CN112103772B - Portable lightning rod and lightning protection method - Google Patents

Abstract

The application relates to a portable lightning rod and a lightning protection method, wherein the portable lightning rod comprises a lightning rod body and an embedded part for fixing the body, and the lightning rod body comprises a hollow supporting rod and a telescopic rod which is arranged in the supporting rod and is in sliding fit with the supporting rod; the telescopic rod comprises a plurality of stages of single rods which are equal in length and are arranged in a hollow mode, and the single rod positioned outside of two adjacent stages of single rods is the upper-stage single rod, otherwise, the single rod is the lower-stage single rod; each stage of single rod is arranged in the upper stage single rod corresponding to the stage of single rod and is in sliding fit with the upper stage single rod, and the top end of each stage of single rod is provided with a driven rope connected with the bottom ends of the lower two stages of single rods corresponding to the stage of single rod; the top end of the supporting rod is provided with a driving rope connected with the bottom end of the lower-level single rod corresponding to the uppermost-level single rod. This application has the effect that realizes lightning arrester's use more convenient.

Description

Portable lightning rod and lightning protection method

Technical Field

The application relates to the technical field of lightning protection devices, in particular to a portable lightning rod and a lightning protection method.

Background

Lightning rods, also known as lightning rods and lightning rods, are devices used for protecting buildings, tall trees, electronic equipment exposed outdoors and the like from lightning strikes. The top end of the protected object is provided with a lightning receptor which is connected with a drainage ground net buried underground by a lead wire meeting the specification.

At present, in the process of field long-term operation, in order to ensure the safety of electronic equipment, a detachable lightning arrester needs to be installed in the field. And when non-thunder and lightning send out the season more, lightning arrester then need not carry out lightning protection work, consequently, in order to protect lightning arrester, then need remove lightning arrester, deposit to avoid external factors such as wind to cause the damage to lightning arrester.

However, the existing detachable lightning arrester is cumbersome to install and difficult to move, so that the lightning arrester is inconvenient to use.

Disclosure of Invention

In order to realize the effect that lightning arrester's use is more convenient, this application provides a portable lightning rod and lightning-arrest method.

First aspect, the application provides a portable lightning rod, adopts following technical scheme:

a portable lightning rod comprises a lightning rod body and an embedded part used for fixing the lightning rod body, wherein the lightning rod body comprises a support rod which is arranged in a hollow mode and a telescopic rod which is arranged in the support rod and is in sliding fit with the support rod;

the telescopic rods comprise single rods which are equal in length and arranged in a hollow mode, and the single rod positioned outside of two adjacent single rods is the upper-level single rod, otherwise, the single rod is the lower-level single rod; each stage of single rod is arranged in the upper stage single rod corresponding to the stage of single rod and is in sliding fit with the upper stage single rod, the top end of each stage of single rod is provided with a driven rope connected with the bottom end of the lower stage single rod corresponding to the stage of single rod, and each driven rope extends along the length direction of the lower stage single rod corresponding to the stage of single rod and bypasses the top end of the lower stage single rod corresponding to the stage of single rod;

the top end of the supporting rod is provided with a driving rope connected with the bottom end of the lower-level single rod corresponding to the uppermost-level single rod, and the driving rope extends along the length direction of the uppermost-level single rod and bypasses the top end of the uppermost-level single rod;

and a driving component for driving the single rod at the uppermost stage to lift is arranged in the supporting rod.

Through adopting above-mentioned technical scheme, multistage single pole can mutually support through drive assembly, initiative rope and driven rope, and then realizes multistage single pole and all follows the roll-off in the bracing piece to reduce every level single pole and need the independent connection and the time of wasting, thereby reach the effect that multistage single pole is synchronous flexible, install and dismantle with the realization lightning arrester body conveniently.

Optionally, the driving assembly includes a driving disc rotatably connected in the supporting rod, and a driving rope disposed outside the supporting rod and connected to the bottom end of the uppermost single rod is connected to the periphery of the driving disc.

