Double-connected double-hanging-point V-shaped suspension string of disc-shaped suspension insulators and its operation method

Abstract

The application discloses a disc-shaped suspension insulator double connection double hanging point V-shaped suspension string and an operation method, and belongs to the technical field of suspension strings. The disc-shaped suspension insulator double connection double hanging point V-shaped suspension string and the operation method comprise a vertical connecting plate, two ends of the upper portion of the vertical connecting plate are provided with sling shackles, both sides of the vertical connecting plate are provided with hanging ears, the lower portion of the hanging ear is provided with a suspension line clamp, and the upper portion of the sling shackle is provided with a disc-shaped insulator. In order to solve the problem that the suspension insulator string and the connecting plate are fixed by screwing bolts, the whole suspension string is too large to be assembled on the ground, and can only be installed in the air, too many bolt locking operations are time-consuming and laborious, and efficient operation cannot be realized, the traditional bolt anchoring mode is replaced, the vertical connecting plate and the vertical string are assembled on the ground, and then fast installation can be directly performed in the air, additional installation tools do not need to be carried, and the working efficiency is improved while the stability is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of suspension strings, in particular to a disc-shaped suspension insulator double-connected double-hanging-point V-shaped suspension string and an operating method thereof. Background Art

[0002] Chinese patent publication number CN202268217U discloses a suspension insulator string for ±800kV UHV DC lines in the 20mm heavy ice zone. The suspension insulator string is a double-linked double pre-twisted wire V-shaped clamp with a double hanging point design structure. Each side is connected to the tower using an EB-type ear axis hanging plate, which is connected to two matching U-shaped rings. The two ends of the insulator string are connected through a DB-type adjustment plate, a Z-type right-angle hanging plate, an L-type double-link plate, and two QP-type ball head hanging plates. The other end of the insulator string is mainly connected by a bowl head hanging plate through an LJ-type double-link plate, a Z-type right-angle hanging plate, and two sets of suspension connecting plates to complete the six-split wiring. The two sets of suspension connecting plates are then connected to six sets of pre-twisted wire clamps to complete the connection of the entire string.

[0003] In the above patent, the suspension insulator string and the connecting plate are fixed with bolts, but the entire suspension string is too large to be assembled on the ground and can only be installed at high altitudes. Too many bolts are tightened, which is very time-consuming and labor-intensive, and cannot achieve efficient operation. Summary of the Invention

[0004] The object of the present invention is to provide a double-connected, double-hanging-point V-shaped suspension string of disc-shaped suspension insulators and an operating method. Instead of the traditional bolt anchoring method, the vertical connecting plate and the vertical string are assembled on the ground and then quickly installed directly at high altitude without the need to carry additional installation tools. This ensures stability while improving work efficiency, and can solve the problems in the prior art.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a double-connected double-hanging-point V-shaped suspension string of disc-shaped suspension insulators, comprising a vertical connecting plate, sling chain buckles are provided at both ends above the vertical connecting plate, and hanging ears are provided on both sides of the vertical connecting plate, a suspension wire clamp is provided below the hanging ear, a disc-shaped insulator is provided above the sling chain buckle, a cable hanging groove is provided inside the suspension wire clamp, and an integrally formed nut shaft cylinder is provided on both sides of the suspension wire clamp, a U-shaped locking rod is provided inside the nut shaft cylinder, and the U-shaped locking rod extends to the bottom of the nut shaft cylinder, and a transfer hook is provided above the suspension wire clamp, and the suspension wire clamp is connected to the hanging ear through the transfer hook.

[0006] Preferably, a grading ring assembly is provided on the outside of the disc insulator, a through hole is provided on the outer surface of the grading ring assembly, a co-ordination link is provided on the bottom of the grading ring assembly, angle plates are provided between the co-ordination links, and the angle plates are welded to the co-ordination links.

[0007] Preferably, limit hanging plates are provided above both ends of the angle plate, and the disc insulator is rotatably connected to the angle plate through the limit hanging plates. A movable hanging ring is provided at the bottom of the angle plate, and the angle plate is connected to the sling chain buckle through the movable hanging ring.

