CN107161129A - A kind of novel high speed wheeled excavating brake system - Google Patents
A kind of novel high speed wheeled excavating brake system Download PDFInfo
- Publication number
- CN107161129A CN107161129A CN201710397606.7A CN201710397606A CN107161129A CN 107161129 A CN107161129 A CN 107161129A CN 201710397606 A CN201710397606 A CN 201710397606A CN 107161129 A CN107161129 A CN 107161129A
- Authority
- CN
- China
- Prior art keywords
- brake
- accumulator
- valve
- pressure
- reducing valve
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
- B60T11/28—Valves specially adapted therefor
- B60T11/34—Pressure reducing or limiting valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
- B60T11/24—Single initiating means operating on more than one circuit, e.g. dual circuits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/07—Supply of pressurised fluid for steering also supplying other consumers ; control thereof
- B62D5/075—Supply of pressurised fluid for steering also supplying other consumers ; control thereof using priority valves
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Operation Control Of Excavators (AREA)
Abstract
The present invention discloses a kind of novel high speed wheeled excavating brake system, belongs to wheel excavator brake field, including gear pump, the brake valve that is connected with gear pump, and the brake valve is connected with turning gradient control valve, accumulator and proportional pressure-reducing valve respectively；The turning gradient control valve is connected with steering gear, and steering gear is connected with steering cylinder；The accumulator includes accumulator one and accumulator two, and the proportional pressure-reducing valve includes proportional pressure-reducing valve one and proportional pressure-reducing valve two；The gear pump is connected with fuel tank, and oil is filled with oil in accumulator one and accumulator two, accumulator one through gear pump and, through brake valve, proportional pressure-reducing valve one to propons, forms brake circuit one in fuel tank；Oil forms brake circuit two through brake valve, proportional pressure-reducing valve two to back axle in the accumulator two.The brakes can be that there is provided high reliability, high-comfort braking effect for the wheel excavator run at high speed.
Description
Technical field
The present invention relates to a kind of brakes, and in particular to a kind of novel high speed wheeled excavating brake system, belongs to wheel
Formula excavator brake field.
Background technology
Current wheeled excavating brake system is full power hydraulic brake system mostly, mainly by pump, accumulator, brake valve and system
Dynamic device composition, the good dynamic characteristic itself having is that full power hydraulic brake system provides stable maneuverability and security
Important leverage.For the wheel excavator run at high speed, to full power hydraulic brake system require it is higher, it is necessary to comfortableness more
High, safer brakes.
The content of the invention
In view of the above-mentioned problems of the prior art, the present invention provides a kind of novel high speed wheeled excavating brake system,
For the wheel excavator run at high speed, there is provided high reliability, high-comfort braking effect.
To achieve these goals, a kind of novel high speed wheeled excavating brake system that the present invention is used, including gear
Pump, the brake valve being connected with gear pump, the brake valve are connected with turning gradient control valve, accumulator and proportional pressure-reducing valve respectively；
The turning gradient control valve is connected with steering gear, and steering gear is connected with steering cylinder；
The accumulator includes accumulator one and accumulator two, and proportional pressure-reducing valve includes proportional pressure-reducing valve one and ratio is depressurized
Valve two；
The gear pump is connected with fuel tank, and oil is filled with accumulator one and accumulator two, accumulator one through gear pump in fuel tank
Interior oil forms brake circuit one through brake valve, proportional pressure-reducing valve one to propons；Oil is through brake valve, ratio in the accumulator two
Pressure-reducing valve two forms brake circuit two to back axle.
As an improvement, supercharging pressure sensor and brake-pressure sensor are connected on the brake valve, the supercharging pressure
Sensor is used to gather accumulator supercharging pressure signal, and the brake-pressure sensor is used to gather accumulator brake pressure letter
Number；
The brake-pressure sensor includes brake-pressure sensor one and brake-pressure sensor two, the brake pressure
Sensor one is arranged on the brake valve between accumulator one and proportional pressure-reducing valve one, and the brake-pressure sensor two is arranged on storage
On brake valve between energy device two and proportional pressure-reducing valve two.
As an improvement, the center of gravity curve and display that also include controller, be electrically connected with the controller respectively；
The controller is depressurized with supercharging pressure sensor, brake-pressure sensor one, proportional pressure-reducing valve one, ratio respectively
Valve two and brake-pressure sensor two are electrically connected.
As an improvement, also including excavator operating position sensor and velocity sensor；
The operating position sensor collection excavator operating position information simultaneously obtains position curve, the velocity sensor
Collection excavator velocity information simultaneously obtains rate curve；
Center of gravity curve is obtained by position curve, rate curve fitting, the defeated people of center of gravity curve enters in the controller,
Two different current curves are exported to proportional pressure-reducing valve one, proportional pressure-reducing valve two by controller, brake circuit is controlled respectively
First, the pressure size of brake circuit two.
As an improvement, the gear pump is first to accumulator one and the internal-filling liquid of accumulator two, after being full of, gear pump is by brake valve
B mouthfuls of diverted pressure-gradient control valves are steering gear fuel feeding.
Compared with prior art, the beneficial effects of the invention are as follows：
1. turning to and braking can share a high-pressure oil passage, cost is saved, loss is reduced.
2. moment detection machine gravity position, braking implement it is softer with it is steady.
3. the moment shows brake pressure and supercharging pressure in display instrument, make brakes security higher.
Brief description of the drawings
Fig. 1 is theory structure schematic diagram of the invention；
Fig. 2 is position of centre of gravity control framework figure in brakes of the present invention；
In figure：1st, display, 2, controller, 3, center of gravity curve, 4, fuel tank, 5, gear pump, 6, accumulator one, 7, accumulator
Two, 8, supercharging pressure sensor, 9, brake valve, 10, brake-pressure sensor one, 11, proportional pressure-reducing valve one, 12, propons, 13,
Back axle, 14, proportional pressure-reducing valve two, 15, brake-pressure sensor two, 16, turning gradient control valve, 17, steering gear.
Embodiment
To make the object, technical solutions and advantages of the present invention of greater clarity, below by drawings and Examples, to this
Invention is further elaborated.However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention,
The scope being not intended to limit the invention.
Unless otherwise defined, all technical terms and scientific terminology used herein are led with belonging to the technology of the present invention
The implication that the technical staff in domain is generally understood that is identical, and used term is intended merely to retouch in the description of the invention herein
State the purpose of specific embodiment, it is not intended that in the limitation present invention.
As shown in figure 1, a kind of novel high speed wheeled excavating brake system, including gear pump 5, it is connected with gear pump 5
Brake valve 9, the brake valve 9 is connected with turning gradient control valve 16, accumulator and proportional pressure-reducing valve respectively；
The turning gradient control valve 16 is connected with steering gear 17, and steering gear 17 is connected with steering cylinder；
The accumulator includes accumulator 1 and accumulator 27, and the proportional pressure-reducing valve includes the He of proportional pressure-reducing valve 1
Proportional pressure-reducing valve 2 14；
The gear pump 5 is connected with fuel tank 4, and oil is filled with accumulator 1 and accumulator 27 through gear pump 5 in fuel tank 4, is stored
Oil forms brake circuit one through brake valve 9, proportional pressure-reducing valve 1 to propons 12 in energy device 1；It is oily in the accumulator 27
Through brake valve 9, proportional pressure-reducing valve 2 14 to back axle 13, brake circuit two is formed.
As the improvement of embodiment, supercharging pressure sensor 8 and brake-pressure sensor, institute are connected on the brake valve 9
Stating supercharging pressure sensor 8 is used to gather accumulator supercharging pressure signal, and the brake-pressure sensor is used to gather accumulator
Brake pressure signal；
The brake-pressure sensor includes brake-pressure sensor 1 and brake-pressure sensor 2 15, the braking
Pressure sensor 1 is arranged on the brake valve 9 between accumulator 1 and proportional pressure-reducing valve 1, the brake-pressure sensor
2 15 are arranged on the brake valve 9 between accumulator 27 and proportional pressure-reducing valve 2 14.
As the improvement of embodiment, in addition to controller 2, the center of gravity curve 3 and display that are electrically connected respectively with controller 2
1；
The controller 2 respectively with supercharging pressure sensor 8, brake-pressure sensor 1, proportional pressure-reducing valve 1, ratio
Example pressure-reducing valve 2 14 and brake-pressure sensor 2 15 are electrically connected.Supercharging pressure sensor 8 and brake-pressure sensor are adopted respectively
Collect the supercharging pressure signal and brake pressure signal of accumulator, and the pressure signal of collection is fed back into controller, controller will
Correlation signal transmission instrument into display 1 is shown and alarmed.
As the improvement of embodiment, as shown in Fig. 2 also including excavator operating position sensor and velocity sensor；
The operating position sensor collection excavator operating position information simultaneously obtains position curve, the velocity sensor
Collection excavator velocity information simultaneously obtains rate curve；
Center of gravity curve is obtained by position curve, rate curve fitting, the defeated people of center of gravity curve enters the controller 2
It is interior, two different current curves are exported to proportional pressure-reducing valve 1, proportional pressure-reducing valve 2 14 by controller 2, independently
Control brake circuit one, the pressure size of brake circuit two.
As the improvement of embodiment, the gear pump 5 is first to accumulator 1 and the internal-filling liquid of accumulator 27, after being full of, tooth
Wheel pump 5 is the fuel feeding of steering gear 17 by B mouthfuls of diverted pressure-gradient control valves 16 of brake valve.
Turned in the brakes of the present invention and braking can share a high-pressure oil passage, saved cost, reduce loss；When
Carve detection machine gravity position, braking implement it is softer with it is steady；Moment shown in display instrument brake pressure and
Supercharging pressure, makes brakes security higher.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent substitution or improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (5)
1. a kind of novel high speed wheeled excavating brake system, it is characterised in that be connected including gear pump (5), with gear pump (5)
Brake valve (9), the brake valve (9) is connected with turning gradient control valve (16), accumulator and proportional pressure-reducing valve respectively；
The turning gradient control valve (16) is connected with steering gear (17), and steering gear (17) is connected with steering cylinder；
The accumulator includes accumulator one (6) and accumulator two (7), and the proportional pressure-reducing valve includes proportional pressure-reducing valve one (11)
With proportional pressure-reducing valve two (14)；
The gear pump (5) is connected with fuel tank (4), and fuel tank (4) interior oil is filled with accumulator one (6) and accumulator through gear pump (5)
Two (7), the interior oil of accumulator one (6) forms brake circuit one through brake valve (9), proportional pressure-reducing valve one (11) to propons (12)；Institute
The interior oil of accumulator two (7) is stated through brake valve (9), proportional pressure-reducing valve two (14) to back axle (13), brake circuit two is formed.
2. a kind of novel high speed wheeled excavating brake system according to claim 1, it is characterised in that the brake valve
(9) supercharging pressure sensor (8) and brake-pressure sensor are connected on, the supercharging pressure sensor (8) is used to gather accumulation of energy
Device supercharging pressure signal, the brake-pressure sensor is used to gather accumulator brake pressure signal；
The brake-pressure sensor includes brake-pressure sensor one (10) and brake-pressure sensor two (15), the braking
Pressure sensor one (10) is arranged on the brake valve between accumulator one (6) and proportional pressure-reducing valve one (11) (9), the braking pressure
Force snesor two (15) is arranged on the brake valve between accumulator two (7) and proportional pressure-reducing valve two (14) (9).
3. a kind of novel high speed wheeled excavating brake system according to claim 2, it is characterised in that also including control
Device (2), the center of gravity curve (3) and display (1) electrically connected respectively with controller (2)；
The controller (2) respectively with supercharging pressure sensor (8), brake-pressure sensor one (10), proportional pressure-reducing valve one
(11), proportional pressure-reducing valve two (14) and brake-pressure sensor two (15) electrical connection.
4. a kind of novel high speed wheeled excavating brake system according to claim 3, it is characterised in that also including excavating
Machine operating position sensor and velocity sensor；
The operating position sensor collection excavator operating position information simultaneously obtains position curve, the velocity sensor collection
Excavator velocity information simultaneously obtains rate curve；
Center of gravity curve is obtained by position curve, rate curve fitting, the defeated people of center of gravity curve enters in the controller (2),
Two different current curves are exported to proportional pressure-reducing valve one (11), proportional pressure-reducing valve two (14) by controller (2), controlled respectively
Brake circuit one processed, the pressure size of brake circuit two.
5. a kind of novel high speed wheeled excavating brake system according to claim 1, it is characterised in that the gear pump
(5) first to accumulator one (6) and accumulator two (7) internal-filling liquid, after being full of, gear pump (5) is by B mouthfuls of diverted pressure-gradient control valves of brake valve
(16) it is steering gear (17) fuel feeding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710397606.7A CN107161129A (en) | 2017-05-31 | 2017-05-31 | A kind of novel high speed wheeled excavating brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710397606.7A CN107161129A (en) | 2017-05-31 | 2017-05-31 | A kind of novel high speed wheeled excavating brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107161129A true CN107161129A (en) | 2017-09-15 |
Family
ID=59821168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710397606.7A Pending CN107161129A (en) | 2017-05-31 | 2017-05-31 | A kind of novel high speed wheeled excavating brake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107161129A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111976830A (en) * | 2020-08-27 | 2020-11-24 | 中国煤炭科工集团太原研究院有限公司 | Preferentially steering double-loop braking quantitative open system for mining vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101830225A (en) * | 2010-05-13 | 2010-09-15 | 吉林大学 | Engineering vehicle active anti-rollover control system and method |
| CN201923203U (en) * | 2010-12-01 | 2011-08-10 | 泸州长起特种起重设备有限公司 | Hydraulic steering and brake circuit for two-bridge engineering machinery |
| CN102785652A (en) * | 2012-08-17 | 2012-11-21 | 徐州徐工铁路装备有限公司 | Integrated control system of wheel type engineering machine |
| CN202806860U (en) * | 2012-09-17 | 2013-03-20 | 上海航福机场设备有限公司 | Hydraulic steering and braking system for aircraft tractor |
| CN103863390A (en) * | 2014-03-05 | 2014-06-18 | 合肥工业大学 | Balance controlling system for four-wheel counter-balanced forklift truck |
| CN105083248A (en) * | 2015-09-01 | 2015-11-25 | 杭叉集团股份有限公司 | Service braking system |
-
2017
- 2017-05-31 CN CN201710397606.7A patent/CN107161129A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101830225A (en) * | 2010-05-13 | 2010-09-15 | 吉林大学 | Engineering vehicle active anti-rollover control system and method |
| CN201923203U (en) * | 2010-12-01 | 2011-08-10 | 泸州长起特种起重设备有限公司 | Hydraulic steering and brake circuit for two-bridge engineering machinery |
| CN102785652A (en) * | 2012-08-17 | 2012-11-21 | 徐州徐工铁路装备有限公司 | Integrated control system of wheel type engineering machine |
| CN202806860U (en) * | 2012-09-17 | 2013-03-20 | 上海航福机场设备有限公司 | Hydraulic steering and braking system for aircraft tractor |
| CN103863390A (en) * | 2014-03-05 | 2014-06-18 | 合肥工业大学 | Balance controlling system for four-wheel counter-balanced forklift truck |
| CN105083248A (en) * | 2015-09-01 | 2015-11-25 | 杭叉集团股份有限公司 | Service braking system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111976830A (en) * | 2020-08-27 | 2020-11-24 | 中国煤炭科工集团太原研究院有限公司 | Preferentially steering double-loop braking quantitative open system for mining vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103754203B (en) | A kind of EHB with mechanical type fail safe | |
| CN103950444A (en) | Electronic hydraulic brake system capable of reducing liquid outlets of main cylinder | |
| CN105799679A (en) | Oil pressure assistance braking system and control method thereof | |
| CN102292246A (en) | Electrohydraulic brake system and method for operating the same | |
| CN102398582B (en) | For the brake system of vehicle | |
| CN208544412U (en) | A kind of comprehensive folding and unfolding brake dual system of unmanned plane undercarriage | |
| CN104276040A (en) | Speed control system for a hydrostatic transmission | |
| CN103754208A (en) | Dual-motor driven electronic hydraulic brake system | |
| CN107444365A (en) | Electronic line control brake system | |
| CN201677873U (en) | Hydraulic brake system | |
| CN106427964A (en) | Control-by-wire hydraulic braking system and control method thereof | |
| CN104442772B (en) | Magnetic-levitation train and its train brake fluid system | |
| CN104648359A (en) | Intelligent braking system | |
| CN203766749U (en) | Electro-hydraulic composite braking upper-layer controller based on integrated brake master cylinder | |
| CN107161129A (en) | A kind of novel high speed wheeled excavating brake system | |
| CN106627541A (en) | Automobile active hydraulic braking system | |
| CN103253250B (en) | A kind of Electro-hydraulic brake system using integrated form brake master cylinder assy | |
| CN101054085B (en) | Braking anti-lock system with running braking function | |
| CN102642558A (en) | Manual pump oil head correction and brake-off control system | |
| CN202624350U (en) | Control system for correcting vehicle head and removing brake by pumping oil through hand pump | |
| CN103863289B (en) | A kind of vapour-pressure type electric control parking brakes | |
| CN205202991U (en) | Automotive emergency braking system | |
| CN102431532B (en) | Two-dragging-three type front-rear linkage brake | |
| CN206278083U (en) | Hydraulic power-assisted braking system of pure electric light truck | |
| CN206141527U (en) | Active hydraulic braking system of car |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170915 |
|
| RJ01 | Rejection of invention patent application after publication |