CN108675144A - A kind of high pedestal jib crane limiter of moment - Google Patents
A kind of high pedestal jib crane limiter of moment Download PDFInfo
- Publication number
- CN108675144A CN108675144A CN201810728452.XA CN201810728452A CN108675144A CN 108675144 A CN108675144 A CN 108675144A CN 201810728452 A CN201810728452 A CN 201810728452A CN 108675144 A CN108675144 A CN 108675144A
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- China
- Prior art keywords
- limiter
- main body
- guard shield
- buckle
- handle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 238000013016 damping Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 3
- 230000006378 damage Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000638 stimulation Effects 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
- B66C15/00—Safety gear
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T19/00—Devices providing for corona discharge
- H01T19/04—Devices providing for corona discharge having pointed electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/08—Electrical assemblies or electrical control devices for cranes, winches, capstans or electrical hoists
- B66C2700/084—Protection measures
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Jib Cranes (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention discloses a kind of high pedestal jib crane limiters of moment,Including limiter main body,The bottom of limiter main body is provided with buckle-type mounting seat,Damping bed course is provided at the top of buckle-type mounting seat,Limiter handle is provided at the top of limiter main body,It is provided with lightning rod at the top of limiter handle,The side of limiter handle is provided with buckle control button,The side of limiter main body is provided with the first guard shield,First guard shield is internally provided with connecting pin socket,The other side of limiter main body is provided with the second guard shield,Second guard shield is internally provided with output end interface,Ground wire access interface is provided with immediately below second guard shield,Solves the influence that limiter is vulnerable to thunderstorm environment,The component inside limiter can be influenced because of the electric current of high intensity and be destroyed and the problem of limiter of moment is inconvenient to mount and dismount under conditions of thunderstorm.
Description
Technical field
The present invention relates to crane torque limiter technical field, specially a kind of high pedestal jib crane limiter of moment.
Background technology
High pedestal jib crane is jib-type crane of the crane span structure by both sides outrigger support on ground rail or ground, door
A seating crane is widely used in harbour, the cargo handling of harbour, the construction and installation in shipyard and the construction work of large hydropower station
Cheng Zhong, crane torque limiter are a kind of independent secure operating system controlled completely by computer, can be detected automatically
The quality and the angle residing for crane arm of the hung load of high pedestal jib crane, and can show its nominal load capacity and real load,
Angle residing for the radius of clean-up, crane arm, real time monitoring detection crane operating mode, carries diagnostic function, quick unsafe condition report
Alert and security control has black box function, automatically records dangerous working condition when operation, and foundation is provided for crash analysis processing.
But existing high pedestal jib crane limiter of moment is mostly that can be influenced by thunderstorm environment, in the item of thunderstorm
The component inside limiter can be influenced and be destroyed because of the electric current of high intensity under part, not only influence the precision of limiter
Irremediable damage can be also caused to limiter, and limiter of moment is inconvenient to mount and dismount, due to lifting equipment, tear open
Unload, move and install it is very frequent so that staff devote a tremendous amount of time come to limiter of moment carry out installation and
Dismounting, and certain destruction can be also caused to limiter of moment during installation and removal.
So how to design a kind of high pedestal jib crane limiter of moment, becoming us will currently solve the problems, such as.
Invention content
The purpose of the present invention is to provide a kind of high pedestal jib crane limiters of moment, to solve to carry in above-mentioned background technology
Go out can be influenced by thunderstorm environment, under conditions of thunderstorm can because high intensity electric current and to the component inside limiter into
The problem of row influences and destruction is inconvenient to mount and dismount with limiter of moment.
To achieve the above object, the present invention provides the following technical solutions:A kind of high pedestal jib crane limiter of moment, including
The bottom of limiter main body, the limiter main body is provided with buckle-type mounting seat, the top of the buckle-type mounting seat
It is provided with damping bed course, limiter handle, the top setting of the limiter handle are provided at the top of the limiter main body
There are lightning rod, the side of the limiter handle to be provided with buckle control button, the side of the limiter main body is provided with
One guard shield, first guard shield are internally provided with connecting pin socket, the other side setting of the limiter main body
Have the second guard shield, second guard shield is internally provided with output end interface, second guard shield just under
Side is provided with ground wire access interface, and the front of the limiter main body is provided with work light, display screen and control button, institute
The back side for stating limiter main body is provided with voice alarm device and limiter fixing groove, and the limiter main body is internally provided with guarantor
Cavity is protected, the protection cavity is internally provided with automatic power-off switch, and the bottom of the automatic power-off switch is provided with first
The bottom end of cable, first cable is connected with pressure sensor, and one end of the pressure sensor is connected with the second cable, institute
The one end for stating the second cable is connected with processor, and the processor is connected separately with electromagnetic relay and length by the second cable
Sensor.
