Unmanned aerial vehicle for engineering project measurement

Abstract

The utility model discloses an unmanned aerial vehicle for engineering project measurement, which comprises an unmanned aerial vehicle main body and a laser radar, the lower end of the unmanned aerial vehicle main body is provided with a spraying mechanism, the spraying mechanism is provided with an angle adjusting mechanism, the angle adjusting mechanism comprises a hanging bracket, a heat dissipation shell and a motor, and the laser radar is fixedly arranged in the heat dissipation shell. The spraying mechanism comprises a water tank, a submersible pump, a first water supply pipe and a high-pressure nozzle, the water tank is fixedly mounted at the bottom of the unmanned aerial vehicle body, the hanging bracket is detachably mounted at the lower end of the water tank, and the high-pressure nozzle is fixedly mounted on the hanging bracket. The unmanned aerial vehicle has the advantages of efficient heat dissipation and convenient maintenance, and solves the problems that the laser radar is overheated when the traditional unmanned aerial vehicle works for a long time with high intensity, and dust on the surface of the laser radar is difficult to clean when the detection is influenced by the dust after the unmanned aerial vehicle takes off.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned plane technical field, concretely is a kind of unmanned plane for engineering project measurement. BACKGROUND

[0002] In the field of engineering project measurement, the application of unmanned plane is increasingly widespread. Especially the unmanned plane equipped with laser radar, they can provide high-precision terrain data acquisition and three-dimensional modeling in complex or difficult-to-reach environments. However, with the enhancement of the function of the equipment carried by the unmanned plane and the progress of technology, the requirements for the working stability and maintenance convenience of these equipment are also correspondingly improved.

[0003] There are several main problems in the traditional unmanned plane for engineering project measurement. When measuring a large area, the key components such as high-power laser radar are prone to performance degradation or even damage due to overheating caused by long-time high-intensity work. Although there are some products on the market that use heat dissipation design, the heat dissipation efficiency still needs to be improved, especially when operating in high-temperature weather, dust, flying insects and other impurities in the outdoor environment are easily attached to the surface of the laser radar, affecting the scanning accuracy and normal operation of the equipment. Cleaning these sensitive components often requires professional tools and is inconvenient to operate, increasing maintenance costs and time. Therefore, an unmanned plane for engineering project measurement is needed to solve the above problems. SUMMARY

[0004] The utility model aims at providing an unmanned plane for engineering project measurement, which has the advantages of efficient heat dissipation and convenient maintenance, and solves the problems of overheating of laser radar in traditional unmanned planes under long-time high-intensity work and difficulty in cleaning the dust on the surface of laser radar after take-off.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an unmanned plane for engineering project measurement, comprising an unmanned plane main body and a laser radar, a spraying mechanism is arranged at the lower end of the unmanned plane main body, and an angle adjusting mechanism is arranged on the spraying mechanism.

[0006] The angle adjusting mechanism comprises a hanger, a heat dissipation shell and a motor, the laser radar is fixedly installed in the heat dissipation shell, the motor is fixedly installed in the hanger, the center of the side end face of the heat dissipation shell is rotationally connected with the output shaft of the motor, the spraying mechanism comprises a water tank, a submersible pump, a first water supply pipe and a high-pressure spray head, the water tank is fixedly installed at the bottom of the unmanned plane main body, the hanger is detachably installed at the lower end of the water tank, the high-pressure spray head is fixedly installed on the hanger, and the submersible pump is through-connection with the high-pressure spray head through the first water supply pipe.

[0007] The utility model of a kind of engineering project measurement unmanned vehicle preferably, the front end of water tank is provided with guide column, guide hole is provided on the hanger and cooperates with guide column, pin hole is provided on the guide column, bolt for fixing is provided in the pin hole.

[0008] The utility model of a kind of engineering project measurement unmanned vehicle preferably, the side end surface of the bolt is provided with connecting rod, pull ring is provided on the connecting rod.

[0009] The utility model of a kind of engineering project measurement unmanned vehicle preferably, the left and right sides of the heat dissipation shell are provided with first guard along, the bottom of the first guard along is provided with second guard along.

[0010] The utility model of a kind of engineering project measurement unmanned vehicle preferably, the upper end surface of the heat dissipation shell is provided with heat dissipation fin, the heat dissipation fin is alternately installed on the left and right sides of the upper end surface of heat dissipation shell.