Through adopting above-mentioned technical scheme, through rotating the driving-disc for the driving rope that the driving-disc periphery is connected can be wound to the periphery of driving-disc, and then makes the top single pole follow the bracing piece roll-off under the pulling of driving rope in, thereby provides the drive to stretching out of telescopic link.

Optionally, the surface of the driving disc is provided with a plurality of reset rods arranged along the circumferential direction of the driving disc, and the reset rods are connected with reset ropes which are arranged in the support rods and connected with the bottom end of the uppermost single rod.

Through adopting above-mentioned technical scheme, through the antiport driving-disc for the rope that resets can twine under the effect of many release links, and then makes the single pole of the top level slide back the bracing piece under the pulling of rope that resets, thereby provides the drive to retrieving of telescopic link.

Optionally, the bottom end of the supporting rod is provided with a base, the bottom end of the base is provided with an expansion pipe matched with the inner wall of the embedded part, the base is rotatably connected with a rotating disc extending along the circumferential direction of the base, the base is rotatably connected with a screw rod which is vertically arranged and fixedly connected with the rotating disc, and the screw rod is in threaded connection with a top support block which is arranged in the expansion pipe and is in sliding connection with the expansion pipe.

Through adopting above-mentioned technical scheme, when the drive rolling disc rotated, the screw rod can drive the top braced block and slide under the connection of rolling disc, when the top braced block slided to the expansion pipe bottom, just can strut the expansion pipe to realize expansion pipe and embedded part's fixed.

Optionally, the top end of the screw rod penetrates through the top surface of the base and is coaxially fixed with the driving disc.

Through adopting above-mentioned technical scheme, through the fixed of screw rod and driving-disc, and then when realizing that the drive rolling disc rotates, enable the synchronous rotation of screw rod and driving-disc, and then reach when realizing expansion pipe and built-in fitting butt joint fixed or split, can stretch out or withdraw the telescopic link from the bracing piece in to reduce ann and tear the step open, realize ann and tear the convenience open.

Optionally, the top end of each single rod is rotatably connected with a driven wheel in fit connection with a driven rope.

Through adopting above-mentioned technical scheme, driven rope can be through the cooperation with from the driving wheel, and it is more smooth and easy to realize that driven rope slides to it is more smooth when guaranteeing that the telescopic link is flexible.

Optionally, the top end of each level of the single rod is provided with an inward turning limiting piece, and the bottom end of each level of the single rod is provided with an outward turning limiting piece which abuts against the inward turning limiting piece of the higher level single rod corresponding to the level of the single rod.

Through adopting above-mentioned technical scheme, through the spacing piece of turning up and the spacing piece of turning up that each level single pole set up mutually support to can receive the limiting displacement of spacing piece when realizing stretching out of multistage single pole, thereby ensure the stability of telescopic link.

Optionally, each level the guide way of vertical setting is all seted up to the inner wall of single pole, and each level the outer wall of single pole all is equipped with the guide block with the higher level single pole's that this level single pole corresponds guide way sliding connection.

Through adopting above-mentioned technical scheme, through the sliding fit of the guide way and the guide block of multistage single pole inside and outside wall to realize multistage single pole more stable effect when relative slip.

In a second aspect, the present application provides a lightning protection method for a portable lightning rod, which adopts the following technical scheme:

a lightning protection method for a portable lightning rod, comprising the steps of:

s1, inserting the expansion pipe into the embedded pipe;

s2, butting the supporting flange with the embedded flange;

s3, moving the top support block downwards and supporting the expansion pipe to the inner wall of the embedded pipe to abut against the embedded pipe;

s4, winding the driving rope and sliding out the single rod at the uppermost level;

and S5, driving the driving rope and the driven rope to be matched by the single rod at the uppermost stage, and enabling the other single rods to slide out synchronously.

