CN202156403U - Electronic travelling crane braking system for mining electric wheeled dumper - Google Patents

Electronic travelling crane braking system for mining electric wheeled dumper Download PDF

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Publication number
CN202156403U
CN202156403U CN2011202741325U CN201120274132U CN202156403U CN 202156403 U CN202156403 U CN 202156403U CN 2011202741325 U CN2011202741325 U CN 2011202741325U CN 201120274132 U CN201120274132 U CN 201120274132U CN 202156403 U CN202156403 U CN 202156403U
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CN
China
Prior art keywords
valve
axle
propons
braking
electric
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
CN2011202741325U
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Chinese (zh)
Inventor
孟庆勇
蹤雪梅
王月行
翟海燕
何磊
赵燕
祝惠一
范旭辉
魏哲雷
孙辉
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.)
Jiangsu XCMG Construction Machinery Institute Co Ltd
Original Assignee
Jiangsu XCMG Construction Machinery Institute Co Ltd
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Filing date
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Application filed by Jiangsu XCMG Construction Machinery Institute Co Ltd filed Critical Jiangsu XCMG Construction Machinery Institute Co Ltd
Priority to CN2011202741325U priority Critical patent/CN202156403U/en
Application granted granted Critical
Publication of CN202156403U publication Critical patent/CN202156403U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses an electronic travelling crane braking system for a mining electric wheeled dumper, which belongs to the field of mining dumpers. An electronic pedal is connected with an input end of a valve driver, a front axle electric liquid proportion braking valve and a rear axle electric liquid proportion braking valve are respectively connected with an output end of the valve driver, the front axle electric liquid proportion braking valve is connected with a front axle travelling crane brake, and the rear axle electric liquid proportion braking valve is connected with a rear axle travelling crane brake. The front axle electric liquid proportion braking valve is connected with an oil tank through a front axle braking maintain valve, the rear axle electric liquid proportion braking valve is connected with the oil tank through a rear axle braking maintain valve, and the front axle braking maintain valve and the rear axle braking maintain valve are connected with a steering hydraulic system. The electronic travelling crane braking system for the mining electric wheeled dumper has the advantages of flexibility in controlling, convenience in operation, high reliability, higher easiness in fault diagnosis and sensitivity in braking.

