CN201647862U - Crane and anti-back-tipping control system thereof - Google Patents
Crane and anti-back-tipping control system thereof Download PDFInfo
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- CN201647862U CN201647862U CN2010201370889U CN201020137088U CN201647862U CN 201647862 U CN201647862 U CN 201647862U CN 2010201370889 U CN2010201370889 U CN 2010201370889U CN 201020137088 U CN201020137088 U CN 201020137088U CN 201647862 U CN201647862 U CN 201647862U
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- hypsokinesis
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Abstract
The utility model discloses an anti-back-tipping control system, which is used for a crane and comprises a detection element (1) and a control element (2). The detection element (1) is used for detecting positions of a cylinder rod (41) of an anti-back-tipping cylinder (4) during a retracting process and sends signals, and the control element (2) receives signals sent by the detection element (1) and sends instructions according to the signals. When the cylinder rod (41) retracts to a first position (8) distant from a travel destination by a preset distance, the control element (2) controls an amplitude variation auxiliary arm (3) of the crane to begin speed reduction amplitude variation. When the cylinder rod (41) further retracts to a second position (9) approaching the travel destination, the control element (2) controls the amplitude variation auxiliary arm (3) to begin amplitude variation brake. The anti-back-tipping control system can detect the position of beginning speed reduction amplitude variation and the position of beginning amplitude variation brake. In addition, the utility model further discloses a crane comprising the anti-back-tipping control system.
Description
Technical field
The utility model relates to the hoisting crane technical field, particularly a kind of anti-hypsokinesis control system that is used for hoisting crane; The utility model also relates to a kind of hoisting crane that comprises this anti-hypsokinesis control system.
Background technology
Along with the fast development of infrastructure construction causes such as China railways, highway, water conservancy and hydropower, also more and more for the demand of wheel crane.
Wheel crane more and more develops to the maximization direction at present, and operation working condition requirement crane arm is longer, and lifting altitude is higher, and load-carrying ability is stronger.To achieve these goals, the main crane arm of goliath and the brachium of auxiliary cargo boom are all done very longly, 50 meters of general main lifting brachiums, and auxiliary cargo boom also is increased to 20～90 meters.Under the situation that has increased lifting altitude, in order to make hoisting crane bigger work range is arranged, just designed the luffing auxiliary.The luffing of luffing auxiliary drives arm-tie by hoisting rope and realizes, if move after auxiliary luffing size above design point of view, makes the car load center of gravity, causes roll-over accident easily.
In order to prevent the generation of above-mentioned roll-over accident, designed anti-hypsokinesis cylinder.Anti-hypsokinesis cylinder is initially located in free state, and anti-hypsokinesis cylinder is subjected to the pressure of arm-tie to begin retraction during the auxiliary luffing.When the auxiliary luffing also arrives maximum angle, anti-hypsokinesis cylinder also bounces back fully, at this moment luffing just should stop immediately in theory, otherwise arm-tie can continue pressing anti-hypsokinesis cylinder, if there is not the detection of relevant position, allow luffing automatic deceleration and stopping, anti-hypsokinesis cylinder and dependency structure spare will damage under enormous impact.
In the prior art, when anti-hypsokinesis cylinder designs, between cylinder barrel and cylinder bar, can increase spring, when reaching cylinder retract stroke maxim, even auxiliary continues luffing, spring also can weaken corresponding impulsive force, thereby can reduce the enormous impact to preventing that the hypsokinesis cylinder causes to a certain extent.
Yet the weight of luffing auxiliary itself is very big, under the situation of not slowing down, has powerful force of inertia, even the spring in the anti-hypsokinesis cylinder can weaken a part of power, prevents that hypsokinesis cylinder and the framing member that is associated are subjected to very big impact but still can make.If the operator still proceeds the upwards operation of luffing during to the greatest limit position at luffing, lasting impulsive force may cause their damage, and the safety of entail dangers to car load.