Through adopting above-mentioned technical scheme, insert the expansion pipe in pre-buried intraductal earlier to make supporting flange and pre-buried flange butt joint, with the preliminary installation that realizes lightning arrester fixed, later through moving down of top kicking block, the top kicking block can strut the expansion pipe, thereby strengthens the cooperation of expansion pipe and pre-buried pipe, realizes further fixed lightning arrester's installation. Meanwhile, the single rod at the top level slides out by winding the driving rope, and the sliding out of all the other single rods is realized under the matching of the driving rope and the driven rope, so that the effect of more convenient use can be achieved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the driving rope connected with the periphery of the driving disc can be wound to the periphery of the driving disc by rotating the driving disc, so that the uppermost single rod slides out of the supporting rod under the pulling of the driving rope, and the telescopic rod is driven to extend out; the multistage single rods can be matched with each other through the driving assembly, the driving rope and the driven rope, so that the multistage single rods can slide out of the supporting rods, the time wasted due to the fact that each stage of single rods needs to be connected independently is reduced, the effect of synchronous extension of the multistage single rods is achieved, and the lightning arrester body can be conveniently installed and detached;

2. through the fixed of screw rod and driving-disc, and then when realizing that the drive rolling disc rotates, enable the synchronous rotation of screw rod and driving-disc, and then reach when realizing that expansion pipe and built-in fitting butt joint are fixed or the split, can stretch out or withdraw the telescopic link from the bracing piece in to reduce ann and tear the step open, realize ann and tear the convenience open.

Drawings

Fig. 1 is a schematic view of the overall structure of the lightning arrester according to the present application.

Fig. 2 is a cross-sectional view of the embodiment highlighting the lightning conductor body and the embedment.

FIG. 3 is a schematic structural diagram of a highlight driving assembly according to an embodiment.

FIG. 4 is a schematic structural view of the embodiment highlighting expansion sleeve.

FIG. 5 is a flow chart of a method of lightning protection in the present application

Description of reference numerals: 1. a lightning arrester body; 11. a support bar; 12. a telescopic rod; 121. a first-stage single rod; 122. a second-stage single rod; 123. a three-stage single rod; 13. an active rope; 14. a driven rope; 15. a driven wheel; 16. an eversion limiting sheet; 17. an inward turning limiting sheet; 18. a guide groove; 19. a guide block; 2. embedding parts; 21. pre-burying a pipe; 22. pre-burying a flange; 3. a base; 31. a support flange; 32. rotating the disc; 33. a screw; 34. a jacking block; 4. a drive disc; 41. a drive rod; 411. a drive rope; 42. a reset lever; 421. a reset rope; 5. an expansion tube; 51. and (4) supporting the opening.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses portable lightning rod. Referring to fig. 1 and 2, the portable lightning rod comprises a lightning rod body 1 and an embedded part 2 for fixing the lightning rod body 1, the lightning rod body 1 comprises a hollow support rod 11 and a telescopic rod 12 which is arranged in the support rod 11 and is in sliding fit with the support rod 11, the support rod 11 is cylindrical, and the outer wall of the telescopic rod 12 is attached to the inner wall of the support rod 11; the embedded part 2 comprises a pre-embedded pipe 21 and an embedded flange 22 welded with the pre-embedded pipe 21, the pre-embedded pipe 21 is arranged in a hollow cylindrical shape, the pre-embedded pipe 21 is embedded in the ground, and the embedded flange 22 is arranged on the ground. The bottom of bracing piece 11 is provided with and is hollow circular cylinder's base 3, and the bottom welding of base 3 has the support flange 31 that can dock with pre-buried flange 22, and after support flange 31 and pre-buried flange 22 docked, alright realize the fixed of lightning arrester body 1.

