CN117673975A - Overhead line butt joint device - Google Patents

Abstract

The application provides an overhead wire butting device, which comprises a butting mechanism for butting with an overhead wire, wherein the butting mechanism comprises a mounting frame and two butting assemblies oppositely arranged on two opposite sides of the mounting frame, and each butting assembly comprises a driving piece, a multi-connecting rod structure and a claw; the claw rotates to be connected on the mounting bracket, and the claw is connected in many connecting rod structure's one end rotation, and the output of driving piece is connected to many connecting rod structure's the other end, and driving piece can drive many connecting rod structure and drive the claw and rotate to make the claw that corresponds be close to or keep away from another claw. According to the overhead line butt joint device, when the clamping claws of the two butt joint assemblies are close to each other, the two clamping claws can jointly clamp an overhead line to realize butt joint with the overhead line, so that an unmanned aerial vehicle carrying the overhead line butt joint device can fly along the overhead line for short-distance inspection; when the clamping claws of the two butt joint assemblies are far away from each other, the two clamping claws loosen the overhead line, so that the butt joint with the overhead line is released.

Description

Overhead line butt joint device

Technical Field

The application belongs to overhead line maintenance technical field, especially relates to an overhead line interfacing apparatus.

Background

The overhead line may be broken after being used for a period of time, so that the broken portion of the overhead line needs to be overhauled. Because the height of the overhead line is higher, if no obvious sagging phenomenon occurs during strand breakage, only the breakpoint is broken, the photos or unmanned aerial vehicle aerial pictures shot on the ground are often not clear enough, the strand breakage number of the overhead line is difficult to evaluate intuitively and accurately, and great potential safety hazards exist in manual overhead line inspection.

Therefore, there is a need for a device that can be used with an unmanned aerial vehicle to perform close-range inspection of overhead lines.

Disclosure of Invention

The embodiment of the application provides an overhead wire butt joint device, and this overhead wire butt joint device can dock in the air with the overhead wire to cooperate unmanned aerial vehicle to carry out closely inspection overhead wire.

The overhead wire butting device comprises a butting mechanism for butting with an overhead wire, wherein the butting mechanism comprises a mounting frame and two butting assemblies oppositely arranged on two opposite sides of the mounting frame, and each butting assembly comprises a driving piece, a multi-connecting rod structure and a claw; the claw is rotationally connected to the mounting frame, one end of the multi-connecting-rod structure is rotationally connected with the claw, the other end of the multi-connecting-rod structure is connected with the output end of the driving piece, and the driving piece can drive the multi-connecting-rod structure to drive the claw to rotate so that the corresponding claw is close to or far away from the other claw.

Optionally, the docking assembly further comprises a torsion spring, the claw is rotationally connected with the mounting frame through a first rotating shaft, and the torsion spring is sleeved on the first rotating shaft.

Optionally, the mounting frame is provided with a channel, the claw comprises a claw body and a connecting part, one end of the connecting part is connected with the claw body, and the other end of the connecting part penetrates through the channel to be rotationally connected with the multi-connecting-rod structure; the butt joint assembly further comprises a limiting piece, the limiting piece is arranged at one end, close to the multi-connecting-rod structure, of the connecting portion and located outside the channel, and the length of the limiting piece is larger than the width of the channel.

Optionally, the multi-link structure comprises a rocker arm and a link, wherein a waist-shaped hole is formed at one end of the link, and the waist-shaped hole extends along the length direction of the link; one end of the rocker arm is connected with the output end of the driving piece, the other end of the rocker arm is rotationally connected with the connecting rod through the waist-shaped hole, and the other end of the connecting rod is rotationally connected with the connecting part.

Optionally, a plurality of through holes are formed in the rocker arm, the through holes are arranged at intervals along the length direction of the rocker arm, and the rocker arm is rotationally connected with the connecting rod through one of the through holes and the waist-shaped hole.

