CN102734623A - Automatic lubrication system and engineering machinery - Google Patents
Automatic lubrication system and engineering machinery Download PDFInfo
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- CN102734623A CN102734623A CN2012102110257A CN201210211025A CN102734623A CN 102734623 A CN102734623 A CN 102734623A CN 2012102110257 A CN2012102110257 A CN 2012102110257A CN 201210211025 A CN201210211025 A CN 201210211025A CN 102734623 A CN102734623 A CN 102734623A
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- lubricant pump
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Abstract
The invention provides an automatic lubrication system and engineering machinery. The automatic lubrication system comprises a plunger piston pump and a reversing valve, wherein the reversing valve comprises an oil supply port and an oil inlet connected with an oil inlet pipe of a hydraulic driving system; the oil supply port is connected with the plunger piston pump and used for changing one-way hydraulic oil in the oil inlet pipe of the hydraulic driving system into two-way hydraulic oil and driving the plunger piston pump to work; and the plunger piston pump comprises an oil outlet connected with a lubrication pipeline. A hydraulic valve group for adjusting oil pressure and flow is not required to be additionally arranged, so that purchasing cost and manufacturing cost are reduced, and the reliability of the lubrication system is improved.
Description
Technical field
The present invention relates to the automatic lubricating system field, be specifically related to a kind of automatic lubricating system and engineering machinery.
Background technique
Development machine is mainly used in the excavation of mine working and engineering tunnel.Its working environment is very abominable, and high humidity, dust content is high, the maintaining difficulty is big.Traditional development machine lubricating maintenance method is the lubricating system that disperses separately, promptly adds lubricating grease with the fat rifle to lubricating point by manual regular and is lubricated.This lubricating system, working strength of workers make that greatly lubrication interval and lubricating quality are difficult to guarantee.Along with the continuous development of development machine technology, the reliability of development machine parts and complete machine obtains greatly to improve.At present, the development machine fault mainly causes owing to insufficient lubrication.For these reasons, unheeded always lubrication problem is paid attention to by people gradually.The conventional artificial lubricating method can not practical requirement; The application of automatic centralized lubrication system has improved the reliability of development machine lubrication system, and existing automatic centralized lubrication system generally adopts the drive unit of oil hydraulic motor formula automatic lubricant pump as lubricating grease.
Yet the motor type automatic lubricant pump is higher to the pressure, the traffic requirement that drive hydraulic oil in the existing automatic centralized lubrication system, and the oil hydraulic motor rate of fault is higher, and unstable properties; In addition, the complete machine hydraulic system is required to be lubrication system and is equipped with lubricated valve group, is used to regulate the flow and the pressure of hydraulic oil, causes cost to increase.
Summary of the invention
In order to overcome the above-mentioned defective and the deficiency of existing technology, first purpose of the present invention is to provide a kind of low cost and the high automatic lubricating system of stability, comprising: plunger type lubricant pump and selector valve; Said selector valve comprises: the filler opening that oil-feed port and being used for is connected with the hydraulic driving system oil inlet pipe; Said oil-feed port is connected with said plunger type lubricant pump, is used for the unidirectional hydraulic oil of said hydraulic driving system oil inlet pipe is become the work of the said plunger type lubricant pump of bidirectional hydraulic oil driving; Said plunger type lubricant pump comprises and is used for the oil outlet that is connected with lubricating pipe.
Further, said automatic lubricating system also comprises: be used to regulate the pressure regulator valve of said oil outlet oil pressure, said pressure regulator valve is arranged on the said plunger type lubricant pump; Or/and
Said automatic lubricating system also comprises: be used to detect the pressure gauge of said plunger type lubricant pump working pressure, said pressure gauge is arranged on the said plunger type lubricant pump.
Further, said oil outlet, pressure regulator valve and pressure gauge all are arranged on the afflux piece of said plunger type lubricant pump.
Further, described automatic lubricating system also comprises: the lubricant pump cover is provided with said plunger type lubricant pump and said selector valve in the said lubricant pump cover.
