CN114121388A - Triangle fixed post insulator - Google Patents
Triangle fixed post insulator Download PDFInfo
- Publication number
- CN114121388A CN114121388A CN202111383111.1A CN202111383111A CN114121388A CN 114121388 A CN114121388 A CN 114121388A CN 202111383111 A CN202111383111 A CN 202111383111A CN 114121388 A CN114121388 A CN 114121388A
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- Prior art keywords
- rod
- block
- insulator
- fixed post
- triangle
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/14—Supporting insulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/14—Supporting insulators
- H01B17/16—Fastening of insulators to support, to conductor, or to adjoining insulator
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
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Abstract
The invention discloses a triangle fixed post insulator, which comprises a bracket main body, a bracket rod and a foot block, wherein the bracket main body comprises a middle block connected with the insulator, the bracket rod is rotationally connected with the middle block, and the foot block is hinged with the lower end of the bracket rod and is in threaded connection with a cross arm; the mounting assembly comprises a connecting rod connected to the middle block in a sliding manner and a locking piece arranged on the connecting rod; and the adjusting component is arranged on the middle block, a traditional single support is changed into a double support, the supporting height of the insulator is reduced, the height is higher, the transverse stress is smaller, the insulator support bolt is reduced to 100mm from the angle of mechanics, the adjusting component is fixedly arranged at the bolt hole at the top end of the triangular frame, and the bolt connection is designed and used.
Description
Technical Field
The invention relates to the technical field of insulators, in particular to a triangle fixed type post insulator.
Background
The conventional overhead conductor is laid on the double cross arms and the double top sleeves through two strut insulators or suspension insulators, particularly, the gradient drop of the strut insulators in mountainous areas and hilly areas is large, and under the action of powerful force, the influence of stress on the strut insulator fixing bolts or the fixing cross arms and the double top sleeves is often generated, so that the column insulator fixing bolts or the fixing cross arms and the double top sleeves are bent and deformed along with the direction of the force, the openings of the cross arms and the double top sleeves are enlarged, the cross arms and the double top sleeves are distorted and deformed, and the internal structure of a conductor is damaged due to overlarge tension of the conductor; in severe cases, even the insulator is damaged, the line loses insulation protection and directly contacts with electric conductors such as a cross arm, and the like, so that the electric conductors are discharged to the ground, a power failure event is caused by a light person to influence the normal electricity utilization of a user, and an immeasurable economic loss caused by mountain fire is caused by a heavy person, and accident events such as life and property safety of the masses are threatened; and moreover, the wire is easy to fly to shift once losing the constraint of the supporting point, so that the wire sag is too large, the tension is loose, and the wire after shifting has instant short-circuit fault between the wire phase and the phase under the influence of certain wind power, so that the line short-circuit fault has power failure. Particularly, in spring and autumn wind blowing seasons, the circuit after flying to the gear swings with different radians along with the wind power, so that the circuit is powered off at any time, the power supply reliability is reduced, the normal power utilization of a user is seriously influenced, and the enterprise image and reputation are greatly influenced. In view of the above problems, the column insulator is developed by the gradient drop in the overhead conductor shuttle hilly and mountainous area, the problem that the overhead conductor is not deformed and damaged under the condition of reverse tension to be transformed and developed is effectively solved, the power supply reliability and the satisfaction degree of each aspect of power customers are effectively improved, and the occurrence of accidents is reduced.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above-mentioned problems of the conventional delta-fixed post insulator.
Accordingly, it is an object of the present invention to provide a post insulator of a delta-type.
In order to solve the technical problems, the invention provides the following technical scheme: a triangle fixed post insulator comprises a bracket main body, a bracket rod and a foot block, wherein the bracket main body comprises a middle block connected with the insulator, the bracket rod is rotationally connected with the middle block, the foot block is hinged with the lower end of the bracket rod, and the foot block is in threaded connection with a cross arm; the mounting assembly comprises a connecting rod connected to the middle block in a sliding manner and a locking piece arranged on the connecting rod; and an adjustment component disposed on the middle block.
As a preferable aspect of the triangle fixed post insulator of the present invention, wherein: the two support rods are arranged, the rotating planes are vertical planes, the included angle between the two support rods is 70-80 degrees, the foot blocks extend downwards out of the connecting plate, and threaded holes are formed in the connecting plate.
