CN213461089U - Clamping fixing device for preventing lightning arrester from falling down - Google Patents

Abstract

The utility model relates to an arrester installation technical field just discloses a prevent chucking fixing device that arrester emptys and fall, including fixed case the bottom fixedly connected with fore-set of fixed incasement portion, the bottom fixedly connected with stop collar of fixed incasement portion, the fore-set is located the inboard of stop collar, the inside sliding connection of fixed case has the erection column, the top of erection column runs through and sliding connection to the top of fixed case, the bottom of erection column extends to the inboard and the contact of stop collar. The utility model discloses a, it is spacing to the erection column through fixed case and stop collar to and turning handle conveniently controls ring pad and spacing post and descends, and spacing post can pass spacing hole and get into the spacing groove, makes the sliding block fixed, just also can fix erection column and arrester main part, avoids the arrester main part of eminence to empty easily and fall, and it is also more convenient when the installation, avoids the staff to operate high altitude for a long time.

Description

Clamping fixing device for preventing lightning arrester from falling down

Technical Field

The utility model relates to an arrester installation technical field specifically is a prevent chucking fixing device that the arrester emptys and falls.

Background

The lightning arrester is an electrical appliance used for protecting electrical equipment from being damaged by high transient overvoltage and limiting follow current time and normally limiting follow current amplitude, and is frequently used on buildings and equipment such as transformer substations, power plants, iron towers, electric poles, power transmission lines and the like, areas such as the transformer substations and the like are more easily subjected to lightning stroke due to centralized configuration of equipment with different voltage grades, so that the electrical equipment of the transformer substations is prone to failure, and the lightning arrester can protect the equipment from being damaged, so that the lightning arrester is a common electrical appliance.

For example buildings such as transformer substation and power plant, the arrester on it is generally installed in the eminence, it is relatively poor to have stable after the arrester installation, drop easily in the eminence, cause danger easily, it is also inconvenient in the installation, also bring inconvenience for high altitude construction, problem to the aforesaid, the technical personnel in the field provide one kind prevent that the arrester from empting the chucking fixing device that falls, the utility model discloses, possess can install the advantage stable and easy to assemble, the problem of arrester at eminence installation unstability and inconvenient installation has been solved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides a prevent that arrester from empting chucking fixing device that falls possesses can install advantages such as stable and easy to assemble, has solved the problem of arrester at the unstable and inconvenient installation of eminence installation.

(II) technical scheme

For the purpose that realizes the aforesaid can install stably and easy to assemble, the utility model provides a following technical scheme: a clamping and fixing device for preventing an arrester from falling down comprises a fixing box, wherein a top column is fixedly connected to the bottom inside the fixing box, a limiting sleeve is fixedly connected to the bottom inside the fixing box, the top column is located on the inner side of the limiting sleeve, an installation column is slidably connected inside the fixing box, the top of the installation column penetrates through and is slidably connected to the top of the fixing box, the bottom of the installation column extends to the inner side of the limiting sleeve and is in contact with the inner side of the limiting sleeve, an arrester main body is fixedly connected to the top end of the installation column, a movable sliding groove is formed in the installation column, the top end of the top column penetrates through the fixing box and is slidably connected to the inner side of the movable sliding groove, a conical block is slidably connected inside the movable sliding groove, the top end of the top column is in contact with the conical block, movable holes are formed in the left side and the right side of, limiting plates are fixedly connected to the insides of the two movable holes, movable devices are slidably connected to the insides of the two movable holes, the opposite ends of the two movable devices are contacted with the conical block, the back-to-back ends of the two movable devices respectively penetrate through the two limiting plates and are slidably connected to the outsides of the two movable holes, limiting holes are formed in the outsides of the two movable devices, an annular inner gear is rotatably connected to the top of the inner side of the fixed box, two straight gears are rotatably connected to the top of the inner side of the fixed box, one back-to-back sides of the two straight gears are meshed with the annular inner gear, a rotating shaft of the straight gear on the right side penetrates through and is rotatably connected to the top of the fixed box, a handle is fixedly connected to the top end of the rotating shaft of the straight gear on the right side, telescopic devices are fixedly connected to the bottoms of the, the mounting column is located the inboard of annular pad, the equal fixedly connected with spacing post in the left and right sides of annular pad bottom, two spacing post respectively with two spacing hole phase-matchs.

