CN220033938U - Device for displaying load capacity of suspension arm in real time - Google Patents
Device for displaying load capacity of suspension arm in real time Download PDFInfo
- Publication number
- CN220033938U CN220033938U CN202321729428.0U CN202321729428U CN220033938U CN 220033938 U CN220033938 U CN 220033938U CN 202321729428 U CN202321729428 U CN 202321729428U CN 220033938 U CN220033938 U CN 220033938U
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- suspension arm
- real time
- boom
- displaying
- sensor
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- 239000000725 suspension Substances 0.000 title claims abstract description 52
- 238000012545 processing Methods 0.000 claims abstract description 8
- 238000005259 measurement Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000012886 linear function Methods 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model discloses a device for displaying the loading capacity of a suspension arm in real time, which comprises a sensor for collecting the length angle of the suspension arm, a processor for processing data collected by the sensor, and a display for displaying the data processed by the processor in real time. The processor expands the capacity on the controller of the telescopic boom forklift to realize the processing function, the sensor, the processor and the display transmit data through the CAN bus, and the display displays the state and the load capacity of the boom in real time or not within the safe operation range. The utility model ensures that operators can timely, intuitively and accurately know the state and the load capacity of the suspension arm and ensure the safety of operation; the safety personnel are not required to read the boom display information on site, so that the labor cost is reduced; the operation difficulty of operators is reduced, and the operation efficiency is improved.
Description
Technical Field
The utility model relates to a hoisting operation device, in particular to a device for displaying the load capacity of a suspension arm in real time.
Background
The operating mechanism of the telescopic arm forklift mainly comprises a suspension arm and a fork, and the position of the fork is adjusted by adjusting the length and the inclination angle of the suspension arm. Under the condition of different lengths and angles of the suspension arm, the moment generated by the weight of the goods on the fork relative to the dead weight of the vehicle is different, so that the maximum safe weight of the load is allowed to be different. Currently, the monitoring of the state of the suspension arm mostly adopts an angle indicating disc fixed on the side surface of the suspension arm and a suspension arm travel mark attached to the side surface of the two sections of arms of the suspension arm. The pointer on the angle indicating disc can change along with the change of the inclination angle of the suspension arm, different letters are displayed to represent different lengths along with the extension of the suspension arm stroke marks of the two sections of arms, a safety operator reads the angle on the angle indicating disc and the letters on the stroke marks to inform the driver, and the driver queries the current load safety range in combination with the load performance table, so that the safety of operation is ensured. The existing operation mode needs to be matched by multiple persons, a driver cannot acquire the state of the suspension arm in time, and the load capacity needs to be determined by combining a load performance table, so that the operation time length and the operation difficulty of the driver are increased.
Disclosure of Invention
The utility model aims to: the utility model aims to provide a device for displaying the load capacity of a suspension arm, which can timely, intuitively and accurately know the state and the load capacity of the suspension arm.
The technical scheme is as follows: the device for displaying the loading capacity of the suspension arm in real time comprises a sensor for collecting the length and the angle of the suspension arm, a processor for processing data collected by the sensor, and a display for displaying the data processed by the processor in real time.
Furthermore, the length and the angle of the measured value of the sensor are calibrated before data acquisition.
Further, the processor calculates the actual length and the inclination angle of the suspension arm according to the suspension arm length angle acquired by the sensor, calculates the amplitude and the height of the suspension arm according to the actual length and the inclination angle of the suspension arm, and transmits data to the display.
Further, the display system of the display establishes a main coordinate system by taking the amplitude of the suspension arm as an X axis and the height as a Y axis; adding a secondary coordinate system in a primary coordinate system by taking the actual length of the suspension arm as a secondary x-axis and the inclination angle as a secondary y-axis, and integrating a load capacity meter into the secondary coordinate system to serve as a range of a safety operation area; and adding a point for displaying the amplitude and the height, the actual length and the inclination angle of the suspension arm in real time into the secondary coordinate system.
Further, the processor realizes the function of data processing by expanding capacity on the main controller of the telescopic boom forklift.
Further, the model of the length angle sensor is LWG610, the angle measurement range is 0-360 degrees, and the length measurement range is 0-10m.
Further, the wire box of the sensor is parallel to the suspension arm and fixed at the forefront end of the basic arm, and the rope head is fixed at the forefront end of the two sections of arms.
Further, CAN bus is adopted to transmit data among the sensor, the processor and the display.
The beneficial effects are that: compared with the prior art, the utility model has the following advantages: 1. the operator can timely, intuitively and accurately know the state and the load capacity of the suspension arm, and the safety of the operation is ensured; 2. the safety personnel are not required to read the boom display information on site, so that the labor cost is reduced; 3. the operation difficulty of operators is reduced, and the operation efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a display screen of the present utility model;
fig. 3 is a schematic view of the position of the length angle sensor of the present utility model.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings.
