CN218628141U - Device for measuring front and rear wheel track of airplane - Google Patents
Device for measuring front and rear wheel track of airplane Download PDFInfo
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- CN218628141U CN218628141U CN202222889762.4U CN202222889762U CN218628141U CN 218628141 U CN218628141 U CN 218628141U CN 202222889762 U CN202222889762 U CN 202222889762U CN 218628141 U CN218628141 U CN 218628141U
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- range finder
- laser range
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Abstract
The utility model relates to an aircraft manufacturing process field discloses an aircraft fore-and-aft wheel base measuring device, include: press from both sides tight locator, laser range finder chuck, laser range finder and target subassembly, press from both sides tight locator and laser range finder chuck fixed connection, the laser range finder embedding is connected among the laser range finder chuck, the target unit mount is on pressing from both sides tight locator, and target subassembly and the tight locator fixed connection of clamp, it has two to press from both sides tight locator, presss from both sides tight locator for first clamp and second respectively, the utility model discloses can measure the front and back wheel base of aircraft at quick accurate, this measuring device simple structure, small, simple manufacture for it is higher to make things convenient for in a flexible way and measure accuracy and efficiency when measuring the front and back wheel base, easily production and application, very convenient operation have very strong practicality, can to a great extent save the cost of labor.
Description
Technical Field
The utility model relates to an aircraft manufacturing process field specifically is an aircraft fore-and-aft wheel base measuring device.
Background
The horizontal weighing of the airplane generally adopts a wheel weighing method, because the landing gear is installed to have a position error, the distance between the wheels of the airplane and a reference point needs to be measured actually when the gravity center is calculated, wherein the wheel distance between the front wheel and the rear wheel of the airplane is an important parameter. When the measurement error of the front and rear wheel distances of the airplane exceeds a certain limit, the gravity center calculation result of the airplane is influenced to a certain extent, the possible economic loss and the potential danger to the flight safety of the airplane are not allowed in the manufacturing process of the airplane, and therefore, the research on the practical and accurate front and rear wheel distance measuring device of the airplane has important significance for the manufacturing of the airplane.
Currently, the front and rear wheel track measurement of the current aircraft in China is usually carried out by adopting an artificial method. The front and rear wheel distances of the airplane are determined by drawing two lines from the centers of the front airplane wheel and the rear airplane wheel of the airplane to the ground and measuring the distances of the two lines for multiple times by a meter ruler and then averaging the distances. This method has several disadvantages: firstly, can't aim at the center of wheel accurately during the marking off, secondly the wheel distance is far away around, and what the meter chi also can't guarantee to record is the shortest distance, leads to producing the error. Therefore, a measuring device with high efficiency, simple operation and higher accuracy is needed.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model relates to a device for measuring the wheel base around the aircraft aims at providing a simple structure, simple operation, high, the low cost's of precision wheel base measuring device around the aircraft, and this device is applicable in the measurement of all kinds of aircraft wheel base.
A device for measuring the wheelbase of an airplane comprises a clamping positioner, a laser range finder chuck, a laser range finder and a target assembly.
The technical scheme of the utility model is that: the laser range finder and the laser range finder chuck are arranged on the wheel end cover of the lifting frame at one end through a clamping positioner, and the target assembly is arranged on the wheel end cover of the lifting frame at the other end through the clamping positioner; during measurement, adjusting the installation angle of the clamping positioner, and observing the horizontal state to be displayed of the laser range finder; adjusting the target base along the direction of the guide rail of the clamping positioner, adjusting the position of the target along the direction of the extension rod of the target component, and enabling laser pulses of the laser range finder to strike the target; and reading the readings on the laser range finder to obtain the front and rear wheel tracks of the airplane wheel.
In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:
the utility model provides a wheel base measuring device is by pressing from both sides tight locator, laser range finder chuck, laser range finder and target assembly around the aircraft, includes: press from both sides tight locator, laser range finder chuck, laser range finder and target subassembly, press from both sides tight locator with laser range finder chuck fixed connection, the laser range finder embedding is connected among the laser range finder chuck, the target unit mount is in press from both sides tight locator, and target subassembly and press from both sides tight locator fixed connection, it has two to press from both sides tight locator, is the tight locator of first clamp and the tight locator of second clamp respectively.
