CN210926608U

CN210926608U - Automatic lifting lightning rod

Info

Publication number: CN210926608U
Application number: CN201922392959.5U
Authority: CN
Inventors: 韩帅; 张婉; 汪阳
Original assignee: Beijing Xingtiantong Telecommunications Technology Co ltd
Current assignee: Beijing Xingtiantong Telecommunications Technology Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-07-03
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses an automatic over-and-under type lightning rod, the on-line screen storage device comprises a base, the base is provided with the lifter, the lifter is multistage, and is adjacent cup joint each other between the lifter, from outer multistage to interior the external diameter of lifter reduces gradually, every level be provided with differential assembly pulley on the lifter, the multiunit differential assembly pulley passes through the haulage rope and connects, be provided with the book that is used for receiving and releasing the haulage rope on the base and put the subassembly, its characterized in that is provided with spacing subassembly between the adjacent stage lifter, spacing subassembly includes vertical stopper and vertical spacing groove, vertical stopper is followed the length direction of lifter sets up, vertical stopper is pegged graft in vertical spacing groove, vertical stopper and vertical spacing groove sliding connection. It has the advantage that improves lightning rod stability.

Description

Automatic lifting lightning rod

Technical Field

The utility model relates to a lightning protection equipment technical field, in particular to automatic over-and-under type lightning rod.

Background

The lightning rod (also called as a lightning rod) is commonly used for large buildings and high-rise buildings, buildings in typhoon areas, open squares, airports, vehicles, ships and places with special requirements, and utilizes the electrostatic induction of a lightning rod needle head to lead the tip of a conductor to gather a large amount of charges, so that the lightning rod and a charged cloud layer form a capacitor, a passage is formed between the lightning rod and the charged cloud layer, the lightning rod is grounded through the lightning rod, the charges on the cloud layer are led into the ground, the lightning is prevented from being directly applied to the buildings and other places to damage the buildings and the like, and the lightning rod plays a good protection role in the buildings, the open squares, the airports and the like.

The prior patent document with the publication number of CN207320570U discloses an intelligent full-automatic lifting lightning arrester, which comprises a rod body consisting of a plurality of stages of telescopic loop bars, a differential pulley block fixed at the upper end of each stage of telescopic loop bar and a traction rope wound around the differential pulley block; the top of the body of rod is connected with the lightning rod through quick connect device, and the lateral surface of the lower extreme of the body of rod is fixed with the serving device who has two kinds of drive modes of manual and electronic, wears to be equipped with insulating downlead in the flexible loop bar of inlayer of the body of rod, the upper end of the flexible loop bar of inlayer be provided with the traction plate that the downlead links to each other, the lower extreme of the body of rod is provided with the inner chamber, the inside of inner chamber is provided with automatic winder of spring and controlling means, controlling means microcontroller, microcontroller are connected with micro-control switch and wireless transceiver module, are provided with spacing sensor and lower limit sensor on the outer flexible loop bar of.

Although this intelligent full-automatic lift formula lightning equipment passes through humidity and the temperature variation condition in the air when temperature sensor and humidity transducer response weather variation to in time with detection data feedback to microcontroller, so that microcontroller can control the electromagnetic type driver before the thunder and lightning arrives and carry out the drive of quick response to the serving reel.

Because this intelligent full-automatic lift formula lightning equipment comprises multistage flexible loop bars, every grade of flexible loop bar includes the flexible loop bar of inlayer, and the external diameter of the flexible loop bar of inlayer of the flexible loop bar of adjacent level increases progressively from inside to outside step by step, connects through the differential pulley group between the flexible loop bar of adjacent level, realizes the concertina movement of flexible loop bar. However, the telescopic loop bar of inlayer and the flexible loop bar of cover locate not spacing between the outside body of rod of inlayer, when external force acts on multistage telescopic loop bar, external force probably leads to the relative position skew between the body of rod and the telescopic loop bar of inlayer, simultaneously, along with the riseing step by step of multistage telescopic loop bar, the external diameter of the telescopic loop bar of inlayer reduces gradually for the stability of lightning rod reduces.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an automatic over-and-under type lightning rod, it has the advantage that improves lightning rod stability.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides an automatic over-and-under type lightning rod, includes the base, the base is provided with the lifter, the lifter is multistage, and is adjacent cup joint each other between the lifter, multistage from outside to inside the external diameter of lifter reduces gradually, every grade be provided with differential assembly pulley on the lifter, the multiunit differential assembly pulley passes through the haulage rope and connects, be provided with the book that is used for receiving and releasing the haulage rope on the base and put the subassembly, its characterized in that is provided with spacing subassembly between the adjacent grade lifter, spacing subassembly includes vertical stopper and vertical spacing groove, vertical stopper is followed the length direction of lifter sets up, vertical stopper is pegged graft in vertical spacing groove, vertical stopper and vertical spacing groove sliding connection.

