CN212303230U - Continuous adjustment type cable-stayed composite insulator - Google Patents
Continuous adjustment type cable-stayed composite insulator Download PDFInfo
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- CN212303230U CN212303230U CN202020930521.8U CN202020930521U CN212303230U CN 212303230 U CN212303230 U CN 212303230U CN 202020930521 U CN202020930521 U CN 202020930521U CN 212303230 U CN212303230 U CN 212303230U
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Abstract
The utility model relates to a composite insulator draws to one side of continuous regulation type sets up an adjusting frame between end connection gold utensil and composite insulator main part, and the fine setting district screw rod of end connection gold utensil lower extreme and the adjusting district screw rod of composite insulator main part upper end insert respectively in adjusting frame's upper and lower end, constitute fine setting district and adjusting zone. The length can be continuously adjusted by rotating the adjusting area nut, and the connection direction of the connection fitting can be flexibly and continuously adjusted by rotating the fine adjusting area nut. Because the adjusting frame is of a fixed type, the structure is stable, and the deviation is not easy to occur. The utility model discloses the installation is nimble more and realize easily, and the taut back of insulator installation, the atress does not have the skew, and is not fragile. The pin hole and the split pin limit the nut, and the nut is prevented from falling off due to vibration and torsion of the insulator. By changing the size of the adjusting frame and the specification and the size of the adjusting screw rod, different adjusting ranges and different stretching mechanical strengths are realized, and the manufacturing cost is low.
Description
Technical Field
The utility model relates to a draw composite insulator (hereinafter abbreviated as insulator) to one side, especially a continuous control type draws composite insulator to one side.
Background
In recent years, China vigorously develops electric power utilities, emphasizes power grid construction and structure adjustment, actively expands the power transmission from the west to the east, strengthens the interconnection between the south and the north and the networking in China, increases the power transmission capacity of three passages, namely the north, the middle and the south, and aims to ensure the realization of the target, for a power transmission system, the reliability and the economy are the main problems of system design, a transformer substation is a hub of a power transmission system, and a diagonal composite insulator is an important component of the transformer substation, mainly bears continuous tensile stress during the operation of the insulator, and plays a very important role in maintaining the stress balance and the electrical insulation of the whole system. Because the distance between the connection bases of the cable-stayed insulators is large, deflection of the installation angle can be caused, the installation position is fixed and does not have an elastic range, the requirement on the length of the composite insulator is particularly precise, and errors exist in measurement of the distance between the bases, so that installation is difficult to achieve.
Disclosure of Invention
The utility model discloses improved on current insulator basis, its aim at provide one kind mechanical properties good, can be nimble continuous adjustment installation direction and length, end connection gold utensil and composite insulator main part gold utensil can design into various general standards and nonstandard connection, multiple control range and tensile mechanical strength, practice thrift the cost and be convenient for the novel compound insulator that draws to one side of production.
The utility model discloses above-mentioned purpose of insulator is realized through following technical scheme:
a continuously-adjusted cable-stayed composite insulator comprises an end connecting hardware fitting, a composite insulator main body and a composite insulator main body hardware fitting; the end connecting hardware fitting and the composite insulator main body hardware fitting are respectively arranged at the upper end and the lower end of the composite insulator main body; an adjusting mechanism is arranged between the end connecting hardware fitting and the composite insulator main body, the main body of the adjusting mechanism is a fixed adjusting frame, and the end connecting hardware fitting and the composite insulator main body are connected together through the adjusting frame; the upper frame of the adjusting frame is provided with an upper adjusting frame through hole, the lower frame of the adjusting frame is provided with a lower adjusting frame through hole, the lower end of the end connecting hardware fitting is provided with a fine adjusting area screw rod integrated with the end connecting hardware fitting, the fine adjusting area screw rod is inserted into the adjusting frame through the upper adjusting frame through hole, the upper end of the composite insulator main body is provided with an adjusting area screw rod integrated with the composite insulator main body, the adjusting area screw rod is inserted into the adjusting frame through the lower adjusting frame through hole, and the fine adjusting area screw rod and the adjusting area screw rod are respectively fixed in the upper frame and the lower frame of the adjusting frame; in the adjusting frame, the fine adjusting area screw and the nut component thereof form a fine adjusting area, and the adjusting area screw and the nut component thereof form an adjusting area.
The fine adjustment area screw rod is opposite to the adjusting area screw rod, and the central axis is overlapped.
The nut component consists of a nut, a flat washer and a spring washer.
The two ends of the fine adjustment area screw rod and the two ends of the adjusting area screw rod are respectively provided with a pin hole: the bottom end of the fine adjustment area screw rod is provided with a fine adjustment area pin hole, and the top end of the adjustment area screw rod is provided with an adjustment area pin hole; and is fixed by inserting a cotter pin into the pin hole.
