Simple distance measuring device for small aircraft

Abstract

The utility model relates to a flight distance measuring tool, and particularly discloses a simple distance measuring device for a small airplane, which is provided with an adjustable bracket and an optical assembly, the adjustable bracket is connected to a relatively fixed structure at a driving position of the small aircraft; the optical assembly is composed of a shell, an objective lens and an eyepiece, wherein the objective lens and the eyepiece are arranged at two ends of the shell. The focal length of the objective lens is larger than that of the eyepiece. The optical assembly is connected to the adjustable support through a universal damping ball head connector. According to the utility model, the distance measuring device is fixed on the relative fixed structure at the driving position through the adjustable bracket, so that the installation is convenient; observation is carried out through the eyepiece and the objective lens of the optical assembly, the distance between the device and a front aircraft or a ground obstacle can be determined, operation is easy and convenient, and compared with visual inspection, the device is higher in precision, low in manufacturing cost and suitable for popularization.

Description

Technical Field

[0001] The utility model relates to a flight distance measuring tool, in particular to a simple distance measuring device for small aircraft. Background Art

[0002] At present, domestic civil aviation flight activities are carried out in two forms: instrument flight rules and visual flight rules.

[0003] According to the "Civil Aviation Air Traffic Management Rules", when flying under visual flight rules, aircraft pilots must strengthen aerial observation and be responsible for maintaining the correct interval between aircraft and the safe height of aircraft from ground obstacles. That is, when flying under visual flight rules, the air traffic controller proposes the safe interval value between aircraft, and the aircraft pilot maintains this fixed safe interval value through aerial observation.

[0004] At present, pilots of large aircraft mainly rely on onboard equipment to judge the distance between aircraft in the air. The aircraft position information is input into the onboard computer through satellite and radio, and the horizontal distance between them is calculated by the computer (such as ADS-Bin or TCAS and other technologies). This type of technology is highly accurate and reliable.

[0005] However, most small aircraft (such as sports aircraft and Class A aircraft) are not equipped with the above-mentioned airborne distance measuring equipment. Therefore, pilots of such small aircraft mainly rely on visual observation of the positions of other aircraft and autonomously estimate the distance between aircraft through human visual senses. This is highly subjective and has low accuracy, posing a major safety hazard. In addition, the subsequent installation of airborne distance measuring equipment used in large aircraft on small aircraft will have high installation costs, strict airworthiness certification requirements, and great technical difficulty in promotion. Utility Model Content

[0006] The technical purpose of the utility model is to provide a simple distance measuring device for small aircraft with simple manufacturing structure, low manufacturing cost and easy promotion in view of the particularity of technical requirements for aircraft flight and the shortcomings of the existing technology.

[0007] The technical purpose of the utility model is achieved through the following technical solutions: a simple distance measuring device for a small aircraft, the distance measuring device having an adjustable bracket and an optical component;

[0008] The adjustable bracket is connected to a relatively fixed structure at the driving position of the small aircraft;

[0009] The optical assembly is composed of a housing and an objective lens and an eyepiece at both ends of the housing, and the focal length of the objective lens is greater than that of the eyepiece;

[0010] The optical component is connected to the adjustable bracket by a universal damping ball head connector.

[0011] The simple distance measuring device for small aircraft of the above technical measures is fixed on a relatively fixed structure at the driving position by an adjustable bracket, and the installation cost is low; and the distance can be determined by observing the eyepiece and objective lens of the optical component connected by the universal damping ball head. The distance measuring principle is simple and easy to use, and is more accurate than the driver's visual observation relying on sense organs.

[0012] The adjustable bracket comprises a support rod, a ratchet rod and an adjustment cylinder;

[0013] The support rods are arranged in a horizontal structure and are used to connect to a relatively fixed structure at the driving position;

[0014] The spindle is fixed on the support rod in a vertical structure, and the lower end of the spindle extends downward from the bottom of the support rod;

[0015] The adjusting cylinder is axially sleeved on the ratchet rod at the lower part of the support rod, and a spring buckle 1 is connected to the upper part of the adjusting cylinder, and the spring buckle 1 has ratchet teeth that can extend into the inner hole of the adjusting cylinder;

[0016] The ratchet teeth of the spring buckle 1 and the ratchet rod form a push-slide matching structure from bottom to top, and a locking matching structure from top to bottom.

[0017] The simple ranging device for small aircraft with the above technical measures fixes the entire device to a relatively fixed structure at the cockpit through a horizontally arranged support rod. The axial length of the device can be controlled and adjusted by axially fitting the ratchet rod and the adjustment tube and controlling a pair of ratchets with a spring buckle. At the same time, it is convenient for the driver to adjust the optical components up and down according to his own situation, and the operation is simple.

