CN1948115A - Wind proof system of shoreside crane and wind proof method - Google Patents
Wind proof system of shoreside crane and wind proof method Download PDFInfo
- Publication number
- CN1948115A CN1948115A CN 200610117676 CN200610117676A CN1948115A CN 1948115 A CN1948115 A CN 1948115A CN 200610117676 CN200610117676 CN 200610117676 CN 200610117676 A CN200610117676 A CN 200610117676A CN 1948115 A CN1948115 A CN 1948115A
- Authority
- CN
- China
- Prior art keywords
- bank crane
- crane
- bank
- judgment means
- wind speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
A wind-proofing method for coast hoister includes such steps as judging if the movement of coast hoister is caused by wind, and stopping the movement if it is. Its wind-proofing system is composed of a running state judging unit consisting of running instruction judging device, wheel speed measurer, wind speed measurer and logic controller, an alarm unit, and a brake system.
Description
Technical field
The present invention relates to the crane safety technical field, more particularly, relate to a kind of running state judgment technology of bank crane and adopt the windproof technology of this technology, when bank crane is subjected to windage and positioning occurs, can in time brake.
Background technology
The continuous increase of and volume of world trade domestic along with China, the continuous increase and the development of the port construction of domestic various places, particularly each big coastal harbor are large-scale, ultra-large type bank crane tool constantly increases.Because coastal harbor harbour geographic position of living in special, annual two seasons of summer in winter of southern and northern harbour, all can suffer typhoon and strong convective weather, the safety of harbour bank crane tool is constituted a serious threat.
Because the port and pier operation is ordinary, particularly summer paroxysmal calamitous weather, modern meteorological technology is difficult to forecast, if just do not fixed by the anchorage at the large scale hoisting machinery of operation, crane large vehicle walking mechanism brake equipment is imperfect in addition, or braking force can not satisfy and resist under the burst wind situation of carrying, and hoisting crane will take place carry positioning voluntarily under the effect at wind.In case hoisting crane is positioning voluntarily, the harbour bank will cause tumbling of hoisting crane with the damage that will bump between many hoisting cranes of track under the serious situation.
Hoisting crane carries positioning voluntarily under the effect at wind, along with positioning speeds up, serious accident is just inevitable, even if fill in the stirrup strap that wheel is generally used for the large vehicle walking location down, also can't stop operating hoisting crane.Facts have proved that hoisting crane carries positioning voluntarily under the effect at wind, relatively the actv. brake mode is, fill software sand bag down to running large vehicle walking wheel, utilize sand to wrap in the very big damping of formation between track and the wheel, in extremely short scope, absorb conversion complete machine kinetic energy, play the positioning operation that stops crane, and then win the time of hoisting crane being done further fastening processing.
So, be in improper positioning under the wind effect of carrying and the technology that can in time adopt the sand bag to brake with regard to need a kind ofly in time judging hoisting crane.
Summary of the invention
An object of the present invention is to provide a kind of can in time judge hoisting crane be in wind carry the effect under improper mobile method and device.
Another object of the present invention is to be in the method and system that can in time adopt the sand bag to brake when wind carries improper mobile under the effect at hoisting crane.According to a first aspect of the invention, a kind of running state judgment means of bank crane is provided, when bank crane occurs when mobile, judge to move and be subjected to windage or normal moving, this running state judgment means comprises: walking instruction judgment means, judge whether the control system of described bank crane sends the walking instruction; The wheel speed measuring device judges whether the wheel of described bank crane rolls; The anemometry device judges that whether wind speed is greater than a predetermined wind speed; Logic controller is connected to described walking instruction judgment means, wheel speed measuring device, anemometry device, judge whether bank crane occurs moving, and judgement should mobile be subjected to windage or normal operation; When judging that bank crane occurs being subjected to the positioning of windage, described running state judgment means also gives the alarm and exports brake control signal.
According to one embodiment of the invention, the decision logic of logic controller comprises: the indication of walking instruction judgment means has the walking instruction to produce, and wheel speed measuring device indication bank crane has mobile, and then logic controller judges that should move is normal operation; Walking instruction judgment means indication not walking instruction produces, and wheel speed measuring device indication bank crane does not move, and then logic controller judges that bank crane is in normal condition; Walking instruction judgment means indication walking instruction produces, and wheel speed measuring device indication bank crane has mobile, and anemometry device indication wind speed is greater than described predetermined wind speed, and then logic controller judges that this moves is the positioning that is subjected to windage.Preferable, described predetermined wind speed is determined according to environmental aspect and hoisting crane model lattice rule, is decided to be 25m/s such as predetermined wind speed.
According to one embodiment of the invention, this device also comprises power module, adopts civil power and UPS to described walking instruction judgment means, wheel speed measuring device, anemometry device and logic controller power supply.
According to a second aspect of the invention, a kind of anti-wind system of bank crane is provided, when bank crane occurs when mobile, judge to move and be subjected to windage or normal operation, if be subjected to the positioning of windage, then described anti-wind system stops and should move, and described system comprises: the running state judgment means, comprise: walking instruction judgment means, judge whether the control system of described bank crane sends the walking instruction; The wheel speed measuring device judges whether the wheel of described bank crane rolls; The anemometry device judges that whether wind speed is greater than a predetermined wind speed; Logic controller is connected to described walking instruction judgment means, wheel speed measuring device, anemometry device, judge whether bank crane occurs moving, and judgement should mobile be subjected to windage or normal moving; When judging that bank crane occurs being subjected to the positioning of windage, described running state judgment means also gives the alarm and exports brake control signal; Warning device is connected to described running state judgment means, when receiving the alarm that the running state judgment means is also sent, reports to the police; Brake system is connected to described running state judgment means, when receiving the brake control signal that the running state judgment means is also sent, brakes.
