High-voltage transmission line spacer auxiliary installation trolley and auxiliary installation method

Abstract

The invention relates to an auxiliary mounting device for a spacer of a high-voltage transmission line, and discloses the auxiliary mounting device and method for the spacer of the high-voltage transmission line. Traveling wheels for driving the trolley to travel and counting wheels for recording the traveling distance of the trolley are respectively arranged at two ends of the frame body along the traveling advancing direction of the trolley; and a positioning laser module for positioning the mounting positions of the spacers on the plurality of power transmission lines is also arranged on the rear end surface of the frame body along the traveling and advancing direction of the trolley. According to the invention, the installation spacing of the spacer can be automatically measured, a constructor does not need to go to a wire for measurement, and autonomous driving and accurate measurement on a high-voltage transmission line can be realized, so that the installation efficiency and accuracy are greatly improved, the safety risk is reduced, and the economic and social benefits are remarkable; and the method has a wide application prospect in line engineering construction.

Description

Technical Field

[0001] This invention relates to an auxiliary installation device for spacers in high-voltage transmission lines, and more particularly to an auxiliary installation device and method for spacers in high-voltage transmission lines. Background Technology

[0002] Transmission line spacers are indispensable and crucial components in power lines. Their main functions are to maintain the equivalent radius of split conductors, suppress conductor galloping, and improve the stability and safety of the line. The installation quality and accuracy of the spacers directly affect the line's operational performance and lifespan. They not only maintain conductor spacing and prevent conductor collisions and discharges, but also effectively suppress conductor vibration, thereby improving transmission capacity and reliability.

[0003] However, in traditional installation methods, the measurement of spacer installation distances and the assurance of installation quality still mainly rely on manual labor. Workers climb onto the guide wire and use tools such as measuring ropes or laser rangefinders to measure in the air, or workers use measuring ropes or laser rangefinders on the ground to measure through simulated measurement or direct measurement. Such methods either have significant safety risks or are inefficient and have large measurement errors, especially in complex terrain and inclement weather conditions.

[0004] Therefore, it is necessary to propose a solution that differs from traditional methods and can improve upon the problems existing in traditional installation methods. Summary of the Invention

[0005] This invention addresses the problems existing in the installation of spacers for high-voltage transmission lines by providing an auxiliary installation device and method for spacers in high-voltage transmission lines.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: A trolley for auxiliary installation of spacers in high-voltage transmission lines includes a trolley frame, the trolley frame including a frame body, and the frame body having a traveling wheel for driving the trolley and a counting wheel for recording the distance traveled by the trolley at both ends along the direction of travel of the trolley. The rear end face of the frame body along the direction of travel of the vehicle is also equipped with a positioning laser module for positioning the spacer bar on multiple power transmission lines.

[0007] Preferably, the frame body includes a vertically arranged main mounting plate, a frame assembly is provided on one side of the main mounting plate, the traveling wheels and the counting wheels are both mounted on the frame assembly, and the frame assembly is also provided with a traveling wheel drive motor connected to the traveling wheels and an encoder connected to the counting wheels.

[0008] Preferably, the main mounting plate is also provided with a lower frame assembly distributed below the upper frame assembly. The upper frame assembly and the lower frame assembly form a U-shaped cable inlet cavity with an opening facing away from the main mounting plate. The lower frame assembly is provided with a wire pressing wheel and a power supply battery respectively corresponding to the traveling wheel and the counting wheel. The traveling wheel and the counting wheel are both located on the upper side of the power transmission line. The wire pressing wheel can press against the lower side of the power transmission line. When the wire pressing wheel is pressed against the lower side of the power transmission line, the wire pressing wheel is located behind the traveling wheel in the direction of travel.

[0009] The combination of the pressure rollers and the power supply battery enables the trolley to be pressed firmly on the front side of the power transmission line and counterweighted on the rear side, ensuring the installation stability of the trolley at both ends.

[0010] As a preferred option, the chassis components also include a main control panel that is electrically connected to the positioning laser module, the drive motor for the walking wheels, the encoder, and the power supply battery.

[0011] Preferably, the positioning laser module is a 360° circular linear laser module. The positioning laser module effectively ensures the accuracy and quality of the spacer installation, maintains consistent spacing between adjacent transmission lines, aligns the installation points of adjacent spacers, and results in a more aesthetically pleasing overall installation.

[0012] Preferably, the front end of the frame body along the direction of travel of the vehicle is provided with an anti-collision component. The anti-collision component includes a proximity switch installed on the front end and electrically connected to the main control panel, and a movable plate that can rotate and triggers the proximity switch under rotation. An anti-collision bar is installed on the movable plate that can drive the movable plate to rotate under the action of external force. The anti-collision bar is located in front of the front end.