Further, the voice alarm device is provided with multiple, and multiple voice alarm devices are arranged in " matrix ", together
Shi Suoshu voice alarm devices are embedded in the back side for being provided with limiter main body.
Further, multiple movable buckles are provided on the inside of the buckle-type mounting seat, and multiple movable buckles are in
Equidistant arrangement, while the buckle-type mounting seat is closely welded in the bottom of damping bed course.
Further, first guard shield and the second guard shield are process by aluminium alloy, and described first
The thickness of guard shield and the second guard shield is five millimeters, while first guard shield and the second guard shield are embedding
Enter to be provided with the side of limiter main body.
Further, the shape of the limiter handle is in " N " type, and the limiter handle is closely welded in limiter
The top of main body, while the top of the limiter handle is closely welded with lightning rod.
Further, it is described protection cavity include be set to protection cavity in automatic power-off switch, electromagnetic relay,
Linear transducer and pressure sensor, and the automatic power-off switch, electromagnetic relay, linear transducer and pressure sensor are equal
It is electrically connected by the second cable and processor.
Compared with prior art, the beneficial effects of the invention are as follows:This kind of high pedestal jib crane limiter of moment, is provided with card
Button mounting seat buckles control button and limiter handle, and multiple movable buckles are provided on the inside of buckle-type mounting seat,
And movable buckle and buckle control button mechanical connection, buckle control button are set to the side of limiter handle, pass through buckle
Control button controls the movable buckle on the inside of buckle-type mounting seat, passes through limiter handle side convenient for staff
Buckle control button portable operation is carried out to the installation of limiter main body, solving limiter of moment is inconvenient to pacify installation and dismantling
The problem of unloading reduces due to lifting equipment, what what dismounting, resettlement and installation very frequent two were spent largely mounted and dismounted
Time can also cause limiter of moment asking for certain destruction to effectively avoid during installation and removal
Topic is provided with lightning rod, ground wire connectivity port and automatic power-off switch, and lightning rod is electrically connected with ground wire connectivity port, from
Dynamic circuit breaker electric switch automatically powers off after the stimulation by extraneous thunder and lightning, to inside limiter circuit and component protect
Shield, by lightning rod by most electric current introduce ground and automatic power-off switch to inside limiter circuit and portion
Part is protected, to solve can be influenced by thunderstorm environment, under conditions of thunderstorm can because high intensity electric current and
The problem of component inside limiter is influenced and destroyed, effectively avoids influence of the thunder and lightning to the precision of limiter,
And limiter is protected, it is not caused destruction.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention;
Fig. 2 is the whole structure schematic diagram of the present invention;
Fig. 3 is the sectional view of the present invention.
In figure:1, buckle-type mounting seat, 2, damping bed course, the 3, first guard shield, 4, connecting pin socket, 5, buckle control
Button processed, 6, limiter handle, 7, lightning rod, 8, work light, 9, display screen, 10, control button, 11, ground wire incoming end
Mouthful, the 12, second guard shield, 13, output end interface, 14, voice alarm device, 15, limiter fixing groove, 16, limiter main body,
17, the first cable, the 18, second cable, 19, automatic power-off switch, 20, electromagnetic relay, 21, linear transducer, 22, protection it is empty
Chamber, 23, processor, 24, pressure sensor.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution:A kind of high pedestal jib crane limiter of moment, including card
Button mounting seat 1, damping bed course 2, the first guard shield 3, connecting pin socket 4, buckle control button 5, limiter handle 6,
Lightning rod 7, work light 8, display screen 9, control button 10, ground wire access interface 11, the second guard shield 12, output termination
Mouth 13, limiter fixing groove 15, limiter main body 16, the first cable 17, the second cable 18, automatically powers off voice alarm device 14
Switch 19, electromagnetic relay 20, linear transducer 21, protection cavity 22, processor 23 and pressure sensor 24 can pass through city
Field purchase and private customization acquisition.
