CN108584734B - Tower crane moment amplitude limiter - Google Patents
Tower crane moment amplitude limiter Download PDFInfo
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- CN108584734B CN108584734B CN201810728416.3A CN201810728416A CN108584734B CN 108584734 B CN108584734 B CN 108584734B CN 201810728416 A CN201810728416 A CN 201810728416A CN 108584734 B CN108584734 B CN 108584734B
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- limiter
- sensing plate
- gravity
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- limiter main
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- 230000001681 protective effect Effects 0.000 claims abstract description 22
- 230000005484 gravity Effects 0.000 claims description 49
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention discloses a tower crane moment limiter which comprises a limiter main body, wherein a fixed base is arranged at the bottom of the limiter main body, one side of the limiter main body is provided with a limiter connecting end, the inside of the limiter connecting end is provided with a connecting port, the other side of the limiter main body is provided with an output end, the outer surface of the output end is provided with a protective shell, the inside of the output end is provided with an output inserting groove, the inside of the output inserting groove is provided with an output end clamping plate, the inside of the protective shell is provided with a plug cushion layer, the top of the limiter main body is provided with a heat radiating plate, the front surface of the limiter main body is provided with an infrared sensor and a strain sensor, the inside of the limiter main body is provided with a protective cavity, and the inside of the protective cavity is provided with an information processor, so that the problems that the sensitivity is not high and the accuracy of the moment lifting weight and the lifting moment of a tower crane cannot be correspondingly reacted are solved.
Description
Technical Field
The invention relates to the technical field of tower crane moment amplitude limiters, in particular to a tower crane moment amplitude limiter.
Background
The tower crane is widely applied to construction sites, wharf loading and the like, and the moment amplitude limiter is an important safety protection device on the tower crane and is used for preventing the tower crane from generating serious safety accidents caused by overload of lifting moment, so that the use safety of the tower crane is effectively ensured.
But the existing tower crane moment amplitude limiter is mainly low in sensitivity and cannot accurately reflect the moment lifting weight and the lifting weight amplitude of the tower crane, so that the moment amplitude limiter cannot accurately limit the moment of the tower crane and cannot respond to the lifting moment overload of the tower crane correspondingly, and the moment amplitude limiter of the tower crane cannot meet the schematic requirements of people at present.
Therefore, how to design a tower crane moment limiter is a current problem to be solved.
Disclosure of Invention
The invention aims to provide a moment amplitude limiter of a tower crane, which aims to solve the problems that the sensitivity is not high, the amplitude of the current lifting weight and the lifting weight of the tower crane cannot be accurately reflected, and the corresponding response cannot be made to the overload of the lifting moment of the tower crane in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a tower machine moment amplitude limiter, includes the limiter main part, the bottom of limiter main part is provided with unable adjustment base, one side of limiter main part is provided with the limiter and connects the end, the inside of limiter connection end is provided with the connection port, the opposite side of limiter main part is provided with the output end, the surface of output end is provided with the protecting sheathing, the inside of output end is provided with the output insertion groove, the inside of output insertion groove is provided with output joint board, the inboard of protecting sheathing is provided with the plug bed course, the top of limiter main part is provided with the heating panel, the front of limiter main part is provided with infrared ray inductor and strain gauge, the inside of limiter main part is provided with the protection cavity, the inside of protection cavity is provided with information processor, one side of information processor is provided with speed adjusting motor, one side of speed adjusting motor is provided with current regulator, the top of current regulator is provided with the supporting leg, the top of supporting leg is provided with the stress sensing board, the top of stress sensing board is provided with the second cable, the bottom of a second cable is provided with the gravity sensing board, the gravity sensing board is provided with one end, the first cable is connected with the gravity sensing board.
Further, the heat dissipation plate is plate-shaped, the thickness of the heat dissipation plate is three centimeters, and meanwhile, the heat dissipation plate is embedded into the top of the limiter body.
