阅读说明：本技术 一种工程机械液压油箱 (A kind of construction machinery hydraulic oil tank ) 是由 顾柳泉 于 2019-09-05 设计创作，主要内容包括：本发明公开了一种工程机械液压油箱,其技术方案要点是：包括油箱本体,所述油箱本体上开设有滤芯安装口,所述油箱本体在所述滤芯安装口内缘具有与油箱本体一体成型的第一凸环,所述滤芯安装口处插接有固定柱,所述固定柱上设置有用于过滤油箱本体内部磁性杂质的磁滤部和用于过滤油箱本体内部其他杂质的过滤部,所述固定柱的端部具有与固定柱一体成型的第二凸环,所述第二凸环与所述油箱本体之间以及所述第一凸环与所述固定柱之间分别做密封处理,固定柱外部的磁滤部和过滤部能过滤除去油箱本体中油液中的磁性杂质和非磁性杂质,使得油液杂质较少,提高了液压油箱的使用寿命。(The invention discloses a kind of construction machinery hydraulic oil tanks, its key points of the technical solution are that: including oil tank body, filter core installing port is offered on the oil tank body, the oil tank body has and integrally formed first bulge loop of oil tank body in filter core installing port inner edge, fixed column is plugged at the filter core installing port, the magnetic filter portion for filtering oil tank body internal magnetization impurity and the filter house for filtering other impurities inside oil tank body are provided in the fixed column, the end of the fixed column has and integrally formed second bulge loop of fixed column, encapsulation process is done respectively between second bulge loop and the oil tank body and between first bulge loop and the fixed column, magnetic filter portion and filter house outside fixed column can be filtered to remove magnetic impurity and non-magnetic impurity in oil tank body in oil liquid, so that oil residue is less, it improves The service life of hydraulic oil container.)

1. a kind of construction machinery hydraulic oil tank, including oil tank body (1), it is characterised in that: offered on the oil tank body (1) Filter core installing port (10), the oil tank body (1) filter core installing port (10) inner edge have with oil tank body (1) one at The first bulge loop (101) of type is plugged with fixed column (11) at the filter core installing port (10), is provided on the fixed column (11) For filtering the magnetic filter portion (2) of oil tank body (1) internal magnetization impurity and for filtering the internal other impurities of oil tank body (1) Filter house (3), the end of the fixed column (11) have with integrally formed second bulge loop (110) of fixed column (11), described the Distinguish between two bulge loops (110) and the oil tank body (1) and between first bulge loop (101) and the fixed column (11) Do encapsulation process.

2. a kind of construction machinery hydraulic oil tank according to claim 1, it is characterised in that: magnetic filter portion (2) includes the One ring flat-plate (21), magnetic rings (211), ring cover (212) and through-hole (2120), the normal section of first ring flat-plate (21) are Contraband font And first ring flat-plate (21) is threaded in the outside of the fixed column (11), the magnetic rings (211) are fixed on the first ring In the opening of plate (21), the ring cover (212) is threaded in the outside of first ring flat-plate (21), on the ring cover (212) The densely covered through-hole (2120) is offered, the diameter of the through-hole (2120) is in 5-8mm.

3. a kind of construction machinery hydraulic oil tank according to claim 1, it is characterised in that: the filter house (3) includes ring Cylinder (31), oil pump (311), oil inlet pipe (3111), flowline (3112), the first magnetic net (312), glass filter paper (313), second Magnetic net (314), active carbon (315), third magnetism net (316) and oil outlet (310), the ring cylinder (31) are threaded in institute The outside of fixed column (11) is stated, the oil pump (311) is fixed on fixed column (11) inside, and oil inlet pipe (3111) connection is in oil At the oil inlet for pumping (311), flowline (3112) connection is internal in the ring cylinder (31), the described first magnetic net (312), Described second magnetic net (314) and the third magnetism net (316) are separately fixed at ring cylinder (31) inside, first magnetic Property net (312) and the second magnetic net (314) between be provided with the glass filter paper (313), the described second magnetic net (314) It is provided with active carbon (315) between the third magnetism net (316), the oil outlet (310) is provided with multiple and is provided with On the ring cylinder (31).

