An eight-bundle cable spacer for extra-high voltage transmission line

Abstract

The application discloses an eight-bundle cable spacer for extra-high voltage transmission lines and particularly relates to the field of spacers, which comprises a spacer frame body, a structure reinforcing part is fixedly connected to the inner side of the spacer frame body, a hoisting assembly is arranged on the top of the spacer frame body, a distance measuring assembly is arranged on one side of the hoisting assembly, stringing assemblies are arranged on the two sides of the spacer frame body, the hoisting assembly comprises a fixed plug which is inserted into the top of the spacer frame body, and a cross-shaped lifting tool is sleeved with the outer side of the fixed plug. The hoisting assembly is connected with the spacer through the arrangement of the hoisting assembly, the spacer is fixed through the cable, the safety of carrying the spacer is improved, the physical strength of the installation personnel is saved, the whole hoisting assembly is small and convenient for production, the use cost is low, the connection between the hoisting assembly and the spacer and the cable is simple and fast, the installation personnel is convenient for operation and use, the existing spacer is slightly changed, and the application can be popularized and applied in a wide range.

Description

Technical Field

[0001] This invention relates to the field of spacer technology, and more specifically, to a spacer for an eight-split cable of an ultra-high voltage transmission line. Background Technology

[0002] Spacer bars are hardware installed on split conductors to fix the spacing between the split conductors, preventing them from whipping each other and suppressing aerobatic vibrations and secondary span oscillations. Spacer bars are available for two-, four-, six-, and eight-split conductors. The vibration amplitude of a split conductor with spacer bars is reduced by a factor of two depending on the number of splits. When installing spacer bars manually, they are often transported to the cable at high altitudes by hand. Although there are devices for aerial transport of spacer bars, these devices are expensive, bulky, and require multiple operators, making them inconvenient and unable to meet practical needs, thus limiting their widespread adoption. Therefore, currently, spacer bars are still mostly carried on the back or hoisted onto the cable during manual installation. This method of carrying spacer bars is dangerous, inconvenient to handle, and allows for a limited number of spacer bars to be carried at a time, which cannot meet current installation requirements.

[0003] According to Chinese Publication No. CN116646888B, a spacer bar includes: a support frame with multiple conduits arranged in a circumferential array, the axis of the conduits being aligned with the normal direction of the support frame, and a connecting rod passing through each conduit, with a gap between the connecting rod and the side wall of the conduit along the circumferential direction; the connecting rod and locking block have a larger range of motion to adapt to the position of the cable, reducing the process of manually pulling the cable, lowering the assembly difficulty, and avoiding the inconvenience caused by high-altitude operations. Using a retraction tool, the connecting rod can be easily pulled back to the rear end of the conduit via a pin, achieving rapid positioning and fixing, and shortening the installation time of the spacer bar.

[0004] The aforementioned applications can reduce the assembly difficulty and shorten the installation time of spacers, but they are inconvenient to carry and cannot meet the current requirements for spacer installation. Therefore, in order to address this problem, this application provides a spacer for an eight-split cable of an ultra-high voltage transmission line to meet the requirements. Summary of the Invention

[0005] To overcome the aforementioned deficiencies of the prior art, embodiments of the present invention provide an eight-split cable spacer for ultra-high voltage transmission lines. By setting up a hoisting assembly and a series connection assembly, multiple spacers are interconnected and hoisted onto the cable, thereby facilitating carrying and handling and solving the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A spacer bar for an eight-split cable of an ultra-high voltage transmission line includes a spacer bar frame. A structural reinforcement is fixedly connected to the inner side of the spacer bar frame. A hoisting assembly is installed at the top of the spacer bar frame. A distance measuring component is installed on one side of the hoisting assembly. Series assemblies are installed on both sides of the spacer bar frame. The hoisting assembly includes a fixing insert inserted into the top of the spacer bar frame. A cross-shaped lifting device is sleeved on the outer side of the fixing insert. Anti-sway bars are fixedly connected to both ends of the cross-shaped lifting device. The anti-sway bars are arranged in abutment with the spacer bar frame. A locking sliding component is fixedly connected to the top of the cross-shaped lifting device. Two sliding wheels are rotatably connected to the inner wall of the locking sliding component. Multiple positioning holes are opened on both sides of the two sliding wheels. A side plate is fixedly connected to one side of the locking sliding component. Limiting frames are fixedly connected to both sides of the side plate. A traction frame is slidably connected to the outer side of the limiting frame. A limiting post is fixedly connected to one end of the traction frame.