[0011] The utility model of a kind of engineering project measurement unmanned vehicle preferably, the lower end surface of the hanger is provided with dripping shower nozzle, the second water supply pipe for water supply is provided between the dripping shower nozzle and water tank.

[0012] The utility model of a kind of engineering project measurement unmanned vehicle preferably, the heat dissipation shell is made of aluminium alloy material, and the side end surface of the heat dissipation shell is provided with drain hole.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The utility model through motor drive heat dissipation shell rotation in angle adjusting mechanism, make the scanning angle of laser radar flexible and controllable, high pressure spray head and heat dissipation shell linkage of spray mechanism form double function, when laser radar high temperature, spray water flow through the surface of aluminium alloy heat dissipation shell evaporation heat absorption, combine the alternate distribution of heat dissipation fin and prolong water flow path, significantly improve the heat dissipation efficiency, when the surface of equipment is attached to foreign matter, can rotate radar to the angle of upward, directional washing is used to high pressure water flow, solve the core problem that traditional unmanned vehicle laser radar is easy to overheat because of continuous work, dust is difficult to clean in outdoor environment, give consideration to equipment stability and maintenance convenience.

[0015] 2、The utility model adopts the mechanical locking structure of guide column and bolt, and the linkage design of pull ring connecting rod, so that the separation operation of hanger and water tank is simplified to be completed by single hand, realizing the quick disassembly of laser radar assembly, which breaks through the limitation that traditional unmanned vehicle equipment maintenance needs professional tool disassembly, meets the emergency maintenance demand of sudden failure in field operation, is convenient for split storage during transportation, reduces the occupied space of equipment, and significantly improves the adaptability of engineering scene.

[0016] 3. The utility model discloses a double mode water supply system of dripping nozzle and high pressure nozzle, utilizes gravity dripping to form continuous trace water flow in the conventional operation, cooperates S type radiating fin to prolong evaporation time, realizes low -power consumption heat dissipation, and switches high pressure injection mode when high temperature alarm or cleaning demand, combines drainage hole quick drainage, forms the water resource management mechanism of on -demand supply, and the combination of aluminium alloy material heat dissipation shell and the protection along the flow guide structure not only avoids water flow splashing waste, but also strengthens heat exchange efficiency through high heat conduction characteristics, solves the contradictory problem of heat dissipation energy consumption and water resource utilization efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structure schematic diagram of the utility model;

[0018] Figure 2 It is the bottom view of the utility model;

[0019] Figure 3 It is the Figure 2 A-A section of the utility model in middle;

[0020] Figure 4 It is the Figure 2 B-B section of the utility model in middle;

[0021] Figure 5 It is the explosion drawing of laser radar, angle adjusting mechanism and spraying mechanism of the utility model;

[0022] Figure 6 It is the Figure 4 C of the utility model in middle enlarged view;

[0023] Figure 7 It is the angle adjusting mechanism and laser radar cooperation state schematic drawing of the utility model.

[0024] In the drawing: 1, unmanned aerial vehicle main body;2, laser radar;3, angle adjusting mechanism;301, hanger;3011, guide hole;302, heat dissipation shell;3021, radiating fin;3022, first protection along;3023, second protection along;3024, drainage hole;303, motor;4, spraying mechanism;401, water tank;402, submersible pump;403, first water supply pipe;404, second water supply pipe;405, guide column;4051, pin hole;406, bolt;4061, connecting rod;4062, pull ring;407, dripping nozzle;408, high pressure nozzle;409, water inlet. DETAILED DESCRIPTION

[0025] Please refer to Figures 1-7 , an unmanned aerial vehicle for engineering project measurement, including unmanned aerial vehicle main body 1 and laser radar 2, the lower end of unmanned aerial vehicle main body 1 is provided with spraying mechanism 4, and spraying mechanism 4 is provided with angle adjusting mechanism 3;

[0026] The angle adjusting mechanism 3 comprises a hanger 301, a heat dissipation shell 302 and a motor 303, the laser radar 2 is fixedly installed in the heat dissipation shell 302, the motor 303 is fixedly installed in the hanger 301, the side end face center of the heat dissipation shell 302 is rotationally connected with the output shaft of the motor 303, the spraying mechanism 4 comprises a water tank 401, a submersible pump 402, a first water supply pipe 403 and a high-pressure spray head 408, the water tank 401 is fixedly installed at the bottom of the unmanned aerial vehicle body 1, the hanger 301 is detachably installed at the lower end of the water tank 401, the high-pressure spray head 408 is fixedly installed on the hanger 301, and the submersible pump 402 is throughly connected with the high-pressure spray head 408 through the first water supply pipe 403.