Further, said lubricant pump cover is provided with and is used for first interface that is connected with said lubricating pipe, and said first interface is connected with said oil outlet; And/or
Said lubricant pump cover is provided with and is used for second interface that is connected with said hydraulic driving system oil inlet pipe, and said second interface is connected with the filler opening of said selector valve; And/or
Said lubricant pump cover is provided with and is used for the 3rd interface that is connected with the hydraulic oil-returning pipe, and said the 3rd interface is connected with the return opening of said selector valve; And/or
Said lubricant pump cover is provided with and is used for the 4th interface that is connected with the selector valve guide line, and said the 4th interface is connected with the control mouth of said selector valve.
Further, said plunger type lubricant pump is a twin-tub double-plunger symplex structure; And/or said selector valve is a solenoid directional control valve.
In order to overcome the above-mentioned defective and the deficiency of existing technology, second purpose of the present invention is to provide a kind of low cost and the high engineering machinery of stability, is provided with above-mentioned any automatic lubricating system.
Further, said engineering machinery is a development machine.
Further, said development machine comprises: being used for through said hydraulic driving system oil inlet pipe is the hydraulic system that said selector valve provides hydraulic oil.
Further, said selector valve is a solenoid directional control valve, and said development machine comprises: the electrical system that is used to control said selector valve commutating frequency.
Automatic lubricating system of the present invention adopts the plunger type lubricant pump of hydraulic power; And be the selector valve that this plunger type lubricant pump provides bidirectional hydraulic oil power, can realize that unidirectional hydraulic oil inserts, selector valve switching-over drive plunger formula lubricant pump pumping grease; Need not the extra hydraulic valve bank that is provided for regulating oil pressure and flow; Reduced buying, manufacture cost, plunger type lubricant pump stable performance simultaneously helps to promote the reliability of lubrication system.
Description of drawings
Fig. 1 is first schematic representation of the example structure of automatic lubricating system of the present invention;
Fig. 2 is second schematic representation of structure shown in Figure 1.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technological scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiments.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Fig. 1 and Fig. 2 are two schematic representation of the example structure of automatic lubricating system of the present invention, and the two is to show from two positive and negative two visual angles, and even Fig. 1 is interpreted as positive visual angle, and Fig. 2 is visual angle, the back side.Like Fig. 1 and shown in Figure 2, automatic lubricating system embodiment of the present invention comprises: plunger type lubricant pump 2 and selector valve 7; Wherein, selector valve 7 comprises filler opening and oil-feed port; Filler opening is used for being connected with hydraulic driving system oil inlet pipe 10; Oil-feed port is connected with plunger type lubricant pump 2, is used for the unidirectional hydraulic oil of hydraulic driving system oil inlet pipe 10 is become 2 work of bidirectional hydraulic oil drive plunger formula lubricant pump; Plunger type lubricant pump 2 comprises oil outlet 6, and oil outlet is used for being connected with lubricating pipe 8, carries lubricant grease through lubricating pipe 8.During specific operation, selector valve 7 can be various selector valves such as solenoid directional control valve or hydraulicdirectional control valve.
Because 2 pairs of plunger type lubricant pumps drive oil pressure, traffic requirement is wide in range; Directly piston or the plunger to-and-fro motion that the uniaxial pressure oil in the hydraulic driving system oil inlet pipe 10 becomes in the bidirectional hydraulic oil drive plunger formula lubricant pump 2 got final product to realize pump oil through selector valve 7; Than the existing lubrication system that adopts drive units such as motor; Need not the extra hydraulic valve bank that is provided for regulating oil pressure and flow, reduced buying, manufacture cost; Simultaneously, 2 stable performances of plunger type lubricant pump help to promote the reliability of lubrication system; In addition; Uniaxial pressure oil in the hydraulic driving system oil inlet pipe 10 can be the hydraulic system output hydraulic oil of complete machine (like development machine); This moment, plunger type lubricant pump 2 direct hydraulic oil by hydraulic system drove, and can realize that automatic lubricating system and complete machine work are synchronous.