Further, the protective housing is formed by processing aluminum alloy, and the protective housing is tightly combined with the outer surface of the limiter main body, meanwhile, the inner part of the protective housing is hollowed out, and meanwhile, the thickness of the protective housing is five millimeters.
Further, a plurality of infrared sensing elements are uniformly distributed on the outer surface of the infrared sensor, and meanwhile, the infrared sensor is embedded into the front surface of the limiter main body.
Further, the gravity sensors are arranged at two positions, the two gravity sensors are correspondingly arranged, and meanwhile, the gravity sensors are embedded into the bottom of the gravity sensing plate.
Further, the gravity sensing plate is electrically connected with the information processor through a first cable, the gravity sensing plate is movably connected with the stress sensing plate through a second cable, and meanwhile, the gravity sensing plate is tightly combined with the inner wall of the protection cavity.
Compared with the prior art, the invention has the beneficial effects that: this kind of tower machine moment amplitude limiter is provided with infrared inductor and strain gauge, infrared inductor comprises a plurality of infrared inductor son, and a plurality of infrared inductor son evenly distributed in infrared inductor's surface, infrared inductor can detect the moment amplitude of tower machine, strain gauge sensor can carry out corresponding processing to the testing result of infrared inductor, thereby the sensitivity of limiter has been increased, the amplitude of the moment that the response tower machine that the limiter sensitivity is not high can not be accurate plays weight and lifting weight at the time, thereby make moment amplitude limiter can not be accurate make the problem of restriction to the moment of tower machine, be provided with gravity inductor, gravity sensing plate and information processor, gravity inductor sets up in two, gravity sensing plate is through first cable and information processor electric connection, gravity sensing plate is through second cable and stress sensing plate swing joint, afterwards gravity sensing plate carries out preliminary processing to the atress of tower machine, the moment atress of tower machine judges, and will carry out the corresponding response to the moment of lifting weight of response to the tower machine through information processor, the problem that the corresponding moment of the response of moment that can not be made to the corresponding response to the tower machine can not be satisfied, the moment of the overload of the corresponding response of the tower machine that the moment can not be made by people is solved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the output terminal of the present invention;
fig. 3 is a cross-sectional view of the present invention.
In the figure: 1. the device comprises a fixed base, 2, a limiter main body, 3, a limiter connecting end, 4, a connecting port, 5, a heat radiating plate, 6, an output end, 7, an infrared sensor, 8, a strain sensor, 9, a protective shell, 10, an output end clamping plate, 11, a plug cushion layer, 12, an output inserting groove, 13, a protective cavity, 14, an information processor, 15, a first cable, 16, a gravity sensor, 17, a gravity sensing plate, 18, a second cable, 19, a stress sensing plate, 20, a current regulator, 21, supporting legs, 22 and a speed regulating motor.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a tower machine moment range limiter, including unable adjustment base 1, limiter main part 2, limiter connection end 3, connection port 4, heating panel 5, output end 6, infrared inductor 7, strain sensor 8, protective housing 9, output joint board 10, plug bed course 11, output insert groove 12, protection cavity 13, information processor 14, first cable 15, gravity inductor 16, gravity sensing plate 17, second cable 18, stress sensing plate 19, current regulator 20, supporting leg 21 and speed governing motor 22 all can be through market purchase and private customization.
The instrument in the invention: infrared sensor
Speed regulating motor APG3-500 (Baotou motor electric drive)
Strain sensor SBT-761A (Sba Tuo Transmission Co., ltd.)
Information processor Inter (three stars)
Gravity sensor SBT6DF-036 (Siba Tuo Transmission Co., ltd.)