And two ends of the composite insulator main body are simultaneously provided with corresponding adjusting mechanisms.
The advantages of this structure are:
the adjusting frame is a whole, so the structure is stable and the deviation is not easy to occur; the continuous adjustment type cable-stayed composite insulator continuously adjusts length deviation through the adjusting area, and flexibly and continuously adjusts the connecting direction through the fine adjusting area, so that the installation is more flexible and easy to realize, the problem that the insulator cannot be installed due to the deflection of the fixed foundation and the error of the actual length and the distance between the insulators is solved, and the cable-stayed composite insulator has very important significance for the normal operation of the whole power station. The length is adjusted by a single screw, and the central axes of the adjusting area and the fine adjustment area are superposed with the central axis of the composite insulator main body, so that the insulator is stressed and does not deviate after being installed and tensioned, and is not easy to damage; the pin hole and the split pin are limited, so that the observation is convenient in the installation and use processes, and the split pin is not easy to fall off; the size of the adjusting frame and the specification and the size of the adjusting screw rod are changed to realize each adjusting range and tensile mechanical strength, and the end connecting hardware fitting and the composite insulator main body hardware fitting can be designed into various universal standards and non-standard connections according to requirements, so that the method is very flexible and flexible to realize and low in manufacturing cost. In addition, the insulator can be applied to the insulation of a power transmission line according to actual requirements, so that the application range is wide.
In addition, the insulator can also be applied to the insulation of the power transmission line according to actual requirements. In a word, this kind of continuous adjustment type draws composite insulator to one side, simple structure, construction convenience, the adjustability is good, has good result of use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the insulator comprises 1-end connecting hardware fitting, 1 a-fine adjustment area screw rod, 1 b-fine adjustment area pin hole, 2-adjusting frame, 2 a-adjusting frame upper through hole, 2 b-adjusting frame lower through hole, 3-composite insulator main body, 3 a-adjusting area screw rod, 3 b-adjusting area pin hole, 4-composite insulator main body hardware fitting and 5-nut component.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings:
in fig. 1, a cable-stayed composite insulator with continuously adjustable length includes an end connection fitting 1, a composite insulator main body 3, and a composite insulator main body fitting 4. The end connecting hardware fitting 1 and the composite insulator main body hardware fitting 4 are respectively installed at the upper end and the lower end of the composite insulator main body 3. The main points of this design scheme are, set up an adjustment mechanism between end connection gold utensil 1 and composite insulator main part 3, adjustment mechanism's main part is fixed adjusting frame 2, can not adjust the change after the shaping, and end connection gold utensil 1 and composite insulator main part 3 link together through adjusting frame 2. The specific connection mode is as follows: the upper frame of the adjusting frame 2 is provided with an adjusting frame upper through hole 2a, the lower frame of the adjusting frame 2 is provided with an adjusting frame lower through hole 2b, and the fine adjustment area screw rod 1a of the end connecting fitting 1 is inserted into the adjusting frame 2 through the adjusting frame upper through hole 2 a. The adjusting section screw 3a of the composite insulator body 3 is inserted into the adjusting frame 2 through the adjusting frame lower through hole 2 b. The fine adjustment area screw rod 1a is opposite to the adjusting area screw rod 3a, and the central axes are overlapped. The fine adjustment zone screw rod 1a and the adjustment zone screw rod 3a are respectively fixed in the upper frame and the lower frame of the adjustment frame 2 by respective nut components 5. The nut component 5 is composed of a nut, a flat washer and a spring washer, and the composition and the fixing method are universal structures and modes. Pin holes are respectively formed at two ends of the fine adjustment area screw rod 1a and the adjusting area screw rod 3 a: the bottom end of the fine adjustment area screw rod 1a is provided with a fine adjustment area pin hole 1b, and the top end of the adjustment area screw rod 3a is provided with an adjustment area pin hole 3 b; and is fixed by inserting a cotter pin into the pin hole. The pin hole and the split pin limit the nut, and the nut is prevented from falling off due to vibration and torsion of the insulator.
In the adjusting frame 2, a fine adjustment zone screw 1a and a nut component 5 thereof form a fine adjustment zone 1; the adjusting zone screw 3a and its nut component 5 form an adjusting zone II. The connection direction of the end connection hardware fitting 1 is flexibly and continuously adjusted by rotating the nut component 5 in the fine adjustment area I; the nut component 5 in the rotary adjusting area II is used for realizing the continuous adjustment of the length of the cable-stayed composite insulator. Different adjustment ranges and tensile mechanical strengths are achieved by varying the adjustment frame 2 dimensions, the connection area dimensions, and the screw specifications and dimensions.
In addition, in order to further enhance the adjusting function of the composite insulator, corresponding adjusting mechanisms can be arranged at the two ends of the composite insulator main body 3 at the same time, so that the adjustable range is increased.
The end connecting hardware fitting and the composite insulator main body hardware fitting can be designed into various universal standard connections according to requirements. For example, the structure is changed into a ball head and ball socket structure of GB/T4056, a groove type and flat foot structure of GB/T25317, and an annular and Y-shaped structure of IEC 61466-1; the non-standard connection which is fit for various requirements can be freely designed according to the actual shape and size of the installation foundation, and the like. The various adjusting ranges and the tensile mechanical strength are realized by changing the size of the adjusting frame, the connecting size and the specification and size of the adjusting screw rod.
This composite insulator's mounting means:
step 1: when in engineering installation, the composite insulator main body hardware 4 is firstly installed and fixed on a connection foundation (on construction equipment).
Step 2: and (3) penetrating the screw rod 1a in the fine adjustment area through a through hole 2a on the adjusting frame, screwing the screw rod into a nut component 5 consisting of a nut, a flat washer and a spring washer, and inserting a cotter pin into a pin hole 1b in the fine adjustment area for fixing without fastening.
And step 3: and (3) penetrating an adjusting area screw rod 3a of the composite insulator main body 3 through the lower through hole 2b of the adjusting frame, screwing the adjusting area screw rod into a nut component 5 consisting of a nut, a flat washer and a spring washer, and inserting a cotter pin into an adjusting area pin hole 3b for fixing without fastening.
And 4, step 4: the end connecting hardware fitting 1 is well adjusted in direction, is aligned to an upper connecting foundation (on construction equipment), is installed and fixed, and then is tightly screwed and fixed on the upper frame of the adjusting frame 2 by the nut of the nut component 5 on the screw rod 1a of the fine adjustment area.
And 5: and (3) rotating the nut of the nut component 5 on the adjusting area screw rod 3a, screwing the nut component 5 and fixing the nut component on the lower frame of the adjusting frame 2, and thus, completing the installation of the whole insulator.
The product of the utility model is simple in structure, construction convenience, the adjustability is good, economical and practical.
Claims (5)
1. A continuously-adjusted cable-stayed composite insulator comprises an end connecting hardware fitting, a composite insulator main body and a composite insulator main body hardware fitting; the end connecting hardware fitting and the composite insulator main body hardware fitting are respectively arranged at the upper end and the lower end of the composite insulator main body; its characterized in that sets up an adjustment mechanism between end connection gold utensil and composite insulator main part: the main body of the adjusting mechanism is a fixed adjusting frame, and the end connecting hardware fitting and the composite insulator main body are connected together through the adjusting frame; the upper frame of the adjusting frame is provided with an upper adjusting frame through hole, the lower frame of the adjusting frame is provided with a lower adjusting frame through hole, the lower end of the end connecting hardware fitting is provided with a fine adjusting area screw rod integrated with the end connecting hardware fitting, the fine adjusting area screw rod is inserted into the adjusting frame through the upper adjusting frame through hole, the upper end of the composite insulator main body is provided with an adjusting area screw rod integrated with the composite insulator main body, the adjusting area screw rod is inserted into the adjusting frame through the lower adjusting frame through hole, and the fine adjusting area screw rod and the adjusting area screw rod are respectively fixed in the upper frame and the lower frame of the adjusting frame; in the adjusting frame, the fine adjusting area screw and the nut component thereof form a fine adjusting area, and the adjusting area screw and the nut component thereof form an adjusting area.
2. The cable-stayed composite insulator according to claim 1, wherein: the fine adjustment area screw rod is opposite to the adjusting area screw rod, and the central axis is overlapped.
3. The cable-stayed composite insulator according to claim 1 or 2, wherein: the nut component consists of a nut, a flat washer and a spring washer.
4. The cable-stayed composite insulator according to claim 1 or 2, wherein pin holes are respectively formed at both ends of the screw rod in the fine adjustment area and the screw rod in the adjustment area: the bottom end of the fine adjustment area screw rod is provided with a fine adjustment area pin hole, and the top end of the adjustment area screw rod is provided with an adjustment area pin hole; and is fixed by inserting a cotter pin into the pin hole.
5. The cable-stayed composite insulator according to claim 1, wherein: and two ends of the composite insulator main body are simultaneously provided with corresponding adjusting mechanisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020930521.8U CN212303230U (en) | 2020-05-21 | 2020-05-21 | Continuous adjustment type cable-stayed composite insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020930521.8U CN212303230U (en) | 2020-05-21 | 2020-05-21 | Continuous adjustment type cable-stayed composite insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212303230U true CN212303230U (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020930521.8U Active CN212303230U (en) | 2020-05-21 | 2020-05-21 | Continuous adjustment type cable-stayed composite insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212303230U (en) |
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2020
- 2020-05-21 CN CN202020930521.8U patent/CN212303230U/en active Active
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