Reading device for thrust line of booster rocket of unmanned aerial vehicle

Abstract

The utility model relates to an unmanned aerial vehicle booster rocket thrust line reading device, and belongs to the technical field of thrust line detection. Comprising an unmanned aerial vehicle and a rocket adapter installed on the belly of the unmanned aerial vehicle. The fixed end of the rocket adapter is connected with the unmanned aerial vehicle, and the bearing end of the rocket adapter is detachably connected with the bottom end of the measuring suspender; the periphery of the measuring suspender is sleeved with a measuring cylinder, and the bottom of the measuring cylinder and a rocket adapter are coaxially installed in a matched mode. A measuring platform is mounted at the top end of the measuring cylinder; the measuring platform is of a flat plate structure with a central through hole, and the central through hole of the measuring platform is coaxial with the measuring cylinder, is equal to the measuring cylinder in inner diameter and is used for penetrating through the measuring suspender; the upper end face of the measuring platform is provided with a plurality of movable measuring rulers and a plurality of measuring size obtaining modules in the circumferential direction of the central through hole, the measuring direction of each measuring ruler is located in the radial direction of the measuring suspender, and the distance between the measuring suspender and the measuring cylinder can be measured. The problems of potential safety hazards and measurement errors caused by manual data measurement in the prior art are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to thrust line detection technical field, concretely relates to a kind of unmanned vehicle boost rocket thrust line reading device. BACKGROUND

[0002] The rocket launching mode of unmanned vehicle is the most common take-off mode of unmanned vehicle, which means that unmanned vehicle is launched by rocket boost through launching rack, and the boost rocket automatically separates after combustion, and the flight task is completed by its engine.The axis of the boost rocket and the launching connection interface of unmanned vehicle is the thrust line, which is the straight line of the thrust that satisfies a certain angle of launching unmanned vehicle.The actual center of gravity of unmanned vehicle must be passed through the extension of the thrust line to ensure a certain angle, so as to ensure the safety of launching.The distance between the actual center of gravity of unmanned vehicle and the thrust line needs to be measured and adjusted before launching.

[0003] In the currently disclosed rocket launching unmanned vehicle thrust line measurement technology, the abdomen is usually measured by multiple hanging measurement methods, the unmanned vehicle is usually turned over, the belly is upward, and the vertical hanging method is used to measure the boost rocket thrust line.Due to the large size of the body of a certain type of unmanned vehicle, the staff needs to take data on high altitude during vertical hanging, and there is a certain safety hazard and risk during high-altitude measurement operation, and manual measurement has the problem of large measurement error.

[0004] Therefore, the utility model provides a kind of unmanned vehicle boost rocket thrust line reading device. SUMMARY

[0005] The technical problem to be solved is:

[0006] In order to avoid the shortcomings of the prior art, the utility model provides a kind of unmanned vehicle boost rocket thrust line reading device, which is provided with a measuring platform at the opening end of the measuring cylinder, and a measuring scale and a measuring size acquisition module are installed on the measuring platform in a movable manner, so as to realize automatic acquisition of the thrust line and solve the safety hazard and measurement error caused by manual measurement of data.

[0007] The technical scheme of the utility model is: a kind of unmanned vehicle boost rocket thrust line reading device, including unmanned vehicle and rocket adapter installed on the abdomen thereof;The fixed end of the rocket adapter is connected with the unmanned vehicle, and the force receiving end is detachably connected with the bottom end of the measuring boom;And a measuring cylinder is sleeved on the outer periphery of the measuring boom, the bottom of the measuring cylinder is coaxially adapted and installed with the rocket adapter;The top end of the measuring cylinder is provided with a measuring platform;

[0008] The measurement platform is a flat plate structure with a central through hole coaxial with the measurement cylinder and with the same inner diameter, for passing the measurement boom; a plurality of movable measurement scales and a plurality of measurement size acquisition modules are arranged on the upper end surface of the measurement platform along the circumference of the central through hole, and the measurement direction of each measurement scale is in the radial direction of the measurement boom, capable of measuring the distance between the measurement boom and the measurement cylinder.

