CN201980874U - Crane monitoring system and crane - Google Patents
Crane monitoring system and crane Download PDFInfo
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- CN201980874U CN201980874U CN2010206969730U CN201020696973U CN201980874U CN 201980874 U CN201980874 U CN 201980874U CN 2010206969730 U CN2010206969730 U CN 2010206969730U CN 201020696973 U CN201020696973 U CN 201020696973U CN 201980874 U CN201980874 U CN 201980874U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 53
- 238000012806 monitoring device Methods 0.000 claims abstract description 28
- 238000004891 communication Methods 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 42
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
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- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
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Abstract
The utility model provides a crane monitoring system and a crane comprising the crane monitoring system. The utility model generally relates to the monitoring field of engineering equipment. The crane monitoring system comprises a chassis monitoring device, a chassis power supply device, an upper crane monitoring device, an upper crane power supply device and a switching device, wherein the chassis monitoring device comprises a plurality of sensors; the chassis power supply device is used for supplying power to the chassis monitoring device, the upper crane monitoring device is mounted at the upper portion of a crane, and is connected with the chassis monitoring device through a communication bus; the upper crane power supply device is used for supplying power to the upper crane monitoring device, the switching device is provided with a first terminal connected with the power supply terminal of the chassis monitoring device, a second terminal connected with the chassis power supply device and a third terminal connected with the upper crane power supply device, and the crane monitoring system further provides a change-over switch which can selectively connect the first terminal with the second terminal and connect the first terminal with the third terminal. The crane monitoring system can obtain the status information of a crane chassis in real time in the whole operation process of the crane, and can monitor the operation status of the crane chassis in real time.
Description
Technical field
The utility model relates to the monitoring field of engineering equipment, the hoisting crane that is specifically related to the hoisting crane monitoring system and comprises this monitoring system.
Background technology
Known hoister in large tonnage is divided into gets on the bus and the chassis two large divisions, gets on the bus to be connected by slewing supporting device with the chassis is middle, gets on the bus and can turn round operation on slewing supporting device as total support structure of hoisting crane in the chassis.In the present crane system, get on the bus and the chassis is furnished with independent engine system, monitored control system separately, independently finish associative operation separately thus, get on the bus and chassis monitored control system separately between do not set up communication connection, two monitored control systems work alone.In this arrangement, usually, the advanced line operate in chassis stretches out the chassis supporting leg, by chassis control system leveling vehicle frame, and the lifting operation of getting on the bus again subsequently.When getting on the bus lifting operation, can only learn to the real time information of chassis supporting leg, vehicle frame during lifting that in case that the operator estimates is wrong, hoisting crane just might cause the unbalance car load that causes of vehicle frame to be tumbled because of support bearing is inhomogeneous according to operator's experience range estimation.And, rely on the supporting leg of range estimation acquisition, the real time information of vehicle frame can not be transferred to crane operation personnel place at once, this makes and can't in time adjust the hoisting crane supporting leg.
The utility model content
The monitoring system that the purpose of this utility model provides a kind of hoisting crane comprises the hoisting crane of this monitoring system, this checking system can all obtain the status information on hoisting crane chassis in real time in the whole operation process of hoisting crane, monitor the serviceability on hoisting crane chassis in real time.
At above-mentioned purpose, provide a kind of monitoring system of hoisting crane according to first aspect of the present utility model, it comprises: the chassis control monitor unit, be mounted to hoisting crane, the chassis monitoring device comprises the operation of a plurality of sensors with the monitoring chassis; The chassis electric supply installation links to each other with the chassis control monitor unit, and is the power supply of chassis control monitor unit; The control monitor unit of getting on the bus is mounted to hoisting crane, and links to each other with the chassis control monitor unit by communication bus; The electric supply installation of getting on the bus links to each other with the control monitor unit of getting on the bus, and is the control monitor unit power supply of getting on the bus; And shifter, with being connected in series of chassis control monitor unit, the 3rd terminal that shifter has the first terminal that links to each other with the power end of chassis control monitor unit, second terminal that links to each other with the chassis electric supply installation and links to each other with the electric supply installation of getting on the bus, shifter have can optionally connect the first terminal with second terminal and be connected the first terminal and the change-over switch of the 3rd terminal.
Further, hoisting crane monitoring system according to first aspect of the utility model, wherein, shifter is a relay, the common of relay is as the first terminal, the open contact of relay is as second terminal, and the normally closed contact of relay is as the 3rd terminal, and the switch in the relay is as change-over switch.
