CN218817372U

CN218817372U - High-pressure pipeline exhaust device of hydraulic system

Info

Publication number: CN218817372U
Application number: CN202223254873.4U
Authority: CN
Inventors: 张志坚; 徐乐
Original assignee: Wuxi Ximei Special Automobiles Co ltd
Current assignee: Wuxi Ximei Special Automobiles Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-04-07
Anticipated expiration: 2032-12-06

Abstract

The utility model relates to an oil pipe exhaust technical field discloses a hydraulic system high pressure line exhaust apparatus, including hydraulic pressure pipeline, connecting cylinder, the connecting cylinder is fixed in hydraulic pressure pipeline one side, and connecting cylinder one end and the inside hydraulic pressure pipeline that is linked together, be equipped with manual valve mechanism in the connecting cylinder, the equal fixedly connected with high-voltage tube in the relative both sides of connecting cylinder, two high-voltage tube other ends are fixed and are equipped with same transit storehouse, the high-voltage tube both ends are linked together in connecting cylinder, transit storehouse respectively, transit storehouse lower part is equipped with the temporary storage storehouse, be fixed with a connecting pipe between transit storehouse and the temporary storage storehouse, the connecting pipe both ends are linked together with transit storehouse, temporary storage storehouse respectively, temporary storage storehouse bottom fixed mounting has the liquid pump, be equipped with a plurality of defoaming nets in the transit storehouse. The utility model discloses, adopt circulating exhaust method for it is more thorough to exhaust, guarantees that the bubble in the hydraulic line is eliminated.

Description

High-pressure pipeline exhaust device of hydraulic system

Technical Field

The utility model belongs to the technical field of oil pipe exhaust apparatus, specifically speaking relates to a hydraulic system high-pressure line exhaust apparatus.

Background

The inside gas source of hydraulic pressure closed system can divide into two parts, and firstly the interfusion air that enters into the system from the external world, secondly because the cavitation produces the separation of dissolved air in the hydraulic oil, hydraulic piping system has the air infiltration back, and the during operation can produce phenomenons such as vibrations, noise, the low-speed of pipeline crawl for the machine is uncontrollable.

The exhaust structure of present hydraulic system pipeline is difficult to completely discharge inside air thoroughly, often only adopts the disconnect-type structure to carry out oil-gas separation, and the mode can not influence hydraulic system's normal work this moment, but its exhaust effect is very poor, because oil-gas mixture does not circulate the exhaust, can only discharge some air.

In view of this, the present invention is provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model adopts the following basic concept:

the utility model provides a hydraulic system high pressure line exhaust apparatus, includes hydraulic pressure pipeline, connecting cylinder, the connecting cylinder is fixed in hydraulic pressure pipeline one side, and connecting cylinder one end and the inside hydraulic pressure pipeline of being linked together, be equipped with manual valve mechanism in the connecting cylinder, the equal fixedly connected with high-voltage tube in the relative both sides of connecting cylinder, two high-voltage tube other ends are fixed with same transfer storehouse, the high-voltage tube both ends are linked together in connecting cylinder, transfer storehouse respectively, transfer storehouse lower part is equipped with the temporary storage storehouse, be fixed with a connecting pipe between transfer storehouse and the temporary storage storehouse, the connecting pipe both ends are linked together with transfer storehouse, temporary storage storehouse respectively, temporary storage storehouse bottom fixed mounting has the liquid pump, be equipped with a plurality of defoaming nets in the transfer storehouse.

As an optimal implementation mode, manual valve mechanism includes fixed seal ring, sealed end cap, the fixed seal ring is fixed in the connecting cylinder inner wall, sealed end cap activity sets up inside the connecting cylinder, and sealed end cap and fixed seal ring looks adaptation, the connecting cylinder upper end is rotated and is equipped with the screw thread post, and screw thread post lower extreme extends to the connecting cylinder inside and runs through sealed end cap, screw thread post and sealed end cap threaded connection, the screw thread post upper end is fixed with the hand wheel, the hand wheel drives and can drive sealed end cap lift after the screw thread post is rotatory.

As a preferred embodiment of the utility model, the lower part is fixed with the horizontal pole in the connecting cylinder, the horizontal pole upper portion is located in the rotation of screw thread post lower extreme, horizontal pole upper portion both sides all are fixed with the telescopic link, and the telescopic link upper end all is fixed in sealed end cap bottom.

As a preferred embodiment of the utility model, the other end of the hydraulic pipeline is fixed with a circulation interface, and an oil conveying pipe can be connected between the liquid outlet end of the liquid pump and the circulation interface.

As a preferred embodiment of the utility model, the high-pressure tube all is fixed with the relief valve near transit storehouse one end, after manual valve mechanism opened, the pressure valve could be opened in the extrusion of the interior oil pressure of hydraulic line.

As a preferred embodiment of the present invention, a check valve is disposed in the connecting pipe.

