CN211075662U - Dumper lifting safety self-locking alarm system - Google Patents
Dumper lifting safety self-locking alarm system Download PDFInfo
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- CN211075662U CN211075662U CN201922176877.7U CN201922176877U CN211075662U CN 211075662 U CN211075662 U CN 211075662U CN 201922176877 U CN201922176877 U CN 201922176877U CN 211075662 U CN211075662 U CN 211075662U
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Abstract
The utility model discloses a tipper lifts safe auto-lock alarm system belongs to the alarm technology field. The utility model comprises a self-locking circuit, a checking self-locking alarm circuit, a starting prohibition alarm circuit and a self-locking failure alarm circuit; the self-locking circuit comprises a release button switch, a first time delay relay, a pressure switch and a hand brake gas circuit cutting solenoid valve, a normally open contact of the release button switch is connected with the pressure switch through the first time delay relay, a normally closed contact of the release button switch is directly connected with the pressure switch and then connected with the hand brake gas circuit cutting solenoid valve in series, and the three alarm circuits are all connected to the alarm device. The utility model cuts off the self-locking circuit under the action of the release button switch, so that the vehicle can move for a short time when the carriage is lifted, the unloading requirement can be flexibly met, and the first delay relay acts at the set time to make the self-locking circuit connected; the three alarm lines send different alarm signals before starting, when the large compartment is lifted and when the self-locking is invalid, so that the driving process is safer.
Description
Technical Field
The utility model relates to an alarm technology field, more specifically say, relate to a tipper lifts safe auto-lock alarm system.
Background
The dump truck is a vehicle for automatically unloading goods by lifting a cargo compartment through hydraulic pressure or machinery, is also called as a dump truck, has the characteristics of automatic unloading, strong maneuverability and the like, is important equipment for transportation and yield preservation of a car carrier, is mainly used for yield preservation transportation of an industrial production plant area, and is easy to collide with pipelines and roads above the dump truck when the dump truck runs when lifting a large compartment due to the fact that a gas pipeline and a belt corridor inside the plant area cross the roads, and huge hidden dangers are caused. Therefore, the existing self-discharging vehicle is additionally provided with a large-compartment lifting self-locking device, and the self-locking device automatically brakes when the compartment is lifted.
However, the existing lifting self-locking system of the dump truck still has the defects that when the dump truck is in a carriage lifting state, if a driver presses a release button switch, a circuit of the lifting self-locking system of the dump truck is powered off so as to relieve the self-locking state of the vehicle, the vehicle can move, and if the driver presses the release button switch for a long time or the switch is accidentally disconnected due to faults and failure of other parts of the system, the circuit of the lifting self-locking system of the vehicle is always in the powered off state, at the moment, a lifting self-locking device is in a failure state, the vehicle can move and run in the carriage lifting state, so that potential safety hazards exist, property loss is caused, and the lives of.
according to the retrieval, Chinese patent No. Z L201120359826.9, the granted announcement date is 7/4/2012, the invention is named as a lifting and braking interlocking control system of a dump truck, wherein a two-position three-way electromagnetic valve, a travel switch and a snap switch are sequentially connected in series and then connected with a storage battery, one end of a central air passage of the two-position three-way electromagnetic valve is communicated with a vehicle-mounted air source through an air source inlet, and the other end of the central air passage is communicated with air passages at two sides and then communicated with wheel brakes through air source outlets.
Disclosure of Invention
1. Technical problem to be solved by the utility model
The utility model aims to overcome among the prior art potential hidden danger in the tipper lifts self-locking system circuit, if the problem that parts such as manual operation is improper or the switch became invalid and arouse self-locking system to become invalid, provide a tipper lifts safe self-locking alarm system, improved the security of driving and reminded the driver constantly and go safely.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
The utility model discloses a tipper lifts safe auto-lock alarm system, which comprises a power supply, ignition switch and auto-lock circuit, this auto-lock circuit includes release button switch, first time delay relay, pressure switch and manual brake gas circuit cut-off solenoid valve, ignition switch one end is connected with the power is anodal, the other end is connected with release button switch, release button switch's normally open contact is connected with pressure switch through first time delay relay, release button switch's normally closed contact connects manual brake gas circuit through pressure switch and cuts off the solenoid valve, the other end that manual brake gas circuit cut-off solenoid valve links to each other with the power negative pole.
As the utility model discloses improve still further, alarm system still include auto-lock inspection alarm line, this auto-lock inspection alarm line includes second time delay relay, ignition switch passes through second time delay relay and is connected with alarm device, alarm device connect the power supply and form power supply loop.
As the utility model discloses improve still further, alarm system still including forbidding starting alarm line, this forbidding starting alarm line lifts safety alarm relay and proximity switch including big railway carriage or compartment, the power, big railway carriage or compartment lift safety alarm relay and proximity switch and constitute a closed circuit, and big railway carriage or compartment lifts safety alarm relay's normally open contact one end and is connected with the power positive pole, the other end is connected to alarm device.
