阅读说明：本技术 一种节能环保的乡村电力高压杆快速防护机构 (Energy-concerving and environment-protective rural electric power high voltage rod quick protection machanism ) 是由 张宇 于 2021-09-27 设计创作，主要内容包括：本发明公开了一种节能环保的乡村电力高压杆快速防护机构,包括水泥板,所述水泥板上固定连接有电力杆,所述电力杆底部套设有防护机构,所述防护机构上设置有卡扣组件,所述防护机构包括固定半圆座、活动槽、活动弧板、挤压凸起、滑块,所述固定半圆座固定连接在水泥板上端面,当经过的车辆误撞上电力杆时,首先和活动弧板接触,从而能够抵挡车辆撞击电力杆,活动弧板是曲面形的且活动弧板滑动连接在固定半圆座内,在车辆撞上活动弧板时,活动弧板受到车辆撞击的侧向推力的作用而转动,从而将撞击的车辆引向一侧,从而达到卸力的效果,使活动弧板难以受到较大的车辆撞击力而被撞碎,即对电力杆达到更好的防护效果。(The invention discloses an energy-saving and environment-friendly rural electric power high-voltage rod rapid protection mechanism, which comprises a cement plate, wherein an electric power rod is fixedly connected onto the cement plate, a protection mechanism is sleeved at the bottom of the electric power rod, a buckle assembly is arranged on the protection mechanism, the protection mechanism comprises a fixed semicircular seat, a movable groove, a movable arc plate, an extrusion bulge and a sliding block, the fixed semicircular seat is fixedly connected onto the upper end surface of the cement plate, when a passing vehicle collides the electric power rod by mistake, the fixed semicircular seat is firstly contacted with the movable arc plate so as to resist the vehicle from colliding the electric power rod, the movable arc plate is in a curved shape and is slidably connected into the fixed semicircular seat, when the vehicle collides the movable arc plate, the movable arc plate is rotated under the action of lateral thrust of the vehicle collision, so that the collided vehicle is guided to one side, the force unloading effect is achieved, and the movable arc plate is difficult to be crashed by larger vehicle collision force, the electric pole can be protected better.)

1. The utility model provides an energy-concerving and environment-protective rural electric power high voltage rod quick protection machanism, includes cement board (1), its characterized in that: the cement board (1) is fixedly connected with an electric power rod (2), a protection mechanism (3) is sleeved at the bottom of the electric power rod (2), and a buckle assembly (9) is arranged on the protection mechanism (3); protection machanism (3) are including fixed semicircle seat (31), activity groove (32), activity arc board (33), extrusion arch (331), slider (34), fixed semicircle seat (31) fixed connection is at cement slab (1) up end, power pole (2) cover establish in fixed semicircle seat (31) and not with fixed semicircle seat (31) internal surface contact, movable groove (32) have been seted up in fixed semicircle seat (31), activity groove (32) both ends are stretched into and sliding connection by a set of activity arc board (33) respectively, every group activity arc board (33) stretch into activity groove (32) one end fixedly connected with slider (34), every group slider (34) sliding connection is at activity groove (32) internal surface.

2. The energy-saving and environment-friendly rural electric high-voltage rod rapid protection mechanism as claimed in claim 1, wherein: the outer surface of each group of the movable arc plates (33) is fixedly connected with a rib plate, and the outer surface of the rib plate is fixedly connected with a plurality of groups of extrusion bulges (331) at equal intervals.

3. The energy-saving and environment-friendly rural electric high-voltage rod rapid protection mechanism as claimed in claim 2, wherein: each group of extrusion bulges (331) on the outer surface of the rib plate are made of rubber.

4. The energy-saving and environment-friendly rural electric high-voltage rod rapid protection mechanism as claimed in claim 1, wherein: a safety bag (4) is placed between two groups of sliding blocks (34) in the movable groove (32), an outlet (41) is formed in the inner side of the movable groove (32), one end of the safety bag (4) extends out of the outlet (41) and is connected with the outlet in a sliding mode, and the extending part of the safety bag (4) is attached to the side face of the power rod (2).

