CN217945556U - Unmanned aerial vehicle undercarriage oiling device - Google Patents
Unmanned aerial vehicle undercarriage oiling device Download PDFInfo
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- CN217945556U CN217945556U CN202221815079.XU CN202221815079U CN217945556U CN 217945556 U CN217945556 U CN 217945556U CN 202221815079 U CN202221815079 U CN 202221815079U CN 217945556 U CN217945556 U CN 217945556U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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Abstract
The utility model relates to the technical field of undercarriage, in particular to an unmanned aerial vehicle undercarriage oiling device, which comprises an oiling tank provided with an oiling bin, an oiling component arranged on the oiling tank, an oiling pipeline which is positioned in the oiling tank and is communicated with the oiling component, an oiling pipe which is positioned outside the oiling tank and is communicated with the outlet end of the oiling pipeline, and an oiling adapter which is communicated with the outlet end of the oiling pipe; the oil injection pipeline is communicated with the oil storage bin. The utility model discloses the mode that can adopt artifical pressure boost realizes that unmanned aerial vehicle undercarriage support maintains with braking system's quick oiling, easy operation, and convenient to use and cost are lower.
Description
Technical Field
The utility model relates to an undercarriage technical field, more specifically say, relate to an unmanned aerial vehicle undercarriage oiling device.
Background
Landing gear is an attachment device for the lower portion of an aircraft for taking off and landing on the ground or water, or for supporting the aircraft during taxiing and for ground or water movement. Landing gear arrangements are one of the important components of an aircraft, which are an integral part of the aircraft. The working state and performance of the system have important influence on the safety performance of takeoff, landing and taxiing of the airplane.
In the past, aiming at the requirements of the traditional aircraft on takeoff weight, use conditions, task functions and body structural strength, the special undercarriage oiling device is arranged, and the pump body is driven by the motor to supply oil, so that the structure is complex, the maintenance is inconvenient, the equipment price is very high, and the production and ground service maintainers are inconvenient to use. If the condition is crude and the maintenance environment is severe, the airplane cannot be maintained in time, and the airplane is stopped flying. And the required oiling pressure of conventional aircraft, undercarriage structure and unmanned aerial vehicle exist the difference, cause conventional undercarriage oiling device often can not compatible unmanned aerial vehicle.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a unmanned aerial vehicle undercarriage oiling device is provided, the mode that adopts artifical pressure boost realizes that unmanned aerial vehicle undercarriage support maintains with braking system's quick oiling, easy operation, and convenient to use and cost are lower.
The utility model provides a solution that technical problem adopted is:
an unmanned aerial vehicle undercarriage oiling device comprises an oiling tank provided with an oiling bin, an oiling component arranged on the oiling tank, an oiling pipeline positioned in the oiling tank and communicated with the oiling component, an oiling pipe positioned outside the oiling tank and communicated with the outlet end of the oiling pipeline, and an oiling adapter joint communicated with the outlet end of the oiling pipe; the oil injection pipeline is communicated with the oil storage bin.
When the undercarriage support or the brake system is filled with oil, the oil filling adapter is arranged on the undercarriage support or the brake system and then connected with the oil filling pipe, the other end of the oil filling pipe is connected with the oil filling pipeline, and hydraulic oil in the oil storage bin is conveyed into the undercarriage support or the brake system through the oil filling pipeline, the oil filling pipe and the oil filling adapter through the oil filling assembly to realize oil filling.
In some possible embodiments, in order to effectively realize that hydraulic oil can enter the landing gear bracket or the brake system under the driving of the oil injection assembly, and the hydraulic oil in the pipeline can return to the oil storage bin after the oil injection is completed;
the oil injection pipeline comprises an oil inlet pipeline, an oil outlet pipeline and an oil return pipeline, wherein two ends of the oil inlet pipeline are respectively communicated with the oil injection assembly and the oil injection assembly, two ends of the oil outlet pipeline are communicated with the oil injection assembly and the oil injection pipe, and two ends of the oil return pipeline are respectively communicated with the oil injection pipe and the oil storage bin.
In some possible embodiments, a first check valve is arranged on the oil inlet pipeline.
In some possible embodiments, a second check valve is provided on the flowline.
In some possible embodiments, an oil return cut-off valve is arranged on the oil return pipeline; the oil return stop valve comprises a valve body arranged on an oil return pipeline and a valve rod which is positioned outside the oil injection tank and one end of which extends into the oil injection tank and is connected with the valve body.
In some possible embodiments, in order to effectively drive the hydraulic oil in the oil storage bin to enter the landing gear bracket or the brake system along the oil filling pipeline, oil filling is realized;
the oil injection assembly comprises a cylinder body arranged at the top of the oil injection tank, a piston arranged in the cylinder body, a handle with one end hinged with the oil injection tank, and a connecting rod with one end hinged with the handle and the other end extending into the cylinder body and connected with the piston; the handle is positioned above the oil filling tank; the cylinder body is communicated with the oil filling pipeline.
In some possible embodiments, in order to ensure that the oil injection process is more labor-saving;
the oil injection assembly also comprises an elastic piece which is arranged in the cylinder body and is positioned between the piston and the top of the cylinder body, and two ends of the elastic piece are respectively connected with one side, close to each other, of the top of the cylinder body and the piston;
the elastic piece is sleeved on the outer side of the connecting rod.
In some possible embodiments, the elastic member is any one of a compression spring, a disc spring and a plate spring
In some possible embodiments, in order to effectively achieve oiling of the landing gear carrier or the braking system;
the oil injection adapter is a strut oil injection adapter or a brake oil injection adapter.
In some possible embodiments, the oil tank is provided with an oil filling port communicated with an oil storage bin; and a cover is arranged on the oil filling port.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model utilizes manual pressurization to push the piston to inject oil, has simple structure, convenient maintenance and low overall price, and is convenient for maintenance of the unmanned aerial vehicle;
the utility model can not only fill oil into the undercarriage bracket, but also fill oil into the undercarriage braking system by replacing the adapter, and has stronger universality;
the utility model can be used in the assembly stage of the unmanned aerial vehicle assembly and the ground service maintenance stage, and has strong applicability;
the utility model has simple operation, the ground service maintainer can master and use through simple training, and the safety is good without relating to an electric mechanism;
the utility model discloses simple structure, practicality are strong.
Drawings
Fig. 1 is an external structure diagram of the present invention;
FIG. 2 is a schematic view showing the connection relationship between the oiling assembly and the oiling line;
wherein: 1. an oil injection tank; 11. an oil storage bin; 12. a flap; 2. an oiling component; 21. a cylinder body; 22. a piston; 23. a handle; 24. a connecting rod; 25. an elastic member; 3. an oil filling pipe; 4. an oil injection pipeline; 41. an oil inlet pipeline; 411. a one-way valve I; 42. an oil outlet pipeline; 421. a second one-way valve; 43. an oil return line; 431. an oil return stop valve; 20. and (4) oiling the object.
Detailed Description
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; either directly or indirectly through intervening media, either internally or in any other relationship. Reference herein to "first," "second," and similar words, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. In the implementation of the present application, "and/or" describes an association relationship of associated objects, which means that there may be three relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In the description of the embodiments of the present application, the meaning of "a plurality" means two or more unless otherwise specified. For example, the plurality of positioning posts refers to two or more positioning posts. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The present invention will be described in detail below.
As shown in fig. 1-2:
an unmanned aerial vehicle undercarriage oiling device comprises an oiling tank 1 provided with an oiling bin 11, an oiling component 2 arranged on the oiling tank 1, an oiling pipeline 4 positioned in the oiling tank 1 and communicated with the oiling component 2, an oiling pipe 3 positioned outside the oiling tank 1 and communicated with the outlet end of the oiling pipeline 4, and an oiling adapter joint communicated with the outlet end of the oiling pipe 3; the oil injection pipeline 4 is communicated with the oil storage bin 11.
When the undercarriage support or the brake system is filled with oil, the oil filling adapter is arranged on the undercarriage support or the brake system and then connected with the oil filling pipe 3, the other end of the oil filling pipe 3 is connected with the oil filling pipeline 4, and hydraulic oil in the oil storage bin 11 is conveyed into the undercarriage support or the brake system through the oil filling pipeline 4, the oil filling pipe 3 and the oil filling adapter through the oil filling component 2, so that oil filling is realized.
In some possible embodiments, in order to effectively realize that hydraulic oil can enter the landing gear bracket or the brake system under the driving of the oil injection assembly 2, and after oil injection is completed, the hydraulic oil in the pipeline can return to the oil storage bin 11;
the oil injection pipeline 4 comprises an oil inlet pipeline 41 with two ends respectively communicated with the oil injection assembly 2 and the oil injection assembly 2, an oil outlet pipeline 42 with two ends respectively communicated with the oil injection assembly 2 and the oil injection pipe 3, and an oil return pipeline 43 with two ends respectively communicated with the oil injection pipe 3 and the oil storage bin 11.
In some possible embodiments, a one-way valve 411 is arranged on the oil inlet line 41.
In some possible embodiments, a second check valve 421 is disposed on the oil outlet line 42.
The first check valve 411 is arranged to enable the hydraulic oil in the oil storage bin 11 to be only conveyed into the cylinder body 21 under the driving of the oil injection assembly 2, and the hydraulic oil in the cylinder body 21 cannot return to the oil storage bin 11;
the second check valve 421 is arranged to enable the hydraulic oil stored in the cylinder block 21 and coming from the oil storage bin 11 to be transported to one end of the oil injection pipe 3 only through the oil outlet pipe under the driving of the oil injection assembly 2, so that the hydraulic oil in the oil outlet pipe is not transported to the cylinder block 21, and the oil injection efficiency is greatly improved.
In some possible embodiments, an oil return shutoff valve 431 is provided on the oil return line 43; the oil return stop valve 431 comprises a valve body installed on the oil return pipeline 43, and a valve rod which is located outside the oil filling tank 1 and one end of which extends into the oil filling tank 1 and is connected with the valve body.
During oil injection, the oil return stop valve 431 will be in a closed state; after the oil injection is completed, the oil return stop valve 431 is opened, and the hydraulic oil in the oil outlet pipe and the oil injection pipe 3 returns to the liquid storage bin for storage.
In some possible embodiments, in order to effectively drive the hydraulic oil in the oil storage bin 11 to enter the landing gear bracket or the brake system along the oil filling pipeline 4, oil filling is realized;
the oil injection assembly 2 comprises a cylinder body 21 arranged at the top of the oil injection tank 1, a piston 22 arranged in the cylinder body 21, a handle 23 with one end hinged with the oil injection tank 1, and a connecting rod 24 with one end hinged with the handle 23 and the other end extending into the cylinder body 21 and connected with the piston 22; the handle 23 is positioned above the oil tank 1; the cylinder block 21 communicates with the filler pipe 4.
Preferably, the cylinder 21 is also arranged inside the tank 1, the piston 22 is mounted inside the cylinder 21, and the connecting rod 24 is connected to the piston 22 through the tank 1 into the cylinder 21.
The cylinder body 21 is arranged at the top of the oil injection tank 1 and comprises a sleeve arranged on the oil injection tank 1 and a top cover arranged at the top of the sleeve, and the piston 22 is arranged in the sleeve and is in small clearance fit with the inner wall of the sleeve; the handle 23 is positioned above the cylinder body 21, and one end of the handle is hinged with the oil injection tank 1; one end of the connecting rod 24 is hinged with the handle 23, the other end of the connecting rod is hinged with the piston 22 through the top cover, and preferably, the connecting rod 24, the piston 22 and the sleeve are coaxially arranged; the bottom of the sleeve is communicated with the oil outlet pipeline 42 and the oil inlet pipeline 41; the bottom of the piston 22, the inner side wall of the sleeve and the top of the main oil pipe form an oil storage cavity;
when the oil injection device is used, the free end of the handle 23 is held by hand, the control handle 23 moves close to and far away from one side of the oil injection pipe 3 around the hinged point of the control handle and the oil injection tank 1, so that the piston 22 is driven to do linear reciprocating motion in the sleeve along the axis of the sleeve, hydraulic oil in the oil storage bin 11 is pumped into the sleeve, and then the hydraulic oil is conveyed into the oil outlet pipeline 42;
in some possible embodiments, in order to ensure that the oil injection process is more labor-saving;
the oil injection assembly 2 further comprises an elastic piece 25 which is arranged in the cylinder body 21 and is positioned between the piston 22 and the top of the cylinder body 21, and two ends of the elastic piece 25 are respectively connected with one side, close to each other, of the top of the cylinder body 21 and the piston 22;
the elastic member 25 is fitted around the outside of the link 24.
The elastic piece 25 is arranged in the sleeve, one end of the elastic piece is connected with the inner side surface of the top cover, and the other end of the elastic piece is connected with the piston 22; when the device is not used, the elastic element 25 is in an initial state, the piston 22 moves downwards, and the elastic element 25 is in a stretching state so as to drive the piston 22 to move towards one side close to the top cover.
In some possible embodiments, the elastic member 25 is any one of a compression spring, a disc spring, and a plate spring;
preferably, as shown in fig. 2, the elastic member 25 is a compression spring, and two ends of the compression spring are respectively connected to the top of the cylinder 21 and one end of the piston 22 close to the handle 23; when the handle 23 moves to one side close to the oil injection tank 1 around a hinged point of the handle 23 and the oil injection tank 1, the piston 22 is driven to move to one side far away from the handle 23, when the handle moves to the maximum position, the compression spring is in a compression state, and the compression spring drives the piston 22 to recover to an initial state, so that the pressure in the cylinder body 21 is changed, and further hydraulic oil is conveyed from the oil storage bin 11 to the cylinder body 21, and as the handle 23 continuously moves to one side close to and far away from the cylinder body 21 around the hinged point, hydraulic oil entering the cylinder body 21 enters the oil outlet pipeline 42 through the cylinder body 21 and is conveyed to the oil injection pipe 3, and further hydraulic oil is conveyed to the oil injection object 20; after the oil injection is completed, the oil return stop valve 431 is opened, so that the hydraulic oil in the oil injection pipe 3 and the oil outlet pipe returns to the oil storage bin 11.
