CN218030858U

CN218030858U - Respirator for hydraulic oil tank

Info

Publication number: CN218030858U
Application number: CN202221499878.0U
Authority: CN
Inventors: 慕青梅
Original assignee: Sichuan Zhongkejun Energy Saving And Environmental Protection Technology Co ltd
Current assignee: Sichuan Zhongkejun Energy Saving And Environmental Protection Technology Co ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-12-13
Anticipated expiration: 2032-06-16

Abstract

The utility model discloses a hydraulic oil tank respirator, which comprises a respirator working chamber connected with a hydraulic oil tank, wherein the bottom of the respirator working chamber is connected with a respirator compensation chamber, and a working chamber air inlet valve is arranged on a working chamber air inlet pipe; a safety pipe is arranged on the working cavity of the respirator, and a safety valve is arranged on the safety pipe; the upper side and the lower side of the compensation cavity air inlet pipe are respectively provided with a sealed adsorption cavity and a collection cavity, the lower side of the compensation cavity air inlet pipe is provided with an opening communicated with the collection cavity, and a cleaning mechanism for filtering iron-containing substances in air is arranged in the adsorption cavity. The utility model discloses breathing gas to hydraulic tank compensates or the pressure release, for hydraulic tank provides better operational environment, filters hydraulic tank's breathing gas simultaneously, prevents that external impurity from entering into in the hydraulic tank when hydraulic tank breathes.

Description

Respirator for hydraulic oil tank

Technical Field

The utility model relates to a hydraulic system control technical field, concretely relates to hydraulic tank respirator.

Background

The hydraulic system oil tank is used as an oil storage container of hydraulic equipment, when a piston rod of the hydraulic oil cylinder extends out, the hydraulic oil is conveyed into the hydraulic oil cylinder by the hydraulic pump, and when the piston rod of the hydraulic oil cylinder retracts, the hydraulic oil returns to the hydraulic oil tank, so that the hydraulic system oil tank needs to be provided with a breathing port to be communicated with the outside, and air in the tank body enters and exits along with the entrance and exit of the hydraulic oil. When the equipment works for a long time, a plurality of hydraulic oil particles float in the air in the hydraulic oil tank, and when the hydraulic oil returns to the hydraulic oil tank, the hydraulic oil in the hydraulic oil tank is increased and the air is exhausted from the breathing port, so that the hydraulic oil particles contained in the air are also exhausted. In order to prevent hydraulic oil particles from being carried out during the process of exhausting air in the hydraulic oil tank, an air filter is often arranged at a breathing port of the hydraulic oil tank.

The existing air filter can not filter iron-containing substances in air, so that the iron-containing substances are mixed in an oil tank of a hydraulic system, and the iron-containing substances can influence the smooth operation of the hydraulic system, and therefore, a new hydraulic oil tank respirator is needed to be provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The above insufficiency to the prior art, the utility model provides a can carry out absorbent hydraulic tank respirator to the iron-containing material in the air.

In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows: the respirator comprises a respirator working chamber connected with a hydraulic oil tank, wherein the bottom of the respirator working chamber is connected with a respirator compensation chamber, the bottom of the aspirator working chamber and the top of the respirator compensation chamber are provided with communicating holes, a working chamber air inlet pipe is arranged in the communicating holes, and a working chamber air inlet valve is arranged on the working chamber air inlet pipe; a safety pipe is arranged on the working cavity of the respirator, and a safety valve is arranged on the safety pipe; the upper side and the lower side of the compensation cavity air inlet pipe are respectively provided with a sealed adsorption cavity and a collection cavity, the lower side of the compensation cavity air inlet pipe is provided with an opening communicated with the collection cavity, and a cleaning mechanism for filtering iron-containing substances in air is arranged in the adsorption cavity.