Through adopting above-mentioned technical scheme, tentatively fix through the base the utility model discloses, put the subassembly through the book and tighten up or emit the haulage rope, because the haulage rope is around connecing in the differential assembly pulley of multiunit, when the haulage rope reaction when the rolling differential assembly pulley, make the differential assembly pulley drive the lifter rise, when the haulage rope is loosened, differential assembly pulley and lifter descend step by step under the effect of self gravity, realize the lift of multistage lifter. Through vertical stopper and vertical spacing groove sliding connection, every grade of lifter is when ascending or descending, the vertical stopper moves along the length direction of vertical spacing groove, realize the motion of lifter in vertical direction, because vertical stopper pegs graft in the inside of vertical spacing groove, when external force acts on multistage lifter, make vertical stopper keep the state of the length direction motion along vertical spacing groove under the limiting displacement of vertical spacing groove, thereby keep the vertical motion state of lifter, keep the stability of multistage lifter in the elevating motion process. After the elevating movement of accomplishing multistage lifter, the subassembly is put to the locking book, makes multistage lifter location at the height of injecing under the effect of haulage rope and multiunit differential assembly, and when external force acts on multistage lifter, the setting of vertical stopper and vertical spacing groove has increased the joint strength between the adjacent every grade lifter to improve the stability of lightning rod, improve the lodging resistance nature of lightning rod.

The utility model discloses further set up to: the limiting assemblies are multiple groups, and the multiple groups of limiting assemblies are in a circumferential array.

Through adopting above-mentioned technical scheme, spacing the lifter between the spacing subassembly of multiunit, the joint strength between the adjacent every grade lifter of reinforcing further improves the stability and the lodging resistance of lightning rod.

The utility model discloses further set up to: and a fixing mechanism for keeping the lifting rod in a vertical state is arranged between the lifting rod and the base.

Through adopting above-mentioned technical scheme, after accomplishing the elevating movement of multistage lifter, multistage lifter location is at the height of injecing, through setting up fixed establishment, realizes the fixed to multistage lifter, prevents that the crooked idol of lightning rod from empting under the effect of external force to improve the lodging resistance of lightning rod.

The utility model discloses further set up to: the fixing mechanism comprises a fixing ring group fixedly arranged on the lifting rod and a lacing wire arranged on the fixing ring group, the fixing ring group comprises two fixing rings which are oppositely arranged, one end of the lacing wire, far away from the fixing rings, is fixedly connected with the base, and the base is provided with a tensioning device used for maintaining the tensioning state of the lacing wire.

Through adopting above-mentioned technical scheme, the lacing wire through two sets of relative settings respectively to both sides pulling lifter, the lifter keeps vertical state under the effect of both sides pulling force. Make the lacing wire keep the tensioning state through overspeed device tensioner, keep both sides lacing wire to the pulling of lifter, when external force acts on the lifter, because overspeed device tensioner tensioning with the lacing wire to keep the vertical state of lifter, improve the stability of lightning rod, improve the lodging resistance of lightning rod.

The utility model discloses further set up to: the tensioning device comprises a clamping assembly and a tensioning assembly linked with the clamping assembly, and the tensioning assembly can drive the clamping assembly to move towards one side far away from the lifting rod.

Through adopting above-mentioned technical scheme, mutually support through taut subassembly and clamping components, taut subassembly drives clamping components and removes to the one side of keeping away from the lifter, is convenient for realize the taut to the lacing wire.