Preferably, the movable device includes a sliding block, the outside fixedly connected with sliding plate of sliding block, one side fixedly connected with spring that the movable spout was kept away from to the sliding plate, the one end and the limiting plate fixed connection that the sliding plate was kept away from to the spring, the one end of sliding block runs through the limiting plate and sliding connection to the outside of erection column, the other end of sliding block extends to the inside of movable spout and contacts with the toper piece, sliding plate sliding connection is in the inboard in activity hole, the outside in sliding block is seted up in the spacing hole.

Preferably, the telescoping device includes the pipe, the top and the straight-teeth gear fixed connection of pipe, the inside threaded connection of pipe has the screw block, the bottom fixedly connected with slide bar of screw block, the bottom of slide bar runs through and sliding connection to the bottom of pipe, the bottom and the annular pad fixed connection of slide bar.

Preferably, the top inside the fixed box is fixedly connected with support columns which are uniformly distributed, an annular groove is formed in the top of the annular inner gear, and the bottom ends of the support columns extend to the inner side of the annular groove.

Preferably, the left and right sides at stop collar top has all seted up the draw-in groove, two the spacing groove has all been seted up to the inboard bottom of draw-in groove, two the sliding block respectively with two draw-in groove looks adaptations, two the spacing groove respectively with two spacing post looks adaptations.

Preferably, the strip-shaped groove has all been seted up with the back in the front of erection column, two fixed columns of the top fixedly connected with of fixed case, two the inboard and the contact that extend to two strip-shaped grooves respectively in one side that the fixed column is relative.

Preferably, the bearing is fixedly connected to the outer portion of the right side of the straight gear rotating shaft, and an outer ring of the bearing is fixedly connected with the fixed box.

Preferably, sliding grooves are formed in the top and the bottom of the inner side of the movable hole, clamping blocks are fixedly connected to the top and the bottom of the sliding plate, and the ends, back to back, of the two clamping blocks extend to the inner sides of the two sliding grooves and are in contact with the inner sides of the two sliding grooves respectively.

(III) advantageous effects

Compared with the prior art, the utility model provides a prevent that arrester from empting chucking fixing device that falls possesses following beneficial effect:

1. the clamping fixing device for preventing the lightning arrester from falling down can protect buildings and equipment such as a transformer substation, a power plant, an iron tower, an electric pole, a power transmission line and the like through the lightning arrester main body, the general lightning arrester main body is installed at a high position, when the lightning arrester main body is installed, the lightning arrester main body and an installation column are inserted into a fixed box, at the moment, the back-to-back ends of two movable devices are not exposed from a movable hole, the bottom of the installation column enters the inner side of a limiting sleeve, the fixed box and the limiting sleeve can limit the installation column to move towards the side, a top column enters a movable chute and is in contact with a conical block, the conical block moves upwards, two inclined planes of the conical block force the two movable devices to move towards two sides, a limiting hole on each movable device can move to the outer side of the movable hole, the bottom of the installation column is in contact with the, the right straight gear is driven to rotate, the annular inner gear and the left straight gear can be driven to rotate, the annular cushion can be descended or ascended by the telescopic device when the two straight gears rotate, the annular cushion descends, two limiting columns on the annular cushion can be clamped into the inner sides of two limiting holes respectively when the annular cushion descends, and the annular cushion and the limiting sleeve can extrude the movable device, so that the mounting column and the lightning arrester main body can be fixed relative to the fixed box, when a transformer substation, a power plant, an iron tower, an electric pole, a transmission line and other buildings and equipment are high, the lightning arrester main body can be stably mounted and can be prevented from falling down, meanwhile, the lightning arrester main body can be conveniently overhauled and conveniently operated at high altitude by opposite operations when being dismounted, the mounting column is limited by the fixed box and the limiting sleeve, the annular cushion and the limiting column can be conveniently controlled to descend by the rotating handle, the limiting column is clamped into, the lightning arrester main body at the high places such as the transformer substation is prevented from easily toppling and falling, the installation is also convenient, and the working personnel are prevented from working at high altitude for a long time.

