CN217067997U - Filter press and gearbox filter equipment - Google Patents

Abstract

The utility model relates to a filter equipment's field discloses a pressure filter, and it includes that one end has open casing to and install the filter core in the casing inside, and the both ends of filter core are uncovered, the uncovered intercommunication with the uncovered of casing of one end of filter core, and uncovered the installing the bypass valve in the other end of filter core, install the filter screen that is used for filtering fluid on the bypass valve. This application has and improves the long-time back of using of pressure filter, and the filter core appears blockking up and leads to the pressure filter speed slower, and then leads to the not enough effect of fluid supply.

Description

Filter press and gearbox filter equipment

Technical Field

The application relates to the field of filter devices, in particular to a filter press and a gearbox filter device.

Background

The gearbox is the gear box that changes drive ratio and direction of motion, in order to guarantee the normal operating of the internal gear of gearbox, can pour into fluid into in the gearbox, and fluid can store up in the bottom of gearbox finally. Because the temperature of the oil liquid is increased due to the rotation of the gear, the oil liquid needs to be cooled by the oil cooler and then is continuously utilized.

In the related art, the used oil contains impurities due to the abrasion of the gears and the like, the impurities can continuously abrade the gears to influence the rotation of the gears, and therefore the oil cooled in the oil cooler can enter the pressure filter for filtering. Be provided with the filter core in the pressure filter, the one end of filter core be with the uncovered of the inside intercommunication of gearbox, the space between pressure filter casing and the filter core can be got into to refrigerated fluid, inside fluid will get into the filter core after the filtration of filter core, the rethread crosses the open end outflow of filter core to the gearbox in.

In view of the above-mentioned related art, the inventors thought that when the filter press is used for a long time, the filter element is clogged, and further, the oil is not supplied sufficiently due to the slow filtering speed of the filter press.

SUMMERY OF THE UTILITY MODEL

After using for a long time in order to improve the pressure filter, the filter core appears blockking up and leads to the pressure filter speed slower, and then leads to the not enough condition of fluid supply, this application provides a pressure filter and gearbox filter equipment.

In a first aspect, the present application provides a filter press and gearbox filter device, which adopts the following technical scheme:

the utility model provides a filter-press, has open casing including one end to and install the filter core in the casing inside, the both ends of filter core are uncovered, the uncovered intercommunication with the uncovered of casing of one end of filter core, at the uncovered bypass valve of installing of the other end of filter core, install the filter screen that is used for filtering fluid on the bypass valve.

By adopting the technical scheme, after the filter press is used for a long time, impurities can be accumulated on the filter element, the filter element can be blocked by the impurities accumulated on the filter element, the filtering capacity of the filter element can be reduced, the pressure difference can occur between the inside and the outside of the filter element, the bypass valve is opened under the action of the pressure difference, after the bypass valve is opened by the pressure difference, part of oil can flow to the filter screen, and the part of oil can directly flow out of the filter press after being filtered by the filter screen and is discharged into the gearbox; therefore, the oil content in the gearbox can be guaranteed, the normal operation of the gear is guaranteed, the oil can be filtered, and the content of impurities in the oil is reduced.

Optionally, a support seat is arranged at one end of the filter element far away from the opening of the shell, an installation block is integrally formed on the support seat, and an installation groove is formed in the peripheral surface of the installation block along the circumferential direction of the installation block;

the periphery of the filter screen is provided with a support ring, and the inner peripheral wall of the support ring is provided with a strip-shaped block embedded in the mounting groove.

Through adopting above-mentioned technical scheme, the filter screen is connected for the inlay card with the supporting seat for the filter screen can be stable install on the supporting seat, also convenient to detach makes things convenient for the staff to change simultaneously, can effectively improve work efficiency, reduction operating cost.

Optionally, the mounting blocks are arranged at intervals along the circumferential direction of the supporting seat at least in a plurality, and the bar-shaped blocks are arranged at intervals along the circumferential direction of the supporting ring in a plurality.

Through adopting above-mentioned technical scheme, when guaranteeing that support ring and supporting seat are connected stably, can practice thrift manufacturing material, reduction in production cost also can reduce the weight of part simultaneously, the installation of being convenient for.

Optionally, a support plate is arranged on the inner circumferential wall of the support ring, and a support end of the support plate is fixedly connected to the inner circumferential wall of the support ring.