Optionally, the mounting frame comprises a docking bracket, the docking bracket comprises a first mounting part and two second mounting parts, the two second mounting parts are spaced and oppositely arranged at the bottom of the first mounting part, and the driving piece is arranged at the top of the first mounting part; the two clamping jaws of the butt joint assembly are respectively arranged on the two second installation parts, the two second installation parts are provided with the channels, and the channels can accommodate the corresponding clamping jaws.

Optionally, the mounting bracket further includes two driving brackets, the two driving brackets are oppositely disposed at the top of the first mounting portion and detachably connected with the first mounting portion, and the two driving members of the docking assembly are respectively disposed on the two driving brackets.

Optionally, the overhead wire docking device further comprises a shooting mechanism for shooting the claw and the overhead wire.

Optionally, shooting mechanism includes first camera and second camera, first camera sets up the top of mounting bracket, the second camera sets up one side of docking mechanism, first camera with the camera lens of second camera all is towards the jack catch.

Optionally, the overhead line docking device further comprises two buffer mechanisms oppositely arranged on two opposite sides of the mounting frame, one end of each buffer mechanism rotates the mounting frame, and the second camera is mounted on one buffer mechanism.

According to the overhead line butting device, the driving piece is arranged to drive the multi-connecting-rod structure to drive the clamping jaw to rotate so that the clamping jaw is close to or far away from the other clamping jaw, so that when the clamping jaws of the two butting assemblies are close to each other, the two clamping jaws can jointly clamp an overhead line to realize butting with the overhead line, and an unmanned aerial vehicle carrying the overhead line butting device can fly along the overhead line to carry out short-distance inspection; when the clamping claws of the two butt joint assemblies are far away from each other, the two clamping claws loosen the overhead line, so that the butt joint with the overhead line is released.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive effort to a person skilled in the art.

For a more complete understanding of the present application and the advantages thereof, reference is now made to the following descriptions taken in conjunction with the accompanying drawings. Wherein like reference numerals refer to like parts throughout the following description.

Fig. 1 is a schematic structural diagram of an overhead wire docking device according to an embodiment of the present application, where the docking mechanism is in a closed state.

Fig. 2 is an enlarged schematic view of a portion a of the overhead wire docking apparatus shown in fig. 1.

Fig. 3 is a schematic view of the overhead wire docking device shown in fig. 1 after docking with an overhead wire.

Fig. 4 is an enlarged structural schematic view of a portion B of the overhead wire docking apparatus shown in fig. 3.

Fig. 5 is a schematic view of a second structure of an overhead wire docking device according to an embodiment of the present application, where the docking mechanism is in an open state.

Fig. 6 is an enlarged structural schematic view of a part C of the overhead wire docking apparatus shown in fig. 5.

Fig. 7 is a schematic view of the overhead wire docking device shown in fig. 6 when undocked with an overhead wire.

Fig. 8 is a schematic structural view of another view of the overhead wire docking assembly of fig. 5.

Fig. 9 is an enlarged structural schematic view of a portion D of the overhead wire docking device shown in fig. 8.

Fig. 10 is a schematic partial structure of an overhead wire docking device according to an embodiment of the present application.

Fig. 11 is a schematic partial structure of a docking assembly according to an embodiment of the present application.

Fig. 12 is a schematic structural diagram of an unmanned aerial vehicle carrying overhead line docking device according to an embodiment of the present application.

Reference numerals illustrate:

1. an overhead line docking device; 2. an overhead line; 3. unmanned plane; 100. a docking mechanism; 110. a mounting frame; 111. a channel; 112. a butt joint bracket; 1121. a first mounting portion; 1122. a second mounting portion; 113. a drive bracket; 121. a driving member; 122. a multi-link structure; 1221. a rocker arm; 1222. a connecting rod; 1223. a waist-shaped hole; 1224. a through hole; 123. a claw; 1231. a claw body; 1232. a connection part; 124. a first rotating shaft; 125. a torsion spring; 126. a limiting piece; 127. an opening; 210. a first camera; 220. a second camera; 230. a first bracket; 240. a second bracket; 300. and a buffer mechanism.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

The embodiment of the application provides an overhead wire butting device 1, as shown in fig. 12, the overhead wire butting device 1 can be carried on an unmanned aerial vehicle 3 for butting with an overhead wire 2 so as to cooperate with the unmanned aerial vehicle 3 to carry out close-range inspection on the overhead wire 2.