[0008] In a preferred embodiment, a first spring sheet is fixedly connected to both sides of the side plate, and the limiting post is slidably connected to the inner side of the first spring sheet. Two positioning pins are fixedly connected to the inner side of the first spring sheet.

[0009] In a preferred embodiment, one end of the traction frame is fitted with a pull ring, and a traction rope is fixedly connected to the outside of the pull ring.

[0010] In a preferred embodiment, the measuring assembly includes a reel rotatably connected to one side of the engaging sliding member, a measuring belt wound around the outer side of the reel, a fastening bolt slidably connected to the inner side of the reel, a pressure roller fixedly connected to the outer side of the fastening bolt, the pressure roller slidably connected to the inner side of the reel, and a nut threadedly connected to one end of the fastening bolt.

[0011] In a preferred embodiment, one end of the measuring belt is fixedly connected to a drag rope, one end of the drag rope is fixedly connected to a fixing pin, and a first clip is slidably connected to the outside of the fixing pin.

[0012] In a preferred embodiment, a second sleeve is hinged to one side of the first sleeve, and the fixing pin is inserted into the top of the second sleeve. Both the first sleeve and the second sleeve are provided with rubber sleeves on their inner sides.

[0013] In a preferred embodiment, one end of the fixing plug is hinged with an anti-detachment pin, and a second spring is fixedly connected to the inner side of the anti-detachment pin, the second spring being fixedly connected inside the fixing plug.

[0014] In a preferred embodiment, the cascading assembly includes a side sleeve fixedly connected to one side of the structural reinforcement, and a side insert plate fixedly connected to the side of the structural reinforcement away from the side sleeve.

[0015] In a preferred embodiment, a main sleeve is fixedly connected to one side of the spacer frame, a main insert plate is fixedly connected to the side of the spacer frame away from the main sleeve, a connecting plug is slidably connected inside the main sleeve, the connecting plug is slidably connected inside the main insert plate, a third spring is fixedly connected to the bottom of the connecting plug, and the third spring is fixedly connected to the inner side of the structural reinforcement.

[0016] The technical effects and advantages of this invention are as follows:

[0017] 1. This invention, by setting up a hoisting assembly and connecting it with a spacer, allows the spacer to be hoisted on the outside of the cable and moved by sliding, thus facilitating the transfer and transportation of the spacer by installers. The spacer is fixed by the cable, which can prevent it from falling, improve the safety of carrying the spacer, and save the physical strength of the installers. The hoisting assembly is small in size, easy to manufacture, and has low operating costs. The connection between the hoisting assembly, the spacer, and the cable is simple and quick, making it easy for installers to operate. The detachable design of the hoisting assembly and the spacer allows the hoisting assembly to be reused, thereby further reducing the operating costs. At the same time, it requires minimal modification to the existing spacer, thus facilitating its widespread application.

[0018] 2. This invention, by setting a distance measuring component, after the installation of one spacer is completed, closes the first and second clips and places them on the outside of the cable on one side of the current spacer, and unwinds the measuring tape to a length that matches the distance between the two spacers. At this time, the locking sliding component is pulled to move it, causing the measuring tape to gradually tighten. After the measuring tape is fully tightened, the position of the locking sliding component is the installation position of the other spacer. After removing the first and second clips, the other spacer can be installed. This facilitates the determination of the spacer installation position and assists the installer in installing the spacers.

[0019] 3. This invention, by setting up a series connection component, completes the installation of the hoisting component when carrying a large number of spacers. Then, the side plate on another spacer is inserted into the inner side of the side sleeve of the spacer with the hoisting component installed, and the other spacer is connected in the same way. This allows multiple spacers to be interconnected, and multiple spacers can be carried and transported by the hoisting component. This can meet the actual needs of carrying multiple spacers during installation, and the spacers are easy to pick up. At the same time, the connecting plug can protect the spacers when picking them up, avoiding the risk of falling due to removing too many spacers at once. Attached Figure Description

[0020] Figure 1A three-dimensional structural diagram of the spacer bar of an eight-split cable in an ultra-high voltage transmission line;

[0021] Figure 2 This is a three-dimensional structural diagram of the hoisting components;

[0022] Figure 3 This is a schematic diagram of the three-dimensional structure of the distance measuring component;

[0023] Figure 4 This is a partial structural cross-sectional view of the fixed plug-in;

[0024] Figure 5 A partial top view of the eight-split cable spacer of an ultra-high voltage transmission line;

[0025] Figure 6 This is a side structural cross-sectional view of the spacer bar of an eight-split cable in an ultra-high voltage transmission line.

[0026] Figure 7 for Figure 6 Enlarged view of the A-section structure;

[0027] Figure 8 This is a structural diagram showing the interconnection of multiple sets of structural reinforcement components.

[0028] The attached diagram is labeled as follows: 1. Spacer frame; 2. Structural reinforcement; 3. Fixing insert; 4. Cross hanger; 5. Engaging sliding component; 6. Sliding wheel; 7. Side plate; 8. Limiting frame plate; 9. Pulling frame; 10. Limiting post; 11. First spring; 12. Positioning insert; 13. Pull ring; 14. Pull rope; 15. Winding wheel; 16. Measuring belt; 17. Fastening bolt; 18. Pressure roller; 19. Nut; 20. Drag rope; 21. Fixing pin; 22. First sleeve; 23. Second sleeve; 24. Rubber sleeve; 25. Anti-detachment pin; 26. Second spring; 27. Side sleeve shell; 28. Side insert plate; 29. ​​Main sleeve shell; 30. Main insert plate; 31. Connecting insert; 32. Third spring; 33. Anti-sway bar. Detailed Implementation

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] Refer to the instruction manual appendix Figures 1-8As shown in the figure, an eight-split cable spacer for ultra-high voltage transmission lines according to an embodiment of the present invention includes a spacer frame 1, a structural reinforcement 2 fixedly connected to the inner side of the spacer frame 1, a hoisting assembly provided on the top of the spacer frame 1, a distance measuring assembly provided on one side of the hoisting assembly, and a series connection assembly provided on both sides of the spacer frame 1.

[0031] The hoisting assembly includes a fixing plug 3 inserted into the top of the spacer frame 1. A cross-shaped lifting device 4 is sleeved on the outside of the fixing plug 3. Anti-sway rods 33 are fixedly connected to both ends of the cross-shaped lifting device 4. The anti-sway rods 33 are set in an abutting position with the spacer frame 1. The anti-sway rods 33 on both sides can keep the spacer frame 1 and the cross-shaped lifting device 4 in a fixed state, avoiding swaying between the spacer frame 1 and the cross-shaped lifting device 4, which would cause the spacer to sway significantly and reduce stability during hoisting. A locking sliding device 5 is fixedly connected to the top of the cross-shaped lifting device 4. A notch is opened on one side of the locking sliding device 5 for cable entry. Two sliding wheels 6 are rotatably connected to the inner wall of the locking sliding device 5. The outer side of the sliding wheels 6 is provided with anti-slip texture. Multiple positioning holes are opened on both sides of the two sliding wheels 6. Two through holes are opened on one side of the locking sliding device 5, which coincide with the positioning holes on one side of the two sliding wheels 6.

[0032] A side plate 7 is fixedly connected to one side of the sliding component 5. Limiting bracket plates 8 are fixedly connected to both sides of the side plate 7. A traction frame 9 is slidably connected to the outer side of the limiting bracket plate 8. A limiting post 10 is fixedly connected to one end of the traction frame 9. The limiting post 10 has a cylindrical profile. A first spring piece 11 is fixedly connected to both sides of the side plate 7. The first spring piece 11 has an elastic structure. The connection end between the first spring piece 11 and the side plate 7 can undergo elastic deformation. The limiting post 10 is slidably connected to the inner side of the first spring piece 11. Two positioning pins 12 are fixedly connected to the inner side of the first spring piece 11. A pull ring 13 is sleeved on one end of the traction frame 9. A traction rope 14 is fixedly connected to the outer side of the pull ring 13. An anti-detachment pin 25 is hinged to one end of the fixing plug 3. A second spring piece 26 is fixedly connected to the inner side of the anti-detachment pin 25. The second spring piece 26 has an elastic structure and is fixedly connected inside the fixing plug 3.

