CN106400876B - Fall off to forklift teeth based on electromagnetic induction system the signal transmitting alarming device being monitored - Google Patents
Fall off to forklift teeth based on electromagnetic induction system the signal transmitting alarming device being monitored Download PDFInfo
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- CN106400876B CN106400876B CN201610834353.0A CN201610834353A CN106400876B CN 106400876 B CN106400876 B CN 106400876B CN 201610834353 A CN201610834353 A CN 201610834353A CN 106400876 B CN106400876 B CN 106400876B
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- Prior art keywords
- electromagnetic plate
- signal transmitting
- electromagnetic
- teeth
- signal
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/26—Indicating devices
- E02F9/267—Diagnosing or detecting failure of vehicles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
- E02F9/2808—Teeth
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The present invention provides the signal transmitting alarming device for falling off and being monitored to forklift teeth based on electromagnetic induction system, includes the trigger circuit circuit being made of power supply, signal generator and magnetic induction switch, the signal generator is connected with signal transmitting terminal;Wherein magnetic induction switch includes 2 mutually non-touching contacts, the first electromagnetic plate, the second electromagnetic plate between contact and the first electromagnetic plate on trigger circuit circuit;When teeth is normally connect with scraper bowl, the second electromagnetic plate is adsorbed to disconnect the trigger circuit circuit by the first electromagnetic plate;When teeth and scraper bowl generate relative displacement or rotation, the reduction of the contact area of second electromagnetic plate and the first electromagnetic plate causes mutual magnetic force to reduce, it adsorbs to be connected to trigger circuit circuit with 2 contacts so that the second electromagnetic plate is detached from the first electromagnetic plate, signal generator generates signal and sent out by signal transmitting terminal.The present apparatus is of low cost, design is small and exquisite is easily installed, and can find that teeth falls off in time.
Description
Technical field
The present invention relates to forklift teeth to slide monitoring field, and in particular to one kind is de- to forklift teeth based on electromagnetic induction system
Fall the signal transmitting alarming device being monitored.
Background technology
During loading ore, since bolt is broken, the teeth on scraper bowl falls off forklift frequent occurrence.Forklift is filling
During carrying ore, the teeth to fall off can be packed into mine car together with ore.If cannot find in time, the teeth that falls off can and
Ore is discharged into ore crusher together.Teeth is very hard, once into crusher, crusher can be stuck, and cause crusher
The damage of the components such as roller tooth and deceleration system, to cause great economic loss.
In the prior art, using industrial camera come the case where monitoring teeth, due to by weather conditions, air quality,
The vibration influence occurred in work progress, monitoring result are undesirable.
Invention content
The technical problem to be solved by the present invention is to:A kind of fall off to forklift teeth based on electromagnetic induction system is provided to be monitored
Signal emit alarming device, can find that teeth falls off in time.
The technical solution taken by the invention to solve the above technical problem is:It is de- to forklift teeth based on electromagnetic induction system
Fall the signal transmitting alarming device being monitored, it is characterised in that:It includes by power supply, signal generator and magnetic induction switch structure
At trigger circuit circuit, the signal generator is connected with signal transmitting terminal;Wherein magnetic induction switch includes trigger circuit
2 mutually non-touching contacts, the first electromagnetic plate on circuit, the second electromagnetic plate between contact and the first electromagnetic plate;
When teeth is normally connect with scraper bowl, second electromagnetic plate is disconnected described by the absorption of the first electromagnetic plate
Trigger circuit circuit;When teeth and scraper bowl generate relative displacement or rotation, second electromagnetic plate and the first electromagnetic plate
Contact area reduction causes mutual magnetic force to reduce, and is touched with described 2 so that the second electromagnetic plate is detached from the first electromagnetic plate
Head absorption generates signal and is sent out by signal transmitting terminal to the connection trigger circuit circuit, signal generator.
By said program, first electromagnetic plate is fixed on teeth, and other all components are arranged on scraper bowl.
By said program, the magnetic induction switch further includes the force rod that one end is connect with the second electromagnetic plate, force rod
The other end be fixed on scraper bowl by spring, the middle part of force rod is connected to by fixed link on scraper bowl, force rod and fixation
It is flexibly connected between bar;When the second electromagnetic plate and the first electromagnetic plate adsorb, the spring is tensional state.
By said program, the present apparatus further includes the signal receiving end and warning device being connected with each other, signal receiving end and report
Alarm device is arranged at operating room.
By said program, the signal generator is pulse signal generator, and the signal transmitting terminal is believed for pulse
Number transmitting terminal.
By said program, the warning device is alarm and/or alarm lamp.
By said program, the power supply includes 2 batteries parallel with one another.
Beneficial effects of the present invention are:
1, it is monitored to whether teeth slides using magnetic induction switch, once relative displacement occurs for teeth and scraper bowl, is touched
Power Generation Road circuit just forms access, and signal projector just generates signal, is launched signal using signal transmitting terminal;The present apparatus
For normally opened circuit, it is in off state under normal circumstances, electric energy will not consume, and reach energy saving purpose;The present apparatus is of low cost, sets
Count it is small and exquisite be easily installed, and when the relative displacement of teeth and scraper bowl is more than the threshold value of setting and while not completely falling off can send out
Alarm can find that teeth falls off in time, prevent teeth from falling off to be mixed into ore and be difficult to find, compared with prior art, be not easy
It is influenced by extraneous factor, detection is accurate.
2, only a piece of electromagnetic plate is arranged in teeth, and most circuit element is convenient in scraper bowl to circuit
The protection and installation of element only need to add a piece of electromagnetic plate on new teeth if teeth is broken and needs replacing, into
One step it is cost-effective.
It 3, can be after the second electromagnetic plate and the first electromagnetic plate be detached from, it is ensured that the second electricity by the way that force rod and spring is arranged
Magnetic sheet is in contact under the action of the power of spring with contact, to be connected to trigger circuit circuit.
4, in operating room setting signal receiving terminal and warning device so that operating personnel can timely hear or see report
Alert signal, makes corresponding remedial measure in time.
5,2 cell parallels are set, prevent from being also connected to trigger circuit circuit in time in the case of a battery failure.
Description of the drawings
Fig. 1 is the principle schematic of one embodiment of the invention.
Position of the switch schematic diagram is induced when Fig. 2 is scraper bowl and teeth horizontal displacement.
Fig. 3 is that scraper bowl and teeth induce the position of the switch schematic diagram when rotating horizontally.
Fig. 4 is that integrated circuit signal emission system and switch induce schematic diagram.
In figure:The first electromagnetic plates of 1-, the second electromagnetic plates of 2-, 3- contacts, 4- force rods, 5- springs, 6- scraper bowls, 7- are fixed
Bar, 8- signal generators, 9- signal transmitting terminals, 10- batteries.
Specific implementation mode
With reference to specific example and attached drawing, the present invention will be further described.
The present invention provides the signal transmitting alarming device for falling off and being monitored to forklift teeth based on electromagnetic induction system, such as schemes
Shown in 1 and Fig. 4, it includes the trigger circuit circuit being made of power supply, signal generator 8 and magnetic induction switch, the signal
Generator 8 is connected with signal transmitting terminal 9;Wherein magnetic induction switch includes 2 on trigger circuit circuit mutually non-touching tactile
First 3, first electromagnetic plate 1, the second electromagnetic plate 2 between contact 3 and the first electromagnetic plate 1;When teeth is normally connect with scraper bowl 6
When, second electromagnetic plate 2 is adsorbed to disconnect the trigger circuit circuit by the first electromagnetic plate 1;When teeth and scraper bowl 6
When generating relative displacement or rotation, as shown in Figures 2 and 3, the contact area of second electromagnetic plate 2 and the first electromagnetic plate 1
Reduction causes mutual magnetic force to reduce, and is adsorbed with 2 contacts 3 so that the second electromagnetic plate 2 is detached from the first electromagnetic plate 1
To the connection trigger circuit circuit, signal generator 8 generates signal and is sent out by signal transmitting terminal 9.