4. a kind of construction machinery hydraulic oil tank according to claim 1, it is characterised in that: second bulge loop (110) and It is connected between oil tank body (1) by several clamping screws (1101), second bulge loop (110) and the oil tank body (1) the first groove (1102) and the second groove (1103) are offered on one side in close to each other, first groove (1102) is interior It is placed with the first rectangular gasket (11021), is placed with the first O-ring (11031) in second groove (1103).

5. a kind of construction machinery hydraulic oil tank according to claim 3, it is characterised in that: the oil pump (311) is fixed on In notch (113) on the fixed column (11), blanking cover (1130), the oil inlet are also threaded at the notch (113) Pipe (3111) and the flowline (3112) are each passed through the blanking cover (1130), are also provided with third on the blanking cover (1130) Groove (1131) and the 4th groove (1132), the outside of the oil inlet pipe (3111) are fixed with the second rectangular gasket (11310), The outside of the flowline (3112) is fixed with third square gasket (11321), and the second rectangular gasket (11310) is embedding It is located in the third groove (1131), the third square gasket (11321) is embedded in the 4th groove (1132).

6. a kind of construction machinery hydraulic oil tank according to claim 5, it is characterised in that: the ring cylinder (31) is close to slot Have at mouthful (113) with its integrally formed outer rim (317), being fixed with section on the blanking cover (1130) is L-shaped pressing plate (318), the pressing plate (318) is threaded at the outer rim (317), and the pressing plate (318) and the outer rim (317) are in phase Mutually close one side offers the 5th groove (3170) jointly, is provided with the second O-ring in the 5th groove (3170) (31701)。

7. a kind of construction machinery hydraulic oil tank according to claim 1, it is characterised in that: the outside of the fixed column (11) It is also threadedly coupled Packed box body (114), the box body (114) is internally provided with heating rod (1141), the box body (114) Inside is also filled with water.

8. a kind of construction machinery hydraulic oil tank according to claim 1, it is characterised in that: outside the oil tank body (1) Surface is also coated with one layer of nonpolluting coating:

Take following each component raw material for standby by weight: 40-42 parts of tetrabutyl titanate, 15-18 parts of ethyl acetate, polytetrafluoroethylene (PTFE) 20-22 parts, 45-48 parts of polyvinyl chloride, 4-8 parts of ethoxylated fatty amine, 6-8 parts of diphenylethan, α-diethoxy acetophenone 5-8 parts of ester, 5-8 parts of sodium benzoate；

S1, a refinery: by tetrabutyl titanate, polytetrafluoroethylene (PTFE), polyvinyl chloride, ethoxylated fatty amine, diphenylethan with And α-diethoxy acetophenone ester is uniformly mixed, high-speed stirred is sufficiently mixed, and is placed in mixer in 116-118 DEG C of refinery 2h, is obtained To the first pre-prepared liquid；

S2, secondary refinery: after the completion of a refinery, ethyl acetate is added into the first pre-prepared liquid and continues refinery 2h, has reacted Cheng Hou takes out product, carries out the compound 1h of heat, obtains the second pre-prepared liquid；

S3, prepare nonpolluting coating solution: the pre-prepared middle addition sodium benzoate of second obtained to S2 simultaneously stirs, and obtains Nonpolluting coating solution；

S4, coating: outer surface of the nonpolluting coating solution spraying obtained S3 using spray gun in oil tank body (1)；

S5, drying: the oil tank body (1) that S4 is obtained dry 8-10h in the baking oven that temperature is 60 DEG C.