[0018] The adjustable bracket also has a fixing cylinder;

[0019] The fixing tube is fixedly connected to the upper part of the support rod, and a second spring buckle is connected to the fixing tube, and the second spring buckle has a ratchet that can extend into the inner hole of the fixing tube;

[0020] The upper part of the ratchet rod is axially sleeved in the inner hole of the fixing tube, and the ratchet teeth of the spring buckle 2 and the upper part of the ratchet rod form a locking matching structure from bottom to top, and a pushing and sliding matching structure from top to bottom.

[0021] The simple distance measuring device for small aircraft with the above technical measures can better adjust the axial height of the device through the cooperation between the spring buckle 2 connected to the fixing tube and the ratchet of the ratchet rod, and the operation is convenient.

[0022] The adjustable bracket has two support rods arranged at an upper and lower interval;

[0023] Each support rod is provided with a fixed spring clamp and a movable spring clamp with matching spacing on one side opposite to the ratchet rod, and the support rod is provided with a slide rail for the movable spring clamp to adjust the relative position;

[0024] The support rod is connected to a relatively fixed structure at the driving position through a fixed spring clamp and a movable spring clamp with matching and adjustable spacing.

[0025] The simple distance measuring device for small aircraft of the above technical measures has a fixed spring clamp and a movable spring clamp with matching spacing on the support rod. The movable spring clamp can move in the corresponding slide rail and can be better fixed in a relatively fixed position of the driving seat. It has low manufacturing cost and convenient installation.

[0026] The relatively fixed structure at the driving position is a sunshade at the driving seat.

[0027] The focal length of the objective lens of the optical assembly is 3 to 5 times the focal length of the eyepiece. The eyepiece of the optical assembly is provided with a distance scale. This technical measure allows the driver to easily and quickly calculate whether the distance meets the safety interval value by combining the focal length ratio of the objective lens and the eyepiece with the distance scale on the eyepiece.

[0028] The small aircraft is a Class A aircraft or a light sports aircraft.

[0029] The beneficial technical effects of the utility model are as follows: in view of the particularity of the technical requirements for aircraft flight, the utility model fixes the distance measuring device on a relatively fixed structure at the driving position by cooperating with a fixed spring clamp and a movable spring clamp, and the installation is convenient, the manufacturing cost is low, and it is suitable for promotion; the axial height can be easily adjusted by cooperating with the adjusting tube and the ratchet rod, and the aircraft pilot can determine the distance to the aircraft in front or the ground obstacle by observing through the eyepiece and the objective lens of the optical component connected to the universal damping ball head, the operation is simple, the distance measuring principle is simple and easy to use, and the accuracy is higher than that of visual observation. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a structural schematic diagram of the utility model.

[0031] Figure 2 for Figure 1 Schematic diagram of the back structure.

[0032] Figure 3 for Figure 1 Schematic diagram of the side structure.

[0033] Figure 4 for Figure 1 A local enlarged schematic diagram of the .

[0034] The meaning of the codes in the figure are: 1—adjustable bracket; 11—support rod; 12—ratchet rod; 13—adjusting tube; 14—fixed tube; 2—optical component; 21—housing; 22—objective lens; 23—eyepiece; 24—distance scale; 3—universal damping ball head layer; 4—spring buckle one; 6—spring buckle two; 7—fixed spring clamp; 8—movable spring clamp; 9—slide rail. DETAILED DESCRIPTION

[0035] The utility model relates to a flight distance measuring tool, specifically a simple distance measuring device for small aircraft, as shown below in conjunction with the accompanying drawings of the specification - Figure 1 , Figure 2 , Figure 3 and Figure 4 The technical solution of the utility model is clearly and in detail explained.

[0036] It should be noted that the drawings of the present invention are schematic, and unnecessary details have been simplified to clarify the technical purpose of the present invention, so as to avoid blurring the technical solution of the present invention in the prior art. In addition, the expressions "approximately" and "substantially" in the following text regarding quantity or matching relationship mean that reasonable assembly errors and processing errors in the industry are allowed to exist, and do not literally express absolute quantity or matching relationship.

[0037] Example 1

[0038] See also Figure 1-Figure 4 Shown is a simple distance measuring device for a small aircraft, which comprises an adjustable bracket 1 and an optical component 2.

[0039] The adjustable bracket 1 comprises two support rods 11 , a ratchet rod 12 and an adjustment tube 13 .