It is understandable that, in the present embodiment, can adjust the reciprocating frequency of plunger in the plunger type lubricant pump 2, the i.e. frequency of okperation of plunger type lubricant pump 2 (pump oil frequency) through the frequency of okperation (switching frequency promptly commutates) of regulating selector valve 7; Particularly, if control selector valve 7 commutates continuously, can realize plunger type lubricant pump 2 continuous pump oil, and then realize continuous lubrication; If control selector valve 7 is interrupted switching-over, can realizes that plunger type lubricant pump 2 is interrupted pump oil, and then realize being interrupted lubricated; If control selector valve 7 timing reversings can be realized regularly pump oil of plunger type lubricant pump 2, and then realize timed lubrication.Wherein, when selector valve 7 was solenoid directional control valve, its frequency of okperation can be controlled through the electrical system of complete machine and realize, to realize the concertedness of complete machine work.
During specific operation, above-mentioned plunger type lubricant pump 2 can be various plunger type lubricant pumps such as single cylinder plunger type lubricant pump, twin-tub double-plunger lubricant pump or multi-cylinder plunger type lubricant pump.
Preferably, in order to adjust the working pressure of the lubricant oil that automatic lubricating system pumps easily according to demand, above-mentioned automatic lubricating system also comprises: be used to adjust the pressure regulator valve 5 of hydraulic fluid port 6 oil pressure, pressure regulator valve 5 is arranged on the plunger type lubricant pump 2.
Preferably, in order to observe the working pressure of automatic lubricating system easily, above-mentioned automatic lubricating system also comprises the pressure gauge 3 that is used to detect plunger type lubricant pump 2 working pressures, and pressure gauge 3 is arranged on the plunger type lubricant pump 2.
As shown in Figure 1; During specific operation, oil outlet 6, pressure regulator valve 5 and pressure gauge 3 can be arranged on the afflux piece 4 of plunger type lubricant pump 2, and the afflux piece 4 here also is appreciated that the hydraulic pressure assembly into plunger type lubricant pump 2; Conventional components in the existing various plunger type lubricant pumps repeats no more at this.
Preferably, in order to protect plunger type lubricant pump 2 parts such as grade, automatic lubricating system also comprises: lubricant pump cover 1.More preferably; Can be provided with plunger type lubricant pump 2 and selector valve 7 in the lubricant pump cover 1; Certainly can also be provided with pressure gauge 3 and pressure regulator valve 5; Each parts that is automatic lubricating system adopt integrated form, are integrated in the lubricant pump cover 1, with assembling, adjusting and the pipeline connection etc. that make things convenient for automatic lubricating system.It is understandable that automatic lubricating system also can not adopt integrated structure, also can be installed on other places of system, guarantee that selector valve 7 can make unidirectional hydraulic oil become bidirectional hydraulic oil drive plunger formula lubricant pump 2 proper functioning and get final product like selector valve 7.
More preferably, lubricant pump cover 1 is provided with and is used for first interface that is connected with lubricating pipe 8, and first interface is connected with oil outlet 6.
More preferably, lubricant pump cover 1 also is provided with and is used for second interface that is connected with hydraulic driving system oil inlet pipe 10, and second interface is connected with the filler opening of selector valve 7.
More preferably, also be provided with on the lubricant pump cover 1 and be used for the 3rd interface that is connected with hydraulic oil-returning pipe 11, the 3rd interface is connected with the return opening of selector valve 7.
More preferably, also be provided with on the lubricant pump cover 1 and be used for the 4th interface that is connected with selector valve guide line 9, the 4th interface is connected with the control mouth of selector valve 7.When selector valve 7 was solenoid directional control valve, this selector valve guide line 9 corresponded to control line of electromagnetic valve.
Like this, above-mentioned automatic lubricating system only needs to get final product through the corresponding connection of above-mentioned each interface lubricating pipe 8, selector valve guide line 9, hydraulic driving system oil inlet pipe 10, hydraulic oil-returning pipe 11 when using, and it is very convenient to operate.