As shown in fig. 1 to 11, an overhead wire docking device 1 provided in an embodiment of the present application includes a docking mechanism 100, where the docking mechanism 100 is used to dock with an overhead wire 2 in the air; the docking mechanism 100 includes a mounting frame 110 and two docking assemblies disposed opposite to each other at opposite sides of the mounting frame 110, the docking assemblies including a driving member 121, a multi-link structure 122, and a jaw 123; the claw 123 is rotatably connected to the mounting frame 110, one end of the multi-link structure 122 is rotatably connected to the claw 123, the other end of the multi-link structure 122 is connected to the output end of the driving member 121, and the driving member 121 can drive the multi-link structure 122 to drive the claw 123 to rotate, so that the corresponding claw 123 is close to or far from the other claw 123. The driving member 121 may be a steering engine, a motor, or other driving members 121 capable of driving the multi-link structure 122 to rotate.

According to the overhead wire butting device 1 provided by the embodiment of the application, the driving piece 121 is arranged to drive the multi-connecting rod structure 122 to drive the clamping jaw 123 to rotate so that the clamping jaw 123 is close to or far away from the other clamping jaw 123, when the clamping jaws 123 of the two butting components are close to each other, the two clamping jaws 123 can jointly clamp the overhead wire 2 (shown in fig. 4) to realize butting with the overhead wire 2, so that the unmanned aerial vehicle 3 carrying the overhead wire butting device 1 can fly along the overhead wire 2 for short-distance inspection, and further, the evaluation of the broken strand position of the overhead wire 2 is more accurate and reliable; when the claws 123 of the two docking assemblies are away from each other, the two claws 123 release the overhead wire 2 (as shown in fig. 7), and release the docking with the overhead wire 2 is achieved. It should be noted that, when the claws 123 of the two docking assemblies approach each other and achieve docking, the space between the two claws 123 is larger than the diameter of the overhead wire 2, so as to avoid locking with the overhead wire 2 and causing the unmanned aerial vehicle 3 to crash.

Specifically, after the overhead wire docking device 1 is mounted on the unmanned aerial vehicle 3 and docked with the overhead wire 2 in the air, the unmanned aerial vehicle 3 can fly along the overhead wire 2 to perform close-range inspection on the broken strand of the overhead wire 2. Compared with the existing inspection modes of manually feeding the overhead line 2 for inspection, photographing on the ground or aerial photographing by unmanned aerial vehicle 3, the overhead line docking device 1 provided by the embodiment of the application can realize close-range inspection, does not need to perform manual overhead operation, is safer and more convenient, and effectively ensures personnel safety.

As shown in fig. 10 and 11, the mounting frame 110 is provided with a channel 111, the claw 123 includes a claw body 1231 and a connecting portion 1232, one end of the connecting portion 1232 is connected to the claw body 1231, and the other end of the connecting portion 1232 passes through the channel 111 to be rotatably connected to the multi-link structure 122; as shown in fig. 2, 4, 6 and 9-11, the docking assembly further includes a limiting member 126, where the limiting member 126 is disposed at an end of the connecting portion 1232 near the multi-link structure 122 and is located outside the channel 111, and a length of the limiting member 126 is greater than a width of the channel 111. Through setting up the locating part 126, can restrict the rotation scope of jack catch 123, can keep predetermineeing the clearance when making two jack catches 123 be close to each other, make two jack catches 123 not fully seal in order to form an opening 127, the width of opening 127 is less than the diameter of overhead wire 2, when one of them driving piece 121 inefficacy, another driving piece 121 can normally drive corresponding jack catch 123 open and close to can normally dock with overhead wire 2 and release the butt joint, in order to guarantee docking mechanism 100 normal operating.