[0013] Preferably, the front end face includes a front end top surface, a front end bottom surface, and a wire through hole located between the front end top surface and the front end bottom surface. The upper and lower ends of the anti-collision bar are bent into an upper U-shaped bar and a lower U-shaped bar, respectively. A vertical bar is connected between the upper U-shaped bar and the lower U-shaped bar and is located at the wall of the wire hole. The upper U-shaped bar is located at the top of the front end and the lower U-shaped bar is located at the bottom of the front end.

[0014] The structure and installation position of the anti-collision bar can protect the trolley from collisions; at the same time, it can prevent the trolley from falling off the guide wire after the wheels continue to rotate after it has traveled to the guide end.

[0015] Preferably, the front end is provided with two anti-collision bar mounting seats. The upper U-shaped bar includes an upper crossbar and a lower crossbar that are arranged in parallel and distributed vertically. The upper end of the movable plate passes through the upper crossbar, and the lower end is provided with a snap-fit ​​groove for the lower crossbar to be inserted. The two ends of the upper crossbar are rotatably connected to the two anti-collision bar mounting seats respectively. The movable plate is also equipped with a triggering part that can trigger the proximity switch when the movable plate rotates. The end of the lower crossbar presses against the end face of the triggering part that is away from the proximity switch.

[0016] Preferably, the upper and lower ends of the movable plate are respectively provided with support bolts and support elastic elements that can be supported on the front end face. The support bolts pass through the movable plate and are threaded onto the movable plate. The support elastic elements are installed on the plate surface of the movable plate facing the front end face. The setting of the support bolts can realize the adjustment of the rotation angle of the movable plate and the clamping force of the support spring, so as to better cooperate with the proximity switch and achieve a better stopping effect.

[0017] The method for auxiliary installation of spacers in high-voltage transmission lines, based on a trolley for auxiliary installation of spacers in high-voltage transmission lines, specifically includes the following steps: Step S1: Install the trolley onto one of the power lines, ensuring that the power line is in close contact with the counting wheel; Step S2: Preset the trolley travel length based on the required distance for installing the spacers; Step S3: After the trolley travels on the power line, the counting wheel acquires the trolley's travel distance signal; Step S4: The trolley stops moving at a preset trolley travel length position based on the acquired trolley travel distance signal, and the positioning laser module emits surface laser to all power transmission lines; Step S5: Based on the area laser emitted by the positioning laser module, the staff installs spacers between the power transmission lines; Step S6: After the spacer is installed, the trolley continues to move to the next spacer installation position based on steps S2-S5 to install the next spacer.

[0018] This invention, by adopting the above technical solutions, has significant technical effects: This invention provides an intelligent trolley that can better assist in the installation of spacers. It can automatically measure the installation spacing of spacers without requiring construction personnel to climb onto the conductor for measurement. It can achieve autonomous driving and accurate measurement on high-voltage transmission lines, thereby significantly improving installation efficiency and accuracy, reducing safety risks, and yielding significant economic and social benefits. It has broad application prospects in line engineering construction. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the present invention.

[0020] Figure 2 yes Figure 1 Another perspective structural diagram.

[0021] Figure 3 This is a schematic diagram of the pressing state of the pressure wheel of the present invention.

[0022] Figure 4 yes Figure 1 A schematic diagram of the internal structure.

[0023] Figure 5 This is a schematic diagram of the installation of the wheels on the main mounting plate.

[0024] Figure 6 This is a schematic diagram of the counting wheel's installation on the main mounting plate.

[0025] Figure 7 This is a schematic diagram of the pressure roller drive assembly.

[0026] Figure 8 This is a schematic diagram of the anti-collision component structure.

[0027] Figure 9 yes Figure 8 A schematic diagram of the structure of the movable plate in the middle.

[0028] Figure 10 This is a control block diagram of the present invention. Detailed Implementation

[0029] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.

[0030] Example 1 This embodiment provides a trolley for auxiliary installation of spacers in high-voltage transmission lines, such as... Figures 1-10 As shown, it is suitable for high-voltage transmission lines with a wire diameter / specification of 400~630 square millimeters. The entire trolley is lightweight and easy to carry, weighing no more than 5kg. The vehicle body is equipped with a safety hook to prevent the risk of falling due to accidental loss. It can effectively assist in the installation of spacers and effectively improve the efficiency of spacer installation.

[0031] The specific structure is as follows: It includes a car frame 1, which includes a frame body 101. The frame body 101 has a traveling wheel 102 that drives the car to travel and a counting wheel 103 that records the distance traveled by the car at both ends along the direction of the car's travel.

[0032] The frame body 101 is provided with a trolley traveling mechanism, which includes a traveling wheel 102 that can travel on the power transmission line. The traveling wheel is located on the upper side of the power transmission line. It also includes a pressing wheel 108 that can press against the lower side of the power transmission line. When the pressing wheel 108 is pressed against the lower side of the power transmission line, it is located behind the traveling wheel 102 in the direction of travel. It also includes a traveling wheel drive motor 106 for driving the traveling wheel 102 to travel on the power transmission line. One end of the traveling wheel 102 is connected to the motor shaft of the traveling wheel drive motor 106, and the other end is provided with a rotating bearing 115.