As a preferable aspect of the triangle fixed post insulator of the present invention, wherein: the locking piece comprises a mounting hole arranged on the middle block, a plurality of grooves arranged in the mounting hole and a plurality of spring steel balls arranged on the side wall of the connecting rod,
the spring steel balls comprise springs connected with the connecting rods and steel balls fixedly connected with the springs, and the steel balls are matched with the grooves.
As a preferable aspect of the triangle fixed post insulator of the present invention, wherein: the adjusting component comprises a clamping frame rotationally connected to the cross arm, a throwing block rotationally connected to the clamping frame and a throwing rod connected to the throwing block in a sliding mode, a rack is arranged at the rear end of the throwing rod, a driving gear meshed with the rack is rotationally connected to the throwing block, a driven gear is arranged at the downward extending end of a rotating shaft of the driving gear, annular teeth meshed with the driven gear are arranged on the clamping frame, an operating part is arranged on the clamping frame,
and a transition piece is arranged between the rack and the insulator.
As a preferable aspect of the triangle fixed post insulator of the present invention, wherein: the operating parts include the operation piece that sets up on the card frame, rotate the worm that connects on the operation piece and with worm mesh's turbine, the pivot of turbine links to each other with the pivot of throwing in the piece, operating handle is stretched out to the worm rear end.
As a preferable aspect of the triangle fixed post insulator of the present invention, wherein: the transition piece comprises a sliding groove arranged at the front end of the rack, a sliding rod connected in the sliding groove in a sliding way and a rotating rod arranged on the sliding rod and extending out, a sliding rail matched with the rotating rod is arranged on the side wall of the sliding groove,
and the upper end of the rack is provided with a matching groove matched with the sliding rod.
As a preferable aspect of the triangle fixed post insulator of the present invention, wherein: the upper end of the sliding rod is connected with a moving rod in a sliding mode, and a grabbing piece is arranged at the front end of the moving rod.
As a preferable aspect of the triangle fixed post insulator of the present invention, wherein: the grabbing piece comprises a first grabbing rod, a second grabbing rod hinged to the first grabbing rod and a meshing gear arranged at the tail ends of the first grabbing rod and the second grabbing rod, and a stepping motor is arranged on the meshing gear.
The invention has the beneficial effects that: the traditional single support is changed into the double support, the supporting height of the insulator is reduced, and from the mechanical angle, the higher the height, the smaller the transverse stress is, the insulator support bolt is reduced to 100mm and is fixedly arranged at the bolt hole at the top end of the triangular frame, and the design and the use of the bolt connection have the advantages that the insulator is convenient to replace when damaged, the whole insulator is not replaced together when the insulator needs to be replaced, and the working strength and the cost fund are increased; the whole tripod is in an isosceles triangle shape, the two bevel edges are 200mm long respectively, the vertex angle is 70-80 degrees, the top ends of the two bevel edges are connected through bolts m16 x 35 respectively, the bottom parts of the two bevel edges are fixed on the two cross arms and the double top sleeves through bolts m16 x 35 respectively, the distance between the two cross arms and the double top sleeves is about 200-250 mm, the tripod can be firmly fixed on the cross arms and the double top sleeves by adjusting the top bolts of the two bevel edges to proper positions to screw and fix the top bolts and the bottom bolts along with the change of the installation position distance of the cross arms, and the tension direction borne by the insulator is transmitted to an inclined supporting point, so that the phenomena of deformation and bending caused by uneven stress on the two sides of the insulator are effectively solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic view of the overall structure of the triangular fixed post insulator of the present invention.
Fig. 2 is a schematic view of an explosion structure of the insulator and the middle block of the triangular fixed post insulator of the invention.
Fig. 3 is a schematic structural view of an adjusting assembly of the triangular fixed post insulator of the present invention.
Fig. 4 is an exploded view of the transition piece structure of the triangular fixed post insulator of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Furthermore, the present invention is described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, the cross-sectional view illustrating the structure of the device is not enlarged partially according to the general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Example 1
Referring to fig. 1-4, a triangle fixed post insulator includes a bracket main body 100, in this embodiment, the bracket main body 100 is a component which is arranged on a cross arm and used for supporting, the bracket main body 100 includes a middle block 101 connected with an insulator 104, the middle block 101 is in a block shape, is made of stainless steel or alloy steel, and has a relatively high hardness, two ends of the middle block 101 are rotatably connected with bracket rods 102, the bracket rods 102 are provided with two, a rotation plane of the bracket rods 102 is a vertical plane, a foot block 103 is hinged at a lower end of the bracket rods 102, and the foot block 103 is in threaded connection with the cross arm.