Compared with the prior art, the utility model discloses following beneficial effect has at least: by the installation of the simple device, the front and rear wheel tracks of the airplane can be quickly and accurately measured; the measuring device has the advantages of simple structure, small volume and simple manufacture, is very convenient and flexible when used for measuring the front and rear wheel distances, is easy to produce and apply, and greatly saves the labor cost.
The further scheme is that a laser range finder chuck is fixedly mounted at the central position of the first clamping positioner through a bolt and used for transmitting pulses to the target assembly through the laser range finder so as to measure the front and rear wheel distances of the airplane.
It can be seen that the laser range finder chuck is fixedly mounted at the central position of the first clamping positioner through a bolt and used for transmitting pulses to the target assembly through the laser range finder so as to measure the front and rear wheel distances of the airplane.
The further scheme is that a plane on one side of the second clamping positioner is connected with a plane of an end cover of the undercarriage wheel in an abutting mode, and the second clamping positioner is used for ensuring that the clamping positioner is located in a position parallel to the end cover of the undercarriage wheel.
It can be seen that a plane on one side of the second clamping positioner is in abutting connection with a plane of the undercarriage wheel end cover, so as to ensure that the clamping positioner is in a position parallel to the undercarriage wheel end cover.
The second clamping positioner is connected with an undercarriage wheel end cover, the second clamping positioner base is connected with the target assembly in a sliding mode, and the target assembly is matched with the laser range finder for use.
It can be seen that the second clamping positioner is connected with the undercarriage wheel end cover, the second clamping positioner base is connected with the target assembly in a sliding mode, and the target assembly is matched with the laser range finder for use.
Further in aspects, the target assembly comprises: and a plane on one side of the second clamping positioner is in abutting connection with a plane of an undercarriage wheel end cover and is used for ensuring that the clamping positioner is in a position parallel to the undercarriage wheel end cover.
It can be seen that a plane on one side of the second clamping positioner is in abutting connection with a plane of the undercarriage wheel end cover, so as to ensure that the clamping positioner is in a position parallel to the undercarriage wheel end cover.
The other side of the second clamping positioner is provided with a base, the second clamping positioner is connected with the target assembly in a sliding manner through the base, and the target assembly is matched with the laser range finder for use.
It can be seen that the base is arranged on the other side of the second clamping positioner, the second clamping positioner is connected with the target assembly in a sliding mode through the base, and the target assembly is matched with the laser range finder for use.
In a further aspect, the target assembly comprises: the target base is installed on a guide rail of the clamping positioner, the target base is further provided with a pair of first fastening knobs for fixing the position of the extension rod through the first fastening knobs, the extension rod is vertically installed on the target base, and the target is in sliding connection with the extension rod.
It can be seen that the target assembly comprises: the target base is installed on a guide rail of the clamping positioner, a pair of first fastening knobs are further arranged on the target base and used for fixing the position of the extension bar through the first fastening knobs, the extension bar is vertically installed on the target base, and the target is connected with the extension bar in a sliding mode.
According to a further scheme, the number of the first fastening knobs is two, and the first fastening knobs are embedded into the guide rails for mounting the target base and the clamping positioner and are used for fixing the position of the target base.
It can be seen that the number of the first fastening knobs is two, and the first fastening knobs are embedded into the guide rails for mounting the target base and the clamping positioner and are used for fixing the position of the target base.
In a further aspect, the clamp positioner includes: the clamping positioner comprises a clamping positioner base, positioning blocks and a fastening rotary rod, wherein the positioning blocks are positioned at two ends of the clamping positioner base and used for playing a centering clamping role, and the fastening rotary rod is positioned below the clamping positioner base.
It can be seen that the clamping positioner comprises: the clamping positioner comprises a clamping positioner base, positioning blocks and a fastening rotary rod, wherein the positioning blocks are positioned at two ends of the clamping positioner base and used for playing a centering clamping role, and the fastening rotary rod is positioned below the clamping positioner base.
The fastening rotary rod is provided with a second fastening knob below, the second fastening knob is in threaded connection with the fastening rotary rod, the fastening rotary rod is in sliding connection with the positioning block and used for adjusting the opening and closing clamping degree of the positioning block, and the central position of the clamping positioner is always kept coincident with the central position of the undercarriage wheel end cover.
