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CN-224214464-U - Mute oil source hydraulic system

CN224214464UCN 224214464 UCN224214464 UCN 224214464UCN-224214464-U

Abstract

The utility model discloses a mute oil source hydraulic system which comprises a hydraulic tank, a hydraulic pump, a damping mechanism, a silencing cover, an oil pressure pipeline and a buffer structure, wherein an accommodating space is formed in the hydraulic tank and used for accommodating hydraulic oil, the hydraulic pump is fixedly arranged at the top of the hydraulic tank and used for extracting the hydraulic oil in the accommodating space, the damping mechanism is arranged at the joint of the hydraulic pump and the hydraulic tank, the silencing cover is arranged on the hydraulic pump in a covering mode, silencing materials are arranged on the inner surface of the silencing cover, the oil pressure pipeline is connected with the hydraulic pump and used for conveying the hydraulic oil to an executing component, and the buffer structure is connected with the oil pressure pipeline and used for eliminating oil pressure fluctuation of the oil pressure pipeline.

Inventors

  • ZHI XIAOYANG

Assignees

  • 无锡未来航空装备科技有限公司

Dates

Publication Date
20260508
Application Date
20250529

Claims (10)

  1. 1. A silent oil source hydraulic system, comprising: The hydraulic device comprises a hydraulic box, a hydraulic control device and a hydraulic control device, wherein an accommodating space is formed in the hydraulic box and used for accommodating hydraulic oil; The hydraulic pump is fixedly arranged at the top of the hydraulic box and is used for extracting hydraulic oil in the accommodating space; The damping mechanism is arranged at the joint of the hydraulic pump and the hydraulic tank; The silencing cover is used for being covered on the hydraulic pump, and silencing materials are arranged on the inner surface of the silencing cover; An oil pressure pipeline connected with the hydraulic pump, wherein the oil pressure pipeline is used for conveying the hydraulic oil to an execution part; And the buffer structure is connected with the oil pressure pipeline and is used for eliminating oil pressure fluctuation of the oil pressure pipeline.
  2. 2. The silent oil source hydraulic system according to claim 1, wherein the buffer structure comprises a buffer tank body, a buffer air bag, a first attaching part, a piston part, a lower connecting rod, a connecting seat and a connecting pipe section, wherein a containing space is formed in the buffer tank body, air is filled in the buffer air bag, the buffer air bag is arranged in the containing space, the lower end of the first attaching part is attached to the lower end of the buffer air bag, the first attaching part is movably arranged in the containing space, the connecting seat is arranged at the lower end of the buffer tank body, the lower end of the connecting seat is connected with the connecting pipe section, two ends of the connecting pipe section are mutually communicated with the oil pressure pipeline, a vertically extending buffer channel is formed in the connecting seat, the piston part is movably arranged in the buffer channel in a sealing mode, two ends of the buffer channel are respectively mutually communicated with the containing space and the connecting pipe section, and two ends of the lower connecting rod are respectively attached to the first part and the piston part.
  3. 3. The silent oil hydraulic system of claim 2, wherein the upper surface of the first engaging member is a cambered surface, and the upper surface of the first engaging member engages the lower end of the cushion bladder.
  4. 4. The silent oil hydraulic system according to claim 2 or 3, wherein the buffer structure further comprises an elastic member, and both ends of the elastic member are elastically biased against the first fitting member and the inner wall of the buffer tank, respectively.
  5. 5. The silent oil hydraulic system according to claim 4, wherein the elastic member is a spring, and the spring is sleeved on the lower connecting rod.
  6. 6. The silent oil source hydraulic system according to claim 2, wherein the buffer structure further comprises a second attaching part, an upper connecting rod, a sealing seat and a control valve, the sealing seat is arranged at the upper end of the buffer tank body in a sealing manner, the second attaching part is fixed on the upper connecting rod, the lower end of the upper connecting rod stretches into the buffer air bag, the lower surface of the second attaching part is attached to the upper end of the buffer air bag and is fixed through glue adhesion, the upper end of the upper connecting rod penetrates through the sealing seat to stretch into the accommodating space, an air adding hole is formed in the upper connecting rod, and the control valve is arranged at the upper end of the upper connecting rod.
  7. 7. The silent oil hydraulic system according to claim 2, wherein the inner wall of the buffer tank is provided with a soft protective layer.
  8. 8. The silent oil source hydraulic system according to claim 6, wherein the lower surface of the second attaching member is an arc surface, a nozzle is arranged at the lower end of the upper connecting rod, fine holes are formed in the nozzle, the nozzle is arranged in the buffer air bag, and the nozzle is mutually communicated with the air filling hole of the upper connecting rod.
  9. 9. The silent oil source hydraulic system according to claim 1, wherein a level gauge is provided on the hydraulic tank.
  10. 10. The silent oil source hydraulic system according to claim 1, wherein a defoaming device is arranged in the hydraulic tank, a mounting base is arranged at the bottom of the hydraulic tank, a supporting component is arranged on the lower surface of the mounting base, a soft cushion block is arranged at the lower end of the supporting component, the soft cushion block is in a cylindrical shape, and a plurality of annular grooves are formed in the outer surface of the soft cushion block.

