CN218238734U - Carry thickness measuring equipment in unmanned aerial vehicle - Google Patents
Carry thickness measuring equipment in unmanned aerial vehicle Download PDFInfo
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- CN218238734U CN218238734U CN202222176802.0U CN202222176802U CN218238734U CN 218238734 U CN218238734 U CN 218238734U CN 202222176802 U CN202222176802 U CN 202222176802U CN 218238734 U CN218238734 U CN 218238734U
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- aerial vehicle
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Abstract
The utility model discloses a carry on thickness measuring equipment of unmanned aerial vehicle belongs to the measurement technology field, including range unit, infrared emitter, gauge stick, automatic extension structure, range unit is used for measuring the distance of unmanned aerial vehicle and measured object when unmanned aerial vehicle flies to measured object the place ahead; the infrared transmitter is used for transmitting infrared laser to a measured object and is provided with a remote controller, and the remote controller is used for opening the infrared transmitter to transmit the infrared laser so that the infrared laser irradiates a measuring point of the measured object; the head end of probe rod is equipped with the thickness measurement probe, automatic extending structure is equipped with flexible driver, and flexible driver drive probe rod is flexible to the extension length of control probe rod makes the thickness measurement probe be close to the measured object. The utility model discloses make things convenient for the thickness measuring probe to aim at with the measuring point of testee, improve measurement accuracy.
Description
[ technical field ] A
The utility model belongs to the technical field of measure, concretely relates to carry thickness measuring equipment in unmanned aerial vehicle.
[ background of the invention ]
Thickness gauges (thickness gauge) are instruments used to measure the thickness of materials and objects. Some components must measure the thickness during manufacturing and maintenance, so as to know the thickness specification of the material, the uniformity of each point and the corrosion and abrasion degree of the material; the thickness of the coating on the surface of the material is sometimes measured to ensure product quality and production safety. According to different measuring principles, the commonly used thickness measuring instrument has four types, namely ultrasonic, magnetic, eddy current, isotope, and the like. The existing portable thickness measuring device generally adopts a handheld structure, and the measuring range is very limited.
At present, thickness measuring equipment carried on an unmanned aerial vehicle also appears, the thickness measuring equipment is arranged on the unmanned aerial vehicle, and the thickness measuring equipment comprises a connecting rod and a thickness measuring probe arranged at the head end of the connecting rod. Due to the limitation of the control precision of the unmanned aerial vehicle, the thickness measuring probe is difficult to align with the measuring point of the measured object.
In addition, due to the difference of the measuring points, the thickness measuring probe may be far away from the measuring points, or the unmanned aerial vehicle may collide with the measured object or a nearby object when continuously approaching the measuring points.
[ Utility model ] content
Not enough to prior art, the utility model aims to solve the technical problem that a carry unmanned aerial vehicle's thickness measurement equipment is provided, makes things convenient for the thickness measurement probe to aim at with the measuring point of testee, improves measurement accuracy.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a thickness measuring device carried on an unmanned aerial vehicle comprises a distance measuring device, an infrared emitter, a detecting rod and an automatic extending structure, wherein the distance measuring device is used for measuring the distance between the unmanned aerial vehicle and a measured object when the unmanned aerial vehicle flies to the front of the measured object; the infrared transmitter is used for transmitting infrared laser to a measured object and is provided with a remote controller, and the remote controller is used for opening the infrared transmitter to transmit the infrared laser so that the infrared laser irradiates a measuring point of the measured object; the head end of probe rod is equipped with the thickness measurement probe, automatic extending structure is equipped with flexible driver, and flexible driver drive probe rod is flexible to the extension length of control probe rod makes the thickness measurement probe be close to the measured object.
Preferably, the infrared emitter is installed below the detection rod, and an included angle is formed between the infrared laser direction and the extension direction of the detection rod.
Preferably, an angle adjusting mechanism for adjusting an included angle between the infrared emitter and the extension direction of the detection rod is arranged between the infrared emitter and the detection rod.
Preferably, flexible driver is the steering wheel, still includes wire rod and reset spring be connected with the gauge stick, and steering wheel pulling wire rod makes the gauge stick shrink backward, compress reset spring, reset spring is used for realizing that the gauge stick stretches out forward.
Preferably, the wire winding machine comprises a wire storage box, wherein a winding mechanism for winding and unwinding wires is arranged in the wire storage box, and the steering engine drives the winding mechanism to automatically wind and unwind the wires.
Preferably, the thickness measuring equipment is provided with a battery, or the thickness measuring equipment is connected with an unmanned aerial vehicle power interface through a power line.
Preferably, the distance measuring device is an infrared distance measuring instrument.