As the utility model discloses improve still further, alarm system still include auto-lock inefficacy warning circuit, this auto-lock inefficacy warning circuit includes auto-lock inefficacy warning relay, auto-lock inefficacy warning relay uses the signal of telecommunication of auto-lock circuit as the actuating signal, this auto-lock inefficacy warning relay's normally closed contact one end is connected with the power positive pole, the other end is connected to alarm device.
As a further improvement of the utility model, the release button switch adopts a CHINA-L A19 series compound switch.
As a further improvement of the utility model, the first time delay relay and the second time delay relay use the H3Y-4 or ST6P-4 type time delay relay of Yangpu.
As a further improvement of the utility model, the alarm device uses an ES-626 type alarm buzzer of SIREN HORN.
As the utility model discloses improve still further, big railway carriage or compartment lift safety alarm relay and auto-lock failure alarm relay use GHNT's J2914 type relay.
As the utility model discloses improve still further, manual brake gas circuit cut off solenoid valve use GIQI's Q23XD-2T type solenoid valve.
As a further improvement of the utility model, the proximity switch uses a Hangzhou method L JP55M-25D2 type switch, and the pressure switch uses a KANT 802-20 type switch.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:
(1) The utility model discloses a tipper lifts safe auto-lock alarm system is provided with release button switch in the auto-lock circuit, and this switch adopts the blend switch of double contact, and its normally closed contact is connected to pressure switch, lifts in the carriage, when pressure switch is closed, and the auto-lock circuit normally switches on, can not influence the vehicle braking. In addition, the normally open contact of the release button switch is connected to the pressure switch through the first delay relay, when the vehicle is in a self-locking state, the release button switch is pressed, the normally open contact is closed, the contact of the first delay relay is disconnected, the self-locking circuit is powered off, the vehicle can move at the moment, the moving time of the vehicle reaches the time set by the first delay relay, the first delay relay is automatically attracted, the self-locking circuit is communicated again, improper operations such as switch failure or long-time pressing of the release button switch by a driver and the like cannot occur, the vehicle can continuously run when a large compartment is lifted, and the reliability of the lifting self-locking system is improved.
(2) The utility model discloses a tipper lifts safe auto-lock alarm system, be provided with auto-lock inspection alarm line, twist the ignition switch back at the driver, second time delay relay gets electric actuation, be connected to alarm device, it is normal whether to make the device send the chimes of doom suggestion driver inspection auto-lock system, when long when reaching the time that second time delay relay set up when reporting to the police, the warning stops, play suggestion driver's effect, and can not continuously report to the police, avoid the driver to be dispersedly attentive when driving the vehicle.
(3) The utility model discloses a tipper lifts safe auto-lock alarm system is provided with the warning circuit of forbidding the start, and big case lifts and makes proximity switch closed to make big railway carriage or compartment lift the contact of safety alarm relay and get electric actuation, the switch-on alarm device sends the chimes of doom, and the suggestion driver carriage is in the state of lifting, forbids the start, has avoided the driver to travel when the carriage lifts.
(4) The utility model discloses a safe auto-lock alarm system is lifted to tipper is provided with auto-lock inefficacy warning relay, and when the part inefficacy or the trouble among the auto-lock system, the auto-lock circuit loses the electricity, and the auto-lock inefficacy warning relay action with auto-lock line connection this moment, normally closed contact is closed, and the switch-on warning circuit, suggestion driver's inspection and maintenance auto-lock system prevent that the driver from continuing to drive trouble vehicle, has reduced the potential safety hazard.
Drawings
Fig. 1 is a schematic diagram of a dumper lifting safety self-locking alarm system of the utility model;
Fig. 2 is a circuit diagram of the alarm system according to embodiment 1 of the present invention.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Example 1
With reference to fig. 1, the dump truck lifting safety self-locking alarm system of the embodiment includes a power supply a, an ignition switch B, an alarm device H, a self-locking inspection alarm line, a starting prohibition alarm line, a self-locking line, and a self-locking failure alarm line. The self-locking inspection alarm circuit comprises a second time delay relay D, the second time delay relay D adopts a Yangpu H3Y-4 type time delay relay, one end of an ignition switch B is connected with the anode of a power supply A, the other end of the ignition switch B is connected with an alarm device H through the second time delay relay D, and the alarm device H is connected with the power supply A to form a power supply loop.
the starting-forbidding alarm line comprises a large-compartment lifting safety alarm relay K1 and a proximity switch SQ, the large-compartment lifting safety alarm relay K1 uses a J2914 type relay of GHNT, the proximity switch SQ uses a Hangzhou method L JP55M-25D2 type switch, a power supply A, the large-compartment lifting safety alarm relay K1 and the proximity switch SQ form a closed loop, one end of a normally open contact of the large-compartment lifting safety alarm relay K1 is connected with the anode of the power supply A, and the other end of the normally open contact is connected to an alarm device H.