Furthermore, the cleaning mechanism comprises an arc-shaped permanent magnetic column and rotating shafts arranged at two ends of the arc-shaped permanent magnetic column, the arc-shaped permanent magnetic column is installed in the adsorption cavity through the rotating shafts, a gear is arranged on the rotating shaft at one end of the arc-shaped permanent magnetic column, and the arc-shaped permanent magnetic column is positioned above the opening; the piston is arranged in the working cavity of the respirator, the bottom of the piston is hinged with a cleaning rod, the cleaning rod penetrates into the adsorption cavity, the bottom of the cleaning rod is provided with a cleaning rod rack matched with the gear, the bottom of the working cavity of the respirator is provided with an installation through hole for installing the cleaning rod, and the cleaning rod is movably and hermetically connected with the installation through hole.

Furthermore, the hydraulic oil tank is connected with the working cavity of the respirator through a connecting pipe, the tail end of the connecting pipe is connected with a corrugated pipe, the corrugated pipe is connected to the piston, and the piston is further provided with a through hole for mounting the corrugated pipe. The corrugated pipe can move up and down along with the piston to realize free extension and shortening, so that the movement of the piston is not limited by the action of external force, and the piston can move more smoothly

Further, a transfer magnet is arranged in the collection cavity, and the position of the transfer magnet corresponds to the position of the opening. The transfer magnet is used for adsorbing the iron-containing substances falling from the air inlet pipe of the compensation cavity, so that the subsequent cleaning of the iron-containing substances is facilitated.

Furthermore, a waste outlet is further formed in the collection cavity, a sealing cover is arranged on the waste outlet, and a rubber ring matched with the respirator compensation cavity is further arranged on the sealing cover. The sealing cover is used for separating the collection cavity from the outside, and the iron-containing substances in the collection cavity can be conveniently taken out after the sealing cover is opened; the rubber ring can further improve the sealing property between the sealing cover and the collecting cavity

Furthermore, a limit switch mounting rod is arranged on the working cavity of the respirator, a limit switch trigger rod matched with the limit switch mounting rod is arranged at the upper end of the piston, and a limit air inlet switch and a limit air outlet switch are arranged on the limit switch trigger rod.

Further, an air filter element is arranged on the air inlet side of the air inlet pipe of the compensation cavity. The air filter element can filter most of filiform substances or floccules in the air.

Further, the cleaning rod is connected with the piston through a universal joint. The universal joint has certain rotation control range, can reduce the mounted position of clean pole and the position accuracy requirement between the installation through-hole, and the universal energy-conserving vertical displacement who indirectly converts the piston into the vertical displacement of clean pole moreover can improve the smooth and easy degree of sliding between clean pole and the installation through-hole.

The utility model has the advantages that: the utility model discloses can compensate or the pressure release to hydraulic tank's breathing gas, for hydraulic tank provides better operational environment, can filter hydraulic tank's breathing gas simultaneously, prevent that external impurity from entering into in the hydraulic tank when hydraulic tank breathes. The utility model is provided with a cleaning mechanism, the cleaning mechanism comprises a cleaning rod, a rack fixed at the lower end of the cleaning rod, a gear matched with the rack and an arc permanent magnet column, and when the air pressure of the hydraulic oil tank changes, the piston can be driven to move up and down, thereby driving the cleaning rod to move; when the hydraulic oil tank is in positive pressure, the cleaning rod moves downwards, and the arc-shaped permanent magnet column of the cleaning mechanism rotates to a position attached to the air inlet pipe of the compensation cavity, so that preparation of the arc-shaped permanent magnet column is realized; when the hydraulic oil tank is under negative pressure, the cleaning rod moves upwards, the arc-shaped permanent magnet column of the cleaning mechanism gradually rotates to a position where the arc-shaped permanent magnet column is separated from the air inlet pipe of the compensation cavity, and the adsorption operation to the separation operation of the arc-shaped permanent magnet column are realized; the utility model discloses a clean mechanism can realize the periodic cleanness to the iron-containing substance, guarantees clean efficiency, and follow-up clearance iron-containing substance is also comparatively convenient.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an enlarged view A of a portion of FIG. 1;

FIG. 3 is a first schematic view of the cleaning mechanism of the present invention;

wherein the symbols of the components are as follows;

