CN213109294U - Brake oil pressure produces device and unmanned aerial vehicle suitable for large-scale unmanned aerial vehicle - Google Patents

Brake oil pressure produces device and unmanned aerial vehicle suitable for large-scale unmanned aerial vehicle Download PDF

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Publication number
CN213109294U
CN213109294U CN202021862805.4U CN202021862805U CN213109294U CN 213109294 U CN213109294 U CN 213109294U CN 202021862805 U CN202021862805 U CN 202021862805U CN 213109294 U CN213109294 U CN 213109294U
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brake
mounting seat
driving
hydraulic oil
oil pressure
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CN202021862805.4U
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Chinese (zh)
Inventor
龚成
杨砚恒
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Nanjing Tuoxing Intelligent Control Technology Co ltd
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Nanjing Tuoxing Intelligent Control Technology Co ltd
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Abstract

The utility model belongs to the technical field of unmanned aerial vehicle, concretely relates to brake oil pressure produces device and unmanned aerial vehicle suitable for large-scale unmanned aerial vehicle, this brake oil pressure produces the device and is arranged in impressing the brake caliper of unmanned aerial vehicle brake mechanism with hydraulic oil, include: the hydraulic oil cylinder is used for pressing hydraulic oil into the brake calipers; the hydraulic oil pipe is used for communicating the hydraulic oil cylinder with the brake caliper; the driving device is used for driving the hydraulic oil cylinder to move; the transmission connecting rod is used for transmitting the driving force of the driving device to the hydraulic oil cylinder; and the spring is directly connected between the driving device and the transmission connecting rod and is used for buffering the driving force. The utility model provides a brake oil pressure produces device and unmanned aerial vehicle suitable for large-scale unmanned aerial vehicle through the mode of adding the spring at drive arrangement and transmission connecting rod for the spring passes through the transmission connecting rod and produces a stable pressure on hydraulic cylinder, produces a stable oil pressure then, is favorable to controlling the brake power, improves brake braking effect.

Description

Brake oil pressure produces device and unmanned aerial vehicle suitable for large-scale unmanned aerial vehicle
Technical Field
The utility model relates to an unmanned air vehicle technique field, concretely relates to brake oil pressure produces device and unmanned aerial vehicle suitable for large-scale unmanned aerial vehicle.
Background
Large-scale unmanned aerial vehicle adopts the mode of rolloff take-off and landing usually, when unmanned aerial vehicle need the braking of slowing down at subaerial landing rolloff, will use brake mechanism, through the wheel of brake mechanism control unmanned aerial vehicle undercarriage bottom. Brake mechanism includes brake caliper and brake block, and current large-scale unmanned aerial vehicle adopts the oil pressure braking mode usually, impresses the brake oil through hydraulic cylinder in the oil chamber in the brake caliper promptly, through the piston motion in promoting brake caliper to the pressurized mode of grease chamber, and the piston promotes the brake block, and brake block friction brake disc, and then makes the wheel stop, and the pressure of hydraulic oil is big more, and the braking power is big more, and braking effect is better.
The displacement size that current oil pressure production device mostly removed through mechanical system direct control hydraulic cylinder changes the oil pressure, and this kind of mode makes the produced pressure of hydro-cylinder unstable to make the braking force change great, be unfavorable for stable braking, the phenomenon that the aircraft rocked appears easily, braking effect is not good enough.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned technical problem, provide a brake oil pressure produces device and unmanned aerial vehicle suitable for large-scale unmanned aerial vehicle, can produce stable oil pressure, be favorable to controlling the brake power, improve the brake braking effect.