the self-locking circuit comprises a release button switch SB, a first time delay relay C, a pressure switch SP and a hand brake gas circuit cut-off electromagnetic valve YV1, the release button switch SB adopts a CHINA-L A19 series compound switch, the compound switch is provided with double contacts, the first time delay relay C adopts a Yanpu H3Y-4 type time delay relay, the pressure switch SP adopts a KANT 802-20 type switch, the hand brake gas circuit cut-off electromagnetic valve YV1 adopts a GIQI Q23XD-2T type electromagnetic valve, one end of an ignition switch B is connected with the anode of a power supply A, the other end of the ignition switch B is connected with the release button switch SB, a normally open contact of the release button switch SB is connected with the pressure switch SP through the first time delay relay C, a normally closed contact of the release button switch SB is connected with the hand brake gas circuit cut-off electromagnetic valve YV1 through the pressure switch SP, and the other end of the hand brake gas circuit cut-off electromagnetic valve YV.
The self-locking failure alarm circuit comprises a self-locking failure alarm relay K2, the self-locking failure alarm relay K2 uses a J2914 type relay of GHNT, an electric signal of the self-locking circuit is used as an action signal, one end of a normally closed contact of the self-locking failure alarm relay K2 is connected with the anode of a power supply A, the other end of the normally closed contact is connected to an alarm device H, the alarm device H is an alarm, and an ES-626 type alarm buzzer of SIREN HORN is used, and the alarm device H is shown in figure 2.
Before departure, a driver gets on the vehicle and turns on the ignition switch B, a second time delay relay D with normally closed and electrified time delay disconnection functions is switched on, a contact of the second time delay relay D is electrified and sucked, a self-locking inspection alarm circuit is switched on, an alarm device H is triggered to send out an alarm prompt sound for checking the self-locking device, and the second time delay relay D enters countdown (the countdown of the second time delay relay D is preset to be 10 seconds).
Under normal conditions, when a big carriage of the dump truck is lifted, a contact of a proximity switch SQ is closed, a big carriage lifting safety alarm relay K1 is switched on, a normally open contact of the big carriage lifting safety alarm relay is closed and communicated to a circuit of an alarm device H, and a big carriage lifting alarm prohibiting starting prompt sound is sent out. When the alarm sound is sent, the SP contact of the pressure switch is closed, the hand brake gas circuit is switched on to cut off the electromagnetic valve YV1, and the hand brake gas circuit is cut off to enable the vehicle to be braked in an embraced manner so as to realize vehicle self-locking.
When the component in the self-locking system is failed or has a fault, the self-locking circuit loses power, the self-locking failure alarm relay K2 which takes the electric signal of the self-locking circuit as an action signal acts, the normally closed contact of the relay is closed due to power loss and is communicated to the circuit of the alarm device H, and an alarm prompt sound for forbidding starting of the self-locking failure is sent out.
In addition, under the condition that the goods of the dump truck are not completely unloaded, the vehicle needs to be moved, only the release button switch SB needs to be pressed, the normally closed contact of the release button switch SB is forcibly disconnected, the self-locking circuit is cut off, the normally open contact of the release button switch SB is closed, and the first time delay relay C with the normally open and electrified time delay closing functions is switched on, so that the first time delay relay C enters the preset countdown of 10 seconds; within the 10 seconds, the dump truck continues to run for about 8-10 m under the lifting state of the carriage, and meanwhile, the failure of the self-locking circuit can enable the alarm device H to send out an alarm prompt tone; when the moving time of the vehicle reaches the set time of the first time delay relay C, the first time delay relay C is automatically closed, the self-locking circuit is communicated again, and the alarm prompt tone stops.
The self-locking alarm system of this embodiment can awaken the driver before the vehicle starts and check whether normal self-locking system, has reduced the potential safety hazard when driving, and the existence of second time delay relay D makes this warning prompt tone automatic stop after the preset time, can not disperse driver's attention. When the carriage is lifted, a starting prohibition alarm line is connected to prompt a driver that the carriage is in a lifting state at the moment, so that the situation that the driver runs under the condition that the large carriage is not lifted is avoided, and the existence of a release button switch SB and a first time delay relay C enables the dump truck to move in a short distance; in the process, on one hand, due to the fact that components in the self-locking circuit are invalid, the alarm device H sends out a self-locking invalid prompt sound to warn a driver to run cautiously under the state, on the other hand, after the preset time is reached, the self-locking circuit is automatically connected, the situation that the vehicle can continuously run when the vehicle lifts in a large compartment due to the fact that the switch is invalid or the driver presses the release button switch SB for a long time and the like is avoided, and the reliability of the lifting self-locking system is improved through the two guarantee measures.