Further, the present invention further includes a mounting assembly 200, in this embodiment, the mounting assembly 200 includes a connecting rod 201 slidably connected to the middle block 101 and a locking member 202 disposed on the connecting rod 201, the connecting rod 201 is vertically disposed and is mounted at a middle position of the middle block 101, and the locking member 202 is used for locking a mounting position of the insulator 104.
Furthermore, the included angle between the two support rods 102 is 70 ° to 80 °, a connecting plate extends downwards from the foot block 103, and a threaded hole is formed in the connecting plate, in this embodiment, the locking member 202 includes a mounting hole 202a formed in the middle block 101, the mounting hole 202a penetrates through the upper and lower ends of the middle block 101, a plurality of grooves 202b are further formed in the side wall of the mounting hole 202a, the grooves 202b are formed along an annular shape, and a plurality of rows are formed in the length direction of the mounting hole 202a, and a plurality of spring steel balls 202c are arranged on the side wall of the connecting rod 201, wherein the spring steel balls 202c include springs connected with the connecting rod 201 and steel balls fixedly connected with the springs, and the steel balls are matched with the grooves 202b, so that the positions of the support rods 102 can be adjusted by matching the spring steel balls 202c with the grooves 202b at different positions.
Further, in this embodiment, the adjusting assembly 300 includes a card holder 301 rotatably connected to the upper end of the cross arm, a throwing block 302 is rotatably connected to the card holder 301, the card holder 301 is shaped like an "L", the throwing block 302 is disposed at the long end of the card holder 301, a throwing rod 303 is disposed at the end of the throwing block 302 away from the card holder 301, a rack 304 is disposed at the rear end of the throwing rod 303, a driving gear 305 engaged with the rack 304 is rotatably connected to the throwing block 302, a driven gear 306 is disposed at the end of the driving gear 305 extending downward, a ring gear 307 engaged with the driven gear 306 is disposed on the card holder 301, the ring arc length of the ring gear 307 is a quarter circle, and when the driving gear 305 moves, the rack 304 is driven to rotate from the vertical direction to the horizontal position (and the horizontal position of the throwing rod 303 is also an initial position), and the insulator 104 is ready to be installed, and the height position is flush with the highest position of the chain, and an operating member 400 is arranged on the card holder 301.
Further, in this embodiment, the operating member 400 includes an operating block disposed on the card holder 301, the operating block extends upward from the middle section of the card holder 301 and is connected to the upper end of the cross arm, a worm 401 is rotatably connected to the operating block, a worm wheel 402 meshed with the worm 401 is rotatably connected to the card holder 301, the rotation plane of the worm wheel 402 is vertically disposed, a motor 403 extends outward from the end of the worm 401, the motor 403 is controlled by an operator, and the rotation shaft of the worm wheel 402 is connected to the rotation shaft of the throw-in block 302.
Further, the transition piece is including offering the groove 501 that slides at rack 304 front end, slide and connect the slide bar 502 in the groove 501 that slides and set up the dwang 503 that stretches out on slide bar 502, set up on the lateral wall of groove 501 that slides and dwang 503 complex slide rail 504, rack 304 upper end is seted up with slide bar 502 complex cooperation groove, slide bar upper end slides and is connected with the carriage release lever, the carriage release lever front end is provided with grabs the piece, it includes first grabbing the pole, snatch the pole and set up at first grabbing pole and the terminal meshing gear of second grabbing pole with first grabbing pole articulated second, be provided with step motor 403 on the meshing gear.
The operation process is as follows: when the insulator 104 is installed, the insulator 104 is placed at the position of the throwing block 302 and is clamped on a throwing plate at the lower end of the clamping frame 301, then an operator rotates the operating handle to rotate the throwing block 302 by using the worm 401 of the worm wheel 402, meanwhile, the throwing rod 303 drives the throwing rod 303 to rotate to the vertical direction from the horizontal direction because the shape of the annular tooth 307 is a quarter of an arc, and meanwhile, the throwing rod 303 is driven by the rack 304 to install the insulator 104 on the middle block 101.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (8)
1. The utility model provides a fixed post insulator of triangle which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the bracket comprises a bracket main body (100) and a bracket body, wherein the bracket main body comprises a middle block (101) connected with an insulator (104), a bracket rod (102) rotatably connected with the middle block (101) and a foot block (103) hinged with the lower end of the bracket rod (102), and the foot block (103) is in threaded connection with a cross arm;
the mounting assembly (200) comprises a connecting rod (201) connected to the middle block (101) in a sliding mode and a locking piece (202) arranged on the connecting rod (201); and the number of the first and second groups,
an adjustment assembly (300), the adjustment assembly (300) being disposed on the intermediate block (101).
