CN204144805U - A kind of unmanned aerial vehicle onboard pay off rack and unmanned plane - Google Patents

Abstract

The embodiment of the utility model provides an unmanned aerial vehicle on-board pay-off frame and an unmanned aerial vehicle, wherein the unmanned aerial vehicle on-board pay-off frame includes: a support device; supported by the support device, the pay-off of the initial guide rope is unfolded device; the pay-off device includes a spool that winds the initial guide rope and releases the initial guide rope by rotating; it is supported by the support device and connected with the pay-off device, and controls the pay-off device to stop unfolding the initial guide A self-locking device for a rope; the self-locking device includes a ratchet fixed coaxially with the bobbin and rotating synchronously with the bobbin, and a ratchet self-locking lever that blocks the rotation of the ratchet. The embodiment of the utility model can control the rotation state of the ratchet wheel through the ratchet self-locking lever to control the rotation state of the spool, thereby controlling the unwinding and stopping of the unmanned aerial vehicle on-board pay-off frame.

Description

An unmanned aerial vehicle on-board wire rack and the unmanned aerial vehicle

technical field

The utility model relates to the technical field of power transmission line unwinding, more specifically, relates to an unmanned aerial vehicle on-board unwinding frame and an unmanned aerial vehicle.

Background technique

The unmanned aerial vehicle on-board pay-off rack refers to the pay-off rack that is loaded on the unmanned aerial vehicle for mounting the initial guide rope in the construction field of the unmanned aerial vehicle transmission line initial guide rope; currently in the transmission line unwinding operation , it is usually necessary to use unmanned aerial vehicles (such as multi-rotor drones, unmanned helicopters) to deploy the initial guide rope (primary guide rope), that is, to mount a special pay-off frame on the drone to mount the initial guide rope, so that in the air Tension is applied to the initial guide rope, and the laying method is used to vacate and pay off; the special pay-off frame and the UAV can be connected in a detachable way.

The inventor of the utility model found in the research process that if the unmanned aerial vehicle is still in the air or hovering in the air, the pay-off rack still pays out the wire, which will cause the initial guide rope released by the pay-off rack to interfere with the unmanned aerial vehicle Flying situation occurs; therefore, when the UAV is stationary or hovering in the air, it is necessary to use a locking device to stop the pay-off frame, but the existing unmanned aerial vehicle-mounted pay-off frame does not have this A wire locking device that can stop the wire unwinding, so providing a drone-mounted wire pay-off rack with a wire locking device that can stop the wire unwinding has become a technical problem urgently to be solved by those skilled in the art.

Utility model content

In view of this, the embodiment of the present utility model provides an unmanned aerial vehicle on-board pay-off frame and an unmanned aerial vehicle. The problem that the drone's on-board wire rack cannot stop the wire.

In order to achieve the above object, the embodiment of the utility model provides the following technical solutions:

An unmanned aerial vehicle on-board wire rack, comprising:

support device;

Supported by the support device, the pay-off device for laying out the initial guide rope; the pay-off device includes a spool that winds the initial guide rope and releases the initial guide rope by rotating;

Supported by the supporting device, it is connected with the pay-off device, and controls the self-locking device that stops the initial guide rope from the pay-off device; the self-locking device is fixed coaxially with the bobbin, and The ratchet wheel rotates synchronously with the spool, and the ratchet self-locking lever blocks the ratchet wheel from rotating.

Wherein, the supporting device includes: a main beam plate and two side baffles;

The two side baffles are arranged in parallel, and the top of each side baffle is vertically fixed to the end of the main beam plate through a connecting beam.

Wherein, the pay-off device also includes: wire reel retaining wheel, universal swash plate, universal joint course trusteeship clamp, sleeve trusteeship, universal joint pitch frame, first force pulley, second force pulley and central wire frame;

Wherein, the spool retaining wheel and the spool are arranged coaxially, and the spool is connected between the two side baffles;

The central wire frame is connected to the bottom of the main beam;

The universal joint pitch frame is fixedly arranged at the front end of the central thread frame;

The left and right sides of the swash plate are respectively connected with two gimbal pitch frames, one side is connected with a gimbal pitch frame, the upper and lower sides are respectively connected with two gimbal steering clips, and one side is connected with a Universal joint steering clip;

The front ends of the two universal joint steering clips are connected to the sleeve hosting;

The second stressed pulley includes a base and a pulley, and the base of the second stressed pulley is connected to the bottom of the central sleeve frame;

The first stressed pulley includes a base and a pulley, and the base of the first stressed pulley is fixed on the upper part of the self-locking device.

