阅读说明：本技术 智能塔吊 (Intelligent tower crane ) 是由 黄秋逢 于 2018-05-23 设计创作，主要内容包括：一种智能塔吊,包括起重臂、固定于起重臂的一端的卷筒、与卷筒连接的起升电机、固定于起重臂的另一端的滑轮、以及吊钩,卷筒的牵引绳绕过滑轮与吊钩连接,所述智能塔吊还包括：3D摄像模组,设置于牵引绳或吊钩上,3D摄像模组包括朝向吊钩的第一3D摄像单元以及背离吊钩的第二3D摄像单元,第一3D摄像单元以及第二3D摄像单元各用于实时获取处于拍摄范围内的影像；控制器,用于在吊钩吊起负载做下降运动时获取第一3D摄像单元所拍摄的影像,在吊钩吊起负载做上升运动时获取第二3D摄像单元所拍摄的影像,然后检测所述影像中是否包括障碍物的影像,当所述影像中包括障碍物的影像时,控制器控制起升电机降低运转的速度或停止运行。(A kind of intelligent tower crane, including crane arm, the one end for being fixed on crane arm reel, connect with reel hoisting motor, be fixed on crane arm the other end pulley and suspension hook, the traction rope of reel connect around pulley with suspension hook, the intelligent tower crane further include: 3D camera module, it is set on traction rope or suspension hook, 3D camera module includes respectively being used for the image obtained in coverage in real time towards the first 3D camera unit of suspension hook and away from the 2nd 3D camera unit of suspension hook, the first 3D camera unit and the 2nd 3D camera unit；Controller, image captured by the first 3D camera unit is obtained for slinging when descending motion is done in load in suspension hook, it is sling when ascending motion is done in load in suspension hook and obtains image captured by the 2nd 3D camera unit, then detect in the image whether include barrier image, when in the image including the image of barrier, controller, which controls hoisting motor, reduces the speed or out of service of operating.)

1. a kind of intelligent tower crane is connect including a crane arm, a reel of the one end for being fixed on the crane arm, with the reel A hoisting motor, be fixed on the crane arm the other end a pulley and a suspension hook, the traction rope of the reel bypasses The pulley is connect with the suspension hook, which is characterized in that the intelligent tower crane further include:

One 3D camera module is set on the traction rope or the suspension hook, and the 3D camera module includes towards the suspension hook One the oneth 3D camera unit and one the 2nd 3D camera unit away from the suspension hook, the first 3D camera unit and institute It states the 2nd 3D camera unit and is respectively used for the image obtained in its coverage in real time；And

One controller is all connected with the 3D camera module and the hoisting motor, and the controller is used in the suspension hook It slings load and obtains image captured by the first 3D camera unit when doing descending motion, and sling in the suspension hook described Load obtains image captured by the 2nd 3D camera unit when doing ascending motion, then detect in the image whether include The image of barrier, when in the image including the image of barrier, the controller, which controls the hoisting motor, reduces fortune The speed or out of service turned.

2. intelligent tower crane as described in claim 1, which is characterized in that do descending motion towards the load in the suspension hook When, the controller be also used to detect in image captured by the first 3D camera unit whether include the load shadow Picture, when in the image not including the image of the load, the controller controls the hoisting motor to be greater than or equal to The speed of one first predetermined speed operates, when in the image including the image of the load, described in the controller control Hoisting motor is operated with the speed for being less than first predetermined speed.

3. intelligent tower crane as described in claim 1, which is characterized in that the intelligent tower crane further includes connecting with the controller A wireless communication interface, interface is communicated the intelligent tower crane with a main control device of monitoring center by wireless communication, When in the image including the image of barrier, the controller is also used to generate an alarm signal, and by the alarm signal Number the main control device is sent to by the wireless communication interface, the alarm signal is for controlling the main control device report It is alert.

4. intelligent tower crane as claimed in claim 3, which is characterized in that the controller is also used to sling in the suspension hook described When descending motion is done in load, a First Speed of the traction rope and a second speed of the suspension hook are obtained, and judge institute State whether First Speed is greater than the second speed, when the First Speed is greater than the second speed, the controller control Making the hoisting motor reduces the speed of operating, to reduce the speed of the spool turns until the First Speed is equal to institute State second speed.

5. intelligent tower crane as claimed in claim 4, which is characterized in that when the First Speed is greater than the second speed, The controller is also used to generate an alarm signal, and the alarm signal is sent to by the wireless communication interface described Main control device, the alarm signal is for controlling the main control device alarm.

6. intelligent tower crane as claimed in claim 3, which is characterized in that the intelligent tower crane further includes connecting with the controller A weight sensor, the weight sensor is set on the traction rope, and the weight sensor is used in the suspension hook The weight that the load is sensed when the load is sling, the controller obtains the load that the weight sensor is sensed Weight, when the weight of the load is less than first predetermined weight, the controller controls the hoisting motor to be greater than Or operated equal to the speed of one second predetermined speed, when the weight of the load is greater than or equal to first predetermined weight, The controller controls the hoisting motor to be less than the speed of second predetermined speed and operate.

7. intelligent tower crane as claimed in claim 6, which is characterized in that when the weight of the load is greater than or equal to one second in advance When determining weight, the controller control hoisting motor is out of service, and the controller is also used to the weight when the load An alarm signal is generated when more than or equal to second predetermined weight, and the alarm signal is connect by the wireless communication Mouth is sent to the main control device, and the alarm signal is for controlling the main control device alarm.

8. intelligent tower crane as claimed in claim 3, which is characterized in that the intelligent tower crane further includes a wire breakage detector, The wire breakage detector includes a microswitch, and the microswitch includes a Switch main body and one touches piece, described to open Closing ontology includes two contacts, the wherein contact touched piece and be connected to the Switch main body by a fixing end, described The free end that piece has the corresponding fixing end is touched, the traction rope setting is closed in the free end, the microswitch The connection at the free end drawn fracture of rope and stir the touch piece of two contacts.

9. intelligent tower crane as claimed in claim 8, which is characterized in that the controller is connect with the wire breakage detector, The controller is also used to generate an alarm signal when the microswitch is connected, and the alarm signal is passed through the nothing Line communication interface is sent to the main control device, and the alarm signal is for controlling the main control device alarm.

10. intelligent tower crane as claimed in claim 3, which is characterized in that the intelligent tower crane further includes a locator, described fixed Position device is installed on the end of the crane arm, and the locator is used to sense the position coordinates of the crane arm, the locator It is also used to that the position coordinates of the crane arm are sent to the monitoring center by the wireless communication interface, so that institute It states monitoring center and the position coordinates of the crane arm of different intelligent tower crane is done and summarize, the locator also connects with the controller It connects, the controller is used to obtain the position coordinates for the crane arm that locator is sensed, and obtains the monitoring center institute One electronic map of the operating environment of drafting, the electronic map include the position coordinates and barrier of other intelligent tower cranes Position coordinates, the controller are used to judge the Intelligent tower according to the position coordinates and the electronic map of the crane arm It whether in a safe condition hangs.

11. intelligent tower crane as claimed in claim 10, which is characterized in that the controller is also used to according to the crane arm Position coordinates and the electronic map plan that an emergency route, the emergency route are to be sat by the current position of the crane arm Mark to the route for enabling to the intelligent tower crane in a safe condition between a target location coordinate, the controller also according to The emergency route controls the intelligent tower crane and executes corresponding operation, so that the crane arm is transported along the emergency route It moves to target location coordinate.

Technical field

The present invention relates to tower crane more particularly to a kind of intelligent tower cranes.

Background technique

Tower crane (also known as: derrick crane or tower crane) is due to lifting altitude is high, hoisting moment is big, work range is big etc. Feature is widely used in industry and civil buildings construction.In the tower crane course of work, more serious thing often occurs Therefore to it seriously threaten the life of worker and the property safety in construction site.For example, when suspension hook slings what load moved up and down In the process, it usually needs whether there are obstacles in the motion range of tower crane driver observation suspension hook to prevent load and barrier It collides and falls.However, since there are a certain distance between driver and suspension hook, so that driver is difficult to see clearly often The case where around Chu's suspension hook.Even if assisting commanding by other operating personnels of ground, this mode manually commanded there is also Very big security risk.

Summary of the invention

In view of this, being able to solve problem above it is necessary to provide a kind of intelligent tower crane.

The present invention provides a kind of intelligent tower crane, including a crane arm, the one end for being fixed on the crane arm a reel, with One hoisting motor of reel connection, be fixed on the crane arm the other end a pulley and a suspension hook, the reel Traction rope connect with the suspension hook around the pulley, the intelligent tower crane further include: a 3D camera module, be set to described in On traction rope or the suspension hook, the 3D camera module includes towards one the oneth 3D camera unit of the suspension hook and away from institute One the 2nd 3D camera unit of suspension hook is stated, the first 3D camera unit and the 2nd 3D camera unit are respectively used to obtain in real time Take the image in its coverage；And a controller, it is all connected with the 3D camera module and the hoisting motor, The controller, which is used to sling when descending motion is done in load in the suspension hook, obtains shadow captured by the first 3D camera unit Picture, and sling when ascending motion is done in the load in the suspension hook and obtain image captured by the 2nd 3D camera unit, Then detect in the image whether include barrier image, when in the image including the image of barrier, the control Device processed, which controls the hoisting motor, reduces the speed or out of service of operating.

Preferably, when the suspension hook does descending motion towards the load, the controller is also used to detect described the In image captured by one 3D camera unit whether include the load image, when not including the load in the image When image, the controller controls the hoisting motor to be greater than or equal to the speed of one first predetermined speed and operate, when described When including the image of the load in image, the controller controls the hoisting motor to be less than first predetermined speed Speed operating.

Preferably, the intelligent tower crane further includes the wireless communication interface connecting with the controller, the Intelligent tower It hangs interface by wireless communication to be communicated with a main control device of monitoring center, when the image in the image including barrier When, the controller is also used to generate an alarm signal, and the alarm signal is sent to by the wireless communication interface The main control device, the alarm signal is for controlling the main control device alarm.

Preferably, the controller is also used to lead described in acquisition when the suspension hook slings the load and does descending motion One First Speed of messenger and a second speed of the suspension hook, and judge whether the First Speed is greater than second speed Degree, when the First Speed is greater than the second speed, the controller, which controls the hoisting motor, reduces the speed of operating, To reduce the speed of the spool turns until the First Speed is equal to the second speed.

Preferably, when the First Speed is greater than the second speed, the controller is also used to generate an alarm signal Number, and the alarm signal is sent to the main control device by the wireless communication interface, the alarm signal is for controlling Make the main control device alarm.

Preferably, the intelligent tower crane further includes the weight sensor connecting with the controller, the weight sensing Device is set on the traction rope, and the weight sensor is for sensing the load when the suspension hook slings the load Weight, the controller obtain the weight for the load that the weight sensor is sensed, when the weight of the load is less than When one first predetermined weight, the controller controls the hoisting motor to be greater than or equal to the speed of one second predetermined speed and transport Turn, when the weight of the load is greater than or equal to first predetermined weight, the controller control the hoisting motor with Speed less than second predetermined speed operates.

Preferably, when the weight of the load is greater than or equal to second predetermined weight, described in the controller control Hoisting motor is out of service, and the controller is also used to when the weight of the load is greater than or equal to second predetermined weight An alarm signal is generated, and the alarm signal is sent to the main control device, the report by the wireless communication interface Alert signal is for controlling the main control device alarm.

Preferably, the intelligent tower crane further includes a wire breakage detector, and the wire breakage detector includes that a fine motion is opened It closes, the microswitch includes a Switch main body and one touches piece, and the Switch main body includes two contacts, the touch piece A wherein contact for the Switch main body, the freedom touched piece and there is the corresponding fixing end are connected to by a fixing end The traction rope setting is closed in end, the free end, and two contacts of the microswitch in the traction fracture of rope and are stirred It is connected when the free end for touching piece.

Preferably, the controller and the wire breakage detector communicate to connect, and the controller is also used to described micro- An alarm signal is generated when dynamic switch connection, and the alarm signal is sent to the master control by the wireless communication interface Equipment, the alarm signal is for controlling the main control device alarm.

Preferably, the intelligent tower crane further includes a locator, and the locator is installed on the end of the crane arm, institute Locator is stated for sensing the position coordinates of the crane arm, the locator is also used to institute through the wireless communication interface The position coordinates for stating crane arm are sent to the monitoring center, so that lifting of the monitoring center to different intelligent tower crane The position coordinates of arm, which are done, to summarize, and the locator is also communicated to connect with the controller, and the controller is for obtaining locator The position coordinates of the crane arm sensed, and an electronic map of the operating environment that the monitoring center is drawn is obtained, The electronic map includes the position coordinates of other intelligent tower cranes and the position coordinates of barrier, and the controller is used for basis The position coordinates of the crane arm and the electronic map judge whether the intelligent tower crane is in a safe condition.

Preferably, the controller is also used to according to the position coordinates of the crane arm and electronic map planning one Emergency route, the emergency route are to be enabled to by the current position coordinates of the crane arm between a target location coordinate Intelligent tower crane route in a safe condition, the controller control the intelligent tower crane also according to the emergency route and hold Row corresponding operation, so that the crane arm moves at target location coordinate along the emergency route.

Compared to the prior art, the intelligent tower crane is sling in the suspension hook judges institute during load moves up and down State around load that whether there are obstacles, and there are control the hoisting motor when barrier to reduce around the load The speed of operating is out of service, to prevent the load from colliding with barrier, guarantees the safety of the intelligent tower crane The security of the lives and property of operation and operating personnel.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the intelligent tower crane of a better embodiment of the invention.

Fig. 2 is the module rack composition of intelligent tower crane shown in FIG. 1.

Fig. 3 is the structural schematic diagram of the wire breakage detector of intelligent tower crane shown in FIG. 1.

Symbol description

The present invention that the following detailed description will be further explained with reference to the above drawings.

Specific embodiment

Referring to Fig. 1, a better embodiment of the invention provides a kind of intelligent tower crane 100.The intelligent tower crane 100 includes One pedestal 10, the crane arm 12 being fixed on the tower body 11, is fixed on institute at the tower body 11 being fixed on the pedestal 10 The reel 13 for stating one end of crane arm 12, is fixed on the crane arm 12 at the hoisting motor 14 connecting with the reel 13 The other end a pulley 15 and a suspension hook 16.Wherein, the traction rope 17 of the reel 13 around the pulley 15 with it is described Suspension hook 16 connects.The hoisting motor 14 carrys out back rotation for controlling the reel 13 in the running, and drives the reel 13 On traction rope 17 move into or release so that the suspension hook 16, which slings load, 300 and realizes lifting.Certainly, the tower body 11 with It can also be equipped with single-revolution mechanism (not shown) between the crane arm 12, can also be set between the crane arm 12 and the suspension hook 16 There is an amplitude variation trolley (not shown), existing design can be used in the swing mechanism and the amplitude variation trolley, this is not repeated.

Referring to Figure 2 together, the intelligent tower crane 100 further includes a wireless communication interface 20 and a controller 30.Its In, the wireless communication interface 20 and the controller 30 may be disposed on the tower body 11 or the crane arm 12.It is described Intelligent tower crane 100 can be carried out wireless communication by the wireless communication interface 20 and a monitoring center 200 on ground.The monitoring Center 200 includes the main control device 201 with function of wireless remote control, such as: remote controler, smart phone and tablet computer.Make Industry personnel can be controlled the intelligent tower crane 100 by the main control device 201 and execute corresponding operation, that is, control the intelligence Tower crane 100 executes the operation such as raising, luffing and revolution.Specifically: the hoisting motor 14, the swing mechanism and the change Width trolley is electrically connected with the controller 30.Operating personnel is according to the real work of intelligent tower crane 100 needs pressing The corresponding key of main control device 201, so that triggering the main control device 201 generates coded telecommand letter corresponding with the key Number, and the coded telecommand signal is sent to the wireless communication interface 20.The controller 30 obtains the wireless communication and connects The 20 received coded telecommand signals of institute of mouth, are decoded the coded telecommand signal, then according to decoded remote signal The hoisting motor 14, the swing mechanism or the amplitude variation trolley for controlling the intelligent tower crane 100 execute corresponding operation. Wherein, the wireless communication interface 20 can be used Wi-Fi, bluetooth or infrared technique etc. and carry out wireless communication.Due to operating personnel It can be communicated by the monitoring center 200 with the intelligent tower crane 100, avoid traditional drivers' cab control mode, thus All kinds of operational risks are avoided to threaten the security of the lives and property of operating personnel.

The intelligent tower crane 100 further includes the 3D camera module 40 with the controller 30 communication connection, e.g., the 3D Camera module 40 is 3D wireless camera mould group, can be communicated by the wireless communication interface 20 with the controller 30. The 3D camera module 40 can close on the traction rope 17 and be arranged towards the end of the suspension hook 16, may be alternatively located at the suspension hook 16 On.For example, the end of the traction rope 17 towards the suspension hook 16 can fix a support plate 43, the 3D camera module 40 is fixed In in the support plate 43.Wherein, the 3D camera module 40 includes being located at table of the support plate 43 towards the suspension hook 16 The first 3D camera unit 41 in face, and one the 2nd 3D camera shooting positioned at the support plate 43 away from the surface of the suspension hook 16 are single Member 42.To improve the stability that the support plate 43 is connect with the traction rope 17, the support plate 43 can also pass through other two A connecting line (figure is not marked) is fixed on the traction rope 17, to form a more firm triangular connection structure.Described One 3D camera unit 41 for obtaining the image in 41 coverage of the first 3D camera unit in real time.2nd 3D Camera unit 42 for obtaining the image in 42 coverage of the 2nd 3D camera unit in real time.The controller 30 is used Image captured by the first 3D camera unit 41 is obtained in slinging when descending motion is done in load 300 in the suspension hook 16, with And it is sling when ascending motion is done in the load 300 in the suspension hook 16 and obtains shadow captured by the 2nd 3D camera unit 42 Picture, then detect in the image whether include barrier image.When in the image including the image of barrier (that is, When the load 300 is closer apart from the barrier), the controller 30, which controls the hoisting motor 14, reduces the speed of operating Or it is out of service, so that the load 300 be avoided to collide with barrier, guarantee the safe operation of the intelligent tower crane 100 And the security of the lives and property of operating personnel.In the present embodiment, the first 3D camera unit 41 and the 2nd 3D Camera unit 42 can be CCD stereo camera.Further, when in the image including the image of barrier, the control Device 30 processed is also used to generate one first alarm signal, and first alarm signal is sent by the wireless communication interface 20 To the main control device 201, first alarm signal is alarmed for controlling the main control device 201, to notify ground Operating personnel removes barrier in time.

In the present embodiment, the hoisting motor 14 is a multispeed electric machine.The controller 30 can control the raising The speed of the switching operating of motor 14, to change the speed that the traction rope 17 or the suspension hook 16 are gone up and down.For example, described Hoisting motor 14 can be four speed motors, that is, can convert four kinds of speeds of service.