[0033] The frame body 101 includes a vertically arranged main mounting plate 105. On one side of the main mounting plate 105, there are upper frame components and lower frame components distributed vertically. A U-shaped cable inlet cavity 111 with an opening facing away from the main mounting plate 105 is formed between the upper frame components and the lower frame components. The traveling wheel 102 and the counting wheel 103 are both mounted on the upper frame components. The upper frame components are also provided with a traveling wheel drive motor 106 connected to the traveling wheel 102 and an encoder 107 connected to the counting wheel 103.

[0034] The rear end face of the frame body 101 along the direction of travel of the trolley is also provided with a positioning laser module 104 for positioning the spacer bar on the installation position of multiple power transmission lines. The positioning laser module 104 is a 360° ring-shaped line laser module.

[0035] The main mounting plate 105 is also provided with a lower frame assembly distributed below the upper frame assembly. The lower frame assembly is provided with a wire pressing wheel 108 and a power supply battery 109 respectively corresponding to the traveling wheel 102 and the counting wheel 103. The traveling wheel 102 and the counting wheel 103 are both located on the upper side of the power transmission line, and the wire pressing wheel 108 can press against the lower side of the power transmission line.

[0036] The frame components also include a main control panel 110 that is electrically connected to the positioning laser module 104, the walking wheel drive motor 106, the encoder 107, and the power supply battery 109.

[0037] During operation, the operator places the trolley laterally onto one of the power lines through the U-shaped inlet cavity 111 from one end of the power line. Under the weight of the trolley itself, the traveling wheel 102 and the counting wheel 103 are ensured to press against the power line and make full contact. Then, the pressing wheel 108 is pressed against the underside of the power line. The pressing wheel 108 and the traveling wheel 102 limit the upper and lower movement of the power line, and the pressing wheel 108 presses firmly against the conductor with appropriate force, ensuring that the trolley is firmly erected on the overhead power line. In addition, when the pressing wheel 108 is pressed against the underside of the power line, the pressing wheel 108 is located behind the traveling wheel 102 in the direction of travel, thus ensuring that the trolley will not roll backward when climbing on the power line, resulting in high reliability.

[0038] In this embodiment, the pressure roller 108 and the traveling roller 102 have the same shape, both including a frustum section 301 at both ends and a cylindrical section 302 in the middle. The outer diameter of the frustum section 301 gradually decreases from both ends of the traveling roller 102 or the pressure roller 108 toward the cylindrical section 302 until it is equal to the outer diameter of the cylindrical section 302. The outer wall of the cylindrical section 302 is recessed from both ends toward the middle to form an arc-shaped groove 303 for cooperating with the outer surface of the power transmission line.

[0039] The pressing wheel 108 and the traveling wheel 102 cooperate with each other to press the upper and lower sides of the power transmission line through their respective arc-shaped grooves 303. Based on their shape of being narrow in the middle and wide at both ends, a limiting channel is formed for the power transmission line to pass through. At the same time, the pressing wheel 108 is located behind the traveling wheel 102. This layout increases the length of the limiting channel, enabling the trolley to be stably erected and traveled on the power transmission line.

[0040] In addition, the power supply battery 109 is located at the rear of the trolley and below the counting wheel 103, which has a more reasonable layout. In addition to providing power to the entire trolley, it can also act as a counterweight at the rear of the trolley to ensure that the trolley does not tilt forward. This ensures effective contact between the counting wheel 103 and the power transmission line, and further improves the stability of the trolley when it is installed and moves on the power transmission line. This allows the trolley to work effectively without the need for the pressure wheel 108 at the rear of the trolley, reducing costs and weight.

[0041] When the trolley travels on the power line, the travel switch is turned on, and the travel wheel drive motor 106 drives the travel wheel 102 to rotate, enabling it to travel on the power line. At the same time, the power line drives the counting wheel 103 to rotate. The counting wheel 103 is connected to the photoelectric encoder 107. The cooperation between the counting wheel 103 and the encoder 107 can obtain the trolley's travel distance signal and transmit the signal to the main control panel 110. The main control panel 110 parses the signal and converts it into travel distance data, and compares it in real time with the preset length entered by the staff on the display screen of the main control panel 110 before the trolley travels. The input preset length is the required spacing length for the installation of adjacent spacers. When the obtained travel distance is equal to the preset length, the main control panel 110 controls the travel wheel drive motor 106 to stop, and the trolley stops traveling. This stopping position is the spacer installation position. Next, the main control panel 110 controls the positioning laser module 104 to emit a surface laser, which emits a ring laser to mark multiple adjacent transmission lines. The staff can then use these marks to install the spacer at the specified location on different transmission lines. This laser marking method effectively ensures the accuracy and quality of spacer installation, maintains a consistent spacing between adjacent transmission lines, and aligns the installation points of adjacent spacers, resulting in a more aesthetically pleasing overall installation.

