CN215417701U - Shockproof rod-shaped suspension type porcelain insulator - Google Patents
Shockproof rod-shaped suspension type porcelain insulator Download PDFInfo
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- CN215417701U CN215417701U CN202121809219.8U CN202121809219U CN215417701U CN 215417701 U CN215417701 U CN 215417701U CN 202121809219 U CN202121809219 U CN 202121809219U CN 215417701 U CN215417701 U CN 215417701U
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Abstract
The utility model discloses a shockproof clavate suspension type porcelain insulator which comprises a clavate porcelain body, an upper metal piece and a lower metal piece, wherein the upper metal piece and the lower metal piece are respectively connected to the upper end and the lower end of the clavate porcelain body through a first bonding layer and a second bonding layer, a pressure spring assembly is arranged at the top of the upper metal piece, and the top of the upper metal piece is connected with a pin joint seat through the pressure spring assembly. The shockproof rod-shaped suspension type porcelain insulator can buffer the tensile force of vibration and reciprocating impact, and improves the shock-resistant tensile strength of the porcelain insulator.
Description
Technical Field
The utility model relates to the technical field of insulators, in particular to a shockproof rod-shaped suspension type porcelain insulator.
Background
Suspension insulators are generally made up of an insulating part, i.e. a porcelain part, and metal accessories, such as steel feet, iron caps, etc., glued with an adhesive or mechanically clamped. The insulator is widely applied in a power system, generally belongs to external insulation, and works under the atmospheric condition. The buses of overhead transmission lines, power plants and substations and the external live conductors of various electrical equipment are supported by insulators and insulated from the earth or ground or other conductors having potential differences.
The insulators adopted on the transmission line are divided into two main types according to the structural form, namely a disc suspension type and a rod suspension type, and the rod suspension type insulator is widely applied to the high-voltage transmission and transformation line, and has the following advantages: the size is small, the weight is light, and the weight is 50% of that of the disc-shaped porcelain insulator; the electric porcelain material has no aging and deterioration problems and long service life; the device belongs to a non-breakdown type, and zero value detection is not needed; the umbrella shape is an open aerodynamic shape, has good self-cleaning performance and does not need cleaning; the unit height creepage distance is much larger than that of a disc-shaped porcelain insulator with two umbrellas or three umbrellas, so that the pollution flashover voltage can be improved; because of the matched arc attracting angle and the grading ring, the corona voltage and the arc resistance level can be improved.
However, the rod-shaped suspension insulator is an important task for suspending wires and insulating iron towers, and supports and suspends overhead wires, so that the high-altitude wires are subjected to large tensile force, and under the condition of long-time tensile force, looseness and even separation between the porcelain piece and the iron cap, and looseness and separation between the steel feet and the iron cap are easy to occur. The cement adhesive bonding layer is blown by wind power for a long time, and repeatedly impacts tension and vibration in the length direction, so that the cement adhesive bonding layer is easy to lose effectiveness and loosen. The damage occurs, which leads to the occurrence of abnormal accidents of the electric wire.
Therefore, it is necessary to develop a vibration-proof rod-shaped suspension porcelain insulator in view of the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a shockproof rod-shaped suspension type porcelain insulator which can buffer the tensile force of vibration and reciprocating impact and improve the shockproof tensile strength of the porcelain insulator.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model discloses a shockproof clavate suspension type porcelain insulator which comprises a clavate porcelain body, an upper metal piece and a lower metal piece, wherein the upper metal piece and the lower metal piece are respectively connected to the upper end and the lower end of the clavate porcelain body through a first bonding layer and a second bonding layer, a pressure spring assembly is arranged at the top of the upper metal piece, and the top of the upper metal piece is connected with a pin joint seat through the pressure spring assembly.
Furthermore, the pressure spring assembly comprises a connecting screw rod and a pressure spring, a base is arranged at the bottom end of the connecting screw rod, the base is installed in a pressure spring chamber at the top of the upper metal piece, and the pressure spring is sleeved on the connecting screw rod and is arranged between the base and the top wall of the pressure spring chamber; the top end of the connecting screw rod is in threaded connection with a threaded hole in the pin joint base plate.
Further, the pressure spring is a spiral cylindrical spring or a disc spring combination.
