CN201753040U - Packing case lifting safety control device - Google Patents

Packing case lifting safety control device Download PDF

Info

Publication number
CN201753040U
CN201753040U CN2010202499416U CN201020249941U CN201753040U CN 201753040 U CN201753040 U CN 201753040U CN 2010202499416 U CN2010202499416 U CN 2010202499416U CN 201020249941 U CN201020249941 U CN 201020249941U CN 201753040 U CN201753040 U CN 201753040U
Authority
CN
China
Prior art keywords
way
solenoid directional
directional control
control valve
way solenoid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2010202499416U
Other languages
Chinese (zh)
Inventor
黄世家
刘金宝
杨培金
李书友
李建锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beiqi Foton Motor Co Ltd
Original Assignee
Beiqi Foton Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beiqi Foton Motor Co Ltd filed Critical Beiqi Foton Motor Co Ltd
Priority to CN2010202499416U priority Critical patent/CN201753040U/en
Application granted granted Critical
Publication of CN201753040U publication Critical patent/CN201753040U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Load-Engaging Elements For Cranes (AREA)

Abstract

A packing case lifting safety control device has a basic structure of a packing case lifting device, an oil tank is connected with an oil inlet of a three-position three-way reversal valve by a gear pump, the oil outlet of the three-position three-way reversal valve is connected with the oil inlet of a two-position three-way electromagnetic reversal valve, the return openings of the two reversal valves are connected with the oil tank, the oil outlet of the two-position three-way electromagnetic reversal valve is connected with a hydraulic oil cylinder, the two-position three-way electromagnetic reversal valve is in linkage connection with a parking brake, when the vehicle is in the parking brake state, the two-position three-way electromagnetic reversal valve is communicated with the oil way between the hydraulic oil cylinder and the three-position three-way reversal valve. The packing case lifting safety control device provides a proactive and initiative protection measure that the packing case cannot be lifted by any operation when the parking brake handle is pulled, therefore the defects found in the packing case lifting system in prior art are effectively avoided, and the safety is ensured.