Through adopting above-mentioned technical scheme, the backup pad can strengthen the service strength of filter paper, prolongs the life of filter paper, reduces the change frequency, and then reduces cost of maintenance.

Optionally, a support column is further arranged on the support plate, one end of the support column is fixedly connected to the support plate, and the other end of the support column can be abutted to the support seat.

By adopting the technical scheme, the support columns can enhance the use strength of the filter paper, prolong the service life of the filter paper, reduce the replacement frequency and further reduce the maintenance cost; meanwhile, the supporting columns can form a flowing space for oil to flow between the filter paper and the bypass valve, and the blocking possibility is reduced.

Optionally, the end of the casing away from the opening is a protruding end, and a positioning groove for inspecting the installation state of the filter press is formed in the side wall of the protruding end.

By adopting the technical scheme, when the filter press is installed, a worker manually installs the filter press on the gearbox, then the filter press is automatically installed, the installation wrench is provided with the sensor, after the filter press reaches the installation position, the sensor on the installation wrench can sense the position of the positioning groove, if the positioning groove is at the set position, the installation wrench drives the filter press to rotate in the forward direction, the filter press is rotated for the set number of turns, and the filter press is screwed down; if the mounting groove deviates from the set position, the mounting wrench rotates reversely until the positioning groove reaches the set position, and then mounting is carried out. Because the pressure in the gearbox is higher, when the filter press is not completely matched with the gearbox and the connection is unstable, the filter press is easily separated from the gearbox and breaks down, the positioning groove can effectively improve the stability and reliability of the connection of the filter press and the gearbox, and the possibility of the breakdown of the filter press is reduced.

Optionally, the filter screen body is woven by metal.

Through adopting above-mentioned technical scheme, the filter screen working strength of metal establishment is high, can effectively prolong the life of filter screen, reduces cost of maintenance.

In a second aspect, the technical scheme is that the gearbox filtering device comprises a pressure filter, an oil cooler, an oil passing seat communicated with the oil cooler and an oil passing passage, wherein an oil inlet pipe and an oil outlet pipe are arranged on the oil passing seat, and the pressure filter is arranged on the oil passing seat;

the oil inlet pipe is communicated with the oil cooler, one end of the filter press is communicated with the oil cooler, the other end of the filter press is communicated with the oil passing passage, and the other end of the oil passing passage is communicated with the oil outlet pipe.

Through adopting above-mentioned technical scheme, when using filter equipment, fluid flows to the oil cooler in through the oil feed pipe, flows to filter-press department after the cooling of oil cooler, and fluid is located the space between casing and the filter core this moment, and inside through the filtration of filter core and/or filter screen, flow into the filter core, then through the oil passageway to and go out in oil pipe flows into the gearbox once more.

Optionally, an installation seat for installing the filter press is arranged on the oil filter seat, a clamping piece is arranged on the installation seat, and a clamping surface in interference fit with the clamping piece is machined and formed on the outer peripheral surface of the filter press.

Through adopting above-mentioned technical scheme, clamping face and fastener interference fit, when revolving the pressure filter soon, the clamping face makes being connected of pressure filter and mount pad more stable with the cooperation of fastener to can effectively reduce the incidence of trouble.

Optionally, a plurality of rib plates are arranged on the oil passing base.

In summary, the present application includes at least one of the following beneficial technical effects:

by arranging the shell, the filter element, the bypass valve and the filter screen, the content of oil in the gearbox can be guaranteed, the normal operation of the gear is guaranteed, the oil can be filtered, and the content of impurities in the oil is reduced;

due to the arrangement of the mounting block and the support ring, the mounting block is convenient to detach, and is convenient for workers to replace, so that the working efficiency can be effectively improved, and the working cost is reduced;

the installation block is provided with a plurality of at least along the circumference interval of supporting seat through setting up, and the bar piece is provided with a plurality ofly along the circumference interval of support ring, reduction in production cost also can reduce the weight of part simultaneously, the installation of being convenient for.

Drawings

FIG. 1 is a schematic view of the structure of a filter press.

FIG. 2 is a partial structural view of a filter press.

Fig. 3 is a schematic view of the structure of the screen.

Fig. 4 is a schematic structural diagram of a gearbox filter device.

Fig. 5 is a partially enlarged schematic view of a portion a in fig. 4.