An apparatus for displaying the load capacity of a boom in real time as shown in fig. 1-3 comprises a length angle sensor 1 fixed at the forefront end of a basic arm 3 in parallel with the boom, a rope head fixed at the forefront end of a two-section arm 2, a processor for processing data collected by the sensor, and a display for displaying the state and the load capacity of the boom in real time. And the sensor, the processor and the display adopt a CAN bus to transmit data. Length angle sensorModel LWG610, angle theta measuring range 0-360 degrees, length L measuring range 0-10m, calibrating the length and angle of the sensor measured value before data acquisition: 1. and (3) calibrating the length: calibration sensor measurement length D when boom is fully contracted 1 Corresponding to the length L of the suspension arm 1 Calibration sensor measures length D when boom is fully extended 2 Corresponding to the length L of the suspension arm 2 Taking two points of the boom when the boom is fully contracted and fully extended as linear functions, wherein D is a real-time detection value; 2. calibrating an angle: calibrating the sensor measurement angle alpha when the boom is in a horizontal state 1 Corresponding to the inclination angle theta of the suspension arm 1 Calibration sensor measures angle alpha when the boom is perpendicular to the body 2 Corresponding to the inclination angle theta of the suspension arm 2 And (3) taking two points of horizontal and vertical calibration of the suspension arm as a linear function, wherein alpha is a real-time detection value.
The processor is used for carrying out capacity expansion on an original controller of the telescopic boom forklift to realize the processing of acquired data. In the operation process of the telescopic boom forklift, the length angle sensor 1 transmits data for acquiring the length D and the angle alpha of the boom to the processor along with the extension and the lifting of the boom. The processor calculates a formula L= ((D-D) according to the actual length of the suspension arm 1 )(L 2 -L 1 )/(D 2 -D 1 ))+L 1 Boom inclination angle calculation formula θ= ((α - α) 1 )(θ 2 -θ 1 )/(α 2 -α 1 ))+θ 1 Converting the length D and the angle alpha acquired by the sensor into the actual length L and the inclination angle theta of the suspension arm; then the actual length L and the inclination angle theta of the suspension arm are utilized, and the amplitude calculation formula R=sin theta.L-C is adopted 1 And the altitude calculation formula h=cos θ·l+c 2 Calculating the amplitude R and the height H of the suspension arm, wherein C 1 Is the length of the frame, C 2 Is the height of the frame; finally, the actual length L, the inclination angle θ, the amplitude R and the height H of the boom are transmitted to a display.
The display interface of the display establishes a main coordinate system by taking the amplitude R of the suspension arm as an X axis and the height H as a Y axis; taking the actual length L of the suspension arm as a secondary x-axis and the inclination angle theta as a secondary y-axis, adding a secondary coordinate system into a primary coordinate system, and integrating a load capacity table into the secondary coordinate system to serve as a range of a safe operation area; and adding a yellow bright spot for displaying the amplitude R and the height H, the actual length L and the inclination angle theta of the suspension arm in real time into the secondary coordinate system. If the yellow bright spot is within the range of the safe operation area, the weight of the articles of the suspension arm is within the load capacity range; if the yellow bright spot approaches or exceeds the range of the safe operation area, the weight of the articles on the suspension arm is about to exceed or exceeds the load capacity range of the articles, and the operator is reminded to adjust the state of the suspension arm in time so as to return to the range of the safe operation area.
Claims (8)
1. The device for displaying the loading capacity of the suspension arm in real time is characterized by comprising a sensor for collecting the length and the angle of the suspension arm, a processor for processing data collected by the sensor, and a display for displaying the data processed by the processor in real time.
2. Device for displaying boom load capacity in real time according to claim 1, characterized in that the measured value length and angle of the sensor are calibrated before data acquisition.
3. The apparatus for displaying the load capacity of a boom in real time according to claim 1, wherein said processor calculates the actual length and the inclination angle of the boom based on the boom length angle acquired by the sensor, calculates the amplitude and the height of the boom based on the actual length and the inclination angle of the boom, and transmits the data to the display.
4. The device for displaying the load capacity of a suspension arm in real time according to claim 1, wherein the display interface of the display establishes a main coordinate system with the amplitude of the suspension arm as an X axis and the height as a Y axis; adding a secondary coordinate system into a primary coordinate system by taking the actual length of the suspension arm as a secondary x-axis and the inclination angle as a secondary y-axis, integrating a load capacity meter into the secondary coordinate system to serve as a range of a safe operation area, and displaying the amplitude and the height of the suspension arm and the actual length and the inclination angle in real time.
5. The apparatus for displaying boom load capacity in real time according to claim 1, wherein said processor performs the function of data processing by expanding capacity on a main controller of the telescopic boom fork truck.
6. The device for displaying the loading capacity of a suspension arm in real time according to claim 1, wherein the length angle sensor is of the type LWG610, the angle measuring range is 0-360 degrees, and the length measuring range is 0-10m.
7. Device for displaying the load capacity of a boom in real time according to claim 1, characterized in that the wire box of the sensor is fixed at the forefront end of the basic arm parallel to the boom, the rope head being fixed at the forefront end of the two-section arm.
8. The device for displaying the loading capacity of the suspension arm in real time according to claim 1, wherein the sensors, the processor and the display adopt a CAN bus to transmit data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321729428.0U CN220033938U (en) | 2023-07-04 | 2023-07-04 | Device for displaying load capacity of suspension arm in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321729428.0U CN220033938U (en) | 2023-07-04 | 2023-07-04 | Device for displaying load capacity of suspension arm in real time |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220033938U true CN220033938U (en) | 2023-11-17 |
Family
ID=88720470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321729428.0U Active CN220033938U (en) | 2023-07-04 | 2023-07-04 | Device for displaying load capacity of suspension arm in real time |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220033938U (en) |
-
2023
- 2023-07-04 CN CN202321729428.0U patent/CN220033938U/en active Active
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