CN102060236A - Mobile crane and support leg pressure detecting and controlling device thereof - Google Patents
Mobile crane and support leg pressure detecting and controlling device thereof Download PDFInfo
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- CN102060236A CN102060236A CN 201010594445 CN201010594445A CN102060236A CN 102060236 A CN102060236 A CN 102060236A CN 201010594445 CN201010594445 CN 201010594445 CN 201010594445 A CN201010594445 A CN 201010594445A CN 102060236 A CN102060236 A CN 102060236A
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Abstract
The invention discloses a support leg pressure detecting and controlling device comprising a detection part, a controller and an execution part, wherein the detection part is arranged on a support leg and is used for detecting the pressure of the support leg and transmitting a pressure signal; the controller is used for receiving the pressure signal and transmitting a control signal according to the pressure signal; and the execution part is used for controlling a crane to work or stop. According to the support leg pressure detecting and controlling device, the stress of each support leg of the crane during work can be detected and whether the work condition of the each support leg of the crane is safe or not is analyzed according to the stress; when the stressed condition of the support leg is abnormal, the controller transmits the control signal and relevant valves are closed or switches are turned off by the execution part according to the control signal, so that the crane stops working. Therefore, the work safety of a mobile crane is greatly improved and the mobile crane is more reliable. The invention also provides the mobile crane with the support leg pressure detecting and controlling device.
Description
Technical field
The present invention relates to engineering machinery field, particularly relate to a kind of supporting leg pressure detection control setup that is used for movable crane.In addition, the invention still further relates to a kind of movable crane that comprises above-mentioned supporting leg pressure detection control setup.
Background technology
Along with hoisting crane is constantly developing to large-tonnage, super-tonnage, the combination of mechanical, electrical, calculation, liquid makes hoisting crane and conventional hoist only finish single work a great difference, intelligent more, automation become, people's operation is simpler, convenient, but it is complicated more that the thing followed is a The whole control system, also just requires more and more higher at safety, reliability.Product Safety has become the key factor of competition, and the parameter important information also need show constantly at the interface simultaneously, is considering to improve Product Safety and visuality by software programming and hardware layout on cost, the operability on control system.
Accident during crane job is tumbled and is threatened maximum to vehicle and personnel component, it is following several to cause this reason to have: overload causes that structural focus seriously is offset, supporting leg causes that because of letting out in ground problem carrying inequality, the supporting leg inner fluid pressure changes during operation, if untimely discovery of the situation of these unbalance loadings and adjustment will produce huge potential safety hazard to crane job.
In the prior art, pressure detection, processing, demonstration to supporting leg mainly concentrate on whole truck system down, pressure sensor links to each other with support oil cylinder, mouth links to each other with its PLC controller input end, the controller communication ends is connected with telltale, storage battery provides telltale, controller and load required power supply, shows relevant pressure information by telltale.
Prior art is mainly finished by getting off detection, the demonstration of supporting leg pressure.Pressure sensor is installed on the support oil cylinder, and the force value of detection shows in the telltale of getting off.This detecting device is simple in structure, is easy to realize.But, hoisting crane is when operation, the operating personnel can only observe by the telltale in the operator's compartment of getting off, can't clearly know the stressing conditions of each supporting leg at the control cabin of getting on the bus, cause the operating personnel when control cabin is operated, to observe very inconvenient to pressure, even because safety misadventure appears in the untimely judgement that influences the operating personnel of pressure observation.
In addition, the power supply of pressure sensor is provided by the storage battery of getting off, because pressure detection runs through the entire job process, when hoisting crane arrives the predetermined area, get off still needs in the time of can stopping operation to make the storage battery of getting off be in power supply state, consumed power constantly for pressure sensor provides power supply always.
Therefore, how to improve operating personnel's operation ease, the safe reliability when improving crane job, and reduce the energy consumption of hoisting crane on this basis, be the present technical issues that need to address of those skilled in the art.