According to one embodiment of the invention, the decision logic of logic controller comprises: the indication of walking instruction judgment means has the walking instruction to produce, and wheel speed measuring device indication bank crane has mobile, and then logic controller judges that should move is normal operation; Walking instruction judgment means indication not walking instruction produces, and wheel speed measuring device indication bank crane does not move, and then logic controller judges that bank crane is in normal condition; Walking instruction judgment means indication walking instruction produces, and wheel speed measuring device indication bank crane has mobile, and anemometry device indication wind speed is greater than described predetermined wind speed, and then logic controller judges that this moves is the positioning that is subjected to windage.Preferable, described predetermined wind speed is determined according to environmental aspect and hoisting crane model specification, is made as 25m/s such as predetermined wind speed.
According to one embodiment of the invention, this anti-wind system also comprises, power module adopts civil power and UPS to described walking instruction judgment means, wheel speed measuring device, anemometry device and logic controller power supply; This power module is also to warning device and brake system power supply.
According to one embodiment of the invention, described brake system comprises: brake controller, and the brake control signal that reception running state judgment means is also sent is also taked action; Sand bag throwing machine by the control of described brake controller, is thrown the sand bag and is braked between the wheel of bank crane and track when brake controller is taked to move.Preferable, described brake system comprises: one group of brake controller, one group of wheel of the corresponding bank crane of wherein each; One group of sand bag throwing machine, in described one group of brake controller of the corresponding bank crane of wherein each one, described sand bag throwing machine is installed in each middle interval of group wheel of bank crane, and the sand bag of its throwing drops on the track of the working direction of pairing one group of wheel.
According to a third aspect of the invention we, a kind of running state determination methods of bank crane is provided, be used for occurring when mobile when bank crane, judge to move to be subjected to windage or normal operation, this running state determination methods comprises: whether the control system of judging described bank crane sends the walking instruction; Whether the wheel of judging described bank crane rolls; Judge that whether wind speed is greater than a predetermined wind speed; According to the control system of bank crane whether send walking instruction, whether bank crane occurs moving and wind speed, judges whether to occur being subjected to the positioning of windage; When judging that bank crane occurs being subjected to the positioning of windage, this method also comprises and gives the alarm and export brake control signal.
According to one embodiment of the invention, whether described control system according to bank crane sends the walking instruction, whether bank crane occurs moving and wind speed, the step that judges whether to occur to be subjected to the positioning of windage comprises: judging having the walking instruction to produce and bank crane has mobilely, judges that then should move is normal operation; Judge that not walking instruction produces and bank crane does not move, judge that then bank crane is in normal condition; It is mobile to judge that not walking instruction generation and bank crane have, and wind speed judges then that greater than described predetermined wind speed this moves is the positioning that is subjected to windage simultaneously.Preferable, described predetermined wind speed is determined according to environmental aspect and hoisting crane model specification, is made as 25m/s such as described predetermined wind speed.
According to one embodiment of the invention, adopt civil power and UPS interleaved power.
According to a forth aspect of the invention, a kind of windproof method of bank crane is provided, be used for occurring when mobile when bank crane, judge to move and be subjected to windage or normal operation, and if be subjected to the positioning of windage, then this method also stops this to move, and this method comprises: whether the control system of judging described bank crane sends the walking instruction; Whether the wheel of judging described bank crane rolls, to judge whether described bank crane occurs moving; Judge that whether wind speed is greater than a predetermined wind speed; According to the control system of bank crane whether send walking instruction, whether bank crane occurs moving and wind speed, judges whether to occur being subjected to the positioning of windage; When judging that bank crane occurs being subjected to the positioning of windage, this method also comprises and gives the alarm and export brake control signal; When receiving alarm, report to the police; And when receiving the brake control signal that the running state judgment means is sent, brake.
According to one embodiment of the invention, whether described control system according to bank crane sends the walking instruction, whether bank crane occurs moving and wind speed, the step that judges whether to occur to be subjected to the positioning of windage comprises: judging having the walking instruction to produce and bank crane has mobilely, judges that then should move is normal operation; Judge that not walking instruction produces and bank crane does not move, judge that then bank crane is in normal condition; It is mobile to judge that not walking instruction generation and bank crane have, and wind speed judges then that greater than described predetermined wind speed this moves is the positioning that is subjected to windage simultaneously.Preferable, described predetermined wind speed is determined according to environmental aspect and hoisting crane model specification, is made as 25m/s such as predetermined wind speed.
According to one embodiment of the invention, adopt civil power and UPS interleaved power.
According to one embodiment of the invention, described braking step comprises: throw the sand bag and brake between the wheel of bank crane and track.Preferable, described braking step comprises: one group of sand bag throwing machine by the interval in the middle of each the group wheel that is installed in bank crane is thrown the sand bag, and the sand bag drops on the track of the working direction of pairing one group of wheel.
Adopt technical scheme of the present invention, can judge effectively whether bank crane is in the improper positioning under the wind effect of carrying, and can when improper positioning occurring, stop this moving by throwing the sand bag, facts have proved, the sand bag can produce very big kinetic damping, can effectively stop the mobile of bank crane and not bring very big horizontal impact to hoisting crane.
Description of drawings
In the present invention, identical Reference numeral is represented identical feature all the time, wherein,
Fig. 1 is the structured flowchart according to the running state judgment means of one embodiment of the invention;
Fig. 2 is the windproof system architecture diagram according to one embodiment of the invention;
Fig. 3 is the windproof system electrical schematic diagram according to one embodiment of the invention;
Fig. 4 is the installation site scheme drawing according to the sand bag throwing machine of the anti-wind system of one embodiment of the invention;
Fig. 5 is a fundamental diagram of preventing wind system sand bag throwing machine according to an embodiment of the invention.
The specific embodiment
Further describe technical scheme of the present invention below in conjunction with drawings and Examples.
The running state judgment means
At first, when judging and prevent that bank crane generation wind carries improper positioning under the effect, need to consider following several problems: how to judge that 1) the crane operation is the control operation, still moves voluntarily? does 2) uninterrupted power supply that how to satisfy wind-proof device operation require? 3) do you how to determine the hoisting crane start-stop scope of positioning running velocity voluntarily?
