CN103362897A - Early warning protection device of travel motor as well as travel motor and travel machinery - Google Patents
Early warning protection device of travel motor as well as travel motor and travel machinery Download PDFInfo
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- CN103362897A CN103362897A CN2013102564466A CN201310256446A CN103362897A CN 103362897 A CN103362897 A CN 103362897A CN 2013102564466 A CN2013102564466 A CN 2013102564466A CN 201310256446 A CN201310256446 A CN 201310256446A CN 103362897 A CN103362897 A CN 103362897A
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Abstract
The invention relates to an early warning protection device of a travel motor as well as the travel motor and travel machinery. The early warning protection device comprises a pressure relief valve mounted at an oil outlet of the travel motor. An oil discharge assistance effect can be achieved when an oil discharge channel is blocked through the pressure relief valve; an oil inlet of the pressure relief valve is connected with the oil outlet of the travel motor; an oil outlet of the pressure relief valve is connected with an oil storage bottle capable of storing the oil discharge capacity; an early warning device is arranged on the oil storage bottle to give an alarm when the oil discharge capacity exceeds the standard; the pressure relief opening pressure value of the pressure relief valve is less than the predetermined value of an instantaneous pressure peak of a housing of the travel motor; the oil discharge capacity of the pressure relief valve can be displayed through the oil storage bottle; the oil discharge capacity can reflect whether the instantaneous pressure peak of the housing of the travel motor exceeds the standard or not, so that the alarm is given when the oil discharge capacity of the pressure relief valve is higher to remind a staff to repair the travel motor, and further the travel motor is prevented from being damaged.
Description
Technical field
The present invention relates to running mechanism, particularly a kind of early warning protector of running motor and have the running motor of this early warning protector and have the running mechanism of this running motor.
Background technique
The running motor of the running mechanisms such as present hydraulic shovel generally is installed on its running part, and by the walking of retarder drive running part, and the fuel tank of this running mechanism, main valve, the elements such as main pump generally are installed in the fuselage position of running mechanism, like this, the connected oil circuit of running motor is distant, when arranging oil hydraulic circuit to running motor, the drain tap of running motor is directly taken over the road oil sump tank, make drain line longer, if running mechanism is operated in low temp area, below subzero 20 degree, the motor hydraulic circulation is limited when walking for running mechanism, hydraulic fluid temperature is low near the running motor, viscosity is large, under the individual cases during motor starting temperature be lower than the solidifying point of fluid, can make the running motor unstable wear in this case, the housing of running motor can increase because drain line stops up pressure, can cause significant trouble when serious.
In addition, the running motor housing instantaneous pressure peak value situation that exceeds standard also might appear in running motor long-term use under home, and in the situation that the running motor housing instantaneous pressure peak value under the home is exceeded standard, cross force feed and can flow to oil sump tank by drain line, be not easy to be perceiveed; If just running motor housing instantaneous pressure peak value situation about exceeding standard once in a while can not cause too large damage to running motor, if the situation that running motor housing instantaneous pressure peak value exceeds standard frequently occurs, can cause very major break down to running motor; Cause this fault to be difficult under normal conditions find that in time motor itself damages during discovery, more serious situation may make the speed reducer that is attached thereto damage, and causes more major break down.
Therefore, exceeding standard for existing running motor housing instantaneous pressure peak value is not easy to be perceiveed, and causes the problem to running motor housing pressure superelevation, is that those skilled in the art need to be resolved hurrily.
Summary of the invention
In view of this, the present invention is intended to propose a kind of early warning protector of running motor, exceeds standard and is not easy to be perceiveed to solve existing running motor housing instantaneous pressure peak value, causes the problem to running motor housing pressure superelevation.
The present invention also provides a kind of running motor, and it is provided with above-mentioned early warning protector, can solve existing running motor housing instantaneous pressure peak value and exceed standard and be not easy to be perceiveed, and causes the problem to running motor housing pressure superelevation.
The invention provides a kind of running mechanism, running mechanism is provided with above-mentioned running motor, can solve existing running motor housing instantaneous pressure peak value and exceed standard and be not easy to be perceiveed, and causes the problem to running motor housing pressure superelevation.
