CN112736652A - Lightning rod combination device and crane comprising same - Google Patents
Lightning rod combination device and crane comprising same Download PDFInfo
- Publication number
- CN112736652A CN112736652A CN202011522178.4A CN202011522178A CN112736652A CN 112736652 A CN112736652 A CN 112736652A CN 202011522178 A CN202011522178 A CN 202011522178A CN 112736652 A CN112736652 A CN 112736652A
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- lightning rod
- support
- grounding
- lightning
- insulator
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T19/00—Devices providing for corona discharge
- H01T19/04—Devices providing for corona discharge having pointed electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The utility model relates to a lightning rod composite set and contain device's hoist belongs to power equipment technical field. The device comprises a lightning rod body, an insulator, a lightning rod bracket and a pipeline bracket; the one end and the insulator of lightning rod support length direction can be dismantled and be connected, the insulator is connected with lightning rod body detachably, be equipped with the ground connection piece on the lightning rod body, detachably fixes the pipeline support on the lightning rod support, and the pipeline support is fixed with the ground connection pipe. Compared with the lightning rod of the existing port crane, the lightning rod combination device is more convenient to maintain and install on the whole, is higher in height and more firm in fixation, can better realize the function of the lightning receptor, and protects the electrical equipment on the crane from lightning stroke.
Description
Technical Field
The utility model belongs to the technical field of power equipment, specifically relate to a lightning rod composite set and contain device's hoist.
Background
The statements herein merely provide background related to the present disclosure and may not necessarily constitute prior art.
The lightning rod in the lightning protection system of the existing port crane is directly welded on a structural member, insulation processing is not carried out between the lightning rod and the body, lightning current when lightning stroke occurs can pass through the structural member of the crane, and components of crane equipment can be damaged possibly in the lightning stroke process.
Disclosure of Invention
To the technical problem that prior art exists, this disclosure provides a lightning rod composite set and contain device's hoist, the device simple structure, simple to operate, and this neotype lightning rod composite set, transportation, easy maintenance, more safe and reliable.
At least one embodiment of the present disclosure provides a lightning rod assembly, which includes a lightning rod body, an insulator, a lightning rod support, and a pipeline support;
one end of the lightning rod support in the length direction is detachably connected with an insulator, the insulator is detachably connected with a lightning rod body, a grounding part is arranged on the lightning rod body, a pipeline support is detachably fixed on the lightning rod support, and a grounding pipe is fixed on the pipeline support; and a grounding wire connected with the grounding piece is arranged in the grounding pipe.
Further, the lightning rod body comprises a first round steel plate and a first round steel vertically arranged at the center of the first round steel plate; a plurality of fixing holes for fixing the insulator are formed in the circumferential direction of the surface of the first circular steel plate.
Furthermore, a plurality of first rib plates used for reinforcing the first round steel are arranged between the first round steel and the first round steel plate.
Further, the grounding part is arranged on one of the first rib plates.
Furthermore, the lightning rod support comprises second round steel, one end of the second round steel in the length direction is connected with a second round steel plate which is the same as the first round steel plate, and the other end of the second round steel is connected with a second rib plate which is arranged in a circumferential mode on the outer wall surface of the round steel pipe.
Further, along the inherent a plurality of connecting piece of second round steel outer wall length direction, every connecting piece all passes through a pipeline support of bolt fastening.
Further, the upper surface and the lower surface of the insulator are provided with bolt holes.
Furthermore, a pair of waist-shaped holes arranged at intervals are formed in the pipeline support, and the grounding pipe and the pipeline support are fixed together through U-shaped bolts.
Furthermore, the pipeline support is integrally an L-shaped bending plate, wherein a short plate of the L-shaped bending plate is fixed with the lightning rod support through a bolt, and the waist-shaped hole is formed in a long plate of the L-shaped bending plate.
The crane comprises the lightning rod combination device, the lightning rod support is welded on a structural member of the crane, a pipeline support provided with a grounding pipe is also arranged on a body of the crane, and a grounding wire is connected with a grounding shoe on the body along the grounding pipe on the crane body.
The beneficial effects of this disclosure are as follows:
(1) the utility model provides a lightning rod composite set can be with lightning rod scaffold weldment on lightning protection, realize being connected between lightning rod and the lightning rod through the insulator, be equipped with the earth tube on the lightning rod support, the device can fine play the insulating effect of lightning-arrest through the insulator on the one hand like this, an independent insulating outside lightning rod composite set has been realized, on the other hand, when the maintenance, when changing the lightning rod body, perhaps when changing the insulator, only need demolish the insulator can, can change very conveniently, the security and the convenience of maintenance have been improved, also make the life cycle of this device can prolong greatly.
