CN102874333B - Engineering machine, crawler tightening device and automatic oil injection system thereof - Google Patents
Engineering machine, crawler tightening device and automatic oil injection system thereof Download PDFInfo
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- CN102874333B CN102874333B CN201210332311.9A CN201210332311A CN102874333B CN 102874333 B CN102874333 B CN 102874333B CN 201210332311 A CN201210332311 A CN 201210332311A CN 102874333 B CN102874333 B CN 102874333B
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Abstract
The invention discloses an engineering machine, a crawler tightening device and an automatic oil injection system of the crawler tightening device, wherein the automatic oil injection system for the crawler tightening device comprises a first pressure acquiring unit, a controller and a pump, wherein the first pressure acquiring unit is arranged on an oil cylinder in the crawler tightening device and used for acquiring a first pressure value inside the oil cylinder; the signal input end of the controller is connected with the first pressure acquiring unit and used for receiving the first pressure value; an oil outlet of the pump is communicated with the oil cylinder in the crawler tightening device; the control end of the pump is connected with the signal output end of the controller; the pump is used for receiving the pump on-off signal which is determined according to the first pressure value and emitted from the signal output end, and is opened or closed according to the pump on-off signal. According to the practical pressure value inside the oil cylinder, lubricating grease is injected to the oil cylinder, so that the problems of the interference wear between the crawler and the lower car frame and the derailing of the crawler as the lubricating grease is not timely injected and the like can be avoided.
Description
Technical field
The present invention relates to engineering machinery field, particularly a kind of construction machinery and equipment, track takeup and auto Oil-filling System Using thereof.
Background technology
At present, be generally provided with track takeup in cterpillar drive, the structure of track takeup is general as shown in Figure 1, comprises guide wheel 2, guide wheel installing mechanism 3, oil cylinder 4 and fuel feeding valve assembly 5.Wherein, guide wheel 2 is installed in the chute 31 on guide wheel installing mechanism 3.The piston rod 41 of oil cylinder 4 is connected with guide wheel 2, by fuel feeding valve assembly 5 to grease up in oil cylinder 4, piston rod 41 is stretched out, and drives guide wheel 2 along chute 31 forward slip, with tensioned tracks 1.But this tensioning mode is adopted manually to grease up in oil cylinder by grease compressor grease, as annotated not in time, can slack of track be caused, and then produce crawler belt and the fault such as lower vehicle frame interference wear or derailed crawler belt.
Summary of the invention
In view of this, the present invention proposes a kind of construction machinery and equipment, track takeup and auto Oil-filling System Using thereof, to solve in existing manual dosing method, the problem of the crawler belt caused not in time due to hydraulic oil or oil addition and lower vehicle frame interference wear or derailed crawler belt.
An aspect, the invention provides a kind of auto Oil-filling System Using, and for track takeup, this auto Oil-filling System Using comprises: the first pressure acquiring unit, is installed on the oil cylinder in track takeup, for obtaining in-oil cylinder first force value; Controller, its signal input part is connected with the first pressure acquiring unit, for receiving the first force value; Pump, its oil outlet is connected with the oil cylinder in track takeup, the control end of pump is connected with the signal output part of controller, and pump is used for the pump start stop signal determined according to the first force value that Received signal strength mouth sends, and opens or closes according to pump start stop signal.
Further, in above-mentioned auto Oil-filling System Using, the condition that pump is opened is: the first force value is lower than the first preset value; The condition that pump cuts out is: the first force value equals the first preset value.
Further, above-mentioned auto Oil-filling System Using also comprises: the first alarm unit, is connected with controller, in the first setting-up time, sends alerting signal when the number of starts of pump is greater than limit value.
Further, in above-mentioned auto Oil-filling System Using, between the pump in track takeup and oil cylinder, be connected with filter; Auto Oil-filling System Using also comprises: the second pressure acquiring unit, is installed on the connecting pipeline of filter and oil cylinder, for obtaining the second force value in connecting pipeline; Controller is also connected with the second pressure acquiring unit, for receiving the second force value; Second alarm unit, is connected with controller, for sending alerting signal in the second force value higher than during the second preset value.