On the one hand, the invention provides a kind of early warning protector of running motor, comprise the Decompression valves that is installed in the running motor drain tap;
The filler opening of described Decompression valves connects the drain tap of described running motor, and the oil outlet of described Decompression valves connects oil storage bottle;
Being provided with within it on the described oil storage bottle, fluid surpasses the prior-warning device of reporting to the police behind the prearranging quatity; Wherein,
The pressure release cracking pressure value of described Decompression valves is the predetermined value less than described running motor housing instantaneous pressure peak value.
Further, described Decompression valves is one-way valve; Wherein,
The filler opening of described one-way valve connects the drain tap of described running motor, and the oil outlet of described one-way valve connects oil storage bottle;
The cracking pressure value of described one-way valve is the predetermined value less than described running motor housing instantaneous pressure peak value.
Further, described one-way valve is the hydraulic control spring non-return valve.
Further, described prior-warning device comprises: oil measurement device and audible alarm unit; Wherein,
Described oil measurement device is installed on the described oil storage bottle, and measures the oil mass in the described oil storage bottle;
Described audible alarm unit is connected with described oil measurement device signal, and after the oil mass of described oil measurement measurement device surpassed predetermined value, described audible alarm unit was opened sound alarm.
Further, described oil storage bottle comprises the filler opening that is arranged on its bottom and the oil outlet that is higher than bottom filler opening predetermined altitude;
The oil outlet filler opening of described oil storage bottle filler opening connects prior-warning device; Wherein,
Described prior-warning device is the warning oil pipe that is connected to described oil storage bottle oil outlet.
Further, described oil storage bottle is provided with the external observation district for observation oil storage bottle inner fluid.
Further, described oil storage bottle is transparent plastic bottle.
The present invention also provides a kind of running motor, and described running motor is provided with above-mentioned early warning protector.
Further, described running motor is outside equipped with casing,
Described oil storage bottle is installed in the described casing;
The outlet of described early warning oil pipe is arranged on outside the described casing.
The present invention also provides a kind of running mechanism, and described running mechanism is provided with above-mentioned running motor.
Compared with prior art, beneficial effect of the present invention:
The embodiment of the invention provides a kind of early warning protector of running motor, comprises the Decompression valves that is installed in the running motor drain tap; Both can when the draining oil circuit stops up, play the effect of auxiliary oil drainage by Decompression valves, can also when running motor housing instantaneous pressure surpasses its peak value, play auxiliary oil drainage; The filler opening of Decompression valves connects the drain tap of described running motor, and the oil outlet of described Decompression valves connects oil storage bottle, can store the draining oil mass, is provided with prior-warning device on the oil storage bottle, reports to the police in the situation that the draining oil mass exceeds standard; The pressure release cracking pressure value of Decompression valves is the predetermined value less than described running motor housing instantaneous pressure peak value.Can show the oil mass that this Decompression valves is let out by oil storage bottle, and what of this oil mass can embody the situation that running motor housing instantaneous pressure peak value exceeds standard, and then in the more situation of Decompression valves draining, report to the police, remind the staff to the running motor on-call maintenance, prevent running motor housing pressure superelevation.
Unloading valve can be selected one-way valve, one-way valve simple in structure, easy for installation, and it is opened pressure value and is slightly less than running motor housing instantaneous pressure peak value; Regulate for the ease of the cracking pressure value to one-way valve, the embodiment of the invention is also preferably used spring non-return valve, by the elastic force of Regulation spring one-way valve, can make things convenient for the cracking pressure of Regulation spring one-way valve.
Description of drawings
Fig. 1 is the embodiment of the invention one concrete structural representation of using;
Fig. 2 is the structural principle schematic block diagram of the prior-warning device that oil storage bottle is installed in the embodiment of the invention two;
Fig. 3 is the structural principle schematic block diagram of the prior-warning device that oil storage bottle is installed in the embodiment of the invention three.
Description of reference numerals: 1, left running motor; 11, right running motor; 2, centre revolving joint; 3, one-way valve; 4, oil storage bottle; 41, filler opening; 42, oil outlet; 43, height measuring device; 44, audible alarm unit; 45, Weight-measuring device; 5, warning oil pipe; 6, left drain tap; 7, right drain tap.