[0042] In this embodiment, the frame assembly includes a wheel mounting bracket 701 and a counting wheel mounting bracket 702. The wheel mounting bracket 701 and the counting wheel mounting bracket 702 each include a U-shaped frame body 703 for the wheel and a U-shaped frame body 704 for the counting wheel, both with downward-facing openings. The outer end faces of the U-shaped frame body 703 and the U-shaped frame body 704 are respectively provided with a front end plate 705 constituting the front end plate of the frame assembly and a rear end plate 706 constituting the rear end plate of the frame assembly. Both the front end plate 705 and the rear end plate 706 of the frame have downward-facing arc-shaped grooves 707 at their lower parts. The traveling wheel 102 and the counting wheel 103 are respectively installed in the traveling wheel U-shaped frame 703 and the counting wheel U-shaped frame 704. When the traveling wheel 102 and the counting wheel 103 are located on the upper side of the transmission line, there is a gap between the inner wall of the arc-shaped groove 707 and the transmission line, so that the arc-shaped groove 707 will not interfere with the relative operation of the transmission line located below the traveling wheel 102.

[0043] Both the U-shaped frame 703 for the traveling wheel and the U-shaped frame 704 for the counting wheel include a rear arm 708 fixed to the main mounting plate 105. The rear sidewalls of the U-shaped frames 703 and 704 respectively have a motor mounting cavity 709 and an encoder mounting cavity 710. The motor mounting cavity 709 and encoder mounting cavity 710 respectively house a traveling wheel drive motor 106 connected to the traveling wheel 102 and an encoder 107 connected to the counting wheel 103. One end of the traveling wheel 102 is mounted on the rear sidewall of the U-shaped frame 703 and connected to the motor shaft of the traveling wheel drive motor 106. The other end of the traveling wheel 102 is mounted on the front sidewall of the U-shaped frame 703 via a rotating bearing 115.

[0044] In this embodiment, the structural design of the frame assembly is simple, consisting of only a main mounting plate 105 and two U-shaped frames to realize the installation of the walking wheels 102 and their drive mechanism, the counting wheels 103 and the encoder 107, etc. The frame assembly also includes a main control panel mounting frame 711 disposed between the walking wheel mounting frame 701 and the counting wheel mounting frame 702. The main control panel mounting frame 711 is constructed as an L-shaped bracket plate including a vertical arm 712 and a horizontal arm 713. The vertical arm 712 is fixed on the main mounting plate 105, and the main control panel 110, which is electrically connected to the walking wheel drive motor 106 and the encoder 107, is mounted on the horizontal arm 713.

[0045] The main control panel 110 is mounted between two U-shaped frames via the main control panel mounting bracket 711, which enables short-distance connection between the main control panel 110 and the walking wheel 102 and the counting wheel 103, and the layout is reasonable. In addition, the traveling wheel 102 and its drive mechanism, the counting wheel 103 and the encoder 107 are all hidden in the frame components, so that the front and rear ends, left and right end faces and the top end face of the frame components are all flat structures, ensuring the integrity and aesthetics of the frame, while also providing corresponding protection for each moving component.

[0046] The lower frame components include a battery mounting seat 714 and a wire pressing wheel mounting seat 715, which are respectively arranged vertically opposite to the counting wheel mounting frame 702 and the walking wheel mounting frame 701. Both the battery mounting seat 714 and the wire pressing wheel mounting seat 715 are fixed on the main mounting plate 105 and are on the same horizontal plane. The arrangement of the battery mounting seat 714 and the wire pressing wheel mounting seat 715 further increases the overall structural neatness and aesthetics of the vehicle frame 1, while also making the weight distribution of various parts on the vehicle frame 1 uniform and reasonable, ensuring that the weight distribution of various parts of the vehicle is relatively uniform, and reducing the risk of the vehicle tipping over or becoming unbalanced.

[0047] In this embodiment, the power supply battery 109 is inserted into the lower surface of the battery mounting base 714, and the wire pressing wheel 108 is mounted on the wire pressing wheel mounting base 715 through a wire pressing wheel mounting bracket 4. The cooperation between the wire pressing wheel 108 and the power supply battery 109 enables the trolley to be pressed on the front side and counterweighted on the rear side on the power transmission line, ensuring the installation stability of the trolley at both ends.

[0048] The lower end face of the battery mounting base 714 is provided with a socket for the power supply battery 109. Construction personnel can directly plug the power supply battery 109 into the socket, which is simple and convenient.

[0049] In this embodiment, the trolley traveling mechanism also includes a wire pressing wheel drive assembly, which includes a wire pressing wheel mounting bracket 4. The wire pressing wheel 108 is mounted on the wire pressing wheel mounting base 715 through the wire pressing wheel mounting bracket 4.