Current regulator CRER160AT (electric martial arts instrument)
The bottom of the limiter main body 2 is provided with a fixed base 1, one side of the limiter main body 2 is provided with a limiter connecting end 3, the inside of the limiter connecting end 3 is provided with a connecting port 4, the other side of the limiter main body 2 is provided with an output end 6, the outer surface of the output end 6 is provided with a protective shell 9, the protective shell 9 is processed by aluminum alloy, and the protective shell 9 is tightly combined with the outer surface of the limiter main body 2, meanwhile, the inside of the protective shell 9 is hollowed out, the thickness of the protective shell 9 is five millimeters, the protective shell 9 can protect the output end 6, the inside of the output end is provided with an output insertion groove 12, the inside of the output insertion groove 12 is provided with an output end clamping plate 10, the inside of the protective shell 9 is provided with a plug cushion layer 11, the top of the limiter main body 2 is provided with a heat dissipation plate 5, the heat dissipation plate 5 is in a plate shape, the thickness of the heat radiation plate 5 is three centimeters, meanwhile, the heat radiation plate 5 is embedded and arranged at the top of the limiter main body 2, the heat radiation plate 5 can radiate the temperature in the limiter main body, the front surface of the limiter main body 2 is provided with an infrared sensor 7 and a strain sensor 8, a plurality of infrared sensing elements are uniformly distributed on the outer surface of the infrared sensor 7, meanwhile, the infrared sensor 7 is embedded and arranged at the front surface of the limiter main body 2, the infrared sensor 7 can sense the moment amplitude of the tower crane, thereby conveniently limiting the moment amplitude of the tower crane, a protection cavity 13 is arranged in the limiter main body 2, an information processor 14 is arranged in the protection cavity 13, one side of the information processor 14 is provided with a speed regulating motor 22, one side of the speed regulating motor 22 is provided with a current regulator 20, the top of the current regulator 20 is provided with supporting legs 21, the top of supporting leg 21 is provided with stress sensing plate 19, the top of stress sensing plate 19 is provided with second cable 18, the one end of second cable 18 is provided with gravity sensing plate 17, gravity sensing plate 17 passes through first cable 15 and information processor 14 electric connection, and gravity sensing plate 17 passes through second cable 18 and stress sensing plate 19 swing joint, gravity sensing plate 17 closely combines in the inner wall of protection cavity 13 simultaneously, gravity sensing plate 17 can conduct the gravity that receives, the bottom of gravity sensing plate 17 is provided with gravity inductor 16, gravity inductor 16 sets up in two, and two gravity inductors 16 correspond and establish each other, simultaneously gravity inductor 16 embedding sets up in the bottom of gravity sensing plate 17, gravity inductor 16 can respond to the atress of tower machine and convey the atress that senses in information processor 14, the one end of gravity sensing plate 17 is connected with first cable 15.
Working principle: firstly, a worker checks whether the performance of each component of the moment limiter of the tower crane is problematic, if the performance of some components is poor, the components should be maintained or replaced in time, after the components of the moment limiter of the tower crane are checked to be normal, the limiter main body 2 is fixed through the fixing base 1, then the limiter is connected with the tower crane through the limiter connecting end 3, then the moment amplitude of the tower crane is sensed by the infrared sensor 7, then the corresponding processing is carried out on the sensing result of the strain sensor 8, then the temperature in the limiter main body 2 is emitted by the heat dissipation plate 5, then the force applied to the tower crane is sensed by the stress sensing plate 19, then the force applied to the tower crane is sensed by the gravity sensing plate 16, then the gravity applied to the gravity sensing plate 17 is sensed, then the information is collected by the information processor 14, and the work is completed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. Tower crane moment amplitude limiter, comprising a limiter body (2), characterized in that: the bottom of limiter main part (2) is provided with unable adjustment base (1), one side of limiter main part (2) is provided with limiter connection end (3), the inside of limiter connection end (3) is provided with connecting port (4), the opposite side of limiter main part (2) is provided with output end (6), the surface of output end (6) is provided with shell (9), the inside of output end is provided with output insertion groove (12), the inside of output insertion groove (12) is provided with output joint board (10), the inboard of shell (9) is provided with plug cushion layer (11), the top of limiter main part (2) is provided with heating panel (5), the front of limiter main part (2) is provided with infrared ray inductor (7) and strain gauge sensor (8), the inside of limiter main part (2) is provided with protection cavity (13), the inside of protection cavity (13) is provided with information processor (14), one side of information processor (14) is provided with speed motor (22), the support leg (21) is provided with current regulator (21), the support leg (20) is provided with current sensor (8), the top of the stress sensing plate (19) is provided with a second cable (18), one end of the second cable (18) is provided with a gravity sensing plate (17), the bottom of the gravity sensing plate (17) is provided with a gravity sensor (16), and one end of the gravity sensing plate (17) is connected with a first cable (15);
the radiating plate (5) is in a plate shape, the thickness of the radiating plate (5) is three centimeters, and meanwhile, the radiating plate (5) is embedded into the top of the limiter main body (2);
the protective shell (9) is formed by processing aluminum alloy, the protective shell (9) is tightly combined with the outer surface of the limiter main body (2), meanwhile, the interior of the protective shell (9) is hollowed out, and meanwhile, the thickness of the protective shell (9) is five millimeters;
the outer surface of the infrared inductor (7) is uniformly provided with a plurality of infrared induction elements, and meanwhile the infrared inductor (7) is embedded into the front surface of the limiter main body (2).