Description

Container lifting safety control
Technical field
The utility model belongs to the safety control technology field, relates to a kind of safety control, particularly a kind of container lifting safety control that is applicable to dumping engineering truck.
Background technology
In the self lighting type engineering truck, be provided with the container hoisting system; existing container hoisting system is owing to lack safety control; therefore under the vehicle to run operating mode, can't guarantee not lifting of container; very easily cause pulling and the scratching accident; even the serious threat public safety, cause bigger economic loss and personal safety.
In No. 02270685.2 application documents of China's utility model patent, a kind of capacity of the tipping body lifting control setup is disclosed, it has master brake cylinder, storage battery, master brake cylinder is connected with air receiver by brake pipe, adopts tracheae to be connected with air receiver, and an end of tracheae is connected with electromagnetic valve, storage battery is connected with control cock by lead, master brake cylinder all is connected with directed triple valve with electromagnetic valve, and directed triple valve is connected with rapid release valve, and rapid release valve is connected with brake cylinder.
This capacity of the tipping body lifting control setup is a kind of control setup that car brakeing and container lifting are linked, it is by the Pneumatic braking system of vehicle, this linkage control device is installed on the braking during standstill route, as long as container is in certain lifting state, this vehicle just is in the braking during standstill state, vehicle just can not normally start to walk to travel like this, plays the purpose of coordinated control.Because its mentality of designing is as long as container one lifting makes vehicle generation braking effect by control cock, that is to say that hypothesis when driving, because the maloperation of chaufeur, lifting container, service brake will be worked so, make vehicle stop to travel, therefore belong to the passive passive mode of action.
The utility model content
Main purpose of the present utility model is to provide a kind of container lifting safety control that is applicable to dumping engineering truck, and it can guarantee container erectile problem liter under the vehicle to run operating mode, effectively avoids existing defective in the existing container hoisting system.
Above-mentioned purpose of the present utility model is achieved in that a kind of container lifting safety control, basic structure with container lifting device, fuel tank links to each other by the oil inlet of gear type pump with the 3-position-3-way change-over valve, its key is, the 3-position-3-way change-over valve between the hydraulic ram serial connection two-position three way solenoid directional control valve, the oil outlet of this 3-position-3-way change-over valve is connected in the oil inlet of two-position three way solenoid directional control valve, the return opening of the return opening of 3-position-3-way change-over valve and two-position three way solenoid directional control valve all is connected in fuel tank, and the oil outlet of this two-position three way solenoid directional control valve links to each other with hydraulic ram, and, this two-position three way solenoid directional control valve is arranged to link with braking during standstill, make when vehicle is in the braking during standstill state that this two-position three way solenoid directional control valve is connected the oil circuit between hydraulic ram and the 3-position-3-way change-over valve.
Container lifting safety control described in the utility model, wherein this two-position three way solenoid directional control valve is connected in power supply by source switch, and source switch is arranged to and the brake-applying handle interlock, thereby realizes the interlock of this two-position three way solenoid directional control valve and braking during standstill.
Because this two-position three way solenoid directional control valve is to rely on braking during standstill control, have only vehicle to be under the braking during standstill state, this two-position three way solenoid directional control valve is connected the oil circuit between hydraulic ram and the 3-position-3-way change-over valve, this moment, the control handle (promptly operating the 3-position-3-way change-over valve) of container lifting and whereabouts was controlled in operation, just the lifting and the whereabouts of may command container.And under driving states at ordinary times, this two-position three way solenoid directional control valve is connected the oil circuit of hydraulic ram and fuel tank, guaranteed under driving states, container is the operating mode of lifting scarcely, that is to say, as long as vehicle ', chaufeur how to operate control handle so, container can lifting, thereby has guaranteed traffic safety.
This shows; container lifting safety control provided by the utility model; it is a kind of aggressive safety method; as long as brake-applying handle does not have pull-up; no matter how to operate control handle; container can lifting, therefore can effectively avoid existing defective in the existing container hoisting system, guarantees safety.
Description of drawings
Fig. 1 is the scheme drawing of container lifting safety control described in the utility model.
Fig. 2 A~Fig. 2 D is the working process scheme drawing of container lifting safety control described in the utility model.
The specific embodiment
Below in conjunction with specific embodiment and accompanying drawing thereof, the utility model is described in further detail.
Please refer to as Fig. 1, it is the scheme drawing of container lifting safety control described in the utility model.Shown in 1 figure, the oil inlet of gear type pump 1 connects fuel tank 5, the oil outlet of gear type pump 1 is connected with the oil inlet of 3-position-3-way change-over valve 2, and the oil inlet of the oil outlet of 3-position-3-way change-over valve 2 and two-position three way solenoid directional control valve 3 is connected, the return opening of the return opening of 3-position-3-way change-over valve 2 and two-position three way solenoid directional control valve 3 all is connected in fuel tank 5, and the oil outlet of two-position three way solenoid directional control valve 3 is connected with hydraulic ram 4.
In the present embodiment, this two-position three way solenoid directional control valve 3 moves by braking during standstill.As can be seen from Figure 1, this two-position three way solenoid directional control valve 3 is connected in power supply 7 by source switch 6, and source switch 6 links with brake-applying handle 8, thereby realizes the interlock of this two-position three way solenoid directional control valve 3 and braking during standstill.
When pull-up brake-applying handle 8, Lian Dong source switch 6 closures with it, this moment power supply 7 two position three way directional control valve 3 of flowing through, thereby make two position three way directional control valve 3 that the commutation action take place, connect the oil circuit of 3-position-3-way change-over valve 2 to hydraulic ram 4, this moment is operating control handle 9 (promptly operating 3-position-3-way change-over valve 2) again, can the unloading of lifting container.
And when operation brake-applying handle 8, when making vehicle be in the walking operating mode, source switch 6 is open circuited, and two-position three way solenoid directional control valve 3 does not have electric current to pass through at this moment, so be in unloading condition.Therefore, in driving, chaufeur how to operate control handle 9 no matter, container can not liftings, thereby guaranteed the safety of driving.
The working process of container lifting safety control described in the utility model is as follows:
When wanting to unload, during chaufeur pull-up brake-applying handle 8, Lian Dong source switch 6 closures have electric current to pass through in the coil of two-position three way solenoid directional control valve 3 at this moment with it, electromagnet attracts unshakable in one's determination, and the commutation valve rod of two-position three way solenoid directional control valve 3 the insides is moved to the left.Shown in Fig. 2 A, two-position three way solenoid directional control valve 3 is connected the oil outlet of 3-position-3-way change-over valve 2 and the oil circuit between the hydraulic ram 4.
Under this state, chaufeur is as if the control handle of operating left on the 3-position-3-way change-over valve 29, shown in Fig. 2 B, 2 of 3-position-3-way change-over valves can be connected gear type pump 1 to the oil circuit between the two position three way directional control valve, gear type pump 1 pumps high pressure oil and enters 3-position-3-way change-over valve 2 through oil pipe under the drive of the power takeoff on the change-speed box (not shown) like this, by entering two-position three way solenoid directional control valve 3 behind the 3-position-3-way change-over valve 2, by entering hydraulic ram 4 behind the two-position three way solenoid directional control valve 3, finish the lifting of container.
After unsnatching goods, chaufeur is if operate the control handle 9 of 3-position-3-way change-over valve 2 to the right, make 3-position-3-way change-over valve 2 be converted to position shown in Fig. 2 C, then the hydraulic oil in the hydraulic ram 4 is through two-position three way solenoid directional control valve 3, pass through 3-position-3-way change-over valve 2 again, get back to fuel tank 5, finish the falling of container.
In case chaufeur is decontroled brake-applying handle 8, the source switch 6 of interlock with it disconnects, and no current passes through in the coil of two-position three way solenoid directional control valve 3 at this moment, and the valve rod of two-position three way solenoid directional control valve 3 is repositioned to position shown in Fig. 2 D under the effect of pull back spring.
At this moment, suppose the careless control handle 9 of having operated 3-position-3-way change-over valve 2 to the right or left of chaufeur, the hydraulic oil that gear type pump 1 pumps arrives two-position three way solenoid directional control valve 3 through 3-position-3-way change-over valve 2 backs, because two-position three way solenoid directional control valve 3 is in unloading condition at this moment, be that hydraulic oil flows back to fuel tank 5 behind two-position three way solenoid directional control valve 3, so container is can lifting.