In order to achieve the technical effects, the utility model adopts the following technical scheme: the utility model provides a brake oil pressure produces device suitable for large-scale unmanned aerial vehicle, this brake oil pressure produces device and is arranged in impressing the brake caliper of unmanned aerial vehicle brake mechanism with hydraulic oil, include:
the hydraulic oil cylinder is used for pressing hydraulic oil into the brake calipers;
the hydraulic oil pipe is used for communicating the hydraulic oil cylinder with the brake caliper;
the driving device is used for driving the hydraulic oil cylinder to move;
the transmission connecting rod is used for transmitting the driving force of the driving device to the hydraulic oil cylinder;
and the spring is directly connected between the driving device and the transmission connecting rod and is used for buffering the driving force.
The utility model provides a brake oil pressure produces device drives the motion of transmission connecting rod through the drive arrangement motion, and hydraulic cylinder is sent with drive arrangement's drive power to transmission connecting rod, and hydraulic cylinder conveys hydraulic oil to brake caliper's oil chamber through hydraulic pressure oil pipe in to promote the piston motion in the oil chamber, the piston promotes the brake block motion, and then plays the braking action to unmanned aerial vehicle's wheel. In addition, springs are added in the driving device and the transmission connecting rod support, and the driving force generated by the driving device is buffered through the springs, so that the phenomenon that the oil pressure generated in the hydraulic oil cylinder is unstable, and further the braking force is suddenly changed to cause poor stability is avoided.
As the preferred structure of the utility model, the utility model also comprises a base, wherein the base is respectively provided with a first mounting seat,
The mounting structure comprises a first mounting seat, a second mounting seat and a third mounting seat, wherein the first mounting seat and the third mounting seat are located at two ends of a base, the second mounting seat is located between the first mounting seat and the third mounting seat, and the relative heights of the first mounting seat, the second mounting seat and the third mounting seat are sequentially increased.
As the preferred structure of the utility model, the bottom end of the transmission connecting rod is hinged with the first mounting seat
On, drive arrangement level is located base top and one end are fixed the top of third mount pad, spring horizontal connection be in the upper end of transmission connecting rod with between the drive arrangement.
As the utility model discloses an optimized structure, hydraulic cylinder level is located drive arrangement with end
Between the seats, one end of the hydraulic oil cylinder is hinged on the transmission connecting rod, and the other end of the hydraulic oil cylinder is fixed on the second mounting seat.
As the utility model discloses an optimal structure, hydraulic cylinder includes cylinder and piston rod, the piston rod
The one end of the connecting rod is connected with the transmission connecting rod through a first U-shaped support, the transmission connecting rod is provided with a lug which is inserted into the first U-shaped support and is connected with the first U-shaped support through a first rotating shaft.
On the other hand, the utility model provides an unmanned aerial vehicle, which comprises a flight controller, an undercarriage, wheels,
Brake mechanism and cabin, brake mechanism includes brake caliper and brake block, brake mechanism is used for braking the wheel, the wheel sets up the undercarriage bottom still includes foretell brake oil pressure and produces the device, brake oil pressure produces the device and locates in the cabin.
By adopting the technical scheme, the method has the following beneficial effects: the utility model provides a brake oil pressure produces device and unmanned aerial vehicle suitable for large-scale unmanned aerial vehicle through the mode of adding the spring at drive arrangement and transmission connecting rod for the spring passes through the transmission connecting rod and produces a stable pressure on hydraulic cylinder, produces a stable oil pressure then, is favorable to controlling the brake power, improves brake braking effect.
Drawings
Fig. 1 is a schematic structural diagram of a brake oil pressure generating device suitable for a large-scale unmanned aerial vehicle according to an embodiment of the present invention;
fig. 2 is the embodiment of the utility model provides an unmanned aerial vehicle's schematic structure diagram.