1. a hydraulic oil tank; 2. a connecting pipe; 3. a bellows; 4. a working chamber of the respirator; 5. a respirator compensation chamber; 6. a piston; 7. a safety tube; 8. a safety valve; 9. a working cavity air inlet pipe; 10. a working chamber air inlet valve; 11. A compensation cavity air inlet pipe; 12. a compensation cavity air inlet valve; 13. a limit switch trigger lever; 14. a limit switch mounting rod; 15. a limit air inlet switch; 16. a limit air outlet switch; 17. an air filter element; 18. a cleaning rod; 19. A cleaning rod rack; 20. a gear; 21. an arc-shaped permanent magnet column; 22. a transfer magnet; 23. a sealing cover; 24. Iron-containing impurities.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.

As shown in fig. 1, the suction device comprises a respirator working chamber 4 connected with a hydraulic oil tank 1, wherein the bottom of the respirator working chamber 4 is connected with a respirator compensation chamber 5, communication holes are formed in the bottom of the respirator working chamber 4 and the top of the respirator compensation chamber 5, a working chamber air inlet pipe 9 is arranged in each communication hole, and a working chamber air inlet valve 10 is arranged on each working chamber air inlet pipe 9; a safety pipe 7 is arranged on the respirator working cavity 4, and a safety valve 8 is arranged on the safety pipe 7; be provided with compensation chamber intake pipe 11 on the respirator compensation chamber, be provided with compensation chamber intake valve 12 on the compensation chamber intake pipe 11, compensation chamber intake pipe 11 extends to the inside in respirator compensation chamber 5, the upper and lower side of compensation chamber intake pipe 11 is provided with sealed absorption chamber and collection chamber respectively, the downside of compensation chamber intake pipe 11 is provided with and collects the opening of chamber intercommunication, be provided with the clean mechanism of the iron-containing material in the filtered air in the absorption chamber.

In this embodiment, the cleaning mechanism includes an arc-shaped permanent magnet column 21 and rotating shafts arranged at two ends of the arc-shaped permanent magnet column 21, the arc-shaped permanent magnet column 21 is installed in the adsorption cavity through the rotating shafts, a gear 20 is arranged on the rotating shaft at one end of the arc-shaped permanent magnet column 21, and the arc-shaped permanent magnet column 21 is located above the opening; be provided with piston 6 in the respirator working chamber 4, the bottom of piston 6 articulates there is clean pole 18, and clean pole 18 runs through to adsorbing the intracavity, and the bottom of clean pole 18 is provided with the clean pole rack 19 with gear 20 complex, and the bottom of respirator working chamber 4 is provided with the installation through-hole of installation clean pole 18, movable sealing connection between clean pole 18 and the installation through-hole. The cleaning rod 18 transmits the movement of the piston 6 to the rack, so that the arc-shaped permanent magnet column 21 is driven to rotate, the arc-shaped permanent magnet column is far away from or attached to the outer wall of the upper end of the compensation cavity air inlet pipe 11, and the attachment (the adsorption of iron-containing substances) of the arc-shaped permanent magnet column 21 and the separation (the separation of the iron-containing substances) of the arc-shaped permanent magnet column 21 are realized.

In this embodiment, the hydraulic oil tank 1 and the respirator working chamber 4 are connected through the connecting pipe 2, the end of the connecting pipe 2 is connected with the corrugated pipe 3, the corrugated pipe 3 is connected to the piston 6, and the piston 6 is further provided with a through hole for installing the corrugated pipe 3. Bellows 3 can be followed piston 6 and reciprocated and realize freely extending and shortening for the removal of piston is not restricted by the exogenic action, and is more smooth and easy during the motion.

In this embodiment, a transfer magnet 22 is disposed within the collection chamber, with the position of the transfer magnet 22 corresponding to the position of the opening. The transfer magnet 22 is used for adsorbing the iron-containing substances falling from the air inlet pipe of the compensation cavity, so that the subsequent cleaning of the iron-containing substances is facilitated.

In this embodiment, the collection chamber is further provided with a waste outlet, the waste outlet is provided with a sealing cover 23, and the sealing cover 23 is further provided with a rubber ring matched with the respirator compensation chamber 5. The sealing cover 23 is used for isolating the collection cavity from the outside, and the iron-containing substances in the collection cavity can be conveniently taken out after the sealing cover 23 is opened; the rubber ring further improves the sealing between the sealing cover 23 and the collecting chamber.

In this embodiment, a limit switch mounting rod 14 is arranged on the respirator working chamber 4, a limit switch trigger rod 13 matched with the limit switch mounting rod 14 is arranged at the upper end of the piston 6, and a limit air inlet switch 15 and a limit air outlet switch 16 are arranged on the limit switch trigger rod 13.

In this embodiment, an air filter 17 is further provided on the intake side of the compensation chamber intake pipe 11. The air filter element 17 is capable of filtering a majority of air from either filaments or floes.

In the present embodiment, the cleaning rod 18 is connected to the piston 6 by a universal joint. The universal joint has a certain rotation adjusting range, the position precision requirement between the installation position of the cleaning rod 18 and the installation through hole can be reduced, the universal joint can indirectly convert the vertical displacement of the piston 6 into the vertical displacement of the cleaning rod 18 in an energy-saving manner, and the sliding smoothness between the cleaning rod 18 and the installation through hole can be improved.

When the hydraulic oil tank 1 is internally positively pressurized, the working principle is as follows: when the hydraulic oil tank 1 works, positive pressure is formed, the piston 6 moves upwards to drive the limit switch mounting rod 14 to move upwards, the limit air outlet switch 16 is triggered, the safety valve 8 is powered on to communicate the respirator working chamber 4 with the outside, so that gas in the respirator working chamber 4 is discharged, and when the air pressure of the respirator working chamber 4 reaches a preset threshold value (for example, an air pressure sensor is mounted, and the safety valve 8 is controlled to be powered on and powered off) the safety valve 8 is powered off and closed. As shown in fig. 2, in this stage, in the process that the piston 6 moves down to drive the cleaning rod 18 to move down gradually, the cleaning rod rack belt 19 drives the arc-shaped permanent magnet column 21 to rotate clockwise through the gear 20, and the right end of the arc-shaped permanent magnet column 21 rotates to be attached to the working chamber air inlet pipe 9, so that the arc-shaped permanent magnet column 21 is in the preparation stage to prepare for adsorbing iron-containing substances in the air subsequently.

When the interior negative pressure of hydraulic tank 1, the theory of operation: when the limit switch trigger rod 13 reaches the lower limit, the piston 6 moves upwards to drive the limit switch mounting rod 14 to move downwards, the limit air inlet switch 15 is triggered, the working chamber air inlet valve 10 and the compensation chamber air inlet valve 12 are opened, the compensation chamber air inlet pipe 11 filters external air and then guides the filtered air into the respirator compensation chamber 5, and the working chamber air inlet pipe 9 supplements clean air in the respirator compensation chamber 5 into the respirator working chamber 4; when the air pressure of the compensation cavity 3 and the air pressure of the working cavity 4 of the respirator reach a preset threshold value (for example, an air pressure sensor is installed, the pressure threshold value is set to control the on-off of the air inlet valve 10 of the working cavity and the air inlet valve 12 of the compensation cavity), the air inlet valve 10 of the working cavity and the air inlet valve 12 of the compensation cavity. As shown in fig. 3, in this stage, when the piston 6 moves upwards and the cleaning rod 18 gradually moves upwards, the rack 19 of the cleaning rod drives the arc-shaped permanent magnet column 21 to rotate anticlockwise through the gear 20, the arc-shaped part of the arc-shaped permanent magnet column 21 is always attached to the air inlet pipe 9 of the working chamber during rotation, and the arc-shaped permanent magnet column 21 adsorbs iron-containing substances in the air and adsorbs the iron-containing substances on the upper arm of the air inlet pipe 9 of the working chamber during rotation; when the piston 6 moves up to a preset position (namely a preset threshold), the left end of the arc-shaped permanent magnet column 21 rotates to be not attached to the working cavity air inlet pipe 9, a certain distance exists between the arc-shaped permanent magnet column 21 and the working cavity air inlet pipe 9, the iron-containing substance adsorbed on the working cavity air inlet pipe 9 falls into the collection cavity after losing the magnetic force effect, and the iron-containing substance in the collection cavity is transferred out by opening the sealing cover 23 subsequently.