[0008] Preferably, the sling chain buckle includes a transition ring and a seat buckle, the seat buckle is connected to the hanging ear, the transition ring is connected to the movable hanging ring, a buckle is provided inside the seat buckle, and a pull buckle is provided on one side of the buckle, and the pull buckle and the buckle are rotatably connected to the seat buckle through a connecting shaft.

[0009] Preferably, a hook is provided on the top of the buckle, and the transfer ring is connected to the buckle via the hook. A bite groove is provided on one side of the buckle, and a wedge head is provided on one side of the pull buckle, and the wedge head is engaged with the bite groove.

[0010] Preferably, a hanging ring assembly is provided above the disc-shaped insulator, an insulating top shaft is provided on the top of the disc-shaped insulator, a U-shaped chain ring is provided at one end of the hanging ring assembly, and an adjustment chain ring is provided at the other end of the hanging ring assembly. The hanging ring assembly includes a main chain shaft and an auxiliary chain shaft, and the main chain shaft is rotatably connected to the auxiliary chain shaft.

[0011] Preferably, the main chain shaft is connected to the disc insulator through a U-shaped chain ring, and a fan-shaped cut-off plate is provided at one end of the auxiliary chain shaft, and the fan-shaped cut-off plate is rotatably connected to the auxiliary chain shaft. The outer surface of the fan-shaped cut-off plate is provided with a plurality of holes and grooves, and the adjusting chain ring is connected to the fan-shaped cut-off plate through the holes and grooves.

[0012] A method for operating a double-connected, double-hanging-point V-shaped suspension string of disc-shaped suspension insulators comprises the following steps:

[0013] Step 1: Connect the main chain shaft and the auxiliary chain shaft to the tower structure with the help of the adjusting chain ring. Then adjust the connection angle between the adjusting chain ring and the auxiliary chain shaft according to the spacing between the towers by selecting the connection hole position between the sector plate and the adjusting chain ring.

[0014] Step 2: Then hang the disc insulator below the main chain shaft, and connect the bottom disc insulator to the angle plate at the bottom of the grading ring assembly. After the hanging ring assemblies on both sides are connected to the tower structure;

[0015] Step 3: The adapter ring needs to be connected to the movable hanging ring at the bottom of the angle plate in advance, and the seat buckle is installed on the top of the vertical connecting plate. When assembling, directly connect the seat buckle on the top of the vertical connecting plate with the adapter ring. Finally, install the suspension clamp on both sides of the vertical connecting plate, and the cables pass through the inside of the suspension clamp.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. In the present invention, the adapter ring needs to be connected with the movable hanging ring at the bottom of the angle plate in advance, and the seat buckle is installed on the top of the vertical connecting plate. When assembling, the seat buckle on the top of the vertical connecting plate is directly docked with the adapter ring, the buckle is pressed down to lift the buckle on the other side, and then the adapter ring is snapped into the bite groove at the top of the buckle. After releasing the buckle, the locking operation can be completed. In this way, instead of the traditional bolt anchoring method, the vertical connecting plate and the vertical string can be assembled on the ground and then quickly installed directly at high altitude without carrying additional installation tools, ensuring stability while improving work efficiency.

[0018] 2. The present invention adjusts the connection angle between the adjusting chain link and the auxiliary chain shaft according to the spacing between the towers, and achieves this by selecting the connection hole position between the fan-shaped section plate and the adjusting chain link. This can avoid the disc insulator from swinging violently in crosswind weather conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is the overall front view of the present invention;

[0020] Figure 2 It is an overall side view of the present invention;

[0021] Figure 3 It is a schematic structural diagram of the disc-shaped insulator of the present invention;

[0022] Figure 4 This is a schematic structural diagram of the pressure equalizing ring assembly of the present invention;

[0023] Figure 5 This is a structural diagram of the hanging ring assembly of the present invention;

[0024] Figure 6 It is a schematic diagram of the seat buckle structure of the present invention;

[0025] Figure 7 It is a schematic diagram of the internal structure of the seat buckle of the present invention.