[0050] The wire pressing wheel mounting bracket 4 includes a frame 401 mounted on a wire pressing wheel mounting base 715 via a rotating shaft 402. The rotating shaft 402 is located at one end of the frame 401 and below the traveling wheel 102. The wire pressing wheel 108 is located at the other end of the frame 401. The frame 401 can rotate around the rotating shaft 402 to the position where the wire pressing wheel 108 presses against the lower side of the power transmission line. A accommodating gap 716 is left between the battery mounting base 714 and the wire pressing wheel mounting base 715 to accommodate the frame 401 when it rotates to a horizontal state. The accommodating gap 716 ensures that the frame 401 can rotate to a horizontal state without overlapping the battery mounting base 714, thereby preventing the frame 401 from blocking the inlet opening of the U-shaped inlet cavity 111 when the trolley is initially removed from the power transmission line, thus facilitating the installation and removal of the trolley.

[0051] In this embodiment, a torsion spring 403 is installed on the rotating shaft 402 to drive the frame 401 to rotate upward around the rotating shaft 402, and the pressure wheel 108 can press against the lower side of the power transmission line under the rotation of the frame 401.

[0052] The rotating shaft 402 includes a rotating shaft body 404 and two annular limiting bodies 405 respectively disposed at both ends of the rotating shaft body 404 and coaxially disposed with the rotating shaft body 404. The portion of the rotating shaft body 404 located at the two annular limiting bodies 405 constitutes a torsion spring mounting section for mounting a torsion spring 403. A drive plate 406 is also connected between the two annular limiting bodies 405. A gap is left between the drive plate 406 and the torsion spring mounting section for the torsion arm 503 of the torsion spring 403 to pass through. When the rotating shaft 402 rotates, the drive plate 406 can drive the torsion spring 403 to rotate. During the rotation of the torsion spring 403, it can drive the frame 401 to rotate upward around the rotating shaft 402.

[0053] The torsion spring 403 is a parallel double torsion spring 403, including two coaxially arranged helical parts 501 with opposite winding directions, a U-shaped retaining ring 502 connecting the two helical parts 501, and two torsion arms 503 located on the outside of the two helical parts 501 respectively. Both helical parts 501 are sleeved on the torsion spring mounting section. When the rotating shaft 402 rotates, the plate surface of the drive plate 406 can act on the U-shaped retaining ring 502. The frame 401 includes two connecting arms 407. The pressing wheel 108 and the rotating shaft 402 are installed between the two connecting arms 407 and are located at both ends of the connecting arms 407 respectively. A drive arm 408 is also installed between the two connecting arms 407. Two slots 410 are provided on the lower end surface of the drive arm 408. Two support columns 409 are also provided on the inner side of the two connecting arms 407. The middle part of the torsion arm 503 is engaged in the slot 410, and the end away from the spiral part 501 is attached to the support column 409.

[0054] In this embodiment, the torsion spring 403 provides torsional force through two helical parts 501 and two torsion arms 503, which can press the two ends of the pressure wheel 108, making the pressure wheel 108 more forceful and ensuring its crimping effect on the power transmission line. At the same time, it avoids excessive pressing of the power transmission line, which would affect the movement of the trolley.

[0055] One end of the rotating shaft 402 is connected to the main mounting plate 105 and a lever 5 that can drive the rotating shaft 402 to rotate is installed at the end. One end of the lever 5 is connected to the end of the rotating shaft 402, and the other end forms a free end.

[0056] The lower end face of the rear arm 708 of the U-shaped frame 703 for the traveling wheels, the lower end face of the rear arm 708 of the U-shaped frame 704 for the counting wheels, and the lower end face of the vertical arm 712 of the main control panel mounting bracket 711 are all on the same horizontal plane and together with the surface of the main mounting plate 105, they form an L-shaped receiving groove 717. When the lever 5 is in a horizontal state, it can be accommodated in the L-shaped receiving groove 717. The L-shaped receiving groove 717 is naturally formed by the rear side wall, which not only makes the overall structure of the trolley more compact, but also eliminates the need to set up a corresponding corresponding storage position for the lever 5.

[0057] The trolley traveling mechanism also includes a pressure wheel limiting assembly: the pressure wheel limiting assembly includes a limiting rod 601 installed at the end of the rotating shaft 402 away from the main mounting plate 105 and capable of rotating with the rotating shaft 402, and also includes a stop rod 602 installed between the front arm of the traveling wheel U-shaped frame 703 and the front side wall of the counting wheel U-shaped frame 704 and capable of pressing against the limiting rod 601. The stop rod 602 is used to keep the limiting rod 601 in a vertical state. When the limiting rod 601 is in a vertical state, the pressure wheel 108 presses against the lower side of the power transmission line.