Claims (2)

1. container lifting safety control, basic structure with container lifting device, fuel tank links to each other by the oil inlet of gear type pump with the 3-position-3-way change-over valve, it is characterized in that: the 3-position-3-way change-over valve between the hydraulic ram serial connection two-position three way solenoid directional control valve, the oil outlet of this 3-position-3-way change-over valve is connected in the oil inlet of two-position three way solenoid directional control valve, the return opening of the return opening of 3-position-3-way change-over valve and two-position three way solenoid directional control valve all is connected in fuel tank, and the oil outlet of this two-position three way solenoid directional control valve links to each other with hydraulic ram, and, this two-position three way solenoid directional control valve is arranged to link with braking during standstill, make when vehicle is in the braking during standstill state that this two-position three way solenoid directional control valve is connected the oil circuit between hydraulic ram and the 3-position-3-way change-over valve.
2. container lifting safety control as claimed in claim 1, it is characterized in that: this two-position three way solenoid directional control valve is connected in power supply by source switch, and source switch is arranged to and the brake-applying handle interlock, thereby realizes the interlock of this two-position three way solenoid directional control valve and braking during standstill.
CN2010202499416U 2010-07-02 2010-07-02 Packing case lifting safety control device Expired - Lifetime CN201753040U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202499416U CN201753040U (en) 2010-07-02 2010-07-02 Packing case lifting safety control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202499416U CN201753040U (en) 2010-07-02 2010-07-02 Packing case lifting safety control device

Publications (1)

Publication Number Publication Date
CN201753040U true CN201753040U (en) 2011-03-02

Family

ID=43620769

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010202499416U Expired - Lifetime CN201753040U (en) 2010-07-02 2010-07-02 Packing case lifting safety control device

Country Status (1)

Country Link
CN (1) CN201753040U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106740767A (en) * 2017-02-12 2017-05-31 段建辉 The parking brake system of dumper
CN106882173A (en) * 2017-02-12 2017-06-23 段建辉 The braking method of the parking brake system of dumper
CN107953818A (en) * 2016-10-17 2018-04-24 江苏华祥机械制造有限公司 A kind of dumper fluid pressure linkage protective device
CN108773309A (en) * 2018-07-10 2018-11-09 徐州徐工矿山机械有限公司 A kind of energy saver of lifting system of mining dumper
CN108867694A (en) * 2018-08-02 2018-11-23 中国十九冶集团有限公司 Piping lane construction formwork Control System of Trolley

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107953818A (en) * 2016-10-17 2018-04-24 江苏华祥机械制造有限公司 A kind of dumper fluid pressure linkage protective device
CN106740767A (en) * 2017-02-12 2017-05-31 段建辉 The parking brake system of dumper
CN106882173A (en) * 2017-02-12 2017-06-23 段建辉 The braking method of the parking brake system of dumper
CN106882173B (en) * 2017-02-12 2019-03-26 福建省白云电力科技有限公司 The braking method of the parking brake system of dumper
CN106740767B (en) * 2017-02-12 2019-05-07 德清通承智能科技有限公司 The parking brake system of dumper
CN108773309A (en) * 2018-07-10 2018-11-09 徐州徐工矿山机械有限公司 A kind of energy saver of lifting system of mining dumper
CN108867694A (en) * 2018-08-02 2018-11-23 中国十九冶集团有限公司 Piping lane construction formwork Control System of Trolley

Similar Documents

Publication Publication Date Title
CN201753040U (en) Packing case lifting safety control device
CN201745568U (en) Heavy mineral dump truck brake control system
CN203920726U (en) Integrated form automatic parking brake device
CN104401306B (en) A kind of Large Electric wheel quarry tipper hydraulic braking controls integrated system
CN102582606A (en) Hydraulic brake device
CN201712596U (en) Parking braking device for mine dump truck
CN105329229A (en) Car and braking system of car
CN105216772B (en) Parking and handling interlock system
CN102616125B (en) A kind of system and method that hydraulic energy-accumulation hybrid power is provided
CN203864675U (en) Hydraulic braking system for mining dump trucks
CN104494586B (en) Automatic parking control system and control method of automatic cars
CN202657018U (en) Parking braking system
CN102562852B (en) Clutch slave cylinder for hybrid electric vehicles
CN204296697U (en) The automatic parking control system of automatic catch vehicle
CN209566903U (en) A kind of braking system
CN102128064A (en) Vehicle engine braking system and control circuit thereof
CN201367018Y (en) Integral type pneumatic control valve of automobile hill-start assist system
CN203344865U (en) Single-H-controlled power takeoff electric control system capable of taking force while running
CN103303178B (en) Single-H operated power takeoff electrical control system capable of carrying out traveling power take-off and use method of electrical control system
CN202829411U (en) Control system of freely-descending mechanism of hoisting machinery
CN201952155U (en) Mine winch preventing from magnifying slip
CN103935350A (en) Gas-liquid composite braking structure and mining mechanical vehicle
CN201089453Y (en) Brake operating device for big power wheeled tractor
CN204674433U (en) The hoisting system of dumping car
CN103303179B (en) The power takeoff pneumatic control system that two H that can drive a vehicle power taking handle and using method thereof

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Feitian, Zhucheng auto technology development corporation, Ltd.

Assignor: Beiqi Futian Automobile Co., Ltd.

Contract record no.: 2011370000386

Denomination of utility model: Packing case lifting safety control device

Granted publication date: 20110302

License type: Exclusive License

Record date: 20110823

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20110302