CN111792529A - Crane load-lifting capacity monitoring system - Google Patents
Crane load-lifting capacity monitoring system Download PDFInfo
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- CN111792529A CN111792529A CN202010667563.1A CN202010667563A CN111792529A CN 111792529 A CN111792529 A CN 111792529A CN 202010667563 A CN202010667563 A CN 202010667563A CN 111792529 A CN111792529 A CN 111792529A
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- power supply
- value
- signal
- goods
- lithium battery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/06—Arrangements or use of warning devices
- B66C15/065—Arrangements or use of warning devices electrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention discloses a crane lifting capacity monitoring system, which comprises a solar panel, a converter, a lithium battery, a power supply switching module, a power supply unit, a safety module, an acousto-optic alarm, a quantitative controller, a rope, a winch, a weighing device, a cross beam and a level meter, wherein the converter is connected with the solar panel; the weighing device is used for monitoring the actual weight value of the goods, and the quantitative controller is used for carrying out judgment processing according to the weight value of the goods; the level gauge is used for monitoring a balance value of the crane arm and transmitting the balance value to the quantitative controller, and the quantitative controller is also used for calculating, judging and processing according to the balance value; when the weight or balance is in problem, the invention can make corresponding solution in time, is safer and more reliable, has intelligent switching power supply mode, and is more environment-friendly.
Description
Technical Field
The invention belongs to the technical field of crane cargo weight monitoring, and particularly relates to a crane load-lifting capacity monitoring system.
Background
The crane is a multi-action crane for vertically lifting and horizontally carrying heavy objects in a certain range, and mainly comprises a tyre crane and a bridge crane, wherein the crane mainly comprises a lifting mechanism, a running mechanism, an amplitude variation mechanism, a rotary mechanism, a metal structure and the like, the lifting mechanism is a basic working mechanism of the crane, most of the lifting mechanism consists of a hanging system and a winch, and also comprises a hydraulic system for lifting the heavy objects, the dead weight is the mass of the whole crane under standard configuration, the unit is ton (t) or kilogram (kg), the lifting capacity refers to the mass of the lifted heavy objects, and can be divided into rated lifting capacity, maximum lifting capacity, total lifting capacity, effective lifting capacity and the like, the rated lifting capacity is the sum of the mass of the materials capable of being lifted by the crane together with the separable lifting appliance or accessories (such as a grab bucket, an electromagnetic chuck, a balance beam and the like), and the total lifting capacity is the total of the materials capable of being lifted by the crane together with the separable lifting appliance, Pulley block, hoisting cable and other hoisting objects below the trolley) and the effective hoisting capacity is the net mass of the material that the crane can hoist, in order to ensure the hoisting safety of the crane, the cargo weight needs to be monitored by a monitoring system first to prevent the effective hoisting capacity from exceeding the standard.
The existing crane weight monitoring system has certain defects in the using process, when the weight value is not correct due to wrong cargo weight record or a fault of a weighing device, a machine arm does not have other safety monitoring means when being deformed, the problems cannot be found in time and solved in time, and the power supply mode cannot be switched according to specific using environment conditions.
Disclosure of Invention
The invention aims to provide a crane lifting capacity monitoring system, which mainly solves the following technical problems:
1) when the weight value is not accurate due to wrong weight record of goods or the failure of a weighing machine, the machine arm does not have other safety monitoring means when being deformed, so that the problem cannot be found and solved in time;
2) the power supply method cannot be switched according to specific use environment conditions.