The utility model content
The technical problems to be solved in the utility model provides a kind of anti-hypsokinesis control system, this system can detect with beginning luffing braking position the luffing position that reduces speed now of anti-hypsokinesis cylinder, and then the luffing auxiliary slowed down and shut-down operation, thereby can prevent that the huge force of inertia of luffing auxiliary from impacting to anti-hypsokinesis cylinder and dependency structure spare.In addition, another technical matters that will solve of the utility model is for providing a kind of hoisting crane that comprises above-mentioned anti-hypsokinesis control system.
For solving the problems of the technologies described above, the utility model provides a kind of anti-hypsokinesis control system, is used for hoisting crane, comprising:
Detecting element, the cylinder bar that is used for detecting anti-hypsokinesis cylinder be in the position of retraction process, and send signal;
Control element receives the signal that described detecting element sends, and sends instruction according to this signal;
When described cylinder bar bounces back to primary importance apart from the end of run preset distance, the luffing auxiliary that described control element the is controlled described hoisting crane luffing that reduces speed now;
When described cylinder bar further bounced back to the second place near end of run, described control element was controlled described luffing auxiliary and is begun the luffing braking;
When described cylinder bar bounced back to end of run, described luffing auxiliary stopped just.
Preferably, described detecting element is a detector switch, and described detector switch comprises first detector switch and second detector switch;
When described cylinder bar bounced back to described primary importance, described first detector switch sent the primary importance signal, and described control element is according to the luffing auxiliary of the described hoisting crane of this primary importance signal control luffing that reduces speed now;
When described cylinder bar further bounced back to the described second place, described second detector switch sent second place signal, and described control element begins the luffing braking according to the luffing auxiliary of the described hoisting crane of this second place signal control.
Preferably, described first detector switch is located at described cylinder barrel, and described cylinder bar is provided with detected; When described cylinder bar bounced back to described primary importance, described first detector switch detected described detected, sent described primary importance signal.
Preferably, the number of described first detector switch is two, and both are connected in parallel.
Preferably, described first detector switch is located at described cylinder barrel by mounting bracket; Described detected is the wire loop that is set in described cylinder bar.
Preferably, described cylinder barrel is being provided with interface with the cooresponding position of the described second place, and described second detector switch is located at described interface; When described cylinder bar further bounced back to the described second place, described second detector switch detected the cylinder head of described cylinder bar, sent described second place signal.
Preferably, described preset distance is 100mm.
Preferably, described detecting element is an angle detection device, and described angular detection parts are used to detect the luffing auxiliary of described hoisting crane and the angle between the main crane arm, and send angle signal;
Described control element receives described angle signal, and sends instruction according to this angle signal;
When described cylinder bar bounced back to described primary importance, the numerical value of described angle was first predetermined angular, the luffing auxiliary that described control element the is controlled described hoisting crane luffing that reduces speed now;
When described cylinder bar further bounced back to the described second place, the numerical value of described angle was slightly less than second predetermined angular, and the luffing auxiliary that described control element is controlled described hoisting crane begins the luffing braking;
When described luffing auxiliary stopped, the numerical value of described angle was described second predetermined angular just.
Preferably, described first predetermined angular is 10 °, and described second predetermined angular is 8 °.
In addition, for solving the problems of the technologies described above, the utility model also provides a kind of hoisting crane, comprises above-mentioned each described anti-hypsokinesis control system.
On the basis of existing technology, anti-hypsokinesis control system provided by the present invention comprises detecting element and control element, and described detecting element is used for detecting the cylinder bar of anti-hypsokinesis cylinder in the position of retraction process, and sends signal; Described control element receives the signal that described detecting element sends, and sends instruction according to this signal.
Along with the luffing auxiliary luffing that makes progress, the cylinder bar of anti-hypsokinesis cylinder bounces back gradually, and when described cylinder bar bounced back to primary importance apart from the end of run preset distance, described detecting element detected this position, and sends signal; Described control element receives this signal, and according to the luffing auxiliary of the described hoisting crane of this signal control luffing that reduces speed now.