Summary of the invention
The purpose of this invention is to provide a kind of supporting leg pressure detection control setup that is used for movable crane, this supporting leg pressure detection control setup can observe the pressure condition of each supporting leg by the telltale of getting on the bus, improve operating personnel's work convenience, also improved the safe reliability of operation simultaneously.Another object of the present invention provides a kind of movable crane that comprises above-mentioned supporting leg pressure detection control setup.
For achieving the above object, the invention provides a kind of supporting leg pressure detection control setup, comprising: detection part, be installed on the described supporting leg, detect the pressure of described supporting leg, and send pressure signal; Controller receives described pressure signal, and sends control signal according to described pressure signal; Execution unit is controlled described hoisting crane work or is stopped according to described control signal.
Preferably, the gap of described pressure signal and theoretical pressure value is during less than preset range, described hoisting crane normal operation; Otherwise described controller is controlled described hoisting crane and is quit work.
Preferably, the signal output part of described detection part is connected with the center steering body of described movable crane, and the signal output part of described center steering body is connected with the signal input part of the telltale of getting on the bus of described movable crane.
Preferably, the power lead of described detection part is communicated with the power interface of described center steering body.
Preferably, the concrete PLC controller of described controller.
Preferably, the CAN egress bus end of described controller is communicated with the CAN bus of the described telltale of getting on the bus.
Preferably, described detection part is specially the two wire system sensor, and its power lead connects described center steering body brush, and its signal wire (SW) connects the analog quantity input end of described center steering body.
Preferably, also comprise and described controller signals mouth bonded assembly warning piece.
The present invention also provides a kind of movable crane, comprises at least two supporting legs, comprises that also its detection part is installed on the described supporting leg as above-mentioned each described supporting leg pressure detection control setup.
Preferably, be equipped with described detection part on each described supporting leg, the signal wire (SW) of each detection part is connected with the unlike signal port of the center steering body of described movable crane respectively.
Supporting leg pressure detection control setup provided by the present invention comprises detection part, controller and execution unit.Wherein, detection part is installed on the supporting leg of movable crane, is used to detect the force value of described supporting leg, sends pressure signal simultaneously; Controller is used to receive described pressure signal, and sends control signal according to described pressure signal; Execution unit is controlled described hoisting crane work according to described control signal or is stopped.When movable crane is worked, the hoisting crane overthrow accident is very serious, according to above-mentioned supporting leg pressure detection control setup, can detect the stressed size of each supporting leg when work of hoisting crane, and the working condition safety that analyzes each supporting leg of hoisting crane according to stressed size whether, and unusual when the stressing conditions of supporting leg, controller can send control signal, execution unit will be closed related valve or switch according to control signal, and hoisting crane is quit work.Like this, the job security of movable crane can be greatly improved, and makes movable crane more reliable.
A kind of preferred embodiment in, the signal output part of described detection part is connected with the center steering body of described movable crane, the signal output part of described center steering body is connected with the signal input part of the telltale of getting on the bus of described movable crane.After detection part detects the pressure signal of supporting leg, be sent to the center steering body by signal output part, deliver to the signal input part of the telltale of getting on the bus again through the signal output part of center steering body, telltale demonstrates pressure signal through getting on the bus.Like this, operating personal can directly be seen pressure information by the telltale of getting on the bus getting on the bus when operation, makes the operating personal can be evidence-based at any time when making operation, reduces possibility of the maloperation of operating personal, has improved convenience and safety when operating greatly.
In another preferred embodiment, the power lead of described detection part is communicated with the power interface of described center steering body.The center steering body maintains electric power supply at any time in the movable crane working process, the power lead of detection part is with after the power interface of center steering body is communicated with, can make detection part when movable crane is worked, also maintain electric power supply, like this, getting off when stopping operation of movable crane, the center steering body still can be the detection part power supply, guarantees that detection part still can normal operation.With respect to the powering mode of storage battery in the prior art, supporting leg detecting device provided by the present invention can more be saved electric energy, reduces the energy consumption of movable crane.