[0026] In the figure: 1. Vertical connecting plate; 2. Suspension wire clamp; 3. Grading ring assembly; 4. Disc insulator; 5. Hanging ring assembly; 101. Hanging ear; 102. Sling chain buckle; 1021. Seat buckle; 1022. Coupling shaft; 1023. Pull buckle; 1024. Adapter lifting ring; 1025. Buckle; 1026. Hook; 1027. Wedge head; 1028. Biting groove; 201. Cable hanging groove; 202. U-shaped locking rod; 203. Adapter hook; 204. Nut shaft; 301. Coordinated connecting rod; 302. Through hole; 303. Angle plate; 3031. Active hanging ring; 3032. Limit hanging plate; 401. Insulating top shaft; 501. Main chain shaft; 502. Auxiliary chain shaft; 503. Fan-shaped section plate; 504. Adjusting chain ring; 505. U-shaped chain ring. DETAILED DESCRIPTION

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] To solve the problem that the suspension insulator string and the connecting plate are fixed with bolts, but the entire suspension string is too large to be assembled on the ground and can only be installed at high altitude, and too many bolts are tightened, which is very time-consuming and labor-intensive, and cannot achieve efficient operation; please refer to Figure 1-7 , this embodiment provides the following technical solutions:

[0029] A disc-shaped suspension insulator double-connected double-hanging-point V-shaped suspension string, comprising a vertical connecting plate 1, sling chain buckles 102 are provided at both ends above the vertical connecting plate 1, hanging ears 101 are provided on both sides of the vertical connecting plate 1, a suspension wire clamp 2 is provided below the hanging ear 101, a disc-shaped insulator 4 is provided above the sling chain buckle 102, a cable hanging groove 201 is provided inside the suspension wire clamp 2, and an integrally formed nut shaft cylinder 204 is provided on both sides of the suspension wire clamp 2, a U-shaped locking rod 202 is provided inside the nut shaft cylinder 204, and the U-shaped locking rod 202 extends to the bottom of the nut shaft cylinder 204. The suspension wire clamp 2 can be installed on both sides of the vertical connecting plate 1. When in use, the cable can be passed through the cable hanging groove 201, and then the U-shaped locking rod 202 can be installed from the top of the cable to the nut shaft cylinder 204. 303, and the sling 102 is connected to the sling 103 by the movable hanging ring 3031;

[0030] In this embodiment, the main chain shaft 501 and the auxiliary chain shaft 502 are connected to the tower structure by means of the adjusting chain ring 504, and the disc insulator 4 is suspended below the main chain shaft 501. The bottom disc insulator 4 is connected to the angle plate 303 at the bottom of the equalizing ring assembly 3. After the hanging ring assemblies 5 on both sides are connected to the tower structure, the adapter ring 1024 needs to be pre-connected with the movable hanging ring 3031 at the bottom of the angle plate 303, and the seat buckle 1021 is installed on the top of the vertical connecting plate 1. When assembling, the seat buckle 1021 at the top of the vertical connecting plate 1 can be directly connected to the adapter ring 1024. Finally, the suspension clamp 2 is installed on both sides of the vertical connecting plate 1, and the cables are inserted through the inside of the suspension clamp 2.

[0031] The sling chain buckle 102 includes a transfer ring 1024 and a seat buckle 1021, the seat buckle 1021 is connected to the hanging ear 101, the transfer ring 1024 is connected to the movable hanging ring 3031, a buckle 1025 is provided inside the seat buckle 1021, a pull buckle 1023 is provided on one side of the buckle 1025, the pull buckle 1023 and the buckle 1025 are rotatably connected to the seat buckle 1021 through a connecting shaft 1022, and a hook 1025 is provided on the top of the buckle 1025. 26. The adapter ring 1024 is connected to the buckle 1025 by a hook 1026. The buckle 1025 on the other side can be opened and closed by swinging the pull buckle 1023 up and down, so that the adapter ring 1024 can be taken and locked inside the seat buckle 1021. A bite groove 1028 is provided on one side of the buckle 1025, and a wedge head 1027 is provided on one side of the pull buckle 1023. The wedge head 1027 is engaged with the bite groove 1028.