Fig. 6 is a schematic structural view of the oil cooler.

FIG. 7 is a partial cross-sectional view of a transmission filter assembly.

FIG. 8 is a partial cross-sectional view from another perspective of the transmission filter assembly.

Description of reference numerals: 1. an oil passing seat; 11. a mounting seat; 111. a fastener; 1111. clamping the lip; 2. an oil cooler; 21. an oil inlet hole; 22. an oil outlet hole; 23. a water passing component; 231. a water inlet pipe; 232. a water outlet pipe; 3. an oil inlet pipe; 4. an oil outlet pipe; 5. an oil passing path; 6. a filter press; 61. a housing; 62. a raised end; 621. positioning a groove; 63. a filter element; 631. a supporting seat; 632. mounting a block; 6321. mounting grooves; 64. a bypass valve; 65. filtering with a screen; 651. a support ring; 652. a filter screen body; 653. a bar-shaped block; 654. a support plate; 655. a supporting circular plate; 656. a support pillar; 66. an engaging surface.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses filter-press and gearbox filter equipment.

The first embodiment is as follows:

referring to fig. 1 and 2, a filter press includes a housing 61, and a filter element 63 installed inside the housing 61, wherein one end of the housing 61 is a convex end 62, and the other end is an open end. The circumference of the protruding end 62 is hexagonal, and a positioning groove 621 is formed on one side wall of the protruding end 62. When the filter press 6 is installed, a worker manually installs the filter press 6 on the gearbox, then an installation wrench is used for automatic installation, a sensor is arranged on the installation wrench, after the filter press 6 reaches an installation position, the sensor on the installation wrench can sense the position of the positioning groove 621, if the positioning groove 621 is matched with the set position on the sensor, the installation wrench drives the filter press 6 to rotate forwards, the filter press 6 rotates for a set number of turns, and the filter press 6 is screwed down; if the positioning groove 621 deviates from the predetermined position, the installation wrench rotates in the reverse direction until the positioning groove 621 reaches the predetermined position, and then the installation is performed. Because the pressure in the gearbox is great, therefore when filter press 6 and gearbox are not complete cooperation, connect unstable, very easily appear filter press 6 and gearbox break away from, break down, the stability and the reliability that the constant head tank 621 can effectively improve filter press 6 and gearbox and be connected reduce the possibility that filter press 6 breaks down.

Referring to fig. 2, both ends of the filter element 63 are open ends, one open end of the filter element 63 is communicated with the open end of the housing 61, a bypass valve 64 is installed at the other open end of the filter element 63, and a filter screen 65 is provided on the bypass valve 64. The oil outlet end of the bypass valve 64 communicates with the open end of the housing 61, the oil inlet end of the bypass valve 64 communicates with the space between the housing 61 and the filter element 63, and the strainer 65 is provided at the oil inlet end of the bypass valve 64.

Referring to fig. 2, a support base 631 is provided on an outer end surface of one end of the filter element 63 to which the bypass valve 64 is attached, and three attachment blocks 632 are integrally formed on an end surface of the support base 631, the end surface of the support base 631 having a circular shape, and the three attachment blocks 632 are provided at equal angular intervals in a circumferential direction of the end surface of the support base 631. The mounting block 632 is arc-shaped, and a mounting groove 6321 is formed in the outer circumferential surface of each mounting block 632 along the circumferential direction of the mounting block 632.

Referring to fig. 2 and 3, the filter screen 65 includes a support ring 651, a filter screen body 652 mounted on the support ring 651, and bar-shaped blocks 653 disposed on an inner peripheral wall of the support ring 651 at intervals in a circumferential direction of the support ring 651. The filter screen body 652 is woven by metal wires, the number of the strip-shaped blocks 653 is 6, and the strip-shaped blocks 653 can be embedded in the installation grooves 6321. A bar-shaped support plate 654 is further provided on the support ring 651, and three support plates 654 are provided, the three support plates 654 being disposed on the inner wall of the support ring 651 at equal angles in the circumferential direction of the support ring 651. The support ends of the three support plates 654 are all fixedly connected to the inner peripheral wall of the support ring 651, a support circular plate 655 is arranged at the other end of the three support plates 654, and the ends of the three support plates 654 far away from the support ends are all fixedly connected to the support circular plate 655. A support column 656 is vertically arranged on each support plate 654, one end of the support column 656 is fixedly connected to the support plate 654, and the other end can be abutted against the support seat 631. The three support columns 656 are at the same distance from the center of the circular support plate 655.

With reference to fig. 1 and 2, when the filter press 6 is used, oil firstly enters the space between the housing 61 and the filter element 63, and after being filtered by the filter element 63, the oil enters the interior of the filter element 63, and the filtered oil enters the transmission again through the open end of the filter element 63. After long-time use, the filter element 63 is provided with more accumulated impurities, the filtering performance of the filter element 63 is reduced, at the moment, pressure difference can occur inside and outside the filter element 63, the bypass valve 64 is opened due to the pressure difference, at the moment, partial oil passes through the filter screen 65, directly flows into the filter element 63 after being filtered by the filter screen 65, and then enters the gearbox again.

The implementation principle of the filter press and the gearbox filtering device in the embodiment of the application is as follows: after the filter element 63 is blocked, pressure difference can occur inside and outside the filter element 63, the bypass valve 64 is opened under the action of the pressure difference, the bypass valve 64 is opened by the pressure difference, partial oil can flow to the filter screen 65 after the bypass valve 64 is opened, and the oil is discharged into the gearbox after being filtered by the filter screen 65, so that the effect of improving insufficient oil supply is achieved.

Example two:

referring to fig. 4, a transmission filter device includes a filter press 6 according to the first embodiment. The gearbox filtering device comprises an oil cooler 2, an oil passing seat 1 connected with the oil cooler 2, an oil inlet pipe 3 and an oil outlet pipe 4 which are integrally formed on the oil passing seat 1, and an oil passing passage 5 which is integrally formed on the oil passing seat 1. One end of the oil inlet pipe 3 is communicated with the gearbox, the other end of the oil inlet pipe is communicated with the oil inlet end of the oil cooler 2, one end of the oil outlet pipe 4 is communicated with the gearbox, and the other end of the oil outlet pipe is communicated with the oil outlet end of the oil passing passage 5.

The filter press 6 is installed on the oil passing base 1 and communicated with the oil inlet end of the oil passing passage 5. A plurality of ribbed plates are arranged on the surface of the oil passing base 1 to enhance the use strength of the oil passing base 1.

With reference to fig. 4 and 5, a mounting seat 11 for mounting the filter press 6 is further integrally formed on the oil passing seat 1, a clamping piece 111 is integrally formed on the outer peripheral wall of the mounting seat 11, the clamping piece 111 is block-shaped, and an arc-shaped clamping lip 1111 is formed on the side wall of the clamping piece 111 away from the outer wall of the mounting seat 11. Two clamping surfaces 66 protruding from the outer wall of the shell 61 are symmetrically formed on the outer peripheral wall of the shell 61 in a machining mode, the clamping surfaces 66 are arc-shaped surfaces, the arc-shaped clamping surfaces 66 are in interference fit with the clamping pieces 111, and when the filter press 6 is screwed, the filter press 6 is more stably connected with the mounting seat 11 due to the matching of the clamping surfaces 66 and the clamping pieces 111, so that the occurrence rate of faults can be effectively reduced.

Combine fig. 4 and fig. 6, install on oil cooler 2 and cross water subassembly 23, cross water subassembly 23 and include inlet tube 231 to and outlet pipe 232, inlet tube 231 all is the L type and sets up the homonymy at oil cooler 2 with outlet pipe 232, the one end of inlet tube 231 and outlet pipe 232 all communicates with oil cooler 2 is inside, inlet tube 231 sets up in oil cooler 2's two opposite corners department with outlet pipe 232 relatively, the orientation of the water inlet of inlet tube 231 and the water inlet of outlet pipe 232 is unanimous. The water inlet end of the water inlet pipe 231 is higher than the water outlet end of the water outlet pipe 232, so that the water circulation in the oil cooler flows more rapidly, and the cooling efficiency of oil liquid can be effectively accelerated.

Referring to fig. 6, an oil inlet 21 and an oil outlet 22 are opened on a side of the oil cooler 2 away from the water passing assembly 23, and the oil inlet 21 and the oil outlet 22 are oppositely opened at two opposite corners of the oil cooler 2.