On the basis that above-mentioned supporting leg pressure detection control setup is provided, the present invention also provides a kind of movable crane that comprises above-mentioned supporting leg pressure detection control setup; Because supporting leg pressure detection control setup has above-mentioned technique effect, the movable crane with this supporting leg pressure detection control setup also has the corresponding techniques effect.
A kind of preferred embodiment in, be equipped with described detection part on the described supporting leg of each of movable crane, the signal wire (SW) of each detection part is connected with the unlike signal port of the center steering body of described movable crane respectively.The pressure signal of each supporting leg by different signal wire transmits to the telltale of getting on the bus, the pressure information that on the telltale of getting on the bus, shows each supporting leg simultaneously, make operating personal can grasp the pressure condition of each supporting leg simultaneously, and make accurate judgement according to pressure information, further improve the safe reliability of movable crane.Simultaneously, each supporting leg adopts different signal transmission paths, can improve the signal transmitting speed, makes the numerical precision of pressure information higher, and anti-interference resistance is stronger.
Description of drawings
Fig. 1 is the structural representation of a kind of specific embodiment of movable crane provided by the present invention;
Fig. 2 is the control flow chart of a kind of specific embodiment of supporting leg pressure detection control setup provided by the present invention;
Fig. 3 is the control principle figure of a kind of specific embodiment of controller provided by the present invention;
Fig. 4 is the control principle scheme drawing of a kind of specific embodiment of supporting leg pressure detection control setup provided by the present invention.
The specific embodiment
Core of the present invention provides a kind of supporting leg pressure detection control setup that is used for movable crane, this supporting leg pressure detection control setup can observe the pressure condition of each supporting leg by the telltale of getting on the bus, improve operating personnel's work convenience, also improved the safe reliability of operation simultaneously.Another core of the present invention provides a kind of movable crane that comprises above-mentioned supporting leg pressure detection control setup.
Connection as herein described comprises direct connection, also comprises indirect connection.
In order to make those skilled in the art person understand the present invention program better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of specific embodiment of movable crane provided by the present invention.
Movable crane shown in Figure 1 comprises the operator's compartment 1 of getting off, following chassis 2, supporting leg 3, crane arm 4, the operator's compartment 5 of getting on the bus, center steering body 6 and the turntable 7 of getting on the bus.In movable crane when work,, operating personal by control crane jib 4 and other assembly, is realized functions such as lift heavy getting on the bus 5 li of operator's compartmenies.During the movable crane transition, operating personal is operated in the operator's compartment 1 of getting off, and the control movable crane moves.Center steering body 6 is pipeline between hoisting crane gets on and off, circuit bonded assembly device, is installed in down the binding site of the chassis 2 and the turntable 7 of getting on the bus.Have only single driving engine for little tonnage hoisting crane, center steering body 6 provides get on the bus needed propulsion source and circuit by inner different oil circuits and brush, satisfies car load work; For middle hoister in large tonnage, getting on and off respectively has driving engine, and center steering body 6 provides the bonded assembly circuit signal by brush.During 6 work of center steering body, stir shift fork, shell rotates around conductive copper.
Generally speaking, during movable crane work, the telescopic outrigger of its supporting leg 3 stretches out, and makes the bigger span of having of supporting leg 3, and to improve the operational stability of movable crane, this moment, the stressed size of supporting leg 3 was closely related with the safety of movable crane.And movable crane when transition, the telescopic outrigger of supporting leg 3 is regained, and to reduce the width of movable crane, improves the through performance of movable crane, and this moment, supporting leg 3 did not stress, and supporting leg pressure detection control setup can not worked.Therefore, need in time to understand the pressure condition of each supporting leg when working in the movable crane, and in the transition process, can not understand the pressure condition of each supporting leg.