Wherein, the spool is connected between the two side baffles through bearings; the central thread frame is fixedly connected to the bottom of the main beam plate through the thread frame connecting beams on both sides; The front end of the knuckle steering clamp is clamped by four screws to clamp the casing; the base of the second stressed pulley is connected to the bottom of the central casing frame through a bearing.

Wherein, the left and right sides and the upper and lower sides of the universal swash plate are respectively provided with a pair of short shafts, and the pair of short shafts on the left and right sides are respectively connected with two universal joint pitching frames through a pair of bearings, one One side is connected with a universal joint pitching frame, and the short shafts on the upper and lower sides are respectively connected with two universal joint steering clips through a pair of bearings, and one side is connected with a universal joint steering clip.

Wherein, the self-locking device further includes: a self-locking link shaft and a tension control self-locking lever;

Both ends of the self-locking link shaft are connected to the middle of the two side baffles;

The ratchet self-locking rod is fixed on the edge of the self-locking connecting rod shaft, and the bottom end is aligned with the edge of the ratchet;

The tension control self-locking rod is fixed on the self-locking link shaft, and the top end of the tension control self-locking rod is fixedly connected with a spring, one end of the spring is connected with the tension control self-locking rod, and the other end is connected with the tension control self-locking rod. The central sleeve frame is fixedly connected.

Wherein, the center of the ratchet passes through the bobbin and is fixedly connected with the bobbin to realize synchronous rotation.

Wherein, the tension control self-locking rod is fixed in the middle of the self-locking link shaft; the top end of the tension control self-locking rod is fixedly connected to the spring through a short shaft.

Wherein, the base of the first stressed pulley is fixed on the upper part of the tension control self-locking rod.

The embodiment of the utility model also provides an unmanned aerial vehicle, including the above-mentioned unmanned aerial vehicle on-board pay-off rack.

Based on the above technical solution, the unmanned aerial vehicle on-board pay-off stand provided by the embodiment of the utility model mainly includes a support device, a pay-off device and a self-locking device. The synchronously rotating ratchet and the ratchet self-locking lever that can block the rotation of the ratchet, so that the ratchet self-locking lever can control the rotation state of the ratchet, control the rotation state of the spool, and thus control the unwinding and stop of the UAV on-board pay-off rack put the line. Specifically, the embodiment of the utility model can make the ratchet self-locking lever contact the edge of the ratchet and block the ratchet when the drone is stationary or hovering in the air, and the ratchet cannot rotate so that the spool no longer rotates and stops. Pay out the wires to prevent the unmanned aerial vehicle from being disturbed by the continuous outlet, and at the same time prevent the redundant initial guide rope from being entangled inside or at the exit of the wire release device; when the drone is in flight, the drone has a certain flying speed , the ratchet self-locking lever can be kept away from the ratchet, so that the ratchet can continue to rotate, so that the spool can rotate, and the pay-off device can continuously pay off the wire.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description It is only an embodiment of the utility model, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Fig. 1 is the schematic structural view of the unmanned aerial vehicle on-board pay-off rack that the utility model embodiment provides;

Fig. 2 is a schematic structural view of a support device provided by an embodiment of the present invention;

Fig. 3 is a schematic structural view of the pay-off device provided by the embodiment of the present invention;

Figure 4 is a side sectional view of the pay-off device provided by the embodiment of the present invention;

Fig. 5 is a schematic diagram of the rotation of the second stressed pulley provided by the embodiment of the present invention;

Fig. 6 is a schematic diagram of the connection structure of the self-locking device and the wire releasing device provided by the embodiment of the present invention;

Fig. 7 is the schematic diagram of the work of the pay-off frame in the pay-off stage provided by the embodiment of the present invention;

Fig. 8 is a working schematic diagram of the pay-off stand in the stop pay-off stage provided by the embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Fig. 1 is the schematic structural diagram of the unmanned aerial vehicle on-board pay-off frame that the utility model embodiment provides, referring to Fig. 1, the unmanned aerial vehicle on-board pay-off rack can comprise: support device 100, pay-off device 200 and self-locking device 300 ;

Wherein, the supporting device 100 is the structure of supporting parts on the unmanned aerial vehicle on-board pay-off frame;

The pay-off device 200 is supported by the support device 100, and is mainly used to spread the initial guide rope; wherein, the pay-off device 200 can be provided with a bobbin 21, and the bobbin 21 can be used to wind the initial guide rope, and the initial guide rope can be released by rotation;

The self-locking device 300 can be supported by the supporting device 100, and is connected with the pay-off device 200, and is mainly used to control the pay-off device 200 to stop spreading the initial guide rope; wherein, the self-locking device 300 can be provided with a ratchet 31 and a ratchet self-locking lever 32 , the ratchet 31 can be coaxially fixed with the bobbin 21 and rotate synchronously with the bobbin 21 , and the ratchet self-locking lever 32 can block the rotation of the ratchet 31 .

The unmanned aerial vehicle on-board pay-off stand provided by the embodiment of the utility model mainly includes a support device, a pay-off device and a self-locking device. By setting a ratchet coaxially fixed with the bobbin in the self-locking device and synchronously rotating with the bobbin, And the ratchet self-locking lever that can block the rotation of the ratchet wheel, so that the ratchet self-locking lever can control the rotation state of the ratchet wheel and control the rotation state of the spool, thereby controlling the unwinding and stopping of the unmanned aerial vehicle on-board pay-off rack. Specifically, the embodiment of the utility model can make the ratchet self-locking lever contact the edge of the ratchet and block the ratchet when the drone is stationary or hovering in the air, and the ratchet cannot rotate so that the spool no longer rotates and stops. Pay out the wires to prevent the unmanned aerial vehicle from being disturbed by the continuous outlet, and at the same time prevent the redundant initial guide rope from being entangled inside or at the exit of the wire release device; when the drone is in flight, the drone has a certain flying speed , the ratchet self-locking lever can be kept away from the ratchet, so that the ratchet can continue to rotate, so that the spool can rotate, and the pay-off device can continuously pay off the wire.

Fig. 2 is an optional structural schematic diagram of the supporting device 100 provided by the embodiment of the present invention. Referring to Fig. 2, the supporting device 100 may include: a main beam plate 11 and side baffles 12, and the number of side baffles 12 is two;

Optionally, the two side baffles 12 can be arranged in parallel, and the top of each side baffle 12 is fixedly connected to the end of the main beam 11; part can be fixed vertically through the connecting beam, specifically, the two side baffles can be divided into a first side baffle and a second side baffle, and the top of the first side baffle can be connected to one end of the main beam 11 through the Vertically fixed, the top of the second side baffle can be vertically fixed with the other end of the main beam plate 11 through the connecting beam.

Figure 3 is a schematic structural view of the pay-off device provided by the embodiment of the utility model, and Figure 4 is a side sectional view of the pay-off device provided by the embodiment of the utility model, combined with Figures 1 to 4, the utility model embodiment The pay-off device provided may include: bobbin 21, wire reel retaining wheel 22, universal swash plate 23, universal joint heading trusteeship clip 24, casing trusteeship 25, universal joint pitch frame 26, first force pulley 27, The second stressed pulley 28 and the central thread frame 29;

For easy understanding, the embodiment of the utility model can divide the pay-off device into two parts, one part is: the bobbin 21 and the reel retaining wheel 22;

In the embodiment of the present utility model, the bobbin 22 and the bobbin 21 can be arranged coaxially, and the bobbin 21 can be connected between two side baffles 12 to form a rotating pair;

Optionally, the spool 21 may be connected between the two side baffles 12 through bearings;

The other part is: universal swashplate 23, universal joint course trusteeship clamp 24, thread trusteeship 25, universal joint pitch frame 26, first force pulley 27, second force pulley 28 and central thread frame 29;

The central thread frame 29 is connected to the bottom of the main beam plate 11; optionally, the central thread frame 29 can be fixedly connected to the bottom of the main beam plate 11 through the thread frame connecting beams on both sides;

The universal joint pitch frame 26 is fixedly arranged on the front end of the central thread frame 29; specifically, the universal joint pitch frame 26 can be fixedly arranged on both sides of the front end of the central thread frame 29;

The left and right sides of the universal swash plate 23 can be respectively connected with two universal joint pitching frames 26, and one side is connected with a universal joint pitching frame, and the upper and lower sides of the universal swash plate 23 can be connected with two universal joint pitching frames respectively. The hosting clip 24 is connected, and one side is connected with a universal joint heading hosting clip; optionally, a pair of short shafts can be respectively provided on the left and right sides and the upper and lower sides of the universal swash plate 23, and the left and right sides of the universal swash plate 23 The short axis of the swash plate is connected with the universal joint pitch frame 26 on both sides respectively through a pair of bearings, forming a rotating pair in the pitch direction, and one side is connected with a piece of universal joint pitch frame; A pair of bearings are respectively connected with two pieces of universal joint steering custodial clips 24 to form another pair of rotating pairs in the steering direction;

The front ends of the two universal-joint course hosting clips 24 can be connected to the casing hosting 25; optionally, the front ends of the two universal-joint heading hosting clips 24 can clamp the casing casing 25 with four screws to make the casing casing 25 can be rotated in two degrees of freedom under the action of the swash plate 23;

The second stressed pulley 28 can include a base and a pulley, and the base of the second stressed pulley 28 can be connected with the bottom of the central wire frame 29;

The first stressed pulley 27 may also include a base and a pulley, and the base of the first stressed pulley 27 may be fixed on the upper part of the self-locking device.