9. a kind of preparation method of nonpolluting coating according to claim 8, it is characterised in that: in the S1, just by metatitanic acid Butyl ester, polytetrafluoroethylene (PTFE), polyvinyl chloride, ethoxylated fatty amine, diphenylethan and α-diethoxy acetophenone ester mixing Uniformly, high-speed stirred is sufficiently mixed, and is placed in mixer in 117 DEG C of refinery 2h, is obtained the first pre-prepared liquid.

Technical field

The present invention relates to fuel tank fields, more specifically, it relates to a kind of construction machinery hydraulic oil tank.

Background technique

Hydraulic oil is housed inside hydraulic oil container, is one of essential component, hydraulic oil quality in many hydraulic devices Hydraulic system working performance is influenced greatly, the root of many failures all originates from it.

Due to inevitably occurring various impurity in hydraulic system, source mainly has: remaining on after cleaning hydraulic Mechanical admixture in system, such as scale, casting sand, welding slag, iron filings, coating, paint skin and cotton yarn bits, outside enter hydraulic system Impurity, such as through oil filler and dustband etc. enter dust；The impurity that the course of work generates, if sealing element is by hydraulic action The metal powder of relative wear generation, colloid that oil liquid is generated by oxidation deterioration, asphalitine, breeze are made in the fragment of formation, movement Deng；After above-mentioned impurity is mixed into hydraulic oil, with the ringing of hydraulic oil, destruction will be played everywhere, seriously affects hydraulic pressure system The normal work of system, such as make very little gap in Hydraulic Elements between relative movement part and throttling pore and gap it is stuck or Blocking；The oil film between relative movement part is destroyed, clearance surface is scratched, increases internal leakage, reduces efficiency, increases fever, The chemical action for aggravating oil liquid keeps oil liquid rotten.

According to production statistics, 75% or more of the failure in hydraulic system be as caused by being mixed into impurity in hydraulic oil, it is comprehensive It closes and analyzes these impurity, these impurity are mainly magnetic impurity and non-magnetic impurity, therefore the cleaning in order to safeguard oil liquid, are prevented The pollution of oil liquid removes these magnetic and nonmagnetic impurity, is of great significance to the service life for improving hydraulic system.

Summary of the invention

In view of the deficiencies of the prior art, the present invention intends to provide a kind of construction machinery hydraulic oil tank, with solution The problem of certainly being mentioned in background technique.

To achieve the above object, the present invention provides the following technical scheme that

A kind of construction machinery hydraulic oil tank, including oil tank body offer filter core installing port, the fuel tank on the oil tank body Ontology has the grafting at the filter core installing port with oil tank body integrally formed first bulge loop in filter core installing port inner edge There is fixed column, the magnetic filter portion for filtering oil tank body internal magnetization impurity is provided in the fixed column and was used for inlet box The filter house of body interior other impurities, the end of the fixed column have with integrally formed second bulge loop of fixed column, it is described Encapsulation process is done respectively between second bulge loop and the oil tank body and between first bulge loop and the fixed column.

By using above-mentioned technical proposal, the fixed column at oil tank body upper filter installing port, which is plugged and fixed, to be facilitated Taking-up, be packed into, and by doing encapsulation process after, favorable sealing property；Magnetic filter portion and filter house energy mistake outside fixed column It filters out magnetic impurity and non-magnetic impurity in oil tank body in oil liquid and improves hydraulic oil container so that oil residue is less Service life.

Further, magnetic filter portion includes the first ring flat-plate, magnetic rings, ring cover and through-hole, and first ring flat-plate is abscissused Face is the outside that Contraband font and first ring flat-plate are threaded in the fixed column, and the magnetic rings are fixed on the first ring flat-plate In opening, the ring cover is threaded in the outside of first ring flat-plate, and the densely covered through-hole, institute are offered on the ring cover The diameter of through-hole is stated in 5-8mm.

