CN112053812B - Spliced ceramic insulator with reinforcing rib structure - Google Patents
Spliced ceramic insulator with reinforcing rib structure Download PDFInfo
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- CN112053812B CN112053812B CN202010925602.3A CN202010925602A CN112053812B CN 112053812 B CN112053812 B CN 112053812B CN 202010925602 A CN202010925602 A CN 202010925602A CN 112053812 B CN112053812 B CN 112053812B
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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
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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
- H01B17/38—Fittings, e.g. caps; Fastenings therefor
Abstract
The invention relates to the technical field of power transmission lines, in particular to a spliced ceramic insulator with a reinforcing rib structure, which comprises a base, wherein a mounting foot is fixedly arranged on the base, a screw rod is fixedly arranged on the base, a connecting monomer is connected onto the screw rod in a threaded manner, a spring is fixedly arranged on the connecting monomer, a reinforcing rib is hinged onto the connecting monomer, the reinforcing rib is hinged onto a sliding block, the sliding block is connected into a sliding groove in a sliding manner, an insulator monomer is fixedly connected onto the connecting monomer, and a core rod is arranged in the insulator monomer; the whole insulator is mainly formed by splicing individual insulator monomers, the length of the insulator can be controlled within an optional range, the insulator can be spliced very conveniently, the compression bar made of memory alloy is adopted, the insulator is assembled at a high temperature state, the insulator can be stably connected after being recovered to a normal temperature, the deformation temperature of the memory compression bar cannot be reached under the normal use state of the insulator, and the use safety of the insulator is ensured.
Description
Technical Field
The invention relates to the technical field of power transmission lines, in particular to a spliced ceramic insulator with a reinforcing rib structure.
Background
The insulator is a special insulating control and can play an important role in an overhead transmission line. Insulator is used for the wire pole more in the early years, and the creepage distance can be increased to the insulator that is used for high type high tension cable connecting tower more now, guarantees transmission line's security, and the insulator can carry out simple division according to the material, and ceramic insulator is exactly one kind most commonly used.
However, in the process of line erection at present, due to the fact that the distances between cables are different, power grid operators often need to select insulators with different lengths temporarily according to the distances between different cables, the types of the insulators are very complicated, investment cost of ceramic shed firing molds produced by manufacturers is very high, meanwhile, the insulators are of an integrated structure and do not have length adjusting capacity, and if calculation errors exist in advance, problems can occur in the process of field cable erection.
Disclosure of Invention
The invention aims to provide a spliced ceramic insulator with a reinforcing rib structure, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a spliced ceramic insulator with a reinforcing rib structure comprises a base, wherein a mounting foot is fixedly mounted on the base, a screw rod is fixedly mounted on the base, a connecting monomer is connected onto the screw rod in a threaded manner, a spring is fixedly mounted on the connecting monomer, reinforcing ribs are hinged onto the connecting monomer, the reinforcing ribs are hinged onto a sliding block, the sliding block is connected into a sliding groove in a sliding manner, an insulator monomer is fixedly connected onto the connecting monomer, a core rod is arranged in the insulator monomer, a cavity is formed in the core rod, a guide sleeve is fixedly mounted in the cavity, a sliding sleeve is connected into the guide sleeve in a sliding manner, a notch is formed in the sliding sleeve, a clamping ball is movably connected into the notch, a memory pressure rod is fixedly connected into the guide sleeve, a jack is formed in the memory pressure rod, a limiting block is fixedly mounted on the core rod, and a limiting groove is formed in the core rod, and the limiting groove is fixedly provided with a splicing rod, and the splicing rod is provided with a clamping groove.
Preferably, the base is of a disc-shaped structure, two mounting feet are symmetrically arranged on the base, and threaded holes are formed in the mounting feet.
Preferably, the screw rod is installed in the upper surface center department of base, and connects the internal thread that the monomer passes through its middle part and be connected with the screw rod, it is located between base and the insulator monomer to connect the monomer, and spring coupling is between screw rod and connection monomer screw inner wall.
Preferably, the sliding groove is formed in the upper surface of the base, the sliding block slides in the sliding groove in a limiting mode, and the reinforcing ribs are connected between the connecting single bodies and the sliding block in an inclined mode.
Preferably, the insulator monomer comprises plug and ceramic full skirt, and the plug is cylindrical structure, is located ceramic full skirt middle part, the uide bushing is the cup type, and the bottom lateral wall of uide bushing is provided with outer oblique angle, the breach sets up in the interlayer department of sliding sleeve, and breach and card ball are supporting to be provided with three groups, the middle part of uide bushing and sliding sleeve is provided with the opening.