Preferably, first electromagnetic plate 1 is fixed on teeth, and other all components are arranged on scraper bowl 6.
Further, the magnetic induction switch further includes the force rod 4 that one end is connect with the second electromagnetic plate 2, force rod 4
The other end be fixed on scraper bowl 6 by spring 5, the middle part of force rod 4 is connected to by fixed link 7 on scraper bowl 6, force rod 4
It is flexibly connected between fixed link 7;When the second electromagnetic plate 2 and the first electromagnetic plate 1 adsorb, the spring 5 is tensional state.
Further, the present apparatus further includes the signal receiving end and warning device being connected with each other, signal receiving end and alarm
Device is arranged at operating room, can be made into a small-sized sensing device and carries.
Preferably, the signal generator 8 is pulse signal generator, and the signal transmitting terminal 9 is pulse signal
Transmitting terminal.
Preferably, the warning device is alarm and/or alarm lamp.
Preferably, the power supply includes 2 batteries 10 parallel with one another.
In the present embodiment, when relative displacement occurs for teeth and scraper bowl, that is, be embedded in 2 electromagnetic plates on teeth and scraper bowl it
Between be staggered certain distance L, or when rotating to certain angle a, when magnetic force between the two decreases below the pulling force of spring,
Two electromagnetic plates 2 are detached from the absorption of the first electromagnetic plate 1, and are adsorbed with contact 3, and trigger circuit circuit forms access, pulse signal hair
The signal that raw device generates is sent out by pulse signal transmitting terminal, is sounded the alarm when the signal receiving end of operating room receives signal
Ring and/or indicator light light flicker, prompting shovel operating personnel stop operation immediately, construction personnel go through will fall off or
The teeth to have fallen off, and repair.
In order to which the safety of trigger circuit circuit and electromagnetic plate, reliability, water, shock move performance, need in circuit peripheral hardware
Set layer protective layer.
To ensure the reliability of the explosion prior-warning device, the present apparatus should be checked every 30 days, if it find that broken
Damage should be replaced in time, in order to avoid when teeth falls off, cannot play the role of alarm.
Above example is merely to illustrate the design philosophy and feature of the present invention, and its object is to make technology in the art
Personnel can understand the content of the present invention and implement it accordingly, and protection scope of the present invention is not limited to the above embodiments.So it is all according to
According to equivalent variations or modification made by disclosed principle, mentality of designing, within protection scope of the present invention.
Claims (7)
1. fall off to forklift teeth based on electromagnetic induction system the signal transmitting alarming device being monitored, it is characterised in that:It is wrapped
The trigger circuit circuit being made of power supply, signal generator and magnetic induction switch is included, the signal generator is connected with signal
Transmitting terminal;Wherein magnetic induction switch includes 2 mutually non-touching contacts on trigger circuit circuit, the first electromagnetic plate, is located at
The second electromagnetic plate between contact and the first electromagnetic plate;
When teeth is normally connect with scraper bowl, second electromagnetic plate is adsorbed to disconnect the triggering by the first electromagnetic plate
Circuit loop;When teeth and scraper bowl generate relative displacement or rotation, the contact of second electromagnetic plate and the first electromagnetic plate
Area reduction causes mutual magnetic force to reduce, and is inhaled with 2 contacts so that the second electromagnetic plate is detached from the first electromagnetic plate
It chimes in and is connected to the trigger circuit circuit, signal generator generates signal and sent out by signal transmitting terminal.
2. the signal transmitting warning dress according to claim 1 that be monitored that fallen off to forklift teeth based on electromagnetic induction system
It sets, it is characterised in that:First electromagnetic plate is fixed on teeth, and other all components are arranged on scraper bowl.