(2) The lightning protection cable pipeline configured by the device can prevent lightning current from entering the crane structure to damage components on the crane, particularly, a large number of high-precision components are mounted on the automatic crane, and the withstand voltage value of the components is small. The device plays an important lightning protection role for the components of the automatic crane.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to limit the disclosure.
Fig. 1 is a schematic structural diagram of a lightning rod assembly for a port crane according to an embodiment of the disclosure;
fig. 2 is a schematic structural diagram of a lightning rod body according to an embodiment of the disclosure;
fig. 3 is a front view of a lightning rod support structure provided by an embodiment of the disclosure;
fig. 4 is a top view of a lightning rod support structure provided by an embodiment of the disclosure;
fig. 5 is a schematic structural diagram of an insulator according to an embodiment of the present disclosure;
fig. 6 is a schematic structural view of a lightning protection pipeline bracket provided in the embodiment of the present disclosure;
fig. 7 is a main body structure diagram of a crane provided in the embodiment of the present disclosure;
fig. 8 is an enlarged view of a portion a of fig. 7;
fig. 9 is an enlarged view of a structure of a portion B in fig. 7.
In the figure: 1. the lightning rod comprises a lightning rod body, 11, first round steel, 12, a first circular steel plate, 13, a first rib plate, 14, a wiring nut, 2, an insulator, 3, a lightning rod support, 31, second round steel, 32, a second circular steel plate, 33, a second rib plate, 34, equilateral lace angle iron, 4, a lightning protection pipeline support, 41, bolt holes, 42, a waist circular hole, 5, a grounding pipeline, 6, a body lightning protection pipeline support, 7 and a grounding boot.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
As shown in fig. 1, the embodiment of the present disclosure provides a lightning rod assembly for a port crane, which mainly includes a lightning rod body 1, an insulator 2, a lightning rod bracket 3, and a lightning conduit bracket 4. Wherein the one end welding of lightning rod support is on the structure of hoist, and insulator 2 sets up between lightning rod body 1 and lightning rod support 3, uses bolted connection between lightning rod body 1 and the insulator 2, adopts bolted connection between lightning rod support 3 and the insulator 2, is equipped with a plurality of lightning rod pipeline support 3 along the direction of height at the lateral wall of lightning rod support 3, wherein uses bolted connection between lightning rod support 3 and lightning rod pipeline support 4 a ground connection pipeline 5 is fixed on 4 between a plurality of lightning rod pipeline, places the earth connection of drawing forth on the lightning rod body in this pipeline.
The device provided by the embodiment has a simple structure. Utilize lightning rod body 1, lightning rod support 3, lightning-arrest pipeline support 4 and insulator B's cooperation, installation solitary installation lightning-arrest line cable and pipeline can satisfy the solitary lightning-arrest pipe-line system design of port crane, and this composite set satisfies lightning-arrest system insulation between lightning rod body and the structure, adopts 4 insulators to satisfy falling of lightning rod, and it is more convenient to maintain, safe and reliable, and the commonality is strong.
As shown in fig. 2, the lightning rod body 1 in this embodiment mainly includes a first round bar 11 and a first circular steel plate 12, and the first round bar is vertically fixed at the center of the first circular steel plate.
The diameter of the first round steel is
Total length is 1.6M, can play the effect of arrester like this well, first round steel and the welding of first circular steel sheet are in the same place, the diameter of first circular steel sheet is 250mm, the welding has 3 first gusset 13 between the lower part of first round steel and the first circular steel sheet simultaneously, two liang of differences 120 degrees between these 3 first gusset for consolidate first round steel, increase the holistic intensity of lightning rod body, reduce rocking in the use, and weld M10's ground nut 14 on one of them first gusset, be convenient for connect fixed ground lead.
And four fixing holes for fixing the top of the insulator are formed in the surface of the first round steel plate.
Further, as shown in fig. 3-4, the lightning rod support 3 in this embodiment is mainly composed of second round steel 31, and the total length is 2.75m, so that the whole lightning rod combined support can exceed the port equipment body, and can well play roles of lightning protection and insulation.