Description

Mute oil source hydraulic system Technical Field The utility model relates to the technical field of hydraulic systems, in particular to a mute oil source hydraulic system. Background The hydraulic system is used in the fatigue test process of the aircraft, the hydraulic system drives the execution part to move so as to perform fatigue test on certain specific structures of the aircraft, the hydraulic system mainly comprises an oil storage tank, a hydraulic pump set and a hydraulic pipeline, the oil storage tank is used for containing hydraulic oil, the hydraulic pump set drives the hydraulic oil to flow in the hydraulic pipeline so as to drive the execution part, the hydraulic pump set generally comprises a motor and a pump, the motor drives the pump to work, in the prior art, very large noise can be emitted in the working process of the hydraulic pump set, the noise pollution is caused, the working environment is severe, in addition, if a large amount of bubbles exist in the oil pressure pipeline, the noise can be generated due to the rupture of the bubbles in the working process, and the oil pressure in the execution part can fluctuate in the working process of the hydraulic pump set, and the noise can also be generated in the hydraulic fluctuation process. Disclosure of utility model The utility model provides a mute oil source hydraulic system which can reduce noise in the working process of the hydraulic system. In order to solve the technical problem, the utility model provides a mute oil source hydraulic system, comprising: The hydraulic device comprises a hydraulic box, a hydraulic control device and a hydraulic control device, wherein an accommodating space is formed in the hydraulic box and used for accommodating hydraulic oil; The hydraulic pump is fixedly arranged at the top of the hydraulic box and is used for extracting hydraulic oil in the accommodating space; The damping mechanism is arranged at the joint of the hydraulic pump and the hydraulic tank; The silencing cover is used for being covered on the hydraulic pump, and silencing materials are arranged on the inner surface of the silencing cover; An oil pressure pipeline connected with the hydraulic pump, wherein the oil pressure pipeline is used for conveying the hydraulic oil to an execution part; And the buffer structure is connected with the oil pressure pipeline and is used for eliminating oil pressure fluctuation of the oil pressure pipeline. As the preference of above-mentioned technical scheme, buffer structure includes the buffer tank body, buffer air bag, first laminating part, piston part, lower connecting rod, connecting seat and connecting tube section, the inside of the buffer tank body is formed with the accommodation space, and buffer air bag's inside packing is provided with gas, buffer air bag sets up in the accommodation space, first laminating part's lower extreme with buffer air bag's lower extreme laminating, first laminating part activity sets up in the accommodation space, the connecting seat sets up the lower extreme of the buffer tank body, the lower extreme of connecting seat with connecting tube section is connected, connecting tube section's both ends with oil pressure pipeline intercommunication each other, be formed with the buffering passageway of vertical extension on the connecting seat, piston part sealing activity sets up in the buffering passageway, the both ends of buffering passageway respectively with accommodation space and connecting tube section intercommunication each other, the both ends of lower connecting rod respectively with first laminating part with piston part connects. As a preferable mode of the above technical scheme, the upper surface of the first attaching member is an arc surface, and the upper surface of the first attaching member is attached to the lower end of the cushion airbag. As the optimization of the technical scheme, the buffer structure further comprises an elastic component, and the two ends of the elastic component are respectively elastically acted on the first attaching component and the inner wall of the buffer tank body. Preferably, in the above technical solution, the elastic component is a spring, and the spring is sleeved on the lower connecting rod. As the preference of above-mentioned technical scheme, buffer structure still includes second laminating part, goes up connecting rod, sealing seat and control valve, the sealing seat seals and sets up the upper end of the buffer tank body, the second laminating part is fixed on the last connecting rod, go up the lower extreme of connecting rod stretch into to buffer gasbag's inside, the lower surface of second laminating part with buffer gasbag's upper end laminating just is fixed through glue bonding, go up the upper end of connecting rod and pass the sealing seat stretches into the accommodation space, be provided with the gas filling hole on the last connecting rod, control valve sets up go up the upper end of c