CN104006278A - Hydraulic power assisted automatic grease injection system and bulldozer - Google Patents
Hydraulic power assisted automatic grease injection system and bulldozer Download PDFInfo
- Publication number
- CN104006278A CN104006278A CN201410254048.5A CN201410254048A CN104006278A CN 104006278 A CN104006278 A CN 104006278A CN 201410254048 A CN201410254048 A CN 201410254048A CN 104006278 A CN104006278 A CN 104006278A
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- oil
- hydraulic power
- power assisted
- loading system
- bulldozer
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Abstract
The invention discloses a hydraulic power assisted automatic grease injection system and a bulldozer, and belongs to the field of machinery control. The automatic grease injection system comprises a reversing valve 6, a work oil cylinder 7, a pressure boosting oil cylinder 9, an oil storage barrel 11, two one-way stop valves 10 and 13 and a lubricating oil opening 12, wherein a low-pressure oil path is sequentially connected with the reversing valve 6 and the work oil cylinder 7; the low-pressure oil path drives the work oil cylinder 7 to move; and a piston is arranged in the pressure boosting oil cylinder 9, and the piston and one end of the pressure boosting oil cylinder 9 form a high-pressure cavity. An inlet and an outlet are formed in the high-pressure cavity, the inlet is connected with the oil storage barrel 11 through the first one-way stop valve 13, and the outlet is connected with the lubricating oil opening 12 through the second one-way stop valve 10. The work oil cylinder 7 is connected with the piston of the pressure boosting oil cylinder 9, and the work oil cylinder 7 drives the piston to do reciprocating movement in the pressure boosting oil cylinder. According to the technical scheme, through adopting a hydraulic power assisted oil injection mode, hydraulic pressure of a low-pressure part of a hydraulic system of equipment can be directly used as a motive power source. Meanwhile, grease can be automatically added when grease is consumed, and the trouble of frequently injecting grease is reduced.
Description
Technical field
The invention belongs to machinery control field, relate to a kind of oil filling system, relate in particular to a kind of hydraulic power assisted automatic butter loading system and bulldozer.
Background technique
In engineering machinery field, as bulldozer must regularly give the secondary grease up of kinetic friction with reduction wearing and tearing, extension device life-span in the time working.Position must even every workday filling butter be to safeguard weekly for central pin, end pin and the lift cylinder jaw fixed base etc. of bulldozer equalizer bar, and the method labor intensity that traditional employing grease gun manually injects is larger, and rainy day filling is inconvenient.
In prior art, have and adopt the power source of special gear pump as automatic butter machine, but its cost is higher, can not automatically fill up butter, after injection cylinder has been noted butter, also cannot it be automatically reset by control switch simultaneously.Butter consumption, without prompting, needs user often to check voluntarily.
Summary of the invention
In view of this, the present invention is by hydraulic power assisted oiling mode, and directly the hydraulic coupling of the low-pressure section of borrowing apparatus hydraulic system, as power source, can be supplemented the butter of loss automatically, has reduced the trouble of frequent interpolation butter.
For achieving the above object, concrete technological scheme is as follows:
On the one hand, a kind of hydraulic power assisted automatic butter loading system is provided, be applicable to bulldozer, described bulldozer is provided with low pressure oil way, described automatic butter loading system comprises selector valve, operating cylinder, pressurizing cylinder, oil-storing barrel, two unidirectional stop valves, lubricated hydraulic fluid port, described low pressure oil way successively with described selector valve, operating cylinder is connected, described low pressure oil way drives described operating cylinder motion, in described pressurizing cylinder, be provided with piston, one end of described piston and described pressurizing cylinder forms hyperbaric chamber, described hyperbaric chamber is provided with an import and an outlet, import is connected with oil-storing barrel by unidirectional stop valve, outlet is connected an import and an outlet with lubricated hydraulic fluid port by unidirectional stop valve, import and export respectively and be connected with lubricated hydraulic fluid port with oil-storing barrel by two unidirectional stop valves, described operating cylinder is connected with the piston of described pressurizing cylinder, described operating cylinder drives described piston along to-and-fro motion in described pressurizing cylinder.
Preferably, described selector valve is solenoid directional control valve.
Preferably, in described operating cylinder, be provided with rod chamber and rodless cavity, described rod chamber is connected with the piston of described pressurizing cylinder, described solenoid directional control valve is provided with the first import, the first outlet, the second outlet and return opening, described the first import communicates with described low pressure oil way, described the first outlet communicates with described rodless cavity, and described the second outlet communicates with described rod chamber, and described return opening communicates with fuel tank.
Preferably, described the second outlet is connected with described rod chamber by adjustable throttle valve.
Preferably, also comprise control panel, described control panel is connected with described solenoid directional control valve, and described control panel is located in the operator cabin of described bulldozer.
Preferably, extremely hyperbaric chamber and described hyperbaric chamber the communicating to described lubricated hydraulic fluid port of described pressurizing cylinder of oil-storing barrel described in described unidirectional stop valve control.
Preferably, be also provided with reserves sensor on described oil-storing barrel, described reserves sensor is connected with warning device.
Preferably, described reserves sensor is weighing transducer, and described warning device is buzzer.
Preferably, the pilot control oil circuit that described low pressure oil way is described bulldozer.
On the other hand, provide a kind of bulldozer, comprise hydraulic power assisted automatic butter loading system described above.
With respect to prior art, the advantage of technological scheme of the present invention has:
1, the pressure oil that system is directly used the pilot control part of device hydraulic system is used as power source;
2, oil-storing barrel can automatically supplement the lubricant grease consuming after each oiling, need not frequently annotate;
3, copy the mode of manual oiling to carry out repeatedly a small amount of repairing lubricated, avoid injecting and too much cause waste, in addition, can the each oiling point of free adjustment and the oil injecting speed of whole system by controlling device;
4, when manual mode control, can realize the lubricated control of whole system by control panel button one key in control operator cabin, when increasing work efficiency, reduce labor intensity, and saved butter consumption;
5, be reduce amount of user effort, avoid user often forget filling butter bring bulldozer wear and aging time can select automatic control mode, butter filler whole process operates without user;
6, can warning reminding user add when in oil-storing barrel, lubricant grease is not enough.
Brief description of the drawings
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the operational process schematic diagram of the embodiment of the present invention.
Wherein, 1 for accumulator, 2 for filter element, 3 for relief valve, 4 for bi-bit bi-pass solenoid directional control valve, 5 for fuel tank, 6 for selector valve, 7 for operating cylinder, 8 for adjustable throttle valve, 9 for pressurizing cylinder, 10 be the second unidirectional stop valve, 11 for oil-storing barrel, 12 for lubricated hydraulic fluid port, 13 be the first unidirectional stop valve, 14 for weighing transducer, 15 for buzzer, 16,17,18 be adjustable pump nozzle.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment who obtains under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the present invention can combine mutually.
Below with reference to accompanying drawing, embodiments of the invention are done to concrete explaination.
A kind of hydraulic power assisted automatic butter loading system of embodiments of the invention, is applicable to bulldozer as shown in Figure 1, and bulldozer is provided with low pressure oil way, is preferably the pilot control oil circuit of bulldozer.Automatic butter loading system comprises selector valve 6, operating cylinder 7, pressurizing cylinder 9, oil-storing barrel 11, two unidirectional stop valves (10,13), lubricated hydraulic fluid port 12.
Low pressure oil way is connected with selector valve 6, operating cylinder 7 successively.Low pressure oil way drives operating cylinder 7 to move.In pressurizing cylinder 9, be provided with piston, one end of piston and pressurizing cylinder 9 forms hyperbaric chamber.Hyperbaric chamber is provided with two imports and an outlet, import and the first unidirectional stop valve 13 be connected, outlet is connected with the second unidirectional stop valve 10.Operating cylinder 7 is connected with the piston of pressurizing cylinder 9, operating cylinder 7 driven plunger motions.
Embodiments of the invention are by hydraulic power assisted oiling mode, and directly the hydraulic coupling of the low-pressure section of borrowing apparatus hydraulic system, as power source, can be supplemented the butter of loss automatically, has reduced the trouble of frequent interpolation butter.
As shown in Figure 1, in an embodiment of the present invention, selector valve 6 is solenoid directional control valve, and is preferably 3-position 4-way solenoid directional control valve.Lubricant grease is preferably butter.
In operating cylinder 7, be provided with rod chamber and rodless cavity, rod chamber is connected with the piston of pressurizing cylinder 9, and driven plunger to-and-fro motion in pressurizing cylinder 9.Solenoid directional control valve is provided with the first import, the first outlet, the second outlet and return opening.The first import communicates with low pressure oil way, and the first outlet communicates with rodless cavity, and the second outlet communicates with rod chamber, and return opening communicates with fuel tank 5, and preferably the second outlet is connected with rod chamber by adjustable throttle valve 8.
Two unidirectional stop valves (13,10) that are connected with pressurizing cylinder 9 comprise the first unidirectional stop valve 13 being connected with import and the second unidirectional stop valve 10 being connected with outlet, control hyperbaric chamber and hyperbaric chamber the communicating to lubricated hydraulic fluid port 12 of oil-storing barrel 11 to pressurizing cylinder 9.Lubricated 12 1 of hydraulic fluid ports are connected with the second unidirectional stop valve 10, other end respectively from adjustable pump nozzle (16,17,18) etc. enter different lubricant housings lubrication system be connected, the quantity of adjustable pump nozzle can be expanded according to demand, and the injection speed of each pump nozzle also can be set according to demand.
Also comprise control panel, control panel is connected with solenoid directional control valve, and control panel is located in the operator cabin of bulldozer, easy-to-operat personnel operation.
On oil-storing barrel 11, be also provided with reserves sensor, be preferably weighing transducer 14, reserves sensor and warning device, be preferably buzzer 15 and be connected.
As shown in figs. 1 and 2, in an embodiment of the present invention, P represents from hydraulic system of bulldozer high-pressure main oil path the low tension loop after reduction valve (or being the main oil supply loop of small flow pioneer pump), and CP represents to enter the oil circuit (as controlled the loops such as bulldozer perching knife lifting, decline or inclination) of other control system.In low pressure oil way, also comprise accumulator 1, filter element 2, bi-bit bi-pass solenoid directional control valve 4 and relief valve 3.After bulldozer starts, weighing transducer 14 first judges that whether the butter in oil-storing barrel 11 is enough, if can start buzzer 15 alarms when butter reserves are not enough.
By manually controlling under the mode of operation of selector valve, as shown in Figure 1, bi-bit bi-pass solenoid directional control valve 4 electric opening, fluid can metering-in control system CP in the middle of.When reversing valve operated 6 coil YV1 obtains when electric, the first import and the first outlet communicate, the rodless cavity oil-feed of operating cylinder 7, and the piston that promotes pressurizing cylinder 9 is to left-hand motion as shown in the figure.Now, the butter in pressurizing cylinder 9 hyperbaric chambers will be extruded and pass through the second unidirectional stop valve 10 and lubricated hydraulic fluid port 12, enter different lubrication systems.Oil filling amount and the oil injecting speed of adjustable pump nozzle 16,17,18 adjustable different lubrication systems, the oil injecting speed of adjusting adjustable throttle valve 8 adjustable whole injection systems.When reversing valve operated 6 YV2 obtains when electric, the rod chamber oil-feed of operating cylinder 7 pulls the piston of pressurizing cylinder 9 to move right.Now, the butter storing in oil-storing barrel 11 will be filled with in the middle of the hyperbaric chamber of pressurizing cylinder 9 automatically by the first unidirectional stop valve 13, to prepare lubrication oil supply next time.
Under the pattern of automatic control reversing valve, while starting bulldozer, the first instantaneous make delay that can link when putting START gear at key operation disconnects normally opened relay KT1 and carrys out control coil YV1 and obtain electricly, forces a butter of filling at every turn; When power-off, the flameout switch Q second instantaneous make delay that links disconnects normally opened relay KT2 and carrys out control coil YV2 and obtain electricly, supplements lubricated required butter next time.Can reduce like this amount of user effort, only need in the time that scarce butter is reported to the police, supplement appropriate butter, avoid user often to forget the bulldozer wear and aging that filling butter brings.
In an embodiment of the present invention, the pressure oil of embodiments of the invention borrowing apparatus hydraulic system low-pressure section is realized the control of whole lubrication system; Adopt pressurized cylinder filling butter; Hocket by adopting the structure of two unidirectional stop valves to realize the filling of butter and supplement; Each lubricating point is joined adjustable pump nozzle, the oil injecting speed of adjustable different parts and oil filling amount; Hand automatic mode is changeable; Monitoring butter storage level, can warning reminding user add butter when not enough.
In embodiments of the invention, also comprise a kind of bulldozer, be provided with hydraulic power assisted automatic butter loading system described above.Because above-mentioned hydraulic power assisted automatic butter loading system has above-mentioned technique effect, therefore, the bulldozer that is provided with this hydraulic power assisted automatic butter loading system also should possess corresponding technique effect, and its specific implementation process is similar to the above embodiments, does not hereby repeat.
Above specific embodiments of the invention be have been described in detail, but it is just as example, the present invention is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and alternative also all among category of the present invention.Therefore, equalization conversion and the amendment done without departing from the spirit and scope of the invention, all should contain within the scope of the invention.
Claims (10)
1. a hydraulic power assisted automatic butter loading system, be applicable to bulldozer, described bulldozer is provided with low pressure oil way, it is characterized in that, described automatic butter loading system comprises selector valve (6), operating cylinder (7), pressurizing cylinder (9), oil-storing barrel (11), two unidirectional stop valves (10, 13), lubricated hydraulic fluid port, described low pressure oil way successively with described selector valve (6), operating cylinder (7) is connected, described low pressure oil way drives described operating cylinder (7) motion, described pressurizing cylinder is provided with piston in (9), one end of described piston and described pressurizing cylinder (9) forms hyperbaric chamber, described hyperbaric chamber is provided with an import and an outlet, import is connected with oil-storing barrel 11 by the first unidirectional stop valve 13, outlet is connected with lubricated hydraulic fluid port 12 by the second unidirectional stop valve 10, described operating cylinder (7) is connected with the piston of described pressurizing cylinder (9), described operating cylinder (7) drives described piston along the interior to-and-fro motion of described pressurizing cylinder (9).
2. hydraulic power assisted automatic butter loading system as claimed in claim 1, is characterized in that, described selector valve (6) is solenoid directional control valve.
3. hydraulic power assisted automatic butter loading system as claimed in claim 2, it is characterized in that, described operating cylinder is provided with rod chamber and rodless cavity in (7), described rod chamber is connected with the piston of described pressurizing cylinder (9), described solenoid directional control valve is provided with the first import, the first outlet, the second outlet and return opening, described the first import communicates with described low pressure oil way, described the first outlet communicates with described rodless cavity, described the second outlet communicates with described rod chamber, and described return opening communicates with fuel tank (5).
4. hydraulic power assisted automatic butter loading system as claimed in claim 3, is characterized in that, described the second outlet is connected with described rod chamber by adjustable throttle valve (8), the oil injecting speed of adjustable whole injection system.
5. hydraulic power assisted automatic butter loading system as claimed in claim 4, is characterized in that, also comprises control panel, and described control panel is connected with described solenoid directional control valve, and described control panel is located in the operator cabin of described bulldozer.
6. hydraulic power assisted automatic butter loading system as claimed in claim 5, it is characterized in that, lubricated (12) one of hydraulic fluid ports are connected with the second unidirectional stop valve (10), other end respectively from adjustable pump nozzle (16,17,18) etc. enter different lubricant housings lubrication system be connected, the quantity of adjustable pump nozzle can be expanded according to demand, and the oil filling amount of each pump nozzle and oil injecting speed also can be set according to demand.
7. hydraulic power assisted automatic butter loading system as claimed in claim 6, is characterized in that, described oil-storing barrel is also provided with reserves sensor on (11), and described reserves sensor is connected with warning device.
8. hydraulic power assisted automatic butter loading system as claimed in claim 7, is characterized in that, described reserves sensor is weighing transducer (14), and described warning device is buzzer (15).
9. hydraulic power assisted automatic butter loading system as claimed in claim 8, is characterized in that, the pilot control oil circuit that described low pressure oil way is described bulldozer.
10. a bulldozer, is characterized in that, comprises the hydraulic power assisted automatic butter loading system as described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410254048.5A CN104006278A (en) | 2014-06-09 | 2014-06-09 | Hydraulic power assisted automatic grease injection system and bulldozer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410254048.5A CN104006278A (en) | 2014-06-09 | 2014-06-09 | Hydraulic power assisted automatic grease injection system and bulldozer |
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| CN104006278A true CN104006278A (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410254048.5A Pending CN104006278A (en) | 2014-06-09 | 2014-06-09 | Hydraulic power assisted automatic grease injection system and bulldozer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413234A (en) * | 2018-04-27 | 2018-08-17 | 天津开发区天水华源机电设备技术有限公司 | A kind of hydraulic pump lubricating arrangement with solenoid directional control valve |
| CN108458238A (en) * | 2018-04-27 | 2018-08-28 | 天津开发区天水华源机电设备技术有限公司 | A kind of hydrodynamic lubrication device |
| CN110043783A (en) * | 2019-04-18 | 2019-07-23 | 黑龙江大学 | It is pressurized controllable type oiling device and correction oil injection method |
| CN110081297A (en) * | 2019-05-28 | 2019-08-02 | 郑呈祥 | A kind of hydraulic automatic butter machine |
| CN110439047A (en) * | 2019-08-07 | 2019-11-12 | 徐州徐工筑路机械有限公司 | A kind of lubricating system and land leveller |
| CN114370593A (en) * | 2021-12-15 | 2022-04-19 | 中联重科土方机械有限公司 | Grease filling hydraulic system and engineering machinery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110043783A (en) * | 2019-04-18 | 2019-07-23 | 黑龙江大学 | It is pressurized controllable type oiling device and correction oil injection method |
| CN110043783B (en) * | 2019-04-18 | 2021-07-13 | 黑龙江大学 | Pressurization controllable oil injection device and method |
| CN110081297A (en) * | 2019-05-28 | 2019-08-02 | 郑呈祥 | A kind of hydraulic automatic butter machine |
| CN110439047A (en) * | 2019-08-07 | 2019-11-12 | 徐州徐工筑路机械有限公司 | A kind of lubricating system and land leveller |
| CN114370593A (en) * | 2021-12-15 | 2022-04-19 | 中联重科土方机械有限公司 | Grease filling hydraulic system and engineering machinery |
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Application publication date: 20140827 |