Furthermore, the connecting screw rod is further in threaded connection with a locking nut, and the locking nut is locked on the bottom surface of the base plate of the pin joint seat.
Further, a pin shaft hole is transversely formed between the rod-shaped porcelain body and the upper metal piece, and a first pin shaft is assembled in the pin shaft hole; and a pin shaft hole is transversely arranged between the rod-shaped porcelain body and the lower metal piece, and a second pin shaft is assembled in the pin shaft hole.
Furthermore, the gaps between the first pin shaft and the inner wall of the pin shaft hole and between the second pin shaft and the inner wall of the pin shaft hole are tightly filled with cement bonding glue.
Furthermore, the first pin shaft and the second pin shaft are made of high-strength rubber rods, glass fiber composite rods or porcelain rods.
Compared with the prior art, the utility model has the beneficial technical effects that:
according to the shockproof rod-shaped suspension porcelain insulator, the compression spring assembly is arranged at the top of the upper metal piece, and the pin joint seat is assembled through the compression spring assembly, so that impact tension and vibration borne by the suspension porcelain insulator after the suspension porcelain insulator is connected in series can be buffered. Under the impact, the pressure spring assembly can absorb the impact tensile stress of the impact peak value, so that the first bonding layer and the second bonding layer are reduced, and the vibration resistance of the suspension porcelain insulator is improved. The shockproof rod-shaped suspension type porcelain insulator can buffer the tensile force of vibration and reciprocating impact, and improves the shock-resistant tensile strength of the porcelain insulator.
In addition, the connecting screw is used as a tension bearing and transmitting part, so that the angle and the height position of the pin joint seat can be conveniently adjusted, and the installation is convenient; the disc spring combination is used as a pressure spring, so that larger impact tension can be borne; through the arrangement of the locking nut, the final position of the locking pin connecting seat is convenient, and the operation reliability of the equipment is improved. Through round pin axle connection bar shape porcelain body, last metalwork and lower metalwork of cross-under mode installation, improved the joint strength between the three, avoid appearing vibration or the easy problem of splitting of adhesive linkage under the thermal stress condition, mechanical type connected mode tensile strength is high. And meanwhile, the first pin shaft and the second pin shaft which are made of insulating materials have thermal expansion coefficients close to that of the clavate porcelain body, so that adverse effects of thermal stress cannot occur, and the reliability is high. The gap between the pin shaft and the inner wall of the through hole is filled with the dense cement bonding adhesive, so that the connection strength can be increased, and the condition of gap water inflow caused by looseness is avoided.
Drawings
The utility model is further illustrated in the following description with reference to the drawings.
FIG. 1 is a schematic view of a front half-section structure of the shockproof rod-shaped suspension porcelain insulator of the present invention;
fig. 2 is a schematic cross-sectional view of the upper portion of the upper metal part according to the present invention.
Description of reference numerals: 1. a rod-shaped ceramic body; 2. an upper metal piece; 201. a pressure spring chamber; 3. a lower metal piece; 4. a first adhesive layer; 5. a second adhesive layer; 6. a first pin shaft; 7. a second pin shaft; 8. connecting a screw rod; 801. a base; 9. a pin joint seat; 901. a threaded hole; 10. locking the nut; 11. and (5) pressing a spring.
Detailed Description
The core of the utility model is to provide the shockproof rod-shaped suspension type porcelain insulator which can buffer the tensile force of vibration and reciprocating impact and improve the shock-resistant tensile strength of the porcelain insulator.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In one embodiment, as shown in fig. 1 and 2, the shockproof rod-shaped suspension porcelain insulator comprises a rod-shaped porcelain body 1, an upper metal piece 2 and a lower metal piece 3, wherein the upper metal piece 2 and the lower metal piece 3 are respectively connected to the upper end and the lower end of the rod-shaped porcelain body 1 through a first adhesive layer 4 and a second adhesive layer 5. The first bonding layer 4 and the second bonding layer 5 adopt cement bonding glue. The bottom end of the lower metal piece 3 is provided with a pin shaft connecting hole piece. The top of the upper metal piece 2 is provided with a pressure spring assembly, and the pin joint seat 9 is connected through the pressure spring assembly.
