CN102632922B - Dump truck for mine and steering brake control device thereof - Google Patents
Dump truck for mine and steering brake control device thereof Download PDFInfo
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- CN102632922B CN102632922B CN201110401091.6A CN201110401091A CN102632922B CN 102632922 B CN102632922 B CN 102632922B CN 201110401091 A CN201110401091 A CN 201110401091A CN 102632922 B CN102632922 B CN 102632922B
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Abstract
The invention discloses a dump truck for a mine and a steering brake control device thereof, wherein the steering brake control device comprises a variable capacity pump and a control valve; the control valve comprises a first unidirectional valve which is a safety valve for oil returning when the output oil pressure of the variable capacity pump is greater than the preset value; an oil supply port of the variable capacity pump is connected with an oil supply port of a brake system, and supplies oil for an oil supply port of a steering system through a first unidirectional valve; the first end of the safety valve is connected with the oil supply port of the variable capacity pump or the oil supply port of the steering system; and the second end of the safety valve is connected with an oil return oil box. According to the invention, the oil of the variable capacity pump can be respectively supplied to the steering system and the brake system, connection between a power source and a system pipeline is reduced, and the using is not influenced while the system is simplified.
Description
Technical field
The present invention relates to engineering machinery field, be specifically related to a kind of quarry tipper and braking in a turn control setup thereof.
Background technology
Along with the development of national economy, the continuous integration of large surface mine, quarry tipper maximizes day by day, intellectuality, and quarry tipper is towards the future development of maximization high efficiency for this reason.Mine truck hydraulic efficiency pressure system generally comprises: lifting hydraulic system, steering hydraulic system, hydraulic braking system.Because they are subordinate to different operating system, each system is substantially independent, has propulsion source separately.And steering swivel system and brake system are frequent with respect to lifting work, if adopt independent power source, cause system complex, increase extra pipeline and connect.
Summary of the invention
In order to overcome defect and the deficiency of prior art, the first object of the present invention is to provide a kind of quarry tipper braking in a turn control setup that the same power source is steering swivel system and brake system fuel feeding that utilizes, and comprising: controllable capacity pump, control cock; Control cock comprises: the safety valve of the first check valve, oil return while being greater than preset value for the output oil pressure at controllable capacity pump; The oil-feed port of controllable capacity pump is connected with brake system oil-feed port, and is steering swivel system oil-feed port fuel feeding by the first check valve; Oil-feed port or the steering swivel system oil-feed port of the first end link variable pump of safety valve, the second end connects oil return fuel tank; Above-mentioned braking in a turn control setup also comprises at least one energy storage, and each energy storage is all connected with steering swivel system oil-feed port; Above-mentioned braking in a turn control setup also comprises energy storage blowoff valve, energy storage blowoff valve for stoping at least one energy storage oil return to oil return fuel tank when controllable capacity pump works, and when controllable capacity pump power-off quits work, be communicated with at least one energy storage and oil return fuel tank.
Further, energy storage blowoff valve is electromagnetic valve or hydraulic pilot valve; The oil-feed port of the control end link variable pump of hydraulic pilot valve.
Further, electromagnetic valve is two-position two-way solenoid valve.
Further, hydraulic pilot valve is bi-bit bi-pass hydraulic pilot valve.
Further, above-mentioned braking in a turn control setup also comprises the second check valve and power oil sources; Controllable capacity pump is brake system oil-feed port fuel feeding by the second check valve, and is steering swivel system oil-feed port fuel feeding by the first check valve and the second check valve; Power oil sources directly connects brake system oil-feed port, and connects steering swivel system oil-feed port by the first check valve.
Further, above-mentioned braking in a turn control setup also comprises steering pressure switch, and steering pressure switch connects the oil-feed port of at least one energy storage.
Further, above-mentioned braking in a turn control setup also comprises energy storage pressure table, and energy storage pressure table connects the oil-feed port of at least one energy storage.
In order to overcome above-mentioned defect and the deficiency of prior art, the second object of the present invention is to provide a kind of quarry tipper, comprises above-mentioned various braking in a turn control setup.
The braking in a turn control setup embodiment of quarry tipper of the present invention, by adopting a control cock that the oil content of controllable capacity pump is not supplied with to steering swivel system and brake system, reduces propulsion source and system pipeline and connects, and when simplifying system, does not affect use.
Accompanying drawing explanation
Fig. 1 is the structural representation of braking in a turn control setup first embodiment of quarry tipper of the present invention;
Fig. 2 is the profile schematic diagram of control cock 20 in Fig. 1;
Fig. 3 is the structural representation of braking in a turn control setup second embodiment of quarry tipper of the present invention.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, braking in a turn control setup first embodiment of quarry tipper of the present invention comprises: controllable capacity pump 10, control cock 20; Control cock comprises: the safety valve 203 of the first check valve 201, oil return while being greater than preset value for the output oil pressure at controllable capacity pump 10; The oil-feed port of controllable capacity pump 10 is connected with brake system oil-feed port 30, and is steering swivel system oil-feed port 40 fuel feeding by the first check valve 201; The oil-feed port of the first end link variable pump 10 of safety valve 203, the second end connects oil return fuel tank 50.During concrete operations, the first end of safety valve 203 can connect steering swivel system oil-feed port 40, and the direct oil-feed port of link variable pump 10 not; Safety valve 203 control oil returns foundation---above-mentioned preset value is free setting as required.
Preferably, braking in a turn control setup also comprises at least one energy storage 60, as shown in Figure 1 three; Each energy storage 60 is all connected with steering swivel system oil-feed port 40, and each energy storage 60 can be for steering swivel system provides the urgent energy when controllable capacity pump 10 is not worked because of fault.
Further preferably, braking in a turn control setup also comprises electromagnetic valve 205a, this electromagnetic valve 205a is as energy storage blowoff valve, this electromagnetic valve 205a for stoping each energy storage 60 oil returns to oil return fuel tank 50 when controllable capacity pump 10 works, and when controllable capacity pump 10 power-off quit work, be communicated with each energy storage 60 and oil return fuel tank 50.During concrete operations, electromagnetic valve 205a can be two-position two-way solenoid valve, two-position three way magnetic valve, two-position four-way solenoid valve etc.
Preferably, braking in a turn control setup also comprises the second check valve 207 and power oil sources 61, controllable capacity pump 10 is brake system oil-feed port 30 fuel feeding by the second check valve 207, and is steering swivel system oil-feed port 40 fuel feeding by the first check valve 201 and the second check valve 207; Power oil sources 61 directly connects brake system oil-feed port 30, and connects steering swivel system oil-feed port 40 by the first check valve 201.Like this, power oil sources 61 can be used as the supplementary oil sources of controllable capacity pump 10, and by the setting of the second check valve 207, power oil sources 61 is brake system oil-feed port 30 and steering swivel system oil-feed port 40 fuel feeding, and can oil return to controllable capacity pump 10.Be understandable that, the second check valve 207 also can arrange between controllable capacity pump 10 and safety valve 203, and like this, safety valve 203 can also be monitored the oil pressure of power oil sources 61, and oil return when its oil pressure is greater than preset value.Be understandable that, the quantity of power oil sources 61 can be for a plurality of.
Preferably, braking in a turn control setup also comprises steering pressure switch 70, and steering pressure switch 70 connects the oil-feed port of each energy storage 60, can monitor system pressure, while having fault pressure lower as system, can report to the police or other action, guarantee the driving safety of vehicle.
Preferably, braking in a turn control setup also comprises energy storage pressure table 80, and energy storage pressure table 80 connects the oil-feed port of each energy storage 60, can observe intuitively the pressure of steering swivel system.
The principle of work of above-mentioned braking in a turn control setup is summarized as follows: controllable capacity pump 10 is brake system oil-feed port 30 fuel feeding through the second check valve 207, through the first check valve 201, be steering swivel system oil-feed port 40 fuel feeding again, part fluid stored in energy storage 60 simultaneously; When turning to, can be steering swivel system oil-feed port 40 fuel feeding by energy storage 60, to improve steering sensitivity; At controllable capacity pump 10, for some reason not during fuel feeding, energy storage 60 can be steering swivel system oil-feed port 40 the urgent energy is provided; When quarry tipper is flame-out, controllable capacity pump 10 power-off are not worked, and electromagnetic valve 205a is released into oil return fuel tank 50 by the fluid of energy storage 60.In addition, the safety valve 203 being connected with controllable capacity pump 10 oil-feed ports plays and limits system pressure (pressure of controllable capacity pump 10 or power oil sources 61) function, if system pressure, will be by safety valve 203 oil returns to oil return fuel tank 50 higher than the preset pressure value of safety valve 203.
As shown in Figure 2, control cock 20 integral body can be rectangular box structure, the first check valve 201, the second check valve 207, safety valve 203 and electromagnetic valve 205a can be arranged on box surface, on box surface, be also reserved with the interface of each element, as: for the interface 50 ' being connected with oil return fuel tank 50, the interface 70 ' for being connected with steering pressure switch 70, the interface 30 ' for being connected with brake system oil-feed port 30, the interface 40 ' for being connected with steering swivel system oil-feed port 40, the interface 80 ' for being connected with energy storage pressure table 80; The interface schema of other elements do not show, as the interface of the interface of controllable capacity pump 10 and energy storage 60 can be arranged on the below of box body, in addition, the interface of power oil sources 61 can block or connect quick coupling with plug when not using.
As shown in Figure 3, the second embodiment of the braking in a turn control setup of quarry tipper of the present invention is with respect to the key distinction of the first embodiment shown in Fig. 1: utilize hydraulic pilot valve 205b as energy storage blowoff valve, the oil-feed port of the control end link variable pump 10 of this hydraulic pilot valve 205b, during concrete operations, hydraulic pilot valve 205b can be bi-bit bi-pass hydraulic pilot valve, two-position three way hydraulic pilot valve, two-position four-way hydraulic pilot valve etc.Unanimous on the whole with the function of electromagnetic valve 205a, for when controllable capacity pump 10 works, stop each energy storage 60 oil returns to oil return fuel tank 50(as disconnected being connected of each energy storage 60 and oil return fuel tank 50), and when quitting work (be quarry tipper flame-out) because of power-off, controllable capacity pump 10 is communicated with each energy storage 60 and oil return fuel tank 50, realize oil return, to guarantee the safety of quarry tipper when not moving.
When the oil-feed port control hydraulic pilot valve 205b that utilizes controllable capacity pump 10 carries out energy storage 60 oil returns control, pressure decreased when controllable capacity pump 10 stops, and then control hydraulic pilot valve 205b connection energy storage 60 and oil return fuel tank 50, each energy storage 60 can automatic-discharging.In addition, steering swivel system return opening 90, by connecting the interface being connected with oil return fuel tank 50 in control cock 20 ', is realized oil return.
Be understandable that, in the present embodiment, also can increase by the second check valve 207 so that power oil sources 61 to be set, set-up mode can be referring to the explanation in Fig. 1; The oil-feed port that in the present embodiment, safety valve 203 first ends can link variable pump 10, and do not connect steering swivel system oil-feed port 40.
Quarry tipper braking in a turn control setup of the present invention, by adopting a control cock that the oil content of controllable capacity pump is not supplied with to steering swivel system and brake system, reduces propulsion source and system pipeline and connects, and when simplifying system, does not affect use; Preferably, be connected with energy storage and think steering swivel system fuel feeding in control cock, improve steering sensitivity, and emergent steerable energy is provided, further preferably, energy storage blowoff valve can guarantee the safety of vehicle when not working.
These are only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a braking in a turn control setup for quarry tipper, is characterized in that, comprising: controllable capacity pump (10), control cock (20); Described control cock (20) comprising: the safety valve (203) of the first check valve (201), oil return while being greater than preset value for the output oil pressure at described controllable capacity pump (10);
The oil-feed port of described controllable capacity pump (10) is connected with brake system oil-feed port (30), and is steering swivel system oil-feed port (40) fuel feeding by described the first check valve (201);
The first end of described safety valve (203) connects oil-feed port or the described steering swivel system oil-feed port (40) of described controllable capacity pump (10), and the second end connects oil return fuel tank (50); Described braking in a turn control setup also comprises at least one energy storage (60), and each energy storage (60) is all connected with described steering swivel system oil-feed port (40); Described braking in a turn control setup also comprises energy storage blowoff valve, described energy storage blowoff valve for stoping described at least one energy storage (60) oil return to described oil return fuel tank (50) when described controllable capacity pump (10) works, and when described controllable capacity pump (10) power-off quits work, be communicated with described at least one energy storage (60) and described oil return fuel tank (50).
2. braking in a turn control setup according to claim 1, is characterized in that, described energy storage blowoff valve is electromagnetic valve (205a) or hydraulic pilot valve (205b); The control end of described hydraulic pilot valve (205b) connects the oil-feed port of described controllable capacity pump (10).
3. braking in a turn control setup according to claim 2, is characterized in that, described electromagnetic valve (205a) is two-position two-way solenoid valve.
4. braking in a turn control setup according to claim 2, is characterized in that, described hydraulic pilot valve (205b) is bi-bit bi-pass hydraulic pilot valve.
5. according to the braking in a turn control setup described in any one in the claims 1-4, it is characterized in that, also comprise the second check valve (207) and power oil sources (61);
Described controllable capacity pump (10) is described brake system oil-feed port (30) fuel feeding by described the second check valve (207), and is described steering swivel system oil-feed port (40) fuel feeding by described the first check valve (201) and the second check valve (207);
Described power oil sources (61) directly connects described brake system oil-feed port (30), and connects described steering swivel system oil-feed port (40) by described the first check valve (201).
6. according to the braking in a turn control setup described in any one in the claims 1-4, it is characterized in that, also comprise steering pressure switch (70), described steering pressure switch (70) connects the oil-feed port of described at least one energy storage (60).
7. according to the braking in a turn control setup described in any one in the claims 1-4, it is characterized in that, also comprise: energy storage pressure table (80), described energy storage pressure table (80) connects the oil-feed port of described at least one energy storage (60).
8. a quarry tipper, is characterized in that, comprises the braking in a turn control setup as described in any one in claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110401091.6A CN102632922B (en) | 2011-12-06 | 2011-12-06 | Dump truck for mine and steering brake control device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110401091.6A CN102632922B (en) | 2011-12-06 | 2011-12-06 | Dump truck for mine and steering brake control device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102632922A CN102632922A (en) | 2012-08-15 |
| CN102632922B true CN102632922B (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110401091.6A Active CN102632922B (en) | 2011-12-06 | 2011-12-06 | Dump truck for mine and steering brake control device thereof |
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| CN (1) | CN102632922B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102815335B (en) * | 2012-09-06 | 2015-06-10 | 三一矿机有限公司 | Steering and braking integrated control system and mineral dumper |
| CN103912126A (en) * | 2012-12-31 | 2014-07-09 | 李长青 | Hydraulic automatic compression device for rotor concrete spraying machine grinding plates |
| CN104648471B (en) * | 2013-11-20 | 2018-05-25 | 山推工程机械股份有限公司 | Braking in a turn system and bull-dozer |
| CN104595256B (en) * | 2014-12-31 | 2017-01-25 | 中国煤炭科工集团太原研究院有限公司 | Novel energy accumulator automatic unloading device of coal mine underground explosion-proof vehicle |
| CN105539575B (en) * | 2015-12-16 | 2018-05-01 | 中联重机股份有限公司 | A kind of crawler running machinery water brake and steering mechanism |
| CN110626422A (en) * | 2019-10-10 | 2019-12-31 | 郑州宇通重工有限公司 | New forms of energy electricelectric sanitation car power-assisted steering emergency compensation control system |
| CN111086558B (en) * | 2019-12-26 | 2022-02-25 | 河北雷萨重型工程机械有限责任公司 | Hydraulic power-assisted steering system, control method and engineering vehicle |
| CN114658777B (en) * | 2022-03-08 | 2023-12-26 | 浙江海宏液压科技股份有限公司 | Control method of hydraulic system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4075840A (en) * | 1976-10-06 | 1978-02-28 | Clark Equipment Company | Brake and steering system |
| CN200974465Y (en) * | 2006-12-01 | 2007-11-14 | 王树跃 | Automotive vehicles |
| CN201309504Y (en) * | 2008-09-27 | 2009-09-16 | 内蒙古北方重型汽车股份有限公司 | System for lifting and steering a rigid mine self-dumping truck |
-
2011
- 2011-12-06 CN CN201110401091.6A patent/CN102632922B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4075840A (en) * | 1976-10-06 | 1978-02-28 | Clark Equipment Company | Brake and steering system |
| CN200974465Y (en) * | 2006-12-01 | 2007-11-14 | 王树跃 | Automotive vehicles |
| CN201309504Y (en) * | 2008-09-27 | 2009-09-16 | 内蒙古北方重型汽车股份有限公司 | System for lifting and steering a rigid mine self-dumping truck |
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| Publication number | Publication date |
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| CN102632922A (en) | 2012-08-15 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: SANY MINING MACHINERY CO., LTD. Free format text: FORMER OWNER: SANY HEAVY EQUIPMENT CO., LTD. Effective date: 20120816 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 110027 SHENYANG, LIAONING PROVINCE TO: 215300 SUZHOU, JIANGSU PROVINCE |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20120816 Address after: The Yangcheng Lake Road Development Zone in Kunshan City, Suzhou City, Jiangsu province 215300 No. 999 room 18 Applicant after: Sany Mining Machinery Co., Ltd. Address before: Yansai Lake Street 110027 economic and Technological Development Zone Liaoning city Shenyang province No. 31 Applicant before: Sany Heavy Equipment Co.,Ltd. |
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| C10 | Entry into substantive examination | ||
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Effective date of registration: 20151202 Address after: 110027, No. 25, development road, Shenyang economic and Technological Development Zone, Liaoning Patentee after: Sany Heavy Equipment Co.,Ltd. Address before: The Yangcheng Lake Road Development Zone in Kunshan City, Suzhou City, Jiangsu province 215300 No. 999 room 18 Patentee before: Sany Mining Machinery Co., Ltd. |