[0027] The heat dissipation shell 302 is driven to rotate by the angle adjusting mechanism 3, so as to adjust the scanning angle of the laser radar 2, and the spraying mechanism 4 is matched, water is supplied to the high-pressure spray head 408 by the submersible pump 402, the heat dissipation shell 302 is sprayed, the water evaporation takes away heat, and the laser radar 2 is rapidly cooled, when foreign matters or dust are attached to the surface of the laser radar 2, the laser radar 2 can be rotated upward to be washed.

[0028] Further, the front end of the water tank 401 is provided with a guide column 405, the hanger 301 is provided with a guide hole 3011 matched with the guide column 405, the guide column 405 is provided with a pin hole 4051, and a plug pin 406 for fixation is arranged in the pin hole 4051.

[0029] The hanger 301 is sleeved on the guide column 405 through the guide hole 3011, the plug pin 406 is inserted into the pin hole 4051, the hanger 301 is fixed with the water tank 401, the laser radar 2 is convenient to take down for maintenance and maintenance, and the equipment is convenient to disassemble when not used.

[0030] Further, the side end face of the plug pin 406 is provided with a connecting rod 4061, and the connecting rod 4061 is provided with a pull ring 4062.

[0031] The plug pin 406 is taken down through the pull ring 4062, two groups of plug pins 406 are connected through the connecting rod 4061, so that the two groups of plug pins 406 are conveniently taken down at the same time, and further, the convenience of installation and disassembly of the laser radar 2 and the angle adjusting mechanism 3 is improved.

[0032] Further, the left and right sides of the heat dissipation shell 302 are provided with first guard edges 3022, and the bottom of the first guard edge 3022 is provided with a second guard edge 3023.

[0033] The water flow is constrained by the first guard edge 3022 and the second guard edge 3023, so that the water flow flows along the upper end face of the heat dissipation shell 302, the heat dissipation effect of the radiator is improved, and the waste of water resources is reduced.

[0034] Further, the upper end surface of the heat dissipation shell 302 is provided with heat dissipation fins 3021, which are alternately mounted on the left and right sides of the upper end surface of the heat dissipation shell 302.

[0035] By increasing the surface area of the heat dissipation shell 302 through the heat dissipation fins 3021, the heat dissipation rate is improved, and at the same time, the heat dissipation fins 3021 form a continuous S-shaped flow channel on the surface of the heat dissipation shell 302, increase the flow area of the water droplets on the surface of the heat dissipation shell 302, and improve the contact time of the water droplets with the heat dissipation shell 302, so as to evaporate all the water droplets as much as possible before they fall down, thereby improving the heat dissipation effect.

[0036] Further, the lower end surface of the hanger 301 is provided with a dripping nozzle 407, and the dripping nozzle 407 and the water tank 401 are provided with a second water supply pipe 404 for water supply. The first water supply pipe 403 and the second water supply pipe 404 are both rubber hoses, which are convenient to assemble and disassemble.

[0037] When the equipment is in normal operation, the dripping nozzle 407 slowly drips water under the action of water flow gravity, and the water droplets flow along the gap between the heat dissipation fins 3021. Under the action of the heat of the laser radar 2, the water droplets evaporate and dissipate heat, thereby improving the heat dissipation efficiency and being energy-saving and environmentally friendly. When the laser radar 2 is in high-temperature alarm or needs to be flushed, high-pressure water flow is sprayed through the submersible pump 402 for flushing or rapid cooling.

[0038] Further, the heat dissipation shell 302 is made of aluminum alloy material, and the side end surface of the heat dissipation shell 302 is provided with a drain hole 3024.

[0039] The heat dissipation shell 302 made of aluminum alloy material has high heat conduction efficiency and is not easy to rust. The drain hole 3024 provided on the side end surface of the heat dissipation shell 302 can quickly drain water when the laser radar 2 is flushed.