Through setting up the pressure spring subassembly at the top of last metalwork 2 to through pressure spring subassembly assembly pin joint seat 9, can cushion the impact tension and the vibration that bear behind the suspension porcelain insulator series connection. Under the impact, the pressure spring assembly can absorb the impact tensile stress of the impact peak value, the first bonding layer 4 and the second bonding layer 5 are reduced, and the vibration resistance of the suspension porcelain insulator is improved. The shockproof rod-shaped suspension type porcelain insulator can buffer the tensile force of vibration and reciprocating impact, and improves the shock-resistant tensile strength of the porcelain insulator.
In an embodiment of the present invention, as shown in fig. 1 and 2, the pressure spring assembly includes a connection screw 8 and a pressure spring 11, a base 801 is welded to a bottom end of the connection screw 8, and the base 801 is installed in the pressure spring chamber 201 on the top of the upper metal part 2 and is coaxially disposed. The pressure spring chamber 201 is cylindrical and the bottom end of the pressure spring chamber is welded to the top surface of the upper metal part 2. The pressure spring 11 is sleeved on the connecting screw rod 8 and is arranged between the base 801 and the top wall of the pressure spring chamber 201. The top end of the connecting screw rod 8 is in threaded connection with a threaded hole 901 on the bottom plate of the pin joint seat 9.
Specifically, as shown in fig. 2, the compression spring 11 is a spiral cylindrical spring or a disc spring combination. The disc spring combination comprises a plurality of disc spring pieces connected in parallel.
Specifically, as shown in fig. 2, a lock nut 10 is further screwed on the connecting screw 8, and the lock nut 10 is locked on the bottom surface of the bottom plate of the pin joint 9.
The connecting screw rod 8 is used as a tension bearing and transferring part, so that the angle and the height position of the pin joint seat 9 can be conveniently adjusted, and the installation is convenient; the disc spring combination is adopted as the compression spring 11, so that larger impact tension can be borne; through the arrangement of the locking nut 10, the final position of the locking pin joint seat 9 is convenient, and the operation reliability of the equipment is improved.
In an embodiment of the present invention, as shown in fig. 1, a pin shaft hole is transversely provided between the rod-shaped porcelain body 1 and the upper metal piece 2, and a first pin shaft 6 is fitted in the pin shaft hole. A pin shaft hole is transversely arranged between the bar-shaped porcelain body 1 and the lower metal piece 3, and a second pin shaft 7 is assembled in the pin shaft hole.
Specifically, as shown in fig. 1, the gaps between the first pin 6 and the second pin 7 and the inner wall of the pin shaft hole are densely filled with cement adhesive.
Specifically, as shown in fig. 1, the first pin 6 and the second pin 7 are made of a high-strength rubber rod, a glass fiber composite rod, or a porcelain rod.
Through round pin axle connection bar shape porcelain body 1 of cross-under mode installation, go up metalwork 2 and metalwork 3 down, improved the joint strength between the three, the problem of the easy bale breaking of adhesive linkage under the vibration or the thermal stress condition of avoiding appearing, mechanical type connected mode tensile strength is high. Meanwhile, the first pin shaft 6 and the second pin shaft 7 which are made of insulating materials have the thermal expansion coefficient close to that of the rod-shaped porcelain body 1, so that the adverse effect of thermal stress cannot occur, and the reliability is high. The gap between the pin shaft 6 and the inner wall of the through hole is filled with dense cement bonding adhesive, so that the connection strength can be increased, and the condition of gap water inflow caused by looseness is avoided.
According to the shockproof rod-shaped suspension porcelain insulator, the compression spring assembly is arranged at the top of the upper metal piece 2, and the pin joint seat 9 is assembled through the compression spring assembly, so that impact tension and vibration borne after the suspension porcelain insulators are connected in series can be buffered. Under the impact, the pressure spring assembly can absorb the impact tensile stress of the impact peak value, the first bonding layer 4 and the second bonding layer 5 are reduced, and the vibration resistance of the suspension porcelain insulator is improved. The shockproof rod-shaped suspension type porcelain insulator can buffer the tensile force of vibration and reciprocating impact, and improves the shock-resistant tensile strength of the porcelain insulator. In addition, the connecting screw rod 8 is used as a tension bearing and transmitting part, so that the angle and the height position of the pin joint seat 9 can be conveniently adjusted, and the installation is convenient; the disc spring combination is adopted as the compression spring 11, so that larger impact tension can be borne; through the arrangement of the locking nut 10, the final position of the locking pin joint seat 9 is convenient, and the operation reliability of the equipment is improved. Through round pin axle connection bar shape porcelain body 1 of cross-under mode installation, go up metalwork 2 and metalwork 3 down, improved the joint strength between the three, the problem of the easy bale breaking of adhesive linkage under the vibration or the thermal stress condition of avoiding appearing, mechanical type connected mode tensile strength is high. Meanwhile, the first pin shaft 6 and the second pin shaft 7 which are made of insulating materials have the thermal expansion coefficient close to that of the rod-shaped porcelain body 1, so that the adverse effect of thermal stress cannot occur, and the reliability is high. The gap between the pin shaft 6 and the inner wall of the through hole is filled with dense cement bonding adhesive, so that the connection strength can be increased, and the condition of gap water inflow caused by looseness is avoided.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the scope of the present invention is defined by the claims.
Claims (7)
1. The utility model provides a clavate suspension porcelain insulator takes precautions against earthquakes, includes clavate porcelain body (1), goes up metalwork (2) and metalwork (3) down, go up metalwork (2) and connect through first adhesive linkage (4) and second adhesive linkage (5) respectively with metalwork (3) down both ends, its characterized in that about clavate porcelain body (1): the top of the upper metal piece (2) is provided with a pressure spring assembly, and the pin joint seat (9) is connected through the pressure spring assembly.
2. The vibration-proof rod-shaped suspension porcelain insulator according to claim 1, wherein: the pressure spring assembly comprises a connecting screw rod (8) and a pressure spring (11), a base (801) is arranged at the bottom end of the connecting screw rod (8), the base (801) is installed in a pressure spring chamber (201) at the top of the upper metal piece (2), and the pressure spring (11) is sleeved on the connecting screw rod (8) and arranged between the base (801) and the top wall of the pressure spring chamber (201); the top end of the connecting screw rod (8) is in threaded connection with a threaded hole (901) in the bottom plate of the pin joint seat (9).
3. The vibration-proof rod-shaped suspension porcelain insulator according to claim 2, wherein: the pressure spring (11) is a spiral cylindrical spring or a disc spring combination.
4. The vibration-proof rod-shaped suspension porcelain insulator according to claim 3, wherein: and the connecting screw rod (8) is also in threaded connection with a locking nut (10), and the locking nut (10) is locked on the bottom surface of the bottom plate of the pin joint seat (9).
5. The vibration-proof rod-shaped suspension porcelain insulator according to claim 1, wherein: a pin shaft hole is transversely formed between the rod-shaped porcelain body (1) and the upper metal piece (2), and a first pin shaft (6) is assembled in the pin shaft hole; and a pin shaft hole is transversely formed between the rod-shaped porcelain body (1) and the lower metal piece (3), and a second pin shaft (7) is assembled in the pin shaft hole.
6. The vibration-proof rod-shaped suspension porcelain insulator according to claim 5, wherein: and gaps between the first pin shaft (6) and the second pin shaft (7) and the inner wall of the pin shaft hole are densely filled with cement bonding glue.
7. The vibration-proof rod-shaped suspension porcelain insulator according to claim 6, wherein: the first pin shaft (6) and the second pin shaft (7) are made of high-strength rubber rods, glass fiber composite rods or porcelain rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121809219.8U CN215417701U (en) | 2021-08-04 | 2021-08-04 | Shockproof rod-shaped suspension type porcelain insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121809219.8U CN215417701U (en) | 2021-08-04 | 2021-08-04 | Shockproof rod-shaped suspension type porcelain insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215417701U true CN215417701U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121809219.8U Active CN215417701U (en) | 2021-08-04 | 2021-08-04 | Shockproof rod-shaped suspension type porcelain insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215417701U (en) |
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2021
- 2021-08-04 CN CN202121809219.8U patent/CN215417701U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A shockproof rod shaped suspension porcelain insulator Effective date of registration: 20230529 Granted publication date: 20220104 Pledgee: China Construction Bank Corporation Baoding Tianwei West Road Branch Pledgor: Baoding zhuoze Electric Technology Co.,Ltd. Registration number: Y2023980042051 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |