CN206186793U - Explosion -proof engineering vehicle neutral gear starting protection device - Google Patents
Explosion -proof engineering vehicle neutral gear starting protection device Download PDFInfo
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- CN206186793U CN206186793U CN201621264780.1U CN201621264780U CN206186793U CN 206186793 U CN206186793 U CN 206186793U CN 201621264780 U CN201621264780 U CN 201621264780U CN 206186793 U CN206186793 U CN 206186793U
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- starting protection
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- 238000004880 explosion Methods 0.000 title claims abstract description 38
- 238000012360 testing method Methods 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
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- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
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Abstract
The utility model discloses an explosion -proof engineering vehicle neutral gear starting protection device. Explosion -proof engineering vehicle neutral gear starting protection device includes: a plurality of gears, and a plurality of the gearshift lever that switches between the gear, still include: a main control system for output signal, the relay, the input of relay with the output electricity of main control system is connected, open moving electromagnetic valve, the input that opens moving electromagnetic valve with the output electricity of relay is connected, be used for the limit switch of processing circuit when the gearshift lever is close, limit switch establishes ties the normally open contact of the rela, open between the moving electromagnetic valve, limit switch is including being used for detecting the test section whether gearshift lever is close, the test section is located near of neutral position. Adopt the utility model provides an explosion -proof engineering vehicle neutral gear starting protection device, the various accidents that have caused when having avoided the vehicle to start in non - neutral position.
Description
Technical field
The utility model is related to a kind of anti-explosion engineering vehicle neutral starting protection device.
Background technology
With the development increasingly of China's coal-mine underground assistant conveyance technology, increasing anti-explosion engineering vehicle input makes
With development of auxiliary transport in coal mines is further improved, the development advanced by leaps and bounds in recent years with coal industry, and equipment behaviour
Make and control the lifting of convenience, the requirement of reliability of the people to device action and the security to staff is also more next
It is higher.But while the operational convenience that technological progress brings to us is enjoyed, also deposited during actual job
In many potential safety hazards.
At present, anti-explosion engineering vehicle does not have special neutral starting protection device, during actual job, Si Jijing
Often start vehicle when not checking whether vehicle restraint system and vehicle are hung grade, the startup vehicle of this blindness is just easy to be occurred
Accident, not only damages the equipment of vehicle and scene, or even can cause casualties.
Therefore, in order to avoid this serious consequence, it is highly desirable to design a kind of anti-explosion engineering vehicle neutral starting protection
Device.
Utility model content
In view of this, the utility model provides a kind of anti-explosion engineering vehicle neutral starting protection device, it is intended to overcome existing
There is the defect in the presence of technology, prevent the generation of accident.
Anti-explosion engineering vehicle neutral starting protection device provided by the utility model includes:Including many including neutral position
Individual gear, and the gear lever switched between multiple gears;The anti-explosion engineering vehicle neutral starting protection device is also
Including:For the control main frame of output signal;Relay, the input of the relay is electric with the output end of the control main frame
Connection;Start magnetic valve, the input of the startup magnetic valve is electrically connected with the output end of the relay;For in the change
Connect the limit switch of circuit when fast bar is close, the limit switch be connected on the relay and the startup magnetic valve it
Between, the limit switch includes that whether the detection position is in the neutral position for detecting gear lever close test section
Near.
Anti-explosion engineering vehicle neutral starting protection device as described above, it is preferable that multiple gears also include advancing
Gear, the test section is set away from the forward.
Anti-explosion engineering vehicle neutral starting protection device as described above, it is preferable that multiple gears also include reversing
Gear, the test section is set away from the reverse gear.
Anti-explosion engineering vehicle neutral starting protection device as described above, it is preferable that be connected with use in the control main frame
In the key door for switching the control main frame.
Anti-explosion engineering vehicle neutral starting protection device as described above, it is preferable that the startup magnetic valve is arranged on anti-
In the gas circuit of quick-fried engineering truck, the gas circuit it is described startup magnetic valve obtain it is electric after connect.
Anti-explosion engineering vehicle neutral starting protection device as described above, it is preferable that the limit switch is stroke limit
Switch.
Anti-explosion engineering vehicle neutral starting protection device as described above, it is preferable that the limit switch is infrared spacing
Switch.
