CN202322060U - Control system of leg-support engineering machinery - Google Patents
Control system of leg-support engineering machinery Download PDFInfo
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- CN202322060U CN202322060U CN2011204488656U CN201120448865U CN202322060U CN 202322060 U CN202322060 U CN 202322060U CN 2011204488656 U CN2011204488656 U CN 2011204488656U CN 201120448865 U CN201120448865 U CN 201120448865U CN 202322060 U CN202322060 U CN 202322060U
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- supporting leg
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Abstract
The utility model provides a control system of leg-support engineering machinery, which can be used for solving problems of cumbersome operation and insufficient safety of supporting leg control of the leg-support engineering machinery in the prior art. The control system comprises a remote control emitter, a remote control receiver and a supporting leg control unit, wherein the remote control emitter is used for emitting remote control signals; the remote control receiver is connected with the remote control emitter in a wireless mode, and is used for receiving and transponding the remote control signals; and the supporting leg control unit is connected with the remote control receiver, is used for receiving the remote control signals transponded by the remote control receiver and controlling supporting legs of the engineering machinery according to the remote control signals. According to the technical scheme of the control system of the leg-support engineering machinery, the safety of the leg-support engineering machinery is facilitated, and the work load of staff can be reduced.
Description
Technical field
The utility model relates to technical field of engineering machinery, relates to a kind of control system of supporting leg type construction machinery and equipment especially.
Background technology
Needs along with large-scale construction projects such as increasing power station, express highway, bridge, wind-powered electricity generations; It is huge day by day that the volume of construction machinery and equipment self all must be designed to be; Have to again device design is become a plurality of Knockdown blocks for solving transportation problem, solve the problem overweight and the volume super large of conducting oneself with dignity through on-the-spot dismounting again.And construction machinery and equipments such as car hosit, aerial platform in when construction because the dismounting trouble, and consuming timely indulge in the worker, have to be designed with band and carry and go.
In the above-mentioned construction machinery and equipment, there is the construction machinery and equipment of many types to have supporting leg, the so-called supporting leg type construction machinery and equipment of this type construction machinery and equipment.In correlation technique, the control of supporting leg has two kinds usually.A kind of mode is that the installation and control switch is controlled on the control box panel, and the layout of master cock is for example shown in Figure 1.Fig. 1 is the scheme drawing of arranging according to the supporting leg master cock in the correlation technique.Master cock can be arranged on the panel of electric cabinet, and electric cabinet generally is lifted on walking on the platen of vehicle.Another kind of mode is a line traffic control, and with reference to figure 2, Fig. 2 is the scheme drawing according to the panel of the supporting leg controller of the control line traffic control in the correlation technique.
Under this mode, generally be when needs are controlled, to inserting, the command range that adopts this mode is generally in 10 meters with the plug of the other end cable of wired control box and the socket on the vehicle frame.
According to correlation technique, be positioned at the left and right sides of vehicle at the supporting leg of hoisting crane, nearly 10 meters of the span that supporting leg launches, regains.When operating personal was operated in a side, the particular case of an other side can't be observed basically.Normally a people operates, and an other people observes and commands, and between the two in case cooperate badly, then has safety misadventure and takes place.Along with constantly extending in the hoisting crane chassis, the supporting leg span constantly increases, and the potential safety hazard of existing supporting leg maneuverability pattern is also increasing.
Construction machinery and equipment such as car hosit, aerial platform bothers because dismantle when construction; And consuming timely indulge in the worker; Have to be designed with band and carry and to go, thus must have band carry the revenue and expenditure leg with let equipment closely area idling move the work-yard, the very big potential safety hazard of in-plant operation existence.
Main equipment is because overweight in addition; And supporting leg is designed to detachable; No matter and prior art is case control or line traffic control, all can not carry control setup, handling device is operated, the decision operation effect so when the operator dismantles equipment, must repeatedly travel to and fro between; Adjustment repeatedly, the fixed type operation has increased operator's working strength.
In correlation technique, the control of the supporting leg of supporting leg type construction machinery and equipment exists complex operation and the not enough problem of safety, for this problem, does not propose effective solution in the correlation technique as yet.
The utility model content
The main purpose of the utility model provides a kind of control system of supporting leg type construction machinery and equipment, has complex operation and the not enough problem of safety with the supporting leg control that solves supporting leg type construction machinery and equipment in the prior art.