The utility model discloses further set up to: the clamping assembly comprises a pressing plate and a fixing plate fixedly arranged on the base, the pressing plate is fixedly connected with the fixing plate through a threaded rod, the threaded rod penetrates through the pressing plate and then is in threaded connection with the fixing plate, and one end, far away from the lifting rod, of the lacing wire is fixedly connected with the pressing plate.

Through adopting above-mentioned technical scheme, with lacing wire and clamp plate fixed connection, to the one side removal clamp plate that is close to the fixed plate, the clamp plate realizes the taut to the lacing wire at the in-process that removes, through threaded rod and fixed plate threaded connection, realizes the rigidity between fixed plate and the clamp plate to keep the fixed of clamp plate to the lacing wire and take-up the effect.

The utility model discloses further set up to: the tensioning assembly comprises a supporting seat, a transmission rod group and a pull rod, the transmission rod group is connected with the supporting seat in a rotating mode, the pull rod is connected with the transmission rod group in a rotating mode, one end, far away from the transmission rod group, of the pull rod penetrates through the pressing plate and the fixing plate, the pull rod is provided with a stop block for preventing the pressing plate from being separated, and the base is provided with a fixing assembly used for keeping a lacing wire tensioning pulling state.

Through adopting above-mentioned technical scheme, rotate the drive link group, drive link group drives the pull rod and moves along the axis direction of pull rod, and the pull rod drives the dog motion, and the dog acts on the clamp plate, makes the clamp plate to the tight top of one side that is close to the fixed plate to the realization is to the further take-up effect of lacing wire.

The utility model discloses further set up to: a compression elastic piece is arranged between the stop block and the pressing plate, the compression elastic piece is sleeved on the pull rod, one end of the compression elastic piece abuts against the stop block, and the other end of the compression elastic piece abuts against the pressing plate.

By adopting the technical scheme, the transmission rod group drives the pull rod to move along the axis direction of the pull rod, the pull rod drives the stop block to move, the stop block extrudes the compression elastic piece, the compression elastic piece is in an unnatural state, and the compression elastic piece reversely acts on the pressing plate, so that the pressing plate tightly pushes the fixing plate to realize the tensioning effect on the lacing wire; on the other hand, through setting up the compression elastic component, avoid the direct contact of clamp plate and dog, realize the buffering of effort between dog and the clamp plate.

The utility model discloses further set up to: one end of the compression elastic piece, which is far away from the stop block, is provided with a butt block which is butted against the pressing plate, and the butt block is connected with the pull rod in a sliding manner.

Through adopting above-mentioned technical scheme, through setting up the butt joint piece, the active area of increase compression elastic component and clamp plate makes the clamp plate spacing between butt joint piece and fixed plate.

The utility model discloses further set up to: the transmission rod group comprises a first transmission rod and a second transmission rod, the first transmission rod is rotatably connected with the supporting seat, the second transmission rod is rotatably connected with the pull rod, one end, far away from the pull rod, of the second transmission rod is rotatably connected with the middle of the first transmission rod, and one end, far away from the supporting seat, of the first transmission rod is hinged with a moving rod.

By adopting the technical scheme, the moving rod is driven, the moving rod drives the first transmission rod to rotate, the first transmission rod drives the second transmission rod to rotate, and the second transmission rod drives the pull rod to move along the axis direction of the pull rod, so that the pull rod is pulled.

To sum up, the utility model discloses following beneficial effect has: through the base is tentatively fixed the utility model discloses, put the subassembly through the book and tighten up or emit the haulage rope, realize the lift of multistage lifter. Through the sliding connection of the vertical limiting block and the vertical limiting groove, on one hand, when each lifting rod is lifted up or lowered down, the vertical limiting block moves along the length direction of the vertical limiting groove, so that the movement of the lifting rod in the vertical direction is realized, and the stability of the multi-stage lifting rod in the lifting movement process is kept; on the other hand, the connection strength between adjacent lifting rods of each stage is increased, so that the stability of the lightning rod is improved, and the lodging resistance of the lightning rod is improved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a sectional view taken along line B-B of FIG. 3;

fig. 5 is an enlarged view of a portion C in fig. 4.