2. This prevent chucking fixing device that arrester emptys and falls, upwards push up the toper piece through the fore-set, two inclined planes of toper piece force two sliding block back of the body motion, two sliding block one side that back of the body is mutually can move the outside of two activity holes, the spring is compressed this moment, two spacing holes also can be located the outside of activity hole, when the sliding block does not receive the power of toper piece, two springs are normal condition, the activity hole is not spilt to two sliding block one end that back of the body is mutually, can insert fixed case by the ready-to-mount post.

3. This prevent chucking fixing device that arrester emptys and fall, it rotates to drive the right side straight-teeth gear through the handle, the annular internal gear of meshing simultaneously also can rotate, left side straight-teeth gear also can rotate, can make the pipe rotate, pipe and its inside thread block threaded connection, make the thread block can make progress or downstream, the motion of thread block is also followed to the slide bar, the annular pad of slide bar below can be spacing, guarantee that slide bar and thread block do not rotate, but the lift of slide bar also can make the lift of annular pad.

4. This prevent chucking fixing device that arrester emptys and falls, it is inboard at the ring channel through support column bottom card, the support column bottom can be in the inboard relative slip of ring channel, and the support column is the annular distribution, can make annular gear rely on ring channel and fixed case to take place relative rotation, also namely support column and ring channel can support and make things convenient for annular gear to rotate.

5. This prevent chucking fixing device that arrester emptys and fall, when the bottom through the erection column contacts with the inner diapire of fixed case, the sliding block can extend to the erection column outside, and the bottom of sliding block just in time goes into the draw-in groove inboardly, and spacing hole and spacing groove and spacing post with one side are on same vertical line this moment, can pass spacing hole entering spacing inslot side when spacing post descends, finally reach the effect that can stabilize the sliding block, just so stabilize the purpose of erection column and arrester main part.

6. This prevent chucking fixing device that arrester emptys and falls, when placing the erection column, two bar grooves are to two last fixed columns, and the erection column can descend perpendicularly under the circumstances that self does not rotate this moment, makes two sliding blocks just in time be located the inside left and right sides of fixed box, can match with two spacing posts.

7. This prevent chucking fixing device that arrester emptys and falls can reduce the friction of the straight-teeth gear axis of rotation on right side and fixed case through the bearing, makes things convenient for manual twist grip, and can restrict the up-and-down motion of straight-teeth gear, facilitates the use.

8. This prevent chucking fixing device that arrester emptys and falls makes the fixture block can slide in the sliding tray inboard through the motion of sliding block and sliding plate, and the sliding tray can restrict the rotation of sliding plate and sliding block, can stabilize the motion of sliding block.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;

FIG. 4 is a schematic top view of the ring gear of the present invention;

fig. 5 is a schematic view of the top view structure of the fixing box of the present invention.