Preferably, the memory pressure lever is fixedly connected to the top of the cavity, the memory pressure lever is made of two-way memory effect alloy, and the insertion hole is formed in the bottom of the memory pressure lever.
Preferably, the limiting block is a hexagonal block and is located at the bottom of the core rod, the limiting groove is located at the top of the core rod, the shape of the limiting groove is the same as that of the limiting block, the splicing rod is installed at the top of the core rod, and the clamping grooves are annularly formed in the side wall of the splicing rod.
Compared with the prior art, the invention has the beneficial effects that:
1. the whole insulator is mainly formed by splicing individual insulator monomers, a certain amount of insulator monomers can be selected according to the distance between a cable and the cable to be spliced when the insulator is used, so that a complete insulator can be formed, the length of the insulator can be controlled in any range, the insulator is very convenient to splice, the insulator is assembled at a high temperature by adopting a pressure rod made of memory alloy materials, the insulator can be stably connected after being recovered to normal temperature, the deformation temperature of the memory pressure rod cannot be reached under the normal use state of the insulator, the safety of the use of the insulator is ensured, meanwhile, the insulator can be produced by only using a single mold, and the mold cost is saved;
2. according to the invention, the integral height of the insulator can be controlled according to the number of the insulator monomers, meanwhile, the fine adjustment of the height of the insulator can be carried out through the connecting monomers, the elastic force of the arranged spring can eliminate a thread clearance, the stability of the connecting monomers is improved, the reinforcing ribs are obliquely connected between the connecting monomers and the sliding blocks, the supporting effect can be achieved, and the sliding blocks at the end parts of the reinforcing ribs can slide in the sliding grooves along with the adjustment of the positions of the connecting monomers, so that the angle is changed to adapt to and maintain the supporting effect.
Drawings
FIG. 1 is a cross-sectional view of a structure of the present invention;
FIG. 2 is a schematic view of the splice structure of the present invention;
fig. 3 is an enlarged schematic view of the area a in bitmap 2.
In the figure: the device comprises a base 1, a mounting foot 2, a screw rod 3, a connecting single body 4, a spring 5, a reinforcing rib 6, a sliding block 7, a sliding groove 8, an insulator single body 9, a core rod 10, a cavity 11, a guide sleeve 12, a sliding sleeve 13, a notch 14, a clamping ball 15, a memory pressing rod 16, a jack 17, a limiting block 18, a limiting groove 19, a splicing rod 20 and a clamping groove 21.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: a spliced ceramic insulator with a reinforcing rib structure comprises a base 1, wherein a mounting foot 2 is fixedly mounted on the base 1, a screw rod 3 is fixedly mounted on the base 1, a connecting monomer 4 is connected to the screw rod 3 in a threaded manner, a spring 5 is fixedly mounted on the connecting monomer 4, a reinforcing rib 6 is hinged to the connecting monomer 4, the reinforcing rib 6 is hinged to a sliding block 7, the sliding block 7 is connected to a sliding groove 8 in a sliding manner, an insulator monomer 9 is fixedly connected to the connecting monomer 4, a core rod 10 is arranged in the insulator monomer 9, a cavity 11 is formed in the core rod 10, a guide sleeve 12 is fixedly mounted in the cavity 11, a sliding sleeve 13 is connected to the guide sleeve 12 in a sliding manner, a notch 14 is formed in the sliding sleeve 13, a clamping ball 15 is movably connected to the notch 14, a memory pressure rod 16 is fixedly connected to the guide sleeve 12, and a jack 17 is formed in the memory pressure rod 16, the core rod 10 is fixedly provided with a limiting block 18, the core rod 10 is provided with a limiting groove 19, a splicing rod 20 is fixedly arranged in the limiting groove 19, and the splicing rod 20 is provided with a clamping groove 21.
