CN218997094U - Tower crane lightning protection earthing device - Google Patents
Tower crane lightning protection earthing device Download PDFInfo
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- CN218997094U CN218997094U CN202222996585.XU CN202222996585U CN218997094U CN 218997094 U CN218997094 U CN 218997094U CN 202222996585 U CN202222996585 U CN 202222996585U CN 218997094 U CN218997094 U CN 218997094U
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- tower crane
- connecting piece
- lightning protection
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Abstract
The utility model discloses a lightning protection grounding device of a tower crane, which belongs to the technical field of tower cranes and comprises a tower crane underframe, wherein a prefabricated connecting piece is arranged at the bottom end of the tower crane underframe, an anchor bolt is connected to the bottom end of the prefabricated connecting piece corresponding to the tower crane underframe, a wire arranging component is arranged on the bottom end surface of the prefabricated connecting piece, a lightning protection gasket I is arranged at one end of the prefabricated connecting piece, a bolt I is arranged in the prefabricated connecting piece corresponding to the lightning protection gasket I, a PE wire is connected to one end of the lightning protection gasket I, a lightning protection gasket II is connected to one end of the PE wire, a bolt II is arranged at one side of the lightning protection gasket II, and an embedded flat iron is arranged at the bottom end of the bolt II; according to the utility model, the connecting piece is installed through the bolt, so that the material of the main body structure of the tower crane is not damaged, the structural integrity of the tower crane is effectively protected, the PE wire and the lightning protection gasket can be recycled, and the method plays a positive promoting role in green civilized construction.
Description
Technical Field
The utility model belongs to the technical field of tower cranes, and particularly relates to a lightning protection grounding device of a tower crane.
Background
The tower crane is a lifting device which is most commonly used on a building site, is also called as a tower crane, and is used for lifting raw materials for construction such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction by lengthening (height) one by one. The tower crane is an indispensable equipment on the site.
The prior art has the following problems: at present, the lightning protection grounding device which is mainly used in the field of tower cranes or applied in a large range is used for realizing lightning protection grounding of the tower cranes by directly connecting a tower crane foundation base through a mode of welding reinforcing ribs, the method is simpler and more direct, but the method damages the material rigidity of a main body structure of the tower crane, changes the ultimate state bearing capacity of the material, causes irreversible damage to the structural integrity stability of the main body of the tower crane, and the reinforcing ribs used for welding are not suitable for being used for multiple times, so that the material is wasted, the welding quality is finished manually, and the specific lightning protection conductivity of the lightning protection grounding device has uncertainty.
Disclosure of Invention
To solve the problems set forth in the background art. The utility model provides a lightning protection grounding device of a tower crane, which has the characteristics of convenient installation and repeated use.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tower crane lightning protection earthing device, includes the tower crane chassis, the bottom of tower crane chassis is provided with prefabricated connecting piece, and the bottom of prefabricated connecting piece corresponds the tower crane chassis and is connected with rag bolt, and the bottom surface of prefabricated connecting piece is provided with reason line subassembly, and the one end of prefabricated connecting piece is provided with lightning protection gasket one, and the inside of prefabricated connecting piece corresponds lightning protection gasket one and is provided with bolt one, and the one end of lightning protection gasket one is connected with the PE line, and the one end of PE line is connected with lightning protection gasket two, and one side of lightning protection gasket two is provided with bolt two, and the bottom of bolt two is provided with pre-buried band iron.
Preferably, the surface of the PE wire is coated with an insulating sleeve, and the surface of the insulating sleeve is provided with a light reflecting strip.
Preferably, the prefabricated connecting piece is arranged to be of a conical structure, and the corners of the prefabricated connecting piece are passivated.
Preferably, the reason line subassembly includes insulator spindle, spacing spring, limit baffle and wire winding pole, and wherein, the bottom mounting of prefabricated connecting piece has the insulator spindle, and the surface of insulator spindle cup joints and is provided with spacing spring, and the bottom of insulator spindle is provided with limit baffle, and limit spring's upper end is connected with the wire winding pole.