Description

Electric drive wheel quarry tipper electronics service braking system
Technical field
The utility model relates to a kind of quarry tipper service brake product, relates in particular to a kind of electric drive wheel quarry tipper electronics service braking system, belongs to the quarry tipper field.
Background technology
At present, the service braking system of electric power wheel self-discharging vehicle generally adopts hydraulic pilot control service braking system both at home and abroad, thereby the open and close that treadle valve control guide oil goes to handle relay valve realize service brake.This system hydraulic tubing connects more complicated, and pipeline is very long, be connected to operator's compartment, has both influenced beautiful and clean in the operator's compartment; Main this braking effect reaction is slow, control is dumb, the braking reliability is low, poor safety performance, trouble diagnosing are not easy.
The utility model content
To the problem that above-mentioned prior art exists, the utility model provides a kind of electric drive wheel quarry tipper electronics service braking system, has the effect that control is flexible, easy to operate, reliability is high, trouble diagnosing is easier to, brake sensitivity.
To achieve these goals; The technical scheme that the utility model adopts is: a kind of electric drive wheel quarry tipper electronics service braking system; Comprise fuel tank, Hydraulic Pump, steering hydraulic system, propons running brake, back axle running brake; The Hydraulic Pump oil inlet connects fuel tank; Steering hydraulic system connects the oil outlet of Hydraulic Pump, comprises that also electronic pedal, valve actuator, propons electric-hydraulic proportion brake activation valve, back axle electric-hydraulic proportion brake activation valve, propons braking keep valve body, back axle braking to keep valve body, and electronic pedal is connected with the input end of valve actuator; Propons electric-hydraulic proportion brake activation valve, back axle electric-hydraulic proportion brake activation valve are connected with the mouth of valve actuator respectively; Propons electric-hydraulic proportion brake activation valve is connected with the propons running brake, and back axle electric-hydraulic proportion brake activation valve is connected with the back axle running brake, and propons electric-hydraulic proportion brake activation valve keeps valve body to be connected with fuel tank through the propons braking; Back axle electric-hydraulic proportion brake activation valve keeps valve body to be connected with fuel tank through the back axle braking, and the propons braking keeps valve body, and braking keeps valve body to be connected steering hydraulic system with back axle.
The propons braking keeps valve body to be made up of propons check valve connection propons unloader valve, and adopts thread cartridge formula valve member, is integrated in the propons braking and keeps on the valve body.
The back axle braking keeps valve body to be made up of back axle check valve connection back axle unloader valve.
The propons energy storage is connected with Hydraulic Pump through propons check valve, steering hydraulic system, is connected with fuel tank through the propons unloader valve.
The back axle energy storage is connected with Hydraulic Pump through back axle check valve, steering hydraulic system, is connected with fuel tank through the back axle unloader valve.
First pressure sensor is connected with the propons running brake with propons electric-hydraulic proportion brake activation valve.
Second pressure sensor is connected with the back axle running brake with back axle electric-hydraulic proportion brake activation valve.
The 3rd pressure sensor is connected on the back axle braking maintenance valve body and is communicated with back axle energy storage and back axle electric-hydraulic proportion brake activation valve.
The 4th pressure sensor is connected the propons braking and keeps being communicated with propons energy storage and propons electric-hydraulic proportion brake activation valve on the valve body.
Hydraulic Pump is the constant-pressure variable plunger pump.
The beneficial effect of the utility model is: control flexibly, and is easy to operate, reliability is high, trouble diagnosing is easier to, brake sensitivity.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Among the figure: 1, fuel tank, 2, Hydraulic Pump, 3, steering hydraulic system, 4, electronic pedal; 5, valve actuator, 6, the propons running brake, 7, the back axle running brake, 8, propons electric-hydraulic proportion brake activation valve; 9, back axle electric-hydraulic proportion brake activation valve, 10, first pressure sensor, 11, second pressure sensor, 12, back axle braking keeps valve body, 13, back axle check valve; 14, the 3rd pressure sensor, 15, the back axle unloader valve, 16, the back axle energy storage, 17, the propons braking keeps valve body; 18, the 4th pressure sensor, 19, the propons energy storage, 20, the propons check valve, 21, the propons unloader valve.