At above-mentioned requirement, the invention provides a kind of running state judgment means of bank crane, when bank crane occurs when mobile, judge to move and be subjected to windage or normal operation, with reference to figure 1, Fig. 1 is the structured flowchart according to the running state judgment means of one embodiment of the invention, and this running state judgment means 100 comprises:
Walking instruction judgment means 102 judges whether the control system of bank crane sends the walking instruction; In circuit is realized, if the control system of bank crane is sent the walking instruction, then feed back high level (perhaps feeding back 1), if the control system of bank crane is not sent the walking instruction, then feed back low level (perhaps feeding back 0).
Wheel speed measuring device 104 judges whether the wheel of bank crane rolls; In circuit is realized, if the wheel rolling of bank crane, show that then moving appears in hoisting crane, wheel speed measuring device 104 feedback high level (perhaps feeding back 1), if the wheel of bank crane does not roll, show that then moving does not appear in hoisting crane, wheel speed measuring device 104 feedback low levels (perhaps feeding back 0).
Anemometry device 106 judges that whether wind speed is greater than a predetermined wind speed; For large-scale bank crane, the general run of thins wind speed is when 25m/s is following, and all types of hoisting cranes windward side institute wind-engaging carries down, is can not scraped positioning voluntarily by wind.But, because the difference of the environment at different and each harbour of hoisting crane model specification, make that the threshold value of wind speed can be different, so predetermined wind speed threshold value should be definite according to environmental aspect and hoisting crane model specification, herein, with modal threshold value, 25m/s is that example describes, and it will be understood by those of skill in the art that 25m/s only is an example.Just occurring moving or operation when hoisting crane sends the control operating instruction, should be that hoisting crane is subjected to bigger wind and carries, and wind speed should be more than 25m/s.So the anemometry device is provided with high level or low level with 25m/s as threshold value to wind velocity signal.Need explanation, wind speed is when 25m/s is following, hoisting crane is if improper move may be fault cause for other, this is not in concern scope of the present invention, therefore, the present invention does not relate to improper moving former owing to non-wind-force thereby that cause, and still, the method that employing sand bag provided by the present invention stops hoisting crane to move also can be used for the improper of a variety of causes and moves.In the circuit of anemometry device 106 is realized, if wind speed greater than 25m/s, anemometry device 106 feedback high level (perhaps feeding back 1) then, if wind speed less than 25m/s, anemometry device 106 feedback low levels (perhaps feeding back 0) then.
1) 102 indications of walking instruction judgment means have the walking instruction to produce, i.e. walking instruction judgment means 102 feedback high level or 1, wheel speed measuring device 104 indication bank cranes have mobile, be wheel speed measuring device 104 feedback high level or 1, then logic controller 108 judges that should move is normal moving;
2) 102 indications of walking instruction judgment means are walked to instruct and are produced, i.e. walking instruction judgment means 102 feedback low levels or 0, wheel speed measuring device 104 indication bank cranes do not move, be wheel speed measuring device 104 feedback low levels or 0, then logic controller 108 judges that also bank crane is in normal condition;
3) 102 indications of walking instruction judgment means are walked to instruct and are produced, i.e. walking instruction judgment means 102 feedback low levels or 0, and wheel speed measuring device 104 indication bank cranes have mobile, be wheel speed measuring device 104 feedback high level or 1, and anemometry device 106 indication wind speed are greater than predetermined wind speed (25m/s), be anemometry device 106 feedback high level or 1, then logic controller 108 judges that this moves is the positioning that is subjected to windage.
When judging that bank crane occurs being subjected to the positioning of windage, this running state judgment means 100 also gives the alarm and exports brake control signal.According to embodiments of the invention, it is main body that logic controller 108 adopts 8051 series monolithics, is equipped with independently WDT circuit, in order to guarantee the reliability of control system.This Series chip is furnished with the parameter setting and shows man machine interface, convenient debugging and control.Need to prove; according to embodiments of the invention; this running state judgment means can also increase the Consideration of other parameter as decision logic; such as; consider the speed of the abnormal running of hoisting crane; the improper mobile distance of hoisting crane; and the improper mobile velocity variations trend of hoisting crane or the like; these factors can be used in different applied environments; should be for some special applied environment; such as the special harbour of landform, improper the moving in the certain limit can not work the mischief, and can eliminate voluntarily; might not need to carry out artificial brake tool this moment; for a person skilled in the art, this does not exceed protection scope of the present invention, and the present invention has proposed a kind of judging whether to be the method for improper positioning and the actv. brake tool is provided.
Continuation is with reference to figure 1, in order to deal with problems 2) do uninterrupted power supply that how to satisfy wind-proof device operation require? running state judgment means 100 of the present invention also comprises power module 110, adopts civil power and UPS to walking instruction judgment means 102, wheel speed measuring device 104, anemometry device 106 and logic controller 108 power supplies.System works is in the mains supply pattern, once the grid power blackout system changes the UPS powering mode automatically over to when mains supply.Stand-by operation power load amount according to running state judgment means of the present invention can continue more than 48 hours under the UPS supply regular power situation, and guarantees the normally implementation of wind prevention braking system.When power system restoration was powered, system changed mains supply automatically over to, and simultaneously electrical network is to the UPS reserve power of charging.
The running state determination methods
According to the present invention, in conjunction with above-mentioned running state judgment means, a kind of running state determination methods of bank crane also is provided, be used for occurring when mobile when bank crane, judge to move to be subjected to windage or normal operation, this running state determination methods comprises:
Judge whether the control system of bank crane sends the walking instruction;
Whether the wheel of judging bank crane rolls;
Judge that whether wind speed is greater than a predetermined wind speed; Determine predetermined wind speed according to environmental aspect and hoisting crane model specification;
According to the control system of bank crane whether send walking instruction, whether bank crane occurs moving and wind speed, judges whether to occur being subjected to the positioning of windage; In this determining step, the decision logic of employing is as follows: 1) judging having the walking instruction to produce and bank crane has mobilely, judges that then should move is normal operation; 2) judge that not walking instruction produces and bank crane does not move, judge that then bank crane is in normal condition; 3) it is mobile to judge that not walking instruction generation and bank crane have, and wind speed judges then that greater than described predetermined wind speed this moves is the positioning that is subjected to windage simultaneously.