[0058] A limiting cavity is formed inside the front arm of the U-shaped frame 703 of the traveling wheel. One end of the limiting rod 601 is connected to the rotating shaft 402, and the other end can rotate into the limiting cavity under the action of the rotating shaft 402. One end of the abutment rod 602 is rotatably connected to the front side wall of the counting wheel U-shaped frame 704, and the other end can extend into the limiting cavity to limit the limiting rod 601 in a vertical state. The end of the limiting rod 601 away from the rotating shaft 402 is provided with a first inclined surface 603. The end of the abutment rod 602 facing the limiting rod 601 can rotate upward and includes a vertically arranged pressing surface 604 and a second inclined surface 605 provided on the lower side of the abutment rod 602 and capable of cooperating with the first inclined surface 603. During the rotation of the limiting rod 601 with the rotating shaft 402, the end of the limiting rod 601 can pass over the end of the abutment rod 602 so that the pressing surface 604 abuts against the side of the limiting rod 601.

[0059] The lower end face of the front arm of the U-shaped frame 703 of the walking wheel is provided with an L-shaped opening 718 that communicates with the limiting cavity. The end of the limiting rod 601 can rotate into the limiting cavity through the L-shaped opening 718. The end face of the front arm of the U-shaped frame 703 of the walking wheel facing the counting wheel U-shaped frame 704 is provided with a vertical elongated hole 719 that communicates with the limiting cavity. The end of the abutment rod 602 can slide up and down in the vertical elongated hole 719. When the abutment rod 602 is in a horizontal state, the end of it overlaps the bottom wall of the vertical elongated hole 719.

[0060] The front arm of the U-shaped frame 703 for the traveling wheels provides limitation and guidance for the movement of the limiting rod 601 and the abutment rod, ensuring that they can move relative to each other and eventually reach the mutually limiting position, and remain in that position. Simultaneously, placing the ends of the limiting rod 601 and the abutment rod 602 inside the front arm also keeps the front side of the frame flat, ensuring the overall aesthetics of the front side of the frame.

[0061] During operation, after the trolley frame 1 is mounted on the power transmission line, the staff first moves the lever 5. The lever 5 rotates and drives the rotating shaft 402 to rotate. The rotation of the rotating shaft 402 will drive the drive plate 406 on it to rotate. The rotation of the drive plate 406 will actuate the torsion spring 403, so that the torsion spring acts on the frame 401, realizing that the frame 401 rotates from the initial horizontal state around the rotating shaft 402 to the vertical state. The pressing wheel 108 on the frame 401 presses against the lower side of the power transmission line. As the rotating shaft 402 rotates, the limiting rod 601 connected to it also rotates with the rotating shaft 402. Its end rotates into the limiting cavity through the L-shaped opening 718. As the limiting rod 601 moves, its first inclined surface 603 abuts against the second inclined surface 605 of the abutment rod 602 and pushes the second inclined surface 605 upward. At this time, the end of the abutment rod 602 moves upward at the vertical elongated hole 719. As the limiting rod 601 rotates further, the first inclined surface 603 eventually passes over the end of the abutment rod 602. At this time, the end of the abutment rod 602 falls back to the bottom surface of the vertical elongated hole 719 under the action of gravity, keeping the abutment rod 602 in a horizontal state. The side of the limiting rod 601 abuts against the pressing surface 604 of the abutment rod 602. Under the action of the abutment rod 602, the limiting rod 601 is kept in this vertical state, the rotating shaft 402 cannot rotate, and the pressure wheel 108 is always pressed against the power transmission line.

[0062] In addition, the two ends of the stop rod 602 extend to the front side wall of the counting wheel U-shaped frame 704 and the front side wall of the traveling wheel U-shaped frame 703, respectively. The middle part is exposed. When it is necessary to remove the trolley from the power line, the staff only needs to pull the middle part of the stop rod 602 upward to release the stop rod 602 from limiting the limit rod 601. At this time, the frame 401, the limit rod 601, etc. will automatically fall back to the initial state under the action of gravity. The operation is relatively simple and convenient. No extra action is required for loading or unloading. This single-action loading method is well applicable to high-altitude operations.

[0063] In this embodiment, a collision protection component 2 is provided at the front end face of the frame body 101 along the forward direction of the vehicle. The collision protection component 2 includes a proximity switch 201 installed on the front end face and electrically connected to the main control panel 110, and a movable plate 202 that can rotate and triggers the proximity switch 201 under rotation. A collision protection rod 203 is installed on the movable plate 202 that can drive the movable plate 202 to rotate under the action of external force. The collision protection rod 203 is located in front of the front end face.

[0064] The front end face includes a front upper surface 112, a front lower surface 113, and a wire passage hole 114 located between the front upper surface 112 and the front lower surface 113. The upper and lower ends of the anti-collision bar 203 are respectively bent into an upper U-shaped bar portion 204 and a lower U-shaped bar portion 205. A vertical bar 206 is connected between the upper U-shaped bar portion 204 and the lower U-shaped bar portion 205 and is located at the wall of the wire passage hole 114. The upper U-shaped bar portion 204 is located at the front upper surface 112, and the lower U-shaped bar portion 205 is located at the front lower surface 113.