Embodiment
In order to make those skilled in the art understand better technological scheme of the present invention, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.Should be pointed out that only be explanation to specific embodiment to the description of concrete structure and description order in this part, should not be considered as that protection scope of the present invention is had any restriction.
The main improvement of the embodiment of the invention is, on the basis of the hydraulic pipe line that keeps original running motor, drain tap at running motor connects a Decompression valves again, both can when the draining oil circuit stops up, play the effect of auxiliary oil drainage by Decompression valves, can also when running motor housing instantaneous pressure surpasses its peak value, play auxiliary oil drainage; The another one key point also is, the pressure release pressure of Decompression valves is for slightly being lower than running motor housing instantaneous pressure peak value, when Decompression valves is worked like this, the pressure of the running motor housing warning pressure of basically having arrived, and the Decompression valves oil outlet connects an oil storage bottle, be provided with prior-warning device on the oil storage bottle, can show the oil mass that this Decompression valves is let out by oil storage bottle, and then in the more situation of Decompression valves draining, report to the police, remind the staff to the running motor on-call maintenance, prevent that significant trouble from appearring in running motor.
Its concrete structure is; as shown in Figure 1; for this early warning protector is installed to hydraulic schematic diagram on the running motor; comprise left running motor 1 and right running motor 11 among the figure; about the action motor jointly drive centre revolving joint 2, wherein, this early warning protector can be installed in respectively on the right drain tap 7 of the left drain tap 6 of left running motor 1 and right running motor 11; its mounting structure basic simlarity, the structure that the below installs this early warning protector with left running motor 1 elaborates.
As shown in Figure 1, this running motor early warning protector comprises the one-way valve 3 on the left drain tap 7 that is installed in left running motor 1; The filler opening of one-way valve 3 connects the left drain tap 6 of left running motor 1, and the oil outlet of one-way valve 3 connects oil storage bottle 4; Be provided with prior-warning device on the oil storage bottle 4; And the cracking pressure value of one-way valve is the predetermined value less than left running motor 1 housing instantaneous pressure peak value.The pressure release oil circuit that this one-way valve connects is in parallel with the draining oil circuit of left running motor 1.
Wherein, left running motor 1 housing instantaneous pressure peak value is the instantaneous maximum pressure value that can bear of left running motor 1 housing.Embodiment of the invention preferred one-way valve 3, but be not limited to one-way valve 3, also can be that other have the adjustable Decompression valves of cracking pressure, when selecting other Decompression valvess, its pressure release cracking pressure is chosen as the predetermined value less than left running motor 1 housing instantaneous pressure peak value; Connect oil circuit and one-way valve 3 to be connected oil circuit similar, do not repeat them here.
One-way valve 3 is simple in structure, can be slightly less than left running motor 1 housing instantaneous pressure peak value by its cracking pressure is set, when the draining oil circuit stops up, and the early warning that can provide good draining protection and left running motor 1 housing pressure to exceed standard.
For the ease of regulating the cracking pressure of one-way valve, embodiment of the invention preferred one-way valve 3 is spring non-return valve.
In addition, as shown in Figure 1, oil storage bottle 4 among this embodiment one comprises that the filler opening 41 that is arranged on its bottom and the oil outlet 42 that is higher than bottom filler opening 41 predetermined altitudes (are to represent obviously among the figure, select top and bottom, can be not limited to top and bottom, as long as oil outlet 42 highly is higher than filler opening 41 highly); The oil outlet 42 of oil storage bottle filler opening 4 connects prior-warning device; Wherein, this prior-warning device is the warning oil pipe 5 that is connected to described oil storage bottle oil outlet 42.
Because running motor has the protection casing outward; so; warning oil pipe 5 can be drawn out to the left running motor 1 casing (not shown) outside; when the fluid in oil storage bottle 4 surpasses the height of oil outlet 42; fluid flows to warning oil pipe 5 by oil outlet 42, and warning oil pipe 5 flows to the casing outside of left running motor 1 with fluid, and the staff can in time find the running motor housing instantaneous pressure peak value situation that exceeds standard; and on-call maintenance, the working life of improving running motor.
In addition, in order directly to observe the fluid situation in the oil storage bottle 4, oil storage bottle 4 can also be provided with the external observation district for observation oil storage bottle 4 inner fluids.Can observe fast fluid amount in the oil storage bottle by the external observation district, and other on-call maintenance of prompting work.This structure can get final product by the local transparent district is set.Can also directly oil storage bottle 4 be set to transparent plastic bottle.