When judging that bank crane occurs being subjected to the positioning of windage, this method also comprises and gives the alarm and export brake control signal.
In the running state determination methods, adopt civil power and UPS interleaved power.
The details of the running state determination methods of this bank crane is corresponding with the details of the running state judgment means of aforesaid hoisting crane, just no longer is repeated in this description here.
The anti-wind system of bank crane
According to the present invention, a kind of anti-wind system of bank crane also is provided, on the basis of the running state of judging bank crane, also increase and consider how to stop improper moving.As previously mentioned, when occurring being subjected to the positioning of windage, throw the sand bag and be actv. prevention method between the wheel of hoisting crane and track, therefore, anti-wind system of the present invention has adopted this kind technology to stop the positioning that is subjected to windage.
So, the anti-wind system of bank crane of the present invention, can occur when mobile at bank crane, judge to move and be subjected to windage or normal operation, if be subjected to the positioning of windage, then anti-wind system stops and should move, with reference to figure 2, Fig. 2 is the windproof system architecture diagram according to one embodiment of the invention, and this anti-wind system 200 comprises:
Running state judgment means 201 comprises:
Walking instruction judgment means 202 judges whether the control system of bank crane sends the walking instruction; In circuit is realized, if the control system of bank crane is sent the walking instruction, then feed back high level (perhaps feeding back 1), if the control system of bank crane is not sent the walking instruction, then feed back low level (perhaps feeding back 0).
Wheel speed measuring device 204 judges whether the wheel of bank crane rolls, to judge whether bank crane occurs moving; In circuit is realized, if the wheel rolling of bank crane, show that then moving appears in hoisting crane, wheel speed measuring device 204 feedback high level (perhaps feeding back 1), if the wheel of bank crane does not roll, show that then moving does not appear in hoisting crane, wheel speed measuring device 204 feedback low levels (perhaps feeding back 0).
Anemometry device 206 judges that whether wind speed is greater than a predetermined wind speed; For large-scale bank crane, the general run of thins wind speed is when 25m/s is following, and all types of hoisting cranes windward side institute wind-engaging carries down, is can not scraped voluntarily by wind to move.But, because the difference of the environment at different and each harbour of hoisting crane model specification, make that the threshold value of wind speed can be different, so predetermined wind speed threshold value should be definite according to environmental aspect and hoisting crane model specification, herein, with modal threshold value, 25m/s is that example describes, and it will be understood by those of skill in the art that 25m/s only is an example.Just occurring moving or operation when hoisting crane sends the control operating instruction, should be that hoisting crane is subjected to bigger wind and carries, and wind speed should be more than 25m/s.So the anemometry device is provided with high level or low level with 25m/s as threshold value to wind velocity signal.Need explanation, wind speed is when 25m/s is following, hoisting crane is if improper move may be fault cause for other, this is not in concern scope of the present invention, therefore, the present invention does not relate to improper moving former owing to non-wind-force thereby that cause, and still, the method that employing sand bag provided by the present invention stops hoisting crane to move also can be used for the improper of a variety of causes and moves.In the circuit of anemometry device 206 is realized, if wind speed greater than 25m/s, anemometry device 206 feedback high level (perhaps feeding back 1) then, if wind speed less than 25m/s, anemometry device 206 feedback low levels (perhaps feeding back 0) then.
Logic controller 208 is connected to walking instruction judgment means 202, wheel speed measuring device 204, anemometry device 206, judges whether bank crane occurs moving, and judgement should mobile be subjected to windage or normal moving.According to one embodiment of the invention, the decision logic of logic controller 208 comprises:
1) 202 indications of walking instruction judgment means have the walking instruction to produce, i.e. walking instruction judgment means 202 feedback high level or 1, wheel speed measuring device 204 indication bank cranes have mobile, be wheel speed measuring device 204 feedback high level or 1, then logic controller 208 judges that should move is normal moving;
2) 202 indications of walking instruction judgment means are walked to instruct and are produced, i.e. walking instruction judgment means 202 feedback low levels or 0, wheel speed measuring device 204 indication bank cranes do not move, be wheel speed measuring device 204 feedback low levels or 0, then logic controller 208 judges that also bank crane is in normal condition;
3) 202 indications of walking instruction judgment means are walked to instruct and are produced, i.e. walking instruction judgment means 202 feedback low levels or 0, and wheel speed measuring device 204 indication bank cranes have mobile, be wheel speed measuring device 204 feedback high level or 1, and anemometry device 206 indication wind speed are greater than predetermined wind speed (25m/s), be anemometry device 206 feedback high level or 1, then logic controller 208 judges that this moves is the positioning that is subjected to windage.
When judging that bank crane occurs being subjected to the positioning of windage, this running state judgment means 200 also gives the alarm and exports brake control signal.According to embodiments of the invention, it is main body that logic controller 208 adopts 8051 series monolithics, is equipped with independently WDT circuit, in order to guarantee the reliability of control system.This Series chip is furnished with the parameter setting and shows man machine interface, convenient debugging and control.Need to prove; according to embodiments of the invention; this running state judgment means can also increase the Consideration of other parameter as decision logic; such as; consider the speed of the abnormal running of hoisting crane; the improper mobile distance of hoisting crane; and the improper mobile velocity variations trend of hoisting crane or the like; these factors can be used in different applied environments; should be for some special applied environment; such as the special harbour of landform, improper the moving in the certain limit can not work the mischief, and can eliminate voluntarily; might not need to carry out artificial brake tool this moment; for a person skilled in the art, this does not exceed protection scope of the present invention, and the present invention has proposed a kind of judging whether to be the method for improper positioning and the actv. brake tool is provided.