Supporting leg pressure detection control setup provided by the present invention comprises detection part, controller and execution unit.Wherein, detection part is installed on the supporting leg 3 of movable crane, is used to detect the force value of supporting leg 3, sends pressure signal simultaneously; Controller is used to receive pressure signal, and sends control signal according to pressure signal; Execution unit is controlled hoisting crane work according to control signal or is stopped.When movable crane is worked, the hoisting crane overthrow accident is very serious, according to above-mentioned supporting leg pressure detection control setup, can detect the stressed size of each supporting leg 3 when work of hoisting crane, and the working condition safety that analyzes each supporting leg 3 of hoisting crane according to stressed size whether, and unusual when the stressing conditions of supporting leg 3, controller can send control signal, execution unit will be closed related valve or switch according to control signal, and hoisting crane is quit work.Like this, the job security of movable crane can be greatly improved, and the movable crane reliability is significantly improved.
Please refer to Fig. 2 and Fig. 3, Fig. 2 is the control flow chart of a kind of specific embodiment of supporting leg pressure detection control setup provided by the present invention; Fig. 3 is the control principle figure of a kind of specific embodiment of controller provided by the present invention, and direction shown in the arrow is the trend of signal among the figure.
In a kind of concrete embodiment, supporting leg pressure detection control setup provided by the present invention can be by the control of following control flow: the supporting leg force value q of performance table according to degreeof turn, length of boom, amplitude, lift heavy quality, articulate weight mass and calculate and can obtain, this force value can be thought theoretical value; During actual lift heavy, length signals 1, boom angle signal a, turntable degreeof turn signal b, luffing pressure signal f, supporting leg pressure signal P, wind velocity signal m can record immediately by sensor, articulating counterweight selects according to actual condition, its weight n thinks known, compare, analyze according to the theoretical pressure value of calculating in actual work supporting leg pressure signal of measuring and the performance table this moment, draw control command, the signal A of control telltale and/or Warning light, and, remind operating personal to take suitable measure of control with signal A output; To related valve, the switch output control signal B of hoisting crane, realize control simultaneously to crane operation.
Concrete control and treatment is as follows:
Suppose that the supporting leg pressure of the theory of computation pressure of each operating mode is respectively in the performance parameters table: P in four supporting legs of jenny
1, P
2, P
3, P
4And but the supporting leg authorized pressure is P ∈ [0, σ], and σ is a setting value;
Actual supporting leg 3 pressure that real work records corresponding each operating mode are respectively: P '
1, P '
2, P '
3, P '
4
As 1. P '
1≤ P
1, or P '
1〉=P
1, and | P '
1-P
1|≤P;
P '
2≤ P
2, or P '
2〉=P
2, and | P '
2-P
2|≤P;
P '
3≤ P
3, or P '
3〉=P
3, and | P '
3-P
3|≤P;
P '
4≤ P
4, or P '
4〉=P
4, and | P '
4-P
4|≤P;
During operation, when above-mentioned condition satisfies simultaneously, think that supporting leg 3 pressure are normal, can work.
2. P '
1≤ P
1, or P '
1〉=P
1, and | P '
1-P
1|＞P;
P '
2≤ P
2, or P '
2〉=P
2, and | P '
2-P
2|＞P;
P '
3≤ P
3, or P '
3〉=P
3, and | P '
3-P
3|＞P;
P '
4≤ P
4, or P '
4〉=P
4, and | P '
4-P
4|＞P;
During operation, any one when satisfying of above-mentioned condition is thought supporting leg 3 pressure anomalies, sends warning, terminate job.
In a kind of concrete embodiment, the signal output part of detection part is connected with the center steering body 6 of movable crane, and the signal output part of center steering body 6 is connected with the signal input part of the telltale 51 of getting on the bus of movable crane.After detection part detects the pressure signal of supporting leg 3, be sent to center steering body 6 by signal output part, deliver to the signal input part of the telltale 51 of getting on the bus again through the signal output part of center steering body 6, telltale 51 demonstrates pressure signal through getting on the bus.
Like this, movable crane is in its working process, operating personal can be when getting on the bus operation, directly see pressure information by the telltale 51 of getting on the bus, make operating personal make when operation can be evidence-based at any time, reduce the possibility of the maloperation of operating personal, convenience and safety when having improved operation greatly.