In the embodiment of the present utility model, when the UAV is in the flying state, that is, when the UAV has a certain flying speed, the initial guide rope wound on the bobbin 21 is stretched due to the tension effect, and the initial guide rope drawn from the bobbin 21 is sequentially Go around the second stressed pulley 28 and the first stressed pulley 27, and then pass through the through hole of the central sleeve frame 29, the central hole of the universal swash plate 23 and the casing tube 25; the universal swash plate 23 passes through two The universal-joint heading custodial clip 24 and the two universal-joint pitching frames 26 are used to realize two-degree-of-freedom rotation within a certain range to adapt to the movement of the drone.

In the embodiment of the utility model, the second stressed pulley 28 has a certain roll angle, as shown in Figure 5, which shows a schematic diagram of the rotation of the second stressed pulley provided in the embodiment of the utility model, which can be refer to.

Fig. 6 is a schematic diagram of the connection structure of the self-locking device and the pay-off device provided by the embodiment of the utility model. Fig. 6 shows the structure of the self-locking device. In combination with Figs. 1 to 6, the self-locking device may include: a ratchet 31 , ratchet self-locking lever 32, self-locking link shaft 33 and tension control self-locking lever 34;

Optionally, the base of the first stressed pulley 27 can be fixed on the upper part of the tension control self-locking rod 34;

In the embodiment of the present utility model, the ratchet 31 can be arranged coaxially with the bobbin 21, and rotates synchronously with the bobbin 21; It can pass through the bobbin 21 and be fixedly connected with the bobbin 21 to realize synchronous rotation;

The two ends of self-locking link shaft 33 can be connected with the middle part of two side baffles 12, form a pair of revolving pair; connect;

The ratchet self-locking lever 32 can be fixedly connected with the self-locking link shaft 33, and the bottom end is aligned with the edge of the ratchet 31; optionally, the ratchet self-locking lever 32 can be fixed on the edge of the self-locking link shaft 33, and the ratchet can The bottom end of the lock bar 32 is aligned with the edge of the ratchet 31;

The tension control self-locking rod 34 can be fixed on the self-locking link shaft 33, the top of the tension control self-locking rod 34 can be fixedly connected with a spring, one end of the spring is connected with the tension control self-locking rod 34, and the other end is connected with the central sleeve The frame 29 is fixedly connected; optionally, the tension control self-locking rod 34 can be fixed on the middle part of the self-locking link shaft 33, and the top of the tension control self-locking rod 34 can be fixedly connected to the spring through a short shaft; optionally, the spring Can be light spring.

For the convenience of connection, the unmanned aerial vehicle-mounted pay-off rack provided by the embodiment of the utility model controls the unwinding and stopping of the pay-off. , Fig. 8 shows the working schematic diagram of the pay-off frame of the stop pay-off stage (also known as the self-locking stage) provided by the embodiment of the utility model; as shown in Fig. In the stressed state, the line passes through the central thread frame 29 via the first force-bearing pulley 27. Because the pulley is subjected to pulling force, the spring between the tension control self-locking lever 34 and the central thread frame 29 is in a compressed state, so that the opposite direction The ratchet self-locking lever 32 is away from the ratchet 31, at this moment the ratchet 31 can rotate, the spool 21 rotates synchronously, and the pay-off device can continue to pay off the wire; The pulling force received by the ratchet self-locking lever 32 disappears, and the spring pushes the tension control self-locking lever 34 to rotate the self-locking link shaft 33, and the ratchet self-locking lever 32 resists the ratchet 31, so that the ratchet 31 cannot rotate, and the spool 21 cannot rotate. The pay-off stops, and the pay-off frame will not release excess initial guide ropes to interfere with the flight of the drone.

The unmanned aerial vehicle on-board pay-off frame provided by the embodiment of the utility model can be equipped with a self-locking device, which includes a ratchet coaxially fixed to the bobbin, rotating synchronously with the bobbin, and a ratchet that blocks the rotation of the bobbin. The ratchet self-locking lever; when the UAV is still in the air or hovering in the air, the embodiment of the utility model can make the ratchet self-locking lever contact the edge of the ratchet and block the ratchet, so that the ratchet cannot rotate so that the bobbin is no longer Rotate to stop the pay-off; and then achieve the purpose of preventing the unmanned aerial vehicle flight from being disturbed by the continuous outlet, and preventing the redundant initial guide rope from being entangled inside or at the exit of the pay-off device.