Referring to fig. 1 and 2, the telescopic rod 12 includes single rods having a length of three levels equal to that of the support rod 11, all the single rods are hollow, the single rod located outside of two adjacent single rods is the upper-level single rod, otherwise, the single rod is the lower-level single rod, and the three-level single rod 123 includes a first-level single rod 121, a second-level single rod 122 and a third-level single rod 123 from outside to inside. The first-stage single rod 121 is arranged in the support rod 11 and is in sliding fit with the support rod 11, the second-stage single rod 122 is arranged in the first-stage single rod 121 and is in sliding fit with the first-stage single rod 121, and the third-stage single rod 123 is arranged in the second-stage single rod 122 and is in sliding fit with the second-stage single rod 122. Through one-level single pole 121, second grade single pole 122, tertiary single pole 123 three's sliding fit to realize the flexible of lightning arrester body 1, and then reduce lightning arrester and tear the time of wasting because of multistage single pole butt joint ann is torn open.

Referring to fig. 1 and 2, the top ends of the two sides of the supporting rod 11 are respectively connected with two active ropes 13, the two active ropes 13 both extend vertically and upwardly along the length direction of the primary single rod 121 and extend vertically and downwardly to the bottom end of the secondary single rod 122 after bypassing the top end of the primary single rod 121, and the ends of the two active ropes 13 far away from the end connected with the supporting rod 11 are respectively connected with the bottom ends of the two sides of the secondary single rod 122; the two active ropes 13 are equal in length and are respectively equal to the sliding distance of the second-stage single rod 122 in the first-stage single rod 121. When the primary single rod 121 slides out of the support rod 11, the top end of the primary single rod 121 can prop against the driving rope 13, so that the secondary single rod 122 can slide out of the primary single rod 121 under the traction of the driving rope 13, and the secondary single rod 122 can move along with the movement of the primary single rod 121.

Referring to fig. 1 and 2, the top ends of both sides of the first-stage single rod 121 are respectively connected with two driven ropes 14, the two driven ropes 14 both extend vertically and upwardly along the length direction of the second-stage single rod 122 and extend vertically and downwardly to the bottom end of the third-stage single rod 123 after bypassing the top end of the second-stage single rod 122, and the ends of the two driven ropes 14 far away from the end connected with the first-stage single rod 121 are respectively connected with the bottom ends of both sides of the third-stage single rod 123; the two driven ropes 14 are equal in length and are respectively equal to the sliding distance of the third-stage single rod 123 in the second-stage single rod 122. When the secondary single rod 122 slides out of the primary single rod 121, the top end of the secondary single rod 122 can prop against the driven rope 14, so that the tertiary single rod 123 can slide out of the secondary single rod 122 under the traction of the driven rope 14, and the tertiary single rod 123 can move along with the movement of the secondary single rod 122.

Referring to fig. 1 and 3, a driving assembly for driving the first-level single rod 121 to ascend and descend in the supporting rod 11 is arranged in the supporting rod 11, the driving assembly includes a driving disk 4 rotatably connected to the bottom surface of the supporting rod 11, four vertically arranged driving rods 41 are fixedly arranged on the surface of the driving disk 4, and the four driving rods 41 are uniformly arranged on the surface of the driving disk 4 along the circumferential direction of the driving disk 4. One of them actuating lever 41 is connected with the driving rope 411, and the driving rope 411 is keeping away from the one end of being connected with actuating lever 41 and wears to locate the lateral wall of bracing piece 11 and vertically upwards extends to the top of bracing piece 11 along the length direction of bracing piece 11, and the bottom of vertical downwardly extending to one-level single pole 121 behind the top of bracing piece 11 is walked around to the driving rope 411 and the bottom of first single pole is connected. When the driving disc 4 rotates clockwise, the driving rope 411 can wind around the four driving rods 41 under the action of the driving rods 41, so that the first-stage single rod 121 slides out of the supporting rod 11 under the traction of the driving rope 411, and the first-stage single rod 121 is driven to ascend.