Further, hoisting crane monitoring system according to first aspect of the utility model, wherein, communication bus comprises first section that is connected in the chassis control monitor unit and second section that is connected in the control monitor unit of getting on the bus, and first section links to each other by rotary connector with second section.
Further, according to the hoisting crane monitoring system of first aspect of the utility model, wherein, rotary connector is the sliding ring connector that is installed on the slewing supporting device of hoisting crane.
Further, according to the hoisting crane monitoring system of first aspect of the utility model, wherein, the normally closed contact of relay links to each other with the electric supply installation of getting on the bus via rotary connector.
Further, according to the hoisting crane monitoring system of first aspect of the utility model, wherein, the mouth of the control monitor unit of getting on the bus is connected with indicating device and warning device.
Further, hoisting crane monitoring system according to first aspect of the utility model, wherein, be serially connected with first safety device between the common of relay and the chassis storage battery, be serially connected with second safety device between the open contact of relay and the chassis electric supply installation, the normally closed contact of relay and get on the bus and be serially connected with the 3rd safety device between the electric supply installation.
Further, hoisting crane monitoring system according to first aspect of the utility model, wherein, a plurality of sensors (R1, R2 ..., Rn) comprise the supporting leg pressure that is used for the sensing hoisting crane sensor, be used for the sensing hoisting crane the supporting leg extended configuration sensor and be used for the sensor at sensing crane frame inclination angle.
Further, according to the hoisting crane monitoring system of first aspect of the utility model, wherein, the chassis control monitor unit and/or the control monitor unit of getting on the bus have the external control port that is used to insert the external control device.
Provide a kind of hoisting crane according to second aspect of the present utility model, it comprises the monitoring system according to the utility model first aspect that is installed in this hoisting crane.
The utlity model has following technique effect:
The monitoring system of hoisting crane of the present utility model is passed to the operating personal place in real time by the serviceability that suitable communicator will be used for the chassis, and comprise suitable shifter, make it possible under the situation of chassis electric supply installation outage, electric supply installation is powered to the chassis monitoring device by getting on the bus, and obtain the status information on chassis in real time, thereby in the whole operation process of hoisting crane, can both implement monitoring to the status information on chassis, thereby avoided can not the chassis in time being adjusted owing to can not obtain the chassis status information timely and accurately, and the hoisting crane overthrow accident that causes.
And, link to each other by middle turning gear between the control monitor unit with getting on the bus according to the chassis control monitor unit of hoisting crane monitoring system of the present utility model, avoided thus in the revolution operation of getting on the bus, the winding coil buckling takes place with the data line between the control monitor unit of getting on the bus and the problem damaged in the chassis control monitor unit.
In addition, the chassis control monitor unit of hoisting crane monitoring system of the present utility model connects the sensor of a plurality of suitable types, thereby the various states parameter on chassis is monitored, and comprises supporting leg pressure, supporting leg extended configuration, frame rake angle etc.
Should be appreciated that above generality is described and the following detailed description is all enumerated and illustrative, purpose is in order to provide further instruction to claimed the utility model.
Description of drawings
Accompanying drawing constitutes the part of this specification sheets, is used to help further understand the utility model.These accompanying drawings illustrate embodiment more of the present utility model, and are used for illustrating principle of the present utility model with specification sheets.Identical in the accompanying drawings parts are represented with identical label.In the accompanying drawing:
Fig. 1 shows the chassis control monitor unit of the hoisting crane that uses in the prior art; And
Fig. 2 shows the monitoring system according to the hoisting crane of the utility model preferred implementation.
The specific embodiment
Below in conjunction with illustrative examples and with reference to accompanying drawing the specific embodiment of the present utility model is described.
For those skilled in the art understand advantage of the present utility model and beneficial effect better, below will be at first with reference to Fig. 1 being described to hoisting crane monitoring system commonly used in the prior art.
As shown in fig. 1, lifting monitoring system of the prior art mainly comprises get on the bus monitoring device 12 and chassis monitoring device 13, link to each other by communication bus 16 between them, and be provided with separately electric supply installation G1, G2, four sensor R1, R2, R3 and R4 have been connected on the chassis monitoring device 13, be used to detect the pressure of chassis supporting leg, be connected with a plurality of indicator lamps 15 on the monitoring device 12 of getting on the bus.Can see significantly, the operation of monitoring device 12 and chassis monitoring device 13 of getting on the bus is independent of each other, after monitoring device 13 operations in chassis are finished, the electric supply installation G2 of chassis monitoring device 13 is outage just, at this moment, can only monitor the chassis state by range estimation, and the operation information that range estimation obtains also can't pass to the monitoring device 12 of getting on the bus effectively.
