CN216052000U - Lightning arrester on-line monitoring device - Google Patents
Lightning arrester on-line monitoring device Download PDFInfo
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- CN216052000U CN216052000U CN202122551515.9U CN202122551515U CN216052000U CN 216052000 U CN216052000 U CN 216052000U CN 202122551515 U CN202122551515 U CN 202122551515U CN 216052000 U CN216052000 U CN 216052000U
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 14
- 230000000670 limiting effect Effects 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses an online monitoring device for a lightning arrester, which comprises a shell and a bottom plate, wherein the inner cavity of the shell is used for mounting a detection component and a controller, the lower end of the shell is provided with an outer ring plate, and the bottom plate is used for sealing the inner cavity of the shell and is connected with the outer ring plate through a bolt pipe. The bottom surface of the outer ring plate is provided with a positioning column corresponding to the outer side of the bolt pipe, a position limiting cylinder is arranged on the bottom plate corresponding to the position of the positioning column, and the positioning column is clamped and connected through a radial first spring assembly after being inserted into the position limiting cylinder; an inverted T-shaped hole is formed in the bottom of the bottom plate corresponding to the bolt tube; the lower end section of the outer wall of the pipe body of the bolt pipe is provided with threads, the head of the bolt pipe is positioned on the upper surface of the outer ring plate, and after the pipe body is inserted into the T-shaped hole, the external threads of the lower end section of the pipe body are connected with the fixing ring; the pipe body of the bolt pipe is clamped with the fixing ring through a radial second spring assembly. The bolt pipe is convenient and stable to install, and stable connection between the shell and the bottom plate is guaranteed. The first spring assembly and the second spring assembly facilitate the disassembly of the base plate.
Description
Technical Field
The utility model relates to the technical field of test devices, in particular to an online monitoring device for a lightning arrester.
Background
The lightning arrester is used for protecting electrical equipment from high transient overvoltage and limiting follow current time and is also used for normally limiting follow current value assignment. The term includes any external clearance necessary for the normal function of the electric appliance during operation and installation, no matter whether the external clearance is taken as a component of the whole, the lightning arrester is usually connected between a power grid wire and a ground wire, but is also connected beside an electric appliance winding or between wires, the lightning arrester is also called an overvoltage protector and an overvoltage limiter, the lightning arrester is another important device frequently adopted when a communication cable prevents lightning damage, a fixing device between a bottom plate and a lightning protection detector is not arranged in the device in the patent CN212808447U, the assembly of the bottom plate is inconvenient, a bolt tube in the device is simple in structure, the bolt tube is easy to fall off, the limiting effect on the device is not stable, and the use of the bolt tube is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a preventive test device for lightning arrester detection, which aims to solve the problems in the background technology.
The utility model provides an online monitoring device for a lightning arrester, which comprises a shell and a bottom plate, wherein the inner cavity of the shell is used for mounting a detection component and a controller, the lower end of the shell is provided with an outer ring plate, and the bottom plate is used for sealing the inner cavity of the shell and is connected with the outer ring plate through a bolt pipe. The bottom surface of the outer ring plate is provided with a positioning column corresponding to the outer side of the bolt pipe, a position limiting cylinder is arranged on the bottom plate corresponding to the position of the positioning column, and the positioning column is clamped and connected through a radial first spring assembly after being inserted into the position limiting cylinder; an inverted T-shaped hole is formed in the bottom of the bottom plate corresponding to the bolt tube; the lower end section of the outer wall of the pipe body of the bolt pipe is provided with threads, the head of the bolt pipe is positioned on the upper surface of the outer ring plate, and after the pipe body is inserted into the T-shaped hole, the external threads of the lower end section of the pipe body are connected with the fixing ring; the pipe body of the bolt pipe is clamped with the fixing ring through a radial second spring assembly.
In an embodiment of the above technical scheme, a plurality of positioning columns are uniformly distributed along the circumferential direction of the outer ring plate, each positioning column adopts a cylinder with a spherical crown-shaped lower end, and a radial T-shaped hole is formed at the bottom of a cylindrical section of the positioning column.