Continuation is with reference to figure 2, and this anti-wind system 200 also comprises,
Brake system 214 is connected to running state judgment means 212, when receiving the brake control signal that running state judgment means 212 is sent, brakes.Aforesaid, anti-wind system of the present invention adopts the mode of throwing the sand bag to brake, according to one embodiment of the invention, brake system 214 comprises: brake controller, and the brake control signal that reception running state judgment means 201 is also sent is also taked action; Sand bag throwing machine 240 by brake controller control, is thrown the sand bag and is braked between the wheel of bank crane and track when brake controller is taked to move.With reference to figure 4 and Fig. 5, Fig. 4 is the installation site scheme drawing according to the sand bag throwing machine of the anti-wind system of one embodiment of the invention, and Fig. 5 is a fundamental diagram of preventing wind system sand bag throwing machine according to an embodiment of the invention.Can take following mode to come 214: one groups of brake controllers of arrangement brake system, one group of wheel of the corresponding bank crane of wherein each; One group of sand bag throwing machine 240, in one group of brake controller of the corresponding bank crane of wherein each one, sand bag throwing machine 240 is installed in each middle interval of group wheel of bank crane, and the sand bag of its throwing drops on the track of the working direction of pairing one group of wheel.With reference to figure 4, also show the installation site of other part parts of anti-wind system 200 of the present invention among Fig. 4 simultaneously.
Continuation is with reference to figure 2, be similarly the problem that the uninterrupted power supply that satisfies the wind-proof device operation requires that solves, anti-wind system 200 of the present invention also comprises power module 210, adopts civil power and UPS to walking instruction judgment means 202, wheel speed measuring device 204, anemometry device 206, logic controller 208, warning device 212 and brake system 214 power supplies.System works is in the mains supply pattern, once the grid power blackout system changes the UPS powering mode automatically over to when mains supply.Stand-by operation power load amount according to anti-wind system of the present invention can continue more than 48 hours under the UPS supply regular power situation, and guarantees the normally implementation of wind prevention braking system.When power system restoration was powered, system changed mains supply automatically over to, and simultaneously electrical network is to the UPS reserve power of charging.
With reference to figure 3, Fig. 3 is the windproof system electrical schematic diagram according to one embodiment of the invention.Wherein show following device:
Walking instruction judgment means 202, wheel speed measuring device 204, be tachogenerator, anemometry device 206, by one group of brake controller 242a that an air velocity transducer 207 is measured in wind speed, logic controller 208, warning device 212, the brake system 214,242b, 242C, 242d.Also show charging detector switch K1, handle master cock K2, the S2 of safety switch.The electric control principle of electrical schematic diagram shown in Figure 3 is as follows:
| Sequence number | Code name | Implication | Scope | Default | Unit |
| 1 | PO | Password | 0～9999 | 0 | |
| 2 | FS | The wind speed operating value | 0～60.0 | m/s | |
| 3 | TI | Action delay | 0～9999 | S | |
| 4 | CS | Speed of a motor vehicle action initial value | 0～60.0 | m/min | |
| 5 | CH | Speed of a motor vehicle action stop value | 0～60.0 | m/min | |
| 6 | F1 | The action reason record | 2: manual 4: automatically | ||
| 7 | UF | Wind speed during action | m/s | ||
| 8 | UC | Speed of a motor vehicle during action | m/min | ||
| 9 |
Code name in the form, implication, parameter etc. further are illustrated as follows,
Code name PO provides password setting to control system, and its main purpose is the parameter setting that the non-personnel of managing can not arbitrarily change system.
Code name FS is the wind speed feedback signal that anemoscope provides, and is the air speed value when crane being set moving, and feedback signal was effective when air speed value was much, and wind speed is provided with scope in 0～60.0m/min, also can be higher.
Code name TI is the time-delay before instruction is carried out, its objective is and consider that the crane operating unit is when the hoisting crane normal operation, cart wobbling of wheels in having among a small circle, the vibration problems of cart wheel when rejecting operation, suitably the delay instruction action can be avoided misoperation, and time-delay is provided with scope in 0～9999S.
Code name CS is the crane operating unit feedback speed signal that tachogenerator records, it is the fast effective value of initial degree when crane being set moving, the influence of wobbling of wheels in the time of simultaneously also can avoiding crane job, speed of a motor vehicle action initial value is provided with scope in 0～60.0m/min, also can be higher.
Code name CH is the crane operating unit feedback speed signal that tachogenerator records, be to be provided with to be subjected to the effect that wind carries when crane normally moves, a setting value when the cart running velocity exceeds the maximum rated running velocity of hoisting crane, hypervelocity is provided with scope in 0～60.0m/min, also can be higher.
Code name F1 is that the intelligent wind-proof device of expression has carried out the differentiation after the braking maneuver, shows that current action manually still is that system finishes according to operating mode automatically, and symbol shows that 2 is manually, and symbol shows that 4 is automatic.
Code name F1, UC are after being illustrated in intelligent windproof soft brake and finishing braking maneuver (material casting), and air speed value that processor for recording was moved at that time and cart velocity amplitude are with backup system works statistics.
The row operation of going forward side by side of systematic microprocessor (8051) receiving feedback signals is handled, and sets up when the logic decision relation, just sends actuator and carries out the material casting instruction, and combined aural and visual alarm sends chimes of doom and Hong Guang Flash is bright simultaneously.Driver control sand bag storage bin, the door-opening mechanism chamber door is opened material casting, about 0.5 second of the time of whole action (open the door, material casting).
The windproof method of bank crane
According to the present invention, in conjunction with above-mentioned anti-wind system, a kind of windproof method of bank crane also is provided, be used for occurring when mobile when bank crane, judge to move and be subjected to windage or normal operation, and if be subjected to the positioning of windage, then this method also stops this to move, and this method comprises:
Judge whether the control system of bank crane sends the walking instruction;
Whether the wheel of judging bank crane rolls;
Judge that whether wind speed is greater than a predetermined wind speed; Determine predetermined wind speed according to environmental aspect and hoisting crane model specification;
According to the control system of bank crane whether send walking instruction, whether bank crane occurs moving and wind speed, judges whether to occur being subjected to the positioning of windage; In this determining step, the decision logic of employing is as follows: 1) judging having the walking instruction to produce and bank crane has mobilely, judges that then should move be normal moving; 2) judge that not walking instruction produces and bank crane does not move, judge that then bank crane is in normal condition; 3) it is mobile to judge that not walking instruction generation and bank crane have, and wind speed judges then that greater than described predetermined wind speed this moves is the positioning that is subjected to windage simultaneously.