Further, above-mentioned auto Oil-filling System Using also comprises: the 3rd alarm unit, is connected with controller, and for after pump startup, the second force value continues to send alerting signal lower than during the second preset value in the second setting-up time.
Further, in above-mentioned auto Oil-filling System Using, pump is oil pump or grease pump.
Further, in above-mentioned auto Oil-filling System Using, pump is oil pump; Further, auto Oil-filling System Using also comprises: level sensor, is installed in the fuel tank placing oil pump, for detecting the level value in fuel tank; Controller is also connected with level sensor, for receiving liquid place value, and sends alerting signal at level value lower than during the 3rd preset value.
Further, in above-mentioned auto Oil-filling System Using, pump is grease pump; Auto Oil-filling System Using also comprises: level sensor, is installed in grease pump, for detecting the grease level value in grease pump; Controller is also connected with level sensor, for receiving liquid place value, and sends alerting signal at level value lower than during the 3rd preset value.
On the other hand, present invention also offers a kind of track takeup, be provided with any one auto Oil-filling System Using above-mentioned.
Another aspect, present invention also offers a kind of construction machinery and equipment, is provided with above-mentioned track takeup.
Further, described construction machinery and equipment is excavating machine.
The present invention is according to in-oil cylinder actual pressure value, grease is injected in trend oil cylinder, inject compared with grease manually with of the prior art, automatic oiling mode of the present invention can make the timely tensioning of crawler belt, avoids the crawler belt because grease up causes not in time and the problem such as lower vehicle frame interference wear or derailed crawler belt.
Accompanying drawing explanation
The accompanying drawing forming 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, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the scheme of installation of track takeup and crawler belt in correlation technique;
Fig. 2 is in auto Oil-filling System Using embodiment of the present invention, the scheme of installation of the first pressure acquiring unit;
Fig. 3 is the structured flowchart of auto Oil-filling System Using embodiment of the present invention;
Fig. 4 is the first structured flowchart of auto Oil-filling System Using embodiment of the present invention;
Fig. 5 is the second structured flowchart of auto Oil-filling System Using embodiment of the present invention;
Fig. 6 is the 3rd structured flowchart of auto Oil-filling System Using embodiment of the present invention;
Fig. 7 is the 4th structured flowchart of auto Oil-filling System Using embodiment of the present invention.
Description of reference numerals:
1 crawler belt
2 guide wheels
3 guide wheel installing mechanisms
31 chutes
4 oil cylinders
41 piston rods
5 fuel feeding valve assemblies
6 first pressure acquiring unit
7 controllers
8 pumps
9 level sensors
10 filters
11 second pressure acquiring unit
12 first alarm units
13 second alarm units
14 the 3rd alarm units
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
See Fig. 2 to Fig. 3, there is shown the preferred embodiment of auto Oil-filling System Using of the present invention, this system can according to the tensioning degree of crawler belt, servicing fluids force feed or grease in trend track takeup.As shown in the figure, this embodiment at least comprises the first pressure acquiring unit 6, controller 7 and pump 8.
It should be noted that: the type of pump 8 is decided by the media type in oil cylinder in Caterpillar belt tightening device 4.When the medium in oil cylinder 4 is grease, pump 8 corresponding selection grease pump; When the medium in oil cylinder 4 is hydraulic oil, pump 8 corresponding selection oil pump.The present embodiment is described for grease pump.
In the present embodiment, the first pressure acquiring unit 6 is arranged on the oil cylinder 4 in track takeup, for obtaining the first force value in oil cylinder 4; The signal input part of controller 7 is connected with the first pressure acquiring unit 6, for receiving described first force value; The signal output part of controller 7 is for sending the grease pump start stop signal determined according to this first force value; The oil outlet of grease pump 8 is connected with the oil cylinder 4 in track takeup, and the control end of grease pump 8 is connected with the signal output part of controller 7, and grease pump 8 for receiving above-mentioned start stop signal, and opens or closes according to the start stop signal received.The condition that grease pump 8 is opened is: the first force value is less than the first preset value; The condition that grease pump 8 is closed is: the first force value equals the first preset value.