[0033] It should be noted that, during the transport of the spacer, the cross-shaped lifting device 4 is placed inside the top of the spacer frame 1, and the fixing plug 3 passes through both the spacer frame 1 and the fixing plug 3 simultaneously, thereby connecting the lifting assembly to the spacer frame 1. Simultaneously, under the tension of the second spring 26, the anti-detachment pin 25 slides out from inside the fixing plug 3, thus preventing the fixing plug 3 from falling off from inside the spacer frame 1. When carrying the spacer with the lifting assembly to the high-altitude cable location, the cable can be inserted into the inside of the locking sliding member 5 through the notch on one side, allowing the locking sliding member 5 to be hung on the outside of the cable, thus achieving the lifting of the spacer. At this time, the lifting is achieved through electricity... The cable secures the spacer, preventing it from falling and improving safety during transport. It also saves installation personnel's effort. The lifting assembly is small and easy to manufacture, resulting in lower operating costs. Connections to the spacer and cable are simple and quick, facilitating operation. The detachable design of the lifting assembly and spacer allows for reuse, further reducing costs. Connecting the lifting assembly to the spacer requires only drilling holes at the corresponding locations on the spacer. This design allows connection to any type of spacer with minimal modification to existing spacers, facilitating widespread application.

[0034] Simultaneously, when transferring the spacer on the high-altitude cable, since the two sliding wheels 6 on the inner side of the engaging sliding member 5 are in direct contact with the cable, by pulling the pull rope 14, the pull ring 13 drives the pull frame 9 to slide on the outside of the limiting frame plate 8, and at the same time, the pull frame 9 drives the limiting post 10 to slide on the outside of the first spring piece 11, thereby squeezing the first spring piece 11 through the limiting post 10, causing the first spring piece 11 to deform and shrink, thereby causing the positioning insert 12 to disengage from the positioning hole of the sliding wheel 6. At the same time, the pull frame 9 slides to its farthest distance and is blocked by the limiting frame plate 8. At this time, the engaging sliding member 5 can be pulled to move, and the sliding wheel 6 can rotate at the same time. Rotation allows the locking sliding component 5 to slide on the outside of the cable. This sliding movement reduces friction and wear between the hoisting components and the cable, and facilitates easy movement, making it convenient for installers to transfer and transport a large number of spacers. When the locking sliding component 5 stops sliding, the first spring plate 11 will elastically stretch, allowing multiple positioning pins 12 on both sides to insert into the positioning holes of the two sliding wheels 6 through the through holes of the locking sliding component 5. This stops the rotation of the sliding wheels 6, preventing the spacers from being affected by high-altitude winds and causing the locking sliding component 5 to lose control and shift. At the same time, the anti-slip texture on the outside of the sliding wheels 6 further reduces the possibility of slippage, thereby improving the safety of carrying and transporting the spacers.

[0035] Furthermore, the measuring assembly includes a reel 15 rotatably connected to one side of the locking sliding member 5. A measuring belt 16 is wound around the outer side of the reel 15. The measuring belt 16 is a flexible measuring tape made of high-strength material with graduations on its surface. A fastening bolt 17 is slidably connected to the inner side of the reel 15. A pressure roller 18 is fixedly connected to the outer side of the fastening bolt 17. The pressure roller 18 is slidably connected to the inner side of the reel 15. A nut 19 is threadedly connected to one end of the fastening bolt 17. One end of the measuring belt 16 is fixedly connected to... A towing rope 20 is attached, and a fixing pin 21 is fixedly connected to one end of the towing rope 20. A first sleeve 22 is slidably connected to the outside of the fixing pin 21. The fixing pin 21 cannot be disengaged from the inside of the first sleeve 22. A second sleeve 23 is hinged to one side of the first sleeve 22. The fixing pin 21 is inserted into the top of the second sleeve 23. A rubber sleeve 24 is provided on the inside of both the first sleeve 22 and the second sleeve 23. A spring is provided between the rubber sleeve 24 and the first sleeve 22 and the second sleeve 23.

[0036] It should be noted that, after the installation of a spacer is completed, the first sleeve 22 and the second sleeve 23 are closed and placed on the outside of the cable on one side of the current spacer. When the first sleeve 22 and the second sleeve 23 are closed, the spring between the rubber sleeve 24 and the first sleeve 22 and the second sleeve 23 will be compressed. The elastic force of the spring will improve the stability between the rubber sleeve 24 and the cable, and the fixing pin 21 will be inserted into the inside of the second sleeve 23 to complete the fixing of the cable by the first sleeve 22 and the second sleeve 23. At the same time, the elastic force of the spring will be applied to the fixing pin 21 and the second sleeve 23, increasing the friction between the fixing pin 21 and the second sleeve 23.