Hoisting crane monitoring system according to an embodiment of the utility model has been shown among Fig. 2, it comprises: chassis control monitor unit 1 (being a bus controller shown in Fig. 2), preferably, it generally is mounted to the chassis (not shown) of hoisting crane, be connected with on this chassis monitoring device 1 a plurality of sensor R1, R2 ..., Rn, with the monitoring chassis operation; Chassis electric supply installation 2, it links to each other with chassis control monitor unit 1, particularly, can link to each other with its power end 1a, thereby be 1 power supply of chassis control monitor unit; The control monitor unit 8 (being a bus telltale shown in the figure) of getting on the bus, preferably, it generally is mounted to the (not shown) of getting on the bus of hoisting crane, and links to each other with chassis control monitor unit 1 by communication bus 4; The electric supply installation 6 of getting on the bus links to each other with the control monitor unit 8 of getting on the bus, and particularly, can directly link to each other with its power end 8a, so that be control monitor unit 8 power supplies of getting on the bus; And shifter 3, this shifter 3 is connected in series with chassis control monitor unit 1, and the 3rd terminal 3c that shifter 3 has the first terminal 3a that links to each other with the power end 1a of chassis control monitor unit 1, the second terminal 3b that links to each other with chassis electric supply installation 2 and links to each other with the electric supply installation 6 of getting on the bus, and shifter 3 has and can optionally connect above-mentioned the first terminal 3a with the second terminal 3b and be connected the first terminal 3a and the change-over switch 3d of the 3rd terminal 3c.
The above-mentioned essential structure mode that is according to hoisting crane monitoring system of the present utility model, by this hoisting crane monitoring system, the dynamical parameter that can effectively the chassis be operated is passed to monitoring device 8 places of getting on the bus in real time, and owing in system, increased shifter 3, blocked operation by shifter 3, make under the situation of chassis electric supply installation 2 outages, can be by the electric supply installation 6 of getting on the bus to 1 power supply of chassis control monitor unit, thereby guarantee in the engineering of the chassis operation and the operation of getting on the bus, the dynamical parameter on chassis can both be passed to monitoring device 8 places of getting on the bus in real time, replaced the mode of range estimation monitoring in the prior art, and can carry out follow-up control operation in time according to the status information that transmits from chassis monitoring device 8.The concrete mode of operation of above-mentioned monitoring system will be described in more detail below.
In embodiment shown in Figure 2, shifter 3 can be relay.In Fig. 2, the power end 1a of the common of relay 3 (the first terminal) 3a and chassis control monitor unit 1 (for example, be the cathode power supply end of chassis monitoring device 1 shown in Fig. 2) link to each other, the open contact of relay 3 (second terminal) 3b links to each other with chassis electric supply installation 2, the normally closed contact of relay 3 (the 3rd terminal) 3c links to each other with the electric supply installation 6 of getting on the bus, and change-over switch 3d optionally switches between open contact 3b and normally closed contact 3c.And, for relay, comprising trigger module 3e can trigger the action of change-over switch 3d.The two ends of above-mentioned trigger module 3e are connected with the positive and negative electrode of chassis electric supply installation 2 respectively, form the serial connection loop thus.Principle of work according to relay, under the situation of switch S 1 closure, the trigger module 3e that continues gets electric, thereby generates an electromagnetic field, change-over switch 3d is switched to the open contact 3b of relay 3 link to each other, thereby make chassis electric supply installation 2 constitute the loop that is connected in series that is communicated with chassis monitoring device 1.Under switch S 1 open circuited situation, the trigger module 3e dead electricity that continues, this moment, change-over switch 3d returned back to normally closed contact 3c place, and chassis monitoring device 1 is connected to the electric supply installation 6 of getting on the bus, and relies on electric supply installation 6 power supplies of getting on the bus.
In other embodiment, shifter also can adopt contactless switch, perhaps adopts the relay of other non-automatically controlled types, for example light-operated, pressure controlled relay.And, except above-mentioned contactless switch, relay, also can design special commutation circuit, to construct above-mentioned shifter 3.