In an embodiment of the above technical scheme, the axial center of the limiting cylinder is provided with a blind hole for inserting the positioning column, and a rectangular hole is formed in the limiting cylinder corresponding to the T-shaped hole.
In an embodiment of the above technical scheme, first spring assembly includes fixture block, first spring, limiting plate and pulley, and first spring is located in the major diameter section in T shape hole, the outer end and limiting plate connection, the upside and the downside symmetric connection of limiting plate have the pulley, and T shape hole horizontal slip can be followed to the pulley, and the cardboard stretches out from the minor diameter section in T shape hole, passes spacing section of thick bamboo and bottom plate.
In an embodiment of the above technical scheme, radial holes are symmetrically formed in the bottom of the pipe body of the bolt pipe at two sides of an axial center plane corresponding to the position above the threaded section, and grooves are formed in the upper side and the lower side of each radial hole.
In an embodiment of the above technical solution, after the fixing ring is connected to the lower end of the bolt tube, the upper end of the fixing ring covers the radial hole at the bottom of the bolt tube, and the corresponding radial blind hole is formed in the fixing ring corresponding to the radial hole.
In one embodiment of the above technical scheme, an inner hexagonal ring is concentrically embedded at the lower end of the fixing ring, so that the fixing ring can be inserted into the inner hexagonal ring through a socket wrench to rotate.
In an embodiment of the above technical solution, the second spring assembly includes a positioning rod and a second spring, the outer end of the positioning rod is in a spherical crown shape, the middle of the positioning rod is provided with a limit ring, the second spring is sleeved on the inner side of the positioning rod corresponding to the limit ring, and the second spring is located in grooves on both sides of the radial hole on the bolt tube and is limited left and right through the grooves.
According to the utility model, the outer ring plate at the lower end of the shell is vertically inserted into the bottom plate through the positioning column and the limiting cylinder, and is transversely bolted through the radial first spring assembly, so that the outer ring plate and the bottom plate are accurately positioned. Then with between outer crown plate and the bottom plate through the bolt pipe, gu fixed ring and second spring unit connect fixedly, the bolt pipe inserts the mounting hole down from outer crown plate, it is spacing to pin the axial through the solid fixed ring of embedding on the bottom plate, rethread second spring unit will gu fixed ring and the horizontal bolt of bolt pipe, at last down insert little clearance fit's bolt from last in the bolt, make the bolt further guarantee the stability of being connected between solid fixed ring and the bolt pipe, the simple to operate of bolt pipe is stable moreover, thereby guarantee the stability of being connected between bottom plate and the outer crown plate. In addition, the first spring assembly and the second spring assembly are arranged, so that the base plate is easy and convenient to detach and remount.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Fig. 3 is an enlarged structural diagram of B-B in fig. 2.
Fig. 4 is an enlarged structural diagram C of fig. 3.
Detailed Description
This kind of arrester on-line monitoring device that this embodiment is disclosed improves on the technical scheme that CN212808447U discloses, and the specific improvement is the assembly limit structure between bottom plate and the casing, solves among this technical scheme bottom plate and casing assembly inconvenient, and the easy problem that drops of assembly fastener bolt pipe in the use.
As can be seen from fig. 1 to 4 after combination, when the outer annular plate 1 at the lower end of the device shell is assembled with the bottom plate 6, the positioning column 2 is vertically inserted into the limiting barrel 5, and the positioning column, the limiting barrel and the bottom plate are horizontally fixed through the first spring assembly; then, the bolt tube 7, the fixing ring 8, the bolt and the second spring assembly are connected and fastened, so that the stable connection between the bottom plate 6 and the outer ring plate 1 is ensured, and the bolt tube 7 is not easy to fall off.
Specifically, the lower surface of outer annular plate 1 equipartition four reference columns 2 that stretch out downwards, the lower extreme of reference column is the spherical crown shape, and cylindrical section bottom has seted up the radial blind hole of T shape.
First spring unit includes fixture block 3, pulley 4 and first spring 12, and the inner of fixture block 3 has the limiting plate, and 4 symmetric connection in the upside and the downside of limiting plate of pulley are fixed in on the limiting plate in the outer end of first spring.
When first spring unit and reference column assembly, first spring 12 is arranged in the big footpath section in T shape hole on the reference column, and limiting plate and pulley are arranged in big footpath section, and the limiting plate is spacing through the step face between big footpath section and the path section, and the pulley can be followed big footpath end horizontal slip, and the fixture block stretches out from the path section level in T shape hole.
The mounting structure corresponding to the positioning column and the first spring assembly on the bottom plate is a limiting cylinder, an axial center hole of the limiting cylinder is matched with the positioning column, a corresponding radial hole is formed in the position, corresponding to the extending position of the clamping block of the first spring assembly, of the limiting cylinder, and a corresponding mounting hole is also formed in the bottom plate.
When the positioning column is assembled with the first spring assembly and the bottom plate, the clamping plate of the first spring assembly is extruded by the side wall of the limiting cylinder to enter the large-diameter hole section on the positioning column, and when the position of the clamping plate is aligned with the radial hole on the limiting cylinder, the clamping plate extends out under the action of the first spring to penetrate through the limiting cylinder and the corresponding hole on the bottom plate. To this end, a basic positioning is achieved between the outer ring plate and the bottom plate.
Round holes corresponding to the inner sides of the positioning columns 2 are arranged on the outer ring plate 1 and are used as mounting holes of bolt pipes, and inverted T-shaped holes corresponding to the inner sides of the limiting cylinders 5 are arranged on the bottom plate 6 and are used as mounting holes of the bolt pipes and the fixing rings 8.
The lower end section of the outer wall of the pipe body of the bolt pipe 7 is provided with threads, the head of the bolt pipe 7 is positioned on the upper surface of the outer ring plate 1, after the pipe body is inserted into the inverted T-shaped hole, the lower end section of the pipe body is externally threaded and connected with a fixing ring 8, and the fixing ring 8 is positioned in the bottom large-diameter hole section of the inverted T-shaped hole.
Radial through holes are symmetrically formed in the two sides, corresponding to an axial center plane, of the position, close to the upper side of the threaded section, of the bottom of the pipe body of the bolt pipe 7, and grooves are formed in the upper side and the lower side of each radial through hole.
After the fixing ring is connected to the bolt tube, the radial through hole in the bolt tube is covered, and the corresponding radial blind hole is formed in the corresponding radial through hole in the fixing ring.
In order to rotate the fixing ring 8, an inner hexagonal ring 9 is concentrically embedded at the lower end of the fixing ring, and a socket wrench is inserted into the inner hexagonal ring to rotate.
Therefore, the outer ring plate and the bottom plate are fixed with the fixing ring through the bolt pipe, and the fixing ring is limited upwards through the step surface of the inverted T-shaped hole in the bottom plate.
In order to further ensure the connection stability between the fixing ring and the bolt tube, a second spring assembly is arranged between the fixing ring and the bolt tube to radially connect the fixing ring and the bolt tube.
The second spring assembly comprises a positioning rod 10 and a second spring 11, the outer end of the positioning rod 10 is in a spherical crown shape, a limiting ring is arranged in the middle of the positioning rod, the second spring 11 is sleeved on the inner side, corresponding to the limiting ring 12, of the positioning rod, and the second spring is located in grooves in two sides of a radial hole in the bolt tube 7 and is limited in the left and right directions through the grooves.
After the second spring assembly is assembled, the outer end of the positioning rod 10 is inserted into the blind hole in the fixing ring 8, and the inner end of the positioning rod extends into the inner cavity of the bolt tube 7.
Then from last down insert little clearance fit's bolt in the hole of bolt pipe, further insert the radial blind hole on the solid fixed ring through bolt extrusion locating lever, gu fixed ring's stability this moment obtains guaranteeing to make the stability of bolt pipe obtain guaranteeing. The bolt pipe is convenient to install, can be inserted into the mounting hole from top to bottom, and is also ensured in stability, so that the bolt pipe is not easy to fall off, and the bottom plate and the outer annular plate at the lower end of the shell can be stably connected.