Example 2
The dumper lifting safety self-locking alarm system of the embodiment is basically the same as that of the embodiment 1, and is different in that: the first delay relay C and the second delay relay D use Yangpu ST6P-4 type delay relays.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a tipper lifts safe auto-lock alarm system, includes power A and ignition switch B, its characterized in that: still include the auto-lock circuit, this auto-lock circuit is including release button switch SB, first time delay relay C, solenoid valve YV1 is cut off to pressure switch SP and manual brake gas circuit, ignition switch B one end and the anodal connection of power A, the other end is connected with release button switch SB, release button switch SB's normally open contact is connected with pressure switch SP through first time delay relay C, release button switch SB's normally closed contact connects the manual brake gas circuit through pressure switch SP and cuts off solenoid valve YV1, the other end that the manual brake gas circuit cut off solenoid valve YV1 links to each other with power A negative pole.
2. The self-unloading safety self-locking alarm system for the dumper lifting according to claim 1, characterized in that: the alarm system further comprises a self-locking checking alarm circuit, the self-locking checking alarm circuit comprises a second time delay relay D, an ignition switch B is connected with an alarm device H through the second time delay relay D, and the alarm device H is connected with a power supply A to form a power supply loop.
3. The self-unloading safety self-locking alarm system of claim 2, wherein: the alarm system further comprises a starting-forbidding alarm line, the starting-forbidding alarm line comprises a large-compartment lifting safety alarm relay K1 and a proximity switch SQ, a power supply A, a large-compartment lifting safety alarm relay K1 and the proximity switch SQ form a closed loop, one end of a normally open contact of the large-compartment lifting safety alarm relay K1 is connected with the positive pole of the power supply A, and the other end of the normally open contact is connected to the alarm device H.
4. The self-unloading safety self-locking alarm system of claim 3, wherein: the alarm system further comprises a self-locking failure alarm circuit, the self-locking failure alarm circuit comprises a self-locking failure alarm relay K2, the self-locking failure alarm relay K2 takes an electric signal of the self-locking circuit as an action signal, one end of a normally closed contact of the self-locking failure alarm relay K2 is connected with the anode of a power supply A, and the other end of the normally closed contact is connected to an alarm device H.
5. the self-locking alarm system for the lifting safety of the dump truck as claimed in any one of claims 1 to 4, wherein the release button switch SB is a CHINA-L A19 series compound switch.
6. The dump truck lifting safety self-locking alarm system according to any one of claims 2 to 4, characterized in that: the first delay relay C and the second delay relay D use Yangpu H3Y-4 or ST6P-4 type delay relays.
7. The dump truck lifting safety self-locking alarm system according to any one of claims 2 to 4, characterized in that: the alarm device H uses an ES-626 type alarm buzzer of SIREN HORN.
8. The dump truck lifting safety self-locking alarm system according to claim 4, characterized in that: the large compartment lifting safety alarm relay K1 and the self-locking failure alarm relay K2 use a J2914 type relay of GHNT.
9. The dump truck lifting safety self-locking alarm system according to any one of claims 1 to 4, characterized in that: the hand brake air passage cut-off electromagnetic valve YV1 uses a Q23XD-2T type electromagnetic valve of GIQI.
10. the self-locking alarm system for dumper lifting safety as claimed in claim 3 or 4, wherein the proximity switch SQ is a Hangzhou L JP55M-25D2 type switch, and the pressure switch SP is a KANT 802-20 type switch.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922176877.7U CN211075662U (en) | 2019-12-06 | 2019-12-06 | Dumper lifting safety self-locking alarm system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922176877.7U CN211075662U (en) | 2019-12-06 | 2019-12-06 | Dumper lifting safety self-locking alarm system |
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| CN211075662U true CN211075662U (en) | 2020-07-24 |
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| CN201922176877.7U Active CN211075662U (en) | 2019-12-06 | 2019-12-06 | Dumper lifting safety self-locking alarm system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111824051A (en) * | 2020-07-30 | 2020-10-27 | 湖南行必达网联科技有限公司 | Maintenance safety protection system and method for truck |
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- 2019-12-06 CN CN201922176877.7U patent/CN211075662U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111824051A (en) * | 2020-07-30 | 2020-10-27 | 湖南行必达网联科技有限公司 | Maintenance safety protection system and method for truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221116 Address after: 243000 Building 9, Incubation Park, 277 Zhongfei Avenue, zhengpugang New District, Maanshan City, Anhui Province Patentee after: MAGANG GROUP LOGISTICS Co.,Ltd. Address before: 243000 Flying Avenue 277, Zhengpugang New Area, Ma'anshan City, Anhui Province Patentee before: Anhui Masteel automobile transportation service Co.,Ltd. |
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| TR01 | Transfer of patent right |