CN210271928U - Single-wire duplex strain composite insulator convenient to fix - Google Patents
Single-wire duplex strain composite insulator convenient to fix Download PDFInfo
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- CN210271928U CN210271928U CN201921127575.4U CN201921127575U CN210271928U CN 210271928 U CN210271928 U CN 210271928U CN 201921127575 U CN201921127575 U CN 201921127575U CN 210271928 U CN210271928 U CN 210271928U
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Abstract
The utility model relates to the field of power equipment, in particular to a single-wire duplex strain composite insulator convenient to fix, which comprises a connecting plate hanging piece, two composite insulators and a wire supporting seat, wherein the bottoms of the two composite insulators are respectively fixed with a connecting rod, the connecting rod is hinged with a lever structure, and one end of the two lever structures is in transmission connection with a screw rod adjusting piece for controlling the relative distance between the two lever structures; on the basis of original equipment, lever structure and screw rod regulating part have been added, lever structure can realize driving the support line seat and carry out the removal of height, and the rotation of screw rod regulating part can control the one end of lever structure highly to change, therefore, when the installation wire, can be under low tension, go into the support line seat with the wire card, therefore comparatively convenient, the degree of difficulty is low, rotate the screw rod regulating part after that, make the support line seat rise, tension increases, can play and carry out reliable fixed to the wire position, therefore it is more convenient to install.
Description
Technical Field
The utility model relates to a power equipment field specifically is a pair strain insulator composite insulator of single conductor convenient to it is fixed.
Background
The suspension composite insulator string is an insulation component for suspending a lead, and the lead can be respectively insulated from a tower and the ground through a suspension insulator so as to ensure the normal transmission work of the lead. At present, a single-conductor duplex suspension composite insulator applied to a 35kV line is easy to be punctured due to the structure, so that the insulation effect is easy to lose, and in addition, the existing single-conductor duplex suspension composite insulator is poor in stability and difficult to play a stable suspension role on electric wires.
In this regard, chinese patent publication No. CN108766679A proposes a single-conductor duplex suspension composite insulator, which can effectively increase the creepage distance of the single-conductor duplex suspension composite insulator, but has a certain tension when installing the conductor, and thus, it takes a lot of effort to connect the conductor.
Accordingly, one skilled in the art provides a single-conductor duplex strain composite insulator which is convenient to fix, so as to solve the problems in the background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a single-conductor pair strain insulator composite insulator convenient to it is fixed to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a single wire pair strain insulator composite insulator convenient to it is fixed, includes even board pendant, two composite insulator and holds in the palm the line seat, two composite insulator's bottom all is fixed with the connecting rod, it has lever structure, two to articulate on the connecting rod lever structure's one end transmission is connected with the screw rod regulating part of its relative interval of control, lever structure's the other end articulates there is the support line seat.
As a further aspect of the present invention: the lever structure comprises a connecting plate and a threaded sleeve which are hinged to each other, the connecting plate is hinged to the bottom end of the connecting rod, and the threaded sleeve is in threaded connection with the screw adjusting piece.
As a further aspect of the present invention: the thread sleeve is fixed with two connecting arms which are symmetrically distributed, the number of the connecting plates is two, the connecting arms are hinged through hinged pin holes at one ends of the connecting plates, and the connecting plates are hinged through hinged pin holes at the other ends of the connecting plates and the wire supporting seat is hinged.
As a further aspect of the present invention: the connecting plate is provided with an end connecting hole, the connecting plate is hinged to the outer wall of the connecting rod through the end connecting hole, one side of the end connecting hole is a force applying arm, and the other side of the end connecting hole is a force receiving arm.
As a further aspect of the present invention: the screw rod adjusting piece comprises a nut, and a left-hand thread and a right-hand thread which are fixed at two ends of the nut, and the left-hand thread and the right-hand thread are respectively in threaded connection with the two thread sleeves on the connecting rods.
As a further aspect of the present invention: the distance between the two connecting plates is larger than the diameter of the left-hand thread.
As a further aspect of the present invention: the length of the screw rod adjusting piece is smaller than the distance between the two connecting rods.
Compared with the prior art, the beneficial effects of the utility model are that:
on the basis of original equipment, lever structure and screw rod regulating part have been added, lever structure can realize driving the support line seat and carry out the removal of height, and the rotation of screw rod regulating part can control the one end of lever structure highly to change, therefore, when the installation wire, can be under low tension, go into the support line seat with the wire card, therefore comparatively convenient, the degree of difficulty is low, rotate the screw rod regulating part after that, make the support line seat rise, tension increases, can play and carry out reliable fixed to the wire position, therefore it is more convenient to install.
Drawings
FIG. 1 is a schematic structural view of a single-conductor duplex strain composite insulator convenient for fixing;
FIG. 2 is a schematic structural view of a lever structure in a single-conductor duplex strain composite insulator convenient to fix;
FIG. 3 is a schematic structural view of a threaded sleeve in a single-conductor duplex strain composite insulator for easy fixation;
fig. 4 is a schematic structural view of a screw adjusting member in a single-conductor duplex strain composite insulator convenient to fix.
In the figure: 1. a connecting plate hanging piece; 2. a composite insulator; 21. a connecting rod; 3. a lever structure; 301. an end connection hole; 302. a hinge pin hole; 31. connecting plates; 311. applying a force arm; 312. a force-bearing arm; 32. a threaded sleeve; 321. a connecting arm; 4. a screw adjustment member; 41. a nut; 42. left-handed threads; 43. right-hand threads; 5. and a wire supporting seat.
Detailed Description
Referring to fig. 1-4, in an embodiment of the present invention, a single-conductor duplex strain insulator convenient to fix includes a connecting plate hanger 1, two composite insulators 2 and a wire supporting seat 5, wherein the bottoms of the two composite insulators 2 are both fixed with a connecting rod 21, the connecting rod 21 is hinged with a lever structure 3, one end of the two lever structures 3 is connected with a screw rod adjusting member 4 for controlling the relative distance therebetween in a transmission manner, and the other end of the lever structure 3 is hinged with the wire supporting seat 5.
In fig. 1: the connecting rod 21 is fixed at the bottom of each of the two composite insulators 2, the lever structures 3 are hinged to the connecting rods 21, one ends of the two lever structures 3 are connected with screw adjusting pieces 4 for controlling the relative distance of the two lever structures 3 in a transmission mode, the other ends of the lever structures 3 are hinged with wire supporting seats 5, when the connecting rod is installed, the connecting plate hanger 1 is installed at a proper position firstly, then the wire supporting seats 5 are in the lowest position state by adjusting the screw adjusting pieces 4, a wire penetrates through the two wire supporting seats 5, fasteners on the wire supporting seats 5 are fastened, the tension of the wire is small at the moment, the whole operation is convenient, then the screw adjusting pieces 4 are rotated, the lever structures 3 are rotated, the heights of the two wire supporting seats 5 are increased, and therefore the wire is limited.
In fig. 2: the lever structure 3 comprises a connecting plate 31 and a threaded sleeve 32 which are hinged with each other, the connecting plate 31 is hinged at the bottom end of a connecting rod 21, the threaded sleeve 32 is in threaded connection with a screw rod adjusting part 4, two connecting arms 321 which are symmetrically distributed are fixed on the threaded sleeve 32, the number of the connecting plates 31 is two, and the connecting plates are hinged with the connecting arms 321 through hinge pin holes 302 at one ends of the connecting plates, the two connecting plates 31 are hinged with a wire supporting seat 5 through hinge pin holes 302 at the other ends of the connecting plates, end connecting holes 301 are formed in the connecting plates 31, the connecting plates 31 are hinged on the outer wall of the connecting rod 21 through the end connecting holes 301, one sides of the end connecting holes 301 are force applying arms 311, the other sides of the end connecting holes 301 are force bearing arms 312, when the screw rod adjusting part 4 is rotated, a wrench tool is clamped on a nut 41, and then anticlockwise or clockwise rotation is carried out according to drive a left-handed thread 42 and a right-handed thread 43 to synchronously, when the two thread sleeves 32 are simultaneously far away, the thread sleeves 32 push one end of the force applying arm 311 of the connecting plate 31 to rotate towards the direction close to the connecting rod 21 through the connecting arm 321, so that the force receiving arm 312 also rotates towards the direction close to the connecting rod 21, the wire supporting seat 5 moves towards a low position, the wire can be clamped into the wire supporting seat 5 at the moment, the tension is minimum, the installation is easiest, after the installation, the screw rod adjusting piece 4 is reversely rotated, the height of the wire supporting seat 5 is raised, the tension of the wire is increased, the reliability of the wire limiting is ensured, the distance between the two connecting plates 31 is larger than the diameter of the left-handed thread 42, the left-handed thread 42 and the right-handed thread 43 can be freely rotated between the two connecting plates 31, the length of the screw rod adjusting piece 4 is smaller than the distance between the two connecting rods 21, and the adjusting range of the thread sleeves 32 can be expanded, namely, the height adjusting range of the wire supporting seat 5 is improved.
In fig. 3: two connecting arms 321 which are symmetrically distributed are fixed on the threaded sleeve 32, and the connecting arms 321 can be hinged with the connecting plate 31, so that the rotating adjustment of the connecting plate 31 is convenient to realize.
In fig. 4: screw adjusting part 4 includes nut 41 and fixes left-handed screw thread 42 and the right-handed screw thread 43 at its both ends, left-handed screw thread 42 and right-handed screw thread 43 respectively with the thread bush 32 threaded connection on two connecting rods 21, when rotating screw adjusting part 4, use the spanner tool card on nut 41, then carry out anticlockwise or clockwise rotation as required, drive left-handed screw thread 42 and right-handed screw thread 43 synchronous revolution, left-handed screw thread 42 and right-handed screw thread 43 take place screw drive with the thread bush 32 on two connecting rods 21 respectively, carry out opposite direction's motion, realize synchronous keeping away from or being close to.
The utility model discloses a theory of operation is: when the connecting plate hanging piece 1 is installed at a proper position, the screw adjusting piece 4 is adjusted to enable the wire supporting seats 5 to be in the lowest position state, the wires penetrate through the two wire supporting seats 5 and buckle fasteners on the wire supporting seats 5, the tension of the wires is small at the moment, the whole operation is convenient, then the screw adjusting piece 4 is rotated to enable the lever structure 3 to rotate, the heights of the two wire supporting seats 5 are increased, the wires are limited, when the screw adjusting piece 4 is rotated, a wrench tool is clamped on the nut 41, then the left-handed threads 42 and the right-handed threads 43 are driven to rotate synchronously by rotating anticlockwise or clockwise according to needs, the left-handed threads 42 and the right-handed threads 43 are in thread transmission with the thread sleeves 32 on the two connecting rods 21 respectively, the movement in opposite directions is carried out, the synchronous far-away or close-away is realized, when the two thread sleeves 32 are far away simultaneously, the threaded sleeve 32 pushes one end of the force applying arm 311 of the connecting plate 31 to rotate towards the direction close to the connecting rod 21 through the connecting arm 321, so that the force receiving arm 312 also rotates towards the direction close to the connecting rod 21, the wire supporting seat 5 moves towards a low position, a wire can be clamped into the wire supporting seat 5 at the moment, the tension is minimum, the installation is easiest, after the installation, the screw adjusting piece 4 is rotated reversely, the height of the wire supporting seat 5 rises, the tension of the wire is increased, the reliability of the wire limiting is ensured, the distance between the two connecting plates 31 is larger than the diameter of the left-handed thread 42, therefore, the left-handed thread 42 and the right-handed thread 43 can rotate freely between the two connecting plates 31, the length of the screw adjusting piece 4 is smaller than the distance between the two connecting rods 21, the adjusting range of the threaded sleeve 32 can be expanded, and the height adjusting range of the wire.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a single wire pair strain insulator composite insulator convenient to it is fixed, includes even board pendant (1), two composite insulator (2) and holds in the palm line seat (5), its characterized in that, two the bottom of composite insulator (2) all is fixed with connecting rod (21), it has lever structure (3), two to articulate on connecting rod (21) the one end transmission of lever structure (3) is connected with screw rod regulating part (4) of its relative interval of control, the other end of lever structure (3) articulates there is support line seat (5).
2. The single-conductor duplex strain composite insulator convenient to fix as claimed in claim 1, wherein the lever structure (3) comprises a connecting plate (31) and a threaded sleeve (32) which are hinged with each other, the connecting plate (31) is hinged at the bottom end of the connecting rod (21), and the threaded sleeve (32) is in threaded connection with the screw rod adjusting piece (4).
3. The single-conductor duplex strain composite insulator convenient to fix as claimed in claim 2, wherein two connecting arms (321) symmetrically distributed are fixed on the threaded sleeve (32), the number of the connecting plates (31) is two, the connecting arms (321) are hinged to the two connecting plates through hinge pin holes (302) at one ends of the connecting plates, and the two connecting plates (31) are hinged to the wire supporting seat (5) through hinge pin holes (302) at the other ends of the connecting plates.
4. The single-conductor duplex strain composite insulator convenient to fix as claimed in claim 3, wherein an end connecting hole (301) is formed in the connecting plate (31), the connecting plate (31) is hinged to the outer wall of the connecting rod (21) through the end connecting hole (301), a force applying arm (311) is arranged on one side of the end connecting hole (301), and a force receiving arm (312) is arranged on the other side of the end connecting hole (301).
5. The single-conductor duplex strain composite insulator convenient to fix as claimed in claim 2, wherein the screw rod adjusting piece (4) comprises a nut (41) and a left-hand thread (42) and a right-hand thread (43) fixed at two ends of the nut, and the left-hand thread (42) and the right-hand thread (43) are respectively in threaded connection with thread sleeves (32) on the two connecting rods (21).
6. The single-conductor duplex strain composite insulator facilitating fixation as recited in claim 5, wherein a distance between two of the connecting plates (31) is larger than a diameter of the left-hand thread (42).
7. The single-conductor duplex strain composite insulator convenient to fix as claimed in claim 1, wherein the length of the screw rod adjusting piece (4) is smaller than the distance between two connecting rods (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921127575.4U CN210271928U (en) | 2019-07-18 | 2019-07-18 | Single-wire duplex strain composite insulator convenient to fix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921127575.4U CN210271928U (en) | 2019-07-18 | 2019-07-18 | Single-wire duplex strain composite insulator convenient to fix |
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| Publication Number | Publication Date |
|---|---|
| CN210271928U true CN210271928U (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201921127575.4U Active CN210271928U (en) | 2019-07-18 | 2019-07-18 | Single-wire duplex strain composite insulator convenient to fix |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112542281A (en) * | 2020-12-03 | 2021-03-23 | 江西利峰电瓷制造有限公司 | Insulator fixing device |
| CN113517099A (en) * | 2021-08-31 | 2021-10-19 | 固力发电气有限公司 | Ultrahigh-voltage composite cross arm insulator with multipurpose end fitting |
-
2019
- 2019-07-18 CN CN201921127575.4U patent/CN210271928U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112542281A (en) * | 2020-12-03 | 2021-03-23 | 江西利峰电瓷制造有限公司 | Insulator fixing device |
| CN112542281B (en) * | 2020-12-03 | 2022-02-15 | 江西利峰电瓷制造有限公司 | Insulator fixing device |
| CN113517099A (en) * | 2021-08-31 | 2021-10-19 | 固力发电气有限公司 | Ultrahigh-voltage composite cross arm insulator with multipurpose end fitting |
| CN113517099B (en) * | 2021-08-31 | 2022-10-04 | 固力发电气有限公司 | Ultrahigh-voltage composite cross arm insulator with multipurpose end fitting |
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