CN201881956U - Misoperation and mulfunction inhibiting device for car hopper - Google Patents
Misoperation and mulfunction inhibiting device for car hopper Download PDFInfo
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- CN201881956U CN201881956U CN2010206229242U CN201020622924U CN201881956U CN 201881956 U CN201881956 U CN 201881956U CN 2010206229242 U CN2010206229242 U CN 2010206229242U CN 201020622924 U CN201020622924 U CN 201020622924U CN 201881956 U CN201881956 U CN 201881956U
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Abstract
The utility model discloses a misoperation and mulfunction inhibiting device which belongs to the technical field of engineering van, and comprises a vehicle-mounted compression air source, an auxiliary box high-low gear switching valve, a force neutral gear main valve, an auxiliary box gear switching cylinder with three function cavities, a force neutral gear auxiliary valve, a power takeoff electromagnetic valve, a first one-way valve, a second one-way valve and a vehicle hopper self-locking hanger. An oil supply channel resulting in the lifting of the vehicle hopper can be cut off by the hanger under the condition that the unlocking is not conducted, so that the misoperation and malfunction inhibiting device for the vehicle hopper has the function of automatically and forcibly cutting off the driving force of a vehicle in the neutral gear, prevents a driver from forgetting to fall down the vehicle hopper, inhibits the free lifting in the driving process, simultaneously alarms, and promotes the driver to find the previous misoperation or faults.
Description
Technical field
The utility model relates to a kind of device of engineering truck technical field, specifically is a kind of wagon box maloperation misoperation restraining device of the power taking type dumping car that is used to stop.
Background technology
Existing engineering is essentially the heavy duty truck chassis refit with dumping car, from the change speed gear box power taking of stopping, drives wagon box lifting hydraulic efficiency pressure system by power takeoff then.The lifting hydraulic efficiency pressure system of wagon box is an air operated control, and promptly the gas of often saying pushes away liquid.The control of power takeoff also is air operated control system, and commonly used have manual Air Valve Control or a solenoid control.The dumping car that at present basic all auto refitting plants dispatch from the factory all is system independently mutually between power taking, lifting, the driving, and the relation that conditions each other between these subsystems self coordinates by chaufeur, and the generation of maloperation is arranged between mutual easily.Wagon box is particularly unsnatched and is forgotten behind the goods and transfer, and perhaps rises suddenly in the driving process, has caused a lot of grave accidents home and abroad that many reports are all arranged.The native system purpose is to suppress to greatest extent the generation of dumping car wagon box lifting maloperation misoperation.
Maloperation: mainly refer to two aspects: one, chaufeur is write down and is put wagon box, and driving causes accident then; Two, in the driving process, push button or handle cause the wagon box rise and then cause traffic accident unintentionally.
Misoperation: mainly be that the hoisting system mechanical breakdown causes.Control cock gas leakage, power takeoff shift fork do not go back to the position, and stuck, though chaufeur has been closed the power takeoff valve, power takeoff does not have real moving back to go out, and also buys oil, and causes the involuntary rising of wagon box.
Through prior art is retrieved, all relate to wagon box maloperation control technology among Chinese patent literature CN90224544.9, CN99228333.7, the CN200820161004.8, these technology are primarily aimed at maloperation and forget and transfer wagon box and design, related by hoisting system and brake system are carried out, prevent from that chaufeur from forgetting to transfer wagon box.Solved and prevent that chaufeur from forgetting and transfer wagon box, but also do not solved the misoperation of wagon box.
The utility model content
The utility model provides a kind of wagon box maloperation misoperation restraining device at the prior art above shortcomings, and utilizing increases wagon box from locking and hanging hook, do not having under the situation of release, in case wagon box rises,, cut off the oil supply gallery that causes wagon box to rise by the mechanical linkage of hook; Increase the pressure neutral device of secondary box of gearbox high to low gear speed change simultaneously, in case wagon box rises to certain angle, automatically force neutral, cut off the driving propulsive effort, preventing that chaufeur from forgetting transfers wagon box, and the involuntary rise of wagon box when driving the time, report to the police, form the secondary protection with wagon box self-locking hook, improve the informing property of system reliability and fault, suppress chaufeur and forgotten and transfer wagon box and drive a vehicle, prevented the non-artificial deliberate rise of wagon box and continue driving, reduced the major traffic accidents that wagon box causes because of artificial or non-artificial factor.