In the figure:
1. a base; 1.1, a first mounting seat; 1.2, a second mounting seat; 1.21, a first support frame; 1.3, a third mounting seat; 1.31, a second support frame; 2. a drive device; 2.1, a third connecting block; 2.2, a second connecting block; 3. a spring; 4. a transmission connecting rod; 4.1, ear piece; 5. a hydraulic cylinder; 5.1, a cylinder barrel; 5.11, a first connecting block; 5.2, a piston rod; 6. a hydraulic oil pipe; 7. a second U-shaped bracket; 8. a third U-shaped bracket; 9. a third rotating shaft; 10. a fourth rotating shaft; 11. a first rotating shaft; 12. a first U-shaped bracket; 13. a sixth rotating shaft; 14. a second rotating shaft; 15. a fifth rotating shaft;
100. a nacelle; 101. a landing gear; 102. a wheel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the accompanying drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "coupled" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
"plurality" means two or more unless otherwise specified.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
The first embodiment is as follows:
the embodiment provides a brake oil pressure generating device suitable for a large-scale unmanned aerial vehicle, and referring to the figure, the brake oil pressure generating device is used for pressing hydraulic oil into a brake caliper of a brake mechanism of the unmanned aerial vehicle, and comprises a hydraulic oil cylinder 5, a hydraulic oil pipe 6, a driving device 2, a transmission connecting rod 4 and a spring 3, wherein the hydraulic oil cylinder 5 is used for pressing the hydraulic oil into the brake caliper; the hydraulic oil pipe is used for communicating the hydraulic oil cylinder with the brake caliper; the driving device is used for driving the hydraulic oil cylinder to move, the driving device can be an electric push rod or a steering engine, in the embodiment, the electric push rod is preferred, the driving device is connected with a flight controller of the unmanned aerial vehicle, and the driving device is controlled to work through the flight controller; the transmission connecting rod is used for transmitting the driving force of the driving device to the hydraulic oil cylinder; the spring is connected between the driving device and the transmission connecting rod directly and used for buffering the driving force.
The brake oil pressure that this embodiment provided produces the device, through the motion of drive arrangement drive transmission connecting rod, transmission connecting rod sends drive power of drive arrangement to hydraulic cylinder, and hydraulic cylinder conveys hydraulic oil to brake caliper's oil chamber through hydraulic pressure oil pipe in to promote the piston motion in the oil chamber, the piston promotes the brake block motion, and then plays the braking action to unmanned aerial vehicle's wheel. In addition, springs are added in the driving device and the transmission connecting rod support, and the driving force generated by the driving device is buffered through the springs, so that the phenomenon that the oil pressure generated in the hydraulic oil cylinder is unstable, and further the braking force is suddenly changed to cause poor stability is avoided.
Example two:
on the basis of the first embodiment, the brake oil pressure generating device that this embodiment provided still includes base 1, be equipped with first mount pad 1.1, second mount pad 1.2 and third mount pad 1.3 on the base respectively, first mount pad 1.1 and third mount pad 1.3 are located the both ends of base 1, the second mount pad is located first mount pad with between the third mount pad, the relative height of first mount pad, second mount pad, third mount pad increases in proper order. The bottom end of the transmission connecting rod 4 is hinged to the first mounting seat, and specifically, is connected with the first mounting seat through a sixth rotating shaft 13. The driving device is horizontally arranged above the base, one end of the driving device is fixed to the top end of the third mounting seat, and the spring is horizontally connected between the upper end of the transmission connecting rod and the driving device. The hydraulic oil cylinder 5 is horizontally arranged between the driving device 2 and the base 1, one end of the hydraulic oil cylinder 5 is hinged on the transmission connecting rod 4, and the other end of the hydraulic oil cylinder 5 is fixed on the second mounting seat 1.2.
The hydraulic oil cylinder 5 comprises a cylinder barrel 5.1 and a piston rod 5.2, and one end of the piston rod passes through a first U
The shape support 12 is connected with the transmission connecting rod 4, a lug 4.1 protrudes from the transmission connecting rod 4, and the lug 4.1 is inserted into the first U-shaped support 12 and is connected with the first U-shaped support 12 through a first rotating shaft 11.