By using above-mentioned technical proposal, the first ring flat-plate in magnetic filter portion may be threadably coupled to the outside of fixed column, side Disassembly, the magnetic rings being fixed in the first ring flat-plate opening can adsorb magnetic impurity in oil liquid, oil liquid can pass through ring cover On through-hole enter the first filter plate and ring cover composition chamber in, to adsorb magnetic impurity therein, ring cover is detachable, energy The magnetic impurity of easy cleaning magnetic rings surface accumulation.

Further, the filter house includes ring cylinder, oil pump, oil inlet pipe, flowline, the first magnetic net, glass filter paper, the Two magnetic nets, active carbon, third magnetism net and oil outlet, the ring cylinder are threaded in the outside of the fixed column, the oil Pump is fixed on inside fixed column, and the oil inlet pipe connection is at the oil inlet of oil pump, and the flowline connection is in the ring cylinder Portion, the first magnetic net, the second magnetic net and the third magnetism net are separately fixed inside the ring cylinder, and described the The glass filter paper, the described second magnetic net and the third magnetism net are provided between one magnetic net and the second magnetic net Between be provided with active carbon, the oil outlet is provided with multiple and is provided on the ring cylinder.

By using above-mentioned technical proposal, when starting the oil pump in filter house, the oil liquid outside ring cylinder can be passed through into Oil pipe is pumped into ring cylinder, then is extracted out from flowline, oil liquid be drawn into behind ring cylinder inside magnetic impurity can by the first magnetic net, Second magnetic net and the absorption of third magnetism net filtration, non-magnetic impurity can be by glass filter paper and activated carbon adsorption, because can Oil liquid flowing is actively promoted, so most impurity particle in oil liquid can be absorbed.

Further, it is connected between second bulge loop and oil tank body by several clamping screws, described second is convex Ring and the oil tank body offer the first groove and the second groove in close to each other on one side, are placed in first groove First rectangular gasket is placed with the first O-ring in second groove.

By using above-mentioned technical proposal, by that can be locked column and oil tank body using clamping screw, is utilized One direction gasket and the first O-ring can be realized the static seal between oil tank body and the second bulge loop, prevent its oil leak.

Further, the oil pump is fixed in the notch in the fixed column, is also threaded at the notch stifled Lid, the oil inlet pipe and the flowline be each passed through the blanking cover, and third groove and the 4th recessed is also provided on the blanking cover Slot, the outside of the oil inlet pipe are fixed with the second rectangular gasket, and the outside of the flowline is fixed with third square gasket, The second rectangular gasket is embedded in the third groove, and the third square gasket is embedded in the 4th groove It is interior.

By using above-mentioned technical proposal, the second gasket on oil inlet pipe and the third gasket on flowline can be prevented Oil liquid enters in the notch in fixed column from oil inlet pipe and flowline, can prevent oil liquid from influencing the use of oil pump.

Further, the ring cylinder have at the notch with its integrally formed outer rim, be fixed on the blanking cover Section is L-shaped pressing plate, and the pressing plate is threaded at the outer rim, and the pressing plate and the outer rim are close to each other one Face offers the 5th groove jointly, is provided with the second O-ring in the 5th groove.

By using above-mentioned technical proposal, when tightening blanking cover, section is that L-shaped pressing plate will be pushed down on ring cylinder at notch Outer rim can increase the sealing effect between blanking cover and ring cylinder using the second O-ring.

Further, the outside of the fixed column is also threadedly coupled Packed box body, and the tray interior, which is provided with, to be added Hot pin, the tray interior are also filled with water.

By using above-mentioned technical proposal, the intracorporal water of box can be heated using heating rod, it can be in cold When improve oil tank body internal oil temperature, prevent it from freezing.