The working principle of above-mentioned automatic lubricating system is summarized as follows: during complete machine (like development machine) work; The hydraulic system of complete machine produces pressure; Hydraulic oil gets into selector valve 7 through hydraulic driving system oil inlet pipe 10; Selector valve 7 is started working through the control of selector valve guide line 9, makes unidirectional hydraulic oil become bidirectional hydraulic oil, thereby drive plunger formula lubricant pump 2 is started working; The lubricating grease that the oil outlet 6 of plunger type lubricant pump 2 pumps is transported to distributor through lubricating pipe 8, is dispensed to each lubricating point then.
Need to prove that above-mentioned automatic lubricating system can be applied to various engineering machinery, is not limited to development machine.
Plunger type lubricant pump and the selector valve structure of various embodiments of the present invention through adopting hydraulic power is as the power unit of automatic lubricating system; Can realize that a hydraulic driving system oil inlet pipe inserts; Selector valve switching-over drive plunger formula lubricant pump pumping grease; Need not the extra hydraulic valve bank that is provided for regulating oil pressure and flow; Reduced buying, manufacture cost, and helped to promote the reliability of lubrication system, can realize timed lubrication, lubricated or continuous lubrication at interval through the commutating frequency of regulating solenoid valve; In addition, the hydraulic system through complete machine is that selector valve provides hydraulic oil can realize that automatic lubricating system and complete machine work are synchronous, and the frequency of okperation of the electrical system control electromagnetic valve through complete machine can guarantee the concertedness of complete machine work; Preferably, integrated through the lubricant pump cover to each power unit, make things convenient for assembling, adjusting and the pipeline connection etc. of automatic lubricating system.
More than be merely preferred embodiment of the present invention, or not all within spirit of the present invention and principle in order to restriction the present invention, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an automatic lubricating system is characterized in that, comprising: plunger type lubricant pump (2) and selector valve (7);
Said selector valve (7) comprising: the filler opening that oil-feed port and being used for is connected with hydraulic driving system oil inlet pipe (10); Said oil-feed port is connected with said plunger type lubricant pump (2), is used for the unidirectional hydraulic oil of said hydraulic driving system oil inlet pipe (10) is become the bidirectional hydraulic oil said plunger type lubricant pump of driving (2) work;
Said plunger type lubricant pump (2) comprises and is used for the oil outlet (6) that is connected with lubricating pipe (8).
2. automatic lubricating system according to claim 1 is characterized in that,
Said automatic lubricating system also comprises: be used to regulate the pressure regulator valve (5) of said oil outlet (6) oil pressure, said pressure regulator valve (5) is arranged on the said plunger type lubricant pump (2); Or/and
Said automatic lubricating system also comprises: be used to detect the pressure gauge (3) of said plunger type lubricant pump (2) working pressure, said pressure gauge (3) is arranged on the said plunger type lubricant pump (2).
3. automatic lubricating system according to claim 2 is characterized in that, said oil outlet (6), pressure regulator valve (5) and pressure gauge (3) all are arranged on the afflux piece (4) of said plunger type lubricant pump (2).
4. require each described automatic lubricating system among the 1-3 according to aforesaid right, it is characterized in that also comprise: lubricant pump cover (1) is provided with said plunger type lubricant pump (2) and said selector valve (7) in the said lubricant pump cover (1).
5. automatic lubricating system according to claim 4 is characterized in that, said lubricant pump cover (1) is provided with and is used for first interface that is connected with said lubricating pipe (8), and said first interface is connected with said oil outlet (6); And/or
Said lubricant pump cover (1) is provided with and is used for second interface that is connected with said hydraulic driving system oil inlet pipe (10), and said second interface is connected with the filler opening of said selector valve (7); And/or
Said lubricant pump cover (1) is provided with and is used for the 3rd interface that is connected with hydraulic oil-returning pipe (11), and said the 3rd interface is connected with the return opening of said selector valve (7); And/or
Said lubricant pump cover (1) is provided with and is used for the 4th interface that is connected with selector valve guide line (9), and said the 4th interface is connected with the control mouth of said selector valve (7).
6. require each described automatic lubricating system among the 1-3 according to aforesaid right, it is characterized in that said plunger type lubricant pump (2) is a twin-tub double-plunger symplex structure; And/or
Said selector valve (7) is a solenoid directional control valve.
7. an engineering machinery is characterized in that, is provided with each described automatic lubricating system among the claim 1-6.
8. engineering machinery according to claim 7 is characterized in that, said engineering machinery is a development machine.
9. engineering machinery according to claim 8 is characterized in that, said development machine comprises: the hydraulic system that is used for providing for said selector valve (7) through said hydraulic driving system oil inlet pipe (10) hydraulic oil.
10. according to Claim 8 or 9 described engineering machinery, it is characterized in that said selector valve (7) is a solenoid directional control valve, said development machine comprises: the electrical system that is used to control said selector valve (7) commutating frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102110257A CN102734623A (en) | 2012-06-26 | 2012-06-26 | Automatic lubrication system and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102110257A CN102734623A (en) | 2012-06-26 | 2012-06-26 | Automatic lubrication system and engineering machinery |
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| Publication Number | Publication Date |
|---|---|
| CN102734623A true CN102734623A (en) | 2012-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102110257A Pending CN102734623A (en) | 2012-06-26 | 2012-06-26 | Automatic lubrication system and engineering machinery |
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| CN (1) | CN102734623A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889464A (en) * | 2012-10-25 | 2013-01-23 | 江苏世强电动工具有限公司 | Pressure-operated valve |
| CN104864254A (en) * | 2015-06-16 | 2015-08-26 | 象山华洋机床附件厂 | Hydraulic synchronous lubrication pump of machine tool |
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| JPH0875090A (en) * | 1994-09-08 | 1996-03-19 | Kowa Kk | Lubricating oil supply pump |
| EP0857910A1 (en) * | 1997-02-10 | 1998-08-12 | Krupp Bautechnik GmbH | Grease feed device for working machine, specially fluid powered percussion mechanism and breaking tools |
| CN2491688Y (en) * | 2000-03-21 | 2002-05-15 | 本钢液压缸厂 | Pneumatic dry oil pump |
| CN2876513Y (en) * | 2006-01-16 | 2007-03-07 | 张文辉 | Pluger type lubricating pump |
| CN201851872U (en) * | 2010-11-02 | 2011-06-01 | 胡安方 | Hydraulic lubricating pump |
| CN202158330U (en) * | 2011-06-15 | 2012-03-07 | 江苏江海润液设备有限公司 | Double-column type electric lubricating pump station |
| CN202708534U (en) * | 2012-06-26 | 2013-01-30 | 三一重型装备有限公司 | Automatic lubrication system and engineering machine |
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2012
- 2012-06-26 CN CN2012102110257A patent/CN102734623A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0875090A (en) * | 1994-09-08 | 1996-03-19 | Kowa Kk | Lubricating oil supply pump |
| EP0857910A1 (en) * | 1997-02-10 | 1998-08-12 | Krupp Bautechnik GmbH | Grease feed device for working machine, specially fluid powered percussion mechanism and breaking tools |
| CN2491688Y (en) * | 2000-03-21 | 2002-05-15 | 本钢液压缸厂 | Pneumatic dry oil pump |
| CN2876513Y (en) * | 2006-01-16 | 2007-03-07 | 张文辉 | Pluger type lubricating pump |
| CN201851872U (en) * | 2010-11-02 | 2011-06-01 | 胡安方 | Hydraulic lubricating pump |
| CN202158330U (en) * | 2011-06-15 | 2012-03-07 | 江苏江海润液设备有限公司 | Double-column type electric lubricating pump station |
| CN202708534U (en) * | 2012-06-26 | 2013-01-30 | 三一重型装备有限公司 | Automatic lubrication system and engineering machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889464A (en) * | 2012-10-25 | 2013-01-23 | 江苏世强电动工具有限公司 | Pressure-operated valve |
| CN104864254A (en) * | 2015-06-16 | 2015-08-26 | 象山华洋机床附件厂 | Hydraulic synchronous lubrication pump of machine tool |
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Application publication date: 20121017 |