Therefore, the second fastening knob below the fastening rotary rod is used for adjusting the opening and closing clamping degree of the positioning block, so that the central position of the clamping positioner and the central position of the undercarriage wheel end cover are always kept coincident.
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
drawings
Fig. 1 is a schematic view illustrating an installation of a laser range finder on a wheel according to an embodiment of the present invention;
fig. 2 is a schematic view illustrating an installation of a target assembly on a wheel according to an embodiment of the present invention;
fig. 3 is a schematic view of a clamping positioner according to an embodiment of the present invention for an aircraft fore-and-aft wheel tread measuring device;
the reference numbers indicate:
a wheel end cap 100; a first clamping locator 200; a laser rangefinder chuck 300; a laser range finder 400; target assembly 500, clamp positioner base 210; a positioning block 220; a fastening lever 230; a second fastening knob 240; a second clamping locator 250; a target base 510; a first fastening knob 520; an extension bar 530; a target 540.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1 to 3, an aircraft fore-aft wheel distance measuring device includes two clamping locators, two first clamping locators 200 and two second clamping locators 250, wherein the first clamping locators 200 and the second clamping locators 250 are respectively mounted on the end caps of the aircraft fore-aft wheels, and the fore-aft wheel distance can be measured, and the first clamping locators 200 and the second clamping locators 250 are respectively mounted on the end caps of the aircraft fore-aft wheels, and the laser range finder 300, the laser range finder 400 and the target assembly 500 are fixedly connected with the laser range finder chuck 300, the laser range finder 400 is embedded in the laser range finder chuck 300, and the target assembly 500 is mounted on the clamping locators.
In an embodiment of the present invention, the laser range finder 400 is installed on the chuck 300 of the laser range finder 400, and is installed on the wheel end cover 100 of the landing gear through the clamping positioner 200, the clamping positioner base 210 is attached to the end face of the wheel end cover 100 during installation, and the rotating fastening screw 230 is rotated to fix the positioning block 220 on the wheel end cover 100. And (3) slightly adjusting the mounting position of the clamping positioner 200, observing the horizontal state to be displayed of the laser range finder 400, and turning on the laser range finder 400 to emit laser pulses.
The target assembly 500 is installed on the wheel end cover 100 of the landing gear at the other end through the clamping positioner 200, the clamping positioner base 210 is attached to the end face of the wheel end cover 100 during installation, and the fastening rotary rod 230 is rotated to fix the positioning block 220 on the wheel end cover 100. Loosening the tightening knob 520 adjusts the position of the target base 510 along the direction of the rail of the clamp positioner base 210 and the position of the target 540 along the direction of the extension rod 530, so that laser pulses to the target laser rangefinder 400 can strike the target 540, tightening the first tightening knob 520. The wheel track of the airplane wheel can be obtained by reading the readings on the laser range finder 400.
Further, the laser range finder chuck 300 is fixedly installed at the center position of the first clamping locator 200 by a bolt for emitting a pulse to the target assembly 500 through the laser range finder 400 to measure the fore-and-aft wheel base of the airplane.
Further, a side plane of the second clamping locator 250 is in interference connection with a plane of the landing gear wheel end cover 100, so as to ensure that the second clamping locator 250 is in a position parallel to the landing gear wheel end cover 100.
Further, a base is arranged on the other side of the second clamping positioner 250, the second clamping positioner 250 is slidably connected with the target assembly 500 through the base, and the target assembly 500 is matched with the laser range finder 400 for use.
Further, the target assembly 500 includes: the target base 510 is installed on a guide rail of a clamping positioner, the target base 510 is further provided with a pair of first fastening knobs 520 used for fixing the positions of the extension rods 530 through the first fastening knobs 520, the extension rods 530 are vertically installed on the target base 510, and the target 540 is connected with the extension rods 530 in a sliding mode.
Further, there are two first tightening knobs 520, and the first tightening knobs 520 are embedded on the rails on which the target base 510 and the clamping fixture are mounted, for fixing the position of the target base 510.
Further, the clamping positioner includes: the clamping positioner comprises a clamping positioner base 210, positioning blocks 220 and fastening rotary rods 230, wherein the positioning blocks 220 are positioned at two ends of the clamping positioner base 210 and used for achieving a centering clamping effect, and the fastening rotary rods 230 are positioned below the clamping positioner base 210.