In the figure: 1. a fixed box; 2. a top pillar; 3. a limiting sleeve; 4. mounting a column; 5. a lightning arrester main body; 6. a movable chute; 7. a conical block; 8. a movable hole; 9. a limiting plate; 10. a mobile device; 101. a slider; 102. a sliding plate; 103. a spring; 11. a limiting hole; 12. an annular internal gear; 13. a spur gear; 14. a handle; 15. a telescoping device; 151. a circular tube; 152. a thread block; 153. a slide bar; 16. an annular pad; 17. a limiting column; 18. a support pillar; 19. an annular groove; 20. a card slot; 21. a limiting groove; 22. a strip-shaped groove; 23. fixing a column; 24. a bearing; 25. a sliding groove; 26. and (7) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a clamping fixing device for preventing an arrester from falling down comprises a fixed box 1, a top post 2 is fixedly connected to the bottom inside the fixed box 1, a stop collar 3 is fixedly connected to the bottom inside the fixed box 1, the top post 2 is located inside the stop collar 3, an installation post 4 is slidably connected to the inside of the fixed box 1, the top of the installation post 4 penetrates through and is slidably connected to the top of the fixed box 1, the bottom of the installation post 4 extends to the inside of the stop collar 3 and contacts with the stop collar, an arrester main body 5 is fixedly connected to the top end of the installation post 4, a movable chute 6 is formed inside the installation post 4, the top end of the top post 2 penetrates through the fixed box 1 and is slidably connected to the inside of the movable chute 6, a conical block 7 is slidably connected to the inside of the movable chute 6, the top end of the top post 2 contacts with the conical block 7, and movable holes 8 are formed, two movable holes 8 are communicated with a movable chute 6, limiting plates 9 are fixedly connected inside the two movable holes 8, movable devices 10 are slidably connected inside the two movable holes 8, opposite ends of the two movable devices 10 are contacted with a conical block 7, back-to-back ends of the two movable devices 10 respectively penetrate through the two limiting plates 9 and are slidably connected to the outer sides of the two movable holes 8, limiting holes 11 are formed in the outer portions of the two movable devices 10, an annular inner gear 12 is rotatably connected to the top of the inner side of the fixed box 1, two straight gears 13 are rotatably connected to the top of the inner side of the fixed box 1, back-to-back sides of the two straight gears 13 are meshed with the annular inner gear 12, a rotating shaft of the right straight gear 13 penetrates through and is rotatably connected to the top of the fixed box 1, a handle 14 is fixedly connected to the top end of the rotating shaft of the right straight gear 13, and telescopic devices, the bottoms of the two telescopic devices 15 are fixedly connected with an integrally formed annular cushion 16, the mounting posts 4 are positioned on the inner side of the annular cushion 16, the left side and the right side of the bottom of the annular cushion 16 are fixedly connected with limiting posts 17, the two limiting posts 17 are respectively matched with the two limiting holes 11, buildings and equipment such as a transformer substation, a power plant, an iron tower, an electric pole, a power transmission line and the like can be protected through the lightning arrester main body 5, the general lightning arrester main body 5 is installed at a high position, when the lightning arrester main body 5 is installed, the lightning arrester main body 5 and the mounting posts 4 are inserted into the fixed box 1, at the moment, the opposite ends of the two movable devices 10 do not leak the movable holes 8, the bottom of the mounting posts 4 enters the inner side of the limiting sleeves 3, the fixed box 1 and the limiting sleeves 3 can limit the mounting posts 4 to move towards the side, the top posts 2 enter the movable chutes 6 and are contacted with the tapered blocks 7, the limiting holes 11 on the movable device 10 can move to the outer side of the movable holes 8, the bottoms of the mounting posts 4 are contacted with the inner bottom wall of the fixed box 1, at the moment, the two limiting holes 11 are respectively positioned under the two limiting posts 17, the rotating handle 14 drives the straight gear 13 on the right side to rotate and can drive the annular internal gear 12 and the straight gear 13 on the left side to rotate, the telescopic device 15 can enable the annular pad 16 to descend or ascend when the two straight gears 13 rotate, the annular pad 16 descends, the two limiting posts 17 on the annular pad can be respectively clamped into the inner sides of the two limiting holes 11, the annular pad 16 and the limiting sleeve 3 can extrude the movable device 10, so that the mounting posts 4 and the lightning arrester main body 5 can be relatively fixed with the fixed box 1, and the lightning arrester main body 5 can be stably installed and can be prevented from falling when buildings and equipment such as a transformer substation, a power plant, an, according to opposite operation simultaneously when dismantling can, can conveniently overhaul, the high altitude construction of being convenient for, the utility model discloses a, it is spacing to erection column 4 through fixed case 1 and stop collar 3, and turning handle 14 conveniently controls ring cushion 16 and spacing post 17 and descends, spacing post 17 card is gone into spacing hole 11, can fix erection column 4 and arrester main part 5, the arrester main part 5 of avoiding the eminence emptys easily and falls, it is also more convenient when the installation, avoid the staff to operate aloft for a long time.