5. The energy-saving and environment-friendly rural electric high-voltage rod rapid protection mechanism as claimed in claim 1, wherein: the movable groove (32) is fixedly connected with a limiting plate (5) at the center inside, and a group of safety bags (4) are fixedly connected to the side surfaces of two ends of the limiting plate (5).

6. The energy-saving and environment-friendly rural electric high-voltage rod rapid protection mechanism as claimed in claim 1, wherein: every group the inboard fixedly connected with rack (6) of activity arc board (33), rack (6) meshing is connected with gear (61), gear (61) are run through and are rotated the connection by the connecting rod, and connecting rod fixed connection in fixed mouthful (62), direction arc groove (64) have been seted up to adjacent activity groove (32) in activity arc board (33), and have seted up between activity groove (32) and the direction arc groove (64) fixed mouthful (62), one side meshing that rack (6) were kept away from in gear (61) is connected with tooth arc board (63), tooth arc board (63) sliding connection is in direction arc groove (64).

7. The energy-saving and environment-friendly rural electric high-voltage rod rapid protection mechanism as claimed in claim 1, wherein: the bottom of the movable arc plate (33) is arc-shaped and is provided with a plurality of groups of ball grooves (7) at equal intervals, and each group of ball grooves (7) is connected with a group of balls (71) in a rolling manner.

8. The energy-saving and environment-friendly rural electric high-voltage rod rapid protection mechanism according to claim 7, is characterized in that: activity groove (32) internal surface bottom in fixed semicircle seat (31) is arc equidistant and has seted up a plurality of groups fixed slot (8), every group fixed slot (8) internal fixedly connected with fixed plate (81), every group fixed plate (81) run through sliding connection and have slide bar (82), slide bar (82) upper end is stretched out fixed slot (8) and fixedly connected with depression bar (83), and slide bar (82) upper end part cover is equipped with reset spring, slide bar (82) lower extreme fixedly connected with ejector pin (84), every group ejector pin (84) stretch into and sliding connection has a set of top groove (85), every group top groove (85) are all seted up on cement board (1).

9. The energy-saving and environment-friendly rural electric high-voltage rod rapid protection mechanism as claimed in claim 1, wherein: buckle subassembly (9) are including kelly (91), control groove (92), draw-in groove (93), F pole (94), locking spring (95), and are two sets of one of them a set of movable arc board (33) fixedly connected with kelly (91) on the one side of two laminating of movable arc board (33), kelly (91) stretches into and swing joint has control groove (92), control groove (92) are seted up on another a set of movable arc board (33), draw-in groove (93) have been seted up to kelly (91), stretch into and sliding connection has F pole (94) in draw-in groove (93), F pole (94) left end fixedly connected with locking spring (95), locking spring (95) fixed connection is at control groove (92) internal surface left end.

10. The energy-saving and environment-friendly rural electric high-voltage rod rapid protection mechanism according to claim 9, is characterized in that: a group of control mouth (100) has been seted up to control groove (92) internal surface right-hand member upside, F pole (94) one end stretches into control mouth (100) and sliding connection, and F pole (94) stretch into control mouth (100) one end and control mouth (100) terminal surface alignment.

Technical Field

The invention relates to the technical field of electric power poles, in particular to an energy-saving and environment-friendly rapid protection mechanism for a rural electric power high-voltage pole.

Background

A pole of an electric power pole wire. It appears in every countryside-field-road-street, and is one of the important infrastructures in the early China.

In the prior art, particularly in the field of rural construction, electric poles are often erected on two sides of rural roads, when rural construction is modified, a large number of vehicles such as pump trucks, commercial hybrid cars, transport vehicles and the like are continuously driven on the rural roads, so that the electric poles on the rural roads near a construction site and the rural roads frequently driven by the vehicles are easily impacted by the vehicles, the electric poles are damaged, and even the electric poles can be collapsed in serious cases to cause power failure of an electric power line where the electric poles are located, and electric shock accidents are very easy to occur.

Therefore, an energy-saving and environment-friendly rural electric power high-voltage rod rapid protection mechanism is provided.