[0037] Simultaneously, the measuring belt 16 is unwound by rotating the winding wheel 15 until its unwound length matches the length distance between the two spacers. At this point, the pressure roller 18 is installed inside the winding wheel 15 using the fastening bolts 17 and nuts 19, ensuring that the pressure roller 18 is in close contact with the measuring belt 16 outside the winding wheel 15. This pressure roller 18 limits the unwound length of the measuring belt 16, preventing further unwinding and thus fixing its length. At this point, the locking slide 5 can be pulled to move the other spacer frame 1. As the locking slide 5 moves, the measuring belt 16 gradually tightens. After 16 is fully tightened, the position of the locking sliding component 5 is the installation position of another spacer. By continuously applying tension to the locking sliding component 5, the towing rope 20 pulls the fixing pin 21 until the fixing pin 21 disengages from the inside of the second sleeve 23, thereby causing the first sleeve 22 to separate from the second sleeve 23 and fall off from the outside of the cable. At this time, after the first sleeve 22 is collected by retracting the measuring tape 16, the spacer can be installed. After the current spacer is installed, the above steps can be repeated to determine the installation position of the remaining spacers, which facilitates the determination of the spacer installation position and assists the installers in installing the spacers.

[0038] Furthermore, the cascading assembly includes a side sleeve 27 fixedly connected to one side of the structural reinforcement 2, and a side insert plate 28 fixedly connected to the side of the structural reinforcement 2 away from the side sleeve 27. Two side sleeves 27 and side insert plates 28 are provided, symmetrically distributed. A main sleeve 29 is fixedly connected to one side of the spacer frame 1, and a main insert plate 30 is fixedly connected to the side of the spacer frame 1 away from the main sleeve 29. A connecting insert is slidably connected inside the main sleeve 29. The connector 31 is slidably connected inside the main insert plate 30. The end of the connector 31 near the main housing 29 has an arc-shaped profile, and the end of the connector 31 near the main insert plate 30 has a "T"-shaped profile. The inner wall of the main housing 29 has a slot that matches the "T"-shaped profile end of the connector 31. The bottom of the connector 31 is fixedly connected to a third spring 32, which is an elastic structure and is fixedly connected to the inner side of the structural reinforcement 2.

[0039] It should be noted that when carrying a large number of spacers, after the installation of the hoisting assembly is completed, the side plate 28 on another spacer is inserted into the inside of the side sleeve 27 on the side of the spacer with the hoisting assembly installed. At the same time, the main plate 30 of the corresponding spacer will be inserted into the inside of the main sleeve 29 of the other spacer. The other spacer is then connected in the same way. It should be noted that the spacer with the hoisting assembly installed should be on the outermost side so that multiple spacers can be connected to each other. This allows multiple spacers to be carried and transported by the hoisting assembly, thus meeting the carrying requirements of multiple spacers during actual installation.

[0040] Simultaneously, when a main insert plate 30 is inserted into the inner side of a main housing 29, the main insert plate 30 will simultaneously contact the arc-shaped contour end of the connecting plug 31 inside the main housing 29, and limit and push the connecting plug 31, causing the connecting plug 31 to slide inside the main housing 29 and the main insert plate 30, and causing the "T"-shaped contour end of the connecting plug 31 to slide out from the inside of the main insert plate 30. If only two spacers are connected, the above process will not cause any interference between the connected spacers. When the number of interconnected spacers reaches three or more, such as Figure 8 As shown, the spacer bar in the middle is the structural reinforcement 2 in the middle. The connecting plug 31 of the middle structural reinforcement 2 will be pushed into the slot of the rightmost main sleeve 29 by the limiting push of the main plug plate 30 on the left, so as to complete the connection between the middle structural reinforcement 2 and the rightmost structural reinforcement 2.

[0041] Furthermore, the rightmost spacer is connected to a lifting assembly. When removing the spacer, by lifting the leftmost spacer, since the connecting insert 31 inside the leftmost spacer is not limited to extend out, the leftmost spacer is only connected to the side sleeve 27 and main sleeve 29 on one side of the middle spacer through the side insert plate 28 and main insert plate 30 on one side. At this time, by lifting it up, it can be separated, and the leftmost spacer can be removed. This setting ensures that only the outermost spacer can be removed when taking out the spacers, avoiding... To prevent the other spacers from being removed together and thus risking them falling, and to ensure safety when removing multiple interconnected spacers, the connecting plug 31 on the adjacent side loses its limiting position and resets under the elastic deformation of the third spring 32, thereby losing its limiting position and being able to be lifted up. This ensures that only one spacer can be picked up at a time when picking up multiple interconnected spacers, and the simple lifting method makes it easy for installers to pick up the spacers.