The purpose of the invention can be realized by the following technical scheme:
a crane lifting capacity monitoring system comprises a solar panel, a converter, a lithium battery, a power supply switching module, a power supply unit, a safety module, an acousto-optic alarm, a quantitative controller, a rope, a winch, a weighing device, a cross beam and a level meter;
the weighing device is used for monitoring the actual weight value of goods, the quantitative controller is used for judging according to the weight value of goods, and specific judging steps include:
s: acquiring an actual weight value of the goods;
s: comparing the weight preset value with the actual weight value of the goods;
when the preset weight value is greater than or equal to the actual weight value of the goods, generating a safe hoisting signal to control the winch to hoist the goods on the rope;
when the preset weight value is smaller than the actual weight value of the goods, generating a dangerous hoisting signal, not controlling the winch, and controlling an audible and visual alarm to give an alarm;
the level gauge is used for monitoring a balance value of a crane jib and transmitting the balance value to the quantitative controller, the quantitative controller is also used for calculating, judging and processing according to the balance value, and the specific calculating, judging and processing steps are as follows:
a: acquiring a balance value of the arm;
a: comparing the balance value with a preset safety value;
when the balance value is equal to a preset safety value, generating a safe operation signal without controlling the winch;
and when the balance value is not equal to the preset safety value, generating an outage signal, controlling the winch to descend the rope, and controlling the acousto-optic alarm to give out an alarm prompt.
As a further scheme of the invention: the winch is used for controlling the paying-off and the taking-up of the rope through forward and reverse rotation movement.
As a further scheme of the invention: the solar panel is used for obtaining heat energy, the converter is used for converting the heat energy into electric energy, the lithium battery is used for storing electric quantity, and the power supply unit is used for being connected with a mains supply.
As a further scheme of the invention: the power supply switching module is used for switching according to power supply information, and the specific processing steps are as follows:
h: generating a power supply signal, and receiving a signal transmitted by the lithium battery, wherein when the signal is D, the lithium battery is normally powered, and when the signal is D, the lithium battery is abnormally powered;
h: when the lithium battery is abnormally powered, the power supply switching module generates an S signal, the commercial power of the power supply unit is used for supplying power, and when the power supply signal disappears, the power supply unit is controlled to supply power to the lithium battery.
The invention has the beneficial effects that:
1. the weight of the actual goods is monitored by the weighing device before lifting by crane, and give quantitative controller with weight transfer, when actual weight surpasses the safe value, do not control the hoist engine, the acousto-optic alarm sounds, when actual weight does not surpass the safe value, the rotatory rope of control hoist engine rises and lifts by crane work, the spirit level is used for real-time supervision horn balanced value, and feed back the balanced value to quantitative controller, when balanced value is different with the safe value, then show that the horn takes place the deformation condition or be overweight condition, control the rope by quantitative controller and descend in time to unload this moment, the acousto-optic alarm sounds, and is safe and reliable more.
2. When supplying power for the device, produce the power supply signal by the power supply switching module and acquire the electric quantity in preferred follow lithium cell, when lithium cell power supply is unusual, switch to the commercial power supply of power supply unit, when power supply signal stops, the commercial power turns to and supplies with the electric quantity for the lithium cell, until being full of, solar panel is used for acquireing heat energy and transfers heat energy for the converter and truns into the electric energy with the converter and rush into in the lithium cell, and intelligent switching power supply mode has green's characteristic.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a system block diagram of the present invention.
In the figure: 1. a solar panel; 2. a converter; 3. a lithium battery; 4. a power supply switching module; 5. a power supply unit; 6. a rope; 7. a winch; 8. a weighing device; 9. a cross beam; 10. a level gauge; 11. an audible and visual alarm; 12. a quantitative controller; 13. a security module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a crane lifting capacity monitoring system comprises a solar panel 1, a converter 2, a lithium battery 3, a power supply switching module 4, a power supply unit 5, a safety module 13, an audible and visual alarm 11, a quantitative controller 12, a rope 6, a winch 7, a weighing device 8, a beam 9 and a level gauge 10;
the weighing device 8 is used for monitoring the actual weight value of goods, and the quantitative controller 12 is used for judging according to the weight value of goods, and specific judging steps include:
s01: acquiring an actual weight value of the goods;
s02: comparing the weight preset value with the actual weight value of the goods;
when the preset weight value is greater than or equal to the actual weight value of the goods, generating a safe hoisting signal and controlling the winch 7 to hoist the goods on the rope 6;
when the preset weight value is smaller than the actual weight value of the goods, a dangerous hoisting signal is generated, the winch 7 is not controlled, and the acousto-optic alarm 11 is controlled to give an alarm;
the level gauge 10 is used for monitoring a balance value of a crane jib and transmitting the balance value to the quantitative controller 12, and the quantitative controller 12 is further used for performing calculation and judgment processing according to the balance value, wherein the specific calculation and judgment processing steps are as follows:
a01: acquiring a balance value of the arm;
a02: comparing the balance value with a preset safety value;
when the balance value is equal to a preset safety value, generating a safe operation signal without controlling the winch 7;
and when the balance value is not equal to the preset safety value, generating an outage signal, controlling the winch 7 to descend the rope 6, and controlling the audible and visual alarm 11 to give an alarm prompt.