The brake oil pressure produces the device that this embodiment provided, through transmission connecting rod with drive arrangement and hydraulic cylinder connection, transmission connecting rod's bottom articulates on the base, drive arrangement passes through the spring and is connected with transmission connecting rod's upper end, hydraulic cylinder connection is in transmission connecting rod middle part position under leaning on, transmission connecting rod has formed a lever structure, when electric putter pulling spring, spring pulling transmission connecting rod upper end moves to the drive arrangement direction, transmission connecting rod bottom rotates around first mount pad, and simultaneously, hydraulic cylinder's piston rod moves towards the second mount pad direction under transmission connecting rod's promotion, the hydraulic oil in the hydraulic cylinder is promoted to the piston rod, and pass through hydraulic pressure oil pipe with hydraulic oil and input brake caliper in. The spring plays the cushioning effect to the produced drive power of drive arrangement for drive power comparatively stable change, and then makes hydraulic cylinder produce stable oil pressure, and this oil pressure corresponds the braking force, and the braking force plays braking effect to the wheel.
Preferably, the second mounting seat 1.2 comprises two oppositely arranged first supporting frames 1.21, and the cylinder barrel
One end of the first connecting block is provided with a first connecting block 5.11, the first connecting block extends into the space between the two first supporting frames 1.21, and the first connecting block 5.11 and the first supporting frames 1.21 are fixed through a second rotating shaft 14. The two ends of the spring 3 are respectively connected to a second U-shaped support 7 and a third U-shaped support 8, the second U-shaped support 7 is connected with the transmission connecting rod 4 through a third rotating shaft 9, and the third U-shaped support 8 is connected with the driving device through a fourth rotating shaft 10.
The third mounting seat 1.3 includes two second support frames 1.31 arranged oppositely, two ends of the driving device 2 are respectively connected with a second connecting block 2.2 and a third connecting block 2.1, the third connecting block 2.1 is inserted into the third U-shaped support 8 and is connected through a fourth rotating shaft 10, and the second connecting block 2.2 is inserted into the two second support frames 1.31 and is connected with the second support frames through a fifth rotating shaft 15.
Example three:
on the basis of above-mentioned embodiment, this embodiment provides an unmanned aerial vehicle, including flight control ware, undercarriage, wheel, brake mechanism and cabin, brake mechanism includes brake caliper and brake block, brake mechanism is used for braking the wheel, the wheel sets up the undercarriage bottom still includes foretell brake oil pressure and produces the device, brake oil pressure produces the device and locates in the cabin, specifically, the base can pass through the connecting piece, for example the screw fixation is bottom in the cabin, and connection structure, position and the brake principle between brake mechanism and the wheel are common general knowledge, and this embodiment is no longer specifically expounded. Flight controller is connected with the drive arrangement that brake oil pressure produced the device, control drive arrangement work, drive arrangement is electric putter, electric putter stimulates the spring, the spring passes through the transmission connecting rod and produces a stable pressure on hydraulic cylinder, produce a stable oil pressure then, hydraulic oil passes through during hydraulic pressure oil pipe inputs the grease chamber in the brake caliper, through the piston motion in the pressurized mode promotion brake caliper to grease chamber, the piston promotes the brake block, brake block friction brake disc, and then make the wheel stop.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a brake oil pressure produces device suitable for large-scale unmanned aerial vehicle, this brake oil pressure produces device and is arranged in impressing the brake caliper of unmanned aerial vehicle brake mechanism with hydraulic oil, its characterized in that includes:
the hydraulic oil cylinder (5) is used for pressing hydraulic oil into the brake calipers;
the hydraulic oil pipe (6) is used for communicating the hydraulic oil cylinder (5) with the brake calipers;
the driving device (2) is used for driving the hydraulic oil cylinder (5) to move;
the transmission connecting rod (4) is used for transmitting the driving force of the driving device (2) to the hydraulic oil cylinder (5);
the spring (3) is connected between the driving device (2) and the transmission connecting rod (4) directly and used for buffering driving force.
2. The brake oil pressure generating apparatus according to claim 1, wherein the driving device (2) is an electric push rod.
