CN215694821U

CN215694821U - Return oil filtering device of crawler excavator oil filter element

Info

Publication number: CN215694821U
Application number: CN202121988657.5U
Authority: CN
Inventors: 谢慧
Original assignee: Jinan Ruigong Electromechanical Technology Co ltd
Current assignee: Jinan Ruigong Electromechanical Technology Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-02-01
Anticipated expiration: 2031-08-24

Abstract

The utility model provides an oil return filtering device of a crawler excavator oil filter element, and relates to the technical field of oil return filtering. The device uses through the cooperation of cartridge filter, electro-magnet and blade, can prevent that the cartridge filter from blockking up, uses through the cooperation of servo motor, inlet tube, outlet pipe and rotary disk, can wash the inside impurity of shell.

Description

Return oil filtering device of crawler excavator oil filter element

Technical Field

The utility model relates to the technical field of return oil filtration, in particular to a return oil filtration device of a crawler excavator oil filter core.

Background

A crawler hydraulic excavator is an earth moving machine that excavates material above or below a load bearing surface with a bucket and loads it into a transport vehicle or unloads it to a stockyard.

When the excavator excavates earth, the telescopic arm is generally controlled by a hydraulic system to stretch and retract to complete the excavation action, wherein a hydraulic oil pump is needed to provide power, after the hydraulic oil pump is used, the engine oil in the hydraulic oil pump flows back into an oil tank again, and various dirt such as abrasive particles and the like easily generated by a hydraulic element in the working process need to be filtered and intercepted by an oil return filtering device, so that the abrasion of the hydraulic oil pump is accelerated after the various dirt such as the abrasive particles and the like return to the oil tank again and are sucked by the hydraulic oil pump.

But current oil return filter equipment filters machine oil when filtering, filters through fixed mounting's filter screen, and iron fillings impurity in the machine oil blocks up the filter screen easily, causes filter efficiency slow, and then influences the speed of oil return, and current filter equipment after long-time filtration, need dismantle it and get off to change or wash, very troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the background art, and provides an oil return filtering device of a crawler excavator oil filter element.

In order to achieve the purpose, the utility model provides the following technical scheme that the return oil filtering device of the crawler excavator oil filter element comprises a shell, a filter cylinder, an equipment box and an adsorption component;

a filter cylinder is arranged in the shell, an equipment box is fixedly installed on one side of the shell, and a servo motor is fixedly installed at the top of the shell;

the inside absorption subassembly that is provided with of shell for adsorb the iron fillings in the machine oil.

Further, the adsorption component comprises a power supply and an electromagnet, the power supply is fixedly installed inside the equipment box, the electromagnet is arranged on the inner wall of the shell, and the electromagnet is electrically connected with the power supply.

Furthermore, the bottom of the servo motor is in driving connection with a rotating disk, the bottom of the rotating disk is connected with a filter cylinder, and the bottom of the filter cylinder is fixedly connected with a chassis.

Furthermore, the bottom of the chassis is provided with a chute with an annular structure, the inner wall of the bottom of the shell is fixedly connected with a plurality of support rods, the tops of the support rods are fixedly connected with sliding blocks matched with the chute, and the sliding blocks are located inside the chute.

Furthermore, a plurality of blades are arranged on the outer side of the filter cylinder and are uniformly distributed in an annular array.

Furthermore, a water inlet pipe and a water outlet pipe are fixedly connected to one side of the shell, and the water inlet pipe is located above the water outlet pipe.

Further, shell one side fixedly connected with advances oil pipe, shell bottom fixedly connected with goes out oil pipe, just it runs through the shell and switches on mutually with cartridge filter inside to go out oil pipe one end, be provided with the solenoid valve on the oil pipe.

The utility model provides an oil return filtering device of a crawler-type excavator oil filter core, which has the following beneficial effects:

1. the utility model has the advantages that when oil needs to be returned and filtered, the iron filings impurities in the oil are adsorbed by the magnetic force generated by electrifying the electromagnet through the oil inlet pipe, the power supply and the electromagnet, the filter cartridge is prevented from being blocked by the iron filings impurities, meanwhile, the impurities in the oil move outwards under the action of centrifugal force through the blades and the filter cartridge, the oil enters the inside through the filter cartridge, the oil filtering efficiency is improved, and the iron filings in the oil are far away from the filter cartridge by matching with the electromagnet, so that the filter cartridge is prevented from being blocked.

2. Secondly, when needs wash filterable impurity in the shell, the power is turned off, make the adsorbed iron fillings on the electro-magnet can drop on the chassis, through the inlet tube, servo motor, the rotary disk, cartridge filter and multi-disc blade, make the blade drive water rotate, make the continuous washing electromagnet surface that erodees of the inside water of shell, wash away iron fillings, the impurity that the while rivers will be attached to on the cartridge filter erodees the washing, then iron fillings and the impurity that erodees down discharge through the outlet pipe along with rivers, the completion is to the inside washing of shell.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a sectional view of the overall structure of the present invention.