In the figure, 1, a base; 2. a lifting rod; 3. a differential pulley block; 4. a hauling rope; 5. a winding and unwinding assembly; 51. a motor; 52. a rope winder; 61. a vertical limiting block; 62. a vertical limiting groove; 71. a stationary ring set; 711. a fixing ring; 72. stretching a rib; 73. a tensioning device; 731. a clamping assembly; 7311. pressing a plate; 7312. a fixing plate; 732. a tension assembly; 7321. a supporting seat; 73211. a vertical plate; 73212. a transverse plate; 7322. a drive rod group; 73221. a first drive lever; 73222. a second transmission rod; 73223. a moving rod; 7323. a pull rod; 8. a threaded rod; 9. a fixed seat; 10. a first rotating shaft; 20. a second rotating shaft; 30. a third rotating shaft; 40. a fourth rotating shaft; 50. a stopper; 60. a compression spring; 70. a fixing assembly; 701. locking the bolt; 702. locking the nut; 80. positioning blocks; 90. and a butt joint block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses an automatic over-and-under type lightning rod, including base 1, base 1 is the rectangle setting, and base 1's upper surface is provided with lifter 2 that is used for installing the lightning rod (shown in the lightning rod picture), and lifter 2 is vertical setting. The lifter 2 is multistage, cup joints step by step between the lifter 2 of adjacent stage, is located the upper end of outer lifter 2 and offers the via hole that supplies the lifter 2 of inlayer to pass, and the external diameter of lifter 2 reduces gradually from outside to inside.

Referring to fig. 3, 4 and 5, a differential pulley block 3 capable of driving the lifting rod 2 to move up and down is arranged on each adjacent lifting rod 2, and a plurality of groups of differential pulley blocks 3 are connected through a traction rope 4. The base 1 is provided with a winding and unwinding assembly 5 for winding and unwinding the traction rope 4, the winding and unwinding assembly 5 comprises a motor 51 and a rope winder 52, and the rope winder 52 and the motor 51 rotate coaxially. The lower extreme welding of lifter 2 has fixing base 9, and fixing base 9 is the cavity setting, and fixing base 9 and lifter 2 are linked together. The motor 51 and the rope winder 52 are both installed inside the fixing seat 9, and one end of the traction rope 4 is fixedly connected with the rope winder 52, and the other end of the traction rope is sequentially wound on the plurality of groups of differential pulley blocks 3 and then fixedly connected with the fixing seat 9.

Combine fig. 1 and fig. 5, be provided with the spacing subassembly of multiunit between the lifter 2 of adjacent level, the utility model discloses do not do the restriction to the quantity of spacing subassembly, the spacing subassembly of four groups is used as the example to this embodiment, and the spacing subassembly of four groups uses the axis of lifter 2 to be the circumference array as the center.

The limiting assembly comprises a vertical limiting block 61 and a vertical limiting groove 62. Vertical stopper 61 sets up in the periphery wall of inlayer lifter 2, and vertical stopper 61 sets up along the length direction of lifter 2, and vertical spacing groove 62 sets up in the internal perisporium of outer lifter 2, and vertical stopper 61 is pegged graft in vertical spacing groove 62, vertical stopper 61 and vertical spacing groove 62 sliding connection.

Referring to fig. 1 and 2, after the multi-stage lifter 2 is positioned at a defined height, a fixing mechanism for maintaining the lifter 2 in a vertical state is disposed between the lifter 2 and the base 1. The fixing mechanism comprises a fixing ring set 71, a tie bar 72 and a tensioning device 73 for maintaining the tension of the tie bar 72.

Fixed ring group 71 and lifter 2's progression one-to-one, every fixed ring group 71 of group includes the solid fixed ring 711 of two relative settings, and two solid fixed rings 711 use the axis of lifter 2 to set up as central symmetry, and solid fixed ring 711 welds the periphery wall in outer lifter 2, and the setting of solid fixed ring 711 does not hinder the cup joint between the multistage lifter 2.

The lacing wires 72 correspond to the fixing rings 711 one to one, one ends of the lacing wires 72 are fixedly connected with the fixing rings 711 through binding, the other ends of the lacing wires extend downwards to the base 1, the lacing wires 72 positioned on the same side of the lifting rod 2 intersect at one point on the base 1, and the lacing wires 72 are fixedly connected with the tensioning devices 73 at one ends of the lacing wires 72 close to the base 1.

