CN214063463U

CN214063463U - Air filtering device for hydraulic power unit of wing spreading vehicle

Info

Publication number: CN214063463U
Application number: CN202023340715.1U
Authority: CN
Inventors: 宋巍; 徐敏亚
Original assignee: Changzhou Enrong Hydraulic Technology Co ltd
Current assignee: Changzhou Enrong Hydraulic Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-27
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to an air filter for exhibition wing car hydraulic power unit, belong to hydraulic system's field, this air filter installs on the oil tank, including filtering the casing, air filter, oil filler seat and refuel filter element, it is provided with the fender oil part to filter between casing and the oil filler seat, it includes main fender oil board to keep off the oil part, main fender oil board is installed in the bottom that filters the casing and is close to the oil filler seat, air filter is located the top of main fender oil board, the direction protrusion towards the oil filler seat of main fender oil board forms the taper shape, a plurality of first air vents have been seted up on the main fender oil board, a plurality of first air vents are arranged along the circumference of main fender oil board and are formed the portion of ventilating, the fixed first supplementary fender oil ring that is provided with of border department that the main fender oil board is close to filtering the casing, first supplementary fender oil ring is located the bottom of the portion of ventilating. This application makes air filter difficult to be drenched by fluid, has ensured air filter's good performance for the effect of the operation work that hydraulic power unit can be stable for a long time.

Description

Air filtering device for hydraulic power unit of wing spreading vehicle

Technical Field

The application relates to the field of hydraulic systems, in particular to an air filtering device for a hydraulic power unit of a wing-unfolding vehicle.

Background

The wing-spreading vehicle is an improvement of common van-type vehicle, also called wing-flying vehicle, and is a special vehicle capable of opening wing plates on two sides of the carriage by means of power spring, manual device or hydraulic device. The transportation tool has the advantages of high loading and unloading speed, high efficiency, side loading and unloading and the like, and is a very popular transportation tool for modern logistics enterprises. The hydraulic power unit is used as an oil supply device and is connected with a plurality of hydraulic oil cylinders through an external pipeline system to control the opening and closing of wing plates of the wing unfolding vehicle.

Referring to fig. 1, the related hydraulic power unit comprises a motor 1, an oil tank 2, an oil pump, a central valve block 3 and a reversing valve group 4, wherein the oil pump is installed in the oil tank, an oil suction port of the oil pump is communicated with the oil tank 2, the motor 1 is connected with the oil pump, the central valve block 3 is located between a gear oil pump and the motor 1, the gear oil pump is communicated with the reversing valve group 4 through the central valve block 3, the reversing valve group 4 is communicated with a hydraulic oil cylinder outside the installation box body through an oil pipe, and oil in the oil tank 2 enters the hydraulic oil cylinder through the central valve block 3 and the reversing valve group 4 in the suction phase of the oil pump. An air filtering device 5 is installed at the top of the oil tank 2, and the air filtering device 5 is used for filtering impurities such as dust in air entering the oil tank 2 so as to keep the oil in the oil tank 2 clean and prolong the working period and the service life of the oil and the hydraulic power unit.

In view of the above-mentioned related technologies, the inventor thinks that the oil in the oil tank can rock and splash when the exhibition wing car is in the driving process, thereby the air filter of the air filter device is easily wetted by the oil, causes the air filter to block up, reduces the performance of the air filter device.

SUMMERY OF THE UTILITY MODEL

In order to improve the easy fluid that rocks of air cleaner and drench, cause the problem of air filter jam, this application provides an air cleaner for exhibition wing car hydraulic power unit.

The application provides an air filter for exhibition wing car hydraulic power unit adopts following technical scheme:

an air filtering device for a hydraulic power unit of a wing-spreading vehicle is arranged on an oil tank and comprises a filtering shell, an air filter element, an oil filler seat and an oil filling filtering component, wherein the air filter element, the oil filler seat and the oil filling filtering component are arranged in the oil filler seat, the filtering shell and the oil filler seat are detachably connected, an oil blocking component is arranged between the filtering shell and the oil filler seat and comprises a main oil blocking plate, the main oil blocking plate is arranged at the bottom of the filtering shell close to the oil filler seat, the air filter element is arranged at the top of the main oil blocking plate, the main oil blocking plate protrudes towards the oil filler seat to form a conical shape, a plurality of first air holes are formed at the edge of the main oil blocking plate close to the filtering shell, the first air holes are distributed along the circumferential direction of the main oil blocking plate to form an air ventilation part, and a first auxiliary oil blocking ring is fixedly arranged at the edge of the main oil blocking plate close to the filtering shell, the first auxiliary slinger is located at the bottom of the breather portion.

Through adopting above-mentioned technical scheme, when fluid rocks in the oil tank and splashes, main fender oilboard and first supplementary fender oil ring block the fluid that splashes for the fluid that splashes is difficult for entering into in the air cleaner. The ventilation part is arranged, so that outside air can enter the oil tank; the first auxiliary oil scraper ring is arranged at the bottom of the ventilation part, so that the possibility that splashed oil enters the air filter element from the ventilation part is reduced, and the oil blocking effect is improved; the main oil scraper ring is the toper of sinking for fluid that splashes on the main oil baffle can be faster drips from the main oil baffle, with the good effect of blockking of guarantee main oil baffle to fluid, and then has ensured air filter's good performance, makes the operation work that hydraulic power unit can be stable for a long time.

Optionally, the filtering shell comprises an installation shell and a cap body in threaded connection with the installation shell, the cap body is located at the top of the installation shell, the installation shell is internally divided into a filter element installation cavity for installing an air filter element and an oil blocking installation cavity for installing an oil blocking component, the diameter of the filter element installation cavity is larger than that of the oil blocking installation cavity, a step surface is formed at the joint of the filter element installation cavity and the oil blocking installation cavity, and a plurality of secondary air vents are formed in the step surface of the installation shell.

By adopting the technical scheme, the arrangement of the cap body plays a certain role in protecting the filtering shell and the air filter element arranged on the filtering shell; the second grade air vent makes in the air in the external world can enter into the oil tank, and the diameter of filter core installation cavity is greater than the diameter of keeping off the oil installation cavity, increases the route through air filter of air to improve the filtering effect to impurity in the air.

Optionally, a second auxiliary oil slinger is fixedly arranged at the edge of the main oil slinger close to the filtering shell, and the second auxiliary oil slinger is positioned at the top of the ventilation part.

Through adopting above-mentioned technical scheme, when the fluid that splashes in the oil tank by-pass first supplementary oil baffle ring and enter into the top of main oil baffle plate through first air vent, the supplementary oil baffle ring of second carries out further blockking and interception to fluid for fluid is difficult for being close air cleaner, ensures the good filtering effect of air cleaner.

Optionally, an oil dripping pipe is vertically arranged at one end, facing the oil filler seat, of the main oil baffle plate, the oil dripping pipe is fixedly connected with the middle of the main oil baffle plate, an oil dripping hole is formed in the oil dripping pipe along the axial direction of the oil dripping pipe, and the main oil baffle plate penetrates through the oil dripping hole.

By adopting the technical scheme, the oil entering the top of the main oil baffle is blocked and intercepted by the second auxiliary oil baffle ring and drops on the upper surface of the main oil baffle, and the part of oil flows into the oil dripping pipe along the gradient of the main oil baffle and flows back into the oil tank from the oil dripping port of the oil dripping pipe. And the fluid that splashes to main fender oil board bottom also can be along oil drip pipe's outer wall in the oil return case to accelerated the speed that the fluid that splashes on the main fender oil board drips from main fender oil ring, with the good effect of blockking of guarantee main fender oil board to fluid, and then ensured air cleaner's good performance.

Optionally, a placing plate is fixedly connected to the top of the second auxiliary oil slinger, the air filter element is placed on the placing plate, and a third vent hole is formed in the middle of the placing plate.

By adopting the technical scheme, the placing plate is used for carrying the air filter element, so that the air filter element is not in direct contact with the second auxiliary oil retainer, and splashed oil is not easy to fly into the air filter element; the setting of third through-air hole for the air external world can enter into the oil tank, and the position of third through-air hole is located the middle part of placing the board, increases the route of air through air filter, thereby improves filtering effect.

Optionally, the inner wall of the filter housing close to the main oil baffle is connected with a connecting ring plate in a threaded manner, and the main oil baffle, the first auxiliary oil baffle ring and the second auxiliary oil baffle ring are all fixedly connected with the connecting ring plate.

Through adopting above-mentioned technical scheme, be convenient for keep off the oil part and filter and dismantle between the casing to when keeping off the oil part or filter the casing and appear damaging, be convenient for change the maintenance.

Optionally, refuel filter element and include the circular shape bottom plate and center on the oil filter screen board on the bottom plate perpendicularly, the fixed link plate that is provided with in the outside along week of oil filter screen board, the link plate is located the bottom of filler neck seat, set up a plurality of one-level connecting holes that are used for being connected with the oil tank on the filler neck seat, the corresponding second grade connecting hole of seting up with each one-level connecting hole looks adaptation on the link plate, filler neck seat and link plate butt.

Through adopting above-mentioned technical scheme, when oiling in the oil tank, the oil strain otter board can carry out the filtration separation to the impurity in the fluid, improves the cleanliness of fluid in the oil tank to make the operation that hydraulic power unit can be good steady. Refuel the filter element and hang through the link plate and establish on the oil tank to fix through oil filler hole seat and oil tank, when refuel the filter element and block up or damage, be convenient for install and dismantle refueling the filter element. The first-level connecting hole and the second-level connecting hole are convenient for installing the oil filler seat on the oil tank.

Optionally, the hanging plate is close to the one side of oil filler hole seat and is kept away from all the bonding on the one side of oil filler hole seat and be fixed with sealed the pad.

Through adopting above-mentioned technical scheme, improve the leakproofness of being connected between filler socket and the oil tank support for fluid in the oil tank is difficult for revealing from the gap between filler socket and the link plate.

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

1. by arranging the main oil baffle plate and the first auxiliary oil baffle ring, the air filter element is not easily wetted by oil, the good performance of the air filter device is ensured, and the hydraulic power unit can stably operate for a long time;

2. the second auxiliary oil scraper ring is arranged to further block and intercept oil, so that the oil is not easy to approach the air filter element, and the good filtering effect of the air filter element is guaranteed;

3. through setting up oil drip pipe for splash like the fluid on main oil scraper ring top and ground can flow back to the oil tank in, with the good interception effect that blocks of guarantee fender oil part to fluid.

Drawings

Fig. 1 is a schematic view of the overall structure of a hydraulic power unit in the related art.

Fig. 2 is a schematic overall structure diagram of an air cleaner device for a hydraulic power unit of a wing-spreading vehicle according to an embodiment of the present application.

Fig. 3 is a sectional view taken along line a-a of fig. 2.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

Fig. 5 is an exploded view of an air cleaner assembly for a hydraulic power unit of a wing-spreading vehicle according to an embodiment of the present disclosure.

Description of reference numerals: 1. a motor; 2. an oil tank; 3. a central valve block; 4. a reversing valve group; 5. an air filtration device; 51. a filter housing; 511. installing a shell; 512. a cap body; 513. a filter element installation cavity; 514. an oil blocking mounting cavity; 515. a second vent hole; 52. an air filter element; 53. a fuel filler seat; 531. a primary connecting hole; 54. an oil retaining member; 541. a main oil baffle plate; 5411. a first vent hole; 542. a first auxiliary oil slinger; 543. a second auxiliary oil slinger; 544. placing the plate; 5441. a third vent hole; 545. a connecting ring plate; 546. an oil dripping pipe; 55. a refueling filter component; 551. a base plate; 552. an oil filter screen plate; 553. hanging the plate; 5531. a secondary connecting hole; 554. and a gasket.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses an air filter device for a hydraulic power unit of an wing-unfolding vehicle. Referring to fig. 1 and 2, an air cleaner assembly for a hydraulic power unit of a wing-spreading vehicle includes a filter housing 51, an air filter 52, an oil blocking member 54, a filler neck seat 53, and a filler filter member 55. Wherein, air filter element 52 and fender oil part 54 are all installed in filtering shell 51, and air filter element 52 filters the impurity in the air of business turn over in the oil tank 2, and fender oil part 54 blocks the fluid that splashes in the oil tank 2. In the embodiment, the air filter element adopts the copper-based powder metallurgy sintered filter sheet, and compared with a nonmetal filter, the air filter element has the advantages of stable filtering precision, high strength and strong plasticity, and can bear thermal stress and impact and normally work at high temperature. Refuel filter element 55 and install the bottom at filler seat 53, carry out the filtering separation to the impurity of pouring into in the oil tank 2 fluid, the cleanliness of the interior fluid of guarantee oil tank 2. The oil filler seat 53 is arranged on the top wall of the oil tank 2 and communicated with the oil tank 2, and the filter shell 51 is in threaded connection with the oil filler seat 53.

Referring to fig. 3 and 4, the filter housing 51 includes a mounting housing 511 and a cap body 512, the mounting housing 511 axially penetrates, and the interior of the mounting housing 511 is divided into a filter element mounting chamber 513 and an oil blocking mounting chamber 514 from top to bottom. The cartridge mounting chamber 513 is adapted to mount the air cartridge 52 and the oil retainer chamber 514 is adapted to be coupled to the oil retainer 54. The diameter of filter core mounting chamber 513 is greater than the diameter of keeping off oil mounting chamber 514, and the handing-over department of filter core mounting chamber 513 and keeping off oil mounting chamber 514 is formed with the step face, has seted up a plurality of second vent 515 on the step face of installation casing 511, and a plurality of second vent 515 are evenly arranged along the circumference of installation casing 511, and each second vent 515 all communicates with the inside of installation casing 511. The cap body 512 is located at the top of the installation housing 511, and the cap body 512 is in threaded connection with the outer wall of the installation housing 511 close to the filter element installation cavity 513.

Referring to fig. 3 and 4, the oil deflector 54 includes a main oil deflector 541, a first auxiliary oil deflector ring 542, a second auxiliary oil deflector ring 543, and a connecting ring plate 545. The connection ring plate 545 is screw-coupled to an inner wall of the mounting case 511 adjacent to the filter cartridge mounting chamber 513, and the main oil deflector 541, the first auxiliary oil deflector 542, and the second auxiliary oil deflector 543 are located on the connection ring plate 545 and are integrally formed with the connection ring plate 545. The main oil deflector 541 protrudes toward the filler seat 53 to form a conical shape, so that oil slides off the main oil deflector 541. An oil dripping pipe 546 is integrally formed at the bottom of the main oil baffle 541, the oil dripping pipe 546 is connected with the center of the main oil baffle 541, and oil dripping holes are formed in the oil dripping pipe 546 along the axial direction of the oil dripping pipe 546 and penetrate through the main oil baffle 541. The main oil baffle 541 is provided with a plurality of first vent holes 5411 near the circumferential edge of the connecting ring plate 545, and the plurality of first vent holes 5411 are arranged along the circumferential direction of the main oil baffle 541 to form a vent part, so that outside air can circulate in the oil tank 2. The first auxiliary oil slinger 542 is located at the bottom of the main oil slinger 541 near the ventilation portion, and the second auxiliary oil slinger 543 is located at the top of the main oil slinger 541 near the ventilation portion. The top of the second auxiliary oil slinger 543 is provided with a placing plate 544, the placing plate 544 and the connecting ring are integrally formed, the air filter element 52 is located on the placing plate 544, and the middle of the placing plate 544 is provided with a third vent hole 5441.

Referring to fig. 4 and 5, the oil filler seat 53 is in threaded connection with the outer wall of the mounting housing 511 close to the oil blocking mounting cavity 514, and the oil filler seat 53 is provided with a plurality of first-level connection holes 531 for connecting with the oil tank 2. Refueling filter part 55 includes circular bottom plate 551 and oil screen plate 552 vertically positioned at the periphery of bottom plate 551, and hanging plate 553 is welded and fixed on the outer side of the upper edge of oil screen plate 552 far from bottom plate 551. Sealing gaskets 554 are fixedly bonded on the top surface and the ground of the hanging plate 553, the sealing gaskets 554 are made of rubber materials, and the hanging plate 553 is provided with secondary connecting holes 5531 matched with the primary connecting holes 531. When the oil filler hole seat 53 is installed on the oil tank 2, the oil filter screen plate 552 is located in the oil tank 2, the hanging plate 553 is attached to the surface of the oil tank 2, the oil filler hole seat 53 is located at the top of the hanging plate 553, the oil filler hole seat 53 is connected with the oil tank 2 through a bolt, and the hanging plate 553 is abutted to the oil filler hole seat 53.

The implementation principle of the air filtering device for the hydraulic power unit of the wing spreading vehicle in the embodiment of the application is as follows: when the liquid level of the oil in the oil tank 2 is lowered, the external air enters the oil tank 2 from the second vent hole 515, the air filter element 52, the third vent hole 5441 and the first vent hole 5411 in sequence, and the air filter element 52 filters and blocks impurities in the air to ensure the cleanness of the oil in the oil tank 2. On the contrary, when the level of the oil in the oil tank 2 rises, the air in the oil tank 2 is discharged to the outside through the air cleaner device 5. When oil rocks and splashes in the oil tank 2, the main oil baffle 541, the first auxiliary oil slinger 542 and the second auxiliary oil slinger 543 block the splashed oil, so that the splashed oil is not easy to enter the air filter element 52. The first auxiliary oil slinger 542 reduces the possibility that splashed oil enters the air filter element 52 from the breather portion, and improves the oil blocking effect; when the oil splashed in the oil tank 2 bypasses the first auxiliary oil slinger 542 and enters the top of the main oil slinger 541 through the first vent hole 5411, the second auxiliary oil slinger 543 further damps and intercepts the oil. Fluid that splashes on main fender oilboard 541 drips from main fender oilboard 541 to guarantee main fender oilboard 541 to the good effect that blocks of fluid, make air filter 52 difficult to be drenched by fluid, and then ensured the good performance of air cleaner 5, make the operation work that hydraulic power unit can be stable for a long time.

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

1. An air filter device for a hydraulic power unit of a wing-spreading vehicle, the air filter device (5) being mounted on an oil tank (2), characterized in that: the oil filter comprises a filter shell (51), an air filter element (52) installed in the filter shell (51), an oil filling port seat (53) and an oil filling filter component (55) installed in the oil filling port seat (53), wherein the filter shell (51) and the oil filling port seat (53) are detachably connected, an oil blocking component (54) is arranged between the filter shell (51) and the oil filling port seat (53), the oil blocking component (54) comprises a main oil blocking plate (541), the main oil blocking plate (541) is installed at the bottom of the filter shell (51) close to the oil filling port seat (53), the air filter element (52) is located at the top of the main oil blocking plate (541), the main oil blocking plate (541) protrudes towards the oil filling port seat (53) to form a conical shape, a plurality of first vent holes (5411) are formed at the position, close to the edge of the filter shell (51), of the main oil blocking plate (541), and a plurality of first vent holes (5411) are arranged along the circumferential direction of the main oil blocking plate (541) to form a vent part, and a first auxiliary oil slinger (542) is fixedly arranged at the position, close to the edge of the filter shell (51), of the main oil slinger (541), and the first auxiliary oil slinger (542) is positioned at the bottom of the ventilation part.

2. An air cleaner arrangement for a wingspan vehicle hydraulic power unit according to claim 1, wherein: filter casing (51) including installation casing (511) and with installation casing (511) threaded connection's cap body (512), cap body (512) are located the top of installation casing (511), divide for filter core installation cavity (513) that are used for installing air filter core (52) and fender oil installation cavity (514) that is used for installing fender oil component (54) in installation casing (511), the diameter of filter core installation cavity (513) is greater than the diameter of keeping off oil installation cavity (514), the handing-over department of filter core installation cavity (513) and fender oil installation cavity (514) is formed with the step face, a plurality of second ventilation holes (515) have been seted up on the step face of installation casing (511).

3. An air cleaner arrangement for a wingspan vehicle hydraulic power unit according to claim 2, wherein: and a second auxiliary oil slinger (543) is fixedly arranged at the edge of the main oil slinger (541) close to the filtering shell (51), and the second auxiliary oil slinger (543) is positioned at the top of the ventilation part.

4. An air cleaner arrangement for a wingspan vehicle hydraulic power unit according to claim 3, wherein: the oil drip pipe is vertically arranged at one end, facing the oil filler seat (53), of the main oil baffle plate (541), the oil drip pipe (546) is fixedly connected with the middle of the main oil baffle plate (541), an oil drip hole is formed in the oil drip pipe (546) along the axial direction of the oil drip pipe, and the main oil baffle plate (541) penetrates through the oil drip hole.

5. An air cleaner arrangement for a wingspan vehicle hydraulic power unit according to claim 3, wherein: the top of the second auxiliary oil slinger (543) is fixedly connected with a placing plate (544), the air filter element (52) is placed on the placing plate (544), and the middle of the placing plate (544) is provided with a third vent hole (5441).

6. An air cleaner arrangement for a wingspan vehicle hydraulic power unit according to claim 5, wherein: the inner wall of the filtering shell (51) close to the main oil baffle plate (541) is connected with a connecting ring plate (545) in a threaded mode, and the main oil baffle plate (541), the first auxiliary oil baffle ring (542) and the second auxiliary oil baffle ring (543) are fixedly connected with the connecting ring plate (545).

7. An air cleaner arrangement for a wingspan vehicle hydraulic power unit according to claim 1, wherein: refuel filter part (55) including circular shape bottom plate (551) and vertically around oil filter screen board (552) on bottom plate (551), the last border week of oil filter screen board (552) is outside fixed and is provided with link plate (553), link plate (553) are located the bottom of oil filler seat (53), set up a plurality of one-level connecting hole (531) that are used for being connected with oil tank (2) on oil filler seat (53), second grade connecting hole (5531) with each one-level connecting hole (531) looks adaptation are seted up correspondingly on link plate (553), oil filler seat (53) and link plate (553) butt.

8. An air cleaner arrangement for a wingspan vehicle hydraulic power unit according to claim 7, wherein: and a sealing gasket (554) is fixedly bonded on one surface of the hanging plate (553) close to the oil filler seat (53) and one surface of the hanging plate far away from the oil filler seat (53).