The specific embodiment
To combine accompanying drawing that the utility model is described further below.
As shown in Figure 1; The utility model comprises fuel tank 1, Hydraulic Pump 2, steering hydraulic system 3, propons running brake 6, back axle running brake 7; Hydraulic Pump 2 oil inlets connect fuel tank 1; Steering hydraulic system 3 connects the oil outlet of Hydraulic Pump 2, comprises that also electronic pedal 4, valve actuator 5, propons electric-hydraulic proportion brake activation valve 8, back axle electric-hydraulic proportion brake activation valve 9, propons braking keep valve body 17, back axle braking to keep valve body 12, and electronic pedal 4 is connected with the input end of valve actuator 5; Propons electric-hydraulic proportion brake activation valve 8, back axle electric-hydraulic proportion brake activation valve 9 are connected with the mouth of valve actuator 5 respectively; Propons electric-hydraulic proportion brake activation valve 8 is connected with propons running brake 6, and back axle electric-hydraulic proportion brake activation valve 9 is connected with back axle running brake 7, and propons electric-hydraulic proportion brake activation valve 8 keeps valve body 17 to be connected with fuel tank 1 through the propons braking; Back axle electric-hydraulic proportion brake activation valve 9 keeps valve body 12 to be connected with fuel tank 1 through the back axle braking, and the propons braking keeps valve body 17, and braking keeps valve body 12 to be connected steering hydraulic system 3 with back axle; The propons braking keeps valve body 17 to be made up of propons check valve 20 connection propons unloader valves 21, and adopts thread cartridge formula valve member, is integrated in the propons braking and keeps on the valve body 17; The back axle braking keeps valve body 12 to be made up of back axle check valve 13 connection back axle unloader valves 15; Propons energy storage 19 is connected with Hydraulic Pump 2 through propons check valve 20, steering hydraulic system 3, is connected with fuel tank 1 through propons unloader valve 21; Back axle energy storage 16 is connected with Hydraulic Pump 2 through back axle check valve 13, steering hydraulic system 3, is connected with fuel tank 1 through back axle unloader valve 15; First pressure sensor 10 is connected with propons running brake 6 with propons electric-hydraulic proportion brake activation valve 8; Second pressure sensor 11 is connected with back axle running brake 7 with back axle electric-hydraulic proportion brake activation valve 9; The 3rd pressure sensor 14 is connected on the back axle braking maintenance valve body 12 and is communicated with back axle energy storage 16 and back axle electric-hydraulic proportion brake activation valve 9; The 4th pressure sensor 18 is connected the propons braking and keeps being communicated with propons energy storage 19 and propons electric-hydraulic proportion brake activation valve 8 on the valve body 17; Hydraulic Pump 2 is constant-pressure variable plunger pumps.
It is the brake system fuel feeding simultaneously that Hydraulic Pump 2 fuel feeding of the utility model are given steering hydraulic system 3; For back axle energy storage 16, propons energy storage 19 oil-filled; In the time will stopping in the driving process, step on electronic pedal 4, send speed-slackening signal to valve actuator 5 and go drive front axle electric-hydraulic proportion brake activation valve 8, back axle electric-hydraulic proportion brake activation valve 9 to make it to open; Be respectively propons running brake 6, back axle running brake 7 fuel feeding, realize braking.Electric-hydraulic proportion brake activation valve delivery pressure is directly proportional with electronic pedal 4 angles, guarantees gradual braking.Back axle energy storage 16, propons energy storage 19 as Emergency Power Supply, provide the hydraulic oil of service brake needs under the situation of Hydraulic Pump fault, improve the reliability of service braking system.First pressure sensor 10, second pressure sensor 11, the 3rd pressure sensor 14, the 4th pressure sensor 18 detect the pressure of propons running brake 6, back axle running brake 7, back axle energy storage 16, propons energy storage 19 respectively in real time; And be presented on the read-out; In case occur unusually, control system is reported to the police.Back axle unloader valve 15, propons unloader valve 21 are to be that back axle energy storage 16, propons energy storage 19 are laid down pressure oil when quarry tipper is not worked, and improve safety.

Claims (10)

1. electric drive wheel quarry tipper electronics service braking system; Comprise fuel tank (1), Hydraulic Pump (2), steering hydraulic system (3), propons running brake (6), back axle running brake (7); Hydraulic Pump (2) oil inlet connects fuel tank (1); Steering hydraulic system (3) connects the oil outlet of Hydraulic Pump (2); It is characterized in that comprise that also electronic pedal (4), valve actuator (5), propons electric-hydraulic proportion brake activation valve (8), back axle electric-hydraulic proportion brake activation valve (9), propons braking keep valve body (17), back axle braking to keep valve body (12), electronic pedal (4) is connected with the input end of valve actuator (5); Propons electric-hydraulic proportion brake activation valve (8), back axle electric-hydraulic proportion brake activation valve (9) are connected with the mouth of valve actuator (5) respectively; Propons electric-hydraulic proportion brake activation valve (8) is connected with propons running brake (6), and back axle electric-hydraulic proportion brake activation valve (9) is connected with back axle running brake 7, and propons electric-hydraulic proportion brake activation valve (8) keeps valve body (17) to be connected with fuel tank (1) through the propons braking; Back axle electric-hydraulic proportion brake activation valve (9) keeps valve body (12) to be connected with fuel tank (1) through the back axle braking, and the propons braking keeps valve body (17), and braking keeps valve body (12) to be connected steering hydraulic system (3) with back axle.
2. a kind of electric drive wheel quarry tipper electronics service braking system according to claim 1; It is characterized in that; Said propons braking keeps valve body (17) to be made up of propons check valve (20) connection propons unloader valve (21); And adopt thread cartridge formula valve member, be integrated in the propons braking and keep on the valve body (17).
3. a kind of electric drive wheel quarry tipper electronics service braking system according to claim 1 is characterized in that, said back axle braking keeps valve body (12) to be made up of back axle check valve (13) connection back axle unloader valve (15).
4. a kind of electric drive wheel quarry tipper electronics service braking system according to claim 1; It is characterized in that; Said propons energy storage (19) is connected with Hydraulic Pump (2) through propons check valve (20), steering hydraulic system (3), is connected with fuel tank (1) through propons unloader valve (21).
5. a kind of electric drive wheel quarry tipper electronics service braking system according to claim 1; It is characterized in that; Said back axle energy storage (16) is connected with Hydraulic Pump (2) through back axle check valve (13), steering hydraulic system (3), is connected with fuel tank (1) through back axle unloader valve (15).
6. a kind of electric drive wheel quarry tipper electronics service braking system according to claim 1 is characterized in that said first pressure sensor (10) is connected with propons running brake (6) with propons electric-hydraulic proportion brake activation valve (8).
7. a kind of electric drive wheel quarry tipper electronics service braking system according to claim 1 is characterized in that said second pressure sensor (11) is connected with back axle running brake (7) with back axle electric-hydraulic proportion brake activation valve (9).
8. a kind of electric drive wheel quarry tipper electronics service braking system according to claim 1; It is characterized in that said the 3rd pressure sensor (14) is connected the back axle braking and keeps valve body (12) to go up and connection back axle energy storage (16) and back axle electric-hydraulic proportion brake activation valve (9).
9. a kind of electric drive wheel quarry tipper electronics service braking system according to claim 1; It is characterized in that; Said the 4th pressure sensor (18) is connected the propons braking and keeps being communicated with propons energy storage (19) and propons electric-hydraulic proportion brake activation valve (8) on the valve body (17).
10. a kind of electric drive wheel quarry tipper electronics service braking system according to claim 1 is characterized in that said Hydraulic Pump (2) is the constant-pressure variable plunger pump.
CN2011202741325U 2011-07-31 2011-07-31 Electronic travelling crane braking system for mining electric wheeled dumper Expired - Lifetime CN202156403U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011202741325U CN202156403U (en) 2011-07-31 2011-07-31 Electronic travelling crane braking system for mining electric wheeled dumper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011202741325U CN202156403U (en) 2011-07-31 2011-07-31 Electronic travelling crane braking system for mining electric wheeled dumper

Publications (1)

Publication Number Publication Date
CN202156403U true CN202156403U (en) 2012-03-07

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102350987A (en) * 2011-07-31 2012-02-15 徐工集团工程机械股份有限公司江苏徐州工程机械研究院 Electronic service braking system for electric wheel mining dump truck
CN103116338A (en) * 2013-01-16 2013-05-22 中国人民解放军理工大学 Intelligent management and control device of mining dump vehicle
CN106015123A (en) * 2016-06-27 2016-10-12 广西柳工机械股份有限公司 Pressure relief control method for energy accumulator of mining dump truck
CN107830086A (en) * 2017-10-26 2018-03-23 广州电力机车有限公司 A kind of dumper vehicle brake and its design method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102350987A (en) * 2011-07-31 2012-02-15 徐工集团工程机械股份有限公司江苏徐州工程机械研究院 Electronic service braking system for electric wheel mining dump truck
CN102350987B (en) * 2011-07-31 2015-08-12 徐工集团工程机械股份有限公司江苏徐州工程机械研究院 A kind of electronic travelling crane braking system for mining electric wheeled dumper
CN103116338A (en) * 2013-01-16 2013-05-22 中国人民解放军理工大学 Intelligent management and control device of mining dump vehicle
CN103116338B (en) * 2013-01-16 2014-11-12 中国人民解放军理工大学 Intelligent management and control device of mining dump vehicle
CN106015123A (en) * 2016-06-27 2016-10-12 广西柳工机械股份有限公司 Pressure relief control method for energy accumulator of mining dump truck
CN106015123B (en) * 2016-06-27 2018-06-26 广西柳工机械股份有限公司 Quarry tipper accumulator pressure release control method
CN107830086A (en) * 2017-10-26 2018-03-23 广州电力机车有限公司 A kind of dumper vehicle brake and its design method
CN107830086B (en) * 2017-10-26 2019-10-29 广州电力机车有限公司 A kind of dumper vehicle brake and its design method

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C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20120307

Effective date of abandoning: 20150812

RGAV Abandon patent right to avoid regrant