During concrete enforcement, the first pressure acquiring unit 6 can selection pressure sensor, and the cylinder body of oil cylinder 4 is arranged pressure measurement interface, pressure sensor is installed in pressure measurement interface.
Generally speaking, the grease pump 8 in track takeup and be also connected with filter 10 and fuel feeding valve assembly 5 between oil cylinder 4.The grease that grease pump 8 provides after filter 10 filters, then is injected in oil cylinder 4 by fuel feeding valve assembly 5.
Can find out, the first pressure acquiring unit 6, controller 7, grease pump 8 and oil cylinder 4 in the present embodiment form close loop control circuit.First pressure acquiring unit 6 by the grease pressure Real-time Feedback of oil cylinder 4 inside to controller 7.When the pressure that the first pressure acquiring unit 6 feeds back to is less than the first setting value, controller 7 sends signal, controls grease pump 8 and starts fuel feeding.The grease that grease pump 8 provides, after filter 10 filters, is filled into oil cylinder 4 by fuel feeding valve assembly 5 again inner, its internal pressure is raised; When pressure brings up to the first preset value, pressure signal is fed back to controller 7 by pressure sensor 1, and controller 7 controls grease pump 8 stop control lever.
The present embodiment is according to in-oil cylinder actual pressure value, grease is injected in trend oil cylinder, inject compared with grease manually with of the prior art, the present embodiment can make the timely tensioning of crawler belt, avoids the crawler belt because grease up causes not in time and the problem such as lower vehicle frame interference wear or derailed crawler belt.
Preferably, see Fig. 4, the present embodiment can also comprise the first alarm unit 12, is connected with controller 7, in the first setting-up time, sends alerting signal when the number of starts of grease pump 8 is greater than limit value.Wherein, limit value can be determined according to actual conditions.
In the first setting-up time, when the pressure signal number of times lower than the first preset value of the first pressure acquiring unit 6 feedback is more than limit value, when making grease pump 8 frequent starting, control first alarm unit 12 is sent alerting signal by controller 7, to point out staff's track takeup generation oil leakage fault.
Preferably, see Fig. 5, can also be further improved the various embodiments described above, set up the second pressure acquiring unit 11 and the second alarm unit 13.Second pressure acquiring unit 11 is installed on the connecting pipeline between filter 10 and oil cylinder 4, for obtaining the second force value in this connecting pipeline.Controller 7 is connected with the second pressure acquiring unit 11, for receiving described second force value, and sends alarm message higher than during the second preset value by the second alarm unit 13 in described second force value.
Further preferably, see Fig. 6, the various embodiments described above also comprise the 3rd and report to the police single 14, are connected with controller 7, and for after grease pump 8 starts, described second force value continues to send alarm message lower than during the second preset value in the second Preset Time.
During concrete enforcement, the second pressure acquiring unit 11 also can selection pressure sensor.
After grease pump 8 starts, the pressure that second pressure acquiring unit 11 records can raise always, and when higher than setting value, controller 7 controls the alerting signal that the second alarm unit 13 sends system jams, now, on the charging line of position after filter 10 that blocking occurs or track takeup.After grease pump 8 starts, if the pressure that the second pressure acquiring unit 11 records is still unchanged after setting-up time, controller 7 controls the alerting signal that the 3rd alarm unit sends system jams, now, on the connecting pipeline of position between grease pump 8 to filter 10 that blocking occurs or filter 10 itself.
Preferably, see Fig. 7, in the various embodiments described above, level sensor 9 can also be set up.Level sensor 9 is arranged in grease pump 8, for detecting the level value in grease pump.Controller 7 is also connected with level sensor 9, for receiving described level value, and sends alarm message at described level value lower than during the 3rd preset value, to point out staff to grease up in fuel tank.