Preferably, the thickness measuring probe is provided with a rotary fixing structure connected with the head end of the probe rod.
Preferably, the thickness measuring probe is connected with a lead, the lead is connected with a measuring circuit, the probe rod is a hollow pipe body, the lead penetrates through the hollow pipe body of the probe rod, and the measuring circuit is arranged on the outer side of the rear end of the probe rod.
Preferably, unmanned aerial vehicle is four rotor unmanned aerial vehicle, unmanned aerial vehicle's below is loaded with the carrier, thickness measuring equipment installs in the carrier.
The utility model adopts the technical proposal that the unmanned aerial vehicle takes off to a proper position in front of the measured object, the distance measuring device is used for confirming that the unmanned aerial vehicle and the measured object hover in a distance range suitable for thickness measurement operation, otherwise, the hovering position of the unmanned aerial vehicle is adjusted until the unmanned aerial vehicle is suitable for operation; opening an infrared emitter through a remote controller to emit infrared laser, observing the position of the infrared laser reflected on the measured object, and adjusting the hovering position of the unmanned aerial vehicle until the infrared mapping point position moves to the point position of the measured object to be measured; at the moment, the telescopic driver drives the extension probe rod to extend out, when the infrared laser irradiates on a thickness measuring probe of the probe rod, the probe rod stops extending continuously, and at the moment, the thickness measuring probe is contacted with a measured object to measure thickness data; and after the measurement is finished, the detection rod is retracted. Therefore, the thickness measuring probe is convenient to align with the measuring point of the measured object, and the measuring precision is improved.
The telescopic driver drives the detecting rod to stretch out and draw back, thereby controlling the extension length of the detecting rod, enabling the thickness measuring probe to be close to the measured object, adapting to the distance between the unmanned aerial vehicle and the measured object, and preventing collision. When the detection rod is retracted, the detection rod is retracted.
These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.
[ description of the drawings ]
The utility model is further described with the following drawings:
fig. 1 is a schematic structural view of the thickness measuring device mounted on an unmanned aerial vehicle of the present invention;
FIG. 2 is a schematic structural diagram of an automatic extending structure according to an embodiment;
FIG. 3 is a schematic structural diagram of an automatic extending structure according to a second embodiment;
FIG. 4 is a schematic structural diagram of an automatic extending structure according to a third embodiment;
reference numerals are as follows:
the thickness measuring device comprises a thickness measuring device 100, a detection rod 11, a fixed head 111, a thickness measuring probe 112, an infrared emitter 12, an angle adjusting mechanism 121, an automatic extending structure 13, a steering engine 131, wires 132, a wire storage box 133, a linear motor 134, a connecting piece 135, a servo motor 136, a lead screw 137, a nut 138, a guide sleeve 141 and an unmanned aerial vehicle 200.
[ detailed description ] embodiments
The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, those skilled in the art can obtain other embodiments without making creative efforts, which all belong to the protection scope of the present invention.
It will be appreciated by those skilled in the art that features from the examples and embodiments described below may be combined with each other without conflict.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Words such as "upper," "lower," "front," "rear," and the like, which indicate orientation or positional relationships, are used solely to facilitate the description of the invention and to simplify the description, and do not indicate or imply that the referenced devices/elements must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Example one
Referring to fig. 1 and 2, the thickness measuring equipment mounted on the unmanned aerial vehicle comprises a distance measuring device, a detection rod 11, an infrared emitter 12 and an automatic extension structure 13, wherein the distance measuring device is used for measuring the distance between the unmanned aerial vehicle and a measured object when the unmanned aerial vehicle flies to the front of the measured object; the infrared emitter 12 is used for emitting infrared laser to a measured object, the infrared emitter is provided with a remote controller, and the remote controller is used for opening the infrared emitter to emit the infrared laser so that the infrared laser irradiates a measuring point of the measured object. The head end of the detecting rod is provided with a thickness measuring probe 112.
The automatic extending structure 13 comprises a telescopic guide mechanism and a telescopic driving mechanism, the telescopic guide mechanism is provided with a guide piece for guiding the probe rod to stretch, and the telescopic driving mechanism is provided with a telescopic driver; the telescopic driver drives the detection rod to stretch along the guide piece, so that the extension length of the detection rod is controlled, and the thickness measuring probe is close to a measured object.
When carrying out the thickness measurement operation apart from the higher position in ground, fly at ground remote control unmanned aerial vehicle, unmanned aerial vehicle takes off to the suitable position in testee the place ahead, uses range unit to confirm that unmanned aerial vehicle and testee hover at the distance within range that is fit for the thickness measurement operation, otherwise adjusts the unmanned aerial vehicle position of hovering, until being fit for the operation. And then, controlling an infrared emitter to emit infrared laser by a remote controller on the ground, observing the position of the infrared laser reflected on the measured object, and adjusting the hovering position of the unmanned aerial vehicle until the infrared mapping point position moves to the point position to be measured of the measured object. At the moment, the telescopic driver drives the extension probe rod to extend out, when the infrared laser irradiates on a thickness measuring probe of the probe rod, the probe rod stops extending continuously, and at the moment, the thickness measuring probe is contacted with a measured object to measure thickness data; and after the measurement is finished, the detection rod is retracted. Therefore, the thickness measuring probe is convenient to align with the measuring point of the measured object, and the measuring precision is improved. Here, the distance range of the drone from the object to be measured suitable for the thickness measurement operation has been determined in advance, and this distance measurement probe can be touched.
In order to ensure that the measuring point of the infrared laser irradiating the measured object and the position of the thickness measuring probe 112 can coincide, the infrared emitter is installed below the detecting rod, and the direction of the infrared laser and the extending direction of the detecting rod form an included angle. An angle adjusting mechanism 121 for adjusting an included angle between the infrared emitter (namely, emitted infrared laser) and the extension direction of the detection rod is arranged between the infrared emitter and the detection rod, and can be an adjusting motor, for example, the infrared emitter is fixed on a rotating shaft, and the rotating shaft is driven to rotate by the adjusting motor. When the distance between the unmanned aerial vehicle and the object to be tested is determined, the length of the forward extension of the detection rod is determined, and as long as one of the length of the forward extension of the detection rod and the included angle between the infrared emitter and the extension direction of the detection rod is determined, the other numerical value is also determined, because the length of the forward extension of the detection rod, the hinge point of the infrared emitter and the vertical distance of the detection rod are equal to two right-angle sides of a right triangle.
In this embodiment, the telescopic driver includes a steering engine 131 and a wire 132 connected to the detection rod. The telescopic driver further comprises a wire storage box 133, a winding mechanism is arranged in the wire storage box, and the steering engine drives the winding mechanism to automatically complete wire storage. A return spring can be arranged, and the steering engine pulls the wire rod and enables the detection rod to contract backwards to compress the return spring; if the wire is paid out, the return spring is used for realizing the forward extension of the detection rod. The return spring may also be replaced by a torsion spring provided in the winding mechanism.
In one embodiment, the guiding member is a guiding sleeve 141, and at least two guiding sleeves are disposed along the extending direction of the detecting rod. Therefore, the detection rod can be ensured to extend and retract along the straight line direction.
It is understood that the thickness measuring device can be powered by a battery as a power source. Or, the thickness measuring equipment is connected with an unmanned aerial vehicle power interface through a power line and is powered by a power supply of the unmanned aerial vehicle. Of course, also can supply power through above two kinds of power simultaneously, be promptly from taking the battery as the main power supply, the unmanned aerial vehicle power is as stand-by power supply, when being not enough from taking battery power, by unmanned aerial vehicle's mains operated again.
In order to facilitate the replacement of the thickness measuring probe, the thickness measuring probe is provided with a rotary fixing structure. The radius of thickness measuring probe on the market can have the difference, nevertheless all has fixed joint, and the head end of gauge rod is equipped with fixed head 111, and fixed joint adopts rotation type fixed knot to construct, for example bolted connection is in the fixed head 111 of gauge rod head end, perhaps rotation type buckle, consequently can all the adaptation installation to the not through radial thickness measuring probe.
In this embodiment, the distance measuring device is an infrared distance meter. It will be appreciated that other common distance measuring devices are possible, such as an ultrasonic distance meter.
Furthermore, the thickness measuring probe is connected with a lead, the lead is connected with a measuring circuit, the detecting rod is a hollow pipe body, the lead penetrates through the hollow pipe body of the detecting rod, and the measuring circuit is arranged on the outer side of the rear end of the detecting rod. Thickness measuring probe, measuring circuit all belong to prior art to the concrete thickness measuring principle also belongs to prior art, and no longer repeated here.
Example two
Referring to fig. 3, in the present embodiment, the telescopic driver is a linear motor 134 provided with a driving shaft. The axial direction of the driving shaft is parallel to the extending direction of the detection rod, and the driving shaft is connected with the detection rod 11 through a connecting piece 135. The driving shaft of the linear motor 134 moves linearly to drive the connecting member and the detecting rod to extend and retract back and forth.