As a preferred embodiment of the utility model, the inside roof in the temporary storage storehouse is fixed with the funnel, both sides are fixed with one-level dropping board, second grade dropping board respectively in the funnel, the funnel lower extreme is connected with the riser, and the riser lower extreme extends to the interior bottom position department of temporary storage storehouse.

Compared with the prior art, the utility model following beneficial effect has:

the utility model discloses, through the transfer storehouse one-level temporary storage storehouse that sets up, cooperate the liquid pump, when making us need exhaust to the hydraulic oil in the hydraulic pressure pipeline, only need open sealed end cap, make in hydraulic oil gets into the transfer storehouse by two high-pressure tubes, and then a plurality of defoaming nets in the transfer storehouse eliminate the bubble in the hydraulic oil, and then continue to carry to the temporary storage storehouse in by the check valve, the back hydraulic oil of input is through one-level falling plate, second grade falling plate, the funnel, the riser flows into temporary storage bottom, avoid direct drippage to cause the secondary bubble, finally continue leading-in to the hydraulic pressure pipeline with defoaming back two-section hydraulic oil by the liquid pump, so circulate, finish until whole exhaust, for traditional exhaust structure, the circulating exhaust method of this device, make exhaust more thorough, guarantee the bubble elimination in the hydraulic pressure pipeline.

The following describes embodiments of the present invention in further detail with reference to the attached drawings.

Drawings

In the drawings:

fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic plan sectional view of the present invention;

fig. 3 is a schematic plan sectional structure view of the transfer bin and the temporary storage bin of the present invention.

In the figure: 1. a hydraulic line; 2. a connecting cylinder; 3. a hand wheel; 4. a high pressure pipe; 5. a transfer bin; 6. a temporary storage bin; 7. a funnel; 8. a first-level falling plate; 9. a second-stage falling plate; 10. a riser; 11. a liquid pump; 12. a one-way valve; 13. a connecting pipe; 14. a defoaming net; 15. a pressure relief valve; 16. fixing a sealing ring; 17. a telescopic rod; 18. a cross bar; 19. sealing the plug; 20. a threaded post.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention.

As shown in fig. 1 to 3, a hydraulic system high-pressure pipeline exhaust device, including a hydraulic pipeline 1, a connecting cylinder 2, the connecting cylinder 2 is fixed on one side of the hydraulic pipeline 1, and one end of the connecting cylinder 2 is communicated with the inside of the hydraulic pipeline 1, a manual valve mechanism is arranged in the connecting cylinder 2, high-pressure pipes 4 are fixedly connected to two opposite sides of the connecting cylinder 2, the other ends of the two high-pressure pipes 4 are fixedly provided with a same transit bin 5, two ends of the high-pressure pipes 4 are respectively communicated with the connecting cylinder 2 and the transit bin 5, a temporary storage bin 6 is arranged at the lower part of the transit bin 5, a connecting pipe 13 is fixed between the transit bin 5 and the temporary storage bin 6, two ends of the connecting pipe 13 are respectively communicated with the transit bin 5 and the temporary storage bin 6, a liquid pump 11 is fixedly arranged at the bottom of the temporary storage bin 6, a plurality of defoaming nets 14 are arranged in the transit bin 5, and the air is exhausted in a circulating manner, and bubbles are eliminated more thoroughly.

As shown in fig. 1 to 3, in a specific embodiment, the manual valve mechanism includes a fixed sealing ring 16, a sealing plug 19, the fixed sealing ring 16 is fixed on an inner wall of the connecting cylinder 2, the sealing plug 19 is movably disposed inside the connecting cylinder 2, and the sealing plug 19 is adapted to the fixed sealing ring 16, the upper end of the connecting cylinder 2 is rotated to be provided with a threaded column 20, the lower end of the threaded column 20 extends into the connecting cylinder 2 and penetrates through the sealing plug 19, the threaded column 20 is in threaded connection with the sealing plug 19, the upper end of the threaded column 20 is fixed with a hand wheel 3, the hand wheel 3 drives the threaded column 20 to rotate and then can drive the sealing plug 19 to go up and down, the lower portion inside the connecting cylinder 2 is fixed with a cross rod 18, the lower end of the threaded column 20 is rotated and disposed on the upper portion of the cross rod 18, both sides of the upper portion of the cross rod 18 are fixed with telescopic rods 17, and the upper ends of the telescopic rods 17 are fixed on the bottoms of the sealing plugs 19.

As shown in fig. 1 to 3, further, a circulation interface is fixed at the other end of the hydraulic pipeline 1, an oil delivery pipe can be connected between the liquid outlet end of the liquid pump 11 and the circulation interface, a pressure release valve 15 is fixed at one end of the high-pressure pipe 4 close to the transfer bin 5, after the manual valve mechanism is opened, the pressure release valve 15 can be opened by squeezing the oil pressure in the hydraulic pipeline 1, a check valve 12 is arranged in the connecting pipe 13, a funnel 7 is fixed on the top wall inside the temporary storage bin 6, a first-level falling plate 8 and a second-level falling plate 9 are respectively fixed on two sides inside the funnel 7, hydraulic oil falls on the first-level falling plate 8 and is primarily buffered, and then falls on the second-level falling plate 9 for buffering, so as to avoid bubbles generated in the hydraulic oil which directly drops in the bottom of the temporary storage bin 6 and has stored a certain amount, the lower end of the funnel 7 is connected with a vertical pipe 10, and the lower end of the vertical pipe 10 extends to the bottom position inside the temporary storage bin 6.