[0040] Specifically, the two support rods 11 are arranged in a horizontal structure, and each support rod 11 is opposite to the side of the ratchet rod 12, and has a fixed spring clamp 7 and a movable spring clamp 8 with matching spacing, and a slide rail 9 for the movable spring clamp 8 to adjust the relative position; the movable spring clamp 8 is fixed at a relatively fixed position of the driving seat (such as a sun visor in front of the driving seat) by sliding horizontally in the slide rail 9 and matching the spacing of the fixed spring clamp 7.

[0041] The upper portion of the support rod 11 is fixedly connected to a fixing tube 14 , and the fixing tube 14 is connected to a spring buckle 6 having a ratchet structure that can extend into the inner hole of the fixing tube.

[0042] When the fixing tube 14 is fixed on the ratchet rod 12, the ratchet teeth of the spring buckle 6 extending into the inner hole of the fixing tube form a locking matching structure from bottom to top and a sliding matching structure from top to bottom with the upper part of the ratchet rod 12, so that the ratchet rod 12 is fixedly connected to the support rod 11 in a vertical structure.

[0043] The ratchet rod 12 has ratchet teeth arranged continuously, and the lower end of the ratchet rod 12 extends downward from the bottom of the support rod 11 . An adjusting cylinder 13 is installed at the bottom end of the ratchet rod 12 .

[0044] A spring buckle 4 is connected to the upper part of the adjusting cylinder 13. The spring buckle 4 has ratchet teeth that can extend into the inner hole of the adjusting cylinder 13. The ratchet teeth of the spring buckle 4 cooperate with the ratchet rod 12 to form a sliding matching structure from bottom to top and a locking matching structure from top to bottom. With this structural matching, the adjusting cylinder 13 is fixedly connected to the ratchet rod 12 in a vertical structure.

[0045] Specifically, the driver can adjust the depth of the ratchet rod 12 inserted into the adjustment tube 13 by pressing the spring buckle 14.

[0046] The bottom of the adjustment tube 13 is also connected to a universal damping ball head 3, and the optical component 2 is connected through the universal damping ball head 3. The optical component 2 can arbitrarily change the observation position in the horizontal direction through the connected universal damping ball head 3.

[0047] Furthermore, the optical component 2 is composed of a housing 21 and an objective lens 22 and an eyepiece 23 at two ends of the housing 21 .

[0048] The focal length of the objective lens 22 is three times that of the eyepiece 23 .

[0049] The eyepiece 3 also has a distance scale 24. The driver can quickly adjust the position of the optical component 2 by adjusting the tube 13 and the universal damping ball head 3, and can quickly determine the distance to the target by observing the image of the target on the distance scale 24 through the eyepiece 23.

[0050] Example 2

[0051] See also Figure 1-Figure 4 Shown is a simple distance measuring device for a small aircraft, which comprises an adjustable bracket 1 and an optical component 2.

[0052] The adjustable bracket 1 comprises two support rods 11 , a ratchet rod 12 and an adjustment tube 13 .

[0053] Specifically, the two support rods 11 are arranged in a horizontal structure, and each support rod 11 is opposite to the side of the ratchet rod 12, and has a fixed spring clamp 7 and a movable spring clamp 8 with matching spacing, and a slide rail 9 for the movable spring clamp 8 to adjust the relative position; the movable spring clamp 8 is fixed at a relatively fixed position of the driving seat (such as a sun visor in front of the driving seat) by sliding horizontally in the slide rail 9 and matching the spacing of the fixed spring clamp 7.

[0054] The upper portion of the support rod 11 is fixedly connected to a fixing tube 14 , and the fixing tube 14 is connected to a spring buckle 6 having a ratchet structure that can extend into the inner hole of the fixing tube.

[0055] When the fixing tube 14 is fixed on the ratchet rod 12, the ratchet teeth of the spring buckle 6 extending into the inner hole of the fixing tube form a locking matching structure from bottom to top and a sliding matching structure from top to bottom with the upper part of the ratchet rod 12, so that the ratchet rod 12 is fixedly connected to the support rod 11 in a vertical structure.

[0056] The ratchet rod 12 has ratchet teeth arranged continuously, and the lower end of the ratchet rod 12 extends downward from the bottom of the support rod 11 . An adjusting cylinder 13 is installed at the bottom end of the ratchet rod 12 .

[0057] A spring buckle 4 is connected to the upper part of the adjusting cylinder 13. The spring buckle 4 has ratchet teeth that can extend into the inner hole of the adjusting cylinder 13. The ratchet teeth of the spring buckle 4 cooperate with the ratchet rod 12 to form a sliding matching structure from bottom to top and a locking matching structure from top to bottom. With this structural matching, the adjusting cylinder 13 is fixedly connected to the ratchet rod 12 in a vertical structure.