The utility model is achieved through the following technical solutions, the utility model comprises: vehicle-borne compressed gas source, odd-side high to low gear transfer valve, force the neutral main valve, odd-side gearshift cylinder with three acting chambers, force the secondary valve of neutral, the power takeoff electromagnetic valve, first check valve and second check valve, wherein: the port of compressed gas source successively with first port of odd-side gear shift control valve, force the 3rd port of neutral main valve, first port of power takeoff electromagnetic valve, force first port of first port reconciliation locking-valve of the secondary valve of neutral to be connected, odd-side gear shift control valve second port, force neutral main valve the 4th port, power takeoff electromagnetic valve second port, force the secondary valve of neutral, separate all direct and atmosphere connection of second port of locking-valve, force to be connected with the first acting chamber port of odd-side gearshift cylinder after neutral main valve five-port and the 7th port parallel connection, force to be connected with the second acting chamber port of odd-side gearshift cylinder after neutral main valve the 6th port and the 8th port parallel connection, power takeoff electromagnetic valve the 3rd port is connected with second check valve, force secondary valve the 3rd port of neutral to be connected to first check valve, be connected with shift gears the 3rd acting chamber port of cylinder of the control mouth of forcing the neutral main valve and odd-side successively after the port parallel connection of first check valve and second check valve.
Described odd-side high to low gear transfer valve is motor-driven two position four-way valves that trigger by gearshift;
Described pressure neutral main valve is two eight logical valves of gas control;
The secondary valve of described pressure neutral is an open type two-bit triplet electromagnetic gas valve;
The utility model carries out work in the following manner:
The utility model is applied to be used to stop power taking type dumping car, and the power takeoff electromagnetic valve needs odd-side is changed to neutral after opening, and under power taking or lifting state, odd-side must be in neutral gear position; After chaufeur act bucket was unsnatched goods, because wagon box is in higher lift location, the wagon box travel switch was in closure state, and it finally impels the odd-side of change speed gear box to be in neutral gear position, and the propulsive effort of car is disconnected, and can't drive a vehicle.Chaufeur will be driven a vehicle, and wagon box must be transferred, and disconnects up to the wagon box travel switch, and odd-side gearshift cylinder recovers to accept the control of chaufeur gear level.With the wagon box of the lifting a bit of distance of travelling, then need chaufeur to press and lift bucket driving button in short-term if desired, this button will trigger slug relay and work.Press the button back slug relay and transfer off-state to by closure state, make odd-side force neutral to lose efficacy, after hand is lifted away from button, start working in the time closing contact, and show excess time by the countdown telltale.
The utility model by lifting oil circuit shutoff valve, force the neutral main valve, force the secondary valve of neutral, from the adding of locking and hanging hook, wagon box travel switch, enriched the interlock function of former wagon box hoisting system and traffic safety, reached the purpose that suppresses maloperation and misoperation, will reduce dumping car greatly in the accident rate aspect this.
Description of drawings
Fig. 1 is the utility model hydraulic pressure and pneumatic system diagram.
Fig. 2 is the utility model electric auxiliaring device system diagram.
The specific embodiment
Below embodiment of the present utility model is elaborated; present embodiment is being to implement under the prerequisite with technical solutions of the utility model; provided detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
As depicted in figs. 1 and 2, present embodiment comprises: vehicle-borne compressed gas source 1, odd-side high to low gear transfer valve 2, force neutral main valve 3, odd-side gearshift cylinder 4, force the secondary valve 5 of neutral, power takeoff electromagnetic valve 6, first check valve 7 and second check valve 8, wherein: the port of compressed gas source 1 successively with first port of odd-side gear shift control valve, force the 3rd port of neutral main valve 3, first port of power takeoff electromagnetic valve 6, force first port of first port reconciliation locking-valve of the secondary valve 5 of neutral to be connected, odd-side gear shift control valve second port, force neutral main valve 3 the 4th port, power takeoff electromagnetic valve 6 second ports, force the secondary valve 5 of neutral, separate all direct and atmosphere connection of second port of locking-valve, force to be connected with the first acting chamber port of odd-side gearshift cylinder 4 after neutral main valve 3 five-port and the 7th port parallel connection, force to be connected with the second acting chamber port of odd-side gearshift cylinder 4 after neutral main valve 3 the 6th port and the 8th port parallel connection, power takeoff electromagnetic valve 6 the 3rd port is connected with second check valve 8, forcing secondary valve 5 the 3rd port of neutral to be connected to after the port parallel connection of first check valve, 7, the first check valves 7 and second check valve 8 successively with shift gears the 3rd acting chamber port of cylinder 4 of the control mouth of forcing neutral main valve 3 and odd-side is connected.
