CN103552504A - Back-up safety system of loading machine - Google Patents
Back-up safety system of loading machine Download PDFInfo
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- CN103552504A CN103552504A CN201310547450.8A CN201310547450A CN103552504A CN 103552504 A CN103552504 A CN 103552504A CN 201310547450 A CN201310547450 A CN 201310547450A CN 103552504 A CN103552504 A CN 103552504A
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Abstract
The invention relates to the field of a loading machine, in particular to a back-up safety system of a loading machine. By the adoption of the back-up safety system of the loading machine, the safety of the loading machine in the operating process can be improved. The back-up safety system comprises a power supply, a warning device, a controller, an ultrasonic sensor, a relay and electromagnetic valves, wherein the controller is arranged on the operating platform; the ultrasonic sensor is arranged at the tail of a vehicle and can be used for transmitting ultrasonic signals, receiving echo signals and sending the received echo signals to the controller in real time; the relay and the electromagnetic valves are arranged on a vehicle body; the controller is internally provided with a control module and a detecting module for detecting the echo signals in real time; the control module comprises a distance control module, an ultrasonic amplifying module and a warning-device control module; the controller is connected with the power supply; the input end of the relay and the warning device are respectively and electrically connected with the controller; the controller and the power supply form a first loop; the warning device and the controller form a second loop; a plurality of electromagnetic valves are arranged, the input ends of the electromagnetic valves are respectively connected with the output end of the relay, the output ends of the electromagnetic valves are respectively and mechanically connected with wheels of the loading machine and a speed changing box of the loading machine.
Description
Technical field
The present invention relates to loader field, in particular to loader reversing safety system.
Background technology
Loader is a kind of restoration in earth-rock construction machinery that is widely used in the construction projects such as highway, railway, building, water power, harbour, mine, it is mainly used in the bulk materials such as shovel dress soil, sandstone, lime, coal, also can dig operation to the slight shovel of the works such as ore, pan soil.Because loader has, operating speed is fast, efficiency is high, manoevreability is good, operate the advantages such as light, so it becomes one of main machine of restoration in earth-rock construction in engineering construction.
The problem existing is: the vehicle of loader own is larger, and in operation process, needs back and forth to move in multiple times or turn to, and on the loader still using at present, all without alarm device, chaufeur exists potential safety hazard in operation loader operation process.
Summary of the invention
The object of the present invention is to provide loader reversing safety system, to solve the above problems.
The loader reversing safety system providing in an embodiment of the present invention, comprising: power supply, alarm device, be located at controller on operator's station, be located at can launching in real time ultrasonic signal and receiving echoed signal and the echoed signal receiving is sent to the ultrasonic transduter of described controller and is located at relay and the electromagnetic valve on vehicle body of the tailstock;
In described controller, be provided with control module and for detecting in real time the detection module of described echoed signal, described control module comprises apart from control module, super sonic amplification module, alarm device control module;
Described controller is connected with described power supply, and the input end of described relay and described alarm device are all electrically connected to described controller, described controller and described electric power generating composition the first loop, and described alarm device and described controller form second servo loop;
Described electromagnetic valve comprises a plurality of, and the input end of a plurality of described electromagnetic valves is all connected with the mouth of described relay, and the mouth of a plurality of described electromagnetic valves is respectively by the wheel of tracheae and loader and the change speed gear box mechanical connection of loader.
Loader reversing safety system provided by the invention, on the tailstock of loader, be provided with the ultrasonic transduter that can launch in real time ultrasonic signal and receive echoed signal, loader is when operation, ultrasonic transduter sends to controller in real time by the echoed signal receiving, controller amplifies echoed signal by super sonic amplification module, and by detection of the backscatter signal module, detect and to obtain apart from whether having obstacle in the certain distance range of loader, by apart from control module, detect distance between loader and obstacle whether at safety distance with interior.