The base 1 is of a disc-shaped structure, two mounting feet 2 are symmetrically arranged on the base 1, threaded holes are formed in the mounting feet 2, and the base 1 is fixedly mounted on the power transmission tower through connection of bolts and the mounting feet 2, so that the whole insulator is mounted;
the screw rod 3 is installed in the center of the upper surface of the base 1, the connecting monomer 4 is connected with the screw rod 3 through an internal thread in the middle of the connecting monomer 4, the connecting monomer 4 is located between the base 1 and the insulator monomer 9, the spring 5 is connected between the screw rod 3 and the inner wall of a screw hole of the connecting monomer 4, the connecting monomer 4 serves as a transfer piece, the connecting monomer 4 is installed through the screw rod 3, the connecting monomer 4 is connected with the insulator monomer 9, therefore, the lowermost insulator monomer 9 is connected with the base 1, the connecting monomer 4 can rotate on the screw rod 3 to finely adjust the position in the vertical direction, and the elasticity of the spring 5 is beneficial to eliminating gaps and increasing the stability of the connecting monomer 4;
the sliding groove 8 is arranged on the upper surface of the base 1, the sliding block 7 slides in the sliding groove 8 in a limiting mode, the reinforcing rib 6 is obliquely connected between the connecting single body 4 and the sliding block 7, the reinforcing rib 6 can play a supporting role, and the sliding block 7 at the end part of the reinforcing rib 6 can slide in the sliding groove 8 along with the adjustment of the position of the connecting single body 4, so that the angle is changed to adapt to and maintain the supporting role;
the insulator single body 9 is composed of a core rod 10 and a ceramic umbrella skirt, the core rod 10 is of a cylindrical structure and is positioned in the middle of the ceramic umbrella skirt, the guide sleeve 12 is of a cup shape, the side wall of the bottom of the guide sleeve 12 is provided with an outer oblique angle, the notch 14 is arranged at the interlayer of the sliding sleeve 13, three groups of notches 14 and clamping balls 15 are arranged in a matched manner, openings are formed in the middle parts of the guide sleeve 12 and the sliding sleeve 13, the core rod 10 serves as a main splicing structure, when the sliding sleeve 13 is not blocked by external force, the splicing rod 20 is inserted between the sliding sleeve 13, the clamping balls 15 can be extruded, the clamping balls 15 and the sliding sleeve 13 simultaneously slide to the wide upper part of the guide sleeve 12, the clamping balls 15 have a movable gap, the middle space can be made to be opened, and the splicing rod 20 is inserted into the middle part of the sliding sleeve 13 through the three clamping balls;
the memory pressure lever 16 is fixedly connected to the top of the cavity 11, the memory pressure lever 16 is made of a two-way memory effect alloy, the jack 17 is formed in the bottom of the memory pressure lever 16, the memory pressure lever 16 retracts at a high temperature state, so that a sliding space of the sliding sleeve 13 is made available for splicing the splicing rods 20, after the normal temperature is recovered, the memory pressure lever 16 recovers deformation and elongation and extrudes the sliding sleeve 13, the sliding sleeve 13 drives the clamping ball 15 to slide to a narrow part of the lower part of the guide sleeve 12, the clamping ball 15 has no moving space, so that the splicing rods 20 are prevented from being pulled out, and in the normal use process of the insulator, the deformation temperature of the memory pressure lever 16 cannot be brought, and the connection stability can be kept;
the limiting block 18 is a hexagonal block and is positioned at the bottom of the core rod 10, the limiting groove 19 is positioned at the top of the core rod 10, the shape of the limiting groove 19 is the same as that of the limiting block 18, the splicing rod 20 is installed at the top of the core rod 10, three clamping grooves 21 are annularly arranged on the side wall of the splicing rod 20, two adjacent insulator single bodies 9 are spliced with each other through the core rod 10, the splicing rod 20 of the insulator single body 9 at the bottom is inserted into the core rod 10 of the insulator single body 9 at the upper part, and the clamping ball 15 is clamped in the clamping groove 21 to fix the splicing rod 20, so that rapid splicing is completed, the limiting block 18 is clamped with the limiting groove 19 in a matched mode, and the insulator single bodies 9 are prevented from rotating;
the working principle is as follows: when in use, the insulator is integrally spliced, the insulator is mainly formed by splicing insulator monomers 9 one by one to form a columnar main body, meanwhile, the connecting monomers 4 are used as a transfer piece, the connecting monomers 4 are installed through the screw rods 3, the connecting monomers 4 are connected with the insulator monomers 9, so that the lowermost insulator monomers 9 are connected with the base 1, the number of the insulator monomers 9 is selected according to the length of a cable to be borne, then, the two adjacent insulator monomers 9 are assembled one by one, high temperature is applied to the insulator monomers 9 during assembly, the memory pressure rod 16 can retract under the high temperature state, so that a sliding space of the sliding sleeve 13 is reserved, the splicing rod 20 of the insulator monomers 9 at the bottom is spliced into the core rod 10 