阅读说明：本技术 一种330kV线路用辅助间隔棒 (Auxiliary spacer for 330kV line ) 是由 潘超 陈玉军 张江南 马占云 于海威 徐福生 赵云龙 马超 陈得奎 申西宁 赵振 于 2019-11-19 设计创作，主要内容包括：本发明公开了一种330kV线路用辅助间隔棒,包括挂杆、套管、连接轴、连接杆、安装架和挂钩；所述安装架呈十字形镂空结构；四个所述连接杆分别设置在安装架的四个拐角处；四个所述套管均通过贯穿结构的连接轴与四个所述连接杆一一对应转动连接；四个所述挂杆均通过连接轴分别转动连接在四个所述套管的底部；所述挂钩的数量为四个,四个所述挂钩分别设置在四个所述连接杆的表面。本发明中,该辅助间隔棒采用多孔镂空的结构,有效的降低了辅助间隔棒的整体重量,从而便于电力维修人员的携带使用,同时利用四个十字对称的套管,确保了对输电导线稳定独立的间隔夹持保护作用,最大化的提高了输电导线的安全性。(The invention discloses an auxiliary spacer for a 330kV line, which comprises a hanging rod, a sleeve, a connecting shaft, a connecting rod, a mounting rack and a hook, wherein the hanging rod is fixedly connected with the sleeve; the mounting rack is of a cross-shaped hollow structure; the four connecting rods are respectively arranged at four corners of the mounting rack; the four sleeves are in one-to-one corresponding rotary connection with the four connecting rods through connecting shafts of a penetrating structure; the four hanging rods are respectively and rotatably connected to the bottoms of the four sleeves through connecting shafts; the quantity of couple is four, four the couple sets up respectively in four the surface of connecting rod. According to the invention, the auxiliary spacing rod adopts a porous hollow structure, so that the overall weight of the auxiliary spacing rod is effectively reduced, the auxiliary spacing rod is convenient for carrying and using by power maintenance personnel, meanwhile, the stable and independent spacing clamping protection effect on the transmission conductor is ensured by utilizing four crossed symmetrical sleeves, and the safety of the transmission conductor is improved to the maximum extent.)

1. An auxiliary spacing rod for a 330kV line is characterized by comprising a hanging rod (1), a sleeve (2), a connecting shaft (3), a connecting rod (4), a mounting rack (5) and a hook (6);

the mounting rack (5) is of a cross-shaped hollow structure; the number of the connecting rods (4) is four, and the four connecting rods (4) are respectively fixedly arranged at four corners of the mounting rack (5); the number of the sleeves (2) is four, and the four sleeves (2) are movably connected with the end parts of the four connecting rods (4) in a one-to-one corresponding mode through connecting shafts (3) of a penetrating structure; the number of the hanging rods (1) is four, and the four hanging rods (1) are movably connected to the end parts of the four sleeves (2) through connecting shafts (3) respectively; the number of the hooks (6) is four, and the four hooks (6) are respectively arranged on the surfaces of the four connecting rods (4); one end of the hanging rod (1) is welded with a telescopic sleeve (11), a spring (12) is welded in the telescopic sleeve (11), the other end of the spring (12) is welded with a lock rod (13), the lock rod (13) is cylindrical, a clamping groove (131) is formed in the lock rod, the cross section of the clamping groove (131) is of two concentric annular structures, and the telescopic sleeve (11) can be inserted into the clamping groove (131); the hanging rod (1) is elastically connected with the lock rod (13) through a welded spring (12), and the spring (12) penetrates through the inner cavity of the telescopic sleeve (11); the end part of the lock rod (13) is welded with a hanging ring (14), and the hanging ring (14) is of an annular structure.

2. The auxiliary spacer for the 330kV line as claimed in claim 1, wherein the sleeve (2) is of a semicircular tubular structure, a damping gasket (21) is adhered to the inner surface of the sleeve (2), and weight-reducing holes (22) are formed in the sleeve (2) and the damping gasket (21).

3. The auxiliary spacing rod for the 330kV line as claimed in claim 1, wherein the hook (6) is composed of a threaded rod (61) and a locking block (62), wherein the threaded rod (61) is welded at one end of the hook (6), and the locking block (62) is welded on the inner surface wall of the hook (6).

4. An auxiliary spacer for 330kV lines as claimed in claim 1, wherein the length of the telescopic sleeve (11) is greater than the elastic expansion amplitude of the spring (12).

Technical Field

The invention relates to the technical field of power line equipment, in particular to an auxiliary spacer for a 330kV line.

Background

The spacer for the split conductors of the power transmission line is mainly used for limiting the relative movement between sub-conductors and keeping the geometric shape of the split conductors under the normal operation condition, each phase of conductor of the ultrahigh-voltage power transmission line with long distance and large capacity adopts two, four or more split conductors, and in the operation of a 330KV line, the spacer is required to be used for carrying out split clamping treatment on adjacent power transmission conductors so as to protect the stability and safety of the power transmission conductors.