Specifically, as shown in fig. 10, the mounting frame 110 includes a docking bracket 112, the docking bracket 112 includes a first mounting portion 1121 and two second mounting portions 1122, the two second mounting portions 1122 are spaced apart and oppositely disposed at the bottom of the first mounting portion 1121, and the driving member 121 is disposed at the top of the first mounting portion 1121; the claws 123 of the two docking assemblies are respectively disposed on the two second mounting portions 1122, the two second mounting portions 1122 are both provided with a channel 111, and the channel 111 can accommodate the corresponding claws 123. By providing the first and second mounting portions 1121 and 1122 and providing the passage 111 in the second mounting portion 1122 to accommodate the claw 123, it is possible to form a protection against the upper side and both sides of the claw 123, preventing foreign objects from directly contacting the claw 123 from the upper side and both sides, thereby reducing the risk of damage caused by direct contact of the claw 123 with foreign objects.

As shown in fig. 10, the mounting bracket 110 further includes two driving brackets 113, where the two driving brackets 113 are oppositely disposed at the top of the first mounting portion 1121 and detachably connected to the first mounting portion 1121, and driving members 121 of the two docking assemblies are respectively disposed on the two driving brackets 113, so that modular management can be implemented, and when any one of the driving members 121 is damaged, the driving member 121 can be detached and a new driving member 121 can be installed, so as to ensure that the overhead wire docking device 1 works normally.

As shown in fig. 2, 4 and 6, the multi-link structure 122 includes a rocker arm 1221 and a link 1222, one end of the link 1222 is provided with a waist-shaped hole 1223, and the waist-shaped hole 1223 extends along the length direction of the link 1222; one end of the swing arm 1221 is connected to the output end of the driving member 121, the other end of the swing arm 1221 is rotatably connected to the link 1222 through the waist-shaped hole 1223, and the other end of the link 1222 is rotatably connected to the connection part 1232 of the jaw 123. By providing the waist-shaped hole 1223 on the link 1222 and combining the stopper 126, when the two driving members 121 fail at the same time, the overhead wire 2 can give a release force to the two jaws 123 when the unmanned aerial vehicle 3 climbs vertically, so that the overhead wire 2 can be safely released from the docking mechanism 100 in an emergency state.

Specifically, as shown in fig. 2, 4 and 11, when the docking mechanism 100 is in the closed state, the two claws 123 are in the non-closed state, and the width of the opening 127 is smaller than the diameter of the overhead wire 2, so that the overhead wire 2 does not come out of the two claws 123. When the corresponding claw 123 cannot be opened due to the failure of the driving member 121 on one side, the driving member 121 on the other side can normally drive the corresponding claw 123 to be opened and closed, and the whole docking mechanism 100 can also be ensured to work normally. In the case that the driving members 121 at both sides are simultaneously failed, when the docking mechanism 100 is to be disconnected from the overhead wire 2 (i.e., undocked), since the two jaws 123 are in an unsealed state, the overhead wire 2 can be safely disconnected from the docking mechanism 100 in an emergency state by controlling the unmanned aerial vehicle 3 to vertically climb so that the overhead wire 2 gives a releasing force to the two jaws 123.

Alternatively, as shown in fig. 2, 4 and 6, the rocker arm 1221 is provided with a plurality of through holes 1224, and the plurality of through holes 1224 are arranged at intervals along the length direction of the rocker arm 1221, and the rocker arm 1221 is rotationally connected with the connecting rod 1222 through one of the through holes 1224 and the waist-shaped hole 1223. By providing the plurality of through holes 1224 on the rocker arm 1221, a proper through hole 1224 can be selected to be connected with the connecting rod 1222 according to the practical length of the rocker arm 1221, so that the installation and operation of the rocker arm 1221 and the connecting rod 1222 are more convenient.

As shown in fig. 9 and 11, the docking assembly further includes a torsion spring 125, where the claw 123 is rotatably connected to the mounting frame 110 through a first rotation shaft 124, and the torsion spring 125 is sleeved on the first rotation shaft 124. By providing the torsion spring 125, a force for rotationally resetting the claws 123 can be provided, so that the claws 123 can be in a tight state when the two claws 123 clamp the overhead wire 2, and the overhead wire 2 is not easy to slide.