Overspeed device tensioner 73 is the multiunit, the utility model discloses do not restrict overspeed device tensioner 73's quantity, this embodiment uses four overspeed device tensioner 73 of group as the example, and four overspeed device tensioner 73 of group are the rectangle setting. The tensioning device 73 comprises a clamping component 731 and a tensioning component 732 linked with the clamping component 731, wherein the tensioning component 732 can drive the clamping component 731 to move to the side far away from the lifting rod 2.

The clamping assembly 731 includes a pressing plate 7311 and a fixing plate 7312 disposed on the upper surface of the base 1, and the pressing plate 7311 and the fixing plate 7312 are disposed in parallel. The pressing plate 7311 and the fixing plate 7312 are fixedly connected through the threaded rod 8, a threaded hole is formed in the edge of the upper end of the fixing plate 7312, a through hole is formed in the pressing plate 7311, the end portion of the threaded rod 8 penetrates through the through hole and then is in threaded connection with the threaded hole, a bolt head is integrally formed at one end, far away from the fixing plate 7312, of the threaded rod 8, and the bolt head abuts against one side, far away from the fixing plate 7312, of the pressing plate. One end of the tie bar 72 away from the lifting rod 2 is fixedly connected with the pressing plate 7311, and the two pressing plates 7311 arranged on the same side are integrally formed.

The tension assembly 732 includes a support base 7321, a set of drive rods 7322 rotatably coupled to the support base 7321, and a pull rod 7323. The set of drive levers 7322 includes a first drive lever 73221 and a second drive lever 73222 and a carry lever 73223.

The supporting seat 7321 includes a vertical plate 73211 and a horizontal plate 73212, the vertical plate 73211 and the horizontal plate 73212 are vertically disposed, the vertical plate 73211 and the fixing plate 7312 are respectively disposed on both sides of the horizontal plate 73212, and the lower end of the fixing plate 7312 is welded to the upper surface of the horizontal plate 73212. The vertical plate 73211, the horizontal plate 73212 and the fixing plate 7312 form a U shape, and the open end of the U shape faces upward.

Move pole 73223 and be horizontal setting, move the tip of pole 73223 and offer the first hinge groove that supplies first transfer line 73221 male, the tip integrated into one piece of first transfer line 73221 has first grafting piece, and first grafting piece is pegged graft in first hinge groove, and first grafting piece and first hinge groove rotate through first pivot 10 and connect.

The first driving lever 73221 is disposed in a V-shape with the open end of the V-shape facing the upper surface of the base 1. U type mounting groove has been seted up to the upper end of supporting seat 7321 riser 73211, and the open end of U type mounting groove sets up upwards. One end of the first driving lever 73221 far away from the moving lever 73223 is rotatably connected with the U-shaped mounting groove through the second rotating shaft 20.

The V-shaped first driving lever 73221 is rotatably connected to the second driving lever 73222 through the third rotating shaft 30 at the turning point, the second driving lever 73222 is disposed in a V-shape, and the open end of the V-shape faces the upper surface of the base 1. The end of the second transmission lever 73222 away from the first transmission lever 73221 is rotatably connected to the pull rod 7323 by the fourth rotating shaft 40.

The pull rod 7323 is transversely disposed, the fixing plate 7312 is provided with a first mounting hole, the pressing plate 7311 is provided with a second mounting hole, and the first mounting hole and the second mounting hole are located on a straight line. One end of the pull rod 7323, which is far away from the second transmission rod 73222, sequentially penetrates through the first mounting hole and the second mounting hole and then extends to one side close to the lifting rod 2.

A stopper 50 for preventing the pressing plate 7311 from coming off is welded to an end of the pull rod 7323 away from the second driving rod 73222, and the stopper 50 is disposed in a circular shape. A compression elastic member is arranged between the stopper 50 and the pressing plate 7311, the compression elastic member is a compression spring 60, the compression spring 60 is sleeved outside the pull rod 7323, one end of the compression spring 60 abuts against the stopper 50, the other end of the compression spring is connected with an abutting block 90, the abutting block 90 is connected with the pull rod 7323 in a sliding manner, and the abutting block 90 abuts against the pressing plate 7311 under the action of the compression spring 60.