[0040] When the surveying unmanned aerial vehicle is used, firstly, water is filled into the water tank 401 through the water injection port 409, then the hanger 301 is sleeved on the guide column 405 at the front end of the water tank 401 through the guide hole 3011, the bolt 406 is inserted into the pin hole 4051 to fix the hanger 301 and the water tank 401, the laser radar 2 is installed in place, the unmanned aerial vehicle is started, and the unmanned aerial vehicle flies over the surveying area, the scanning angle of the laser radar 2 can be adjusted through the angle adjusting mechanism 3, specifically, the motor 303 in the hanger 301 is started, the output shaft of the motor 303 drives the heat dissipation shell 302 to rotate, so that the angle of the laser radar 2 is adjusted, when the equipment is normally operated, the dripping nozzle 407 drips water slowly under the action of water flow gravity, the water droplets flow along the gap between the heat dissipation fins 3021, and the water droplets evaporate and dissipate heat under the action of heat of the laser radar 2, if the laser radar 2 appears high-temperature alarm or foreign matters or dust are attached to the surface of the laser radar 2, the submersible pump 402 can be started, the submersible pump 402 supplies water to the high-pressure nozzle 408 through the first water supply pipe 403, the heat dissipation shell 302 is sprayed, water evaporation removes heat, and rapid cooling is realized, the laser radar 2 can also be rotated upwards to be washed, the drainage hole 3024 in the side end surface of the heat dissipation shell 302 can quickly drain water during washing, when the laser radar 2 needs to be maintained and maintained or the equipment is not used, the pull ring 4062 can be pulled, two groups of the bolts 406 are taken out at the same time through the connecting rod 4061, the hanger 301 is separated from the water tank 401, and the laser radar 2 is taken out for disassembly.

[0041] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection range of the utility model.

Claims

1. An unmanned aerial vehicle for surveying an engineering project, comprising an unmanned aerial vehicle body (1) and a laser radar (2), characterized in that: The lower end of the unmanned aerial vehicle body (1) is provided with a spraying mechanism (4), and the spraying mechanism (4) is provided with an angle adjusting mechanism (3). The angle adjusting mechanism (3) comprises a hanger (301), a heat dissipation shell (302) and a motor (303), the laser radar (2) is fixedly installed in the heat dissipation shell (302), the motor (303) is fixedly installed in the hanger (301), the side end surface center of the heat dissipation shell (302) is rotationally connected with the output shaft of the motor (303), the spraying mechanism (4) comprises a water tank (401), a submersible pump (402), a first water supply pipe (403) and a high-pressure spray head (408), the water tank (401) is fixedly installed at the bottom of the unmanned aerial vehicle body (1), the hanger (301) is detachably installed at the lower end of the water tank (401), the high-pressure spray head (408) is fixedly installed on the hanger (301), and the submersible pump (402) is throughly connected with the high-pressure spray head (408) through the first water supply pipe (403).

2. The drone for engineering project surveying of claim 1, wherein: The front end of the water tank (401) is provided with a guide column (405), the hanger (301) is provided with a guide hole (3011) matched with the guide column (405), the guide column (405) is provided with a pin hole (4051), and the pin hole (4051) is provided with a plug (406) for fixation.

3. The drone for engineering project surveying of claim 2, wherein: The side end surface of the plug (406) is provided with a connecting rod (4061), and the connecting rod (4061) is provided with a pull ring (4062).

4. The drone for engineering project surveying of claim 1, wherein: The left and right sides of the heat dissipation shell (302) are provided with first guard edges (3022), and the bottom of the first guard edge (3022) is provided with a second guard edge (3023).

5. An unmanned aerial vehicle for use in surveying an engineering project according to claim 4 wherein: The upper end surface of the heat dissipation shell (302) is provided with heat dissipation fins (3021), and the heat dissipation fins (3021) are alternately installed on the left and right sides of the upper end surface of the heat dissipation shell (302).

6. The drone for engineering project surveying of claim 1, wherein: The lower end surface of the hanger (301) is provided with a dripping spray head (407), and the dripping spray head (407) and the water tank (401) are provided with a second water supply pipe (404) for water supply.

7. The drone for engineering project surveying of claim 1, wherein: The heat dissipation shell (302) is made of aluminum alloy material, and the side end surface of the heat dissipation shell (302) is provided with a drain hole (3024).

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