Using anti-explosion engineering vehicle neutral starting protection device provided by the utility model, in relay and startup electromagnetism
Corresponding limit switch is set between valve, and when vehicle is in neutral position, limit switch closure starts magnetic valve and obtains electric, vehicle
Can normally start;When vehicle is in non-NULL gear, limit switch disconnects, and starting magnetic valve must not be electric, and vehicle cannot be normal
Start, it is to avoid vehicle various accidents caused when non-neutral position starts.
Brief description of the drawings
Preferred embodiment in the utility model will be described in detail by accompanying drawing below, it will help understand of the present utility model
Objects and advantages, wherein:
Fig. 1 is the schematic diagram of the anti-explosion engineering vehicle neutral starting protection device of the utility model preferred embodiment.
Specific embodiment
The utility model is described in detail with reference to embodiment.Wherein identical parts identical accompanying drawing mark
Note is represented.It should be noted that the word "front", "rear" for being used in description below, "left", "right", "up" and "down" are referred to
Direction in accompanying drawing, word " interior " and " outward " are referred respectively to towards or away from the direction of particular elements geometric center.
Fig. 1 is the schematic diagram of the anti-explosion engineering vehicle neutral starting protection device of the utility model preferred embodiment.Such as Fig. 1
Shown, the anti-explosion engineering vehicle neutral starting protection device that the utility model preferred embodiment is provided includes:Multiple gears, with
And the gear lever (not shown) that can switch between multiple gears, neutral position 11 is at least included in multiple gears,
Forward 12, reverse gear 13 etc. can also be preferably included.Wherein, multiple gears and the gear lever are appreciated that
It is the intrinsic part of anti-explosion engineering vehicle, it is explosion-proof so as to realize by switching of the gear lever between multiple gears
The gear shift operation of engineering truck.During actual job, in order to prevent the generation of accident, need to cut gear lever when starting vehicle
Change to neutral position 11, the technical solution of the utility model can effectively prevent the driver from startup car is carried out in non-neutral position 11
.
Specifically, the anti-explosion engineering vehicle neutral starting protection device also includes:Control main frame 20, relay 30, open
Moving electromagnetic valve 40 and limit switch 50.The control main frame 20 is used to output signal to the relay 30, wherein, the relay
The input of device 30 is electrically connected with the output end of the control main frame 20.The control main frame 20 can be by anti-explosion engineering vehicle
Intrinsic main frame is realized, when driver opens the control main frame 20, and after control main frame 20 completes self-inspection, to it is described after
Electrical equipment 30 exports electric signal, controls the relay 30 to open.
The input of the relay 30 is electrically connected with the output end of the control main frame 20, for receiving the control master
The electric signal of the output of machine 20.The input for starting magnetic valve 40 is electrically connected with the output end of the relay 30, when described
After relay 30 receives the electric signal from the control main frame 20, in electricity condition, then to the startup magnetic valve
40 output electric signals, control it is described startup magnetic valve 40 start, only it is described startup magnetic valve 40 start it is electric in the state of,
Anti-explosion engineering vehicle can just be started.
In the utility model preferred embodiment, the limit switch 50 is used to connect electricity when the gear lever is close
Road, i.e., when the gear lever is close to the limit switch 50, the limit switch 50 switches to closure state, when the speed change
When bar is away from the limit switch 50, the limit switch 50 switches to off-state.The limit switch 50 is connected on described
Between relay 30 and the startup magnetic valve 40, whether the limit switch 50 is included for detecting the close detection of gear lever
Portion, the detection position is in the vicinity of the neutral position 11.The vicinity of the neutral position 11 can be understood as the test section institute
In the range of can detecting, when the gear lever is switched to neutral position 11, the gear lever is located at the vicinity of the test section,
The test section is that can detect the gear lever, so that the limit switch 50 is connected.The limit switch 50 can be with excellent
Selection of land is realized by lead limit switch or infrared limit switch.
In this type of design, when the gear lever is switched to the neutral position 11, can approach and be arranged on the neutral gear
Test section near position 11, so that triggering the limit switch 50 is switched to closure state, to connect the relay 30 and institute
The circuit started between magnetic valve 40 is stated, the startup magnetic valve 40 is obtained electric, now vehicle can normally start.If conversely,
When the gear lever is located at other gears, it is impossible to close to the test section, then the limit switch 50 is off, disconnection
The relay 30 and the circuit connection started between magnetic valve 40, the startup magnetic valve 40 must not electricity, vehicle without
Method normally starts.By this design, driver can be effectively prevented from and start vehicle under neutral position state.