[0058] Specifically, the driver can adjust the depth of the ratchet rod 12 inserted into the adjustment tube 13 by pressing the spring buckle 14.

[0059] The bottom of the adjustment tube 13 is also connected to a universal damping ball head 3, and the optical component 2 is connected through the universal damping ball head 3. The optical component 2 can arbitrarily change the observation position in the horizontal direction through the connected universal damping ball head 3.

[0060] Furthermore, the optical component 2 is composed of a housing 21 and an objective lens 22 and an eyepiece 23 at two ends of the housing 21 .

[0061] The focal length of the objective lens 22 is 5 times that of the eyepiece 23 .

[0062] The eyepiece 3 also has a distance scale 24. The driver can quickly adjust the position of the optical component 2 by adjusting the tube 13 and the universal damping ball head 3, and can quickly determine the distance to the target by observing the image of the target on the distance scale 24 through the eyepiece 23.

[0063] The above embodiments are only used to illustrate the present invention, but not to limit it.

[0064] Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the specific technical solutions in the above embodiments, or make equivalent replacements for some of the technical features therein, for example, no cooling medium circulation loop is established between the cooling channel of the cooling pipe and the cooling channel of the cooling ring layer, but the cooling medium forms a dual-channel heat exchange structure with co-directional flow, etc.; and these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the present invention.

Claims

1. A simple distance measuring device for a small aircraft, characterized in that: The distance measuring device comprises an adjustable bracket (1) and an optical component (2); The adjustable bracket (1) is connected to a relatively fixed structure at the driving position of the small aircraft; The optical component (2) is composed of a housing (21) and an objective lens (22) and an eyepiece (23) at two ends of the housing (21); the focal length of the objective lens (22) is greater than that of the eyepiece (23); The optical component (2) is connected to the adjustable bracket (1) via a universal damping ball head (3) connector.

2. The simplified distance measuring device for small aircraft according to claim 1, characterized in that: The adjustable bracket (1) comprises a support rod (11), a ratchet rod (12) and an adjustment tube (13); The support rods (11) are arranged in a horizontal structure and are used to be connected to a relatively fixed structure at the driving position; The spindle rod (12) is fixed on the support rod (11) in a vertical structure, and the lower end of the spindle rod (12) extends downward from the bottom of the support rod (11); The adjusting cylinder (13) is axially sleeved on the ratchet rod (12) at the lower part of the support rod (11); the upper part of the adjusting cylinder (13) is connected with a spring buckle (4); the spring buckle (4) has ratchet teeth that can extend into the inner hole of the adjusting cylinder (13); The ratchet teeth of the spring buckle 1 (4) and the ratchet rod (12) form a sliding matching structure from bottom to top, and a locking matching structure from top to bottom.

3. The simplified distance measuring device for small aircraft according to claim 2, characterized in that: The adjustable bracket (1) further comprises a fixing tube (14); The fixing tube (14) is fixedly connected to the upper part of the support rod (11), and the fixing tube (14) is connected to a second spring buckle (6), wherein the second spring buckle (6) has ratchet teeth that can extend into the inner hole of the fixing tube; The upper part of the ratchet rod (12) is axially sleeved in the inner hole of the fixed cylinder (14), and the ratchet teeth of the spring buckle 2 (6) and the upper part of the ratchet rod (12) form a locking matching structure from bottom to top, and a pushing and sliding matching structure from top to bottom.

4. The simplified distance measuring device for small aircraft according to claim 2 or 3, characterized in that: The adjustable bracket (1) comprises two support rods (11) arranged at an upper and lower interval; Each support rod (11) is provided with a fixed spring clamp (7) and a movable spring clamp (8) at a matching spacing on a side opposite to the ratchet rod (12); the support rod (11) is provided with a slide rail (9) for adjusting the relative position of the movable spring clamp (8); The support rod (11) is connected to a relatively fixed structure at the driving position via a fixed spring clamp (7) and a movable spring clamp (8) with matching and adjustable spacing.

5. The simplified distance measuring device for small aircraft according to claim 1 or 2, characterized in that: The relatively fixed structure at the driving position is a sunshade at the driving seat.

6. The simplified distance measuring device for small aircraft according to claim 1, characterized in that: The focal length of the objective lens (22) of the optical component (2) is 3 to 5 times the focal length of the eyepiece (23).

7. The simplified distance measuring device for small aircraft according to claim 1 or 6, characterized in that: The eyepiece of the optical component (2) is provided with a distance scale (24).

8. The simplified distance measuring device for small aircraft according to claim 1, characterized in that: The small aircraft is a Class A aircraft or a light sports aircraft.

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