In this embodiment, 4 equilateral lace angle irons 34 are welded on the round steel side of the lightning rod support 3, the four equilateral lace angle irons 34 are all provided with a bolt hole of M8 at the same position, and each equilateral lace angle iron 34 fixes one lightning rod pipeline support 4 through a bolt, so that the lightning rod pipeline support 4 can enhance the stability of the whole lightning rod combined support through an M8 bolt.
3 second rib plates 33 are welded on the lower portions of the second round steels 31, and the difference between every two of the three second rib plates is 120 degrees, so that the three second rib plates are welded on a steel structure body of a port crane, the combined support body is reinforced, and the shaking in the operation process is reduced.
Further, the top of the lightning rod support is also provided with a second round steel plate 32, the second round steel plate 32 is the same as the first round steel plate 12 on the lightning rod body, and the surface of the second round steel plate is also provided with the same number and size of fixing holes for fixing the insulator.
As shown in fig. 5, the insulator used in this embodiment is 200 (long) × 60 (diameter), and M8 bolt fixing holes are formed on both the upper and lower surfaces of the insulator, so as to be fixed with the fixing holes of the circular steel plates on the insulator body and the insulator bracket by bolts, and the whole insulator is vertically arranged.
In this implementation, 4 insulators main function realize the outside electrical insulation of port machine equipment, realize the mechanical fastening of lightning rod body 1 and lightning rod support 3, and 4 insulators become vertical arrangement to this fixed firm nature of guaranteeing this 1 and the lightning rod support 3 of lightning rod, reduce relative rocking.
As shown in fig. 6, the lightning protection pipeline bracket 4 in this embodiment is integrally formed by bending a steel plate, and is integrally an L-shaped bending plate, wherein a short edge of the L-shaped bending plate is clamped with a
The bolt holes 41 are fixedly connected with equilateral lace angle irons on the lightning rod support 3 through M8 bolts, two waist round holes 42 which are arranged at intervals are arranged at the end part of the long edge of the L-shaped bending plate, the waist round holes on the lightning protection pipeline supports are the same in size and position, and the grounding pipeline 5 is placed between the two waist round holesAnd the grounding metal lightning protection pipeline is fixed through the U-shaped bolt of the M8, and the specific length of the metal lightning protection pipeline can also be determined according to the equipment condition.
The following describes the installation process of the lightning rod assembly in detail:
when the lightning rod support is installed, the lightning rod support 2 is firstly welded on a ladder railing platform or a structural member, and then the lightning rod body 1 is firmly fixed through M8-30 bolts and the insulator 2; the lightning protection pipeline support 4 and the lightning rod support 3 are fixed by M8 & 30 bolts, the other side of the lightning protection pipeline support is fixedly connected with an independent grounding metal grounding pipeline 5 through U-shaped bolts, a 70mm2 grounding wire is laid in the grounding pipeline 5 and is connected with a grounding nut of the lightning rod body 1, the grounding wire is laid to a cart and is finally connected with a grounding boot of the cart, and therefore the lightning protection and insulation effect can be well achieved, and the independent and insulated lightning protection lightning rod combined support with the external lightning protection function is achieved; when the lightning rod body 1 is maintained and replaced, or the insulator 2 is replaced, only the fixing bolts at two ends of the insulator 2 need to be removed, so that the insulator can be replaced conveniently, the maintenance safety and convenience are improved, and the service life of the device can be greatly prolonged.
In addition, other embodiments of the present disclosure also provide a crane, as shown in fig. 7-9, the crane includes a lightning rod assembly as described above, the lightning rod assembly is installed on the top of the crane, and is fixed on the structural member of the port crane through the second round steel 31 of the lightning rod bracket and the second rib plate 33 at the bottom of the lightning rod assembly, so that the crane can be protected by the lightning rod assembly from damaging the components of the crane equipment during the lightning strike,
further, as shown in fig. 7, a plurality of body lightning protection pipeline brackets 6 are arranged on the body of the crane in the embodiment from top to bottom, the body lightning protection pipeline brackets 6 are arranged at intervals, a plurality of grounding pipelines 5 are arranged on the pipeline brackets, meanwhile, grounding shoes 7 are arranged at the bottom of the crane body, grounding pieces arranged in the lightning rod combination device at the top are connected with grounding wires, one ends of the grounding wires are connected with the grounding pieces in the lightning rod combination device, the other ends of the grounding wires are connected with the grounding shoes at the bottom of the crane from top to bottom along the device on the body and the grounding pipeline on the body, lightning current is grounded, components of crane equipment are protected, and the whole crane is also protected.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present disclosure and not to limit, although the present disclosure has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present disclosure without departing from the spirit and scope of the technical solutions, and all of them should be covered in the claims of the present disclosure.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.
