CN217518997U

CN217518997U - Hydraulic oil filter for fracturing truck

Info

Publication number: CN217518997U
Application number: CN202221089486.7U
Authority: CN
Inventors: 陈琦; 黄顺秀; 彭丽琼
Original assignee: Jingzhou Weike Petroleum Machinery Equipment Co ltd
Current assignee: Jingzhou Weike Petroleum Machinery Equipment Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-09-30
Anticipated expiration: 2032-05-07

Abstract

The utility model provides a hydraulic oil filter for fracturing unit truck, which comprises a filter body, wherein the filter body comprises a shell, a first filter component and a second filter component, an oil inlet pipe and an oil outlet pipe are arranged at the top end of the shell, a bottom plate is arranged at the bottom end of the shell, a main channel is arranged at the inner side of the shell, the first filter component is arranged in the middle of the main channel, a first clapboard is arranged at the bottom end of the main channel, the second filter component is arranged at the bottom end of the first clapboard, two independent conveying channels are arranged in the first filter component, when the first filter component is blocked after being used for a long time, the first filter component can be filtered by the second filter component, thereby avoiding reducing the conveying efficiency of hydraulic oil and influencing the stable operation of a hydraulic system, when the second filter component can not be continuously used, the automatic recovery can be carried out, and the influence of the subsequent conveying of hydraulic oil by the discarded second filter component can be avoided, and prevents the second check valve from being blocked.

Description

Hydraulic oil filter for fracturing truck

Technical Field

The utility model relates to a filter technical field specifically is an automobile-used hydraulic oil filter of fracturing.

Background

Fracturing unit truck belongs to engineering vehicle, often use in the abominable place of environment, hydraulic system normal operating can be guaranteed to its inside hydraulic filter, among the prior art, hydraulic filter simple structure, filter the use through the installation filter core in inside, but along with the increase of live time, the filter core part is in case take place to block up, will influence the filter effect, partial filter bottom is installed the bypass valve and is dredged, but the hydraulic oil through the bypass valve can't filter, consequently inside wrapping up in the unable timely discharge of granule such as the impurity piece of holding by the arms, thereby influence inside hydraulic system's work.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an automobile-used hydraulic oil filter of fracturing to solve the problem that proposes in the above-mentioned background art, the utility model discloses can open extra passageway when the filter core blocks up, life is longer.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a fracturing truck hydraulic oil filter, includes the filter body, the filter body includes shell, first filtering component and second filtering component, the top of shell is provided with into oil pipe and goes out oil pipe, the bottom of shell is provided with the bottom plate, the inboard of shell is provided with the main entrance, first filtering component is installed to the centre of main entrance, the bottom of main entrance is provided with first baffle, second filtering component is installed to the bottom of first baffle, the central point of second filtering component puts and is provided with the accessory channel, recovery mechanism is installed on the top of accessory channel.

Further, first filtering component includes first filter core, advance the bottom of oil pipe and all install first check valve, the second baffle is installed to the bottom of first filter core, the surface mounting of second baffle has the second check valve, second filtering component installs the below at first filter core.

Furthermore, first check valve is carried the inside hydraulic oil of oil feed pipe to the inside of main entrance, the second check valve is carried the inside hydraulic oil of accessory channel to the top of second baffle, the top of first filter core and the top fixed connection of shell, the inside of first filter core is linked together with the inside that goes out oil pipe.

Furthermore, the second filtering component comprises a second filtering core and a sealing ring, an annular through hole is formed in the middle of the first partition plate, a supporting spring is installed at the bottom end of the sealing ring, a communicating sleeve is arranged at the bottom end of the inner side of the first partition plate, and the auxiliary channel is arranged inside the communicating sleeve.

Furthermore, the top end of the supporting spring is fixedly connected with the bottom of the sealing ring, the bottom end of the supporting spring is fixedly connected with the surface of the bottom plate, the top of the sealing ring is attached to the bottom of the first partition plate, the annular through hole is plugged by the sealing ring, a second filter core is arranged in the auxiliary channel, and the recovery mechanism is arranged above the second filter core.

Furthermore, a plurality of round holes are formed in the surface of the communicating sleeve, the middle of the second filter element protrudes upwards, and the top and the bottom of the auxiliary channel are separated by the second filter element.