Fig. 3 is a schematic view of the filter cartridge structure of the present invention.

Fig. 4 is an enlarged view of the utility model at a in fig. 2.

In FIGS. 1-4: 1. a housing; 101. a water inlet pipe; 102. a water outlet pipe; 103. an oil inlet pipe; 104. an oil outlet pipe; 2. a servo motor; 201. rotating the disc; 202. a filter cartridge; 203. a blade; 204. a chassis; 205. a chute; 3. a support bar; 301. a slider; 4. an equipment box; 401. a power source; 402. an electromagnet.

Detailed Description

Example (b):

referring to figures 1-4 of the drawings,

the return oil filtering device of the crawler excavator oil filter element provided by the embodiment comprises a shell 1, a filter cylinder 202, an equipment box 4 and an adsorption component;

the filter cartridge 202 is arranged inside the shell 1, the equipment box 4 is fixedly arranged on one side of the shell 1, and the servo motor 2 is fixedly arranged on the top of the shell 1;

the inside absorption subassembly that is provided with of shell 1 for adsorb the iron fillings in the machine oil.

The shell 1 is made of stainless steel materials, and the stainless steel materials have good corrosion resistance, so that when the inside of the shell 1 filters engine oil, the corrosion of the engine oil and impurities in the engine oil can be resisted, and meanwhile, when the inside of the shell 1 is cleaned, the corrosion of water can be resisted, and the service life of the shell 1 is prolonged;

meanwhile, the shell 1 can be made of an aluminum alloy material, the aluminum alloy material also has good corrosion resistance, but compared with a stainless steel material, the aluminum alloy material and the stainless steel material have little corrosion resistance difference, but the mechanical strength of the stainless steel material is better than that of the aluminum alloy material, so that the shell 1 can resist the impact of external foreign matters when being used for a long time, the situation that oil leakage is caused due to cracks after the shell 1 is impacted is avoided, and therefore the stainless steel material with high mechanical strength is selected for making.

Further, the absorption subassembly includes power 401 and electro-magnet 402, the inside fixed mounting of equipment box 4 has power 401, be provided with electro-magnet 402 on the 1 inner wall of shell, and electro-magnet 402 and power 401 electric connection, when carrying out the oil return to machine oil and filtering, switch on electro-magnet 402 through power 401, make the magnetic force that electro-magnet 402 circular telegram produced, adsorb iron fillings impurity in the machine oil, when avoiding iron fillings impurity to filter through cartridge filter 202, with the filtration pore jam on the cartridge filter 202, influence holistic filtration efficiency.

Further, the rotating disc 201 is fixedly connected to the top of the filter cartridge 202, the rotating disc 201 is in driving connection with the servo motor 2, the chassis 204 is fixedly connected to the bottom of the filter cartridge 202, the servo motor 2 is electrically connected with the power source 401, when iron filings accumulated on the electromagnet 402 need to be cleaned, the power source 401 is turned off, the electromagnet 402 is powered off and loses magnetic force, the iron filings adsorbed on the electromagnet 402 can fall onto the chassis 204, water is injected into the shell 1 through the water inlet pipe 101, the servo motor 2 is then started, the servo motor 2 drives the rotating disc 201 to rotate, the filter cartridge 202 is driven to rotate, the filter cartridge 202 drives the water to rotate through the plurality of blades 203, the surface of the electromagnet 402 is continuously washed by the water in the shell 1, the iron filings are washed away, and meanwhile, impurities attached to the filter cartridge 202 are washed and cleaned by water flow, then the iron chips and impurities washed down are discharged through the water outlet pipe 102 along with the water flow, and the inside of the shell 1 is cleaned.

Further, the spout 205 of loop configuration is seted up to chassis 204 bottom, a plurality of bracing pieces 3 of fixedly connected with on the inner wall of shell 1 bottom, bracing piece 3 top fixedly connected with and spout 205 assorted slider 301, and slider 301 is located inside the spout 205, when cartridge filter 202 rotates, cartridge filter 202 drives chassis 204 and rotates, support slider 301 through a plurality of bracing pieces 3 this moment, make slider 301 slide in spout 205, make chassis 204 can rotate at current position, and then inject cartridge filter 202 and carry out the rotational position, avoid cartridge filter 202 position offset when rotating, influence filtration efficiency.

Further, the cartridge filter 202 outside is provided with multi-disc blade 203, and multi-disc blade 203 is ring array evenly distributed, when machine oil from advancing oil pipe 103 and pouring into the inside of shell 1, machine oil moves down and strikes blade 203 under the effect of gravity, make blade 203 receive the thrust of machine oil and drive cartridge filter 202 and rotate, and then make the machine oil in the shell 1 form the swirl, make impurity in the machine oil outside under the effect of centrifugal force remove, machine oil then enters into inside through cartridge filter 202, the improvement is to machine oil filtration efficiency, keep away from cartridge filter 202 with the iron fillings in the electro-magnet 402 cooperation with machine oil simultaneously.