Further, a second fastening knob 240 is arranged below the fastening lever 230, the second fastening knob 240 is in threaded connection with the fastening lever 230, and the fastening lever 230 is in sliding connection with the positioning block 220 for adjusting the opening and closing clamping degree of the positioning block 220, so that the central position of the clamping positioner 220 and the central position of the landing gear wheel end cover 100 are always kept coincident.
It should be noted that, in the description of the present invention, if the orientation or the positional relationship indicated by the orientation description, such as up, down, front, back, left, right, etc., is referred to the orientation or the positional relationship shown in the drawings, it is only for the convenience of description of the present invention and simplification of description, but not for the purpose of indicating or implying that the indicated device or element must have a specific orientation, be constructed or operated in a specific orientation, and should not be interpreted as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the present number, and the terms greater than, less than, within, etc. are understood as including the present number. The description to first or second etc. is for the purpose of distinguishing between technical features and is not to be construed as indicating or implying a relative importance or implying a number of indicated technical features or implying a precedence relationship between indicated technical features.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (8)
1. An aircraft fore-aft wheel track measurement device, comprising: press from both sides tight locator, laser range finder chuck, laser range finder and target subassembly, press from both sides tight locator with laser range finder chuck fixed connection, the laser range finder embedding is connected among the laser range finder chuck, the target subassembly is installed press from both sides tight locator, just the target subassembly with press from both sides tight locator fixed connection, it has two to press from both sides tight locator, is the tight locator of first clamp and the tight locator of second clamp respectively.
2. An aircraft fore-aft wheel track measuring device according to claim 1, characterised in that: the laser range finder chuck is fixedly mounted on the central position of the first clamping positioner through a bolt and used for transmitting pulses to the target assembly through the laser range finder so as to measure the wheelbase of the airplane.
3. An aircraft fore-aft track gauge according to claim 2, wherein: and a plane on one side of the second clamping positioner is in abutting connection with a plane of an undercarriage wheel end cover and is used for ensuring that the clamping positioner is in a position parallel to the undercarriage wheel end cover.
4. An aircraft fore-aft wheel track measuring device according to claim 3, wherein:
the other side of the second clamping positioner is provided with a base, the second clamping positioner passes through the base and the target assembly are in sliding connection, and the target assembly is matched with the laser range finder for use.
5. An aircraft fore-aft wheel track measuring device according to claim 4, wherein: the target assembly includes: the target base is installed on a guide rail of the clamping positioner, the target base is further provided with a pair of first fastening knobs for fixing the position of the extension rod through the first fastening knobs, the extension rod is vertically installed on the target base, and the target is in sliding connection with the extension rod.
6. An aircraft fore-aft wheel track measuring device according to claim 5, wherein: the number of the first fastening knobs is two, and the first fastening knobs are embedded into the guide rails for installing the target base and the clamping positioner and are used for fixing the position of the target base.
7. An aircraft fore-aft wheel track measuring device according to claim 1, characterised in that: the clamping positioner includes: the clamping fixture comprises a clamping positioner base, positioning blocks and a fastening rotary rod, wherein the positioning blocks are positioned at two ends of the clamping positioner base and used for playing a centering clamping role, and the fastening rotary rod is positioned below the clamping positioner base.
8. An aircraft fore-aft wheel track measuring device according to claim 7, wherein: the lower part of the fastening rotary rod is provided with a second fastening knob, the second fastening knob is in threaded connection with the fastening rotary rod, the fastening rotary rod is in sliding connection with the positioning block and used for adjusting the opening and closing clamping degree of the positioning block, and the central position of the clamping positioner and the central position of the undercarriage wheel end cover are always kept coincident.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222889762.4U CN218628141U (en) | 2022-10-31 | 2022-10-31 | Device for measuring front and rear wheel track of airplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222889762.4U CN218628141U (en) | 2022-10-31 | 2022-10-31 | Device for measuring front and rear wheel track of airplane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218628141U true CN218628141U (en) | 2023-03-14 |
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ID=85474653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222889762.4U Active CN218628141U (en) | 2022-10-31 | 2022-10-31 | Device for measuring front and rear wheel track of airplane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218628141U (en) |
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2022
- 2022-10-31 CN CN202222889762.4U patent/CN218628141U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yu Lei Inventor after: Yang Min Inventor after: Zeng Peng Inventor after: Pi Guoliang Inventor before: Gao Hui |