Referring to fig. 1 and 3, four vertically arranged reset rods 42 are arranged on the surface of the driving disk 4, the four reset rods 42 are uniformly arranged on the surface of the driving disk 4 along the circumferential direction of the driving disk 4, and the distance from the four reset rods 42 to the center of the driving disk 4 is less than the distance from the four driving rods 41 to the center of the driving disk 4. One of the restoring rods 42 is connected with a restoring rope 421, and the restoring rope 421 is arranged inside the supporting rod 11 and connected with the bottom end of the first-stage single rod 121. When the driving disc 4 rotates counterclockwise, the reset rope 421 can wind around to four reset rods 42 under the action of the reset rods 42, so that the first-stage single rod 121 slides back into the supporting rod 11 under the traction of the reset rope 421, thereby realizing the driving of descending the first-stage single rod 121.

Referring to fig. 1, the top ends of both sides of the first-stage single rod 121 and the second-stage single rod 122 are rotatably connected with the driven wheel 15, the rotating shaft of the driven wheel 15 is horizontally arranged, and each driven wheel 15 is connected with the driven rope 14 connected with the single rod where the driven wheel is located in a matching manner, so that the sliding fluency of the driving rope 13 and the driven rope 14 is improved, and further the sliding fluency of each stage of single rod is improved.

Referring to fig. 1 and 2, the top ends of the support rod 11, the primary single rod 121 and the secondary single rod 122 are fixedly connected with inward-turning limiting pieces 17, each inward-turning limiting piece 17 extends along the circumferential direction of the single rod where the inward-turning limiting piece is located, and the drift diameter of each inward-turning limiting piece 17 is smaller than that of the single rod where the inward-turning limiting piece is located; the bottom ends of the first-stage single rod 121, the second-stage single rod 122 and the third-stage single rod 123 are fixedly connected with outward turning limiting pieces 16, each outward turning limiting piece 16 extends along the circumferential direction of the single rod where the outward turning limiting piece is located, and the drift diameter of each outward turning limiting piece 16 is larger than that of the single rod where the outward turning limiting piece is located. When all the single rods slide out, the outward turning limiting piece 16 at the bottom end of the first-level single rod 121 can be abutted against the inward turning limiting piece 17 at the top end of the supporting rod 11 to limit the sliding range of the first-level single rod 121, the outward turning limiting piece 16 at the bottom end of the second-level single rod 122 can be abutted against the inward turning limiting piece 17 at the top end of the first-level single rod 121 to limit the sliding range of the second-level single rod 122, and the outward turning limiting piece 16 at the bottom end of the third-level single rod 123 can be abutted against the inward turning limiting piece 17 at the top end of the second-level single rod 122 to limit the sliding range of the third-level single rod 123, so that the sliding stability of all the single rods is guaranteed.

Referring to fig. 1 and 2, the inner walls of the support rod 11, the first-stage single rod 121 and the second-stage single rod 122 are all provided with a guide groove 18 which is vertically arranged, and the everting limiting pieces 16 at the bottom ends of the first-stage single rod 121, the second-stage single rod 122 and the third-stage single rod 123 are all fixedly connected with a guide block 19 which is in sliding connection with the guide groove 18; when the first-stage single rod 121, the second-stage single rod 122 and the third-stage single rod 123 slide relatively, more stable sliding can be realized under the sliding fit of the guide block 19 and the guide groove 18.

Referring to fig. 1 and 4, the bottom surface of the support flange 31 is fixedly connected with an expansion pipe 5 which is vertically arranged, and the expansion pipe 5 vertically extends downwards into the embedded pipe 21 and is attached to the inner wall of the embedded pipe 21; the top that four vertical settings propped mouth 51 is seted up to the bottom of expansion pipe 5, and every top props mouth 51 all communicates with the bottom of expansion pipe 5, and expansion pipe 5 can prop the top of opening realization expansion pipe 5 through the top that props mouth 51, and then realizes that expansion pipe 5 is fixed with the laminating of pre-buried pipe 21, reaches further firm lightning arrester body 1 and built-in fitting 2 and is connected.