Along with luffing auxiliary deceleration luffing, anti-hypsokinesis cylinder continues to be compressed, and when the cylinder bar further bounced back to the second place near end of run, detecting element detected this position, and sends signal; Control element receives this signal, and begins the luffing braking according to the luffing auxiliary of the described hoisting crane of this signal control, and when described cylinder bar bounced back to end of run, described luffing auxiliary stopped just.
From the above, should anti-hypsokinesis control system can detect with beginning luffing braking position the luffing position that reduces speed now of anti-hypsokinesis cylinder, and then the luffing auxiliary slowed down and shut-down operation, thereby can prevent that the huge force of inertia of luffing auxiliary from impacting to anti-hypsokinesis cylinder and dependency structure spare.
Description of drawings
Fig. 1 is the structural representation of hoisting crane among a kind of embodiment of the utility model;
Fig. 2 is the control principle block diagram of anti-hypsokinesis control system among a kind of embodiment of the utility model;
Fig. 3 is in the local structure scheme drawing of the hoisting crane of the luffing position that reduces speed now for anti-hypsokinesis cylinder among a kind of embodiment of the utility model;
Fig. 4 is in the local structure scheme drawing of the hoisting crane of luffing stop position for anti-hypsokinesis cylinder among a kind of embodiment of the utility model;
Fig. 5 is the structural representation of anti-hypsokinesis control system among the another kind of embodiment of the utility model;
Fig. 6 is for being in the structural representation of the anti-hypsokinesis control system of the luffing position that reduces speed now among the another kind of embodiment of the utility model;
Fig. 7 is for being in the structural representation of the anti-hypsokinesis control system of luffing stop position among the another kind of embodiment of the utility model;
Fig. 8 is the side-looking structural representation of anti-hypsokinesis control system among the another kind of embodiment of the utility model.
The specific embodiment
Core of the present utility model provides a kind of anti-hypsokinesis control system, this system can detect with beginning luffing braking position the luffing position that reduces speed now of anti-hypsokinesis cylinder, and then the luffing auxiliary slowed down and shut-down operation, thereby the huge force of inertia that can prevent the luffing auxiliary impact that anti-hypsokinesis cylinder and dependency structure spare are caused.In addition, another core of the utility model is for providing a kind of hoisting crane that comprises above-mentioned anti-hypsokinesis control system.
In order to make those skilled in the art understand the technical solution of the utility model better, the utility model 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 hoisting crane among a kind of embodiment of the utility model.
Hoisting crane comprises that main crane arm 5 reaches and main crane arm 5 bonded assembly luffing auxiliarys 3, luffing auxiliary 3 drives arm-tie 6 by luffing hoisting rope 7 and realizes luffing, arm-tie 6 is connected with anti-hypsokinesis cylinder 4, is used to prevent that luffing auxiliary 3 from surmounting the roll-over accident that the design angle luffing is caused.
Please refer to Fig. 2, Fig. 2 is the control principle block diagram of anti-hypsokinesis control system among a kind of embodiment of the utility model.
In first kind of embodiment, anti-hypsokinesis control system provided by the utility model is used for hoisting crane, comprising:
Detecting element 1 is used for detecting the position of cylinder bar 41 (being shown in Fig. 5, Fig. 6 and Fig. 7) in retraction process of anti-hypsokinesis cylinder 4, and sends signal; Need to prove, present embodiment does not limit for the type of this detecting element 1, this detecting element 1 can be for directly detecting the detection part of cylinder bar 41 advanced positions, such as the described detector switch of being located at cylinder barrel 42 (being shown among Fig. 5, Fig. 6 and Fig. 7) hereinafter; Certainly, this detecting element 1 also can be the detection part of indirect detection cylinder bar 41 advanced positions, such as the angular detection parts of the angle between described detection luffing auxiliary 3 and the main crane arm 5 hereinafter, determine cylinder bar 41 residing advanced positions by the angle that detects between the two.
Control element 2 receives the signal that detecting element 1 sends, and sends instruction according to this signal;
When cylinder bar 41 bounced back to primary importance 8 apart from the end of run preset distance, this position also can be called the luffing position that reduces speed now, and detecting element 1 detects this primary importance 8, and sends signal; Control element 2 receives these signals, and according to the luffing auxiliary 3 of the described hoisting crane of this signal control luffing that reduces speed now.