Further, the power lead of detection part is communicated with the power interface of center steering body 6.Center steering body 6 maintains electric power supply at any time in the movable crane working process, the power lead of detection part is with after the power interface of center steering body 6 is communicated with, can make detection part when movable crane is worked, also maintain electric power supply, like this, getting off when stopping operation of movable crane, center steering body 6 still can be the detection part power supply, guarantees that detection part still can normal operation.With respect to the powering mode of storage battery in the prior art, supporting leg detecting device provided by the present invention can more be saved electric energy, reduces the energy consumption of movable crane.
Particularly, supporting leg pressure detection control setup provided by the present invention can also comprise the controller 8 that receives pressure signal, and this controller 8 draws control command with described pressure signal and preset pressure value contrast.Hoisting crane is in operation process, the pressure of its supporting leg can change constantly, relevant with the operating mode at each quarter, as the center of gravity of structure, counterweight amount, lifting altitude, amplitude, degreeof turn, lift heavy amount etc., by calculating the force value that supporting leg 3 need bear under each operating mode, and this force value accumulated parameter list, deposit in the controller 8.The detected supporting leg force value of detection part is compared with the force value in the parameter list, analyze, in the error limit that allows, think normal, otherwise when exceeding allowed band or a certain supporting leg pressure value variation abnormality, controller 8 can send control command, remind operating personal to take corresponding measure, trouble-shooting guarantees that movable crane can trouble free service as early as possible.
In a kind of concrete embodiment, above-mentioned controller 8 can be the PLC controller, and the CAN egress bus end of controller 8 is communicated with the CAN bus of the telltale 51 of getting on the bus, i.e. controller 8 and get on the bus and can pass through the total wire joint of CAN between the telltale 51 is to improve the precision of signal transmission.Obviously, the PLC controller is a kind of of controller 8, utilizes controllers such as micro controller system, computer control unit equally also can play the effect of control pressure signal.Equally, it should be appreciated by those skilled in the art that slave controller except that the CAN bus mode, also can adopt alternate manner to the signal transmission form of the telltale 51 of getting on the bus, and does not repeat them here.
Particularly, above-mentioned detection part can be the two wire system sensor, and its power lead connects the brush of center steering body 6, and its signal wire (SW) connects the analog quantity input end of center steering body 6.Center steering body 6 is powered to pressure sensor by power lead by brush, guarantees that sensor can continuous firing; The analog quantity input end of center steering body 6 is connected with the signal wire (SW) of sensor, the pressure signal that receiving sensor collects.This is simple for structure, and the two wire system sensor is easy to buying, can reduce the purchase cost of movable crane; Adopt the two wire system sensor less simultaneously, help popularization of the present invention the change of existing movable crane.
Further, supporting leg pressure detection control setup provided by the present invention can also comprise the signal output part bonded assembly warning piece with controller 8.Warning piece herein, can be the audible alarm parts, also can be the light warning parts, can be the audible alarm parts and the combining of light warning parts, the pressure that detects supporting leg when supporting leg pressure detection control setup occurs unusually, by the warning piece alert, stops associative operation, and check according to cooresponding situation whether the oil cylinder of supporting leg 3 leaks, and whether ground situations such as sinking occur.
Except above-mentioned supporting leg pressure detection control setup, the present invention also provides a kind of movable crane that comprises above-mentioned supporting leg pressure detection control setup, and detecting device is installed on the supporting leg of movable crane, is used to detect the suffered pressure condition of supporting leg.The structure of these other each several parts of movable crane please refer to prior art, and this paper repeats no more.
Please refer to Fig. 4, Fig. 4 is the control principle scheme drawing of a kind of specific embodiment of supporting leg pressure detection control setup provided by the present invention.