Described odd-side high to low gear transfer valve 2 is motor-driven two position four-way valves that trigger by gearshift.
Described pressure neutral main valve 3 is two eight logical valves of gas control.
The secondary valve 5 of described pressure neutral is an open type two-bit triplet electromagnetic gas valve.
This device carries out work in the following manner: under the situation of lifting, wagon box shank 16 does not drop on from locking and hanging hook 15 inboards wagon box.If by unlock cylinder 17 releases, wagon box does not lift, shank 16 pullings are from locking and hanging hook 15, and then triggering oil circuit shutoff valve 12.If cylinder 17 releases, then wagon box can normally rise, after rising certain angle, trigger wagon box travel switch 22 closures, it is electric that the secondary valve 5 of pressure neutral will be got, and triggers and force neutral main valve 3 to switch to pressure neutral state, and then impel odd-side gearshift cylinder 4 to be in meta, odd-side is put neutral, cuts off the propulsive effort that car is moved.
This device is to suppress chaufeur like this to forget that the maloperation of transferring wagon box takes place: after chaufeur act bucket is unsnatched goods, because wagon box is in higher lift location, wagon box travel switch 22 is in closure state, it finally impels the odd-side of change speed gear box to be in neutral gear position, the propulsive effort of car is disconnected, and can't drive a vehicle.Chaufeur will be driven a vehicle, and wagon box must be transferred, and disconnects up to wagon box travel switch 22, and odd-side gearshift cylinder recovers to accept the control of chaufeur gear level.With the wagon box of the lifting a bit of distance of travelling, then need chaufeur to press and lift bucket driving button 19 in short-term if desired, this button will trigger slug relay 20 and work.Press the button back slug relay 20 and transfer off-state to by closure state, make odd-side force neutral to lose efficacy, after hand was lifted away from button, time closing contact KM2 started working, and showed excess time by countdown telltale 21.
This device is to prevent that like this wagon box maloperation is risen in the driving process: do not having under the situation of release, the chaufeur maloperation is risen wagon box, from locking and hanging hook 15 cut-out is caused the hydraulic circuit of lifting so.Chaufeur can find that wagon box can not lifting after parking, needs hand reset oil circuit shutoff valve 12, can recover the lifting function.Having under the maloperation situation of release, the wagon box of rise will cause the cut-out of vehicle drive force, and chaufeur will be experienced the improper cut-out of power from drive, and operator's compartment reason alarm lamp 23 is also further reminded chaufeur simultaneously, and maloperation has taken place.
This device is to prevent what wagon box misoperation in the driving process from rising like this: it is stuck that the wagon box misoperation generally occurs in power takeoff, after chaufeur is closed power takeoff, fails normally to withdraw from power taking, causes in the driving procedure, buys oil at a high speed, causes the wagon box misoperation to rise.By this device, owing to the effect from locking and hanging hook and oil circuit shutoff valve, the lifting oil circuit disconnects, to guarantee that wagon box is not by the fault lifting, and can continue normal driving, simultaneously chaufeur will find that misoperation once took place wagon box when lift operation next time, and then go to seek the fault that may exist.