Further, the movable device 10 includes a sliding block 101, a sliding plate 102 is fixedly connected to the outside of the sliding block 101, a spring 103 is fixedly connected to one side of the sliding plate 102 away from the movable sliding chute 6, one end of the spring 103 away from the sliding plate 102 is fixedly connected to the position-limiting plate 9, one end of the sliding block 101 penetrates through the position-limiting plate 9 and is slidably connected to the outside of the mounting post 4, the other end of the sliding block 101 extends into the movable sliding chute 6 and contacts with the tapered block 7, the sliding plate 102 is slidably connected to the inside of the movable hole 8, a position-limiting hole 11 is opened on the outside of the sliding block 101, the tapered block 7 is pushed upwards by the top post 2, two inclined planes of the tapered block 7 force the two sliding blocks 101 to move back and forth, the opposite sides of the two sliding blocks 101 can move to the outside of the two movable holes 8, at, when the sliding block 101 is not forced by the tapered block 7, the two springs 103 are in a normal state, and the ends of the two sliding blocks 101, which are opposite to each other, do not leak out of the movable hole 8, so that the installation column 4 can be conveniently inserted into the fixed box 1.

Further, telescoping device 15 includes pipe 151, the top and the straight-tooth gear 13 fixed connection of pipe 151, the inside threaded connection of pipe 151 has screw block 152, the bottom fixedly connected with slide bar 153 of screw block 152, the bottom of slide bar 153 runs through and sliding connection to the bottom of pipe 151, the bottom and the annular pad 16 fixed connection of slide bar 153, it rotates to drive right side straight-tooth gear 13 through handle 14, the annular internal gear 12 of meshing also can rotate simultaneously, left side straight-tooth gear 13 also can rotate, can make pipe 151 rotate, pipe 151 and its inside screw block 152 threaded connection, make screw block 152 upwards or downstream, slide bar 153 also follows screw block 152 and moves, annular pad 16 of slide bar 153 below can be spacing, guarantee that slide bar 153 and screw block 152 do not rotate, but the lift of slide bar 153 also can make the lift of annular pad 16.

Further, fixed inside top fixedly connected with evenly distributed's of case 1 support column 18, annular groove 19 has been seted up at annular gear 12's top, the bottom of support column 18 extends to annular groove 19's inboard, it is inboard at annular groove 19 through support column 18 bottom card, support column 18 bottom can be at the inboard relative slip of annular groove 19, and support column 18 is the annular distribution, can make annular gear 12 rely on annular groove 19 and fixed case 1 to take place relative rotation, also can support column 18 and annular groove 19 and make things convenient for annular gear 12 to rotate exactly.

Further, draw-in groove 20 has all been seted up to the left and right sides at 3 tops of stop collar, spacing groove 21 has all been seted up to the bottom of two draw-in grooves 20 inboards, two sliding block 101 respectively with two draw-in grooves 20 looks adaptations, two spacing grooves 21 respectively with two spacing post 17 looks adaptations, when the bottom through erection column 4 contacts with the inner diapire of fixed box 1, sliding block 101 can extend to the erection column 4 outside, and sliding block 101's bottom just in time card goes into draw-in groove 20 inboardly, spacing hole 11 with one side and spacing groove 21 and spacing post 17 are on same vertical line this moment, spacing post 17 can pass spacing hole 11 when descending and get into spacing groove 21 inboardly, finally reach the effect that can stabilize sliding block 101, just also be the purpose of stable erection column 4 and arrester main part 5.

Further, bar groove 22 has all been seted up with the back in the front of erection column 4, two fixed columns 23 of top fixedly connected with of fixed case 1, two fixed column 23 one side relative extend to the inboard and the contact in two bar grooves 22 respectively, when through placing erection column 4, two bar grooves 22 are to last two fixed columns 23, erection column 4 can descend perpendicularly under the circumstances that self does not rotate this moment, make two sliding blocks 101 just in time be located the 1 inside left and right sides of fixed case, can match with two spacing posts 17.

Further, the outside fixedly connected with bearing 24 of right side straight-teeth gear 13 axis of rotation, bearing 24's outer lane and fixed case 1 fixed connection can reduce the friction of straight-teeth gear 13 axis of rotation on right side and fixed case 1 through bearing 24, make things convenient for manual turning handle 14, and can restrict straight-teeth gear 13's up-and-down motion, facilitate the use.