A kind of preferred embodiment in, be equipped with detection part on each supporting leg 3 of movable crane, the signal wire (SW) of each detection part is connected with the unlike signal port of the center steering body 6 of movable crane respectively.In movable crane commonly used, left branch leg 31 before comprising, preceding right supporting leg 32, back left branch leg 33, the right supporting leg 34 in back, equal setting pressure sensor on the oil cylinder of four above-mentioned supporting legs 3, gather the pressure signal of four supporting legs 3 respectively, be transferred to controller 8 by four signal line, through after controller 8 processing pressure signal result being sent to the telltale 51 of getting on the bus, the pressure information that on the telltale 51 of getting on the bus, shows each supporting leg simultaneously, make operating personal can grasp the pressure condition of each supporting leg simultaneously, and make accurate judgement according to pressure information, further improve the safe reliability of movable crane.Simultaneously, each supporting leg adopts different signal transmission paths, can improve the signal transmitting speed, makes the numerical precision of pressure information higher, and anti-interference resistance is stronger.
More than movable crane provided by the present invention and supporting leg pressure detection control setup thereof are described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1. a supporting leg pressure detection control setup is characterized in that, comprising:
Detection part is installed on the described supporting leg, detects the pressure of described supporting leg, and sends pressure signal;
Controller receives described pressure signal, and sends control signal according to described pressure signal;
Execution unit is controlled described hoisting crane work or is stopped according to described control signal.
2. supporting leg pressure detection control setup according to claim 1 is characterized in that, the gap of described pressure signal and theoretical pressure value is during less than preset range, described hoisting crane normal operation; Otherwise described controller is controlled described hoisting crane and is quit work.
3. supporting leg pressure detection control setup according to claim 2, it is characterized in that, the signal output part of described detection part is connected with the center steering body of described movable crane, and the signal output part of described center steering body is connected with the signal input part of the telltale of getting on the bus of described movable crane.
4. supporting leg pressure detection control setup according to claim 3 is characterized in that the power lead of described detection part is communicated with the power interface of described center steering body.
5. supporting leg pressure detection control setup according to claim 4 is characterized in that, the concrete PLC controller of described controller.
6. according to each described supporting leg pressure detection control setup of claim 3 to 5, it is characterized in that the CAN egress bus end of described controller is communicated with the CAN bus of the described telltale of getting on the bus.
7. according to each described supporting leg pressure detection control setup of claim 1 to 5, it is characterized in that, described detection part is specially the two wire system sensor, and its power lead connects described center steering body brush, and its signal wire (SW) connects the analog quantity input end of described center steering body.
8. supporting leg pressure detection control setup according to claim 7 is characterized in that, also comprises and described controller signals mouth bonded assembly warning piece.
9. a movable crane comprises at least two supporting legs, it is characterized in that, comprises that also its detection part is installed on the described supporting leg as each described supporting leg pressure detection control setup of claim 1 to 8.
10. movable crane according to claim 9 is characterized in that, is equipped with described detection part on each described supporting leg, and the signal wire (SW) of each detection part is connected with the unlike signal port of the center steering body of described movable crane respectively.