Further, retrieve the mechanism including retrieving sleeve and coupling spring, be provided with on the inner wall of accessory channel and press from both sides the groove, the top of second filter core and coupling spring's bottom fixed connection, coupling spring's top is installed in retrieving telescopic inside.

Furthermore, the edge of the second filter element is inserted into the clamping groove to be fixed, and the connecting spring pulls the middle position of the second filter element to the interior of the recovery sleeve.

The utility model has the advantages that: the utility model discloses an automobile-used hydraulic oil filter of fracturing, including the filter body, the filter body includes the shell, advances oil pipe, goes out oil pipe, first check valve, first filtering component, second filtering component, recovery mechanism, annular through hole, sealing ring, supporting spring, first filter core, first baffle, intercommunication sleeve, second check valve, second filter core, recovery sleeve, coupling spring, second baffle, accessory channel, clamp groove, bottom plate, main entrance.

1. This hydraulic oil filter for fracturing unit truck is provided with two independent transfer passage in inside, receives the jam back when first filtering component uses for a long time, can filter through second filtering component, avoids reducing the transport efficiency of hydraulic oil, influences hydraulic system's steady operation.

2. This automobile-used hydraulic oil filter of fracturing unit still blocks up the back at second filtering component, can retrieve the second filter core, and open the passageway directly outwards passes hydraulic oil from second check valve bottom, avoids the condition that hydraulic oil stopped to carry.

3. This automobile-used hydraulic oil filter of fracturing can carry out automatic the retrieving when the second filter core can't continue to use, avoids the transport of the follow-up hydraulic oil of discarded second filter core influence, and prevents that it from producing the condition of jam to the second check valve.

Drawings

Fig. 1 is a schematic structural diagram of the appearance of a hydraulic oil filter for a fracturing truck according to the present invention;

fig. 2 is a schematic structural diagram of the inside of the casing of the hydraulic oil filter for a fracturing truck according to the present invention;

fig. 3 is an exploded view of a hydraulic oil filter communicating sleeve part for a fracturing truck according to the present invention;

fig. 4 is a cross-sectional view of a secondary passage part of a hydraulic oil filter for a fracturing truck according to the present invention;

in the figure: 1. a housing; 2. an oil inlet pipe; 3. an oil outlet pipe; 4. a first check valve; 5. a first filter assembly; 6. a second filter assembly; 7. a recovery mechanism; 8. an annular through hole; 9. a seal ring; 10. a support spring; 11. a first filter element; 12. a first separator; 13. a communicating sleeve; 14. a second check valve; 15. a second filter element; 16. recovering the sleeve; 17. a connecting spring; 18. a second separator; 19. a secondary channel; 20. a clamping groove; 21. a base plate; 22. a main channel.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a fracturing vehicle hydraulic oil filter, includes the filter body, the filter body includes shell 1, first filtering component 5 and second filtering component 6, the top of shell 1 is provided with into oil pipe 2 and play oil pipe 3, the bottom of shell 1 is provided with bottom plate 21, the inboard of shell 1 is provided with main passageway 22, first filtering component 5 is installed to the centre of main passageway 22, the bottom of main passageway 22 is provided with first baffle 12, second filtering component 6 is installed to the bottom of first baffle 12, the central point of second filtering component 6 is provided with auxiliary passage 19, recovery mechanism 7 is installed to auxiliary passage 19's top, and this filter is connected with outside fuel delivery pump through into oil pipe 2, locates inwards to carry hydraulic oil from the oil pipe 2 of both sides, behind first filtering component 5 in the inside of shell 1, the hydraulic oil that can carry out filtration processing to the hydraulic oil that will carry, and along with follow-up oil pressure will be filtered the hydraulic oil outwards discharges from the play oil pipe 3 department at top, be provided with independent check valve in the bottom of advancing oil pipe 2, consequently can restrict inside hydraulic oil outwards to discharge, can only flow to the inside of shell 1 through the check valve in advancing oil pipe 2 department, when first filter core 11 takes place to block up in the first filter pack 5 inside shell 1 and influences the filter effect, can trigger the sealing ring 9 of bottom and flow hydraulic oil from inside second filter pack 6, finally continue to carry out filtration processing under the filtration of second filter pack 6, reach life again until second filter core 15 in second filter pack 6, can directly discharge hydraulic oil from second check valve 14 department, thereby ensure that the hydraulic system of automobile body inside can continue to obtain the replenishment of hydraulic oil, and awaits timely replacement of the filter element.