3. the signal transmitting warning dress according to claim 2 that be monitored that fallen off to forklift teeth based on electromagnetic induction system
It sets, it is characterised in that:The magnetic induction switch further includes the force rod that one end is connect with the second electromagnetic plate, force rod it is another
End is fixed on by spring on scraper bowl, and the middle part of force rod is connected to by fixed link on scraper bowl, between force rod and fixed link
Flexible connection;When the second electromagnetic plate and the first electromagnetic plate adsorb, the spring is tensional state.
4. the signal transmitting warning dress according to claim 1 that be monitored that fallen off to forklift teeth based on electromagnetic induction system
It sets, it is characterised in that:The present apparatus further includes the signal receiving end and warning device being connected with each other, signal receiving end and warning device
It is arranged at operating room.
5. the signal transmitting police according to claim 1 or 4 that be monitored that fallen off to forklift teeth based on electromagnetic induction system
Showing device, it is characterised in that:The signal generator is pulse signal generator, and the signal transmitting terminal is pulse signal
Transmitting terminal.
6. the signal transmitting warning dress according to claim 4 that be monitored that fallen off to forklift teeth based on electromagnetic induction system
It sets, it is characterised in that:The warning device is alarm.
7. the signal transmitting warning dress according to claim 1 that be monitored that fallen off to forklift teeth based on electromagnetic induction system
It sets, it is characterised in that:The power supply includes 2 batteries parallel with one another.
Priority Applications (1)
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CN201610834353.0A CN106400876B (en) | 2016-09-20 | 2016-09-20 | Fall off to forklift teeth based on electromagnetic induction system the signal transmitting alarming device being monitored |
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CN201610834353.0A CN106400876B (en) | 2016-09-20 | 2016-09-20 | Fall off to forklift teeth based on electromagnetic induction system the signal transmitting alarming device being monitored |
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CN106400876A CN106400876A (en) | 2017-02-15 |
CN106400876B true CN106400876B (en) | 2018-09-18 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107288173B (en) * | 2017-06-30 | 2019-09-10 | 武汉理工大学 | Power shovel teeth wireless monitoring-alarming system and method based on weak magnetic field testing |
JP7002251B2 (en) * | 2017-08-31 | 2022-01-20 | 川崎重工業株式会社 | Removal judgment device and control unit |
CN108532674A (en) * | 2018-03-30 | 2018-09-14 | 武汉理工大学 | A kind of power shovel teeth dropping-alarming device based on 2.4GHz wireless modules |
CN108755831B (en) * | 2018-06-23 | 2021-07-13 | 中铁九局集团第四工程有限公司 | Real-time monitoring and alarming method and device for falling of electric bucket teeth based on Internet of things technology |
CN112337242A (en) * | 2020-10-21 | 2021-02-09 | 江苏旭龙环境科技有限公司 | Gas accumulation preventing waste gas treatment system and method |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201074341Y (en) * | 2007-08-30 | 2008-06-18 | 江西铜业集团公司 | Digging machine teeth monitoring arrangement |
CN202755396U (en) * | 2012-08-27 | 2013-02-27 | 中国神华能源股份有限公司 | Excavator form relieved tooth loss monitoring device and excavator |
DE102013002079A1 (en) * | 2013-02-06 | 2014-08-07 | Volvo Construction Equipment Germany GmbH | Construction machinery |
CN203373805U (en) * | 2013-07-31 | 2014-01-01 | 王均义 | Ground touching sensing device of loader bucket |
US20150098786A1 (en) * | 2013-10-03 | 2015-04-09 | Caterpillar Inc. | Work tool position sensing assembly |
CN204001040U (en) * | 2014-07-16 | 2014-12-10 | 中铁九局集团有限公司 | Electronic alarming type slip-off preventing electric bucket tooth |
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