The base 1 is provided with a fixing assembly 70 for fixing the tap lever 73223, and the fixing assembly 70 includes a lock bolt 701 and a lock nut 702.

The upper surface of the base 1 is welded with a positioning block 80, and the positioning block 80 and the supporting seat 7321 are arranged at intervals. The U type fixed slot has been seted up to the upper end of locating piece 80, and the open end orientation of U type fixed slot, the one end that the first transfer link 73221 was kept away from to move lever 73223 runs through U type fixed slot. The bolt hole has been seted up to the lateral wall of U type fixed slot, and the bolt hole is two, and two bolt holes set up relatively, and locking bolt 701 wears to locate in order and extends to the outside of U type fixed slot behind two bolt holes, is located the outside locking bolt 701 and the lock nut 702 threaded connection of U type fixed slot. The lever 73223 located inside the U-shaped fixing groove is rotatably connected to the lock bolt 701. The locking nut 702 and the locking bolt 701 are disposed opposite to each other at their heads, and when the locking nut 702 and the locking bolt 701 are both abutted against the U-shaped fixing groove, the side wall of the U-shaped fixing groove abuts against the moving rod 73223, and the moving rod 73223 is limited inside the U-shaped fixing groove.

The implementation principle of the embodiment is as follows: through base 1 is tentatively fixed the utility model discloses, starter motor 51, ropewinder 52 and the coaxial rotation of motor 51 realize tightening up haulage rope 4, because haulage rope 4 around connect in multiunit differential pulley group 3, react in differential pulley group 3 when haulage rope 4 when the rolling, make differential pulley group 3 drive lifter 2 and rise, after accomplishing multistage lifter 2's elevating movement, close motor 51, make multistage lifter 2 location at the height of injecing under haulage rope 4 and multiunit differential pulley group 3's effect. When the traction rope 4 is loosened, the differential pulley block 3 and the lifting rod 2 descend step by step under the action of self gravity, and the lifting of the multi-stage lifting rod 2 is realized.

Through vertical stopper 61 and vertical spacing groove 62 sliding connection, when external force acts on multistage lifter 2, make vertical stopper 61 keep the state along the length direction motion of vertical spacing groove 62 under the limiting displacement of vertical spacing groove 62 to keep the vertical motion state of lifter 2, keep the stability of multistage lifter 2 in the elevating movement in-process. When having external force to act on multistage lifter 2 after accomplishing multistage lifter 2's the elevating movement, vertical stopper 61 and vertical spacing groove 62's setting has increased the joint strength between adjacent every grade lifter 2 to improve the stability of lightning rod, improve the lodging resistance of lightning rod.

After the lifting movement of the multi-stage lifting rod 2 is completed, the lifting rod 73223 is rotated, the lifting rod 73223 drives the first transmission rod 73221 to rotate, the first transmission rod 73221 drives the second transmission rod 73222 to rotate, the second transmission rod 73222 drives the pull rod 7323 to move along the axial direction of the pull rod 7323, the pull rod 7323 drives the stopper 50 to move, the stopper 50 extrudes the compression spring 60, the compression spring 60 is in an unnatural state, the compression spring 60 acts on the pressure plate 7311 in reverse direction, so that the pressure plate 7311 tightly supports the fixing plate 7312, and the tension effect on the tie bar 72 is realized; by providing the compression elastic member, direct contact between the pressing plate 7311 and the stopper 50 is avoided, and the buffering of the acting force between the stopper 50 and the pressing plate 7311 is achieved. After the lacing wire 72 is tensioned, the lock nut 702 is screwed, so that the moving rod 73223 is limited in the U-shaped fixing groove, the moving rod 73223 is fixed, and the lacing wire 72 is tensioned. The two sets of relatively arranged tie bars 72 respectively pull the lifting rods 2 towards two sides, the lifting rods 2 keep a vertical state under the action of the tension force at two sides, the stability of the lightning rod is further improved, and the lodging resistance of the lightning rod is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An automatic lifting lightning rod comprises a base (1), wherein the base (1) is provided with lifting rods (2), the lifting rods (2) are multistage, the adjacent lifting rods (2) are mutually sleeved, the outer diameter of the lifting rods (2) is gradually reduced from outside to inside, each stage of the lifting rods (2) is provided with a differential pulley block (3), a plurality of groups of differential pulley blocks (3) are connected through a traction rope (4), the base (1) is provided with a winding and unwinding assembly (5) for winding and unwinding the traction rope (4), the automatic lifting lightning rod is characterized in that a limiting assembly is arranged between the adjacent stages of the lifting rods (2) and comprises a vertical limiting block (61) and a vertical limiting groove (62), the vertical limiting block (61) is arranged along the length direction of the lifting rods (2), and the vertical limiting block (61) is inserted into the vertical limiting groove (62), the vertical limiting block (61) is connected with the vertical limiting groove (62) in a sliding mode.