In this embodiment, the first filter assembly 5 includes the first filter core 11, the first check valve 4 is installed at the bottom end of the oil inlet pipe 2, the second partition 18 is installed at the bottom end of the first filter core 11, the second check valve 14 is installed on the surface of the second partition 18, the second filter assembly 6 is installed below the first filter core 11, the first check valve 4 conveys the hydraulic oil in the oil inlet pipe 2 to the inside of the main passage 22, the second check valve 14 conveys the hydraulic oil in the auxiliary passage 19 to the top of the second partition 18, the top end of the first filter core 11 is fixedly connected with the top of the housing 1, the inside of the first filter core 11 is communicated with the inside of the oil outlet pipe 3, when the hydraulic oil passes through the first check valve 4 from the oil inlet pipe 2 and falls into the housing 1, the hydraulic oil firstly flows into the main passage 22, the outside of the main passage 22 is blocked by the inner wall of the housing 1, the bottom is blocked by first baffle 12 and middle sealing ring 9, and the top is because the effect of first check valve 4 can't flow against the current, consequently can only pass from the first filter core 11 of inboard and flow, can realize filterable effect after passing from first filter core 11, the inside impurity granule of wrapping up in the side of hydraulic oil remains the adhesion on the surface of first filter core 11, prevent that impurity from continuing to flow along with hydraulic oil, the hydraulic oil that flows into first filter core 11 inside is finally discharged from the play oil pipe 3 at top.

In this embodiment, the second filter assembly 6 includes a second filter element 15 and a sealing ring 9, an annular through hole 8 is opened in the middle of the first partition plate 12, a support spring 10 is installed at the bottom end of the sealing ring 9, a communication sleeve 13 is disposed at the bottom end of the inner side of the first partition plate 12, the secondary channel 19 is disposed inside the communication sleeve 13, the top end of the support spring 10 is fixedly connected with the bottom of the sealing ring 9, the bottom end of the support spring 10 is fixedly connected with the surface of the bottom plate 21, the top of the sealing ring 9 is attached to the bottom of the first partition plate 12, the annular through hole 8 is sealed and blocked by the sealing ring 9, a second filter element 15 is installed inside the secondary channel 19, the recovery mechanism 7 is installed above the second filter element 15, when the increase of the service life causes the surface filtering effect of the first filter element 11 to decrease, and when the filtering speed decreases, the pressure in the main channel 22 increases, finally, the sealing ring 9 at the bottom of the first partition plate 12 is subjected to increased hydraulic action to move downwards, the supporting spring 10 at the bottom is compressed to open the annular passage, hydraulic oil which cannot pass through the first filter element 11 in the main passage 22 flows into the vicinity of the communicating sleeve 13, enters the auxiliary passage 19 from a round hole formed in the surface of the communicating sleeve 13, and generates pressure along with the increase of the hydraulic oil in the auxiliary passage 19, the hydraulic oil in the auxiliary passage 19 can pass through the second filter element 15 at the top through the pressure, and then passes through the first filter element 11 from the second check valve 14 on the surface of the second partition plate 18, and therefore the filtering effect is completed.

This embodiment, a plurality of round holes have been seted up on the surface of intercommunication sleeve 13, the centre of second filter core 15 is upwards protruding, and second filter core 15 separates subchannel 19's top and bottom mutually, second filter core 15 through in the subchannel 19 will unable normally carry out filterable hydraulic oil from first filter core 11 and assist the filtration, can reduce filter effect to first filter core 11 and compensate, avoid the internal hydraulic system of car to lack the use of hydraulic oil, and take place the police dispatch newspaper through built-in circuit system when second filtering component 6 triggers, so that in time change whole filter.