It should be noted that, if pump 8 is oil pump, then level sensor 9 is arranged in the fuel tank placing this oil pump, and level sensor is for detecting the level value in fuel tank.
By above each embodiment, can find out, the present invention can add lubricating oil according to the tensioning degree of crawler belt in trend tensioning hydro-cylinder, compared with existing manual dosing method, present invention, avoiding due to the filling crawler belt caused and the problem such as lower vehicle frame interference wear or derailed crawler belt not in time; Meanwhile, present invention also reduces the upkeep operation intensity of operating personal, hommization more.
Present invention also offers a kind of track takeup, this track takeup is provided with auto Oil-filling System Using.Wherein, the specific implementation process of auto Oil-filling System Using illustrates with reference to above-mentioned, and the present invention does not repeat them here.
Because auto Oil-filling System Using has above-mentioned effect, so the track takeup with this auto Oil-filling System Using also has corresponding technique effect.
Present invention also offers a kind of construction machinery and equipment, such as excavating machine, this project is mechanically provided with track takeup.Wherein, the specific implementation process of track takeup illustrates with reference to above-mentioned, and the present invention does not repeat them here.
Because auto Oil-filling System Using has above-mentioned effect, so the construction machinery and equipment with this auto Oil-filling System Using also has corresponding technique effect.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. an auto Oil-filling System Using, for track takeup, is characterized in that, comprising:
First pressure acquiring unit (6), is installed on the oil cylinder (4) in described track takeup, for obtaining the first force value in described oil cylinder (4);
Controller (7), its signal input part is connected with described first pressure acquiring unit (6), for receiving described first force value;
Pump (8), its oil outlet is connected with the oil cylinder (4) in described track takeup, the control end of described pump (8) is connected with the signal output part of described controller (7), the pump start stop signal determined according to described first force value that described pump (8) sends for receiving described signal output part, and open or close according to described pump start stop signal.
2. auto Oil-filling System Using according to claim 1, is characterized in that,
The condition that described pump (8) is opened is: described first force value is lower than the first preset value;
The condition that described pump (8) cuts out is: described first force value equals the first preset value.
3. auto Oil-filling System Using according to claim 2, is characterized in that, also comprises:
First alarm unit, is connected with described controller (7), in the first setting-up time, sends alerting signal when the number of starts of described pump (8) is greater than limit value.
4. auto Oil-filling System Using according to claim 1, is characterized in that,
Filter (10) is connected with between pump (8) in described track takeup and oil cylinder (4);
Described auto Oil-filling System Using also comprises:
Second pressure acquiring unit (11), is installed on the connecting pipeline of described filter (10) and described oil cylinder (4), for obtaining the second force value in described connecting pipeline;
Described controller (7) is also connected with described second pressure acquiring unit (11), for receiving described second force value;
Second alarm unit, is connected with described controller (7), for sending alerting signal in described second force value higher than during the second preset value.
5. auto Oil-filling System Using according to claim 4, is characterized in that, also comprises:
3rd alarm unit, is connected with described controller (7), and for after described pump (8) starts, described second force value continues to send alerting signal lower than during the second preset value in the second setting-up time.
6. auto Oil-filling System Using according to any one of claim 1 to 5, is characterized in that, described pump (8) is oil pump or grease pump.
7. auto Oil-filling System Using according to any one of claim 1 to 5, is characterized in that, described pump (8) is oil pump; Further,
Described auto Oil-filling System Using also comprises: level sensor (9), is installed in the fuel tank placing described oil pump, for detecting the level value in described fuel tank;
Described controller (7) is also connected with described level sensor (9), for receiving described level value, and sends alerting signal at described level value lower than during the 3rd preset value.
8. auto Oil-filling System Using according to any one of claim 1 to 5, is characterized in that, described pump (8) is grease pump;
Described auto Oil-filling System Using also comprises: level sensor (9), is installed in described grease pump, for detecting the grease level value in described grease pump;
Described controller (7) is also connected with described level sensor (9), for receiving described level value, and sends alerting signal at described level value lower than during the 3rd preset value.