Certainly, select as another kind, the prior-warning device that the embodiment of the invention two and embodiment are three kinds can comprise: oil measurement device and audible alarm unit; The oil measurement device is installed on the described oil storage bottle 4, and measures the oil mass in the described oil storage bottle 4; Audible alarm unit is connected with oil measurement device signal, and after the oil mass of oil measurement measurement device surpassed predetermined value, audible alarm unit was opened sound alarm.
Be specially, as shown in Figure 2, among the embodiment two, the oil measurement device also can be arranged on the height measuring device 43 of measuring Height of oil on the oil storage bottle 4, by the setting measurement maximum value, after Height of oil in the oil storage bottle 4 of measuring surpassed predetermined altitude, height measuring device 43 was to audible alarm unit 44 transmitted signals, and audible alarm unit 44 is opened and reported to the police.
As shown in Figure 3, among the embodiment three, the oil measurement device can be arranged on the Weight-measuring device 45 of oil storage bottle 4 bottoms, by the setting measurement maximum value, after oil storage bottle 4 inner fluids of measuring surpass predetermined weight, Weight-measuring device 45 is to audible alarm unit 44 transmitted signals, and audible alarm unit 44 is opened and reported to the police.
Among embodiment two and the embodiment three, except a kind of structure of prior-warning device and embodiment was different, other structures were basic identical, do not repeat them here.
The embodiment of the invention also provides a kind of running motor, and this running motor is provided with above-mentioned early warning protector.
Preferably, running motor is outside equipped with the casing (not shown), states oil storage bottle 4 and is installed in the described casing; The outlet of early warning oil pipe 5 is arranged on outside the casing.
Because above-mentioned early warning protector has above-mentioned technique effect, therefore, the running motor that is provided with this early warning protector also should possess corresponding technique effect, and its specific implementation process is similar to the above embodiments, does not hereby give unnecessary details.
Present embodiment also provides a kind of running mechanism, and this running mechanism is provided with above-mentioned running motor.
Because above-mentioned running motor has above-mentioned technique effect, therefore, the running mechanism that is provided with this running motor also should possess corresponding technique effect, and its specific implementation process is similar to the above embodiments, does not hereby give unnecessary details.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the early warning protector of a running motor is characterized in that, comprises the Decompression valves that is installed in the running motor drain tap;
The filler opening of described Decompression valves connects the drain tap of described running motor, and the oil outlet of described Decompression valves connects oil storage bottle;
Being provided with within it on the described oil storage bottle, fluid surpasses the prior-warning device of reporting to the police behind the prearranging quatity; Wherein,
The pressure release cracking pressure value of described Decompression valves is the predetermined value less than described running motor housing instantaneous pressure peak value.
2. the early warning protector of running motor as claimed in claim 1, it is characterized in that: described Decompression valves is one-way valve (3); Wherein,
The filler opening of described one-way valve (3) connects the drain tap of described running motor, and the oil outlet of described one-way valve (3) connects oil storage bottle (4);
The cracking pressure value of described one-way valve (3) is the predetermined value less than described running motor housing instantaneous pressure peak value.
3. the early warning protector of running motor as claimed in claim 2, it is characterized in that: described one-way valve (3) is the hydraulic control spring non-return valve.
4. such as the early warning protector of each described running motor of claim 1-3, it is characterized in that: described prior-warning device comprises: oil measurement device and audible alarm unit; Wherein,
Described oil measurement device is installed on the described oil storage bottle (4), and measures the oil mass in the described oil storage bottle (4);
Described audible alarm unit is connected with described oil measurement device signal, and after the oil mass of described oil measurement measurement device surpassed predetermined value, described audible alarm unit was opened sound alarm.
5. such as the early warning protector of each described running motor of claim 1-3, it is characterized in that: described oil storage bottle (4) comprises the filler opening (41) that is arranged on its bottom and is higher than the oil outlet (42) of bottom filler opening (41) predetermined altitude;
The oil outlet (42) of described oil storage bottle (4) connects prior-warning device; Wherein,
Described prior-warning device is for being connected to the warning oil pipe (5) of described oil storage bottle oil outlet (42).