However, when the existing spacer is used, the sleeve is usually clamped in a bolt screwing mode, on one hand, the bolt screwing mode is inconvenient for quick and flexible operation and use of power maintenance personnel, and on the other hand, after the spacer is corroded by air or rainwater for a long time, the bolt per se can be worn, so that the spacer cannot be disassembled and replaced, the workload of the power maintenance personnel is increased, and the using effect of the spacer is reduced.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides an auxiliary spacer for a 330kV line.

In order to achieve the purpose, the invention adopts the following technical scheme: an auxiliary spacing rod for a 330kV line is characterized by comprising a hanging rod (1), a sleeve (2), a connecting shaft (3), a connecting rod (4), a mounting rack (5) and a hook (6);

the mounting rack (5) is of a cross-shaped hollow structure; the number of the connecting rods (4) is four, and the four connecting rods (4) are respectively fixedly arranged at four corners of the mounting rack (5); the number of the sleeves (2) is four, and the four sleeves (2) are movably connected with the end parts of the four connecting rods (4) in a one-to-one corresponding mode through connecting shafts (3) of a penetrating structure; the number of the hanging rods (1) is four, and the four hanging rods (1) are movably connected to the end parts of the four sleeves (2) through connecting shafts (3) respectively; the number of the hooks (6) is four, and the four hooks (6) are respectively arranged on the surfaces of the four connecting rods (4); one end of the hanging rod (1) is welded with a telescopic sleeve (11), a spring (12) is welded in the telescopic sleeve (11), the other end of the spring (12) is welded with a lock rod (13), the lock rod (13) is cylindrical, a clamping groove (131) is formed in the lock rod, the cross section of the clamping groove (131) is of two concentric annular structures, and the telescopic sleeve (11) can be inserted into the clamping groove (131); the hanging rod (1) is elastically connected with the lock rod (13) through a welded spring (12), and the spring (12) penetrates through the inner cavity of the telescopic sleeve (11); the end part of the lock rod (13) is welded with a hanging ring (14), and the hanging ring (14) is of an annular structure.

The sleeve (2) is of a semicircular tubular structure, the damping gasket (21) is adhered to the inner surface of the sleeve (2), and lightening holes (22) are formed in the sleeve (2) and the damping gasket (21).

The hook (6) is composed of a threaded rod (61) and a locking block (62), wherein the threaded rod (61) is welded at one end of the hook (6), and the locking block (62) is welded on the inner surface wall of the hook (6).

The length of the telescopic sleeve (11) is larger than the elastic telescopic amplitude of the spring (12). As a further description of the above technical solution:

the lock rod is also included;

one end of the lock rod is welded with a hanging ring which is of an annular structure;

the other end of the lock rod is provided with a clamping groove, and the cross section of the clamping groove is of an annular structure.

As a further description of the above technical solution:

one end of the hanging rod is welded with a telescopic sleeve, and the telescopic sleeve is connected with the clamping groove in an embedded sliding manner;

the hanging rod is elastically connected with the lock rod through a welded spring, and the spring penetrates through the inner cavity of the telescopic sleeve.

As a further description of the above technical solution:

the sleeve pipe is of a semicircular tubular structure, the damping gasket is adhered to the inner surface of the sleeve pipe, and lightening holes are formed in the sleeve pipe and the damping gasket.

As a further description of the above technical solution:

the couple comprises threaded rod and locking piece, and wherein, the threaded rod welding is in the one end of couple, and the locking piece welding is at the interior table wall of couple.

As a further description of the above technical solution:

the length of the telescopic sleeve is larger than the elastic telescopic amplitude of the spring.

Advantageous effects

The invention provides an auxiliary spacer for a 330kV line. The method has the following beneficial effects:

(1): this supplementary conductor spacer adopts the structure of porous fretwork, the effectual whole weight that has reduced supplementary conductor spacer to the power maintenance personnel's of being convenient for use of carrying utilizes the sleeve pipe of four cross symmetries simultaneously, has ensured the stable independent interval centre gripping guard action to transmission of electricity wire, the maximize improvement transmission of electricity wire's security.

(2): this supplementary conductor spacer is through the locking lever structure that sets up, and the mode that has utilized the joint carries out the closure to the sleeve pipe and seals, has avoided traditional bolt-up's mode, has reduced power maintenance personnel's work burden, and the flexible effect of elasticity of cooperation spring simultaneously also is convenient for tensile locking lever to change its length and carries out quick joint operation, very big improvement supplementary conductor spacer's use flexibility, strengthened supplementary conductor spacer's result of use.