3. The brake oil pressure generating device according to claim 1, further comprising a base (1), wherein the base (1) is provided with a first mounting seat (1.1), a second mounting seat (1.2) and a third mounting seat (1.3), the first mounting seat (1.1) and the third mounting seat (1.3) are located at two ends of the base (1), the second mounting seat (1.2) is located between the first mounting seat (1.1) and the third mounting seat (1.3), and the relative heights of the first mounting seat (1.1), the second mounting seat (1.2) and the third mounting seat (1.3) are sequentially increased.
4. The brake oil pressure generating device according to claim 3, wherein the bottom end of the transmission link (4) is hinged to the first mounting seat (1.1), the driving device (2) is horizontally arranged above the base (1) and one end of the driving device is fixed to the top end of the third mounting seat (1.3), and the spring (3) is horizontally connected between the upper end of the transmission link (4) and the driving device (2).
5. The brake oil pressure generating device according to claim 4, wherein the hydraulic oil cylinder (5) is horizontally arranged between the driving device (2) and the base (1), one end of the hydraulic oil cylinder (5) is hinged on the transmission connecting rod (4), and the other end of the hydraulic oil cylinder is fixed on the second mounting seat (1.2).
6. The brake oil pressure generating device according to claim 5, wherein the hydraulic oil cylinder (5) comprises a cylinder (5.1) and a piston rod (5.2), one end of the piston rod (5.2) is connected with the transmission connecting rod (4) through a first U-shaped bracket (12), a lug (4.1) protrudes from the transmission connecting rod (4), and the lug (4.1) is inserted into the first U-shaped bracket (12) and is connected with the lug (4.1) and the first U-shaped bracket (12) through a first rotating shaft (11).
7. The brake oil pressure generating device according to claim 6, wherein the second mounting seat (1.2) comprises two oppositely arranged first support frames (1.21), one end of the cylinder (5.1) is provided with a first connecting block (5.11), and the first connecting block (5.11) extends between the two first support frames (1.21) and fixes the first connecting block (5.11) and the first support frames (1.21) through the second rotating shaft (14).
8. The brake oil pressure generating apparatus according to claim 4, wherein both ends of the spring (3) are connected to a second U-shaped bracket (7) and a third U-shaped bracket (8), respectively, the second U-shaped bracket (7) is connected to the transmission link (4) through a third rotating shaft (9), and the third U-shaped bracket (8) is connected to the driving device (2) through a fourth rotating shaft (10).
9. The brake oil pressure generating device according to claim 8, wherein the third mounting seat (1.3) comprises two second support frames (1.31) which are arranged oppositely, two ends of the driving device (2) are respectively connected with a second connecting block (2.2) and a third connecting block (2.1), the third connecting block (2.1) is inserted into the third U-shaped support frame (8) and connected through a fourth rotating shaft (10), and the second connecting blocks (2.2) are inserted into the two second support frames (1.31) and connected with the second support frames through a fifth rotating shaft (15).
10. An unmanned aerial vehicle, includes flight control ware, undercarriage (101), wheel (102), brake mechanism and cabin (100), brake mechanism includes brake caliper and brake block, brake mechanism is used for braking wheel (102), wheel (102) set up undercarriage (101) bottom, its characterized in that still includes the brake oil pressure generating device in any one of claims 1-9, brake oil pressure generating device locates in cabin (100).
CN202021862805.4U 2020-08-31 2020-08-31 Brake oil pressure produces device and unmanned aerial vehicle suitable for large-scale unmanned aerial vehicle Active CN213109294U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021862805.4U CN213109294U (en) 2020-08-31 2020-08-31 Brake oil pressure produces device and unmanned aerial vehicle suitable for large-scale unmanned aerial vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021862805.4U CN213109294U (en) 2020-08-31 2020-08-31 Brake oil pressure produces device and unmanned aerial vehicle suitable for large-scale unmanned aerial vehicle

Publications (1)

Publication Number Publication Date
CN213109294U true CN213109294U (en) 2021-05-04

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