Further, sliding groove 25 has all been seted up with the bottom in the inboard top of activity hole 8, sliding plate 102's the equal fixedly connected with fixture block 26 in top and bottom, and two fixture block 26 one end that back on the back extends to the inboard and the contact of two sliding groove 25 respectively, makes fixture block 26 can slide in sliding groove 25 inboard through the motion of sliding block 101 and sliding plate 102, and sliding groove 25 can restrict sliding plate 102 and sliding block 101's rotation, can stabilize sliding block 101's motion.

The working principle is as follows: the lightning arrester main body 5 can protect buildings and equipment such as a transformer substation, a power plant, an iron tower, an electric pole, a power transmission line and the like, the lightning arrester main body 5 is generally installed at a high position, when the lightning arrester main body 5 is installed, the lightning arrester main body 5 and an installation column 4 are inserted into a fixed box 1, at the moment, the back-to-back ends of two sliding blocks 101 do not leak out of a movable hole 8, the bottom of the installation column 4 enters the inner side of a limiting sleeve 3, the fixed box 1 and the limiting sleeve 3 can limit the installation column 4 to move towards the side, a top column 2 enters a movable sliding groove 6 and is contacted with a conical block 7, the conical block 7 moves upwards, two inclined planes of the conical block 7 force the two sliding blocks 101 to move towards two sides, a limiting hole 11 on the sliding block 101 can move to the outer side of the movable hole 8, the bottom of the installation column 4 is contacted with the inner bottom, the handle 14 is rotated to drive the right spur gear 13 to rotate, and can drive the annular inner gear 12 and the left spur gear 13 to rotate, the two spur gears 13 rotate to drive the circular tube 151 to rotate, the annular pad 16 can descend or ascend under the action of the thread block 152, the annular pad 16 descends, the bottom ends of the two limiting posts 17 on the annular pad can respectively pass through the two limiting holes 11 and respectively enter the inner sides of the two limiting grooves 21, the sliding block 101 can be fixed, the annular pad 16 and the limiting sleeve 3 can slide the block 101, the mounting post 4 and the lightning arrester main body 5 can be relatively fixed with the fixed box 1, when buildings and equipment such as a transformer substation, a power plant, an iron tower, an electric pole, a power transmission line and the like are high, the lightning arrester main body 5 can be stably mounted and can be prevented from falling, meanwhile, the installation can be realized according to opposite operations during disassembly, the maintenance can be convenient, the, it is spacing to erection column 4 through fixed case 1 and stop collar 3 to and turning handle 14 conveniently controls annular pad 16 and spacing post 17 and descends, spacing post 17 can pass spacing hole 11 and get into spacing groove 21, make sliding block 101 fixed, just also can fix erection column 4 and arrester main part 5, the arrester main part 5 of avoiding the eminence emptys easily and falls, it is also more convenient when the installation, avoid the staff to operate at the high altitude for a long time.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a prevent chucking fixing device that arrester emptys and falls, includes fixed case (1), its characterized in that: the bottom of the inside of the fixed box (1) is fixedly connected with a top post (2), the bottom of the inside of the fixed box (1) is fixedly connected with a limiting sleeve (3), the top post (2) is positioned at the inner side of the limiting sleeve (3), the inside of the fixed box (1) is connected with an installation post (4) in a sliding manner, the top of the installation post (4) penetrates through and is connected to the top of the fixed box (1) in a sliding manner, the bottom of the installation post (4) extends to the inner side of the limiting sleeve (3) and is contacted with the limiting sleeve, the top end of the installation post (4) is fixedly connected with a lightning arrester main body (5), a movable sliding groove (6) is arranged in the installation post (4), the top end of the top post (2) penetrates through the fixed box (1) and is connected to the inner side of the movable sliding groove (6) in a sliding manner, the inside of the movable sliding groove (6) is connected with a conical block (7), the left side and the right side of the mounting column (4) are respectively provided with a movable hole (8), the two movable holes (8) are communicated with a movable sliding chute (6), the inner part of each movable hole (8) is fixedly connected with a limiting plate (9), the inner part of each movable hole (8) is slidably connected with a movable device (10), the opposite ends of the movable devices (10) are respectively contacted with a conical block (7), the back-to-back ends of the two movable devices (10) respectively penetrate through the two limiting plates (9) and are slidably connected to the outer sides of the two movable holes (8), the outer parts of the two movable devices (10) are respectively provided with a limiting hole (11), the top of the inner side of the fixed box (1) is rotatably connected with an annular inner gear (12), the top of the inner side of the fixed box (1) is rotatably connected with two straight gears (13), and the back-to-back sides of the straight gears (13) are respectively meshed with the, the right side the axis of rotation of straight-teeth gear (13) runs through and rotates the top that is connected to fixed case (1), the right side top fixedly connected with handle (14), two of straight-teeth gear (13) axis of rotation the equal fixedly connected with telescoping device (15) in bottom of straight-teeth gear (13), two the bottom fixedly connected with integrated into one piece's of telescoping device (15) annular pad (16), erection column (4) are located the inboard of annular pad (16), the equal fixedly connected with spacing post (17) of the left and right sides of annular pad (16) bottom, two spacing post (17) respectively with two spacing hole (11) phase-matches.