[0065] Two anti-collision bar mounting seats 207 are provided on the front end 112. The upper U-shaped bar part 204 includes an upper horizontal bar 208 and a lower horizontal bar 209 arranged in parallel and distributed vertically. The upper end of the movable plate 202 passes through the upper horizontal bar 208, and the lower end is provided with a snap-fit ​​groove 210 for the lower horizontal bar 209 to be snapped into. The two ends of the upper horizontal bar 208 are rotatably connected to the two anti-collision bar mounting seats 207 respectively. The movable plate 202 is also provided with a trigger part 211 that can trigger the proximity switch 201 when the movable plate 202 rotates. The end of the lower crossbar 209 presses against the end face of the trigger part 211 that is away from the proximity switch 201.

[0066] The structure and installation position of the anti-collision bar 203 ensure that when the trolley reaches the power line connection point, the anti-collision bar 203 first contacts the corresponding metal connection equipment at the end of the conductor, preventing the metal equipment from directly impacting the trolley body and thus providing anti-collision protection for the trolley. At the same time, when the anti-collision bar 203 is hit, it will squeeze the movable plate 202, causing the movable plate 202 to rotate towards the front end. This will cause the trigger part 211 to contact the proximity switch 201, generating a corresponding control signal. Based on this control signal, the main control panel 110 controls the walking wheel drive motor 106 to stop, preventing the walking wheel 102 from continuing to rotate after the trolley has traveled to the guide end, thus avoiding the risk of the trolley falling off the conductor.

[0067] In addition, in order to realize the installation and adjustment of the movable plate 202, the upper and lower ends of the movable plate 202 are respectively provided with support bolts and support elastic members (not shown in the figure) that can be supported on the front end face. The support bolts pass through the movable plate 202 and are threaded onto the movable plate 202. The support elastic members are installed on the plate surface of the movable plate 202 facing the front end face. The upper end of the movable plate 202 is provided with bolt holes 212, and the back is provided with grooves 213 for installing the support elastic members. The support elastic members are connected to the groove at one end and abut against the support spring on the front end face at the other end.

[0068] The support bolts enable adjustment of the rotation angle of the movable plate 202 and the clamping force of the support spring. Adjustment is achieved by adjusting the degree of screwing in the support bolts to adjust the distance between the upper end of the movable plate 202 and the front end face. The greater the distance between the upper end of the movable plate 202 and the front end face, the stronger the compression of the support spring at its lower end. Initially, the movable plate 202 needs to be tilted to prevent the trigger 211 from contacting the proximity switch 201. When the anti-collision bar 203 is subjected to external force, the anti-collision bar 203 is squeezed and the force is transmitted to the movable plate 202, causing the lower end of the movable plate 202 to overcome the elastic force of the support spring and rotate toward the front end. During this process, the trolley can also play a certain role in buffering the force. Then the trigger 211 contacts the proximity switch 201 to realize the subsequent control of the trolley to stop moving.

[0069] Example 2 This embodiment provides an auxiliary installation method for high-voltage transmission line spacers, which is based on the high-voltage transmission line spacer auxiliary installation trolley in Embodiment 1, and specifically includes the following steps: Step S1: Install the trolley onto one of the power lines, ensuring that the power line is in close contact with the counting wheel 103; Step S2: Preset the trolley travel length based on the required distance for installing the spacers; Step S3: After the trolley travels on the power line, the counting wheel 103 acquires the trolley's travel distance signal; Step S4: The trolley stops moving at a preset trolley travel length position based on the acquired trolley travel distance signal, and the positioning laser module 104 emits surface laser to all power transmission lines; Step S5: Based on the area laser emitted by the positioning laser module 104, the staff installs spacers between the power transmission lines. Step S6: After the spacer is installed, the trolley continues to move to the next spacer installation position based on steps S2-S5 to install the next spacer.

[0070] Step S7: After all the spacers on the transmission line are installed, the trolley travels to the end of the transmission line. The anti-collision bar 203 first touches the metal equipment at the end of the transmission line, triggering the proximity switch 201 to send a control signal. The main control panel 110 controls the trolley to stop traveling based on the control signal, and the construction personnel remove the trolley from the end of the transmission line. Step S8: Continue installing the corresponding spacer bars for the next transmission line.

[0071] It is readily understood that those skilled in the art can combine, split, or reorganize the embodiments provided in this application to obtain other embodiments, none of which exceed the protection scope of this application.

[0072] In summary, the above description is only a preferred embodiment of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the present invention.

Claims

1. A high-voltage transmission line spacer auxiliary installation trolley, comprising a trolley frame (1), characterized in that: The trolley frame (1) comprises a frame body (101), and both ends of the frame body (101) along the trolley walking direction are respectively provided with a walking wheel (102) for driving the trolley to walk and a counting wheel (103) for recording the walking distance of the trolley; The rear end surface of the frame body (101) along the trolley walking direction is further provided with a positioning laser module (104) for positioning the installation position of the spacer on the plurality of power transmission lines.