Claims (4)
1. wagon box maloperation misoperation restraining device, it is characterized in that, comprise: vehicle-borne compressed gas source, odd-side high to low gear transfer valve, force the neutral main valve, odd-side gearshift cylinder with three acting chambers, force the secondary valve of neutral, the power takeoff electromagnetic valve, first check valve and second check valve, wherein: the port of compressed gas source successively with first port of odd-side gear shift control valve, force the 3rd port of neutral main valve, first port of power takeoff electromagnetic valve, force first port of first port reconciliation locking-valve of the secondary valve of neutral to be connected, odd-side gear shift control valve second port, force neutral main valve the 4th port, power takeoff electromagnetic valve second port, force the secondary valve of neutral, separate all direct and atmosphere connection of second port of locking-valve, force to be connected with the first acting chamber port of odd-side gearshift cylinder after neutral main valve five-port and the 7th port parallel connection, force to be connected with the second acting chamber port of odd-side gearshift cylinder after neutral main valve the 6th port and the 8th port parallel connection, power takeoff electromagnetic valve the 3rd port is connected with second check valve, force secondary valve the 3rd port of neutral to be connected to first check valve, be connected with shift gears the 3rd acting chamber port of cylinder of the control mouth of forcing the neutral main valve and odd-side successively after the port parallel connection of first check valve and second check valve.
2. wagon box maloperation misoperation restraining device according to claim 1 is characterized in that, described odd-side high to low gear transfer valve is motor-driven two position four-way valves that trigger by gearshift.
3. wagon box maloperation misoperation restraining device according to claim 1 is characterized in that, described pressure neutral main valve is two eight logical valves of gas control.
4. wagon box maloperation misoperation restraining device according to claim 1 is characterized in that, the secondary valve of described pressure neutral is an open type two-bit triplet electromagnetic gas valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206229242U CN201881956U (en) | 2010-11-25 | 2010-11-25 | Misoperation and mulfunction inhibiting device for car hopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206229242U CN201881956U (en) | 2010-11-25 | 2010-11-25 | Misoperation and mulfunction inhibiting device for car hopper |
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| Publication Number | Publication Date |
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| CN201881956U true CN201881956U (en) | 2011-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206229242U Expired - Fee Related CN201881956U (en) | 2010-11-25 | 2010-11-25 | Misoperation and mulfunction inhibiting device for car hopper |
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| CN (1) | CN201881956U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733336A (en) * | 2012-05-31 | 2012-10-17 | 中联重科股份有限公司 | Control method, controller, control system for garbage bin and sweeping car |
| CN103148210A (en) * | 2013-02-25 | 2013-06-12 | 陕西法士特齿轮有限责任公司 | Rear power take-off control system with backset mechanism for gearbox |
| CN103223909A (en) * | 2013-05-06 | 2013-07-31 | 东风汽车有限公司 | Control device for preventing self-lifting of carriage of dump truck |
| CN103303180A (en) * | 2013-06-06 | 2013-09-18 | 东风汽车公司 | Single-H operated power takeoff pneumatic control system capable of carrying out traveling power take-off and use method of electrical control system |
| CN105782146A (en) * | 2016-05-28 | 2016-07-20 | 王付民 | Lifting control system of dumper |
-
2010
- 2010-11-25 CN CN2010206229242U patent/CN201881956U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733336A (en) * | 2012-05-31 | 2012-10-17 | 中联重科股份有限公司 | Control method, controller, control system for garbage bin and sweeping car |
| CN102733336B (en) * | 2012-05-31 | 2015-02-18 | 中联重科股份有限公司 | Control method, controller, control system for garbage bin and sweeping car |
| CN103148210A (en) * | 2013-02-25 | 2013-06-12 | 陕西法士特齿轮有限责任公司 | Rear power take-off control system with backset mechanism for gearbox |
| CN103148210B (en) * | 2013-02-25 | 2015-04-08 | 陕西法士特齿轮有限责任公司 | Rear power take-off control system with backset mechanism for gearbox |
| CN103223909A (en) * | 2013-05-06 | 2013-07-31 | 东风汽车有限公司 | Control device for preventing self-lifting of carriage of dump truck |
| CN103223909B (en) * | 2013-05-06 | 2015-06-10 | 东风汽车公司 | Control device capable of preventing carriage of dumper from self lifting |
| CN103303180A (en) * | 2013-06-06 | 2013-09-18 | 东风汽车公司 | Single-H operated power takeoff pneumatic control system capable of carrying out traveling power take-off and use method of electrical control system |
| CN105782146A (en) * | 2016-05-28 | 2016-07-20 | 王付民 | Lifting control system of dumper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20181125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |