CN112562947B - Safety base and lightning arrester - Google Patents
Safety base and lightning arrester Download PDFInfo
- Publication number
- CN112562947B CN112562947B CN202011443110.7A CN202011443110A CN112562947B CN 112562947 B CN112562947 B CN 112562947B CN 202011443110 A CN202011443110 A CN 202011443110A CN 112562947 B CN112562947 B CN 112562947B
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- arrester
- shell
- spring
- safety
- safety base
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/12—Overvoltage protection resistors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/046—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means using combinations of springs of different kinds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
- F16F15/085—Use of both rubber and metal springs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/01—Mounting; Supporting
-
- 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
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Vibration Dampers (AREA)
- Thermistors And Varistors (AREA)
Abstract
The invention discloses a safety base and an arrester, wherein the safety base comprises a shell, the lower part of the shell is fixed with the external installation position, the inside of the shell is sequentially provided with a buffer mechanism and a connection position from bottom to top, the arrester is installed at the connection position and is abutted against the buffer mechanism, the connection position is provided with a limiting part for limiting the shell to fall off from the arrester, and the arrester can push the buffer mechanism along the vertical direction. The safety base can be connected with the lightning arrester by arranging the connecting position, and meanwhile, the limiting piece can ensure the connection stability between the lightning arrester and the safety base and avoid the safety base from being separated from the lightning arrester; through setting up buffer gear, when the arrester received external pressure, buffer gear can avoid arrester and outside production rigid shock for the arrester provides the buffering to avoid the damage of arrester or fall.
Description
Technical Field
The invention relates to the technical field of lightning arresters, in particular to a safety base and a lightning arrester using the same.
Background
In an electric power system, various electrical equipment can be damaged by the impact of lightning overvoltage, and at the moment, an arrester needs to be installed to protect a circuit. The lightning arrester is connected between the cable and the ground and is usually connected with the protected equipment in parallel, and once abnormal voltage occurs, the lightning arrester acts to guide high-voltage impact current to the ground, so that the voltage amplitude is limited, the communication cable and the equipment are protected, and the protection effect is achieved. The existing lightning arrester base is single in installation equipment, good fixing effect cannot be achieved on the lightning arrester after the lightning arrester is installed, stability of the existing lightning arrester base is poor, the lightning arrester base is prone to falling when external force interference occurs, practicability of the lightning arrester is reduced, and normal use of a circuit is difficult to guarantee.
Disclosure of Invention
One object of an embodiment of the present invention is to: provided is a safety base which can improve the stability of a lightning arrester.
Another object of an embodiment of the present invention is to: the lightning arrester can guarantee normal use of a circuit.
In order to achieve the purpose, the invention adopts the following technical scheme:
the first aspect provides a safety base, which comprises an outer shell, the lower part of shell is fixed with outside mounted position, the inside of shell has set gradually buffer gear and connection position from bottom to top, and the arrester is installed connection position and with the buffer gear butt, connection position is provided with the restriction the shell is followed the locating part that the arrester dropped, the arrester can be followed vertical direction and promoted buffer gear.
As a preferred scheme of the safety base, the limiting part is an internal thread, the tooth width of the internal thread is smaller than the groove width of the internal thread, the lightning arrester is correspondingly provided with an external thread, the tooth width of the external thread is smaller than the groove width of the external thread, and the lightning arrester is screwed into the shell, and the connecting position is connected with the shell.
As a preferred scheme of the safety base, the locating part is a groove, the length direction of the groove is parallel to the vertical direction, the lightning arrester is correspondingly provided with a buckle, the lightning arrester is installed behind the connecting position, and the buckle is inserted in the groove and can slide in the groove.
As a preferable mode of the safety base, the buffer mechanism includes a piston mechanism, the piston mechanism includes a piston rod and a cylinder which are fitted to each other, one of the piston rod and the cylinder abuts against the arrester, and the other is fixed to the housing.
As a preferred scheme of the safety base, the buffer mechanism comprises a spring, the spring is sleeved on the periphery of the piston mechanism, one end of the spring is connected with the cylinder body, the other end of the spring is connected with the piston rod, and the spring always has a tendency of driving the piston rod to extend out of the cylinder body.
As a preferred scheme of safety base, buffer gear includes first damping piece, first damping piece cover is established the periphery of cylinder body, first damping piece can be followed vertical direction and removed, the spring is close to the one end of cylinder body with first damping piece is fixed.
As a preferred scheme of the safety base, the buffering mechanism comprises a second damping block, the second damping block is sleeved and fixed on the periphery of the cylinder body, and the second damping block is arranged on one side, away from the spring, of the first damping block.
As a preferable scheme of the safety base, the buffer mechanism comprises a connecting block, at least one end of the piston mechanism is fixed with the connecting block, and the diameter of the connecting block is larger than the diameters of the piston rod and the cylinder body.
As a preferred scheme of the safety base, the outer cover of the shell is provided with a movable block, the movable block is fixed with the lightning arrester, and the movable block can move along the vertical direction relative to the shell.
In a second aspect, a lightning arrester is provided, which includes the safety base.
The invention has the beneficial effects that: the safety base can be connected with the lightning arrester by arranging the connecting position, and meanwhile, the limiting piece can ensure the connection stability between the lightning arrester and the safety base and avoid the safety base from being separated from the lightning arrester; through setting up buffer gear, when the arrester received external pressure, buffer gear can provide the buffering for the arrester, avoids arrester and outside production rigidity to strike to avoid the damage of arrester or fall.
Drawings
The invention is explained in more detail below with reference to the figures and examples.
Fig. 1 is a schematic view of a safety base according to an embodiment of the invention.
Fig. 2 is a schematic view of an internal structure of the safety base according to the embodiment of the present invention.
Fig. 3 is a schematic view of a safety base buffering mechanism according to an embodiment of the present invention.
Fig. 4 is a schematic view of a lightning arrester according to an embodiment of the invention.
In the figure:
100. a safety base;
1. a housing; 101. a through hole; 2. a buffer mechanism; 201. a piston rod; 202. a cylinder body; 203. a spring; 204. a first damping block; 205. a second damping block; 3. a connection site; 4. connecting blocks; 5. a connecting plate; 6. a movable block; 7. a lower baffle plate; 8. an upper baffle plate; 9. an insulating column; 10. a lightning protection column.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
As shown in fig. 1 to 4, the safety base 100 provided by the invention comprises a housing 1, wherein the lower part of the housing 1 is fixed to the external installation position, a buffer mechanism 2 and a connection position 3 are sequentially arranged in the housing 1 from bottom to top, after an arrester is installed at the connection position 3, the arrester is abutted against the buffer mechanism 2, the connection position 3 is provided with a limiting member for limiting the housing 1 from dropping from the arrester, and after the arrester and the safety base 100 are installed, the arrester can push the buffer mechanism 2 in the vertical direction. The connection position 3 is arranged, so that the safety base 100 can be connected with the lightning arrester, and meanwhile, the limiting piece can ensure the connection stability between the lightning arrester and the safety base 100 and prevent the safety base 100 from being separated from the lightning arrester; through setting up buffer gear 2, when the arrester received external pressure, buffer gear 2 can provide the buffering for the arrester, avoids arrester and outside production rigidity to strike to avoid the damage of arrester or fall.
Specifically, the lower portion of the housing 1 is provided with a through hole 101, and the housing 1 and an external installation position can be fixed by using a connector such as a bolt.
Specifically, in this embodiment, the limiting member is an internal thread, the tooth width of the internal thread is smaller than the groove width of the internal thread, the lightning arrester is correspondingly provided with an external thread, correspondingly, the tooth width of the external thread is also smaller than the groove width of the external thread, and when the lightning arrester is installed, the lightning arrester can be connected with the housing 1 by screwing the lightning arrester into the connecting position 3 of the housing 1. Through setting up the internal thread and the external screw thread that tooth width all is less than the groove width, can be when guaranteeing shell 1 and arrester connection stability, the arrester can also remove for shell 1, makes the arrester can promote buffer gear 2, guarantees that buffer gear 2 can provide the cushion effect for the arrester.
In other embodiments, the limiting member may also be a groove, the length direction of the groove is parallel to the vertical direction, a buckle is correspondingly arranged on the lightning arrester, the buckle is inserted into the groove to complete the installation of the lightning arrester and the safety base 100, and at this time, the buckle may slide in the groove. Simple structure of buckle and recess, installation steps can also be simplified when convenient processing, only need insert the arrester and connect position 3 and just can accomplish being connected of arrester and safety base 100, when the arrester received external force and needs the buffering, the arrester can move down extrusion buffer gear 2, because the length direction and the vertical direction of recess are parallel, at this moment, the buckle can slide in the recess, the effect of direction has been played to the recess, and buffer gear 2 has been realized the cushioning effect to the arrester.
Specifically, the buffer mechanism 2 includes a piston mechanism including a piston rod 201 and a cylinder 202 which are fitted to each other, in this embodiment, the piston rod 201 abuts against the lightning arrester, and the cylinder 202 is fixed to the inner side wall of the housing 1, and in other embodiments, the piston rod 201 and the housing 1 may be fixed, and the cylinder 202 abuts against the lightning arrester. Through setting up piston mechanism, when the arrester received external force and assaulted, piston rod 201 received the extrusion of arrester and can be to cylinder body 202 direction motion, in piston rod 201 withdrawal cylinder body 202 promptly, for the arrester provides the buffering, avoids arrester and outside rigid impact to appear to lead to the arrester to damage or fall, has guaranteed the normal use of arrester.
Specifically, the buffer mechanism 2 further comprises a spring 203, the spring 203 is sleeved on the periphery of the buffer mechanism 2, one end of the spring 203 is connected with the cylinder 202, the other end of the spring 203 is connected with the piston rod 201, and the spring 203 always has a tendency of driving the piston rod 201 to extend out of the cylinder 202. Through setting up spring 203, after external force disappeared, the elasticity of spring 203 can drive piston rod 201 and stretch out cylinder body 202, that is to say, the elasticity of spring 203 can make piston mechanism reset, can make safety base 100 used repeatedly many times like this, and all can provide the buffer power of size unanimity when every use, improved safety base 100's life.
Specifically, the buffer mechanism 2 further includes a first damping block 204, the first damping block 204 is sleeved on the periphery of the cylinder 202, the first damping block 204 can move along the vertical direction, at this time, the cylinder 202 plays a guiding role, and one end of the spring 203 close to the cylinder 202 is fixed with the first damping block 204. By providing the first damping block 204, when the external impact is too large, the first damping block 204 can move downward, further providing a buffer for the lightning arrester.
Specifically, the damping mechanism 2 further includes a second damping block 205, the second damping block 205 is sleeved on the outer periphery of the cylinder 202 and fixed with the cylinder 202, and the second damping block 205 is disposed on a side of the first damping block 204 away from the spring 203. Since the first damping block 204 is movable in the vertical direction, when the first damping block 204 is moved to abut against the second damping block 205, the second damping block 205 fixed to the cylinder 202 can restrict the movement of the first damping block 204, and at this time, the damping force can be provided by further compressing the spring 203, and therefore, the provision of the second damping block 205 can strengthen the damping force of the damping mechanism 2.
Specifically, in this embodiment, the first damping block 204 is made of butyl rubber, and the first damping block 204 made of butyl rubber has good air tightness, ozone resistance, aging resistance and heat resistance, good shock absorption and damping characteristics, and high electrical insulation; the second damping block 205 is made of fluororubber, and the second damping block 205 made of fluororubber is good in electrical insulation, mechanical property, chemical corrosion resistance, ozone resistance and atmospheric aging resistance, and because the working environment of the safety base 100 is outdoor, the first damping block 204 and the second damping block 205 made of the fluororubber have long service lives.
Specifically, the cylinder 202 is made of natural rubber, the natural rubber has high elasticity, high tensile strength, excellent tear resistance and electrical insulation and easy processing, and the cylinder 202 made of natural rubber has certain elasticity, so that when the lightning arrester is impacted, and the piston rod 201 is completely retracted into the cylinder 202, the cylinder 202 can be further compressed, so that the lightning arrester is further buffered, and the normal use of the lightning arrester is ensured.
Specifically, the buffer mechanism 2 further includes a connecting block 4, the connecting block 4 may be fixed at one end of the piston mechanism, or both ends of the piston mechanism may be fixed with the connecting block 4, and the diameter of the connecting block 4 is greater than the diameters of the piston rod 201 and the cylinder 202. In the present embodiment, the piston rod 201 is connected to the arrester through the connecting block 4, and the cylinder 202 is also connected to the arrester through the connecting block 4. Through setting up connecting block 4, can increase the area of contact between buffer gear 2 and the arrester, make the arrester can receive more even buffering power.
Preferably, the safety base 100 may be provided with a plurality of buffer mechanisms 2, in this embodiment, two buffer mechanisms 2 are provided inside the safety base 100, the two buffer mechanisms 2 are connected through a connecting plate 5, one side of the connecting plate 5 is fixed with the connecting blocks 4 of different buffer mechanisms 2, and the other side of the connecting plate 5 abuts against the lightning arrester. Through setting up a plurality of buffer gear 2, can provide great cushion effect for the arrester, also can not damage or fall when the arrester receives great impact.
Specifically, the outside of shell 1 still overlaps and is equipped with movable block 6, movable block 6 can be 1 relative shell along vertical direction removal, when using, it is fixed with movable block 6 and arrester, through setting up movable block 6, can improve the joint strength of arrester and safety base 100, and simultaneously, the cooperation between movable block 6 and the shell 1 can also play the effect of direction, avoided the inside buffer gear 2 of safety base 100 to take place to damage because of the atress skew, the service life of device has been improved.
The bottom of the lightning arrester provided by the invention is connected with an external installation position through the safety base 100 of the embodiment. Through setting up safety base 100 in the bottom of arrester, when the arrester received pressure, through safety base 100's buffering, can protect the arrester not receive the damage, guaranteed the normal use of arrester, and then guaranteed the normal use of circuit.
Specifically, the arrester includes insulating column 9 and lightning-arrest post 10, and the below of insulating column 9 and lightning-arrest post 10 all is provided with the external screw thread, and insulating column 9 and lightning-arrest post 10 are all twisted into safety base 100's connection position 3 and safety base 100 and are realized connecting. The upper ends of the insulating column 9 and the lightning protection column 10 are connected through the upper baffle plate 8, the lower ends of the insulating column 9 and the lightning protection column 10 are connected with the lower baffle plate 7, the movable block 6 of the safety base 100 is fixed with the lower baffle plate 7, and the connecting strength between the safety base 100 and the lightning arrester can be improved.
Specifically, a plurality of safety bases 100 may be disposed below the arrester, so that a more uniform buffering force may be provided to the arrester to buffer the pressure applied to the arrester. In this embodiment, three safety bases 100 are connected below the arrester.
Preferably, the insulating column 9 is made of unsaturated polyester resin glass fiber reinforced molding compound, the unsaturated polyester resin glass fiber reinforced molding compound has good flame retardance and electric trace resistance, high dielectric strength, corrosion resistance and stain resistance, excellent mechanical properties, extremely low water absorption and good aging resistance, so that the insulating column 9 made of the unsaturated polyester resin glass fiber reinforced molding compound has a good insulating effect and can further improve the safety coefficient of a circuit.
Claims (8)
1. A safety base is characterized by comprising a shell, wherein the lower part of the shell is fixed with the external installation position, a buffer mechanism and a connection position are sequentially arranged in the shell from bottom to top, an arrester is installed at the connection position and is abutted against the buffer mechanism, the connection position is provided with a limiting part for limiting the shell to fall off from the arrester, and the arrester can push the buffer mechanism in the vertical direction;
the locating part is the internal thread, internal thread tooth width is less than internal thread groove width, the arrester corresponds and is provided with the external screw thread, the tooth width of external screw thread is less than the groove width of external screw thread, the arrester is twisted into the shell the junction position with the shell is connected.
2. The safety pedestal of claim 1, wherein the damping mechanism comprises a piston mechanism including a piston rod and a cylinder cooperating with each other, one of the piston rod and the cylinder abutting the arrester and the other being fixed to the housing.
3. The safety pedestal according to claim 2, wherein the buffer mechanism comprises a spring, the spring is sleeved on the periphery of the piston mechanism, one end of the spring is connected with the cylinder body, the other end of the spring is connected with the piston rod, and the spring always has a tendency of driving the piston rod to extend out of the cylinder body.
4. The safety pedestal according to claim 3, wherein the buffer mechanism comprises a first damping block, the first damping block is sleeved on the periphery of the cylinder body, the first damping block can move along the vertical direction, and one end of the spring, which is close to the cylinder body, is fixed with the first damping block.
5. The safety base as claimed in claim 4, wherein the damping mechanism comprises a second damping block, the second damping block is sleeved and fixed on the periphery of the cylinder body, and the second damping block is arranged on one side of the first damping block, which is far away from the spring.
6. The safety pedestal according to claim 2, wherein the buffer mechanism comprises a connecting block, the connecting block is fixed at least one end of the piston mechanism, and the diameter of the connecting block is larger than the diameter of the piston rod and the cylinder body.
7. The safety pedestal according to any one of claims 1 to 6, wherein a movable block is sleeved outside the housing, the movable block and the lightning arrester are fixed, and the movable block can move in a vertical direction relative to the housing.
8. An arrester comprising a safety base as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011443110.7A CN112562947B (en) | 2020-12-08 | 2020-12-08 | Safety base and lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011443110.7A CN112562947B (en) | 2020-12-08 | 2020-12-08 | Safety base and lightning arrester |
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| CN112562947A CN112562947A (en) | 2021-03-26 |
| CN112562947B true CN112562947B (en) | 2023-01-24 |
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| CN112562947A (en) | 2021-03-26 |
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