CN211004297U - Monitoring system of crawler crane - Google Patents
Monitoring system of crawler crane Download PDFInfo
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- CN211004297U CN211004297U CN201921045529.XU CN201921045529U CN211004297U CN 211004297 U CN211004297 U CN 211004297U CN 201921045529 U CN201921045529 U CN 201921045529U CN 211004297 U CN211004297 U CN 211004297U
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- crawler crane
- controller
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- monitoring system
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Abstract
The utility model discloses a crawler crane's monitoring system relates to the lifting device field. The method comprises the following steps: the display is arranged in a cab of the crawler crane; the controller is electrically connected with the display; sensing subassembly, connection controller, sensing subassembly specifically includes: the inclination angle sensor is arranged on a large arm of the crawler crane; the encoder is arranged on the large arm; the pressure sensor is arranged on a pull arm of the crawler crane; the tension sensor is arranged on a pull rope of the crawler crane and close to the position of the pull arm; the wind speed sensor is arranged at the top of the large arm; the sensor assembly sends the acquired data to the controller. Has the following beneficial effects: the crawler crane has the advantages of convenience in installation, high measurement precision, good stability, high integration level, great reduction of cost and guarantee of the whole operation safety of the crawler crane.
Description
Technical Field
The utility model relates to a lifting device especially relates to a crawler crane's monitoring system.
Background
The crawler crane is a self-propelled crane for high-rise building construction, and is a movable arm rotating crane which runs by using a crawler. The crawler belt has large ground area, good trafficability characteristic and strong adaptability, can travel with load, is suitable for hoisting operation of building sites, can also carry out various operations such as digging, ramming, piling and the like, plays an important role in building engineering, but also has very important safety.
The existing video system, display, controller and moment limiter are all in bulk and have low integration level. This patent designs an integrated scheme of global control, with the running state direct reaction of crawler crane on vehicle-mounted display, this scheme response speed is fast, the system operation is stable, the integrated level is high, cost that can the greatly reduced controller also can improve security and reliability, guarantee crawler crane's whole car operation safety.
Disclosure of Invention
The utility model discloses a solve above-mentioned problem, now propose a crawler crane's monitoring system, include:
the display is arranged in a cab of the crawler crane and faces a driving position in the cab;
the controller is arranged in the cab and is electrically connected with the display;
the sensing subassembly, set up in the outside of driver's cabin, the sensing subassembly is connected the controller, the sensing subassembly specifically includes:
the inclination angle sensor is arranged on a large arm of the crawler crane and sends the acquired inclination angle of the large arm to the controller;
the encoder is arranged on the large arm and sends the acquired rotation angle to the controller in a CAN bus mode;
the pressure sensor is arranged on a pull arm of the crawler crane and sends the collected pressure values of the backward-tilting prevention left and right oil cylinders arranged on the pull arm to the controller in an analog quantity mode;
the tension sensor is arranged on a pull rope of the crawler crane and close to the position of the pull arm, and transmits the collected tension to the controller;
and the wind speed sensor is arranged at the top of the large arm and sends the collected wind speed to the controller.
Preferably, at least one communication interface is arranged on the back of the display.
Preferably, the communication interface comprises a CAN interface, and/or a program downloading interface, and/or a power supply interface.
Preferably, the driver's cabin still includes an at least camera, the camera set up in the outside of driver's cabin, just the camera is connected the display.
Preferably, a key panel is arranged on the display and connected with the controller.
Preferably, the display is a backlit adjustable display.
Preferably, the display supports both PA L and NTSC video format.
The utility model discloses following beneficial effect has:
the monitoring system of the crawler crane has the advantages of convenience in installation, high measurement precision, good stability, high integration level, great reduction of cost and guarantee of the whole vehicle running safety of the crawler crane.
Drawings
Fig. 1 is a schematic structural diagram of a monitoring system of a crawler crane according to a preferred embodiment of the present invention;
fig. 2 is a schematic diagram illustrating the arrangement positions of the components of the monitoring system of the crawler crane according to the preferred embodiment of the present invention;
fig. 3 is a schematic diagram of a communication interface according to a preferred embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
The utility model discloses a solve above-mentioned problem, now propose a monitoring system of crawler crane, as shown in fig. 1 to fig. 2, include:
at least one display 5, which is arranged in the cab 1 of the crawler crane and faces the driving position in the cab 1;
a controller 6 disposed in the cab 1 and electrically connected to the display 5;
sensing subassembly 7 sets up in the outside of driver's cabin, and sensing subassembly 7 connection controller 6, sensing subassembly 7 specifically includes:
the inclination angle sensor 71 is arranged on the large arm 2 of the crawler crane and sends the acquired inclination angle of the large arm 2 to the controller 6;
the encoder 72 is arranged on the large arm 2 and sends the acquired rotation angle to the controller 6 in a CAN bus mode;
the pressure sensor 73 is arranged on the pull arm 3 of the crawler crane and sends the collected pressure values of the anti-back-tipping left and right oil cylinders arranged on the pull arm to the controller 6 in an analog quantity mode;
the tension sensor 74 is arranged on the pull rope 4 of the crawler crane and close to the position of the pull arm 3, and transmits the collected tension to the controller 6;
and the wind speed sensor 75 is arranged at the top of the large arm 2 and sends the collected wind speed to the controller 6.
Specifically, in the present embodiment, the display 5 is installed in the cab 1 and faces the driver's seat, the controller 6 is installed at the top of the cab 1, the tilt angle sensor 71 is installed on the boom 2, the angle of the boom 2 is detected, and when the angle of the boom 2 is greater than a certain value, the controller 6 connected to the tilt angle sensor 71 sends out warning information and displays the warning information through the display 5; the encoder 72 is arranged on the large arm 2, collects the rotation angle through the encoder, sends the collected signals to the controller 6 in a CAN bus mode, and the controller 6 calculates the rotation angle of the encoder to obtain an actual angle value and feeds the actual angle value back to an operator through the display 5; the pressure sensor 73 is arranged on the pull arm 3 and used for collecting the pressure of the backward tilting prevention left and right oil cylinders, the pressure value is sent to the controller 6 in an analog quantity mode, and the controller 6 obtains the current left and right pressure value of the backward tilting prevention oil cylinder through calculation and displays the current left and right pressure value on the display 5; the tension sensor 74 is arranged on the pull rope 4 and used for collecting the tension of the pull rope 4, sending the tension to the controller 6 in the form of an analog signal, and the controller 6 calculates the analog quantity to obtain the current tension of the pull rope 4 and feeds the current tension back to an operator through the display 5.
The display 5 is arranged and used for displaying data of all the sensors, the response is quick, and the processing period is less than 10 ms; the man-machine interface is friendly, and can be displayed at different positions according to the information importance; synchronously displaying the animation state and the actual crane state, and mastering real-time information; the touch operation is supported, and the interface to be displayed is found more conveniently and quickly; CAN bus communication is supported, so that accurate data and rapid transmission are guaranteed;
the following advantages are obtained by calculating by the controller 6 through the tilt sensor 71, the encoder 72, the pressure sensor 73 and the tension sensor 74 in the moment limiter system: the acquisition sensor has high speed and accuracy, and the acquisition frequency can reach 50 ms; the operation speed is high, the current data can be displayed on a display screen in real time, and the operation period can be less than 10 ms; important information such as overload can be stored through a memory in the display 5, can be displayed and consulted on the display 5, and has the function of a black box; the information such as alarm CAN be sent through the CAN bus, preferably, the information CAN be sent through the controller 6 through the alarm devices such as sound, light or limitation, so as to achieve the warning effect.
The controller 6 has a complex data operation function, and performs operations such as addition, subtraction, multiplication and division, trigonometric function, real-time reading of a load table, operation result comparison, condition judgment and the like on sensor data according to data fed back by the sensor, feeds back the real-time condition of the current hoisting weight, and assists in judging whether the hoisting weight is in an operation range; preferably, the processor is ARMV5, with a frequency of 806MHz, the RAM in the display 5 is 128MB, the memory is 1GB, and the expansion can be carried out as required.
The crawler crane integrates the video function of the conventional video terminal into the display 5, and the video function is called through a program, so that the user cost is reduced, the driving experience is improved, and the equipment failure rate is reduced.
The top of the big arm 2 is provided with an air speed sensor for monitoring the air speed at the top of the big arm 2, the influence of the air speed on the big arm 2 of the crane is very large in the hoisting process of the crane, when the wind load exceeds a certain amount, the crane has a certain overturning risk, and the air speed at the top of the big arm 2 is monitored in real time by installing the air speed sensor 75 at the top of the big arm 2, so that safe operation is achieved; the wind speed sensor 75 collects the wind speed at the top of the boom 2, the data collected by the wind speed sensor 75 is sent to the controller 6 in the form of an analog signal, the controller 6 calculates the analog signal, and the value is sent to the display 5.