[0009] The further technical scheme of the utility model is: the section of measurement cylinder, the measurement platform and the central through hole are circular structure or rectangular structure, four slide rails are arranged on the upper end surface of the measurement platform along the circumference of the central through hole, the four slide rails are parallel to each other to form a rectangular structure, and a sliding block is slidably arranged on each slide rail.

[0010] The further technical scheme of the utility model is: the measurement scale is installed on the sliding block through a linear drive assembly, and the measurement direction of the measurement scale is perpendicular to the slide rail; the linear drive assembly is used for controlling the linear displacement of the measurement scale along the measurement direction, and the distance between the measurement boom and the measurement cylinder can be read from the measurement scale after the measurement scale is moved to the position.

[0011] The further technical scheme of the utility model is: the linear drive assembly comprises a driving platform and a second electric push rod installed on the driving platform, and the driving end of the second electric push rod is provided with the measurement scale.

[0012] The further technical scheme of the utility model is: the fixed end of the second electric push rod is installed on the driving platform through a laser positioner, and the hovering position of the measurement boom is determined by the laser positioner.

[0013] The further technical scheme of the utility model is: the free end of the measurement scale is provided with a limit switch, which is triggered when the measurement boom is contacted, so that the displacement of the measurement scale is stopped.

[0014] The further technical scheme of the utility model is: the measurement size acquisition module is a camera, which is used for reading the measurement value on the measurement scale, connected with an upper computer, and transmitting the photographed image to the upper computer for measurement value display.

[0015] The further technical scheme of the utility model is: the top end of the measurement boom is connected with a steel wire rope through a joint bearing and a rotating shaft; the screw hole end of the joint bearing is connected with the top end of the measurement boom through threads, and the inner ring is coaxially sleeved on the rotating shaft, and the steel wire rope for hoisting is rotatably connected on the rotating shaft.

[0016] The further technical scheme of the utility model is: the inner wall of the central through hole of the measurement platform is provided with a positioning device in the upward extension direction, which is used for marking the inner wall position of the measurement cylinder.

[0017] The further technical scheme of the utility model discloses: the positioning device is the surveying fixed rod.

[0018] Beneficial effects

[0019] The utility model discloses beneficial effect lies in: the utility model discloses through the design of automation, precision and safety, the efficiency and safety of unmanned aerial vehicle boost rocket thrust line measurement have been improved significantly, reduce manpower cost and operation difficulty simultaneously, have higher practical value and popularization significance. The specific advantage analysis is as follows:

[0020] 1. improve safety: the traditional unmanned aerial vehicle thrust line measurement needs the personnel to climb to measure, and there is certain security risk. But the utility model discloses can complete measurement through ground operation, avoids the risk of high-altitude operation, and the operation safety has been improved significantly.

[0021] 2. operation is simple: through the cooperation of electric push rod, slide rail, slider and other automation components, realizes the automation control in the measuring process, and reduces the complexity of manual operation. Personnel only need to operate electric push rod through controller, can complete measurement, and operation is simple and efficient.

[0022] 3. accurate measurement: the device is equipped with laser positioner and camera, can accurately position the position of the derrick, and obtains measurement data in real time through the camera, ensures the accuracy of measurement. In addition, the limit switch set in the front end of the measuring scale further guarantees the accuracy of measurement, avoids measurement error.

[0023] 4. reduce manpower cost: since the measuring process realizes automation, reduces the dependence on personnel, reduces manpower cost. At the same time, ground operation also reduces the demand for professional high-altitude operation personnel, further saves manpower cost.

[0024] 5. strong adaptability: the measuring cylinder and measuring platform in the device are rectangular structures, and the middle part is provided with an opening, which facilitates the installation and measurement of the derrick. In addition, the design of the positioning device (such as the measuring fixed rod or the measuring fixed needle) makes the device adapt to different measurement requirements, has strong universality and adaptability.

[0025] 6. improve efficiency: through the cooperation of the crane and the steel wire rope, the unmanned aerial vehicle can be quickly lifted and stabilized in the measuring position, reducing the preparation time before measurement. The automatic measuring process also greatly shortens the measurement time, improves the overall work efficiency.