The implementation principle of the high-pressure pipeline exhaust device of the hydraulic system of the embodiment is as follows: during the exhaust, it is rotatory to rotate hand wheel 3 and drive threaded column 20, make sealed end cap 19 open, hydraulic oil gets into in the transfer bin 5 by two high-pressure pipes 4, and then a plurality of defoaming nets 14 in the transfer bin 5 eliminate the bubble in the hydraulic oil, and then continue to carry to the temporary storage 6 by check valve 12 in, the back hydraulic oil of input passes through one-level falling plate 8, the second grade falls the board 9 and cushions the back and again flows into temporary storage 6 bottoms by funnel 7, riser 10, avoid direct drippage to cause the secondary bubble, finally continue leading-in to hydraulic line 1 with defoaming back two-stage hydraulic oil by liquid pump 11, so circulate, finish until all exhausts.

Claims

1. The utility model provides a hydraulic system high pressure line exhaust apparatus, includes hydraulic pressure pipeline (1), connecting cylinder (2), its characterized in that, connecting cylinder (2) are fixed in hydraulic pressure pipeline (1) one side, and connecting cylinder (2) one end and hydraulic pressure pipeline (1) inside are linked together, be equipped with manual valve mechanism in connecting cylinder (2), equal fixedly connected with high-voltage tube (4) in the relative both sides of connecting cylinder (2), two high-voltage tube (4) other ends are fixed and are equipped with same transfer storehouse (5), high-voltage tube (4) both ends are linked together in connecting cylinder (2), transfer storehouse (5) respectively, transfer storehouse (5) lower part is equipped with temporary storage storehouse (6), be fixed with one connecting pipe (13) between transfer storehouse (5) and temporary storage storehouse (6), connecting pipe (13) both ends are linked together with transfer storehouse (5), temporary storage storehouse (6) respectively, temporary storage storehouse (6) bottom fixed mounting has liquid pump (11), be equipped with a plurality of defoaming net (14) in transfer storehouse (5).

2. The exhaust device for the high-pressure pipeline of the hydraulic system according to claim 1, wherein the manual valve mechanism comprises a fixed sealing ring (16) and a sealing plug (19), the fixed sealing ring (16) is fixed on the inner wall of the connecting cylinder (2), the sealing plug (19) is movably arranged inside the connecting cylinder (2), the sealing plug (19) is matched with the fixed sealing ring (16), a threaded column (20) is rotatably arranged at the upper end of the connecting cylinder (2), the lower end of the threaded column (20) extends into the connecting cylinder (2) and penetrates through the sealing plug (19), the threaded column (20) is in threaded connection with the sealing plug (19), a hand wheel (3) is fixed at the upper end of the threaded column (20), and the hand wheel (3) drives the threaded column (20) to rotate and then can drive the sealing plug (19) to lift.

3. The exhaust device for the high-pressure pipeline of the hydraulic system according to claim 2, wherein a cross rod (18) is fixed to the inner lower portion of the connecting cylinder (2), the lower end of the threaded column (20) is rotatably arranged on the upper portion of the cross rod (18), telescopic rods (17) are fixed to two sides of the upper portion of the cross rod (18), and the upper ends of the telescopic rods (17) are fixed to the bottom of the sealing plug (19).

4. The exhaust device for the high-pressure pipeline of the hydraulic system according to claim 1, wherein a circulation interface is fixed at the other end of the hydraulic pipeline (1), and an oil pipeline can be connected between the liquid outlet end of the liquid pump (11) and the circulation interface.

5. The high-pressure pipeline exhaust device of the hydraulic system according to claim 1, wherein a pressure relief valve (15) is fixed at one end of the high-pressure pipeline (4) close to the transfer bin (5), and after the manual valve mechanism is opened, the pressure relief valve (15) can be opened by squeezing oil pressure in the hydraulic pipeline (1).

6. The exhaust device for the high-pressure pipeline of the hydraulic system according to claim 1, wherein a check valve (12) is arranged in the connecting pipe (13).

7. The exhaust device for the high-pressure pipeline of the hydraulic system according to claim 1, wherein a funnel (7) is fixed on the top wall inside the temporary storage bin (6), a primary falling plate (8) and a secondary falling plate (9) are respectively fixed on two sides inside the funnel (7), a vertical pipe (10) is connected to the lower end of the funnel (7), and the lower end of the vertical pipe (10) extends to the bottom position inside the temporary storage bin (6).