To achieve these goals, according to an aspect of the utility model, a kind of control system of supporting leg type construction machinery and equipment is provided.
The control system of the supporting leg type construction machinery and equipment of the utility model comprises: remote control transmitter is used to launch remote signal; Receiver of remote-control sytem is connected with wireless mode with said remote control transmitter, is used to receive said remote signal and forwarding; The supporting leg control unit is connected with said receiver of remote-control sytem, is used to receive the remote signal that said receiver of remote-control sytem is transmitted, and according to this remote signal the supporting leg of said construction machinery and equipment is controlled.
Further, said supporting leg control unit and said receiver of remote-control sytem are through the total wire joint of CAN.
Further, said supporting leg control unit comprises programmable logic controller (PLC).
Further, said control system comprises also and said receiver of remote-control sytem bonded assembly chassis control unit that said chassis control unit is used to control engine in situ.
Further, said chassis control unit comprises programmable logic controller (PLC).
Further, said receiver of remote-control sytem and said chassis control unit are through the total wire joint of CAN.
Further, also comprise: remote control/line traffic control select switch, be connected with said supporting leg control unit, be used to send remote control and select signal or line traffic control to select signal; The manual-operated emergent control setup is connected with said supporting leg control unit, is used for having sent line traffic control at said remote control/line traffic control select switch and selects to transmit control signal to said supporting leg control unit under the situation of signal.
Further, said control system comprises also and said supporting leg control unit bonded assembly obliquity sensor that said obliquity sensor is used to detect the inclination angle of said construction machinery and equipment; Comprise treater in the said supporting leg control unit, this treater is used for judging according to said remote signal and said inclination angle, when confirming to control said supporting leg and will cause said inclination angle greater than preset value according to said remote signal, and the output information.
Further, said control system also comprises and the said supporting leg control unit bonded assembly control unit of getting on the bus, and is used to receive said information, and according to this information control that getting on the bus of said construction machinery and equipment shut down or to secure side to operation.
Further; Said control system also comprises and said supporting leg control unit bonded assembly back-pressure detecting unit; Said back-pressure detecting unit is used to detect the back-pressure of each bar supporting leg of said construction machinery and equipment, and the information of said back-pressure is sent to said supporting leg control unit; Comprise treater in the said supporting leg control unit, this treater is used for having judged whether that according to the information of said back-pressure a supporting leg is not stressed, and the output judged result.
Technical scheme according to the utility model; Adopt remote control transmitter emission remote signal and receive and be transmitted to the supporting leg control unit to realize control supporting leg by receiver of remote-control sytem; This mode has broken through the restriction for the supporting leg command range, thereby has eliminated the potential safety hazard of supporting leg control in the correlation technique; And remote controller can be carried, and when the supporting leg dismounting, need not to travel to and fro between between dismounting position and the remote control equipment (RCE), has alleviated personnel's labour intensity.
Description of drawings
Figure of description is used to provide the further understanding to the utility model, constitutes the application's a part, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the scheme drawing of arranging according to the supporting leg master cock in the correlation technique;
Fig. 2 is the scheme drawing according to the panel of the supporting leg controller of the control line traffic control in the correlation technique;
Fig. 3 is the block diagram according to the groundwork of the construction machinery and equipment supporting leg control of the utility model embodiment;
Fig. 4 is the scheme drawing according to the major part annexation of the construction machinery and equipment supporting leg control of the utility model embodiment;
Fig. 5 is the scheme drawing according to the remote-control box guidance panel of the utility model embodiment;
Fig. 6 is the scheme drawing according to the guidance panel of the manual-operated emergent box of present embodiment.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the utility model.
Fig. 3 is the block diagram according to the groundwork of the construction machinery and equipment supporting leg control of the utility model embodiment.As shown in Figure 3, receiver of remote-control sytem 2 receives the control signal of remote control transmitter 1, inputs to chassis supporting leg control unit 35, thereby supporting leg actuating unit 6 is carried out relevant supporting leg action according to the control program of chassis supporting leg control unit 35.Manual-operated emergent control capsule 10 is as satisfying emergent use the under the situation that remote control transmitter do not have electricity or damage, and obliquity sensor 4 is established as vehicle leveling and the horizontal situation of monitoring vehicle.Promising anti-empty leg and be provided with supporting leg pressure-detecting device 9 and put in place and stop to move the supporting leg that is provided with in addition to level detecting apparatus 12 for detecting the supporting leg action.