The bottom of limiter main body 16 is provided with buckle-type mounting seat 1, and the inside of buckle-type mounting seat 1 is provided with more
A movable buckle, and multiple movable buckles are in equidistant arrangement, while buckle-type mounting seat 1 is closely welded in damping bed course 2
Bottom, buckle-type mounting seat 1 are fixed and are installed to limiter main body by movable buckle, buckle-type mounting seat
1 top is provided with damping bed course 2, and the top of limiter main body 16 is provided with limiter handle 6, the shape of limiter handle 6
In " N " type, and limiter handle 6 is closely welded in the top of limiter main body 16, while the top of limiter handle 6 is closely welded
It is connected to lightning rod 7, limiter handle 6 can be convenient for moving limiter main body 16, and the top of limiter handle 6 is provided with
The side of lightning rod 7, limiter handle 6 is provided with buckle control button 5, and the side of limiter main body 16 is provided with the first protection
Shell 3, the first guard shield 3 are internally provided with connecting pin socket 4, and the other side of limiter main body 16 is provided with the second protection
Shell 12, the first guard shield 3 and the second guard shield 12 are process by aluminium alloy, and the first guard shield 3 and second
The thickness of guard shield 12 is five millimeters, while the embedded setting of the first guard shield 3 and the second guard shield 12 is restricted
The side of device main body 16, the first guard shield 3 and the second guard shield 12 that aluminium alloy is process have superpower anti-electromagnetism
Jamming performance is protected so as to butt joint when being electrically connected, and being internally provided with for the second guard shield 12 is defeated
Go out end interface 13, the underface of the second guard shield 12 is provided with ground wire access interface 11, the front setting of limiter main body 16
There are work light 8, display screen 9 and control button 10, the back side of limiter main body 16 to be provided with voice alarm device 14 and limit
Device fixing groove 15, voice alarm device 14 are provided with multiple, and multiple voice alarm devices 14 are arranged in " matrix ", while voice alarm
Device 14, which is embedded in, is provided with the back side of limiter main body 16, voice alarm device 14 be processed device 23 to electric signal when voice
Magnetic stripe energization in alarm 14 is translated into acoustical signal, to send out alarm, the inside setting of limiter main body 16
There are protection cavity 22, protection cavity 22 to be internally provided with automatic power-off switch 19, the bottom of automatic power-off switch 19 is provided with
The bottom end of first cable 17, the first cable 17 is connected with pressure sensor 24, and one end of pressure sensor 24 is connected with the second electricity
One end of cable 18, the second cable 18 is connected with processor 23, and processor 23 is connected separately with electromagnetism relay by the second cable 18
What device 20 and linear transducer 21 protected cavity 22 includes the automatic power-off switch 19 being set in protection cavity 22, electromagnetism relay
Device 20, linear transducer 21 and pressure sensor 24, and automatic power-off switch 19, electromagnetic relay 20,21 and of linear transducer
Pressure sensor 24 is electrically connected by the second cable 18 with processor 23, and automatic power-off switch 19 is pierced by external environment
It can be automatically powered off when sharp, to be protected to the component in limiter main body 16, electromagnetic relay 20 works as limiter main body 16
Interior input quantity can automatically adjust the size and conversion circuit of electric current when reaching prescribed requirement, to be protected to component,
The information that pressure sensor 24 can be incuded by the power that sensing element receives limiter main body 16, and will be sensed
It is passed in processor 23 by being converted into electric signal, linear transducer 21 can be by sensing element to the movable length of crane
Incuded, and information is passed to by electric signal in processor 23.
Instrument in the present invention:Voice alarm device JQ932(Shanghai Ai Ou Trapaceaes Co., Ltd)
Automatic power-off switch H1500(Hangzhou blue light Electronics Co., Ltd.)