[0026] 7. data automatic processing: through the combination of camera and host computer, measurement data can be automatically transmitted and processed, reducing the steps of manual recording and calculation, further improving the efficiency and accuracy of measurement. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a structural schematic view of a kind of unmanned aerial vehicle boost rocket thrust line reading device in the embodiment of the utility model;

[0028] Figure 2 It is a measurement platform structural schematic view of a kind of unmanned aerial vehicle boost rocket thrust line reading device in the embodiment of the utility model;

[0029] Figure 3 It is a measurement platform overhead structural schematic view of a kind of unmanned aerial vehicle boost rocket thrust line reading device in the embodiment of the utility model.

[0030] Mark 1, unmanned aerial vehicle;2, rocket adapter;3, measuring cylinder;4, measurement platform;41, first electric push rod;42, slide rail;421, sliding block;422, driving platform;43, laser positioner;44, second electric push rod;45, measuring scale;46, camera;47, positioning device;5, measuring boom;6, knuckle bearing;7, steel wire rope;8, crane hook. DETAILED DESCRIPTION

[0031] The embodiments described below with reference to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as the limitation of the utility model.

[0032] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as the limitation of the indicated device or element to have a particular orientation, to be constructed and operated in a particular orientation, therefore, cannot be understood as the limitation of the utility model.

[0033] The traditional unmanned aerial vehicle thrust line measurement needs operating personnel to climb to measure, and there are certain safety hazards and measurement errors, etc., the utility model provides a kind of unmanned aerial vehicle boost rocket thrust line reading device, including unmanned aerial vehicle and the rocket adapter installed in its abdomen;The fixed end of rocket adapter is connected with unmanned aerial vehicle, and the force end is detachably connected with the bottom end of measuring boom;And measuring cylinder is sleeved on the outer periphery of measuring boom, the bottom of measuring cylinder is coaxially adapted and installed with rocket adapter;The top end of measuring cylinder is installed with measuring platform;The measuring platform is the flat structure with central through hole, the central through hole is coaxial with measuring cylinder, and the inner diameter is equal, for passing through the measuring boom;The upper surface of measuring platform is provided with a plurality of movable measuring scales and a plurality of measuring size acquisition modules along the circumference of central through hole, and the measuring direction of each measuring scale is located on the radial direction of measuring boom, and the distance between measuring boom and measuring cylinder can be measured.And the measurement value of measuring scale is obtained by camera observation, and then the measurement value of thrust line is obtained, which solves the safety hazards when climbing operation, and the operating personnel can complete the measurement of thrust line on the ground.

[0034] The above technical solutions are further described in combination with the drawings and examples as follows:

[0035] In one embodiment, referring to Figures 1-3 The bottom of unmanned aerial vehicle 1 is provided with rocket adapter 2 by screw, the top center of rocket adapter 2 is provided with measuring boom 5 by detachable connection, the outside of measuring boom 5 is provided with measuring cylinder 3, and measuring cylinder 3 is sleeved above rocket adapter 2, the top of measuring cylinder 3 is fixed with measuring platform 4, the top of measuring platform 4 is provided with four groups of measuring mechanisms along the circumference, the measuring mechanism includes first electric push rod 41 and slide rail 42, the fixed end of first electric push rod 41 and slide rail 42 are both installed on the top of measuring platform 4 by bolt, the top of slide rail 42 is slidably provided with sliding block 421, the top of sliding block 421 is fixed with driving platform 422, the driving end of first electric push rod 41 is connected with sliding block 421, the driving end of first electric push rod 41 is connected with sliding block 421 through push block, the movement of sliding block 421 is pushed through push block, the top of driving platform 422 is provided with second electric push rod 44 by bolt, the driving end of second electric push rod 44 is welded with measuring scale 45, second electric push rod 44 pushes measuring scale 45 to move forward along the measuring direction for measurement, the top of measuring platform 4 is provided with four cameras 46, and the measuring size information of measuring scale is obtained by camera 46.