Preferably, as shown in Figure 2, above-mentioned the chassis electric supply installation 2 and the electric supply installation 6 of getting on the bus can be storage battery.Certainly, other electric supply installation also is fine, for example battery pack, external source etc.Advantageously, get on the bus control monitor unit 8, the electric supply installation 6 of getting on the bus all is installed in (not shown) in the control cabin of getting on the bus.In addition, be provided with switch S 1 between the public electric shock 3a of chassis electric supply installation 2 and relay 3, get on the bus electric supply installation 6 and get on the bus and be provided with switch S 2 between the control monitor unit 8, so that switch the operation of the different parts of hoisting crane, its concrete occupation mode will be described below.
Further, as shown in Figure 2, this hoisting crane monitoring system also comprises single-revolution adaptor union 5, and it is used for connecting communication bus 4 neatly, and it is stubborn to make that communication bus 4 can not stir along with the revolution operation of getting on the bus, even twists off.Particularly, communication bus 4 comprises first section 41 that is connected in chassis control monitor unit 1 and second section 42 that is connected in the control monitor unit 8 of getting on the bus, and first section 41 links to each other by rotary connector 5 with second section 42.Thus, when turning round operation when getting on the bus, rotary connector 5 can turn round thereupon, thereby first section 41 of the feasible communication bus 4 that is attached thereto and second section 42 can and coil buckling not take place along with the revolution operation of getting on the bus, thereby avoids communication bus 4 to damage because of twisting into two parts.Particularly, above-mentioned rotary connector 5 can be a sliding ring connector, and preferably, it is directly installed on the slewing supporting device (not shown) of hoisting crane.Because sliding ring connector is a kind of device with revolution connection and communication function commonly used, for succinct purpose, this has just no longer given unnecessary details its structure and principle of work again.
Preferably, in the hoisting crane monitoring system shown in Fig. 2, the normally closed contact 3c of relay 3 links to each other with the electric supply installation 6 of getting on the bus via rotary connector 5.This connection mode helps the coil buckling avoiding relay 3 and get on the bus the connection lead between the electric supply installation 6 equally.
And then the mouth of the control monitor unit 8 of getting on the bus is connected with a plurality of indicating devices 9 (being indicator lamp shown in the figure) and warning device 7 (for example buzzer phone).Similar with prior art, above-mentioned indicating device 9 and warning device 7 are used to indicate the different operating state of getting on the bus and report to the police when receiving the improper dynamical parameter information on chassis.
Further, in order to ensure the safety of this hoisting crane monitoring system, suitable safety device is set therein.As shown in Figure 2, be serially connected with the first safety device F1 between the common 3a of relay 3 and the chassis storage battery; Be serially connected with the second safety device F2 between the open contact 3b of relay 3 and the chassis electric supply installation 2; The normally closed contact 3c of relay 3 and get on the bus and be serially connected with the 3rd safety device F3 between the electric supply installation 6.
Particularly, according to the present invention, above-mentioned sensor R1, R2 ..., be used to detect the sensor of chassis supporting leg pressure except comprising among the Rn, the sensor that can also comprise the sensor that is used to detect the supporting leg extended configuration, is used to detect frame rake angle (for example, can adopts pressure sensor, vibration sensor, opto-electronic pickup etc.) etc., thereby can monitor a plurality of dynamical parameteies on chassis, thereby can more comprehensively detect the chassis, can control more effectively the chassis thus.Particularly,, can avoid the hydraulic efficiency pressure system overload, guarantee safe operation by detecting the pressure of supporting leg; The extended configuration by detecting supporting leg and the inclination angle of vehicle frame can find whether the chassis of hoisting crane is stable, and whether the action of getting on the bus safety, avoids the vehicle frame overthrow accident thus.
And as expansion, hoisting crane monitoring system of the present utility model can also be provided for inserting the control port of external control device.As shown in Figure 2, chassis control monitor unit 1 is provided with control port I1, on the control monitor unit 8 of getting on the bus control port I2 is set.These external control port I1, I2 can link to each other with exterior bus controller or control module, thereby control the operation of other equipment of hoisting crane via the chassis control monitor unit 1 and/or the control monitor unit 1 of getting on the bus, for example control the elevator operation etc. of flexible, the hoisting crane of arm.
To the mode of operation of the hoisting crane monitoring system shown in Fig. 2 be described below.
When work in the chassis of hoisting crane, switch S 1 closure and switch S 2 disconnect, the trigger module 3e of relay 3 (for example being induction coil), the open contact 3b of relay 3 is closed to be connected, then chassis control monitor unit 1 is powered by chassis electric supply installation 2 by the open contact 3b of relay 3, and finishes the relevant action operation on chassis.When the work of getting on the bus of hoisting crane, the chassis need not to power on, this moment, switch S 2 closures and switch S 1 disconnected, the trigger module 3e dead electricity of relay 3, the open contact 3b of relay 3 disconnects, connect and normally closed contact 3c is closed, this moment, chassis monitoring device 1 was powered by the electric supply installation 6 of getting on the bus by the normally closed contact 3c of relay 3.Thus, no matter be when working on the chassis, still when getting on the bus work, chassis control monitor unit 1 can both obtain electric power supply, thereby can in the whole operation process of hoisting crane, can both detect the dynamical parameter on chassis in real time, and detected dynamical parameter is passed to the control monitor unit 8 of getting on the bus via communication bus 4.When work, by sensor R1, R2 ..., the detected chassis of Rn dynamical parameter (as supporting leg pressure, supporting leg extended configuration, frame rake angle etc.) is input to chassis control monitor unit 1, chassis control monitor unit 1 is converted to digital signal to above-mentioned incoming signal, and then sends above-mentioned dynamical parameter to the control monitor unit 8 of getting on the bus by communication bus 4.The control monitor unit 8 of getting on the bus receives and demonstrates current chassis dynamical parameter, and the control monitor unit 8 of getting on the bus divides tabulation to show the actual value and the safe preset value of dynamical parameter, is convenient to the operator and observes comparison.The internal processes of control monitor unit 8 of getting on the bus is simultaneously relatively judged in real time to actual value and safe preset value, in case the chassis parameter exceeds the safety critical point, then may cause danger, the control monitor unit 8 of getting on the bus is just exported to alerting signal warning devices such as annunciator 7, indicator lamp 9, to realize sound and light alarm, and send alerting signal to external control device (for example going up vehicle controller) by external control port I2, cut off the action of the dangerous direction of getting on the bus immediately, the state of clearing.
In addition, according to principle of the present utility model, also provide a kind of hoisting crane, it comprises above-mentioned according to hoisting crane monitoring system of the present utility model.
Be preferred embodiment of the present utility model only below, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes and variation.All any modifications of within spirit of the present utility model and principle, being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a hoisting crane monitoring system is characterized in that, comprising:
Chassis control monitor unit (1) is mounted to hoisting crane, described chassis monitoring device (1) comprise a plurality of sensors (R1, R2 ..., Rn) to monitor the operation on described chassis;
Chassis electric supply installation (2) links to each other with described chassis control monitor unit (1), and is described chassis control monitor unit (1) power supply;
The control monitor unit (8) of getting on the bus is mounted to hoisting crane, and links to each other with described chassis control monitor unit (1) by communication bus (4);
The electric supply installation (6) of getting on the bus links to each other with the described control monitor unit of getting on the bus (8), and is the described control monitor unit of getting on the bus (8) power supply; And
Shifter (3), be connected in series with described chassis control monitor unit (1), the 3rd terminal (3c) that described shifter (3) has the first terminal (3a) that links to each other with the power end (1a) of described chassis control monitor unit (1), second terminal (3b) that links to each other with described chassis electric supply installation (2) and links to each other with the described electric supply installation of getting on the bus (6), described shifter (3) have can optionally connect described the first terminal (3a) with described second terminal (3b) and be connected described the first terminal (3a) and the change-over switch (3d) of described the 3rd terminal (3c).
2. hoisting crane monitoring system according to claim 1, it is characterized in that, described shifter (3) is a relay, the common of described relay is as described the first terminal (3a), the open contact of described relay is as described second terminal (3b), the normally closed contact of described relay is as described the 3rd terminal (3c), and the switch in the described relay is as described change-over switch (3d).
3. hoisting crane monitoring system according to claim 2, it is characterized in that, described communication bus (4) comprises first section (41) that is connected in described chassis control monitor unit (1) and second section (42) that is connected in the described control monitor unit of getting on the bus (8), and described first section (41) links to each other by rotary connector (5) with described second section (42).
4. hoisting crane monitoring system according to claim 3 is characterized in that, described rotary connector (5) is the sliding ring connector on the slewing supporting device that is installed in described hoisting crane.
5. hoisting crane monitoring system according to claim 3 is characterized in that, the normally closed contact of described relay links to each other with the described electric supply installation of getting on the bus (6) via described rotary connector (5).
6. according to each described hoisting crane monitoring system in the claim 1 to 5, it is characterized in that the mouth of the described control monitor unit of getting on the bus (8) is connected with indicating device (9) and warning device (7).
7. according to each described hoisting crane monitoring system in the claim 1 to 5, it is characterized in that, be serially connected with first safety device (F1) between the common of described relay and the described chassis storage battery, be serially connected with second safety device (F2) between the open contact of described relay and the described chassis electric supply installation, be serially connected with the 3rd safety device (F3) between the normally closed contact of described relay and the described electric supply installation of getting on the bus (6).
8. according to each described hoisting crane monitoring system in the claim 1 to 5, it is characterized in that, described a plurality of sensors (R1, R2 ..., Rn) comprise the supporting leg pressure that is used for the sensing hoisting crane sensor, be used for the sensing hoisting crane the supporting leg extended configuration sensor and be used for the sensor at sensing crane frame inclination angle.
9. according to each described hoisting crane monitoring system in the claim 1 to 5, it is characterized in that described chassis control monitor unit (1) and/or the described control monitor unit of getting on the bus (8) have the external control port (I1, I2) that is used to insert the external control device.
10. a hoisting crane is characterized in that, comprise be installed on the described hoisting crane according to the hoisting crane monitoring system described in each in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206969730U CN201980874U (en) | 2010-12-31 | 2010-12-31 | Crane monitoring system and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206969730U CN201980874U (en) | 2010-12-31 | 2010-12-31 | Crane monitoring system and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201980874U true CN201980874U (en) | 2011-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206969730U Expired - Lifetime CN201980874U (en) | 2010-12-31 | 2010-12-31 | Crane monitoring system and crane |
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| Country | Link |
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| CN (1) | CN201980874U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175572A (en) * | 2011-12-23 | 2013-06-26 | 中联重科股份有限公司 | Concrete pumping equipment state monitoring and fault diagnosis system |
| CN103979414A (en) * | 2014-05-26 | 2014-08-13 | 中联重科股份有限公司 | Vehicle body inclination angle monitoring system, control method, control device and crane |
| CN105883622A (en) * | 2015-01-26 | 2016-08-24 | 徐工集团工程机械股份有限公司 | Rollover control method and system and lorry-mounted crane |
| CN106744315A (en) * | 2016-12-23 | 2017-05-31 | 河南森源重工有限公司 | Electric power system is filled on a kind of small tonnage autocrane of charged handoff functionality |
| CN111409552A (en) * | 2020-02-17 | 2020-07-14 | 中电莱斯信息系统有限公司 | Alarm system for electric leveling of vehicle and vehicle |
-
2010
- 2010-12-31 CN CN2010206969730U patent/CN201980874U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175572A (en) * | 2011-12-23 | 2013-06-26 | 中联重科股份有限公司 | Concrete pumping equipment state monitoring and fault diagnosis system |
| CN103979414A (en) * | 2014-05-26 | 2014-08-13 | 中联重科股份有限公司 | Vehicle body inclination angle monitoring system, control method, control device and crane |
| CN103979414B (en) * | 2014-05-26 | 2016-05-18 | 中联重科股份有限公司 | Vehicle body inclination angle monitoring system, control method, control device and crane |
| CN105883622A (en) * | 2015-01-26 | 2016-08-24 | 徐工集团工程机械股份有限公司 | Rollover control method and system and lorry-mounted crane |
| CN106744315A (en) * | 2016-12-23 | 2017-05-31 | 河南森源重工有限公司 | Electric power system is filled on a kind of small tonnage autocrane of charged handoff functionality |
| CN106744315B (en) * | 2016-12-23 | 2018-07-31 | 河南森源重工有限公司 | Power supply system is filled on a kind of small tonnage autocrane of charged handoff functionality |
| CN111409552A (en) * | 2020-02-17 | 2020-07-14 | 中电莱斯信息系统有限公司 | Alarm system for electric leveling of vehicle and vehicle |
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Address after: 410013 No. 361 South silver basin, Hunan, Changsha Patentee after: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. Address before: 410013 No. 361 South silver basin, Hunan, Changsha Patentee before: CHANGSHA ZOOMLION HEAVY INDUSTRY SCIENCE AND TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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Granted publication date: 20110921 |
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