Referring to fig. 7 and 8, the oil inlet 21 communicates with the oil inlet pipe 3, and the oil outlet 22 communicates with the oil outlet pipe 4. The axis of the oil inlet pipe 3 is vertical to the plate surface of the oil outlet seat.

Referring to fig. 4 and 8, the oil outlet 22 communicates with the mount 11, one end of the oil passage 5 communicates with the mount 11, and the other end communicates with the oil outlet pipe 4. After the pressure filter 6 is installed, the oil outlet 22 is communicated with the space between the shell 61 and the filter element 63, the pressure filter 6 is communicated with the oil outlet end of the installation seat 11, oil flows out from the oil outlet 22, enters the space between the shell 61 and the filter element 63, directly flows into the oil passage 5 after being filtered, flows to the oil outlet pipe 4 through the oil passage, and flows into the pressure filter 6 again.

The implementation principle of the filter press and the gearbox filtering device in the embodiment of the application is as follows: when the filtering device is used, water is supplied to the oil cooler 2 through the water passing assembly 23, and then the oil is cooled, the oil flows to the oil inlet 21 through the oil inlet pipe 3 and enters the oil cooler 2 through the oil inlet 21, the oil flows to the oil outlet 22 after being cooled by the oil cooler 2, the oil is located in a space between the shell 61 and the filter element 63 at the moment, and flows into the filter element 63 after being filtered by the filter element 63 and/or the filter screen 65, and then flows into the gearbox through the oil passing passage 5, and the oil outlet pipe 4 flows into the gearbox again.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a filter-press, includes that one end has open casing (61) to and install filter core (63) inside casing (61), the both ends of filter core (63) are uncovered, the uncovered intercommunication with the uncovered of casing (61) of one end of filter core (63), its characterized in that: a bypass valve (64) is installed at the other end opening of the filter element (63), and a filter screen (65) for filtering oil is installed on the bypass valve (64).

2. A pressure filter according to claim 1, wherein: a support seat (631) is arranged at one end, away from the opening of the shell (61), of the filter element (63), an installation block (632) is integrally formed on the support seat (631), and an installation groove (6321) is formed in the peripheral surface of the installation block (632) along the circumferential direction of the installation block (632);

a support ring (651) is provided on the outer periphery of the screen (65), and a bar-shaped block (653) fitted in the mounting groove (6321) is provided on the inner peripheral wall of the support ring (651).

3. A filter press according to claim 2, wherein: the mounting blocks (632) are arranged at intervals along the circumferential direction of the supporting seat (631), and the bar-shaped blocks (653) are arranged at intervals along the circumferential direction of the supporting ring (651).

4. A filter press according to claim 3, wherein: a support plate (654) is arranged on the inner peripheral wall of the support ring (651), and the support end of the support plate (654) is fixedly connected to the inner peripheral wall of the support ring (651).

5. A filter press according to claim 4, wherein: a support column (656) is further arranged on the support plate (654), one end of the support column (656) is fixedly connected to the support plate (654), and the other end of the support column (656) can be abutted against the support seat (631).

6. A pressure filter according to claim 1, wherein: the end of the shell (61) far away from the opening is a convex end (62), and a positioning groove (621) used for detecting the installation state of the filter press (6) is arranged on the side wall of the convex end (62).

7. A pressure filter according to claim 1, wherein: the filter screen body (652) is made of metal.

8. A transmission filter assembly comprising the filter press of any one of claims 1 to 7, wherein: the oil cooler comprises an oil cooler (2), an oil passing seat (1) communicated with the oil cooler (2), and an oil passing passage (5), wherein an oil inlet pipe (3) and an oil outlet pipe (4) are arranged on the oil passing seat (1), and a pressure filter (6) is arranged on the oil passing seat (1);

the oil inlet pipe (3) is communicated with the oil cooler (2), one end of the filter press (6) is communicated with the oil cooler (2), the other end of the filter press is communicated with the oil passage (5), and the other end of the oil passage (5) is communicated with the oil outlet pipe (4).

9. A transmission filter assembly according to claim 8 wherein: an installation seat (11) for installing the filter press (6) is arranged on the oil passing seat (1), a clamping piece (111) is arranged on the installation seat (11), and a clamping surface (66) in interference fit with the clamping piece (111) is machined and formed on the outer peripheral surface of the filter press (6).

10. A transmission filter assembly according to claim 8 wherein: a plurality of ribbed plates are arranged on the oil passing base (1).

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