[0032] In this embodiment, the adapter ring 1024 needs to be connected to the movable hanging ring 3031 at the bottom of the angle plate 303 in advance, and the seat buckle 1021 is installed on the top of the vertical connecting plate 1. When assembling, the seat buckle 1021 on the top of the vertical connecting plate 1 is directly connected to the adapter ring 1024, and the pull buckle 1023 is pressed downward to lift the buckle 1025 on the other side. Then, the adapter ring 1024 is snapped into the bite groove 1028 at the top of the buckle 1025, and the locking operation can be completed after the pull buckle 1023 is released. In this way, instead of the traditional bolt anchoring method, the vertical connecting plate 1 and the vertical string can be assembled on the ground and then quickly installed directly at high altitude, without the need to carry additional installation tools, which ensures stability while improving work efficiency.

[0033] A hanging ring assembly 5 is provided above the disc-shaped insulator 4, and an insulating top shaft 401 is provided on the top of the disc-shaped insulator 4. A U-shaped chain ring 505 is provided at one end of the hanging ring assembly 5, and an adjusting chain ring 504 is provided at the other end of the hanging ring assembly 5. The hanging ring assembly 5 includes a main chain shaft 501 and an auxiliary chain shaft 502, and the main chain shaft 501 is rotatably connected to the auxiliary chain shaft 502. The main chain shaft 501 and the auxiliary chain shaft 502 can be stretched and adjusted in length through the hole groove structure on their respective surfaces to facilitate adjusting the length of the entire hanging ring assembly 5. The main chain shaft 501 is connected to the disc-shaped insulator 4 through the U-shaped chain ring 505, and a fan-shaped cut plate 503 is provided at one end of the auxiliary chain shaft 502, and the fan-shaped cut plate 503 is rotatably connected to the auxiliary chain shaft 502. The outer surface of the fan-shaped cut plate 503 is provided with a plurality of holes and grooves, and the adjusting chain ring 504 is connected to the fan-shaped cut plate 503 through the hole grooves;

[0034] In this embodiment, the connection angle between the adjusting chain link 504 and the auxiliary chain shaft 502 is adjusted according to the distance between the towers, which is achieved by selecting the connection hole position between the sector plate 503 and the adjusting chain link 504.

[0035] The working principle is to connect the main chain shaft 501 and the auxiliary chain shaft 502 to the tower structure with the help of the adjusting chain ring 504, and then adjust the connection angle of the adjusting chain ring 504 and the auxiliary chain shaft 502 according to the spacing between the towers, which is achieved by selecting the connection hole position between the fan-shaped section plate 503 and the adjusting chain ring 504. Then, the disc insulator 4 is hung below the main chain shaft 501, and the bottom disc insulator 4 is connected to the angle plate 303 at the bottom of the equalizing ring assembly 3. After the hanging ring assemblies 5 on both sides are connected to the tower structure, the adapter ring 1024 needs to be connected to the movable hanging ring 3031 at the bottom of the angle plate 303 in advance, and the seat buckle 1021 is installed on the top of the vertical connecting plate 1. When assembling, directly connect the seat buckle 1021 at the top of the vertical connecting plate 1 with the adapter ring 1024. Finally, the suspension clamp 2 is installed on both sides of the vertical connecting plate 1, and the cable passes through the inside of the suspension clamp 2.

[0036] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0037] While the embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that various changes, modifications, substitutions, and alterations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. A double-connected, double-hanging-point V-shaped suspension string of disc-shaped suspension insulators, comprising a vertical connecting plate (1), characterized in that: Both ends of the vertical connecting plate (1) are provided with sling chain buckles (102), both sides of the vertical connecting plate (1) are provided with hanging ears (101), a suspension clamp (2) is provided below the hanging ears (101), a disc-shaped insulator (4) is provided above the sling chain buckle (102), a cable hanging groove (201) is provided inside the suspension clamp (2), and both sides of the suspension clamp (2) are provided with an integrally formed nut shaft cylinder (204), a U-shaped locking rod (202) is provided inside the nut shaft cylinder (204), and the U-shaped locking rod (202) extends to the nut shaft cylinder (204). The bottom of the suspension clamp (2) is provided with a transfer hook (203) above the suspension clamp (2), and the suspension clamp (2) is connected to the hanging ear (101) through the transfer hook (203). The outer side of the disc-shaped insulator (4) is provided with a grading ring assembly (3), and the outer surface of the grading ring assembly (3) is provided with a through hole (302). The bottom of the grading ring assembly (3) is provided with a co-positioned connecting rod (301), and an angle plate (303) is provided between the co-positioned connecting rods (301). The angle plate (303) is welded to the co-positioned connecting rod (301), and a limited position hook is provided above both ends of the angle plate (303). The plate (3032) is connected to the angle plate (303) by means of a limit hanging plate (3032). The bottom of the angle plate (303) is provided with a movable hanging ring (3031). The angle plate (303) is connected to the sling chain buckle (102) through the movable hanging ring (3031). The sling chain buckle (102) includes a transfer ring (1024) and a seat buckle (1021). The seat buckle (1021) is connected to the hanging ear (101). The transfer ring (1024) is connected to the movable hanging ring (3031). The seat buckle (1021) is provided with a buckle (1024) inside. 25), a pull buckle (1023) is provided on one side of the buckle (1025), the pull buckle (1023) and the buckle (1025) are rotatably connected to the seat buckle (1021) through a connecting shaft (1022), a hook (1026) is provided on the top of the buckle (1025), and the transfer ring (1024) is connected to the buckle (1025) through the hook (1026), a bite groove (1028) is provided on one side of the buckle (1025), and a wedge head (1027) is provided on one side of the pull buckle (1023), and the wedge head (1027) is engaged with the bite groove (1028).

2. The double-connected, double-hanging-point V-shaped suspension string of disc-shaped suspension insulators according to claim 1, characterized in that: A hanging ring assembly (5) is provided above the disc-shaped insulator (4), an insulating top shaft (401) is provided on the top of the disc-shaped insulator (4), a U-shaped chain ring (505) is provided at one end of the hanging ring assembly (5), and an adjusting chain ring (504) is provided at the other end of the hanging ring assembly (5), the hanging ring assembly (5) comprises a main chain shaft (501) and an auxiliary chain shaft (502), and the main chain shaft (501) and the auxiliary chain shaft (502) are rotatably connected.

3. The double-connected, double-hanging-point V-shaped suspension string of disc-shaped suspension insulators according to claim 2, characterized in that: The main chain shaft (501) is connected to the disc-shaped insulator (4) via a U-shaped chain ring (505); one end of the auxiliary chain shaft (502) is provided with a fan-shaped cut-off plate (503); the fan-shaped cut-off plate (503) is rotatably connected to the auxiliary chain shaft (502); the outer surface of the fan-shaped cut-off plate (503) is provided with a plurality of holes and grooves; the adjusting chain ring (504) is connected to the fan-shaped cut-off plate (503) via the holes and grooves.

4. An operating method for a double-connected V-shaped suspension string of disc-shaped suspension insulators with double hanging points, based on the double-connected V-shaped suspension string of disc-shaped suspension insulators according to claim 3, characterized in that: The steps include: Step 1: Connecting the main chain shaft (501) and the auxiliary chain shaft (502) to the tower structure by means of an adjusting chain ring (504), and then adjusting the connection angle between the adjusting chain ring (504) and the auxiliary chain shaft (502) according to the spacing between the towers, by selecting the connection hole position between the sector plate (503) and the adjusting chain ring (504); Step 2: Then, the disc-shaped insulator (4) is hung below the main chain shaft (501), and the bottom disc-shaped insulator (4) is connected to the angle plate (303) at the bottom of the equalizing ring assembly (3), and after the hanging ring assemblies (5) on both sides are connected to the tower structure; Step 3: The transfer ring (1024) needs to be connected in advance to the movable hanging ring (3031) at the bottom of the angle plate (303), and the seat buckle (1021) is installed on the top of the vertical connecting plate (1). When assembling, the seat buckle (1021) at the top of the vertical connecting plate (1) is directly connected to the transfer ring (1024). Finally, the suspension clamp (2) is installed on both sides of the vertical connecting plate (1), and the cable is inserted through the inside of the suspension clamp (2).

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