56) of described pilot operated directional control valve (5) are connected working oil path (P1) and oil return circuit (T) respectively, link (65) and (66) of described pilot operated directional control valve (6) are connected working oil path (P1) and oil return circuit (T) respectively, link (53) and (54) of described pilot operated directional control valve (5) are connected link (71) and (72) of described operating cylinder (7) respectively, link (63) and (64) of described pilot operated directional control valve (6) are connected link (81) and (82) of described operating cylinder (8) respectively, it is characterized in that: also comprise four electro-hydraulic proportional reducing valves (A), (B), (C) and (D), four shuttle valves (E), (F), (G) and (H), a two-bit triplet solenoid operated directional valve (M), described electro-hydraulic proportional reducing valve (A) is provided with link (A1), (A2) and (A3), described electro-hydraulic proportional reducing valve (B) is provided with link (B1), (B2) and (B3), described electro-hydraulic proportional reducing valve (C) is provided with link (C1), (C2) and (C3), described electro-hydraulic proportional reducing valve (D) is provided with link (D1), (D2) and (D3), described two-bit triplet solenoid operated directional valve (M) is provided with link (M1), (M2) and (M3), the link (M1) of described two-bit triplet solenoid operated directional valve (M) connects guide's oil circuit (P2), the link (M2) of described two-bit triplet solenoid operated directional valve (M) connects the link (13) of described operation valve (1), the link (M3) of described two-bit triplet solenoid operated directional valve (M) connects the link (A1) of described electro-hydraulic proportional reducing valve (A) respectively, the link (B1) of electro-hydraulic proportional reducing valve (B), the link (C1) of electro-hydraulic proportional reducing valve (C) and the link (D1) of electro-hydraulic proportional reducing valve (D), the link (A2) of described electro-hydraulic proportional reducing valve (A), the link (B2) of electro-hydraulic proportional reducing valve (B), the link (C2) of electro-hydraulic proportional reducing valve (C) and the link (D2) of electro-hydraulic proportional reducing valve (D) are connected fuel tank (9), the link (A3) of described electro-hydraulic proportional reducing valve (A) connects the link (E3) of described shuttle valve (E), the link (B3) of described electro-hydraulic proportional reducing valve (B) connects the link (F3) of described shuttle valve (F), the link (C3) of described electro-hydraulic proportional reducing valve (C) connects the link (G3) of described shuttle valve (G), the link (D3) of described electro-hydraulic proportional reducing valve (D) connects the link (H3) of described shuttle valve (H), the link (E2) of described shuttle valve (E) connects the link (11) of described operation valve (1), the link (F2) of described shuttle valve (F) connects the link (21) of described operation valve (2), the link (G2) of described shuttle valve (G) connects the link (31) of described operation valve (3), the link (H2) of described shuttle valve (H) connects the link (41) of described operation valve (4), the link (E1) of described shuttle valve (E) connects the link (51) of described pilot operated directional control valve (5), the link (F1) of described shuttle valve (F) connects the link (52) of described pilot operated directional control valve (5), the link (G1) of described shuttle valve (G) connects the link (61) of described pilot operated directional control valve (6), and the link (H1) of described shuttle valve (H) connects the link (62) of described pilot operated directional control valve (6).
CNU2008201501996U 2008-06-27 2008-06-27 Remote control device of slippage type loader shovel Expired - Fee Related CN201217820Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201501996U CN201217820Y (en) 2008-06-27 2008-06-27 Remote control device of slippage type loader shovel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201501996U CN201217820Y (en) 2008-06-27 2008-06-27 Remote control device of slippage type loader shovel

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CN201217820Y true CN201217820Y (en) 2009-04-08

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CNU2008201501996U Expired - Fee Related CN201217820Y (en) 2008-06-27 2008-06-27 Remote control device of slippage type loader shovel

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C17 Cessation of patent right
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Granted publication date: 20090408

Termination date: 20100627