The embodiment of the present utility model also provides an unmanned aerial vehicle. The unmanned aerial vehicle may include the above-mentioned unmanned aerial vehicle on-board pay-off rack. For the structural description of the unmanned aerial vehicle on-board pay-off rack, please refer to the corresponding part above. , which will not be repeated here.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. An unmanned aerial vehicle airborne wire rack, is characterized in that, comprises: support device; Supported by the support device, the pay-off device for laying out the initial guide rope; the pay-off device includes a spool that winds the initial guide rope and releases the initial guide rope by rotating; Supported by the supporting device, it is connected with the pay-off device, and controls the self-locking device that stops the initial guide rope from the pay-off device; the self-locking device is fixed coaxially with the bobbin, and The ratchet wheel rotates synchronously with the spool, and the ratchet self-locking lever blocks the ratchet wheel from rotating. 2. The unmanned aerial vehicle-mounted wire rack according to claim 1, wherein the supporting device comprises: a main beam plate and two side baffles; The two side baffles are arranged in parallel, and the top of each side baffle is vertically fixed to the end of the main beam plate through a connecting beam. 3. The unmanned aerial vehicle-mounted wire rack according to claim 2, characterized in that, the wire wire device also includes: a wire reel retaining wheel, a universal swashplate, a universal joint course custodian clip, and a sleeve custodian , the universal joint pitch frame, the first force pulley, the second force pulley and the central thread frame; Wherein, the spool retaining wheel and the spool are arranged coaxially, and the spool is connected between the two side baffles; The central wire frame is connected to the bottom of the main beam; The universal joint pitch frame is fixedly arranged at the front end of the central thread frame; The left and right sides of the swash plate are respectively connected with two gimbal pitch frames, one side is connected with a gimbal pitch frame, the upper and lower sides are respectively connected with two gimbal steering clips, and one side is connected with a Universal joint steering clip; The front ends of the two universal joint steering clips are connected to the sleeve hosting; The second stressed pulley includes a base and a pulley, and the base of the second stressed pulley is connected to the bottom of the central sleeve frame; The first stressed pulley includes a base and a pulley, and the base of the first stressed pulley is fixed on the upper part of the self-locking device. 4. The unmanned aerial vehicle-mounted wire stand according to claim 3, wherein the spool is connected between the two side baffles through a bearing; The wire frame connecting beam is fixedly connected to the bottom of the main beam plate; the front ends of the two universal joints are clamped by four screws to clamp the wires; the base of the second stressed pulley is connected to the Bottom connection on central thread holder. 5. The unmanned aerial vehicle-mounted wire rack according to claim 4, wherein a pair of short shafts are respectively provided on the left and right sides and the upper and lower sides of the universal swash plate, and one of the left and right sides The short shafts are respectively connected to two gimbal pitching frames through a pair of bearings, one side is connected to a gimbal pitching frame, and the short shafts on the upper and lower sides are respectively connected to the two gimbal pitching frames through a pair of bearings Clip connection, one side is connected to a universal joint heading management clip. 6. The unmanned aerial vehicle-mounted wire rack according to any one of claims 3-5, wherein the self-locking device further comprises: a self-locking link shaft and a tension control self-locking lever; Both ends of the self-locking link shaft are connected to the middle of the two side baffles; The ratchet self-locking rod is fixed on the edge of the self-locking connecting rod shaft, and the bottom end is aligned with the edge of the ratchet; The tension control self-locking lever is fixed on the self-locking link shaft, and the top end of the tension control self-locking lever is fixedly connected with a spring, one end of the spring is connected with the tension control self-locking lever, and the other end is connected with the tension control self-locking lever. The central sleeve frame is fixedly connected. 7. The unmanned aerial vehicle-mounted wire rack according to claim 6, wherein the center of the ratchet passes through the wire shaft and is fixedly connected with the wire shaft to realize synchronous rotation. 8. The unmanned aerial vehicle-mounted wire stand according to claim 7, characterized in that, the tension control self-locking rod is fixed in the middle of the self-locking link shaft; the top end of the tension control self-locking rod passes through a short The shaft is fixedly connected to the spring. 9. The unmanned aerial vehicle-mounted wire stand according to claim 8, characterized in that, the base of the first stressed pulley is fixed on the upper part of the tension control self-locking rod. 10. An unmanned aerial vehicle, characterized in that it comprises the unmanned aerial vehicle on-board pay-off rack according to any one of claims 1-9.