When the monitor in the bottom plate overhauling shell needs to be opened, the bottom plate is convenient to disassemble, only the bolt in the bolt tube needs to be pulled out, the positioning rod of the second spring assembly is pushed into the radial blind hole in the fixing ring and the bolt tube is pulled out, and then the clamping block of the first spring assembly is pushed into the radial blind hole in the positioning rod and the bottom plate is pulled out downwards.
Claims (8)
1. The utility model provides an arrester on-line monitoring device, includes shell and bottom plate, and the shell inner chamber is used for installation detection components and parts and controller, and the lower extreme of shell has outer crown plate, and the bottom plate is used for sealing shell's inner chamber, and through bolted connection, its characterized in that between the outer crown plate:
the bottom surface of the outer ring plate is provided with a positioning column corresponding to the outer side of the bolt pipe, a position limiting cylinder is arranged on the bottom plate corresponding to the position of the positioning column, and the positioning column is clamped and connected through a radial first spring assembly after being inserted into the position limiting cylinder;
an inverted T-shaped hole is formed in the bottom of the bottom plate corresponding to the bolt tube;
the lower end section of the outer wall of the pipe body of the bolt pipe is provided with threads, the head of the bolt pipe is positioned on the upper surface of the outer ring plate, and after the pipe body is inserted into the T-shaped hole, the external threads of the lower end section of the pipe body are connected with the fixing ring;
the pipe body of the bolt pipe is clamped with the fixing ring through a radial second spring assembly.
2. An arrester on-line monitoring device according to claim 1, characterized in that: the positioning columns are uniformly distributed along the circumferential direction of the outer ring plate, each positioning column is a cylinder with a spherical crown-shaped lower end, and a radial T-shaped hole is formed in the bottom of a cylindrical section of each positioning column.
3. An arrester on-line monitoring device according to claim 2, characterized in that: the axial center of the limiting cylinder is provided with a blind hole for inserting the positioning column, and a rectangular hole is formed in the limiting cylinder corresponding to the T-shaped hole.
4. An arrester on-line monitoring device according to claim 2, characterized in that: first spring unit includes fixture block, first spring, limiting plate and pulley, and first spring is located in the major diameter section in T shape hole, outer end and limiting plate connection, the upside and the downside symmetric connection of limiting plate have the pulley, and T shape hole horizontal slip can be followed to the pulley, and the cardboard stretches out from the path section in T shape hole, passes spacing section of thick bamboo and bottom plate.
5. An arrester on-line monitoring device according to claim 2, characterized in that: radial holes are symmetrically formed in the two sides, corresponding to an axial center plane, of the position, close to the upper side, of the threaded section, of the bottom of the pipe body of the bolt pipe, and grooves are formed in the upper side and the lower side of each radial hole.
6. An arrester on-line monitoring device according to claim 2, characterized in that: the fixing ring is connected to the lower end of the bolt tube, the upper end of the fixing ring covers the radial hole at the bottom of the bolt tube, and a corresponding radial blind hole is formed in the position, corresponding to the radial hole, of the fixing ring.
7. An arrester on-line monitoring device according to claim 2, characterized in that: the lower end of the fixing ring is concentrically embedded with an inner hexagonal ring, so that the fixing ring can be inserted into the inner hexagonal ring through a socket wrench to rotate.
8. An arrester on-line monitoring device according to claim 2, characterized in that: the second spring assembly comprises a positioning rod and a second spring, the outer end of the positioning rod is in a spherical crown shape, a limiting ring is arranged in the middle of the positioning rod, the second spring is sleeved on the inner side, corresponding to the limiting ring, of the positioning rod, and the second spring is located in grooves in two sides of the radial hole in the bolt tube and is limited in the left and right directions through the grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122551515.9U CN216052000U (en) | 2021-10-22 | 2021-10-22 | Lightning arrester on-line monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122551515.9U CN216052000U (en) | 2021-10-22 | 2021-10-22 | Lightning arrester on-line monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216052000U true CN216052000U (en) | 2022-03-15 |
Family
ID=80610633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122551515.9U Active CN216052000U (en) | 2021-10-22 | 2021-10-22 | Lightning arrester on-line monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216052000U (en) |
-
2021
- 2021-10-22 CN CN202122551515.9U patent/CN216052000U/en active Active
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| GR01 | Patent grant | ||
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