2. The clamping and fixing device for preventing the lightning arrester from falling due to toppling as claimed in claim 1, wherein: the movable device (10) comprises a sliding block (101), a sliding plate (102) is fixedly connected to the outer portion of the sliding block (101), a spring (103) is fixedly connected to one side, away from the movable sliding groove (6), of the sliding plate (102), one end, away from the sliding plate (102), of the spring (103) is fixedly connected with a limiting plate (9), one end of the sliding block (101) penetrates through the limiting plate (9) and is connected to the outer portion of the mounting column (4) in a sliding mode, the other end of the sliding block (101) extends to the inner portion of the movable sliding groove (6) and is in contact with a conical block (7), the sliding plate (102) is connected to the inner side of the movable hole (8) in a sliding mode, and the limiting hole (11) is arranged on.

3. The clamping and fixing device for preventing the lightning arrester from falling due to toppling as claimed in claim 1, wherein: telescoping device (15) includes pipe (151), the top and straight-teeth gear (13) fixed connection of pipe (151), the internal thread of pipe (151) is connected with screw block (152), the bottom fixedly connected with slide bar (153) of screw block (152), the bottom of slide bar (153) runs through and sliding connection to the bottom of pipe (151), the bottom and the annular pad (16) fixed connection of slide bar (153).

4. The clamping and fixing device for preventing the lightning arrester from falling due to toppling as claimed in claim 1, wherein: the fixed box (1) is inside top fixedly connected with evenly distributed's support column (18), ring channel (19) have been seted up at the top of annular gear (12), the bottom of support column (18) extends to the inboard of ring channel (19).

5. The clamping and fixing device for preventing the lightning arrester from falling due to toppling as claimed in claim 2, wherein: draw-in groove (20) have all been seted up to the left and right sides at stop collar (3) top, two spacing groove (21), two have all been seted up to the inboard bottom of draw-in groove (20) sliding block (101) respectively with two draw-in grooves (20) looks adaptation, two spacing groove (21) respectively with two spacing post (17) looks adaptations.

6. The clamping and fixing device for preventing the lightning arrester from falling due to toppling as claimed in claim 1, wherein: strip-shaped grooves (22) have all been seted up with the back in the front of erection column (4), two fixed column (23) of top fixedly connected with of fixed case (1), two one side that fixed column (23) are relative extends to the inboard and the contact in two strip-shaped grooves (22) respectively.

7. The clamping and fixing device for preventing the lightning arrester from falling due to toppling as claimed in claim 1, wherein: and a bearing (24) is fixedly connected to the outer part of the rotating shaft of the straight gear (13) on the right side, and the outer ring of the bearing (24) is fixedly connected with the fixed box (1).

8. The clamping and fixing device for preventing the lightning arrester from falling due to toppling as claimed in claim 2, wherein: sliding grooves (25) are formed in the top and the bottom of the inner side of the movable hole (8), clamping blocks (26) are fixedly connected to the top and the bottom of the sliding plate (102), and the ends, back to back, of the two clamping blocks (26) extend to the inner sides of the two sliding grooves (25) and are in contact with the inner sides of the two sliding grooves (25).

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