of the insulator monomers 9 at the upper part, the splicing rod 20 is inserted between the sliding sleeves 13, and the clamping ball 15 can be extruded, so that the clamping balls 15 and the sliding sleeve 13 simultaneously slide to the upper wide part of the guide sleeve 12, the clamping balls 15 have a movable gap to open the middle space, the splicing rod 20 is inserted into the middle part of the sliding sleeve 13 through the three clamping balls, then the insulator monomers are restored to the normal temperature state, the memory pressure rod 16 restores the deformation and extension and can extrude the sliding sleeve 13, so that the sliding sleeve 13 drives the clamping balls 15 to slide to the lower narrow part of the guide sleeve 12, the clamping balls 15 have no movable space, the clamping balls 15 are clamped in the clamping grooves 21 to fix the splicing rod 20, the splicing rod 20 is prevented from being pulled out, the splicing of two adjacent insulator monomers 9 is completed, the limiting blocks 18 are matched and clamped with the limiting grooves 19, the insulator monomers 9 are prevented from rotating, one insulator with a certain height can be obtained after the splicing of a certain number of insulator monomers, and in the normal use process of the insulator, the deformation temperature of the memory pressure lever 16 can not be reached, and the connection can be kept stable; after the whole concatenation of insulator is accomplished, be connected base 1 fixed mounting on the transmission tower through bolt and installation foot 2, thereby make the insulator monolithic stationary use, bear the cable, increase creepage distance, and at this moment, will connect monomer 4 and rotate on the screw thread of screw rod 3, can also carry out the fine setting of insulator height through lift connection monomer 4, and spring 5's elasticity helps eliminating the clearance, increase connection monomer 4's steadiness, the slope of strengthening rib 6 is connected between connection monomer 4 and slider 7, strengthening rib 6 can play the supporting role, and along with the regulation of connecting monomer 4 position, tip slider 7 of strengthening rib 6 can slide in spout 8, thereby change the angle in order to adapt to, maintain the supporting role.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a concatenation type ceramic insulator with strengthening rib structure, includes base (1), its characterized in that: the base (1) is fixedly provided with a mounting foot (2), the base (1) is fixedly provided with a screw rod (3), the screw rod (3) is connected with a connecting monomer (4) in a threaded manner, the connecting monomer (4) is fixedly provided with a spring (5), the connecting monomer (4) is hinged with a reinforcing rib (6), the reinforcing rib (6) is hinged on a sliding block (7), the sliding block (7) is connected in a sliding groove (8) in a sliding manner, the connecting monomer (4) is fixedly connected with an insulator monomer (9), a core rod (10) is arranged in the insulator monomer (9), a cavity (11) is arranged in the core rod (10), a guide sleeve (12) is fixedly arranged in the cavity (11), the guide sleeve (12) is connected with a sliding sleeve (13) in a sliding manner, a notch (14) is arranged on the sliding sleeve (13), and a clamping ball (15) is movably connected in the notch (14), a memory pressure rod (16) is fixedly connected in the guide sleeve (12), an insertion hole (17) is formed in the memory pressure rod (16), a limiting block (18) is fixedly installed on the core rod (10), a limiting groove (19) is formed in the core rod (10), a splicing rod (20) is fixedly installed in the limiting groove (19), and a clamping groove (21) is formed in the splicing rod (20);
when in use, the insulator is integrally spliced, the insulator is mainly formed by splicing insulator monomers (9) one by one to form a columnar main body, meanwhile, the connecting monomer (4) is used as a transfer piece, the connecting monomer (4) is installed through the screw rod (3), the connecting monomer (4) is connected with the insulator monomers (9), so that the lowest insulator monomer (9) is connected with the base (1), the number of the insulator monomers (9) is selected according to the length of a cable to be borne, then, the two adjacent insulator monomers (9) are assembled one by one, high temperature is applied to the insulator monomers (9) during assembly, the memory pressure rod (16) can retract under the high temperature state, so that the sliding space of the sliding sleeve (13) is reserved, the rod (20) of the insulator monomer (9) at the bottom is inserted into the core rod (10) of the splicing monomer (9) at the upper part, splice bar (20) insert between sliding sleeve (13), can extrude card ball (15), make card ball (15) and sliding sleeve (13) simultaneously go up the upper portion broad position of uide bushing (12), card ball (15) have the clearance of activity, can let out the middle part space, make splice bar (20) insert sliding sleeve (13) middle part between three card ball, resume the normal atmospheric temperature state with the insulator monomer afterwards, memory depression bar (16) resume deformation extension, can extrude sliding sleeve (13), thereby make sliding sleeve (13) drive card ball (15) to slide to the narrow position in lower part of uide bushing (12), card ball (15) do not have the activity space, and card ball (15) joint is fixed splice bar (20) in draw-in groove (21), prevent splice bar (20) to extract, the concatenation of two adjacent insulator monomers (9) has been accomplished.