Fig. 4 is the scheme drawing according to the major part annexation of the construction machinery and equipment supporting leg control of the utility model embodiment.The construction machinery and equipment supporting leg control system of the utility model embodiment comprises remote control transmitter 1, receiver of remote-control sytem 2 and the supporting leg control unit 5 among Fig. 4 basically.Remote control transmitter 1 is used to launch remote signal; Receiver of remote-control sytem 2 is connected with wireless mode with remote control transmitter 1, is used to receive remote signal and forwarding; Supporting leg control unit 5 is connected with receiver of remote-control sytem 2, is used to receive the remote signal that receiver of remote-control sytem 2 is transmitted, and according to this remote signal the supporting leg of construction machinery and equipment is controlled.Other selectable unit (SU)s of construction machinery and equipment supporting leg control system have been shown among Fig. 4, and the chassis supporting leg control unit among Fig. 3 specifically is to have comprised chassis control unit 3 and supporting leg control unit 5 in Fig. 4.Below in conjunction with Fig. 4 to the construction machinery and equipment supporting leg control system of present embodiment casehistory in addition.
Receiver of remote-control sytem 2 is connected with supporting leg control unit 5, obliquity sensor 4, chassis control unit 3 through the CAN bus.Supporting leg control unit 5 specifically can adopt programmable logic controller (PLC) (PLC) to realize.When receiving the wireless remote control signal that remote control transmitter 1 sends to, receiver of remote-control sytem 2 (as stretches/contracts vertical leg; Or stretch/contract horizontal leg; Or stretch/contract swinging kick etc.); Carry out serial communication through CAN bus and supporting leg control unit 5, the internal processes of supporting leg control unit 5 is according to the control signal control supporting leg actuating unit of remote control transmitter 1---and specifically be exemplified as electromagnetic valve 6 among the figure, it is flexible to carry out corresponding supporting leg.
When receiver of remote-control sytem 2 receives the wireless remote control signal that remote control transmitter 1 sends to (like starting, flame-out, throttle etc.); Carry out serial communication through CAN bus and chassis control unit 3, the internal processes of chassis control unit 3 is according to starting, the flame-out and open out of the control signal control engine in situ of remote control transmitter 1.Chassis control unit 3 can adopt PLC to realize equally.
The supporting leg pressure-detecting device specifically can be the back-pressure detecting unit, and supporting leg specifically can be the travel switch that puts in place to level detecting apparatus.As shown in Figure 4, supporting leg control unit 5 is gathered the vertical leg back-pressure signal of back-pressure detecting unit 9 through its IO mouth and is gathered the flexible supporting leg that detects the travel switch 12 that puts in place of the supporting leg signal that puts in place; And the dip angle signal of the obliquity sensor 4 that receives through the CAN1 mouth of supporting leg control unit 5.Compare very for a short time in when lifting with the pressure of other leg when the back-pressure of a certain leg, explain that this leg is not stressed, be in empty leg state; Or the dip angle signal that receives from the CAN1 mouth surpasses setting value; At this moment excessive these two signals that possibly cause slide-out of empty leg and inclination angle that will receive of supporting leg control unit 5, the one, report to the police by alarm unit 7 (indicator lamp or thumper) through mouth; The 2nd, send to the PLC control unit 8 of getting on the bus through CAN2, PLC get on the bus and take appropriate measures after control unit 8 is received this signal (shut down or to secure side to operation).Double-shaft tilt angle can be adopted in above-mentioned inclination angle in the present embodiment, and promptly the X axle is meant the angle of travel direction and horizontal surface, and the Y axle is the angle of left and right directions and horizontal surface.Also can adopt the mode at other measurement vehicle inclination angles in the prior art.
When supporting leg control unit 5 receives the on-off signal of remote control/line traffic control select switch 11 (this switch be contained in the operator's compartment of chassis on the instrument desk) through its IO mouth; The supporting leg master mode switches to the line traffic control pattern of manual-operated emergent control capsule 10, to satisfy emergent use the under the situation that remote control equipment (RCE) do not have electricity or damage.
Adopt remote operated mode to carry out supporting leg control in the present embodiment, have following advantage:
1. construction machinery and equipment such as car hosit, aerial platform needs closely in when construction that underloading moves; Because dismounting trouble, and consuming timely indulge in the worker, product is had to be designed with band and is carried and go; So must have band to carry the revenue and expenditure leg, remote manipulation lets the operator that safety assurance has been arranged at a distance.
2. main equipment is because overweight, and supporting leg is designed to detachable, and remote control equipment (RCE) can be carried, and handled easily reduces labour intensity.
Remote control transmitter can be arranged in the remote-control box.Fig. 5 is the scheme drawing according to the remote-control box guidance panel of the utility model embodiment.Explain below in conjunction with Fig. 5.
On remote-control box, open earlier key switch 505; Select five bit patterns to select level or vertical or these three kinds of any patterns of swinging kick of rotor switch 509, stir three toggle switchs 507 of right back supporting leg control, three toggle switchs 508 of right front supporting leg control, three toggle switchs 510 of left back supporting leg control, three toggle switchs 511 of left front supporting leg control, three toggle switchs 512 of all supporting legs controls more up and down and control level or the vertical or swaying legs action of right back, right front, left back, left front, all supporting legs (annotating :) respectively when the supporting leg control unit 9 of Fig. 4 receives that from the CAN bus vertical leg could be withdrawn after five supporting legs of chassis control unit 3 are reduced to a signal; When selecting five bit patterns to select five supporting leg patterns of rotor switch 509, stir flexible (the annotating: just can stretch out five supporting legs after having only the supporting leg control unit 9 of Fig. 4 to receive the back-pressure of four vertical legs) of three toggle switch 506 may command five supporting legs of five supporting legs control more up and down; When the pattern of the chassis of selection five bit patterns selection rotor switch 509, carry/put three toggle switchs 506 when the operation chassis and can carry/put the chassis, can the start/shutdown engine in situ when three toggle switchs 512 of operation chassis start/shutdown.As long as open key switch 505, no matter under any pattern, three knobs 501 of operation throttle/leveling, emergency stop switch 503, horn punch 504 all can have corresponding action, and read-out 502 all has monitoring always.
The remote controller of selecting for use has the feedback Presentation Function, and read-out 502 can be monitored the back-pressure (force value that shows each leg) of the vertical leg of leg system and the levelness (the inclination angle value that shows X axle and Y axle) of monitoring car load behind the key switch of opening remote-control box 505.Press emergency stop switch 503, whole leg system quits work.When opening key switch 505, no matter under any pattern, three knobs 501 of throttle/leveling are screwed into the right side, can carry out leveling to car load.
Manual-operated emergent control capsule 10 among Fig. 4 can be arranged in the manual-operated emergent box, and Fig. 6 is the scheme drawing according to the guidance panel of the manual-operated emergent box of present embodiment.The manual-operated emergent box is provided with following function:
When receiving remote control/line traffic control select switch 11 through its IO mouth, supporting leg control unit 5 (is shown among Fig. 4; This switch can be contained in the operator's compartment of chassis on the instrument desk) on-off signal; The supporting leg master mode switches to the line traffic control pattern of manual-operated emergent control capsule 10, to satisfy emergent use the under the situation that remote-control box do not have electricity or damage.
On the manual-operated emergent box; Just be provided with the fundamental operation of supporting leg; Elder generation's preference pattern: three select switches 65 are opened/are regained in left front/three select switches 62 of right front supporting leg or left back/three select switches 63 of right back supporting leg or two select switches 64 of five supporting legs or swinging kick, carry out corresponding action by flexible four button switchs 61 of horizontal/vertical supporting leg again.
Adopt the technical scheme of present embodiment, can obtain following beneficial effect:
1, construction machinery and equipment such as car hosit, aerial platform needs closely in when construction that underloading moves; Because dismounting trouble, and consuming timely indulge in the worker, product is had to be designed with band and is carried and go; So must have band to carry the revenue and expenditure leg, remote manipulation lets the operator that safety assurance has been arranged at a distance.
2, main equipment is because overweight, and supporting leg is designed to detachable, and remote control equipment (RCE) can be carried, and handled easily reduces labour intensity.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. the control system of a supporting leg type construction machinery and equipment is characterized in that, comprising:
Remote control transmitter is used to launch remote signal;
Receiver of remote-control sytem is connected with wireless mode with said remote control transmitter, is used to receive said remote signal and forwarding;
The supporting leg control unit is connected with said receiver of remote-control sytem, is used to receive the remote signal that said receiver of remote-control sytem is transmitted, and according to this remote signal the supporting leg of said construction machinery and equipment is controlled.
2. control system according to claim 1 is characterized in that, said supporting leg control unit and said receiver of remote-control sytem are through the total wire joint of CAN.
3. control system according to claim 1 is characterized in that, said supporting leg control unit comprises programmable logic controller (PLC).
4. control system according to claim 1 is characterized in that, said control system comprises also and said receiver of remote-control sytem bonded assembly chassis control unit that said chassis control unit is used to control engine in situ.
5. control system according to claim 4 is characterized in that, said chassis control unit comprises programmable logic controller (PLC).
6. control system according to claim 4 is characterized in that, said receiver of remote-control sytem and said chassis control unit are through the total wire joint of CAN.
7. control system according to claim 1 is characterized in that, also comprises:
Remote control/line traffic control select switch is connected with said supporting leg control unit, is used to send remote control and selects signal or line traffic control to select signal;
The manual-operated emergent control setup is connected with said supporting leg control unit, is used for having sent line traffic control at said remote control/line traffic control select switch and selects to transmit control signal to said supporting leg control unit under the situation of signal.
8. control system according to claim 1 is characterized in that,
Said control system comprises also and said supporting leg control unit bonded assembly obliquity sensor that said obliquity sensor is used to detect the inclination angle of said construction machinery and equipment;
Comprise treater in the said supporting leg control unit, this treater is used for judging according to said remote signal and said inclination angle, when confirming to control said supporting leg and will cause said inclination angle greater than preset value according to said remote signal, and the output information.
9. control system according to claim 8; It is characterized in that; Said control system also comprises and the said supporting leg control unit bonded assembly control unit of getting on the bus, and is used to receive said information, and according to this information control that getting on the bus of said construction machinery and equipment shut down or to secure side to operation.
10. control system according to claim 1 is characterized in that,
Said control system also comprises and said supporting leg control unit bonded assembly back-pressure detecting unit, and said back-pressure detecting unit is used to detect the back-pressure of each bar supporting leg of said construction machinery and equipment, and the information of said back-pressure is sent to said supporting leg control unit;
Comprise treater in the said supporting leg control unit, this treater is used for having judged whether that according to the information of said back-pressure a supporting leg is not stressed, and the output judged result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204488656U CN202322060U (en) | 2011-11-14 | 2011-11-14 | Control system of leg-support engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204488656U CN202322060U (en) | 2011-11-14 | 2011-11-14 | Control system of leg-support engineering machinery |
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| CN202322060U true CN202322060U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011204488656U Expired - Lifetime CN202322060U (en) | 2011-11-14 | 2011-11-14 | Control system of leg-support engineering machinery |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102880145A (en) * | 2012-09-28 | 2013-01-16 | 三一重工股份有限公司 | Leg control system and engineering machine |
| CN103896157A (en) * | 2013-12-30 | 2014-07-02 | 徐州徐工随车起重机有限公司 | Synchronous control system and method of side crane |
| CN103909802A (en) * | 2013-12-24 | 2014-07-09 | 威海广泰空港设备股份有限公司 | Device and method for automatically and horizontally adjusting passenger step platform |
| CN104355236A (en) * | 2014-10-31 | 2015-02-18 | 湖南百特随车起重机有限公司 | Composite vehicle-mounted remote-control system for crane |
| CN104597915A (en) * | 2013-10-30 | 2015-05-06 | 上海直川电子科技有限公司 | Integrated automatic leveling control device |
| CN105152044A (en) * | 2015-08-26 | 2015-12-16 | 徐州重型机械有限公司 | Crane and operation method and system for supporting legs of crane |
| CN105293286A (en) * | 2015-10-14 | 2016-02-03 | 徐州重型机械有限公司 | Wireless remote control device and crane supporting leg control system and method |
| CN105384071A (en) * | 2015-12-29 | 2016-03-09 | 中联重科股份有限公司 | Assembly and disassembly equipment of engineering vehicle as well as control method and device of assembly and disassembly equipment |
| CN105934403A (en) * | 2014-01-27 | 2016-09-07 | 沃尔沃建造设备有限公司 | Outrigger and dozer control using gui |
| CN108046134A (en) * | 2017-12-07 | 2018-05-18 | 石宏杰 | The control method and control device that a kind of preventing engineering machinery is tumbled |
| CN108408613A (en) * | 2018-03-12 | 2018-08-17 | 徐州徐工随车起重机有限公司 | A kind of protection of lorry-mounted crane transport vehicle all-position safety and remote diagnosis repair system |
| CN109733989A (en) * | 2018-12-27 | 2019-05-10 | 郑州新大方重工科技有限公司 | A kind of electrical system and method controlled for crane-suspended, leg system combination |
| CN110950248A (en) * | 2019-12-30 | 2020-04-03 | 江苏徐工信息技术股份有限公司 | Crane supporting leg control system and method based on mobile phone APP and Bluetooth technology |
| CN113086908A (en) * | 2021-04-23 | 2021-07-09 | 湖南星邦智能装备股份有限公司 | High-altitude operation car control system and high-altitude operation car |
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2011
- 2011-11-14 CN CN2011204488656U patent/CN202322060U/en not_active Expired - Lifetime
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102880145A (en) * | 2012-09-28 | 2013-01-16 | 三一重工股份有限公司 | Leg control system and engineering machine |
| CN102880145B (en) * | 2012-09-28 | 2016-02-03 | 三一汽车制造有限公司 | leg control system and engineering machinery |
| CN104597915A (en) * | 2013-10-30 | 2015-05-06 | 上海直川电子科技有限公司 | Integrated automatic leveling control device |
| CN103909802A (en) * | 2013-12-24 | 2014-07-09 | 威海广泰空港设备股份有限公司 | Device and method for automatically and horizontally adjusting passenger step platform |
| CN103909802B (en) * | 2013-12-24 | 2016-01-27 | 威海广泰空港设备股份有限公司 | Ladder vehicle platform automatic level regulator |
| CN103896157A (en) * | 2013-12-30 | 2014-07-02 | 徐州徐工随车起重机有限公司 | Synchronous control system and method of side crane |
| CN103896157B (en) * | 2013-12-30 | 2016-04-20 | 徐州徐工随车起重机有限公司 | Side crane synchronous control system and method |
| EP3100972A4 (en) * | 2014-01-27 | 2017-10-18 | Volvo Construction Equipment AB | Outrigger and dozer control using gui |
| CN105934403A (en) * | 2014-01-27 | 2016-09-07 | 沃尔沃建造设备有限公司 | Outrigger and dozer control using gui |
| CN104355236B (en) * | 2014-10-31 | 2016-06-29 | 湖南百特随车起重机有限公司 | Compound lorry-mounted crane remote control system |
| CN104355236A (en) * | 2014-10-31 | 2015-02-18 | 湖南百特随车起重机有限公司 | Composite vehicle-mounted remote-control system for crane |
| CN105152044A (en) * | 2015-08-26 | 2015-12-16 | 徐州重型机械有限公司 | Crane and operation method and system for supporting legs of crane |
| CN105152044B (en) * | 2015-08-26 | 2018-02-13 | 徐州重型机械有限公司 | Crane and its supporting leg method of operating and system |
| CN105293286B (en) * | 2015-10-14 | 2017-09-19 | 徐州重型机械有限公司 | Remote heating control center device, crane support control system and method |
| CN105293286A (en) * | 2015-10-14 | 2016-02-03 | 徐州重型机械有限公司 | Wireless remote control device and crane supporting leg control system and method |
| CN105384071A (en) * | 2015-12-29 | 2016-03-09 | 中联重科股份有限公司 | Assembly and disassembly equipment of engineering vehicle as well as control method and device of assembly and disassembly equipment |
| CN108046134A (en) * | 2017-12-07 | 2018-05-18 | 石宏杰 | The control method and control device that a kind of preventing engineering machinery is tumbled |
| CN108408613A (en) * | 2018-03-12 | 2018-08-17 | 徐州徐工随车起重机有限公司 | A kind of protection of lorry-mounted crane transport vehicle all-position safety and remote diagnosis repair system |
| CN109733989A (en) * | 2018-12-27 | 2019-05-10 | 郑州新大方重工科技有限公司 | A kind of electrical system and method controlled for crane-suspended, leg system combination |
| CN110950248A (en) * | 2019-12-30 | 2020-04-03 | 江苏徐工信息技术股份有限公司 | Crane supporting leg control system and method based on mobile phone APP and Bluetooth technology |
| CN113086908A (en) * | 2021-04-23 | 2021-07-09 | 湖南星邦智能装备股份有限公司 | High-altitude operation car control system and high-altitude operation car |
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Granted publication date: 20120711 |