2. A tower crane moment limiter according to claim 1, wherein: the gravity sensors (16) are arranged at two positions, the two gravity sensors (16) are arranged corresponding to each other, and meanwhile, the gravity sensors (16) are embedded into the bottom of the gravity sensing plate (17).
3. A tower crane moment limiter according to claim 1, wherein: the gravity sensing plate (17) is electrically connected with the information processor (14) through the first cable (15), the gravity sensing plate (17) is movably connected with the stress sensing plate (19) through the second cable (18), and meanwhile the gravity sensing plate (17) is tightly combined with the inner wall of the protection cavity (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810728416.3A CN108584734B (en) | 2018-07-05 | 2018-07-05 | Tower crane moment amplitude limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810728416.3A CN108584734B (en) | 2018-07-05 | 2018-07-05 | Tower crane moment amplitude limiter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108584734A CN108584734A (en) | 2018-09-28 |
| CN108584734B true CN108584734B (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810728416.3A Active CN108584734B (en) | 2018-07-05 | 2018-07-05 | Tower crane moment amplitude limiter |
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| Country | Link |
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| CN (1) | CN108584734B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095357A (en) * | 1993-10-06 | 1994-11-23 | 青岛华荣经济技术贸易公司 | Limiter of moment |
| EP1894882A2 (en) * | 2006-08-31 | 2008-03-05 | Liebherr-Werk Nenzing GmbH | Safety and steering method for cranes |
| CN204281135U (en) * | 2014-12-10 | 2015-04-22 | 新疆庞源机械工程有限公司 | Tower machine limiter of moment |
| CN105174059A (en) * | 2015-09-30 | 2015-12-23 | 长沙广致电子科技有限公司 | Intelligent parameter acquiring moment limiter based on wireless sensing technology |
| CN208561508U (en) * | 2018-07-05 | 2019-03-01 | 江西飞达电气设备有限公司 | A kind of tower crane moment amplitude limiter |
-
2018
- 2018-07-05 CN CN201810728416.3A patent/CN108584734B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095357A (en) * | 1993-10-06 | 1994-11-23 | 青岛华荣经济技术贸易公司 | Limiter of moment |
| EP1894882A2 (en) * | 2006-08-31 | 2008-03-05 | Liebherr-Werk Nenzing GmbH | Safety and steering method for cranes |
| CN204281135U (en) * | 2014-12-10 | 2015-04-22 | 新疆庞源机械工程有限公司 | Tower machine limiter of moment |
| CN105174059A (en) * | 2015-09-30 | 2015-12-23 | 长沙广致电子科技有限公司 | Intelligent parameter acquiring moment limiter based on wireless sensing technology |
| CN208561508U (en) * | 2018-07-05 | 2019-03-01 | 江西飞达电气设备有限公司 | A kind of tower crane moment amplitude limiter |
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| Publication number | Publication date |
|---|---|
| CN108584734A (en) | 2018-09-28 |
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