6. the early warning protector of running motor as claimed in claim 1 is characterized in that: described oil storage bottle (4) is provided with the external observation district for observation oil storage bottle (4) inner fluid.
7. the early warning protector of running motor as claimed in claim 1, it is characterized in that: described oil storage bottle (4) is transparent plastic bottle.
8. running motor, it is characterized in that: described running motor is provided with each described early warning protector such as claim 1-7.
9. running motor as claimed in claim 8, it is characterized in that: described running motor is outside equipped with casing,
Described oil storage bottle (4) is installed in the described casing;
The outlet of described early warning oil pipe (5) is arranged on outside the described casing.
10. running mechanism, it is characterized in that: described running mechanism is provided with each described running motor such as claim 8-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102564466A CN103362897A (en) | 2013-06-25 | 2013-06-25 | Early warning protection device of travel motor as well as travel motor and travel machinery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102564466A CN103362897A (en) | 2013-06-25 | 2013-06-25 | Early warning protection device of travel motor as well as travel motor and travel machinery |
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| CN103362897A true CN103362897A (en) | 2013-10-23 |
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| CN2013102564466A Pending CN103362897A (en) | 2013-06-25 | 2013-06-25 | Early warning protection device of travel motor as well as travel motor and travel machinery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104003306A (en) * | 2014-06-04 | 2014-08-27 | 徐工集团工程机械股份有限公司 | Hydraulic starting system, method and crane |
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| CN2931433Y (en) * | 2006-06-12 | 2007-08-08 | 上海三一科技有限公司 | Enclosed up-down hydraulic system |
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| CN201885862U (en) * | 2010-11-18 | 2011-06-29 | 李立 | Device for detecting leakage in single-acting oil cylinder |
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| CN102444159A (en) * | 2011-09-22 | 2012-05-09 | 三一重机有限公司 | Method for protecting travel motor in extremely cold area |
| CN202745109U (en) * | 2012-08-01 | 2013-02-20 | 龙工（上海）挖掘机制造有限公司 | Safety warning device for walking and rotating of hydraulic excavator |
| CN202789784U (en) * | 2012-08-09 | 2013-03-13 | 郑州新大方重工科技有限公司 | Hydraulic system with fine adjustment function |
| CN202808200U (en) * | 2012-09-27 | 2013-03-20 | 太原重工股份有限公司 | Winch and rotary table detachable hydraulic control device |
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|---|---|---|---|---|
| US5419130A (en) * | 1991-08-28 | 1995-05-30 | Hydromatik Gmbh | Hydrostatic machine with drain oil discharge |
| US6755018B2 (en) * | 2000-02-28 | 2004-06-29 | Ideachip Oy | Leakage oil return apparatus for a hydraulic motor |
| JP2001355611A (en) * | 2000-06-15 | 2001-12-26 | Nippon Sharyo Seizo Kaisha Ltd | Drain circuit for hydraulic motor |
| JP3898456B2 (en) * | 2001-03-19 | 2007-03-28 | 日立建機株式会社 | Construction machine traveling heat device |
| CN2931433Y (en) * | 2006-06-12 | 2007-08-08 | 上海三一科技有限公司 | Enclosed up-down hydraulic system |
| CN201568386U (en) * | 2009-05-21 | 2010-09-01 | 北京海纳创为液压***技术有限公司 | Wheeled vehicle hydraulic auxiliary driving system |
| CN201885862U (en) * | 2010-11-18 | 2011-06-29 | 李立 | Device for detecting leakage in single-acting oil cylinder |
| CN202175524U (en) * | 2011-07-28 | 2012-03-28 | 徐州重型机械有限公司 | Detachable hoisting device and hoist |
| CN102444159A (en) * | 2011-09-22 | 2012-05-09 | 三一重机有限公司 | Method for protecting travel motor in extremely cold area |
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| CN202789784U (en) * | 2012-08-09 | 2013-03-13 | 郑州新大方重工科技有限公司 | Hydraulic system with fine adjustment function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104003306A (en) * | 2014-06-04 | 2014-08-27 | 徐工集团工程机械股份有限公司 | Hydraulic starting system, method and crane |
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Application publication date: 20131023 |