Claims (10)
1. A lightning rod combination device is characterized by comprising a lightning rod body, an insulator, a lightning rod bracket and a pipeline bracket;
one end of the lightning rod support in the length direction is detachably connected with an insulator, the insulator is detachably connected with a lightning rod body, a grounding part is arranged on the lightning rod body, a pipeline support is detachably fixed on the lightning rod support, and a grounding pipe is fixed on the pipeline support; and a grounding wire connected with the grounding piece is arranged in the grounding pipe.
2. A lightning rod assembly according to claim 1, wherein said lightning rod body comprises a first circular steel plate and a first round bar vertically disposed at the center of the first circular steel plate; a plurality of fixing holes for fixing the insulator are formed in the circumferential direction of the surface of the first circular steel plate.
3. The lightning rod assembly according to claim 2, wherein a plurality of first rib plates for reinforcing the first round bar are disposed between the first round bar and the first round steel plate.
4. A lightning rod assembly according to claim 3, wherein the grounding member is provided on one of the first webs.
5. A lightning rod assembly according to claim 2, wherein the lightning rod support comprises a second round bar, one end of the second round bar in the length direction is connected with a second round steel plate which is the same as the first round steel plate, and the other end of the second round bar is connected with second rib plates which are arranged in a circumferential manner on the outer wall surface of the round steel pipe.
6. A lightning rod assembly according to claim 5, wherein a plurality of connectors are attached along the length of the outer wall of the second round steel, each connector being bolted to a conduit support.
7. A lightning rod assembly according to claim 5, characterized in that the insulator is provided with bolt holes in its upper and lower surfaces.
8. A lightning rod assembly according to claim 1, wherein said conduit support is provided with a pair of spaced kidney-shaped apertures, and the ground pipe is secured to the conduit support by U-bolts.
9. A lightning rod assembly according to claim 8, wherein the duct bracket is an L-shaped bent plate, wherein the short plate of the L-shaped bent plate is fixed to the lightning rod bracket by a bolt, and the waist-shaped hole is formed in the long plate of the L-shaped bent plate.
10. A crane comprising a lightning rod assembly according to any one of claims 1 to 9, wherein the lightning rod support is welded to a structural member of the crane, and the crane body is also provided with a pipe support having a grounding pipe attached thereto, the grounding wire being connected to a grounding shoe on the crane body along the grounding pipe on the crane body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011522178.4A CN112736652A (en) | 2020-12-21 | 2020-12-21 | Lightning rod combination device and crane comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011522178.4A CN112736652A (en) | 2020-12-21 | 2020-12-21 | Lightning rod combination device and crane comprising same |
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| Publication Number | Publication Date |
|---|---|
| CN112736652A true CN112736652A (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011522178.4A Pending CN112736652A (en) | 2020-12-21 | 2020-12-21 | Lightning rod combination device and crane comprising same |
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| Country | Link |
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| CN (1) | CN112736652A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105896312A (en) * | 2014-11-17 | 2016-08-24 | 国家电网公司 | Lightning protection apparatus of installing lightning attractor on same tower of overhead power distribution line in insulation mode |
| CN108963948A (en) * | 2018-07-19 | 2018-12-07 | 北京无线电测量研究所 | A kind of lightning protection device for super large formed steel construction radar |
| CN109455628A (en) * | 2018-12-07 | 2019-03-12 | 中联重科股份有限公司 | Lightning-protection system and derrick crane for derrick crane |
| CN211127072U (en) * | 2019-11-18 | 2020-07-28 | 贵州电网有限责任公司 | Device for preventing overhead transmission line from lightning counterattack |
-
2020
- 2020-12-21 CN CN202011522178.4A patent/CN112736652A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105896312A (en) * | 2014-11-17 | 2016-08-24 | 国家电网公司 | Lightning protection apparatus of installing lightning attractor on same tower of overhead power distribution line in insulation mode |
| CN108963948A (en) * | 2018-07-19 | 2018-12-07 | 北京无线电测量研究所 | A kind of lightning protection device for super large formed steel construction radar |
| CN109455628A (en) * | 2018-12-07 | 2019-03-12 | 中联重科股份有限公司 | Lightning-protection system and derrick crane for derrick crane |
| CN211127072U (en) * | 2019-11-18 | 2020-07-28 | 贵州电网有限责任公司 | Device for preventing overhead transmission line from lightning counterattack |
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Application publication date: 20210430 |
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