When cylinder bar 41 further bounced back to the second place 9 near end of run, this position also can be called beginning luffing braking position, and detecting element 1 detects this second place 9, and sends signal; Control element 2 receives this signal, and brakes according to the luffing auxiliary 3 beginning luffings of the described hoisting crane of this signal control, and when cylinder bar 41 bounced back to end of run, luffing auxiliary 3 stopped just.
In sum, anti-hypsokinesis control system provided by the utility model can detect with beginning luffing braking position the luffing position that reduces speed now of anti-hypsokinesis cylinder 4, and then luffing auxiliary 3 slowed down and shut-down operation, thereby the huge force of inertia that can prevent luffing auxiliary 3 impact that anti-hypsokinesis cylinder 4 and dependency structure spare are caused.
It should be noted that, in the present embodiment, number for detecting element 1 does not limit, the number of detecting element 1 can be one, be that same detecting element 1 had both detected the primary importance 8 of anti-hypsokinesis cylinder 4 and sent signal, detect the second place 9 of anti-hypsokinesis cylinder 4 again and send signal, this is hereinafter angle detection device for example; Certainly, the number of detecting element 1 also can be two, detects above-mentioned two positions as 12, two switches of hereinafter first detector switch 11 and second detector switch are corresponding respectively.
Please refer to Fig. 3 and Fig. 4, Fig. 3 is in the local structure scheme drawing of the hoisting crane of the luffing position that reduces speed now for anti-hypsokinesis cylinder among a kind of embodiment of the utility model; Fig. 4 is in the local structure scheme drawing of the hoisting crane of luffing stop position for anti-hypsokinesis cylinder among a kind of embodiment of the utility model.
As mentioned before, the luffing of luffing auxiliary 3 drives arm-tie 6 realizations by hoisting rope 7.Anti-hypsokinesis cylinder 4 is initially located in free state, and cylinder is bounced back by arm-tie 6 pressure during auxiliary 3 luffings.Behind auxiliary 3 luffings and the angle α of main crane arm 5 certain restriction is arranged, can not be less than 8 °, otherwise can because the change angle of auxiliary 3 cross and move the danger that causes overturning after the center of gravity of ambassador's car load and take place.Anti-hypsokinesis cylinder 4 has played good restriction and protective effect.
The angle of auxiliary 3 luffings is corresponding with the retract stroke of anti-hypsokinesis cylinder 4, and when the luffing of auxiliary 3 reached the limit of the position, cylinder bar 41 just bounced back to end of run.Because the stroke and the change angle of anti-hypsokinesis cylinder 4 exist corresponding relation, as shown in Figure 3, when auxiliary 3 luffings when the angle with main crane arm 5 is 10 °, respective cylinder bar 41 retracts to apart from end of run 100mm place; As shown in Figure 4, when auxiliary 3 luffings when the angle with main crane arm 5 is 8 °, respective cylinder bar 41 retracts to end of run.Detecting element 1 needs two positions detecting: primary importance 8 be cylinder bar 41 apart from end of run 100mm place, slow down in order to the control luffing, the second place 9, begins luffing and brakes in order to control auxiliary near the end of run place for further.
Certainly; primary importance 8 described in the epimere and the second place 9 pairing concrete numerical value and angle can not be made restriction to protection domain of the present utility model; obviously; relevant structure to hoisting crane makes a change; it also is possible that pairing concrete numerical value in above-mentioned two positions and angle change; perhaps to change also be possible for the pairing concrete numerical value in above-mentioned two positions of the hoisting crane of the different tonnages of different model and angle, thereby the pairing arbitrarily concrete numerical value in above-mentioned two positions and angle all should fall within the protection domain of the present utility model.
Please refer to Fig. 5, Fig. 6 and Fig. 7, Fig. 5 is the structural representation of anti-hypsokinesis control system among the another kind of embodiment of the utility model; Fig. 6 is for being in the structural representation of the anti-hypsokinesis control system of the luffing position that reduces speed now among the another kind of embodiment of the utility model; Fig. 7 is for being in the structural representation of the anti-hypsokinesis control system of luffing stop position among the another kind of embodiment of the utility model.
In above-mentioned first kind of embodiment, detecting element 1 is made concrete setting, just obtained second kind of embodiment of the present utility model.
In second kind of embodiment, detecting element 1 is specifically as follows detector switch, and as shown in Figure 5, described detector switch comprises first detector switch 11 and second detector switch 12;
As shown in Figure 6, when cylinder bar 41 bounced back to apart from primary importance 8, first detector switch 11 sent the primary importance signal, and control element 2 is according to the luffing auxiliary 3 of the described hoisting crane of this primary importance signal control luffing that reduces speed now;
As shown in Figure 7, when cylinder bar 41 bounced back to the second place 9, second detector switch 12 sent second place signal, and control element 2 stops luffing according to the luffing auxiliary 3 of the described hoisting crane of this second place signal control.
In the present embodiment, concrete restriction is not done in the position that is provided with for first detector switch 11 and second detector switch 12, no matter which kind of position first detector switch 11 is arranged on, as long as when cylinder bar 41 bounces back to primary importance 8, first detector switch 11 can detect this position and send signal, and first detector switch 11 that is provided with this kind position is just within the protection domain of present embodiment; In like manner; present embodiment is not done concrete restriction for the position that is provided with of second detector switch 12 yet; thereby as long as when cylinder bar 41 bounces back to the second place 9; second detector switch 12 can detect this position and send signal, and second detector switch 12 that is provided with this kind position is also within the protection domain of present embodiment.
Please refer to Fig. 5 and Fig. 8, Fig. 8 is the side-looking structural representation of anti-hypsokinesis control system among the another kind of embodiment of the utility model.
In above-mentioned second kind of embodiment, as shown in Figure 5, first detector switch 11 is located at cylinder barrel 42, and cylinder bar 41 is provided with detected; When cylinder bar 41 bounced back to primary importance 8, first detector switch 11 detected described detected, sent described primary importance signal.
Particularly, as shown in Figure 8, the number of first detector switch 11 is two, and both are connected in parallel.The number of first detector switch 11 is two can increase functional reliability, even there is one first detector switch 11 to lose efficacy, and another detector switch 11 normal operation, thereby do not influence testing result yet.Certainly, in order further to increase reliability, the number of first detector switch 11 can be set to a plurality of.
Specifically as shown in Figure 5, first detector switch 11 can be located at cylinder barrel 42 by mounting bracket 13; Described detected can be the wire loop 14 that is set in cylinder bar 41.Present embodiment does not limit for the position of wire loop 14, as long as when cylinder bar 41 bounces back to primary importance 8, first detector switch 11 can with wire loop 14 corresponding getting final product.
Please refer to Fig. 4, in above-mentioned any embodiment, we can also make concrete setting to the position of second detector switch 12.
Particularly, as shown in Figure 5, cylinder barrel 42 is being provided with interface with the second place 9 cooresponding positions, and second detector switch 12 is located at described interface; When cylinder bar 41 bounced back to the second place 9, second detector switch 12 detected the cylinder head of described cylinder bar 41, sent described second place signal.
As indicated above, in above-mentioned any embodiment, primary importance can be 100mm apart from the preset distance of end of run, and certainly, as indicated above, the primary importance of other concrete numerical definitenesses is also within protection domain of the present utility model.
In addition, in above-mentioned first kind of embodiment, we can make another kind of the setting to detecting element 1, thereby obtain the third embodiment of the present utility model.