When judging that bank crane occurs being subjected to the positioning of windage, this method also comprises and gives the alarm and export brake control signal;
When receiving alarm, report to the police; And
When receiving the brake control signal that the running state judgment means is also sent, brake, such as, throwing the sand bag brakes between the wheel of bank crane and track, more specifically, one group of sand bag throwing machine by the interval in the middle of each the group wheel that is installed in bank crane is thrown the sand bag, and the sand bag drops on the track of the working direction of pairing one group of wheel.
In the running state determination methods, adopt civil power and UPS interleaved power.
The details of the windproof method of this bank crane is corresponding with the details of the wind-proof device of aforesaid hoisting crane, just no longer is repeated in this description here.
Test result
Stop the test of acceleration/accel:
Utilize the different gear speed of 60t seat type bank crane large vehicle walking, the hoisting crane of simulating under the different wind-force moves operation, and making the anti-wind system sand bag of forcing to dish out carry out acceleration test, the different gear speed that large vehicle walking provides are chosen as 15m/min, 20m/min, 26.5m/min (this crane highest running speed is 26.5m/min) respectively.The dish out sand bag action of anti-wind system divides two kinds of operating mode throwings, and operating mode one is respectively thrown earlier next sand bag on two tracks, test stops three kinds of acceleration/accels under the speed of a motor vehicle, operating mode two, two sand bags under each is thrown on two tracks again, test stops three kinds of acceleration/accels under the speed of a motor vehicle.
The test of barrier force:
Utilize ten tons of winch preparation assembly pulley, winch is fixed in the middle of the track of 60t high pedestal jib crane place, make the elevator unit produce horizontal pull more than 40 tons the 60t high pedestal jib crane.Insert a pulling force sensor between assembly pulley and winch, test sand bag is to the barrier force of hoisting crane.
The ramming bag divides two kinds of operating mode throwings, and operating mode one is respectively thrown earlier next sand bag on two tracks, opens the walking of elevator unit pulling hoisting crane, surveys the barrier force of two sand bags to hoisting crane.Operating mode two, two sand bags under each is thrown on two tracks are opened the walking of elevator unit pulling hoisting crane again, test the barrier force of four sand bags to hoisting crane.
The result is as follows:
1) the sand bag is very good to the blocking effect of hoisting crane.When four sand bags move when stopping hoisting crane simultaneously, the hoisting crane running velocity is when 26.5m/min, the hoisting crane running velocity is reduced to zero-speed by 26.5m/min in 1～2 second time greatly, and the sand bag that lands this moment shift position hardly, whole braking reduction of speed process is impacted very mild to hoisting crane, its negative acceleration value even the accekeration when starting compared with the heavy-duty machine cart are also little.Illustrate that kinetic damping is very big mutually between sand bag and the rail wheel, but hoisting crane is not had big impact, can very effectively stop operating hoisting crane.
2) to the test result of hoisting crane operation barrier force, the sand bag is shelved on 60 tons of span winch tracks in advance, opens the walking of elevator unit pulling hoisting crane, same sand bag is the shift position hardly.
Adopt technical scheme of the present invention, can judge effectively whether bank crane is in improper the moving under the wind effect of carrying, and can occur improperly stoping this moving by throwing the sand bag when mobile, facts have proved, the sand bag can produce very big kinetic damping, can effectively stop the mobile of bank crane and not bring very big horizontal impact to hoisting crane.
Claims (20)
1. the running state judgment means of a bank crane is characterized in that, when bank crane occurs when mobile, judges that this moves positioning or the normal operation that is subjected to windage, and this running state judgment means comprises:
Walking instruction judgment means judges whether the control system of described bank crane sends the walking instruction;
The wheel speed measuring device judges whether the wheel of described bank crane rolls;
The anemometry device judges that whether wind speed is greater than a predetermined wind speed;
Logic controller is connected to described walking instruction judgment means, wheel speed measuring device, anemometry device, judges whether bank crane occurs moving, and judges that this moves positioning or the normal operation that is subjected to windage;
When judging that bank crane occurs being subjected to the positioning of windage, described running state judgment means gives the alarm and exports brake control signal.
2. the running state judgment means of bank crane as claimed in claim 1 is characterized in that, the decision logic of described logic controller comprises:
The indication of walking instruction judgment means has the walking instruction to produce, and wheel speed measuring device indication bank crane has mobile, and then logic controller judges that should move is normal operation;
Walking instruction judgment means indication not walking instruction produces, and wheel speed measuring device indication bank crane does not move, and then logic controller judges that bank crane is in normal condition;
Walking instruction judgment means indication walking instruction produces, and wheel speed measuring device indication bank crane has mobile, and anemometry device indication wind speed is greater than described predetermined wind speed, and then logic controller judges that this moves is the positioning that is subjected to windage.
3. the running state judgment means of bank crane as claimed in claim 2 is characterized in that, described predetermined wind speed is determined according to environmental aspect and hoisting crane model specification.
4. the running state judgment means of bank crane as claimed in claim 3 is characterized in that, also comprise,
Power module adopts civil power and UPS to described walking instruction judgment means, wheel speed measuring device, anemometry device and logic controller power supply.
5. the anti-wind system of a bank crane is characterized in that, when bank crane occurs when mobile, judge that this moves positioning or the normal operation that is subjected to windage, if be subjected to the positioning of windage, then described anti-wind system stops and should move, and described system comprises:
The running state judgment means comprises:
Walking instruction judgment means judges whether the control system of described bank crane sends the walking instruction;
The wheel speed measuring device judges whether the wheel of described bank crane rolls,
The anemometry device judges that whether wind speed is greater than a predetermined wind speed;
Logic controller is connected to described walking instruction judgment means, wheel speed measuring device, anemometry device, judges whether bank crane occurs moving, and judges that this moves positioning or the normal operation that is subjected to windage; When judging that bank crane occurs being subjected to the positioning of windage, described running state judgment means gives the alarm and exports brake control signal;
Warning device is connected to described running state judgment means, when receiving the alarm that the running state judgment means is sent, reports to the police;
Brake system is connected to described running state judgment means, when receiving the brake control signal that the running state judgment means is sent, brakes.