2. The fixed post insulator of triangle of claim 1, wherein: the two support rods (102) are arranged, the rotating plane is a vertical plane, the included angle between the two support rods (102) is 70-80 degrees, the foot blocks (103) extend downwards out of the connecting plate, and threaded holes are formed in the connecting plate.
3. The fixed post insulator of triangle of claim 1, wherein: the locking piece (202) comprises a mounting hole (202a) arranged on the middle block (101), a plurality of grooves (202b) arranged in the mounting hole (202a) and a plurality of spring steel balls (202c) arranged on the side wall of the connecting rod (201),
the spring steel ball (202c) comprises a spring connected with the connecting rod (201) and a steel ball fixedly connected with the spring, and the steel ball is matched with the groove (202 b).
4. The fixed post insulator of triangle of claim 1, wherein: the adjusting component (300) comprises a clamping frame (301) connected to the cross arm in a rotating mode, a throwing block (302) connected to the clamping frame (301) in a rotating mode and a throwing rod (303) connected to the throwing block (302) in a sliding mode, a rack (304) is arranged at the rear end of the throwing rod (303), a driving gear (305) meshed with the rack (304) is connected to the throwing block (302) in a rotating mode, a driven gear (306) is arranged at the downward extending end of a rotating shaft of the driving gear (305), annular teeth (307) meshed with the driven gear (306) are arranged on the clamping frame (301), an operating piece (400) is arranged on the clamping frame (301),
a transition piece is arranged between the rack (304) and the insulator (104).
5. The fixed post insulator of triangle of claim 4, wherein: the operating part (400) comprises an operating block arranged on the clamping frame (301), a worm (401) rotationally connected to the operating block and a turbine (402) meshed with the worm (401), a rotating shaft of the turbine (402) is connected with a rotating shaft of the throwing block (302), and a motor (403) is arranged at the rear end of the worm (401).
6. The fixed post insulator of triangle of claim 5, wherein: the transition piece comprises a sliding groove (501) arranged at the front end of the rack (304), a sliding rod (502) connected in the sliding groove (501) in a sliding way and a rotating rod (503) arranged on the sliding rod (502) and extending out, a sliding rail (504) matched with the rotating rod (503) is arranged on the side wall of the sliding groove (501),
wherein the sliding groove (501) is communicated upwards.
7. The fixed post insulator of triangle of claim 6, wherein: the upper end of the sliding rod is connected with a moving rod in a sliding mode, and a grabbing piece is arranged at the front end of the moving rod.
8. The fixed post insulator of triangle of claim 7, wherein: the grabbing piece comprises a first grabbing rod, a second grabbing rod hinged to the first grabbing rod and a meshing gear arranged at the tail ends of the first grabbing rod and the second grabbing rod, and a stepping motor (403) is arranged on the meshing gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111383111.1A CN114121388A (en) | 2021-11-22 | 2021-11-22 | Triangle fixed post insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111383111.1A CN114121388A (en) | 2021-11-22 | 2021-11-22 | Triangle fixed post insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114121388A true CN114121388A (en) | 2022-03-01 |
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ID=80439047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111383111.1A Pending CN114121388A (en) | 2021-11-22 | 2021-11-22 | Triangle fixed post insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114121388A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115376766A (en) * | 2022-08-17 | 2022-11-22 | 云南电力技术有限责任公司 | Novel magnetic ring insulator for inhibiting transmission line lightning wave propagation |
| CN115579821A (en) * | 2022-11-09 | 2023-01-06 | 国网山东省电力公司莒南县供电公司 | Electric power transmission equipment and transmission control system |
-
2021
- 2021-11-22 CN CN202111383111.1A patent/CN114121388A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115376766A (en) * | 2022-08-17 | 2022-11-22 | 云南电力技术有限责任公司 | Novel magnetic ring insulator for inhibiting transmission line lightning wave propagation |
| CN115579821A (en) * | 2022-11-09 | 2023-01-06 | 国网山东省电力公司莒南县供电公司 | Electric power transmission equipment and transmission control system |
| CN115579821B (en) * | 2022-11-09 | 2023-11-14 | 国网山东省电力公司莒南县供电公司 | Power transmission equipment and transmission control system |
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