Referring to fig. 2 and 4, a vertically arranged screw 33 is rotatably connected in the base 3, the bottom end of the screw 33 vertically extends downwards into the expansion pipe 5, and the bottom end of the screw 33 is in threaded connection with a top support block 34 slidably connected with the inner wall of the expansion pipe 5; when the screw 33 is rotated, the top bracing block 34 is driven to move downwards and brace the top bracing opening 51. The top end of the screw 33 extends vertically upwards and penetrates through the bottom end of the support rod 11, and the top end of the screw 33 is fixedly connected with the driving disc 4 so as to realize synchronous movement of the driving disc 4 and the top support block 34.

Referring to fig. 1 and 2, the screw 33 and the driving disc 4 are fixed, so that the screw 33 and the driving disc 4 can synchronously rotate, the expansion pipe 5 and the embedded part 2 can be butted and fixed or detached, and the expansion rod 12 can be extended out of or retracted into the supporting rod 11, so that the mounting and dismounting steps are reduced, and mounting and dismounting convenience is realized.

Referring to fig. 1 and 2, the base 3 is rotatably connected with a rotating disc 32 extending along the circumferential direction of the base 3, and the inner wall of the rotating disc 32 is fixedly connected with a screw 33 so as to drive the screw 33.

The implementation principle of the portable lightning rod in the embodiment of the application is as follows: during the use, insert expansion pipe 5 in pre-buried pipe 21 earlier to support flange 31 and pre-buried flange 22 butt joint, in order to realize the fixed of lightning arrester body 1 and built-in fitting 2, later drive rolling disc 32 rotates, so that the screw rod 33 who is connected with rolling disc 32 rotates, and then drives the removal of propping piece 34, props expansion pipe 5 top, in order to realize the reinforcement fixed to lightning arrester body 1. Meanwhile, the screw 33 can drive the driving disc 4 to rotate when rotating, so as to drive the first-stage single rod 121 to slide out of the supporting rod 11 under the action of the driving rope 411, and under the cooperation of the driving rope 13 and the driven rope 14, the second-stage single rod 122 and the third-stage single rod 123 slide out synchronously, so that the lightning arrester can be installed conveniently.

The embodiment of the application also discloses a lightning protection method for the portable lightning rod. Referring to fig. 5, the lightning protection method includes the steps of:

step S1, inserting the expansion pipe 5 into the embedded pipe 21 in the vertical direction to enable the supporting flange 31 and the embedded flange 22 to be abutted against each other, and aligning the assembly holes in the supporting flange 31 with the assembly holes in the embedded flange 22;

step S2, butting the supporting flange 31 and the embedded flange 22 through bolts to fix the lightning arrester body 1 on the embedded part 2, so as to achieve the primary fixation of the lightning arrester body 1;

step S3, the rotation of the rotating disc 32 can drive the adjusting screw 33 to rotate, and further the propping block 34 is driven to move downwards to the lower end part of the expansion pipe 5, so that the expansion pipe 5 is propped against the inner wall of the embedded pipe 21, and the connection between the expansion pipe 5 and the embedded pipe 21 is further stabilized;

step S4, the driving disc 4 can be driven to rotate while the adjusting screw 33 rotates, and then the driving rope 411 is wound under the action of the driving rod 41, so that the primary single rod 121 slides out of the supporting rod 11 under the traction of the driving rope 411;

step S5, the primary single rod 121 slides out and simultaneously can drive the driving rope 13 to slide, so that the secondary single rod 122 is driven to slide out of the primary single rod 121, the secondary single rod 14 can be driven to slide when the primary single rod 121 slides out, and then the tertiary single rod 123 is driven to slide out of the secondary single rod 122, so that the effect of more convenient use can be achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (5)