6. the anti-wind system of bank crane as claimed in claim 5 is characterized in that, the decision logic of described logic controller comprises:
The indication of walking instruction judgment means has the walking instruction to produce, and wheel speed measuring device indication bank crane has mobile, and then logic controller judges that should move is normal operation;
Walking instruction judgment means indication not walking instruction produces, and wheel speed measuring device indication bank crane does not move, and then logic controller judges that bank crane is in normal condition;
Walking instruction judgment means indication walking instruction produces, and wheel speed measuring device indication bank crane has mobile, and anemometry device indication wind speed is greater than described predetermined wind speed, and then logic controller judges that this moves is the positioning that is subjected to windage.
7. the anti-wind system of bank crane as claimed in claim 6 is characterized in that, described predetermined wind speed is determined according to environmental aspect and hoisting crane model specification.
8. the anti-wind system of bank crane as claimed in claim 7 is characterized in that, also comprise,
Power module adopts civil power and UPS to described walking instruction judgment means, wheel speed measuring device, anemometry device and logic controller power supply;
This power module is also to warning device and brake system power supply.
9. the anti-wind system of bank crane as claimed in claim 8 is characterized in that, described brake system comprises:
Brake controller, the brake control signal that reception running state judgment means is also sent is also taked action;
Sand bag throwing machine by the control of described brake controller, is thrown the sand bag and is braked between the wheel of bank crane and track when brake controller is taked to move.
10. the anti-wind system of bank crane as claimed in claim 9 is characterized in that, described brake system comprises:
One group of brake controller, one group of wheel of the corresponding bank crane of wherein each;
One group of sand bag throwing machine, in the described one group of brake controller of the corresponding bank crane of wherein each one, described sand bag throwing machine is installed in each middle interval of group wheel of bank crane, and the sand bag of its throwing drops on the track of the working direction of pairing one group of wheel.
11. the running state determination methods of a bank crane is used for occurring when mobile when bank crane, judges that this moves positioning or the normal operation that is subjected to windage, this running state determination methods comprises:
Judge whether the control system of described bank crane sends the walking instruction;
Whether the wheel of judging described bank crane rolls,
Judge that whether wind speed is greater than a predetermined wind speed;
According to the control system of bank crane whether send walking instruction, whether bank crane occurs moving and wind speed, judges whether to occur being subjected to the positioning of windage;
When judging that bank crane occurs being subjected to the positioning of windage, this method also comprises and gives the alarm and export brake control signal.
12. the running state determination methods of bank crane as claimed in claim 11, it is characterized in that, whether described control system according to bank crane sends walking instruction, whether bank crane occurs moving and wind speed, and the positioning that judges whether to occur to be subjected to windage comprises:
It is mobile that judgement having the instruction of walking generation and bank crane to have, and judges that then being somebody's turn to do mobile is normal operation;
Judge that not walking instruction produces and bank crane does not move, judge that then bank crane is in normal condition;
It is mobile to judge that not walking instruction generation and bank crane have, and wind speed judges then that greater than described predetermined wind speed this moves is the positioning that is subjected to windage simultaneously.
13. the running state judgment means of bank crane as claimed in claim 12 is characterized in that, described predetermined wind speed is determined according to environmental aspect and hoisting crane model specification.
14. the running state determination methods of bank crane as claimed in claim 13 is characterized in that, adopts civil power and UPS interleaved power.
15. the windproof method of a bank crane is used for occurring when mobile when bank crane, judge that this moves positioning or the normal operation that is subjected to windage, and if be subjected to the positioning of windage, then this method stops also this to move, this method comprises:
Judge whether the control system of described bank crane sends the walking instruction;
Whether the wheel of judging described bank crane rolls, and moves
Judge that whether wind speed is greater than a predetermined wind speed;
According to the control system of bank crane whether send walking instruction, whether bank crane occurs moving and wind speed, judges whether to occur being subjected to the positioning of windage;
When judging that bank crane occurs being subjected to the positioning of windage, this method also comprises and gives the alarm and export brake control signal simultaneously;
When receiving alarm, report to the police; And
When receiving the brake control signal that the running state judgment means is sent, brake.
16. the windproof method of bank crane as claimed in claim 15 is characterized in that, and is described
According to the control system of bank crane whether send walking instruction, whether bank crane occurs moves
Moving and wind speed, the positioning that judges whether to occur to be subjected to windage comprises:
It is mobile that judgement having the instruction of walking generation and bank crane to have, and judges that then being somebody's turn to do mobile is normal operation;
Judge that not walking instruction produces and bank crane does not move, judge that then bank crane is in normal condition;
It is mobile to judge that not walking instruction generation and bank crane have, and wind speed judges then that greater than described predetermined wind speed this moves is the positioning that is subjected to windage simultaneously.
17. the windproof method of bank crane as claimed in claim 16 is characterized in that, described predetermined wind speed is determined according to environmental aspect and hoisting crane model specification.
18. the windproof method of bank crane as claimed in claim 17 is characterized in that, also comprises, adopts civil power and UPS interleaved power.
19. the windproof method of bank crane as claimed in claim 18 is characterized in that, described braking step comprises:
Throwing the sand bag brakes between the wheel of bank crane and track.