In this embodiment, the recycling mechanism 7 includes a recycling sleeve 16 and a connecting spring 17, a clamping groove 20 is provided on an inner wall of the secondary channel 19, a top portion of the second filter element 15 is fixedly connected to a bottom end of the connecting spring 17, a top portion of the connecting spring 17 is installed inside the recycling sleeve 16, an edge of the second filter element 15 is inserted into the clamping groove 20 for fixing, the connecting spring 17 pulls a middle position of the second filter element 15 toward an inside of the recycling sleeve 16, if the second filter element 15 in the second filter assembly 6 is not replaced in time before the end of its service life, the inside of the secondary channel 19 still presents a condition of gradually increasing hydraulic pressure, and finally the internal pressure exceeds the filtering efficiency of the second filter element 15, so as to jack the second filter element 15 upward, pull a side edge of the second filter element 15 out of the clamping groove 20 under the pulling of the connecting spring 17, whole accessory channel 19 presents the open condition this moment, can directly discharge inside hydraulic oil, no longer filters to avoid the outside hydraulic equipment to appear lacking oil and increase the condemned condition of part that rubs and lead to, and the second filter core 15 that is pushed out is pulled under coupling spring 17's effect in retrieving sleeve 16, in order to avoid producing the condition of jam to the second check valve 14 at top.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a fracturing vehicle hydraulic oil filter, includes the filter body, its characterized in that: the filter body includes shell (1), first filtering component (5) and second filtering component (6), the top of shell (1) is provided with into oil pipe (2) and goes out oil pipe (3), the bottom of shell (1) is provided with bottom plate (21), the inboard of shell (1) is provided with main entrance (22), first filtering component (5) are installed to the centre of main entrance (22), the bottom of main entrance (22) is provided with first baffle (12), second filtering component (6) are installed to the bottom of first baffle (12), the central point of second filtering component (6) puts and is provided with accessory channel (19), recovery mechanism (7) are installed on the top of accessory channel (19).

2. The hydraulic oil filter for fracturing truck of claim 1, wherein: first filtering component (5) include first filter core (11), first check valve (4) are all installed to the bottom of advancing oil pipe (2), second baffle (18) are installed to the bottom of first filter core (11), the surface mounting of second baffle (18) has second check valve (14), the below at first filter core (11) is installed in second filtering component (6).

3. The hydraulic oil filter for fracturing truck of claim 2, wherein: first check valve (4) will advance the inside hydraulic oil of oil pipe (2) and carry to the inside of main entrance (22), second check valve (14) are carried the inside hydraulic oil of accessory channel (19) to the top of second baffle (18), the top of first filter core (11) and the top fixed connection of shell (1), the inside of first filter core (11) is linked together with the inside of going out oil pipe (3).

4. The hydraulic oil filter for fracturing truck of claim 2, wherein: second filtering component (6) include second filter core (15) and sealing ring (9), annular through hole (8) have been seted up to the centre of first baffle (12), supporting spring (10) are installed to the bottom of sealing ring (9), the inboard bottom of first baffle (12) is provided with intercommunication sleeve (13), accessory channel (19) set up the inside at intercommunication sleeve (13).

5. The hydraulic oil filter for fracturing cars of claim 4, wherein: the top of supporting spring (10) and the bottom fixed connection of sealing ring (9), the bottom of supporting spring (10) and the fixed surface of bottom plate (21) are connected, the top of sealing ring (9) is laminated with the bottom of first baffle (12), and sealing ring (9) are with annular through-hole (8) shutoff, the internally mounted of accessory channel (19) has second filter core (15), retrieve the top at second filter core (15) and install in mechanism (7).

6. The hydraulic oil filter for fracturing truck of claim 5, wherein: a plurality of round holes are formed in the surface of the communicating sleeve (13), the middle of the second filter element (15) protrudes upwards, and the top and the bottom of the auxiliary channel (19) are separated by the second filter element (15).

7. The hydraulic oil filter for fracturing truck of claim 5, wherein: retrieve mechanism (7) including retrieving sleeve (16) and coupling spring (17), be provided with on the inner wall of accessory channel (19) and press from both sides groove (20), the bottom fixed connection of the top of second filter core (15) and coupling spring (17), the inside at retrieving sleeve (16) is installed at the top of coupling spring (17).

8. The hydraulic oil filter for fracturing truck of claim 7, wherein: the edge of the second filter element (15) is inserted into the clamping groove (20) for fixing, and the connecting spring (17) pulls the middle position of the second filter element (15) to the interior of the recovery sleeve (16).