Electromagnetic relay JTX-3CDC24V
Linear transducer MPS-S-1000-A2
Processor Inter(Samsung)
Pressure sensor SIN-P300
Operation principle:First, staff checks whether each component capabilities of seat type crane torque limiter are problematic, if hair
It after more existing component capabilities are of poor, should be repaired or replaced in time, each portion of high pedestal jib crane limiter of moment to be checked
Limiter main body 16 is installed by buckle-type mounting seat 1 after part is normal, it is right secondly by limiter fixing groove 15
Limiter main body 16 is fixed, and is then attached connector by connecting pin socket 4 and output end interface 13 respectively, then so
Ground wire is attached by ground wire access interface 11 afterwards, then linear transducer 21 and pressure sensor 24 are to seat type lifting
The movable length of the torque of machine and suffered pressure are incuded, and induction information is transmitted in processor 23 by electric signal
Interior, then processor 23 powers off automatic power-off switch, then carries out sending out the life for changing circuit to electromagnetic relay 20
It enables, then sends out the instruction of voice alarm to voice alarm device 14 simultaneously, work finishes.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of high pedestal jib crane limiter of moment, including limiter main body(16), it is characterised in that:The limiter main body
(16)Bottom be provided with buckle-type mounting seat(1), the buckle-type mounting seat(1)Top be provided with damping bed course
(2), the limiter main body(16)Top be provided with limiter handle(6), the limiter handle(6)Top be provided with
Lightning rod(7), the limiter handle(6)Side be provided with buckle control button(5), the limiter main body(16)One
Side is provided with the first guard shield(3), first guard shield(3)Be internally provided with connecting pin socket(4), the limitation
Device main body(16)The other side be provided with the second guard shield(12), second guard shield(12)Be internally provided with output
End interface(13), second guard shield(12)Underface be provided with ground wire access interface(11), the limiter main body
(16)Front be provided with work light(8), display screen(9)And control button(10), the limiter main body(16)The back of the body
Face is provided with voice alarm device(14)With limiter fixing groove(15), the limiter main body(16)To be internally provided with protection empty
Chamber(22), the protection cavity(22)Be internally provided with automatic power-off switch(19), the automatic power-off switch(19)Bottom
Portion is provided with the first cable(17), first cable(17)Bottom end be connected with pressure sensor(24), the pressure sensing
Device(24)One end be connected with the second cable(18), second cable(18)One end be connected with processor(23), the place
Manage device(23)Pass through the second cable(18)It is connected separately with electromagnetic relay(20)And linear transducer(21).
2. a kind of high pedestal jib crane limiter of moment according to claim 1, it is characterised in that:The voice alarm device
(14)It is provided with multiple, and multiple voice alarm devices(14)It is arranged in " matrix ", while the voice alarm device(14)It is embedding
Enter to be provided with limiter main body(16)The back side.
3. a kind of high pedestal jib crane limiter of moment according to claim 1, it is characterised in that:The buckle-type installation
Pedestal(1)Inside be provided with multiple movable buckles, and multiple movable buckles are in equidistant arrangement, while the buckle-type installs bottom
Seat(1)Closely it is welded in damping bed course(2)Bottom.
4. a kind of high pedestal jib crane limiter of moment according to claim 1, it is characterised in that:First protection is outer
Shell(3)With the second guard shield(12)It is process by aluminium alloy, and first guard shield(3)With the second guard shield
(12)Thickness be five millimeters, while first guard shield(3)With the second guard shield(12)Embedded setting is limited
Device main body processed(16)Side.
5. a kind of high pedestal jib crane limiter of moment according to claim 1, it is characterised in that:The limiter handle
(6)Shape be in " N " type, and the limiter handle(6)Closely it is welded in limiter main body(16)Top, while the limit
Device handle processed(6)Top be closely welded with lightning rod(7).
6. a kind of high pedestal jib crane limiter of moment according to claim 1, it is characterised in that:The protection cavity
(22)Include be set to protection cavity(22)Interior automatic power-off switch(19), electromagnetic relay(20), linear transducer
(21)And pressure sensor(24), and the automatic power-off switch(19), electromagnetic relay(20), linear transducer(21)And pressure
Force snesor(24)Pass through the second cable(18)With processor(23)It is electrically connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810728452.XA CN108675144B (en) | 2018-07-05 | 2018-07-05 | Moment limiter of gantry crane |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810728452.XA CN108675144B (en) | 2018-07-05 | 2018-07-05 | Moment limiter of gantry crane |
Publications (2)
Publication Number | Publication Date |
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CN108675144A true CN108675144A (en) | 2018-10-19 |
CN108675144B CN108675144B (en) | 2024-03-22 |
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CN201810728452.XA Active CN108675144B (en) | 2018-07-05 | 2018-07-05 | Moment limiter of gantry crane |
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Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2234942Y (en) * | 1995-12-25 | 1996-09-11 | 陈家忠 | Anti-explosive device of force moment-limiting device for crane |
CN203166460U (en) * | 2013-03-05 | 2013-08-28 | 上海大学 | Fault current limiter |
CN103303804A (en) * | 2013-06-17 | 2013-09-18 | 宜昌市创星电子技术发展有限公司 | Torque limiter of derrick crane |
CN203794529U (en) * | 2014-01-09 | 2014-08-27 | 常州力航电气科技有限公司 | Lifting height limiter |
CN204823856U (en) * | 2015-06-24 | 2015-12-02 | 河南省华祥起重机械有限公司 | Hoist overload restraining device |
CN205312895U (en) * | 2016-01-30 | 2016-06-15 | 河南恒达机电设备有限公司 | Elevating capacity stopper |
CN205397919U (en) * | 2016-03-24 | 2016-07-27 | 石琪晟 | Crane moment limiter |
CN106865431A (en) * | 2015-12-14 | 2017-06-20 | 王冠红 | The torque limiter of tyre crane and its method for limiting |
CN206307915U (en) * | 2016-12-27 | 2017-07-07 | 宜昌三思科技股份有限公司 | A kind of limiter of moment for possessing statistics and download function |
CN107024642A (en) * | 2017-06-15 | 2017-08-08 | 国网山东省电力公司龙口市供电公司 | A kind of portable cable fault detector |
CN206486200U (en) * | 2017-02-12 | 2017-09-12 | 夏琪 | A kind of crane preventing colliding with top for not influenceing lifting altitude prevents overweight limiter |
CN206886511U (en) * | 2017-05-17 | 2018-01-16 | 瞿勇 | A kind of 110KV line sides install the special hoisting bar of arrester additional |
CN207524847U (en) * | 2017-09-15 | 2018-06-22 | 长沙华德科技开发有限公司 | A kind of band records the crane torque limiter with data encrypting and deciphering function in real time |
CN208485510U (en) * | 2018-07-05 | 2019-02-12 | 江西飞达电气设备有限公司 | A kind of high pedestal jib crane limiter of moment |
-
2018
- 2018-07-05 CN CN201810728452.XA patent/CN108675144B/en active Active
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2234942Y (en) * | 1995-12-25 | 1996-09-11 | 陈家忠 | Anti-explosive device of force moment-limiting device for crane |
CN203166460U (en) * | 2013-03-05 | 2013-08-28 | 上海大学 | Fault current limiter |
CN103303804A (en) * | 2013-06-17 | 2013-09-18 | 宜昌市创星电子技术发展有限公司 | Torque limiter of derrick crane |
CN203794529U (en) * | 2014-01-09 | 2014-08-27 | 常州力航电气科技有限公司 | Lifting height limiter |
CN204823856U (en) * | 2015-06-24 | 2015-12-02 | 河南省华祥起重机械有限公司 | Hoist overload restraining device |
CN106865431A (en) * | 2015-12-14 | 2017-06-20 | 王冠红 | The torque limiter of tyre crane and its method for limiting |
CN205312895U (en) * | 2016-01-30 | 2016-06-15 | 河南恒达机电设备有限公司 | Elevating capacity stopper |
CN205397919U (en) * | 2016-03-24 | 2016-07-27 | 石琪晟 | Crane moment limiter |
CN206307915U (en) * | 2016-12-27 | 2017-07-07 | 宜昌三思科技股份有限公司 | A kind of limiter of moment for possessing statistics and download function |
CN206486200U (en) * | 2017-02-12 | 2017-09-12 | 夏琪 | A kind of crane preventing colliding with top for not influenceing lifting altitude prevents overweight limiter |
CN206886511U (en) * | 2017-05-17 | 2018-01-16 | 瞿勇 | A kind of 110KV line sides install the special hoisting bar of arrester additional |
CN107024642A (en) * | 2017-06-15 | 2017-08-08 | 国网山东省电力公司龙口市供电公司 | A kind of portable cable fault detector |
CN207524847U (en) * | 2017-09-15 | 2018-06-22 | 长沙华德科技开发有限公司 | A kind of band records the crane torque limiter with data encrypting and deciphering function in real time |
CN208485510U (en) * | 2018-07-05 | 2019-02-12 | 江西飞达电气设备有限公司 | A kind of high pedestal jib crane limiter of moment |
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Publication number | Publication date |
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CN108675144B (en) | 2024-03-22 |
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