The winch 7 is used for controlling the paying-off and the taking-up of the rope 6 through forward and reverse rotation movement; the solar panel 1 is used for obtaining heat energy, the converter 2 is used for converting the heat energy into electric energy, the lithium battery 3 is used for storing electric quantity, and the power supply unit 5 is used for being connected with commercial power; the power supply switching module 4 is configured to perform switching processing according to the power supply information, and includes the following specific processing steps:
h01: generating a power supply signal, and receiving a signal transmitted by the lithium battery 3, wherein when the signal is D1, the power supply of the lithium battery 3 is normal, and when the signal is D0, the power supply of the lithium battery 3 is abnormal;
h02: when the lithium battery 3 is abnormally powered, the power supply switching module 4 generates an S1 signal, the commercial power of the power supply unit 5 supplies power, and when the power supply signal disappears, the power supply unit 5 is controlled to supply power to the lithium battery 3.
The working principle of the crane lifting capacity monitoring system is as follows: when the device works, the weight of actual goods is monitored by the weighing device 8 before lifting, the weight is transmitted to the quantitative controller 12, when the actual weight exceeds a safety value, the winch 7 is not controlled, the sound-light alarm 11 sounds, when the actual weight does not exceed the safety value, the winch 7 is controlled to rotate the rope 6 to ascend for lifting, the level gauge 10 is used for monitoring the balance value of the arm in real time and feeding the balance value back to the quantitative controller 12, when the balance value is different from the safety value, the deformation condition or overweight condition of the arm is shown, at the moment, the rope 6 is controlled by the quantitative controller 12 to descend for timely unloading, the sound-light alarm 11 sounds, the device is safer and more reliable, when the device is powered, a power supply signal generated by the power supply switching module 4 preferentially obtains electric quantity from the lithium battery 3, when the lithium battery 3 is powered abnormally, the device is switched to supply commercial power to the power supply unit 5, when the power supply signal stops, the commercial power is converted to supply electric quantity to the lithium battery 3 until the lithium battery is fully charged, the solar panel 1 is used for obtaining heat energy, transmitting the heat energy to the converter 2, converting the heat energy into electric energy by the converter 2 and then flushing the electric energy into the lithium battery 3.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (4)
1. A crane lifting capacity monitoring system is characterized by comprising a solar panel (1), a converter (2), a lithium battery (3), a power supply switching module (4), a power supply unit (5), a safety module (13), an acousto-optic alarm (11), a quantitative controller (12), a rope (6), a winch (7), a weigher (8), a cross beam (9) and a level meter (10);
the weighing device (8) is used for monitoring the actual weight value of the goods, the quantitative controller (12) is used for judging and processing according to the weight value of the goods, and the specific judging and processing steps comprise:
s01: acquiring an actual weight value of the goods;
s02: comparing the weight preset value with the actual weight value of the goods;
when the preset weight value is larger than or equal to the actual weight value of the goods, generating a safe hoisting signal to control a winch (7) to hoist the goods on the rope (6);
when the preset weight value is smaller than the actual weight value of the goods, a dangerous hoisting signal is generated, the winch (7) is not controlled, and the acousto-optic alarm (11) is controlled to give an alarm;
the level gauge (10) is used for monitoring a balance value of a crane jib and transmitting the balance value to the quantitative controller (12), the quantitative controller (12) is also used for calculating and judging processing according to the balance value, and the specific calculating and judging processing steps are as follows:
a01: acquiring a balance value of the arm;
a02: comparing the balance value with a preset safety value;
when the balance value is equal to a preset safety value, generating a safe operation signal without controlling the winch (7);
and when the balance value is not equal to the preset safety value, generating an outage signal, controlling the winch (7) to descend the rope (6), and controlling the audible and visual alarm (11) to give an alarm prompt.