Preferably, an abutting block is arranged at the upper end of one side, far away from the insulating rod, of the winding rod.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the connecting piece is installed through the bolt, the material of the main body structure of the tower crane is not damaged, the structural integrity of the tower crane is effectively protected, the PE wire and the lightning protection gasket can be recycled, the positive promotion effect can be achieved on green civilized construction, the fire operation is effectively avoided, the operation time and the operation safety are greatly saved, meanwhile, the PE wire can be tidied and wound, the cable is prevented from being touched by workers in a construction site, the service life of the cable is prolonged, the use strength is ensured, and the damage probability is reduced.
Drawings
FIG. 1 is a perspective view of the structure of the present utility model;
fig. 2 is a schematic structural diagram of a wire management assembly according to the present utility model.
In the figure: 1. a tower crane underframe; 2. prefabricating a connecting piece; 3. an anchor bolt; 4. a wire arranging assembly; 41. an insulating rod; 42. a limit spring; 43. a limit baffle; 44. a winding rod; 45. an abutment block; 5. a first bolt; 6. a lightning protection gasket I; 7. PE wires; 8. a second lightning protection gasket; 9. a second bolt; 10. and embedding flat iron.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, the present utility model provides the following technical solutions: the utility model provides a tower crane lightning protection earthing device, including tower crane chassis 1, the bottom of tower crane chassis 1 is provided with prefabricated connecting piece 2, the bottom of prefabricated connecting piece 2 corresponds tower crane chassis 1 and is connected with rag bolt 3, the bottom surface of prefabricated connecting piece 2 is provided with reason line subassembly 4, the one end of prefabricated connecting piece 2 is provided with lightning protection gasket one 6, the inside of prefabricated connecting piece 2 corresponds lightning protection gasket one 6 and is provided with bolt one 5, the one end of lightning protection gasket one 6 is connected with PE line 7, the one end of PE line 7 is connected with lightning protection gasket two 8, one side of lightning protection gasket two 8 is provided with bolt two 9, the bottom of bolt two 9 is provided with pre-buried band iron 10.
Specifically, the surface cladding of PE line 7 has insulating cover, and the surface of insulating cover is provided with the reflection of light strip.
Through adopting above-mentioned technical scheme, be convenient for remind the staff, prevent to bump by mistake PE line 7.
Specifically, the prefabricated connecting piece 2 is arranged to be of a conical structure, and the corners of the prefabricated connecting piece 2 are subjected to passivation treatment.
By adopting the technical scheme, the use safety of the prefabricated connecting piece 2 is improved.
Specifically, the wire arranging assembly 4 comprises an insulating rod 41, a limiting spring 42, a limiting baffle 43 and a winding rod 44, wherein the insulating rod 41 is fixed at the bottom end of the prefabricated connecting piece 2, the limiting spring 42 is sleeved on the surface of the insulating rod 41, the limiting baffle 43 is arranged at the bottom end of the insulating rod 41, and the winding rod 44 is connected to the upper end of the limiting spring 42.
Through adopting above-mentioned technical scheme, can carry out the rolling arrangement to unnecessary PE line 7, prevent that PE line 7 from being disordered and leading to constructor tripping, draw wire winding pole 44 along insulator spindle 41 downwardly and make spacing spring 42 atress compression, then with PE line 7 around the surface at wire winding pole 44, after the rolling is accomplished, loosen wire winding pole 44 and make spacing spring 42 reset, butt piece 45 butt is in the bottom of prefabricated connecting piece 2 this moment, make the stroke space between wire winding pole 44 and the prefabricated connecting piece 2, prevent that PE line 7 from receiving the extrusion, improve equipment's life.
Specifically, an abutment block 45 is provided at the upper end of the side of the winding rod 44 remote from the insulating rod 41.
Through adopting above-mentioned technical scheme, butt piece 45 butt is in the bottom of prefabricated connecting piece 2 for the stroke space between wire winding pole 44 and the prefabricated connecting piece 2 prevents that PE line 7 from receiving the extrusion.