In the preferred embodiment of the present invention, at least one communication interface is disposed on the back of the display 5.
Specifically, in this embodiment, the back of the display 5 is connected to a plurality of communication ports for connecting external devices to the display 5.
In the preferred embodiment of the present invention, as shown in fig. 3, the communication interface includes a CAN interface 51, and/or a program downloading interface 52, and/or a power interface 53.
The present invention further comprises at least one camera 12, wherein the camera 12 is disposed outside the cab 1, and the camera 12 is connected to the display 5.
Specifically, in the embodiment, the crane has a complex structure and numerous blind areas, and the camera 12 is arranged outside the cab 1, so that an operator can see a place to be seen at any time, and the barrier can be prevented from blocking the sight; the installation position of the camera 12 is not fixed, the camera can be installed in a required place, and preferably, the camera is installed on the back of the cab 1 and deviates from the cab 1, so that blind areas can be reduced; the winding rope can be arranged at the upper end of the winding to check whether the winding rope is tidy or not.
In the preferred embodiment of the present invention, a key panel 54 is disposed on the display 5, and the key panel 54 is connected to the controller 6.
Specifically, in the present embodiment, after the key panel 54 is arranged, the key panel is used to replace the conventional rocker switch, each key of the key panel 54 corresponds to a different CAN message, and the controller 6 controls the output object through the CAN messages.
In the preferred embodiment of the present invention, the display 5 is a backlight adjustable display.
Specifically, in the present embodiment, the display 5 with adjustable backlight is adopted to adjust the appropriate brightness, so that the display can be seen even in bright light and does not appear dazzling even in dark places.
In the preferred embodiment of the present invention, the display 5 supports both PA L and NTSC video systems.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (6)
1. A crawler crane monitoring system, comprising:
the display is arranged in a cab of the crawler crane and faces a driving position in the cab;
the controller is arranged in the cab and is electrically connected with the display;
the sensing subassembly, set up in the outside of driver's cabin, the sensing subassembly is connected the controller, the sensing subassembly specifically includes:
the inclination angle sensor is arranged on a large arm of the crawler crane and sends the acquired inclination angle of the large arm to the controller;
the encoder is arranged on the large arm and sends the acquired rotation angle to the controller in a CAN bus mode;
the pressure sensor is arranged on a pull arm of the crawler crane and sends the collected pressure values of the backward-tilting prevention left and right oil cylinders arranged on the pull arm to the controller in an analog quantity mode;
the tension sensor is arranged on a pull rope of the crawler crane and close to the position of the pull arm, and transmits the collected tension to the controller;
the wind speed sensor is arranged at the top of the large arm and sends the collected wind speed to the controller;
the camera is arranged outside the cab and connected with the display.
2. The crawler crane monitoring system of claim 1, wherein at least one communication interface is provided on a back side of said display.
3. The crawler crane monitoring system according to claim 2, wherein the communication interface comprises a CAN interface, and/or a program download interface, and/or a power interface.
4. The crawler crane monitoring system according to claim 1, wherein a key panel is provided on the display, the key panel being connected to the controller.
5. The crawler crane monitoring system of claim 1, wherein said display is a backlit adjustable display.
6. The crawler crane monitoring system of claim 1, wherein said display supports PA L and NTSC video format.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921045529.XU CN211004297U (en) | 2019-07-05 | 2019-07-05 | Monitoring system of crawler crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921045529.XU CN211004297U (en) | 2019-07-05 | 2019-07-05 | Monitoring system of crawler crane |
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| Publication Number | Publication Date |
|---|---|
| CN211004297U true CN211004297U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921045529.XU Active CN211004297U (en) | 2019-07-05 | 2019-07-05 | Monitoring system of crawler crane |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255404A (en) * | 2019-07-05 | 2019-09-20 | 上海宏英智能科技有限公司 | A kind of monitoring system of crawler crane |
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2019
- 2019-07-05 CN CN201921045529.XU patent/CN211004297U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255404A (en) * | 2019-07-05 | 2019-09-20 | 上海宏英智能科技有限公司 | A kind of monitoring system of crawler crane |
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Address after: Room j11387, building 2, No. 4268, Zhennan Road, Jiading District, Shanghai, 201802 Patentee after: Shanghai Hongying Intelligent Technology Co.,Ltd. Address before: Room 503, Building No. 1690, Jiahao Road, Nanxiang Town, Jiading District, Shanghai, 201800 Patentee before: SHANGHAI SMART CONTROL Co.,Ltd. |