EXAMPLE III
As shown in fig. 4, in this embodiment, the telescopic driver is a servo motor 136, and the telescopic driving mechanism further includes a lead screw nut assembly, where the lead screw nut assembly includes a lead screw 137 and a nut 138 connected to the lead screw, and the nut is connected to the detection rod. Specifically, the axial direction of the lead screw is parallel to the extending direction of the detection rod, and the nut is connected to the detection rod 11 through a connecting member 135. The servo motor drives the screw nut assembly, and the nut moves linearly along the screw 137 to drive the connecting piece and the detecting rod to extend back and forth.
It is understood that other automatic extending structures may be used to extend and retract the probe rod.
In the above embodiment, the unmanned aerial vehicle generally adopts four rotor unmanned aerial vehicle, and the carrier is carried in unmanned aerial vehicle's below, and thickness measuring equipment installs in the carrier, and prior art is referred to the concrete structure of carrier, and thickness measuring equipment can adopt the screw fixation in carrier. It can be understood that other common devices and instruments, such as a camera, can be mounted on the drone.
The above description is only for the embodiments of the present invention, but the scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the description in the above embodiments and the accompanying drawings. Any modification which does not depart from the functional and structural principles of the invention is intended to be included within the scope of the claims.
Claims (10)
1. The thickness measuring equipment carried on the unmanned aerial vehicle is characterized by comprising a distance measuring device, an infrared emitter, a detecting rod and an automatic extending structure, wherein the distance measuring device is used for measuring the distance between the unmanned aerial vehicle and a measured object when the unmanned aerial vehicle flies to the front of the measured object; the infrared transmitter is used for transmitting infrared laser to a measured object and is provided with a remote controller, and the remote controller is used for opening the infrared transmitter to transmit the infrared laser so that the infrared laser irradiates a measuring point of the measured object; the head end of probe rod is equipped with the thickness measurement probe, automatic extending structure is equipped with flexible driver, and flexible driver drive probe rod is flexible to the extension length of control probe rod makes the thickness measurement probe be close to the measured object.
2. The unmanned aerial vehicle-mounted thickness measuring device of claim 1, wherein the infrared emitter is mounted below the probe rod, and an angle is formed between the infrared laser direction and the extension direction of the probe rod.
3. The thickness measuring device carried on the unmanned aerial vehicle according to claim 2, wherein an angle adjusting mechanism for adjusting an included angle between the infrared emitter and the extension direction of the detection rod is arranged between the infrared emitter and the detection rod.
4. The thickness measuring device carried on the unmanned aerial vehicle as claimed in claim 1, wherein the telescopic driver is a steering engine, and further comprises a wire and a return spring connected with the detection rod, the steering engine pulls the wire and enables the detection rod to contract backwards and compress the return spring, and the return spring is used for enabling the detection rod to extend forwards.
5. The thickness measuring equipment carried on the unmanned aerial vehicle according to claim 4, comprising a wire storage box, wherein a winding mechanism for winding and unwinding a wire is arranged in the wire storage box, and the steering engine drives the winding mechanism to automatically wind and unwind the wire.
6. The thickness measuring device carried on an unmanned aerial vehicle according to claim 1, wherein the thickness measuring device is provided with a battery, or the thickness measuring device is connected with a power interface of the unmanned aerial vehicle through a power line.
7. The unmanned aerial vehicle-mounted thickness measuring device as claimed in claim 1, wherein the distance measuring device is an infrared distance meter.
8. Thickness measuring equipment carried on unmanned aerial vehicle according to claim 1, characterized in that, the thickness measuring probe is equipped with the rotation type fixed knot structure of being connected with the probe rod head end.
9. The thickness measuring device carried on the unmanned aerial vehicle according to claim 1, wherein the thickness measuring probe is connected with a lead, the lead is connected with the measuring circuit, the detecting rod is a hollow tube body, the lead penetrates through the hollow tube body of the detecting rod, and the measuring circuit is arranged outside the rear end of the detecting rod.
10. The thickness measuring device mounted on an unmanned aerial vehicle according to claim 1, wherein the unmanned aerial vehicle is a quad-rotor unmanned aerial vehicle, a vehicle is mounted below the unmanned aerial vehicle, and the thickness measuring device is mounted on the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222176802.0U CN218238734U (en) | 2022-08-17 | 2022-08-17 | Carry thickness measuring equipment in unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222176802.0U CN218238734U (en) | 2022-08-17 | 2022-08-17 | Carry thickness measuring equipment in unmanned aerial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218238734U true CN218238734U (en) | 2023-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222176802.0U Active CN218238734U (en) | 2022-08-17 | 2022-08-17 | Carry thickness measuring equipment in unmanned aerial vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN218238734U (en) |
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- 2022-08-17 CN CN202222176802.0U patent/CN218238734U/en active Active
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