The suspension hook 16 towards it is described load 300 do descending motion when (that is, do not sling it is described load 300 before), institute State controller 30 be also used to detect in image captured by the first 3D camera unit 41 whether include the load 300 shadow Picture.When do not include in the image it is described load 300 image when (that is, the suspension hook 16 apart from it is described load 300 farther out when), The controller 30 controls the hoisting motor 14 to be greater than or equal to the speed of one first predetermined speed and operate, to control institute It states suspension hook 16 and quickly does descending motion.When in the image including the image of the load 300 (that is, 16 distance of the suspension hook It is described load 300 it is closer when), the controller 30 control the hoisting motor 14 be less than first predetermined speed speed Operating, so that controlling the suspension hook 16 does at a slow speed descending motion, enables the suspension hook 16 more accurately to launch the load At 300, the efficiency of lifting is improved.

The traction rope 17 is equipped with a First Speed sensor 61, and the suspension hook 16 is equipped with a second speed sensor 62, the First Speed sensor 61 and the second speed sensor 62 are communicated to connect with the controller 30, e.g., institute It states First Speed sensor 61 and the second speed sensor 62 can be by the wireless communication interface 20 and the control Device 30 is communicated.The First Speed sensor 61 is used for when the suspension hook 16 slings the load 300 and does descending motion Sense the speed (hereinafter referred to as: First Speed) that the traction rope 17 moves.The second speed sensor 62 is used for described Suspension hook 16 slings the load 300 and does the speed (hereinafter referred to as: second speed) for sensing the movement of suspension hook 16 when descending motion. The controller 30 obtains the First Speed that the First Speed sensor 61 is sensed, and obtains the second speed sensor 62 The second speed sensed, and judge whether the First Speed is greater than the second speed.When the First Speed is greater than institute When stating second speed, indicate that the suspension hook 16 may be detached from the traction rope 17 in decline, at this point, the controller 30 is controlled Making the hoisting motor 14 reduces the speed of operating, to reduce the speed of the rotation of reel 13 until described First Speed etc. In the second speed.Further, when the First Speed is greater than the second speed, the controller 30 is also used to produce Raw one second alarm signal, and second alarm signal is sent to the main control device by the wireless communication interface 20 201, second alarm signal is alarmed for controlling the main control device 201, to notify to hang described in the operating personnel of ground Hook 16 may be detached from the traction rope 17.In other embodiments, the First Speed sensor 61 can also omit, this When, the controller 30 obtains the speed that the hoisting motor 14 currently operates, and the speed run according to the hoisting motor 14 Degree calculates the First Speed of the traction rope 17.

In the present embodiment, the intelligent tower crane 100 further includes passing with a weight of the controller 30 communication connection Sensor 50, e.g., the weight sensor 50 can be communicated by the wireless communication interface 20 with the controller 30.It is described Weight sensor 50 is set on the traction rope 17.The weight sensor 50 is used to sling the load in the suspension hook 16 The weight of the load 300 is sensed when 300.The controller 30 obtains the load that the weight sensor 50 is sensed 300 weight.When the weight of the load 300 is less than first predetermined weight, the controller 30 controls the raising electricity Machine 14 is operated with the speed for being greater than or equal to one second predetermined speed, to control 16 rapid increase of suspension hook.When described negative When the weight of load 300 is greater than or equal to first predetermined weight, the controller 30 controls the hoisting motor 14 to be less than The speed of second predetermined speed operates, so that the suspension hook 16 rises at a slow speed.First predetermined speed and described second Predetermined speed may be the same or different.In another embodiment, when the weight of the load 300 is greater than or equal to one When the second predetermined weight (i.e. safety weight), it is out of service that the controller 30 directly controls the hoisting motor 14, to prevent Only 300 weight of the load are excessive and traction rope 17 is caused to be broken.Further, when the weight of the load 300 is greater than Or when being equal to second predetermined weight, the controller 30 is also used to generate a third alarm signal, and by the third report Alert signal is sent to the main control device 201 by the wireless communication interface 20, and the third alarm signal is for controlling institute The alarm of main control device 201 is stated, to notify 300 weight of operating personnel's present load excessive.