In some embodiments of the present application, the overhead wire docking apparatus 1 further includes a photographing mechanism for photographing the claw 123 and the overhead wire 2. It can be understood that in the process of docking the docking structure with the overhead line 2, the claw 123 and the overhead line 2 can be photographed by the photographing device, so that ground personnel observe the whole docking process, and further control and control the flight of the unmanned aerial vehicle 3 to adjust the relative position of the docking mechanism 100 and the overhead line 2 until the docking is successful; when the docking mechanism 100 is successfully docked with the overhead line 2, the unmanned aerial vehicle 3 can perform close-range inspection on the overhead line 2 through the shooting mechanism in the process of flying along the overhead line 2.

As shown in fig. 1 to 9, the photographing mechanism may include a first camera 210 and a second camera 220, the first camera 210 is disposed at the top of the mounting frame 110, the second camera 220 is disposed at one side of the docking mechanism 100, and lenses of the first camera 210 and the second camera 220 face the claw 123. Wherein, ground operators can look down at the positions of the docking mechanism 100 and the overhead line 2 in the left-right direction through the first camera 210; the ground operator can observe the position of the docking mechanism 100 and the overhead line 2 in the height direction from one side through the second camera 220, so that the observation is more comprehensive to improve the docking efficiency, and meanwhile, the shooting effect on the overhead line 2 is clearer and more reliable.

Specifically, the first camera 210 is mounted on the top of the driving bracket 113 through the first bracket 230, and can look down the docking mechanism 100, the overhead line 2 and the whole docking process from top to bottom; the second camera 220 is mounted on the buffer mechanism 300 at one side through the second bracket 240, and the docking mechanism 100, the overhead wire 2, and the entire docking process can be observed from one side.

When the docking mechanism 100 is docked with the overhead line 2, the two claws 123 are driven by the two driving members 121 to be away from each other, so as to open the two claws 123; the two claws 123 and the overhead wire 2 of the docking mechanism 100 are observed through the first camera 210 and the second camera 220, the positions of the unmanned aerial vehicle 3 in the left-right direction and the height direction are adjusted until the overhead wire 2 is clamped into the space between the two claws 123, and then the two driving pieces 121 are controlled to respectively drive the two claws 123 to approach each other to close the two claws 123, so that the docking task is completed.

In some embodiments of the present application, as shown in fig. 1-9, the overhead wire docking device 1 further includes two buffer mechanisms 300 disposed opposite to each other on two opposite sides of the mounting frame 110, one end of the buffer mechanism 300 rotates the mounting frame 110, the other end of the buffer mechanism 300 may be rotatably connected to the unmanned aerial vehicle 3 for carrying the overhead wire docking device 1, and the second camera 220 is mounted on one of the buffer mechanisms 300. The buffer mechanism 300 has a telescopic capability, and has a certain buffer capability when the docking mechanism 100 is docked with the overhead wire 2 and locked.

Specifically, as shown in fig. 1, 3, 5, 7 and 8, one end of one buffer mechanism 300 rotates one second mounting portion 1122 of the rack of the connecting claw 123, and one end of the other buffer mechanism 300 rotates the other second mounting portion 1122 of the rack of the connecting claw 123, and the docking mechanism 100 and the buffer mechanisms 300 on both sides together form a V-shaped structure, so that the whole docking mechanism 100 can be connected with the unmanned aerial vehicle 3 through the two buffer mechanisms 300.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.

In the description of the present application, the terms "first," "second," and the like 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, features defining "first," "second," etc. may explicitly or implicitly include one or more features.

The above describes the overhead line docking device provided in the embodiment of the present application in detail, and specific examples are applied herein to illustrate the principles and embodiments of the present application, where the above description of the embodiment is only for helping to understand the method and core idea of the present application; meanwhile, as those skilled in the art will vary in the specific embodiments and application scope according to the ideas of the present application, the contents of the present specification should not be construed as limiting the present application in summary.