2. The automatic lifting lightning rod of claim 1, wherein the limiting assemblies are in a plurality of groups, and the plurality of groups of limiting assemblies are in a circumferential array.

3. An automatic lifting lightning rod according to claim 1, characterized in that a fixing mechanism for keeping the lifting rod (2) in a vertical state is arranged between the lifting rod (2) and the base (1).

4. The automatic lifting lightning rod according to claim 3, characterized in that the fixing mechanism comprises a fixing ring set (71) fixed on the lifting rod (2) and a tie bar (72) arranged on the fixing ring set (71), the fixing ring set (71) comprises two fixing rings (711) arranged oppositely, one end of the tie bar (72) far away from the fixing rings (711) is fixedly connected with the base (1), and the base (1) is provided with a tensioning device (73) for maintaining the tension state of the tie bar (72).

5. The automatic lifting lightning rod of claim 4, characterized in that the tension device (73) comprises a clamping component (731) and a tension component (732) linked with the clamping component (731), and the tension component (732) can drive the clamping component (731) to move to the side far away from the lifting rod (2).

6. The automatic lifting lightning rod of claim 5, wherein the clamping assembly (731) comprises a pressing plate (7311) and a fixing plate (7312) fixedly arranged on the base (1), the pressing plate (7311) and the fixing plate (7312) are fixedly connected through a threaded rod (8), the threaded rod (8) is threaded through the pressing plate (7311) and then is in threaded connection with the fixing plate (7312), and one end of the tie bar (72) far away from the lifting rod (2) is fixedly connected with the pressing plate (7311).

7. The automatic lifting lightning rod according to claim 6, wherein the tensioning assembly (732) comprises a support base (7321), a transmission rod set (7322) rotatably connected with the support base (7321), and a pull rod (7323), the pull rod (7323) is rotatably connected with the transmission rod set (7322), one end of the pull rod (7323) far away from the transmission rod set (7322) is inserted into the pressing plate (7311) and the fixing plate (7312), the pull rod (7323) is provided with a stopper (50) for preventing the pressing plate (7311) from coming out, and the base (1) is provided with a fixing assembly (70) for keeping the pulling state of the pull rod (72) in a tensioning manner.

8. The automatic lifting lightning rod according to claim 7, wherein a compression elastic member is disposed between the stopper (50) and the pressing plate (7311), the compression elastic member is sleeved on the pull rod (7323), one end of the compression elastic member abuts against the stopper (50), and the other end of the compression elastic member abuts against the pressing plate (7311).

9. The automatic lifting lightning rod of claim 8, wherein an end of the compression spring far from the stopper (50) is provided with a butting block (90), the butting block (90) butts against the pressing plate (7311), and the butting block (90) is slidably connected with the pull rod (7323).

10. The automatic lifting lightning rod of claim 7, wherein the transmission rod set (7322) comprises a first transmission rod (73221) and a second transmission rod (73222), the first transmission rod (73221) is rotatably connected with the support base (7321), the second transmission rod (73222) is rotatably connected with the pull rod (7323), one end of the second transmission rod (73222) far away from the pull rod (7323) is rotatably connected with the middle part of the first transmission rod (73221), and one end of the first transmission rod (73221) far away from the support base (7321) is hinged with a moving rod (73223).