The traction rope 17 is formed by multiply wire rod is twisted, and the material of the traction rope 17 can be stainless steel.It is appreciated that Even if the weight of the load 300 is no more than the safety weight, the traction rope 17 may also can be due to long-term with pulley 15 Fatigue fracture occurs for the factors such as friction.In the present embodiment, the intelligent tower crane 100 further includes a wire breakage detector 70, The wire breakage detector 70 is fixed on the amplitude variation trolley, for detecting whether the traction rope 17 is broken.It please one And referring to Fig. 3, the wire breakage detector 70 includes the microswitch 71 being fixed on the amplitude variation trolley and is connected to One alarm 72 of the microswitch 71.The microswitch 71 includes that a Switch main body 710 and one touches piece 711, institute Stating Switch main body 710 includes two contacts 7100, and the touch piece 711 is fixed on the Switch main body by a fixing end 7110 A 710 wherein contact 7100.The input terminal and output end of the alarm 72 are connected to the two of the Switch main body 710 A contact 7100.The piece 711 that touches has the free end 7111 for corresponding to the fixing end 7110, and the free end 7111 is faced The nearly traction rope 17 is arranged.When at least one wire rod of the traction rope 17 is broken, the strand material of fracture can be by It is gradually exposed, the free end 7111 for touching piece 711 can be stirred when exposed wire rod is by touching piece 711 and is swung, to connect Lead to two contacts 7100 of the microswitch 71 so that the alarm 72 is alarmed.In the present embodiment, the alarm Device 72 can be buzzer siren or indicator light, that is, light (such as feux rouges) occurs for the capable of emitting buzz of the alarm 72, thus It notifies operating personnel to be abnormal failure and timely processing need to be done.In other embodiments, the alarm 72 can omit, institute It states controller 30 and the wire breakage detector 70 communicates to connect.The controller 30 is also used to connect in the microswitch 71 When generate one the 4th alarm signal, and the 4th alarm signal is sent to the master control by the wireless communication interface 20 Equipment 201, the 4th alarm signal is alarmed for controlling the main control device 201, so that operating personnel be notified to be abnormal Failure.

In the present embodiment, the intelligent tower crane 100 may also include a locator 80, and the locator 80 is mountable to The end of the crane arm 12.The locator 80 is used to sense the position coordinates of the crane arm 12.The locator 80 is also For the position coordinates of the crane arm 12 to be sent to the monitoring center 200 by the wireless communication interface 20, thus Summarize so that the monitoring center 200 does the position coordinates of the crane arm 12 of different intelligent tower crane 100.The monitoring center 200 also record the position coordinates for having the barrier in the operating environment of the intelligent tower crane 100, thus according to all intelligent tower cranes The position coordinates of 100 crane arm 12 and the position coordinates of barrier draw an electronic map.The locator 80 also with institute The communication connection of controller 30 is stated, e.g., the locator 80 can be carried out by the wireless communication interface 20 with the controller 30 Communication.The controller 30 is used to obtain the position coordinates for the crane arm 12 that locator 80 is sensed, and obtains the prison The electronic map for the operating environment that control center 200 is drawn, according to the position coordinates of the crane arm 12 and it is described electronically Figure judges whether the intelligent tower crane 100 is in a safe condition, e.g., when position coordinates and the wherein obstacle of the crane arm 12 When the distance between position coordinates of object are greater than a default safe distance, then judge that the intelligent tower crane 100 is in a safe condition. The controller 30 can also plan an emergency route according to the position coordinates of the crane arm 12 and the electronic map, described Emergency route is by the current position coordinates of the crane arm 12 to enabling to the Intelligent tower between a target location coordinate Hang 100 routes in a safe condition.The controller 30 controls the intelligent tower crane 100 also according to the emergency route and executes The operation such as raising, luffing or revolution, so that the crane arm 12 moves at target location coordinate along the emergency route. In the present embodiment, the locator 80 can be GPS locator, that is, the position coordinates are GPS coordinate.In other realities It applies in mode, the locator 80 can also be the locator of other global position systems.

Those skilled in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention, And be not used as limitation of the invention, as long as within spirit of the invention, it is to the above embodiments Appropriate change and variation are all fallen within the scope of protection of present invention.