In the third embodiment, detecting element 1 is an angle detection device, and described angular detection parts are used to detect the luffing auxiliary 3 of described hoisting crane and the angle between the main crane arm 5, and send angle signal;
Control element 2 receives described angle signal, and sends instruction according to this angle signal;
When cylinder bar 41 bounced back to apart from primary importance 8, the numerical value of described angle was first predetermined angular, the luffing auxiliary 3 deceleration luffings of the described hoisting crane of control element 2 controls;
When cylinder bar 41 further bounces back to the second place 9, the numerical value of described angle is for being slightly less than second predetermined angular, the luffing auxiliary 3 beginning luffing brakings of the described hoisting crane of control element 2 controls, when the luffing auxiliary stopped, the numerical value of described angle was described second predetermined angular just.
As indicated above, first predetermined angular can be 10 °, and second predetermined angular can be 8 °.
Moreover the utility model also provides a kind of hoisting crane, and described hoisting crane comprises the anti-hypsokinesis control system that above-mentioned any embodiment introduces, and other parts of described hoisting crane can be with reference to prior art, and this paper no longer launches.
Though it is pointed out that anti-hypsokinesis control system provided by the utility model is to be used for the hoisting crane field, obviously, should prevent the hypsokinesis control system what the Other Engineering mechanical field was used, also within protection domain of the present utility model.
More than hoisting crane provided by the utility model and anti-hypsokinesis control system thereof are described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. an anti-hypsokinesis control system is used for hoisting crane, it is characterized in that, comprising:
Detecting element (1), the cylinder bar (41) that is used for detecting anti-hypsokinesis cylinder (4) be in the position of retraction process, and send signal;
Control element (2) receives the signal that described detecting element (1) sends, and sends instruction according to this signal;
When described cylinder bar (41) bounces back to primary importance (8) apart from the end of run preset distance, the luffing auxiliary (3) of the described hoisting crane of described control element (2) the control luffing that reduces speed now;
When described cylinder bar (41) further bounces back to the second place (9) of approaching described end of run, the braking of described control element (2) the described luffing auxiliary of control (3) beginning luffing;
When described cylinder bar (41) when bouncing back to described end of run, described luffing auxiliary (3) stops just.
2. anti-hypsokinesis control system as claimed in claim 1 is characterized in that described detecting element (1) is a detector switch, and described detector switch comprises first detector switch (11) and second detector switch (12);
When described cylinder bar (41) bounced back to described primary importance (8), described first detector switch (11) sent the primary importance signal, and described control element (2) is according to the luffing auxiliary (3) of the described hoisting crane of this primary importance signal control luffing that reduces speed now;
When described cylinder bar (41) further (41) bounces back to the described second place (9), described second detector switch (12) sends second place signal, and described control element (3) is according to luffing auxiliary (3) the beginning luffing braking of the described hoisting crane of this second place signal control.
3. anti-hypsokinesis control system as claimed in claim 2 is characterized in that described first detector switch (11) is located at described cylinder barrel (42), and described cylinder bar (41) is provided with detected; When described cylinder bar (41) bounced back to described primary importance (8), described first detector switch (11) detected described detected, sent described primary importance signal.
4. anti-hypsokinesis control system as claimed in claim 3 is characterized in that the number of described first detector switch (11) is two, and both are connected in parallel.
5. as claim 3 or 4 described anti-hypsokinesis control system, it is characterized in that described first detector switch (11) is located at described cylinder barrel (42) by mounting bracket (13); Described detected is the wire loop (14) that is set in described cylinder bar (41).
6. as each described anti-hypsokinesis control system of claim 2 to 4, it is characterized in that described cylinder barrel (42) is being provided with interface with the cooresponding position of the described second place (9), described second detector switch (12) is located at described interface; When described cylinder bar (41) further bounced back to the described second place (9), described second detector switch (12) detected the cylinder head of described cylinder bar (41), sent described second place signal.
7. as each described anti-hypsokinesis control system of claim 1 to 4, it is characterized in that described preset distance is 100mm.