[0036] In one embodiment, by installing the rocket adapter 2 at the bottom engine of the unmanned aerial vehicle 1, the measuring boom 5 is installed in a detachable connection manner at the top center of the rocket adapter 2 (for example, through a threaded connection or a bearing connection), and the measuring cylinder 3 is sleeved on the outside of the measuring boom 5 (the lower inner hole of the measuring cylinder 3 is a tapered hole, the upper part of the rocket adapter 2 is provided with a conical frustum, the lower tapered hole of the measuring cylinder 3 is matched with the conical frustum of the upper part of the rocket adapter 2, and the measuring cylinder 3 is sleeved on the conical frustum of the upper part of the rocket adapter 2); the measuring boom 5 is lifted by the steel wire rope 7, when the unmanned aerial vehicle 1 reaches a certain height and the measuring boom 5 is in a stable state, the first electric push rod 41 is controlled by the controller (which can be a motor drive), the first electric push rod 41 pushes the sliding block 421 to slide on the sliding rail 42, thereby driving the second electric push rod 44 installed on the top of the sliding block 421 to move to a position opposite to the hovering position of the measuring boom 5, then driving the second electric push rod 44 to move forward, thereby making the measuring scale 45 on the driving end of the second electric push rod 44 move forward, and finally observing and obtaining (the camera 46 transmits information to the computer) the distance between the end of the measuring scale 45 and the measuring cylinder, that is, the distance between the measuring cylinder and the measuring boom, thereby obtaining the measurement value of the thrust line, solving the safety hazard existing in the climbing operation, and the operator can complete the measurement of the thrust line on the ground.

[0037] In one embodiment, referring to Figure 1 , the top of the measuring boom 5 is provided with a joint bearing 6, the inner ring of the joint bearing 6 is provided with a rotating shaft, the rotating shaft is rotatably connected with the steel wire rope 7, the top of the steel wire rope 7 is provided with a crane hook 8, the crane hook 8 drives the steel wire rope 7 and the joint bearing 6 through the cooperation of the crane, thereby lifting the unmanned aerial vehicle 1 for measurement, and the steel wire rope 7 is rotatably connected through the rotating shaft, so that the unmanned aerial vehicle 1 can be relieved when being lifted, preventing the unmanned aerial vehicle 1 from rotating and affecting the measurement.

[0038] In one embodiment, referring to Figures 2-3 , the measuring cylinder 3 and the measuring platform 4 are both rectangular structures, and the middle parts of the measuring cylinder 3 and the measuring platform 4 are both provided with openings, so that the measuring boom 5 can be installed and measured through the openings.

[0039] Preferably, referring to Figure 1 and Figure 3 , the top of the driving platform 422 is fixed with a laser positioner 43, and the second electric push rod 44 is fixed on the top of the laser positioner 43 through a screw, and the specific position of the measuring boom 5 is confirmed through the laser irradiation scanning of the laser positioner 43, so that the measuring scale 45 on the driving end of the second electric push rod 44 is controlled to move forward.

[0040] Preferably, as shown in Figure 3As shown, in the present scheme, a positioning device 47 is arranged at the center through hole of the measuring platform 4, the positioning device 47 is a measuring positioning rod, the measuring positioning rod is a straight rod arranged parallel to the edge of the center through hole, and the value of the thrust line is obtained by reading the specific value of the measuring scale 45 above the positioning device 47.

[0041] When the measuring positioning rod is adopted, the value of the measuring interval of the measuring scale 45 is directly observed through the camera 46 picture.

[0042] Preferably, the front end of the measuring scale 45 is provided with a limit switch, when the measuring scale 45 touches the measuring boom 5, the limit switch is triggered at this time, so as to stop the starting of the second electric push rod 44.

[0043] Working principle:

[0044] Reference Figures 1-3 As shown, in use:

[0045] The rocket adapter 2 is installed at the bottom engine of the unmanned aerial vehicle 1, the bottom end of the measuring boom 5 is installed at the top center of the rocket adapter 2, and then the measuring cylinder 3 is sleeved outside the measuring boom 5;

[0046] Through the cooperation of the crane hook 8 and the crane, the crane hook 8 drives the 7 steel wire rope and the joint bearing 6, and then the unmanned aerial vehicle 1 is lifted for measurement; and the steel wire rope 7 is connected by rotating the shaft, and the unmanned aerial vehicle 1 can be relieved when being lifted;

[0047] When it reaches a certain height and the measuring boom 5 is in a stable state, the first electric push rod 41 is controlled by the controller, the first electric push rod 41 pushes the sliding block 421 to slide on the sliding rail 42, so as to drive the second electric push rod 44 installed on the top of the sliding block 421 to move to the position where the measuring boom 5 hovers, and then the second electric push rod 44 is driven to move forward, so that the measuring scale 45 on the driving end of the second electric push rod 44 moves forward, and when the measuring scale 45 touches the measuring boom 5, the limit switch is triggered, so as to stop the movement of the second electric push rod 44.