20. the windproof method of bank crane as claimed in claim 19 is characterized in that, described braking step comprises:
One group of sand bag throwing machine by the interval in the middle of each the group wheel that is installed in bank crane is thrown the sand bag, and the sand bag drops on the track of the working direction of pairing one group of wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101176764A CN100455506C (en) | 2006-10-27 | 2006-10-27 | Wind proof system of shoreside crane and wind proof method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101176764A CN100455506C (en) | 2006-10-27 | 2006-10-27 | Wind proof system of shoreside crane and wind proof method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1948115A true CN1948115A (en) | 2007-04-18 |
| CN100455506C CN100455506C (en) | 2009-01-28 |
Family
ID=38017760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101176764A Expired - Fee Related CN100455506C (en) | 2006-10-27 | 2006-10-27 | Wind proof system of shoreside crane and wind proof method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100455506C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101580209B (en) * | 2009-06-01 | 2012-05-30 | 南京市特种设备安全监督检验研究院 | Windproof safety device of rail-mounted crane |
| CN104444409A (en) * | 2014-10-10 | 2015-03-25 | 中国神华能源股份有限公司 | Method and device used for controlling stacker to travel to anchoring position |
| CN104880331A (en) * | 2015-04-02 | 2015-09-02 | 苏州中州安勃起重有限公司 | Crane wind load simulation test use method |
| CN107500138A (en) * | 2017-08-15 | 2017-12-22 | 中船第九设计研究院工程有限公司 | A kind of large-sized gantry crane automated parking system |
| CN109052175A (en) * | 2018-08-30 | 2018-12-21 | 上海振华重工(集团)股份有限公司 | Crane Windproof system condition detection method and detection device |
| CN110182689A (en) * | 2019-05-06 | 2019-08-30 | 广东博智林机器人有限公司 | For the wind-proof device of row crane, row crane system and windproof method |
| WO2021091367A1 (en) * | 2019-11-06 | 2021-05-14 | Newport Technologies Sdn Bhd | A crane monitoring, warning and protection system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2082265U (en) * | 1990-12-25 | 1991-08-07 | 董亚鹏 | Wind screened controller for crane |
| CN2209667Y (en) * | 1994-08-19 | 1995-10-11 | 上海合力机电五金公司 | Windproof braker of lifter operating mechanism |
| JPH08324965A (en) * | 1995-05-26 | 1996-12-10 | Taisei Corp | Turning brake automatic releasing device for crane |
| JP2002068668A (en) * | 2000-08-29 | 2002-03-08 | Sumitomo Heavy Industries Construction Crane Co Ltd | Wind speed display device in crane |
| CN2745904Y (en) * | 2004-10-25 | 2005-12-14 | 上海港机重工有限公司 | Windproof device of lifter |
| JP4050740B2 (en) * | 2004-12-08 | 2008-02-20 | 株式会社コシハラ | Escape prevention device for lifting machine |
| CN201002926Y (en) * | 2006-10-27 | 2008-01-09 | 上海港机重工有限公司 | Operating state judging device for bank crane and windbreak system |
-
2006
- 2006-10-27 CN CNB2006101176764A patent/CN100455506C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101580209B (en) * | 2009-06-01 | 2012-05-30 | 南京市特种设备安全监督检验研究院 | Windproof safety device of rail-mounted crane |
| CN104444409A (en) * | 2014-10-10 | 2015-03-25 | 中国神华能源股份有限公司 | Method and device used for controlling stacker to travel to anchoring position |
| CN104880331A (en) * | 2015-04-02 | 2015-09-02 | 苏州中州安勃起重有限公司 | Crane wind load simulation test use method |
| CN107500138A (en) * | 2017-08-15 | 2017-12-22 | 中船第九设计研究院工程有限公司 | A kind of large-sized gantry crane automated parking system |
| CN109052175A (en) * | 2018-08-30 | 2018-12-21 | 上海振华重工(集团)股份有限公司 | Crane Windproof system condition detection method and detection device |
| CN110182689A (en) * | 2019-05-06 | 2019-08-30 | 广东博智林机器人有限公司 | For the wind-proof device of row crane, row crane system and windproof method |
| WO2021091367A1 (en) * | 2019-11-06 | 2021-05-14 | Newport Technologies Sdn Bhd | A crane monitoring, warning and protection system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100455506C (en) | 2009-01-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1948115A (en) | Wind proof system of shoreside crane and wind proof method | |
| CN201002926Y (en) | Operating state judging device for bank crane and windbreak system | |
| CN1079078C (en) | High-safety protecting system and method for monitoring running state of tower crane | |
| CN104763581B (en) | Tidal current energy generator set and yawing method thereof | |
| CN103043534A (en) | Tower crane hoisting and speed control system and speed control method thereof | |
| CN106758951A (en) | A kind of embedded automatic lifting berth lock | |
| EP3542055A1 (en) | Operating wind turbine above rating during low erosion conditions | |
| CN206753815U (en) | A kind of wind-driven generator with overspeed protection device | |
| CN102251919B (en) | Vertical axis resistance-type revolution-door-type wind driven generator | |
| CN103939507A (en) | Method and device for detecting braking capability of brake | |
| CN208564859U (en) | A kind of intelligent wind power generating equipment | |
| CN107630784A (en) | A kind of closing method for fixed pitch wind power generating set | |
| CN108825433B (en) | Yaw brake device for wind generating set and wind generating set | |
| CN207699130U (en) | A kind of direct current steel cable elevator | |
| CN201705556U (en) | Intelligently controlled wind driven generator braking system | |
| CN208918746U (en) | A kind of megawatt-level wind unit prevents hypervelocity driving, falls the yawer of tower | |
| CN103692436B (en) | Climb cable robot | |
| CN107701372A (en) | A kind of wind power generating set self-protection control method become under oar Actuators Failures | |
| CN107740754A (en) | A kind of transmission device used for wind-energy power generation | |
| CN215666852U (en) | Multi-section hoisting machinery overspeed protection device | |
| CN200992695Y (en) | Movable rolling shaft throwing block raft | |
| CN111237121B (en) | Subway tunnel wind power generation device with double-wind-wheel wind energy capturing and spring energy storage structure | |
| CN101205871A (en) | Wind power generation yaw system | |
| CN102107806A (en) | Protecting method for mounting propeller on elevator | |
| CN201611306U (en) | Low-power yawing test system of wind generating set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090128 Termination date: 20101027 |