In some possible embodiments, in order to effectively achieve oiling of the landing gear carrier or the braking system;
the oil injection crossover sub is a strut oil injection crossover sub or a brake oil injection crossover sub.
The pillar oiling joint and the brake oiling adapter joint are both in the prior art and can be connected with a pillar and a brake system.
In some possible embodiments, the oil tank 1 is provided with an oil filling port communicated with an oil storage bin 11; a flap 12 is provided on the oil filler neck.
In order to effectively supplement the hydraulic oil into the oil storage bin 11 during the oil filling opening, the oil filling opening is sealed through the opening cover 12 after the supplement is completed.
The utility model utilizes manual pressurization to push the piston 22 to inject oil, has simple structure, convenient maintenance and low overall price, and is convenient for maintenance of the unmanned aerial vehicle;
the utility model discloses a change crossover sub, both can give undercarriage support oiling, can give undercarriage braking system oiling again, the commonality is stronger.
The utility model discloses both can be used for unmanned aerial vehicle assembly phase, can be used for ground service maintenance phase again, and the suitability is stronger.
The utility model is simple in operation, the use can be mastered through simple training to the ground service maintainer, does not relate to electric mechanism, and the security is good.
The present invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.
Claims (10)
1. An unmanned aerial vehicle landing gear oiling device is characterized by comprising an oiling tank provided with an oiling bin, an oiling assembly arranged on the oiling tank, an oiling pipeline positioned in the oiling tank and communicated with the oiling assembly, an oiling pipe positioned outside the oiling tank and communicated with the outlet end of the oiling pipeline, and an oiling adapter joint communicated with the outlet end of the oiling pipe; the oil injection pipeline is communicated with the oil storage bin.
2. The unmanned aerial vehicle landing gear oiling device of claim 1, wherein the oiling pipeline comprises an oiling pipeline with two ends respectively communicated with the oiling assembly and the oiling assembly, an oiling pipeline with two ends respectively communicated with the oiling assembly and the oiling pipe, and an oil return pipeline with two ends respectively communicated with the oiling pipe and the oil storage bin.
3. The unmanned aerial vehicle landing gear oiling device of claim 2, wherein a first check valve is arranged on the oil inlet pipeline.
4. The device of claim 2, wherein a second check valve is disposed in the outlet line.
5. The unmanned aerial vehicle landing gear oiling device according to claim 2, wherein an oil return stop valve is arranged on the oil return pipeline; the oil return stop valve comprises a valve body arranged on an oil return pipeline and a valve rod which is positioned outside the oil injection tank and one end of which extends into the oil injection tank and is connected with the valve body.
6. The unmanned aerial vehicle landing gear oiling device of claim 1, wherein the oiling component comprises a cylinder body mounted at the top of the oiling tank, a piston mounted in the cylinder body, a handle with one end hinged to the oiling tank, and a connecting rod with one end hinged to the handle and the other end extending into the cylinder body and connected with the piston; the handle is positioned above the oil filling tank; the cylinder body is communicated with the oil filling pipeline.
7. The unmanned aerial vehicle landing gear oiling device according to claim 6, wherein the oiling assembly further comprises an elastic part which is arranged in the cylinder body and is positioned between the piston and the top of the cylinder body, and two ends of the elastic part are respectively connected with the top of the cylinder body and one side, close to the piston, of the piston;
the elastic piece is sleeved on the outer side of the connecting rod.
8. The device of claim 7, wherein the resilient member is any one of a compression spring, a disc spring, and a leaf spring.
9. The device of any of claims 1-8, wherein the oiling transition sub is a strut oiling transition sub or a brake oiling transition sub.
10. The unmanned aerial vehicle landing gear oiling device of claim 9, wherein an oiling port communicated with the oil storage bin is arranged on the oiling tank; and a cover is arranged on the oil filling port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221815079.XU CN217945556U (en) | 2022-07-14 | 2022-07-14 | Unmanned aerial vehicle undercarriage oiling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221815079.XU CN217945556U (en) | 2022-07-14 | 2022-07-14 | Unmanned aerial vehicle undercarriage oiling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217945556U true CN217945556U (en) | 2022-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221815079.XU Active CN217945556U (en) | 2022-07-14 | 2022-07-14 | Unmanned aerial vehicle undercarriage oiling device |
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| Country | Link |
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| CN (1) | CN217945556U (en) |
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- 2022-07-14 CN CN202221815079.XU patent/CN217945556U/en active Active
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