Claims

1. The utility model provides a hydraulic tank respirator, links to each other its characterized in that with hydraulic tank (1): the suction device comprises a respirator working chamber (4) connected with a hydraulic oil tank (1), wherein the bottom of the respirator working chamber (4) is connected with a respirator compensation chamber (5), communication holes are formed in the bottom of the aspirator working chamber (4) and the top of the respirator compensation chamber (5), a working chamber air inlet pipe (9) is arranged in each communication hole, and a working chamber air inlet valve (10) is arranged on each working chamber air inlet pipe (9);

a safety pipe (7) is arranged on the respirator working cavity (4), and a safety valve (8) is arranged on the safety pipe (7); the respirator compensation cavity is provided with a compensation cavity air inlet pipe (11), a compensation cavity air inlet valve (12) is arranged on the compensation cavity air inlet pipe (11), the compensation cavity air inlet pipe (11) extends to the inside of the respirator compensation cavity (5), the upper side and the lower side of the compensation cavity air inlet pipe (11) are respectively provided with a sealed adsorption cavity and a collection cavity, the lower side of the compensation cavity air inlet pipe (11) is provided with an opening communicated with the collection cavity, and a cleaning mechanism for filtering iron-containing substances in air is arranged in the adsorption cavity.

2. The hydraulic oil tank respirator according to claim 1, characterized in that the cleaning mechanism comprises an arc-shaped permanent magnet column (21) and rotating shafts arranged at two ends of the arc-shaped permanent magnet column (21), the arc-shaped permanent magnet column (21) is installed in the adsorption cavity through the rotating shafts, a gear (20) is arranged on the rotating shaft at one end of the arc-shaped permanent magnet column (21), and the arc-shaped permanent magnet column (21) is positioned above the opening; be provided with piston (6) in respirator working chamber (4), the bottom of piston (6) articulates there is clean pole (18), clean pole (18) run through to in the absorption chamber, the bottom of clean pole (18) is provided with gear (20) complex clean pole rack (19), the bottom of respirator working chamber (4) is provided with the installation through-hole of installation clean pole (18), clean pole (18) with swing joint between the installation through-hole.

3. The hydraulic oil tank respirator according to claim 2, characterized in that the hydraulic oil tank (1) and the respirator working chamber (4) are connected through a connecting pipe (2), the end of the connecting pipe (2) is connected with a corrugated pipe (3), the corrugated pipe (3) is connected to a piston (6), and a through hole for installing the corrugated pipe (3) is further arranged on the piston (6).

4. The hydraulic tank breather according to claim 1, characterized in that a transfer magnet (22) is arranged in the collection chamber, the position of the transfer magnet (22) corresponding to the position of the opening.

5. The hydraulic tank respirator according to claim 1, characterized in that the collection chamber is further provided with a waste outlet, the waste outlet is provided with a sealing cover (23), and the sealing cover (23) is further provided with a rubber ring cooperating with the respirator compensation chamber (5).

6. The hydraulic oil tank breather according to claim 2, wherein a limit switch mounting rod (14) is arranged on the breather working chamber (4), a limit switch trigger rod (13) matched with the limit switch mounting rod (14) is arranged at the upper end of the piston (6), and a limit air inlet switch (15) and a limit air outlet switch (16) are arranged on the limit switch trigger rod (13).

7. The hydraulic tank breather according to claim 1, wherein the inlet side of the compensation chamber inlet duct (11) is further provided with an air filter (17).

8. The hydraulic tank breather according to claim 2, characterized in that the cleaning rod (18) is connected to the piston (6) by a universal joint.