Claims (10)

1. An overhead line docking device is characterized by comprising a docking mechanism (100) for docking with an overhead line (2), wherein the docking mechanism (100) comprises a mounting frame (110) and two docking assemblies oppositely arranged on two opposite sides of the mounting frame (110), and each docking assembly comprises a driving piece (121), a multi-connecting rod structure (122) and a claw (123);

the claw (123) is rotationally connected to the mounting frame (110), one end of the multi-connecting-rod structure (122) is rotationally connected to the claw (123), the other end of the multi-connecting-rod structure (122) is connected to the output end of the driving piece (121), and the driving piece (121) can drive the multi-connecting-rod structure (122) to drive the claw (123) to rotate so that the corresponding claw (123) is close to or far away from the other claw (123).

2. The overhead wire docking device according to claim 1, wherein the docking assembly further comprises a torsion spring (125), the claw (123) is rotatably connected to the mounting frame (110) through a first rotation shaft (124), and the torsion spring (125) is sleeved on the first rotation shaft (124).

3. The overhead wire docking device according to claim 1, wherein the mounting frame (110) is provided with a channel (111), the claw (123) comprises a claw body (1231) and a connecting part (1232), one end of the connecting part (1232) is connected with the claw body (1231), and the other end of the connecting part (1232) is rotatably connected with the multi-link structure (122) through the channel (111);

the butt joint assembly further comprises a limiting piece (126), the limiting piece (126) is arranged at one end, close to the multi-connecting-rod structure (122), of the connecting portion (1232) and located outside the channel (111), and the length of the limiting piece (126) is larger than the width of the channel (111).

4. The overhead line docking device according to claim 3, wherein the multi-link structure (122) comprises a rocker arm (1221) and a link (1222), one end of the link (1222) is provided with a waist-shaped hole (1223), and the waist-shaped hole (1223) extends along a length direction of the link (1222); one end of the rocker arm (1221) is connected with the output end of the driving piece (121), the other end of the rocker arm (1221) is rotationally connected with the connecting rod (1222) through the waist-shaped hole (1223), and the other end of the connecting rod (1222) is rotationally connected with the connecting part (1232).

5. The overhead wire docking device according to claim 4, wherein the swing arm (1221) is provided with a plurality of through holes (1224), the plurality of through holes (1224) are arranged at intervals along the length direction of the swing arm (1221), and the swing arm (1221) is rotatably connected with the connecting rod (1222) through one of the through holes (1224) and the waist-shaped hole (1223).

6. An overhead line docking arrangement according to claim 3, characterized in that the mounting frame (110) comprises a docking bracket (112), the docking bracket (112) comprising a first mounting portion (1121) and two second mounting portions (1122), the two second mounting portions (1122) being spaced apart and arranged opposite to each other at the bottom of the first mounting portion (1121), the drive (121) being arranged at the top of the first mounting portion (1121); the clamping claws (123) of the two butt joint assemblies are respectively arranged on the two second installation parts (1122), the two second installation parts (1122) are provided with the channels (111), and the channels (111) can accommodate the corresponding clamping claws (123).

7. The overhead wire docking device according to claim 6, wherein the mounting frame (110) further comprises two driving brackets (113), the two driving brackets (113) being oppositely disposed on top of the first mounting portion (1121) and detachably connected to the first mounting portion (1121), the driving members (121) of the two docking assemblies being respectively disposed on the two driving brackets (113).

8. Overhead wire docking device according to claim 1, characterized in that the overhead wire docking device further comprises a shooting mechanism for shooting the jaws (123) and the overhead wire (2).

9. The overhead wire docking device according to claim 8, wherein the photographing mechanism comprises a first camera (210) and a second camera (220), the first camera (210) is arranged at the top of the mounting frame (110), the second camera (220) is arranged at one side of the docking mechanism (100), and lenses of the first camera (210) and the second camera (220) face the claw (123).

10. The overhead wire docking device according to claim 9, further comprising two buffer mechanisms (300) disposed opposite to each other on both sides of the mounting frame (110), one end of the buffer mechanism (300) rotates the mounting frame (110), and the second camera (220) is mounted on one of the buffer mechanisms (300).