[0048] Finally, the specific value of the measuring scale 45 above the positioning device 47 is compared through the camera 46, the radial distance between the end of the measuring scale 45 and the inner wall of the measuring cylinder is measured, and the measurement value of the thrust line is obtained.

[0049] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled in the art can change, modify, replace and modify the above-mentioned embodiments within the scope of the utility model without departing from the principles and purposes of the utility model.

Claims

1. A UAV boost rocket thrust line reading device, comprising a UAV and a rocket adapter mounted on the abdomen of the UAV; the fixed end of the rocket adapter is connected with the UAV, the force receiving end is detachably connected with the bottom end of a measuring boom; and a measuring cylinder is sleeved on the outer periphery of the measuring boom, the bottom of the measuring cylinder is coaxially and adaptively mounted with the rocket adapter; characterized in that: The top end of the measuring cylinder is provided with a measuring platform; The measuring platform is a flat plate structure with a central through hole coaxial with the measuring cylinder and equal inner diameter for passing the measuring boom; the upper end surface of the measuring platform is provided with a plurality of movable measuring scales and a plurality of measuring size acquisition modules along the circumference of the central through hole, and the measuring direction of each measuring scale is in the radial direction of the measuring boom, capable of measuring the distance between the measuring boom and the measuring cylinder.

2. The UAV boost-rocket thrust-line reading device of claim 1, wherein: The cross section of the measuring cylinder, the measuring platform and the central through hole thereof are circular or rectangular structures; four slide rails are uniformly distributed along the circumference of the central through hole on the upper end surface of the measuring platform, and the four slide rails are parallel to each other to form a rectangular structure, and a sliding block is slidably installed on each slide rail; the sliding block is driven by a first electric push rod, and the fixed end of the first electric push rod is installed on the measuring platform and driven by a controller.

3. The unmanned aerial vehicle boost rocket thrust line reading device of claim 2, wherein: The measuring scale is installed on the sliding block through a linear drive assembly, and the measuring direction of the measuring scale is perpendicular to the slide rail; the linear drive assembly is used to control the linear displacement of the measuring scale in the measuring direction, and after moving to the position, the distance between the measuring boom and the measuring cylinder can be read from the measuring scale.

4. The unmanned aerial vehicle boost rocket thrust line reading device of claim 3, wherein: The linear drive assembly includes a driving platform and a second electric push rod installed thereon, and the driving end of the second electric push rod is provided with a measuring scale.

5. The unmanned aerial vehicle boost rocket thrust line reading device of claim 4, wherein: The fixed end of the second electric push rod is installed on the driving platform through a laser positioner, and the hovering position of the measuring boom is determined by the laser positioner.

6. The unmanned aerial vehicle boost rocket thrust line reading device of claim 1, wherein: The free end of the measuring scale is provided with a limit switch, which is triggered when it contacts the measuring boom, so that the displacement of the measuring scale is stopped.

7. The unmanned aerial vehicle boost rocket thrust line reading device of claim 1, wherein: The measuring size acquisition module is a camera for reading the measurement value on the measuring scale, and is connected with an upper computer to transmit the captured image to the upper computer for measurement value display.

8. The unmanned aerial vehicle boost rocket thrust line reading device of claim 1, wherein: The top end of the measuring boom is connected with the steel wire rope through the joint bearing, the rotating shaft and the steel wire rope; the threaded end of the joint bearing is connected with the top end of the measuring boom through threads, and the inner ring is coaxially sleeved on the rotating shaft, and the steel wire rope for lifting is rotatably connected on the rotating shaft.

9. The unmanned aerial vehicle boost rocket thrust line reading device of claim 1, wherein: The inner wall of the central through hole of the measuring platform is provided with a positioning device extending upward, which is used to calibrate the inner wall position of the measuring cylinder.

10. The UAV boost-rocket thrust-line reading device of claim 9, wherein: The positioning device is a measuring fixed rod.

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