[0042] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0043] Secondly: The accompanying drawings of the embodiments disclosed in this invention only involve the structures involved in the embodiments disclosed in this invention. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this invention can be combined with each other.

[0044] In conclusion, the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A spacer bar for an eight-split cable of an ultra-high voltage transmission line, comprising a spacer bar frame (1), characterized in that: The inner side of the spacer frame (1) is fixedly connected with a structural reinforcement (2), the top of the spacer frame (1) is provided with a hoisting assembly, one side of the hoisting assembly is provided with a distance measuring assembly, and the two sides of the spacer frame (1) are provided with a series connection assembly. The hoisting assembly includes a fixing plug (3) inserted into the top of the spacer frame (1), a cross-shaped lifting device (4) sleeved on the outside of the fixing plug (3), anti-sway rods (33) fixedly connected to both ends of the cross-shaped lifting device (4), the anti-sway rods (33) being arranged in abutment with the spacer frame (1), a locking sliding component (5) fixedly connected to the top of the cross-shaped lifting device (4), two sliding wheels (6) being rotatably connected to the inner wall of the locking sliding component (5), multiple positioning holes being opened on both sides of the two sliding wheels (6), a side plate (7) fixedly connected to one side of the locking sliding component (5), a limit frame plate (8) fixedly connected to both sides of the side plate (7), a traction frame (9) being slidably connected to the outside of the limit frame plate (8), and a limit post (10) fixedly connected to one end of the traction frame (9). The serial assembly includes a side sleeve (27) fixedly connected to one side of the structural reinforcement (2), and a side insert plate (28) fixedly connected to the side of the structural reinforcement (2) away from the side sleeve (27). One side of the spacer frame (1) is fixedly connected to the main housing (29), and the side of the spacer frame (1) away from the main housing (29) is fixedly connected to the main insert plate (30). The main housing (29) is slidably connected to the connecting plug (31), which is slidably connected to the inside of the main insert plate (30). The bottom of the connecting plug (31) is fixedly connected to the third spring piece (32), which is fixedly connected to the inside of the structural reinforcement (2).

2. The spacer bar for an eight-split cable of an ultra-high voltage transmission line according to claim 1, characterized in that: Both sides of the side plate (7) are fixedly connected with first spring pieces (11), and the limiting post (10) is slidably connected to the inner side of the first spring piece (11). The inner side of the first spring piece (11) is fixedly connected with two positioning pins (12).

3. The spacer bar for an eight-split cable of an ultra-high voltage transmission line according to claim 1, characterized in that: One end of the traction frame (9) is fitted with a pull ring (13), and a traction rope (14) is fixedly connected to the outside of the pull ring (13).

4. The spacer bar for an eight-split cable of an ultra-high voltage transmission line according to claim 1, characterized in that: The measuring assembly includes a reel (15) rotatably connected to one side of the locking slide member (5), a measuring belt (16) is wound around the outer side of the reel (15), a fastening bolt (17) is slidably connected to the inner side of the reel (15), a pressure roller (18) is fixedly connected to the outer side of the fastening bolt (17), the pressure roller (18) is slidably connected to the inner side of the reel (15), and a nut (19) is threaded to one end of the fastening bolt (17).

5. A spacer bar for an eight-split cable of an ultra-high voltage transmission line according to claim 4, characterized in that: One end of the measuring belt (16) is fixedly connected to a drag rope (20), and one end of the drag rope (20) is fixedly connected to a fixing pin (21). A first sleeve (22) is slidably connected to the outside of the fixing pin (21).

6. A spacer bar for an eight-split cable of an ultra-high voltage transmission line according to claim 5, characterized in that: A second sleeve (23) is hinged to one side of the first sleeve (22), and the fixing pin (21) is inserted into the top of the second sleeve (23). Both the first sleeve (22) and the second sleeve (23) are provided with rubber sleeves (24).

7. A spacer bar for an eight-split cable of an ultra-high voltage transmission line according to claim 1, characterized in that: One end of the fixing plug (3) is hinged with an anti-detachment pin (25), and the inner side of the anti-detachment pin (25) is fixedly connected with a second spring (26), which is fixedly connected inside the fixing plug (3).

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