Further, the outer surface of the oil tank body is also coated with one layer of nonpolluting coating:

Take following each component raw material for standby by weight: 40-42 parts of tetrabutyl titanate, 15-18 parts of ethyl acetate, polytetrafluoroethylene (PTFE) 20-22 parts, 45-48 parts of polyvinyl chloride, 4-8 parts of ethoxylated fatty amine, 6-8 parts of diphenylethan, α-diethoxy acetophenone 5-8 parts of ester, 5-8 parts of sodium benzoate；

S1, a refinery: by tetrabutyl titanate, polytetrafluoroethylene (PTFE), polyvinyl chloride, ethoxylated fatty amine, diphenylethan with And α-diethoxy acetophenone ester is uniformly mixed, high-speed stirred is sufficiently mixed, and is placed in mixer in 116-118 DEG C of refinery 2h, is obtained To the first pre-prepared liquid；

S2, secondary refinery: after the completion of a refinery, ethyl acetate is added into the first pre-prepared liquid and continues refinery 2h, has reacted Cheng Hou takes out product, carries out the compound 1h of heat, obtains the second pre-prepared liquid；

S3, prepare nonpolluting coating solution: the pre-prepared middle addition sodium benzoate of second obtained to S2 simultaneously stirs, and obtains Nonpolluting coating solution；

S4, coating: the nonpolluting coating solution spraying for being obtained S3 using spray gun is in the outer surface of oil tank body；

S5, drying: the oil tank body that S4 is obtained dry 8-10h in the baking oven that temperature is 60 DEG C.

Further, in the S1, by tetrabutyl titanate, polytetrafluoroethylene (PTFE), polyvinyl chloride, ethoxylated fatty amine, two Phenyl ethyl ketone and α-diethoxy acetophenone ester are uniformly mixed, and high-speed stirred is sufficiently mixed, and is placed in mixer in 117 DEG C of refinery 2h obtains the first pre-prepared liquid.

In conclusion the present invention mainly has the advantages that

One, pass through inside oil tank body in the present invention after the filtering of the magnetic filter portion in fixed column and filter house, oil removal box can be gone The magnetic and non-magnetic impurities particle of inner most can effectively improve the cleannes of oil liquid, and that improves fuel tank uses the longevity Life；

Two, the fixed column on oil tank body can be convenient disassembly, can all facilitate together with magnetic filter plate and filter house and be dismantled, can It is replaced in use for some time；

Three, oil tank body is not easy from oil leak from filter core installing port, and oil liquid does not allow leakiness because its sealing performance is preferable Enter in the notch onto fixed column, will not influence the use of filter house.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of embodiment provided by the invention；

Fig. 2 is a kind of structure sectional view of embodiment provided by the invention；

Fig. 3 is the enlarged structure schematic diagram in the portion A in Fig. 2；

Fig. 4 is a kind of structural schematic diagram of the embodiment provided by the invention after hiding oil tank body；

Fig. 5 is a kind of structure sectional view of the embodiment provided by the invention after hiding oil tank body；

Fig. 6 is the enlarged structure schematic diagram in the portion B in Fig. 5；

Fig. 7 is the enlarged structure schematic diagram in the portion C in Fig. 5；

Fig. 8 is the enlarged structure schematic diagram in the portion D in Fig. 5；

Fig. 9 is the enlarged structure schematic diagram in the portion E in Fig. 5.

In figure: 1, oil tank body；10, filter core installing port；101, the first bulge loop；11, fixed column；2, magnetic filter portion；3, it filters Portion；110, the second bulge loop；21, the first ring flat-plate；211, magnetic rings；212, ring cover；2120, through-hole；31, ring cylinder；311, oil pump； 3111, oil inlet pipe；3112, flowline；312, the first magnetic net；313, glass filter paper；314, the second magnetic net；315, active Charcoal；316, third magnetism net；310, oil outlet；1101, clamping screw；1102, the first groove；1103, the second groove；11021, First rectangular gasket；11031, the first O-ring；113, notch；1130, blanking cover；1131, third groove；1132, the 4th is recessed Slot；11310, the second rectangular gasket；11321, third square gasket；317, outer rim；318, pressing plate；3170, the 5th groove； 31701, the second O-ring；114, box body；1141, heating rod.

Specific embodiment

Below in conjunction with attached drawing 1-9, invention is further described in detail.