Furthermore, one side of the housing 1 is fixedly connected with a water inlet pipe 101 and a water outlet pipe 102, the water inlet pipe 101 is positioned above the water outlet pipe 102, water is injected into the housing 1 through the water inlet pipe 101, and water in the housing 1 is discharged through the water outlet pipe 102.

Further, shell 1 one side fixedly connected with advances oil pipe 103, and shell 1 bottom fixedly connected with goes out oil pipe 104, and goes out oil pipe 104 one end and runs through shell 1 and the inside looks conduction of cartridge filter 202, is provided with the solenoid valve on going out oil pipe 104, will need filterable machine oil to inject into shell 1 through advancing oil pipe 103 in, then open the solenoid valve for machine oil after the filtration is discharged through going out oil pipe 104.

When the oil return filter is used, when oil needs to be returned and filtered, the oil is injected into the shell 1 through the oil inlet pipe 103, the electromagnet 402 is electrified through the power supply 401, magnetic force generated by the electromagnet 402 is electrified to adsorb iron filings and impurities in the oil, and the situation that the filter holes in the filter cartridge 202 are blocked and the overall filtering efficiency is affected when the iron filings and impurities are filtered through the filter cartridge 202 is avoided, when the oil is injected into the shell 1 from the oil inlet pipe 103, the oil moves downwards under the action of gravity and impacts the blade 203, so that the blade 203 is driven by the thrust of the oil to drive the filter cartridge 202 to rotate, further the oil in the shell 1 forms a vortex, the impurities in the oil move outwards under the action of centrifugal force, the oil enters the interior through the filter cartridge 202, the filtering efficiency of the oil is improved, and the iron filings in the oil are far away from the filter cartridge 202 by matching with the electromagnet 402, when impurities filtered in the shell 1 need to be cleaned, the electromagnetic valve and the power source 401 are closed, the electromagnet 402 is powered off and loses magnetic force, scrap iron adsorbed on the electromagnet 402 can fall onto the chassis 204, water is injected into the shell 1 through the water inlet pipe 101, then the servo motor 2 is started, the servo motor 2 drives the rotating disc 201 to rotate, the filter cartridge 202 is driven to rotate through the blades 203, the water in the shell 1 continuously washes the surface of the electromagnet 402, the scrap iron is washed away, meanwhile, the impurities attached to the filter cartridge 202 are washed away and cleaned by water flow, the washed scrap iron and the impurities are discharged through the water outlet pipe 102 along with the water flow, the cleaning of the interior of the shell 1 is completed, when the filter cartridge 202 rotates, the filter cartridge 202 drives the chassis 204 to rotate, at this moment, the sliding block 301 is supported by the support rods 3, the sliding block 301 slides in the sliding groove 205, the chassis 204 can rotate at the current position, the filter cartridge 202 is limited to rotate, the position offset of the filter cartridge 202 during rotation is avoided, the filtering efficiency is influenced, the filter cartridge 202 can be prevented from being blocked by the structure, the filtering effect is improved, impurities in the shell 1 are prevented from being cleaned, the filter cartridge 202 does not need to be detached and replaced, and the working efficiency is improved.

Claims

1. An oil return filtering device of a crawler excavator oil filter core is characterized by comprising a shell, a filter cylinder, an equipment box and an adsorption component;

2. The return oil filtering device of the crawler-type excavator oil filter element according to claim 1, wherein the adsorption component comprises a power supply and an electromagnet, the power supply is fixedly installed inside the equipment box, the electromagnet is arranged on the inner wall of the shell, and the electromagnet is electrically connected with the power supply.

3. The return oil filtering device of the crawler-type excavator oil filter element according to claim 1, wherein a rotating disc is connected to the bottom of the servo motor in a driving manner, the bottom of the rotating disc is connected with a filter cylinder, and a chassis is fixedly connected to the bottom of the filter cylinder.

4. The return oil filtering device of the crawler-type excavator oil filter element according to claim 3, wherein the bottom of the chassis is provided with a chute in an annular structure, the inner wall of the bottom of the shell is fixedly connected with a plurality of supporting rods, the tops of the supporting rods are fixedly connected with sliding blocks matched with the chute, and the sliding blocks are positioned inside the chute.

5. The return oil filter device of the crawler-type excavator oil filter element according to claim 1, wherein a plurality of blades are arranged on the outer side of the filter cylinder, and the plurality of blades are uniformly distributed in an annular array.

6. The return oil filtering device of the crawler-type excavator oil filter element according to claim 1, wherein one side of the shell is fixedly connected with a water inlet pipe and a water outlet pipe, and the water inlet pipe is positioned above the water outlet pipe.

7. The return oil filtering device of the crawler-type excavator oil filter element according to claim 1, wherein an oil inlet pipe is fixedly connected to one side of the shell, an oil outlet pipe is fixedly connected to the bottom of the shell, one end of the oil outlet pipe penetrates through the shell and is communicated with the inside of the filter cylinder, and an electromagnetic valve is arranged on the oil outlet pipe.