The first lightning protection gasket 6 and the second lightning protection gasket 8 are of the prior art, and the model of the lightning protection gasket is HBR-030.
The pre-buried flat iron 10 is a prior disclosed technology, and the model selected by the utility model is ANFL40 x 4.
The working principle and the using flow of the utility model are as follows: when the anti-lightning device is used, before equipment is used, the prefabricated connecting piece 2 corresponds to the bottom end of the tower crane underframe 1, then the foundation bolt 3 passes through the prefabricated connecting piece 2 and is screwed and fixed at the bottom end of the tower crane underframe 1, then the two ends of the PE wire 7 are respectively connected with the first lightning protection gasket 6 and the second lightning protection gasket 8 in a cladding way through the insulating sleeve, stable contact is ensured, the first lightning protection gasket 6 is arranged in the prefabricated connecting piece 2 through the first bolt 5, the second lightning protection gasket 8 is arranged on the surface of the embedded flat iron 10 through the second bolt 9, and finally the embedded flat iron 10 is embedded under the ground, so that the lightning protection effect of the tower crane is ensured. After the installation is completed, the extra PE wires 7 can be wound and tidied, constructors are prevented from tripping due to disorder of the PE wires 7, the winding rod 44 is pulled downwards along the insulating rod 41 to enable the limiting spring 42 to be stressed and compressed, then the PE wires 7 are wound on the surface of the winding rod 44, after the winding is completed, the winding rod 44 is loosened to enable the limiting spring 42 to reset, at the moment, the abutting blocks 45 are abutted to the bottom end of the prefabricated connecting piece 2, a travel gap between the winding rod 44 and the prefabricated connecting piece 2 is formed, the PE wires 7 are prevented from being extruded, and the service life of equipment is prolonged.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a tower crane lightning protection earthing device, includes tower crane chassis, its characterized in that: the bottom of tower crane chassis is provided with prefabricated connecting piece, and the bottom of prefabricated connecting piece corresponds the tower crane chassis and is connected with rag bolt, and the bottom surface of prefabricated connecting piece is provided with reason line subassembly, and the one end of prefabricated connecting piece is provided with lightning protection gasket one, and the inside of prefabricated connecting piece corresponds lightning protection gasket one and is provided with bolt one, and the one end of lightning protection gasket one is connected with the PE line, and the one end of PE line is connected with lightning protection gasket two, and one side of lightning protection gasket two is provided with bolt two, and the bottom of bolt two is provided with pre-buried band iron.
2. The tower crane lightning grounding device according to claim 1, wherein: the surface cladding of PE line has insulating cover, and the surface of insulating cover is provided with the reflection of light strip.
3. The tower crane lightning grounding device according to claim 1, wherein: the prefabricated connecting piece is arranged to be of a conical structure, and passivation is adopted at the corners of the prefabricated connecting piece.
4. The tower crane lightning grounding device according to claim 1, wherein: the wire arranging assembly comprises an insulating rod, a limiting spring, a limiting baffle and a winding rod, wherein the insulating rod is fixed at the bottom end of the prefabricated connecting piece, the limiting spring is sleeved on the surface of the insulating rod, the limiting baffle is arranged at the bottom end of the insulating rod, and the winding rod is connected to the upper end of the limiting spring.
5. The tower crane lightning grounding device according to claim 4, wherein: the upper end of one side of the winding rod far away from the insulating rod is provided with an abutting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222996585.XU CN218997094U (en) | 2022-11-08 | 2022-11-08 | Tower crane lightning protection earthing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222996585.XU CN218997094U (en) | 2022-11-08 | 2022-11-08 | Tower crane lightning protection earthing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218997094U true CN218997094U (en) | 2023-05-09 |
Family
ID=86197507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222996585.XU Active CN218997094U (en) | 2022-11-08 | 2022-11-08 | Tower crane lightning protection earthing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218997094U (en) |
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2022
- 2022-11-08 CN CN202222996585.XU patent/CN218997094U/en active Active
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