In the time that the loader obtaining when detection and the distance between obstacle being less than or equal to safety distance, driving buzzer phone control module in controller starts alarm device and reports to the police, simultaneously, controller is controlled power supply and is exported 24 volts of direct current (DC) to relay, and relay is now connected electromagnetic valve, the electromagnetic valve ventilation being connected with the wheel of loader, wheel is stopped operating, the electromagnetic valve being connected with change speed gear box is died, and change speed gear box is decommissioned, loader automatic brake.
So loader reversing safety system provided by the invention can improve the safety of loader in operation process.
Accompanying drawing explanation
The loader reversing safety system figure that Fig. 1 provides for the embodiment of the present invention 1;
The loader reversing safety system figure that Fig. 2 provides for the embodiment of the present invention 2;
101. power supplys, 102. controllers, 103. alarm devices, 104. first relays, 105. second relays, 106. the 3rd relays, 107. electromagnetic valves, 108. the 4th relays, 109. the 5th relays, 110. lamps that reverse gear, 111. key switches.
The specific embodiment
Below by specific embodiment, also by reference to the accompanying drawings the present invention is described in further detail.
Embodiment 1:
As shown in Figure 1, loader reversing safety system, comprising: power supply 101, alarm device 103, be located at controller 102 on operator's station, be located at can launching in real time ultrasonic signal and receiving echoed signal and the echoed signal receiving sent to the ultrasonic transduter of described controller 102 and be located at relay and the electromagnetic valve 107 on vehicle body of the tailstock;
In described controller 102, be provided with control module and for detecting in real time the detection module of described echoed signal, described control module comprises apart from control module, super sonic amplification module, alarm device control module;
Described controller 102 is connected with described power supply 101, the input end of described relay and described alarm device 103 are all electrically connected to described controller 102, described controller 102 and described power supply 101 form the first loop, and described alarm device 103 and described controller 102 form second servo loop;
Described electromagnetic valve 107 comprises a plurality of, and the input end of a plurality of described electromagnetic valves 107 is all connected with the mouth of described relay, and the mouth of a plurality of described electromagnetic valves 107 is respectively by the wheel of tracheae and loader and the change speed gear box mechanical connection of loader.
Loader reversing safety system provided by the invention, on the tailstock of loader, be provided with the ultrasonic transduter that can launch in real time ultrasonic signal and receive echoed signal, loader is when operation, ultrasonic transduter sends to controller 102 in real time by the echoed signal receiving, controller 102 amplifies echoed signal by super sonic amplification module, and detect and obtain apart from whether having obstacle in the certain distance range of loader by detection of the backscatter signal module, by apart from control module, detect distance between loader and obstacle whether at safety distance with interior.
In the time that the loader obtaining when detection and the distance between obstacle being less than or equal to safety distance, driving buzzer phone control module in controller 102 starts alarm device 103 and reports to the police, simultaneously, controller 102 is controlled 24 volts of direct current (DC) of power supply 101 outputs to relay, and relay is now connected electromagnetic valve 107, electromagnetic valve 107 ventilations that are connected with the wheel of loader, wheel is stopped operating, the electromagnetic valve 107 being connected with change speed gear box is died, and change speed gear box is decommissioned, loader automatic brake.
So loader reversing safety system provided by the invention can improve the safety of loader in operation process.
Embodiment 2:
Based on above-described embodiment, as shown in Figure 2, the present invention has also done following improvement:
Described electromagnetic valve 107 comprises three, and the input end of three described electromagnetic valves 107 is connected with the mouth of described relay respectively, and the mouth of three described electromagnetic valves 107 is connected with front-wheel, trailing wheel and the change speed gear box of load wagon respectively.
For loader can be braked after obtaining warning within the shortest time, three electromagnetic valves 107 can be set and respectively the front-wheel of loader, trailing wheel and change speed gear box be controlled respectively, it is braked in time.
Described relay comprises three, and three described relays are respectively the first relay 104, the second relay 105 and the 3rd relay 106;
Three relays are in parallel successively, and the input end of three described relays is all electrically connected to described controller 102, and its mouth is connected one to one with the input end of three described electromagnetic valves 107 respectively.
In order to improve the control ability of relay, a plurality of relays can be set, preferably, three relays can be set, three relays are in parallel successively, and connect one to one with three electromagnetic valves 107, and three electromagnetic valves 107 are controlled one to one respectively.
Also comprise the lamp 110 that reverses gear, the 4th relay 108 and the 5th relay 109, the input end of described the 4th relay 108 is connected with the mouth of described controller 102, the described lamp 110 that reverses gear is connected with described the 4th relay 108, described in reverse gear lamp 110 form tertiary circuits with described the 4th relay 108;
The mouth of described the 4th relay 108 is connected with the input end of described the 5th relay 109, the mouth of described the 5th relay 109 is connected with the input end of described the first relay 104, and described controller 102, described the 4th relay 108 and described the 5th relay 109 form the 4th loop.
In order to play the warning function of vision; on loader, conventionally the lamp 110 that reverses gear can be set, after chaufeur knocks gear down, in the 4th relay 108, be transfused to electric current; because reverse gear, lamp 110 and the 4th relay 108 form tertiary circuit, so the lamp 110 that reverses gear is opened.
Now, detection module detection of echoes signal in controller 102 is learnt in the time that loader being equal to or less than safety distance apart from the distance of obstacle, 24 volts of direct current (DC) of controller 102 outputs are communicated with the 5th relay 109, the first relay 104 that the now with five relay 109 is connected, the second relay 105 and the 3rd relay 106 are with being unlocked, the first relay 104, the second relay 105 and the 3rd relay 106 are given respectively 107 ventilations of three electromagnetic valves or are died simultaneously, impel loader out of service.
Also comprise for directly cutting off the key switch 111 of described power supply 101.
For make chaufeur can be in time the stopping or moving of oneself operation loader rapidly, 101 the key switch 111 of can directly cutting off the electricity supply can be set on loader.
When key switch 111 is installed, a contact of key switch 111 can be connected with power supply 101, its another contact is connected with the input end of the 5th relay 109.Now can use key switch 111 directly the power supply between power supply 101 and the 5th relay 109 101 to be cut off.
Or also a contact of key switch 111 can be connected with power supply 101, its another contact is connected with the first relay 104.Now do not need by the 5th relay 109, can directly the power supply between power supply 101 and the first relay 104 101 be cut off, now the second relay 105 and the 3rd relay 106 are also cut off power supply 101 simultaneously.
For alarm device 103 is conveniently set, alarm device 103 can be buzzer phone or emergency alarm bell, or other device that can play warning prompting all can.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. loader reversing safety system, it is characterized in that, comprising: power supply, alarm device, be located at controller on operator's station, be located at can launching in real time ultrasonic signal and receiving echoed signal and the echoed signal receiving is sent to the ultrasonic transduter of described controller and is located at relay and the electromagnetic valve on vehicle body of the tailstock;
In described controller, be provided with control module and for detecting in real time the detection module of described echoed signal, described control module comprises apart from control module, super sonic amplification module, alarm device control module;
Described controller is connected with described power supply, and the input end of described relay and described alarm device are all electrically connected to described controller, described controller and described electric power generating composition the first loop, and described alarm device and described controller form second servo loop;
Described electromagnetic valve comprises a plurality of, and the input end of a plurality of described electromagnetic valves is all connected with the mouth of described relay, and the mouth of a plurality of described electromagnetic valves is respectively by the wheel of tracheae and loader and the change speed gear box mechanical connection of loader.
2. loader reversing safety system according to claim 1, is characterized in that,
Described electromagnetic valve comprises three, and the input end of three described electromagnetic valves is connected with the mouth of described relay respectively, and the mouth of three described electromagnetic valves is connected with front-wheel, trailing wheel and the change speed gear box of load wagon respectively.
3. loader reversing safety system according to claim 2, is characterized in that,
Described relay comprises three, and three described relays are respectively the first relay, the second relay and the 3rd relay;
Three relays are in parallel successively, and the input end of three described relays is all electrically connected to described controller, and its mouth is connected one to one with the input end of three described electromagnetic valves respectively.
4. loader reversing safety system according to claim 3, is characterized in that,
Also comprise the lamp that reverses gear, the 4th relay and the 5th relay, described the 4th input end of relay and the mouth of described controller are connected, described in the lamp that reverses gear be connected with described the 4th relay, described in reverse gear lamp and described the 4th relay form tertiary circuit;
The mouth of described the 4th relay is connected with the input end of described the 5th relay, and the mouth of described the 5th relay is connected with the input end of described the first relay, and described controller, described the 4th relay and described the 5th relay form the 4th loop.
5. loader reversing safety system according to claim 4, is characterized in that,
Also comprise for directly cutting off the key switch of described power supply.
6. loader reversing safety system according to claim 5, is characterized in that,
A contact of described key switch is connected with described power supply, and its another contact is connected with the input end of described the 5th relay.
7. loader reversing safety system according to claim 5, is characterized in that,
A contact of described key switch is connected with described power supply, and its another contact is connected with described the first relay.
8. loader reversing safety system according to claim 1, is characterized in that,
Described alarm device is buzzer phone or emergency alarm bell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310547450.8A CN103552504A (en) | 2013-11-06 | 2013-11-06 | Back-up safety system of loading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310547450.8A CN103552504A (en) | 2013-11-06 | 2013-11-06 | Back-up safety system of loading machine |
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| Publication Number | Publication Date |
|---|---|
| CN103552504A true CN103552504A (en) | 2014-02-05 |
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|---|---|---|---|
| CN201310547450.8A Pending CN103552504A (en) | 2013-11-06 | 2013-11-06 | Back-up safety system of loading machine |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090099604A (en) * | 2008-03-18 | 2009-09-23 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | Warning sound control device of wheel type construction equipment |
| CN102323588A (en) * | 2011-08-29 | 2012-01-18 | 沈阳工业大学 | Reversing radar self-stop device |
| CN102501839A (en) * | 2011-11-10 | 2012-06-20 | 湖南恒新环球科技发展有限公司 | Automatic anti-collision system for reversing |
| CN202755391U (en) * | 2012-07-12 | 2013-02-27 | 熔盛机械有限公司 | Device for automatically recognizing wheel excavator traveling direction |
| CN202782910U (en) * | 2012-09-19 | 2013-03-13 | 江苏柳工机械有限公司 | Reversing alarm control device for skidding-steering loader |
| CN202923490U (en) * | 2012-10-10 | 2013-05-08 | 长安大学 | Automobile back up anti-collision warning device based on ultrasonic waves |
| CN103303195A (en) * | 2013-06-06 | 2013-09-18 | 开平市中铝实业有限公司 | Traffic safety automatic monitoring system |
| CN203558001U (en) * | 2013-11-06 | 2014-04-23 | 张力永 | Safe reversing system of loader |
-
2013
- 2013-11-06 CN CN201310547450.8A patent/CN103552504A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090099604A (en) * | 2008-03-18 | 2009-09-23 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | Warning sound control device of wheel type construction equipment |
| CN102323588A (en) * | 2011-08-29 | 2012-01-18 | 沈阳工业大学 | Reversing radar self-stop device |
| CN102501839A (en) * | 2011-11-10 | 2012-06-20 | 湖南恒新环球科技发展有限公司 | Automatic anti-collision system for reversing |
| CN202755391U (en) * | 2012-07-12 | 2013-02-27 | 熔盛机械有限公司 | Device for automatically recognizing wheel excavator traveling direction |
| CN202782910U (en) * | 2012-09-19 | 2013-03-13 | 江苏柳工机械有限公司 | Reversing alarm control device for skidding-steering loader |
| CN202923490U (en) * | 2012-10-10 | 2013-05-08 | 长安大学 | Automobile back up anti-collision warning device based on ultrasonic waves |
| CN103303195A (en) * | 2013-06-06 | 2013-09-18 | 开平市中铝实业有限公司 | Traffic safety automatic monitoring system |
| CN203558001U (en) * | 2013-11-06 | 2014-04-23 | 张力永 | Safe reversing system of loader |
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Effective date of abandoning: 20161019 |
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