Drawings

FIG. 1 is a schematic overall structure diagram of an auxiliary spacer for 330kV lines according to the present invention;

FIG. 2 is a schematic view of the structure of the connecting position of the hanging rod and the lock rod in the present invention;

FIG. 3 is a schematic view of the locking lever of the present invention;

FIG. 4 is a schematic structural view of the bushing of the present invention;

FIG. 5 is a schematic view of the hook structure of the present invention;

illustration of the drawings:

1. a hanging rod; 11. a telescopic sleeve; 12. a spring; 13. a lock lever; 131. a card slot; 14. hanging a ring; 2. a sleeve; 21. a damping shim; 22. lightening holes; 3. a connecting shaft; 4. a connecting rod; 5. a mounting frame; 6. hooking; 61. a threaded rod; 62. and (6) locking the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, an auxiliary spacer for a 330kV line comprises a hanging rod 1, a sleeve 2, a connecting shaft 3, a connecting rod 4, a mounting rack 5 and a hook 6;

as shown in fig. 1, 2 and 3, the mounting frame 5 is a cross-shaped hollow structure, so that the overall weight of the mounting frame 5 is effectively reduced, and the replacement operation of the spacer is conveniently performed by power maintenance personnel;

the number of the connecting rods 4 is four, the four connecting rods 4 are respectively arranged at four corners of the mounting frame 5, the number of the sleeves 2 is four, the four connecting rods 4 are connected by adopting a detachable structure, the connecting operation of the connecting rods 4 in corresponding number can be carried out according to the number of the split conductors, and the four sleeves 2 are rotatably connected with the four connecting rods 4 in one-to-one correspondence through the connecting shafts 3 penetrating through the structure, so that the symmetrical and independent mounting effect of the four connecting rods 4 is realized, and the phenomenon of mutual contact influence among power transmission conductors is avoided;

the quantity of peg 1 is four, and four pegs 1 all rotate respectively through connecting axle 3 and connect in four sleeve pipe 2's bottom, and the quantity of couple 6 is four, and four couples 6 set up respectively on the surface of four connecting rods 4 for four pegs 1 can carry out the one-to-one joint in four couples 6 respectively, thereby seal the centre gripping effect to the transmission of electricity wire in four sleeve pipe 2, prevent that the transmission of electricity wire from taking place the condition of falling in disorder.

Further comprises a lock bar 13; one end of the lock rod 13 is welded with a hanging ring 14, and the hanging ring 14 is of an annular structure; the other end of the lock rod 13 is provided with a clamping groove 131, and the cross section of the clamping groove 131 is of an annular structure, so that the hanging ring 14 on the lock rod 13 can be fixedly clamped with the hook 6, the sealing and clamping effect on the sleeve 2 is achieved, and the relative sealing performance of the sleeve 2 is ensured.

The working principle is as follows: when the transmission conductor of 330kV circuit needs to carry out interval protection, the conductor spacer is taken to the power maintenance personnel, at first establish mounting bracket 5 between four transmission conductors, rotate four sleeve pipes 2 in proper order, make four sleeve pipes 2 can wrap up four transmission conductors respectively, when sleeve pipe 2 wraps up transmission conductor, rotate peg 1 through connecting axle 3, it rotates to drive locking lever 13 simultaneously with peg 1 rotation, and cup joint link 14 on couple 6, the sealed centre gripping protection effect of transmission conductor in the realization is to sleeve pipe 2 to peg 1 and locking lever 13, prevent that the transmission conductor in the sleeve pipe 2 from taking place the condition that drops.

As shown in fig. 2 and 3, a telescopic sleeve 11 is welded at one end of the hanging rod 1, and the telescopic sleeve 11 is in embedded sliding connection with the clamping groove 131; peg 1 is through welded spring 12 and locking lever 13 elastic connection, and spring 12 runs through the inner chamber of telescope tube 11, the length of telescope tube 11 is greater than the elastic expansion range of spring 12, when pulling locking lever 13 is flexible, locking lever 13 can drive spring 12 and make its flexible deformation, meanwhile, telescope tube 11 also can carry out the back-and-forth movement in draw-in groove 131, the realization is to the effect of the synchronous sealed protection of spring 12, also play limiting displacement to the position of locking lever 13 and peg 1, ensure that peg 1 and locking lever 13 are in linear state, the operation of the tensile joint of locking lever 13 has also been made things convenient for.

As shown in fig. 4, the casing 2 is a semicircular tubular structure, the damping gasket 21 is adhered to the inner surface of the casing 2, lightening holes 22 are formed in the casing 2 and the damping gasket 21, the damping gasket 21 can protect the inner walls of the transmission conductor and the casing 2 elastically, reduce the wear of the transmission conductor, and reduce the shock effect generated by the transmission conductor, and the lightening holes 22 can reduce the self weight of the casing 2, so as to further reduce the overall weight of the spacer.

As shown in fig. 5, the hook 6 is composed of a threaded rod 61 and a locking block 62, wherein the threaded rod 61 is welded at one end of the hook 6, the locking block 62 is welded at the inner surface wall of the hook 6, the hook 6 is connected with the connecting rod 4 through the threaded rod 61 in a screwed manner, so that the hook 6 can be fixed with the connecting rod 4, the quick and flexible disassembly and assembly operation is realized, the protruding structure of the locking block 62 can increase the mutual extrusion force with the hanging ring 14, the phenomenon that the hanging ring 14 drops from the hook 6 is avoided, and the connection stability of the locking rod 13 and the hook 6 is further ensured.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.