2. A crane capacity monitoring system as claimed in claim 1, wherein the hoist (7) is adapted to move in forward and reverse directions to control the paying off and taking up of the rope (6).
3. A crane load monitoring system as claimed in claim 2, wherein the solar panels (1) are adapted to obtain thermal energy, the converter (2) is adapted to convert the thermal energy into electrical energy, the lithium battery (3) is adapted to store electrical energy, and the power supply unit (5) is adapted to be connected to a mains supply.
4. The crane capacity monitoring system according to claim 1, wherein the power supply switching module (4) is configured to perform a switching process according to power supply information, and the specific processing steps are as follows:
h01: generating a power supply signal, receiving a signal transmitted by the lithium battery (3), wherein when the signal is D1, the power supply of the lithium battery (3) is normal, and when the signal is D0, the power supply of the lithium battery (3) is abnormal;
h02: when the lithium battery (3) is abnormally powered, the power supply switching module (4) generates an S1 signal, the commercial power of the power supply unit (5) is used for supplying power, and when the power supply signal disappears, the power supply unit (5) is controlled to supply power to the lithium battery (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010667563.1A CN111792529A (en) | 2020-07-13 | 2020-07-13 | Crane load-lifting capacity monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010667563.1A CN111792529A (en) | 2020-07-13 | 2020-07-13 | Crane load-lifting capacity monitoring system |
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| CN111792529A true CN111792529A (en) | 2020-10-20 |
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| CN202010667563.1A Pending CN111792529A (en) | 2020-07-13 | 2020-07-13 | Crane load-lifting capacity monitoring system |
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| CN101628689A (en) * | 2009-08-06 | 2010-01-20 | 山东鸿达建工集团有限公司 | Integrated display of tower crane |
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| CN104192710A (en) * | 2014-08-20 | 2014-12-10 | 中国电建集团成都勘测设计研究院有限公司 | System and method for weighing and identifying objects lifted by cable crane |
| CN205709532U (en) * | 2016-05-11 | 2016-11-23 | 湖南维尔力德科技有限公司 | A kind of crane hoist rope drift angle sensing device |
| CN106927357A (en) * | 2017-03-03 | 2017-07-07 | 合肥工业大学 | Tower crane lift hook safe condition supervising device and control method |
| CN206580475U (en) * | 2017-03-24 | 2017-10-24 | 张家港市天运建筑机械有限公司 | The anti-error overload protecting system of derrick crane and derrick crane |
| CN208308309U (en) * | 2018-05-31 | 2019-01-01 | 河南省中原起重机械有限公司 | A kind of crane load protective device |
| CN110422761A (en) * | 2019-07-31 | 2019-11-08 | 安徽合力股份有限公司 | A kind of front handling mobile crane container derailing automatic control system and method |
-
2020
- 2020-07-13 CN CN202010667563.1A patent/CN111792529A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101628689A (en) * | 2009-08-06 | 2010-01-20 | 山东鸿达建工集团有限公司 | Integrated display of tower crane |
| CN203715132U (en) * | 2014-01-04 | 2014-07-16 | 山西一建集团有限公司 | Tower crane safety production monitoring system with remote real-time management function |
| CN104192710A (en) * | 2014-08-20 | 2014-12-10 | 中国电建集团成都勘测设计研究院有限公司 | System and method for weighing and identifying objects lifted by cable crane |
| CN205709532U (en) * | 2016-05-11 | 2016-11-23 | 湖南维尔力德科技有限公司 | A kind of crane hoist rope drift angle sensing device |
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| CN206580475U (en) * | 2017-03-24 | 2017-10-24 | 张家港市天运建筑机械有限公司 | The anti-error overload protecting system of derrick crane and derrick crane |
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Application publication date: 20201020 |