8. anti-hypsokinesis control system as claimed in claim 1, it is characterized in that, described detecting element (1) is an angle detection device, and described angular detection parts are used to detect the luffing auxiliary (3) of described hoisting crane and the angle between the main crane arm (5), and send angle signal;
Described control element (2) receives described angle signal, and sends instruction according to this angle signal;
When described cylinder bar (41) bounced back to described primary importance (8), the numerical value of described angle was first predetermined angular, the luffing auxiliary (3) of the described hoisting crane of described control element (2) the control luffing that reduces speed now;
When described cylinder bar (41) further bounced back to the described second place (9), the numerical value of described angle was slightly less than second predetermined angular, luffing auxiliary (3) the beginning luffing braking of the described hoisting crane of described control element (2) control;
When described luffing auxiliary (3) when stopping, the numerical value of described angle is described second predetermined angular just.
9. anti-hypsokinesis control system as claimed in claim 8 is characterized in that described first predetermined angular is 10 °, and described second predetermined angular is 8 °.
10. a hoisting crane is characterized in that, comprises aforesaid right requirement 1 to 9 each described anti-hypsokinesis control system.
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| CN2010201370889U CN201647862U (en) | 2010-03-09 | 2010-03-09 | Crane and anti-back-tipping control system thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102328884A (en) * | 2011-07-28 | 2012-01-25 | 长沙中联重工科技发展股份有限公司 | Moveable arm tower crane and anti-backward-tipping device thereof |
| CN102425201A (en) * | 2011-11-30 | 2012-04-25 | 北京市三一重机有限公司 | Anti-back-tipping moment limiter for arm support |
| WO2013013414A1 (en) * | 2011-07-28 | 2013-01-31 | 长沙中联重工科技发展股份有限公司 | Derrick tower crane and anti-tipping device thereof |
| CN103342303A (en) * | 2013-07-22 | 2013-10-09 | 徐州重型机械有限公司 | Crane, as well as anti-tilt-back control device and method thereof |
| CN104692267A (en) * | 2015-01-22 | 2015-06-10 | 徐工集团工程机械股份有限公司 | Anti-hypsokinesis safe control device of crane arm frame |
| CN105417415A (en) * | 2015-12-22 | 2016-03-23 | 中联重科股份有限公司 | Anti-back-tipping protection method, device and system based on luffing jib tower crane |
| EP3569562A1 (en) * | 2018-05-09 | 2019-11-20 | Sumitomo Heavy Industries Construction Cranes Co., Ltd. | Crane |
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- 2010-03-09 CN CN2010201370889U patent/CN201647862U/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102328884A (en) * | 2011-07-28 | 2012-01-25 | 长沙中联重工科技发展股份有限公司 | Moveable arm tower crane and anti-backward-tipping device thereof |
| WO2013013414A1 (en) * | 2011-07-28 | 2013-01-31 | 长沙中联重工科技发展股份有限公司 | Derrick tower crane and anti-tipping device thereof |
| CN102425201A (en) * | 2011-11-30 | 2012-04-25 | 北京市三一重机有限公司 | Anti-back-tipping moment limiter for arm support |
| CN103342303A (en) * | 2013-07-22 | 2013-10-09 | 徐州重型机械有限公司 | Crane, as well as anti-tilt-back control device and method thereof |
| CN103342303B (en) * | 2013-07-22 | 2016-02-24 | 徐州重型机械有限公司 | A kind of hoisting crane and anti-hypsokinesis control setup thereof and method |
| CN104692267A (en) * | 2015-01-22 | 2015-06-10 | 徐工集团工程机械股份有限公司 | Anti-hypsokinesis safe control device of crane arm frame |
| CN104692267B (en) * | 2015-01-22 | 2016-09-14 | 徐工集团工程机械股份有限公司 | A kind of crane arm support anti-hypsokinesis safety control |
| CN105417415A (en) * | 2015-12-22 | 2016-03-23 | 中联重科股份有限公司 | Anti-back-tipping protection method, device and system based on luffing jib tower crane |
| EP3569562A1 (en) * | 2018-05-09 | 2019-11-20 | Sumitomo Heavy Industries Construction Cranes Co., Ltd. | Crane |
| US11078054B2 (en) | 2018-05-09 | 2021-08-03 | Sumitomo Heavy Industries Construction Cranes Co., Ltd. | Crane |
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