1. The utility model provides a portable lightning rod, includes lightning rod body (1) and built-in fitting (2) that are used for fixed lightning rod body (1), its characterized in that: the lightning rod body (1) comprises a hollow support rod (11) and a telescopic rod (12) which is arranged in the support rod (11) and is in sliding fit with the support rod (11);

the telescopic rod (12) comprises a plurality of stages of hollow single rods with equal length, and the single rod positioned outside of two adjacent stages of single rods is the upper-stage single rod, otherwise, the single rod is the lower-stage single rod; each stage of single rod is arranged in the upper stage single rod corresponding to the stage of single rod and is in sliding fit with the upper stage single rod, the top end of each stage of single rod is provided with a driven rope (14) connected with the bottom end of the single rod of the lower stage corresponding to the stage of single rod, and each driven rope (14) extends along the length direction of the lower stage single rod corresponding to the stage of single rod and bypasses the top end of the lower stage single rod corresponding to the stage of single rod;

the top end of the support rod (11) is provided with a driving rope (13) connected with the bottom end of the lower-level single rod corresponding to the uppermost-level single rod, and the driving rope (13) extends along the length direction of the uppermost-level single rod and bypasses the top end of the uppermost-level single rod;

a driving component for driving the single rod at the uppermost level to lift is arranged in the supporting rod (11);

the driving assembly comprises a driving disc (4) which is rotatably connected in the supporting rod (11), and the periphery of the driving disc (4) is connected with a driving rope (411) which is arranged outside the supporting rod (11) and connected with the bottom end of the uppermost single rod;

a plurality of reset rods (42) which are arranged along the circumferential direction of the driving disc (4) are arranged on the surface of the driving disc (4), and reset ropes (421) which are arranged in the supporting rods (11) and connected with the bottom end of the uppermost single rod are connected to the reset rods (42);

the bottom end of the supporting rod (11) is provided with a base (3), the bottom end of the base (3) is provided with an expansion pipe (5) matched with the inner wall of the embedded part (2), the base (3) is rotatably connected with a rotating disc (32) extending along the circumferential direction of the base (3), the base (3) is rotatably connected with a screw rod (33) which is vertically arranged and fixedly connected with the rotating disc (32), and the screw rod (33) is in threaded connection with a top support block (34) which is arranged in the expansion pipe (5) and is in sliding connection with the expansion pipe (5);

the top end of the screw rod (33) penetrates through the top surface of the base (3) and is coaxially fixed with the driving disc (4).

2. A portable lightning rod according to claim 1, characterised in that: the top end of each stage of the single rod is rotatably connected with a driven wheel (15) which is matched and connected with a driven rope (14).

3. A portable lightning rod according to claim 1, characterised in that: the top end of each level of the single rod is provided with an inward turning limiting piece (17), and the bottom end of each level of the single rod is provided with an outward turning limiting piece (16) which is abutted against the inward turning limiting piece (17) of the upper level single rod corresponding to the level of the single rod.

4. A portable lightning rod according to claim 1, characterised in that: every level the inner wall of single pole all sets up vertical setting guide way (18), every level the outer wall of single pole all is equipped with guide block (19) with the higher level single pole's that this level single pole corresponds guide way (18) sliding connection.

5. A lightning protection method for a portable lightning rod according to any one of claims 1-4, characterised in that it comprises the following steps:

s1, inserting the expansion pipe (5) into the embedded pipe (21);

s2, butting the supporting flange (31) with the embedded flange (22);

s3, moving the supporting block (34) downwards and supporting the expansion pipe (5) to the inner wall of the embedded pipe (21) to be abutted;

s4, winding the driving rope (411) and sliding out the single rod at the uppermost level;

s5, the single rod at the top level drives the driving rope (13) and the driven rope (14) to be matched and enables the other single rods to slide out synchronously.

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