Preferably, the test section is set adjacent only to the neutral position 11, and is set away from the forward 12, together
When also set away from the reverse gear 13.
In a preferred embodiment, the key door for switching the control main frame 20 is connected with the control main frame 20.
When driver needs to start vehicle, the control main frame 20 can be started by the key door, the control main frame 20 exists
The backward output of the relay 30 electric signal of self-inspection is completed, if now the gear lever is located at neutral position, the relay
Device 30 can make the startup magnetic valve 40 obtain electric, and vehicle can normally start.If gear lever is located on other gears, described
Starting magnetic valve 40 must not be electric, and vehicle cannot start.
Preferably, the startup magnetic valve 40 is arranged in the gas circuit of anti-explosion engineering vehicle, and the gas circuit is in the startup
Magnetic valve 40 it is electric after connect.Specifically, the magnetic valve 40 that starts can control the break-make of anti-explosion engineering vehicle gas circuit, only
In the case where gas circuit is connected, vehicle can normally be started.
Using anti-explosion engineering vehicle neutral starting protection device provided by the utility model, in relay and startup electromagnetism
Corresponding limit switch is set between valve, and when vehicle is in neutral position, limit switch closure starts magnetic valve and obtains electric, vehicle
Can normally start;When vehicle is in non-NULL gear, limit switch disconnects, and starting magnetic valve must not be electric, and vehicle cannot be normal
Start, it is to avoid vehicle various accidents caused when non-neutral position starts.
Finally it should be noted that:Above example is only used to illustrate the technical solution of the utility model, rather than its limitations;
Although being described in detail to the utility model with reference to the foregoing embodiments, it will be understood by those within the art that:
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement;And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment technology of the utility model
The scope of scheme.
Claims (7)
1. a kind of anti-explosion engineering vehicle neutral starting protection device, including:
Including the multiple gears including neutral position, and the gear lever switched between multiple gears;
Characterized in that, the anti-explosion engineering vehicle neutral starting protection device also includes:
For the control main frame of output signal;
Relay, the input of the relay is electrically connected with the output end of the control main frame;
Start magnetic valve, the input of the startup magnetic valve is electrically connected with the output end of the relay;
Limit switch for connecting circuit when the gear lever is close, the limit switch is connected on the relay and institute
State between startup magnetic valve, whether the limit switch is included for detecting the close test section of gear lever, the detection position
In the vicinity of the neutral position.
2. anti-explosion engineering vehicle neutral starting protection device according to claim 1, it is characterised in that multiple gears
Also include forward, the test section is set away from the forward.
3. anti-explosion engineering vehicle neutral starting protection device according to claim 1, it is characterised in that multiple gears
Also include reverse gear, the test section is set away from the reverse gear.
4. anti-explosion engineering vehicle neutral starting protection device according to claim 1, it is characterised in that the control main frame
On be connected with key door for switching the control main frame.
5. according to power require 1 described in anti-explosion engineering vehicle neutral starting protection device, it is characterised in that the startup magnetic valve
Be arranged in the gas circuit of anti-explosion engineering vehicle, the gas circuit it is described startup magnetic valve obtain it is electric after connect.
6. the anti-explosion engineering vehicle neutral starting protection device according to any one in claim 1-5, it is characterised in that
The limit switch is lead limit switch.
7. the anti-explosion engineering vehicle neutral starting protection device according to any one in claim 1-5, it is characterised in that
The limit switch is infrared limit switch.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621264780.1U CN206186793U (en) | 2016-11-22 | 2016-11-22 | Explosion -proof engineering vehicle neutral gear starting protection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621264780.1U CN206186793U (en) | 2016-11-22 | 2016-11-22 | Explosion -proof engineering vehicle neutral gear starting protection device |
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Publication Number | Publication Date |
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CN206186793U true CN206186793U (en) | 2017-05-24 |
Family
ID=58723820
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CN201621264780.1U Active CN206186793U (en) | 2016-11-22 | 2016-11-22 | Explosion -proof engineering vehicle neutral gear starting protection device |
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CN (1) | CN206186793U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110789340A (en) * | 2019-11-19 | 2020-02-14 | 安徽安凯汽车股份有限公司 | Neutral position protection method for school bus gearbox |
-
2016
- 2016-11-22 CN CN201621264780.1U patent/CN206186793U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110789340A (en) * | 2019-11-19 | 2020-02-14 | 安徽安凯汽车股份有限公司 | Neutral position protection method for school bus gearbox |
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