2. The spliced ceramic insulator with the reinforcing rib structure as claimed in claim 1, wherein: the base (1) is of a disc-shaped structure, two mounting feet (2) are symmetrically arranged on the base (1), and threaded holes are formed in the mounting feet (2).
3. The spliced ceramic insulator with the reinforcing rib structure as claimed in claim 1, wherein: screw rod (3) are installed in the upper surface center department of base (1), and connect monomer (4) and be connected with screw rod (3) through the internal thread in its middle part, it is located between base (1) and insulator monomer (9) to connect monomer (4), and spring (5) are connected between screw rod (3) and connection monomer (4) screw inner wall.
4. The spliced ceramic insulator with the reinforcing rib structure as claimed in claim 1, wherein: the sliding groove (8) is arranged on the upper surface of the base (1), the sliding block (7) slides in the sliding groove (8) in a limiting mode, and the reinforcing rib (6) is connected between the connecting single body (4) and the sliding block (7) in an inclined mode.
5. The spliced ceramic insulator with the reinforcing rib structure as claimed in claim 1, wherein: insulator monomer (9) comprises plug (10) and ceramic full skirt, and plug (10) are cylindrical structure, are located ceramic full skirt middle part, uide bushing (12) are the cup type, and the bottom lateral wall of uide bushing (12) is provided with outer oblique angle, breach (14) set up the interlayer department at sliding sleeve (13), and breach (14) and card ball (15) are supporting to be provided with three groups, the middle part of uide bushing (12) and sliding sleeve (13) is provided with the opening.
6. The spliced ceramic insulator with the reinforcing rib structure as claimed in claim 1, wherein: the memory pressing rod (16) is fixedly connected to the top of the cavity (11), the memory pressing rod (16) is made of a two-way memory effect alloy, and the insertion hole (17) is formed in the bottom of the memory pressing rod (16).
7. The spliced ceramic insulator with the reinforcing rib structure as claimed in claim 1, wherein: the limiting block (18) is a hexagonal block and is located at the bottom of the core rod (10), the limiting groove (19) is located at the top of the core rod (10), the shape of the limiting groove (19) is the same as that of the limiting block (18), the splicing rods (20) are installed at the top of the core rod (10), and the clamping grooves (21) are annularly arranged on the side wall of the splicing rods (20) in three.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010925602.3A CN112053812B (en) | 2020-09-07 | 2020-09-07 | Spliced ceramic insulator with reinforcing rib structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010925602.3A CN112053812B (en) | 2020-09-07 | 2020-09-07 | Spliced ceramic insulator with reinforcing rib structure |
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| CN112053812A CN112053812A (en) | 2020-12-08 |
| CN112053812B true CN112053812B (en) | 2022-08-02 |
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| CN209895853U (en) * | 2019-07-10 | 2020-01-03 | 萍乡华通电瓷制造有限公司 | Assembled electric porcelain insulator |
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| DE19856123C2 (en) * | 1998-12-04 | 2000-12-07 | Siemens Ag | Hollow insulator |
| DE10154325A1 (en) * | 2001-10-25 | 2003-05-08 | Hesta Graham Gmbh & Co Kg | Height adjustment device for blow mandrel of blow molding machine, translates horizontal adjustment stroke of screw into vertical adjustment stroke of blow mandrel |
| US9419424B2 (en) * | 2011-08-24 | 2016-08-16 | Abb Schweiz Ag | Switchgear bus support bushing structure |
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| CN1042263A (en) * | 1988-10-14 | 1990-05-16 | 日本碍子株式会社 | Composite insulator of fix optical fibre in composite insulator and manufacture method thereof |
| CN2068718U (en) * | 1990-04-10 | 1991-01-02 | 能源部武汉高压研究所 | Combined dirt-proof insulator |
| JP2002001814A (en) * | 2000-06-23 | 2002-01-08 | Kansai Electric Power Co Inc:The | Ambient temperature shrinkage tube |
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