2. The high voltage transmission line spacer auxiliary installation trolley according to claim 1, characterized in that: The frame body (101) comprises a vertically arranged main mounting plate (105), one side of the main mounting plate (105) is provided with an upper assembly of the frame, the walking wheel (102) and the counting wheel (103) are both mounted on the upper assembly of the frame, and the upper assembly of the frame is further provided with a walking wheel driving motor (106) connected with the walking wheel (102) and an encoder (107) connected with the counting wheel (103).

3. The high voltage transmission line spacer auxiliary installation trolley according to claim 2, characterized in that: The main mounting plate (105) is further provided with a lower assembly of the frame distributed below the upper assembly of the frame, and a U-shaped wire inlet cavity (111) with an opening facing away from the main mounting plate (105) is formed between the upper assembly of the frame and the lower assembly of the frame; the lower assembly of the frame is provided with a wire pressing wheel (108) and a power supply battery (109) respectively corresponding to the walking wheel (102) and the counting wheel (103); the walking wheel (102) and the counting wheel (103) are both located at the upper side of the power transmission line, the wire pressing wheel (108) can be pressed on the lower side of the power transmission line, and the wire pressing wheel (108) is located behind the walking wheel (102) in the walking advancing direction when the wire pressing wheel (108) is pressed on the lower side of the power transmission line.

4. The high voltage transmission line spacer auxiliary installation trolley of claim 2, wherein: The upper assembly of the frame is further provided with a main control panel (110) electrically connected with the positioning laser module (104), the walking wheel driving motor (106), the encoder (107) and the power supply battery (109).

5. The high voltage transmission line spacer auxiliary installation trolley according to claim 4, characterized in that: The positioning laser module (104) is a 360° annular linear laser module.

6. The high voltage transmission line spacer auxiliary installation trolley of claim 1, wherein: The front end surface of the frame body (101) along the trolley walking direction is further provided with a collision avoidance assembly (2), the collision avoidance assembly (2) comprises a proximity switch (201) mounted on the front end surface and electrically connected with the main control panel (110), and a movable plate (202) capable of rotating and triggering the proximity switch (201) under the action of rotation, the movable plate (202) is provided with a collision avoidance rod (203) capable of driving the movable plate (202) to rotate under the action of external force, and the collision avoidance rod (203) is arranged in front of the front end surface.

7. The high voltage transmission line spacer auxiliary installation trolley according to claim 6, characterized in that: The front end surface comprises a front end upper surface (112), a front end lower surface (113) and a wire passing hole (114) located between the front end upper surface (112) and the front end lower surface (113), The upper and lower ends of the collision avoidance rod (203) are respectively bent with an upper U-shaped rod portion (204) and a lower U-shaped rod portion (205), a vertical rod (206) is connected between the upper U-shaped rod portion (204) and the lower U-shaped rod portion (205), the upper U-shaped rod portion (204) is located at the front end upper surface (112), and the lower U-shaped rod portion (205) is located at the front end lower surface (113).

8. The high voltage transmission line spacer auxiliary installation trolley according to claim 7, characterized in that: Two anti-collision rod mounting seats (207) are arranged on the front end upper surface (112), the upper U-shaped rod part (204) comprises upper and lower horizontally arranged upper and lower horizontal rods (208, 209), the upper end of the movable plate (202) is arranged on the upper horizontal rod (208), the lower end is provided with a clamping groove (210) for clamping the lower horizontal rod (209), and the two ends of the upper horizontal rod (208) are rotatably connected to the two anti-collision rod mounting seats (207); The movable plate (202) is further provided with a trigger part (211) capable of triggering the proximity switch (201) under the action of the rotation of the movable plate (202), and the end of the lower horizontal rod (209) is pressed against the end face of the trigger part (211) away from the proximity switch (201).

9. A high voltage transmission line spacer auxiliary installation trolley according to claim 8, characterized by: The upper and lower ends of the movable plate (202) are respectively provided with a support bolt and a support elastic element capable of being supported on the front end surface, the support bolt passes through the movable plate (202) and is threadedly connected to the movable plate (202), and the support elastic element is mounted on the plate surface of the movable plate (202) facing the front end surface.

10. A method of auxiliary installation of a spacer for a high voltage transmission line, characterized in that, It is realized based on the auxiliary installation trolley for the spacer of the high-voltage transmission line according to any one of claims 1-9, and specifically comprises the following steps: Step S1, install the trolley on one of the transmission lines to ensure that the transmission line is in close contact with the counting wheel (103); Step S2, preset the trolley running length based on the required distance for installing the spacer; Step S3, the counting wheel (103) obtains the trolley running distance signal after the trolley runs on the transmission line; Step S4, the trolley stops running at the preset trolley running length position based on the obtained trolley running distance signal, and the positioning laser module (104) emits surface laser to all transmission lines; Step S5, the staff installs the spacer between the transmission lines based on the surface laser emitted by the positioning laser module (104); Step S6, after the spacer is installed, the trolley continues to run to the next spacer installation position based on steps S2-S5 to install the next spacer.

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