9. a track takeup, is characterized in that, is provided with the auto Oil-filling System Using according to any one of claim 1 to 8.
10. a construction machinery and equipment, is characterized in that, is provided with track takeup according to claim 9.
11. construction machinery and equipments according to claim 10, is characterized in that, described construction machinery and equipment is excavating machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210332311.9A CN102874333B (en) | 2012-09-10 | 2012-09-10 | Engineering machine, crawler tightening device and automatic oil injection system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210332311.9A CN102874333B (en) | 2012-09-10 | 2012-09-10 | Engineering machine, crawler tightening device and automatic oil injection system thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102874333A CN102874333A (en) | 2013-01-16 |
| CN102874333B true CN102874333B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210332311.9A Expired - Fee Related CN102874333B (en) | 2012-09-10 | 2012-09-10 | Engineering machine, crawler tightening device and automatic oil injection system thereof |
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| Country | Link |
|---|---|
| CN (1) | CN102874333B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267550B (en) * | 2013-05-08 | 2015-06-10 | 三一重机有限公司 | Fuel consumption testing device for excavators |
| CN111665876A (en) * | 2019-03-07 | 2020-09-15 | 隆基绿能科技股份有限公司 | Method and device for processing furnace pressure abnormity and storage medium |
| CN111017059B (en) * | 2019-12-19 | 2021-06-22 | 三一重机有限公司 | Wheel body internal pressure control system, engineering machinery and control method |
| CN111947728A (en) * | 2020-08-21 | 2020-11-17 | 三一重机有限公司 | Oil quantity detection system and method |
| CN113635985B (en) * | 2021-10-13 | 2022-02-15 | 徐州徐工挖掘机械有限公司 | Tensioning device and mechanical equipment |
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|---|---|---|---|---|
| SU1316903A1 (en) * | 1986-01-17 | 1987-06-15 | Предприятие П/Я Г-4781 | Device for tightening vehicle crawler |
| CN1119846A (en) * | 1993-03-26 | 1996-04-03 | 克虏伯工业技术有限公司 | Hydraulic track tensioner for tensioning tracks of tracked gears |
| CN2471676Y (en) * | 2001-01-19 | 2002-01-16 | 山推工程机械股份有限公司 | Automatic expander for bulldozer caterpillar |
| CN1890503A (en) * | 2003-12-11 | 2007-01-03 | 杰富意钢铁株式会社 | Lubricant supply state monitoring sensor and device |
| CN200996556Y (en) * | 2007-01-08 | 2007-12-26 | 王安泰 | Automatic oil-supplying explosion protecter of boring overhead oil tank |
| CN201620339U (en) * | 2010-03-02 | 2010-11-03 | 陕西中大机械集团有限责任公司 | Crawler expanding mechanism of multifunctional spreading machine |
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2012
- 2012-09-10 CN CN201210332311.9A patent/CN102874333B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1316903A1 (en) * | 1986-01-17 | 1987-06-15 | Предприятие П/Я Г-4781 | Device for tightening vehicle crawler |
| CN1119846A (en) * | 1993-03-26 | 1996-04-03 | 克虏伯工业技术有限公司 | Hydraulic track tensioner for tensioning tracks of tracked gears |
| CN2471676Y (en) * | 2001-01-19 | 2002-01-16 | 山推工程机械股份有限公司 | Automatic expander for bulldozer caterpillar |
| CN1890503A (en) * | 2003-12-11 | 2007-01-03 | 杰富意钢铁株式会社 | Lubricant supply state monitoring sensor and device |
| CN200996556Y (en) * | 2007-01-08 | 2007-12-26 | 王安泰 | Automatic oil-supplying explosion protecter of boring overhead oil tank |
| CN201620339U (en) * | 2010-03-02 | 2010-11-03 | 陕西中大机械集团有限责任公司 | Crawler expanding mechanism of multifunctional spreading machine |
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| CN102874333A (en) | 2013-01-16 |
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