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| CN 201010594445 CN102060236A (en) | 2010-12-17 | 2010-12-17 | Mobile crane and support leg pressure detecting and controlling device thereof |
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| CN 201010594445 CN102060236A (en) | 2010-12-17 | 2010-12-17 | Mobile crane and support leg pressure detecting and controlling device thereof |
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| CN102431918A (en) * | 2011-09-15 | 2012-05-02 | 济南富友慧明监控设备有限公司 | Method for judging damage position on steel structure of tower body of tower crane |
| CN102536963A (en) * | 2011-12-31 | 2012-07-04 | 长沙中联消防机械有限公司 | Engineering machinery as well as protection method and protection method of landing leg horizontal oil cylinder thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5119949A (en) * | 1989-02-13 | 1992-06-09 | Hikoma Seisakusho Co., Ltd. | Crane vehicle with operation speed control |
| CN2892799Y (en) * | 2006-01-20 | 2007-04-25 | 齐玉针 | Wireless data transmission crane safety comprehensive protector |
| CN2920952Y (en) * | 2006-07-13 | 2007-07-11 | 徐州重型机械有限公司 | Vertical support pressure detecting device |
-
2010
- 2010-12-17 CN CN 201010594445 patent/CN102060236A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5119949A (en) * | 1989-02-13 | 1992-06-09 | Hikoma Seisakusho Co., Ltd. | Crane vehicle with operation speed control |
| CN2892799Y (en) * | 2006-01-20 | 2007-04-25 | 齐玉针 | Wireless data transmission crane safety comprehensive protector |
| CN2920952Y (en) * | 2006-07-13 | 2007-07-11 | 徐州重型机械有限公司 | Vertical support pressure detecting device |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102431918A (en) * | 2011-09-15 | 2012-05-02 | 济南富友慧明监控设备有限公司 | Method for judging damage position on steel structure of tower body of tower crane |
| CN102431918B (en) * | 2011-09-15 | 2013-09-04 | 济南富友慧明监控设备有限公司 | Method for judging damage position on steel structure of tower body of tower crane |
| CN102536963A (en) * | 2011-12-31 | 2012-07-04 | 长沙中联消防机械有限公司 | Engineering machinery as well as protection method and protection method of landing leg horizontal oil cylinder thereof |
| CN102607860A (en) * | 2012-02-23 | 2012-07-25 | 中联重科股份有限公司 | Fault detection method, device and system for engineering mechanical vehicle |
| CN102556866A (en) * | 2012-03-14 | 2012-07-11 | 三一汽车起重机械有限公司 | Stability monitoring system and stability monitoring method of lifting equipment |
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| CN102866016A (en) * | 2012-10-18 | 2013-01-09 | 徐州重型机械有限公司 | Rapid diagnostic instrument and diagnostic method for engine failure of mobile crane |
| CN102866016B (en) * | 2012-10-18 | 2015-07-22 | 徐州重型机械有限公司 | Rapid diagnostic instrument and diagnostic method for engine failure of mobile crane |
| CN104755410A (en) * | 2012-10-19 | 2015-07-01 | 帕尔菲格股份有限公司 | Securing device for a crane |
| CN102915045A (en) * | 2012-10-31 | 2013-02-06 | 中联重科股份有限公司 | Method and device for controlling cantilever crane type engineering vehicle |
| CN102915045B (en) * | 2012-10-31 | 2015-01-07 | 中联重科股份有限公司 | Method and device for controlling cantilever crane type engineering vehicle |
| CN103086285A (en) * | 2013-01-21 | 2013-05-08 | 三一帕尔菲格特种车辆装备有限公司 | Tipping prevention device, engineering machinery and tipping prevention method |
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| CN106672825A (en) * | 2016-11-28 | 2017-05-17 | 徐州重型机械有限公司 | Asymmetric support crane hoisting performance generation method |
| CN109573840A (en) * | 2017-09-29 | 2019-04-05 | 中国铁路总公司 | A kind of crane and its leg control system |
| CN108083125A (en) * | 2017-11-23 | 2018-05-29 | 太重（天津）滨海重型机械有限公司 | Crane stability monitors system and monitoring method |
| CN108051138A (en) * | 2017-12-11 | 2018-05-18 | 广州瑞立科密汽车电子股份有限公司 | A kind of pressure-detecting device of trailer gas tank |
| CN108051138B (en) * | 2017-12-11 | 2023-12-29 | 广州瑞立科密汽车电子股份有限公司 | Pressure detection device of trailer air tank |
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| CN111943060A (en) * | 2020-08-17 | 2020-11-17 | 交通运输部公路科学研究所 | Modular mechanical arm, hoisting system and posture adjusting method |
| CN111943060B (en) * | 2020-08-17 | 2022-03-18 | 交通运输部公路科学研究所 | Posture adjusting method |
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| CN112919336B (en) * | 2021-03-30 | 2023-10-17 | 上海万润达机电科技发展有限公司 | Self-balancing glass suspension arm and application method thereof |
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Application publication date: 20110518 |