Disclosure of Invention

The invention aims to provide an energy-saving and environment-friendly rural power high-voltage rod rapid protection mechanism to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an energy-saving and environment-friendly rural power high-voltage rod rapid protection mechanism comprises a cement board, wherein a power rod is fixedly connected to the cement board, a protection mechanism is sleeved at the bottom of the power rod, and a buckle assembly is arranged on the protection mechanism; protection machanism is including fixed semicircle seat, activity groove, activity arc board, extrusion arch, slider, fixed semicircle seat fixed connection is at the cement board up end, the power rod cover is established in fixed semicircle seat and not with fixed semicircle seat internal surface contact, the activity groove has been seted up in the fixed semicircle seat, activity groove both ends are stretched into and sliding connection, every group by a set of activity arc board respectively the activity arc board stretches into activity groove one end fixedly connected with slider, every group slider sliding connection is at the activity inslot face.

Preferably, the outer surface of each group of movable arc plates is fixedly connected with a rib plate, and the outer surface of the rib plate is fixedly connected with a plurality of groups of extrusion bulges at equal intervals.

Preferably, each group of extrusion bulges on the outer surface of the rib plate are made of rubber.

Preferably, a safety bag is placed between two groups of sliding blocks in the movable groove, an outlet is formed in the inner side of the movable groove, one end in the safety bag extends out of the outlet and is in sliding connection with the outlet, and the extending part of the safety bag is attached to the side face of the power rod.

Preferably, the center of the inner part of the movable groove is fixedly connected with a limiting plate, and the side surfaces of two ends of the limiting plate are fixedly connected with a group of safety bags.

Preferably, every group the inboard fixedly connected with rack of activity arc board, rack toothing is connected with the gear, the gear is run through and swivelling joint by the connecting rod, and connecting rod fixed connection in the fixed orifices, the direction arc groove has been seted up to adjacent movable slot in the activity arc board, and has seted up the fixed orifices between movable slot and the direction arc groove, the gear is kept away from one side meshing of rack and is connected with the tooth arc board, tooth arc board sliding connection is in the direction arc inslot.

Preferably, the bottom of the movable arc plate is arc-shaped and is provided with a plurality of groups of ball grooves at equal intervals, and each group of ball grooves is connected with a group of balls in a rolling manner.

Preferably, the fixed surface bottom of the movable groove in the fixed semicircular seat is arc equidistant and has been seted up a plurality of groups fixed slot, every group fixedly connected with fixed plate in the fixed slot, every group the fixed plate runs through sliding connection and has the slide bar, fixed slot and fixedly connected with depression bar are stretched out to the slide bar upper end, and slide bar upper end part cover is equipped with reset spring, slide bar lower extreme fixedly connected with ejector pin, every group the ejector pin stretches into and sliding connection has a set of top groove, every group the top groove is all seted up on the cement board.

Preferably, the buckle subassembly includes kelly, control slot, draw-in groove, F pole, locking spring, and is two sets of one of them a set of movable arc board fixedly connected with kelly in the one side of two laminatings of activity arc board, the kelly stretches into and swing joint has the control slot, the control slot is seted up on another group's activity arc board, the draw-in groove has been seted up to the kelly, stretch into and sliding connection has the F pole in the draw-in groove, F pole left end fixedly connected with locking spring, locking spring fixed connection is at control slot internal surface left end.

Preferably, a set of control mouth has been seted up to control groove internal surface right-hand member upside, F pole one end stretches into control mouth and sliding connection, and the F pole stretches into control mouth one end and control mouth terminal surface and aligns.

Compared with the prior art, the invention has the beneficial effects that:

1. after the device is installed, when a passing vehicle mistakenly hits an electric pole, the device is firstly contacted with the movable arc plate, so that the device can resist the impact of the vehicle on the electric pole, the movable arc plate is curved and is slidably connected in the fixed semicircular seat, when the vehicle hits the movable arc plate, the movable arc plate rotates under the action of lateral thrust of the impact of the vehicle, so that the impacted vehicle is guided to one side, the force unloading effect is achieved, the movable arc plate is difficult to be smashed under the action of larger vehicle impact force, and a better protection effect is achieved on the electric pole; after the device is installed, when a passing vehicle mistakenly hits the power rod, the device is firstly contacted with the movable arc plate, so that the device can resist the impact of the vehicle on the power rod, the movable arc plate is curved and is slidably connected in the fixed semicircular seat, when the vehicle hits the movable arc plate, the movable arc plate rotates under the action of lateral thrust of the impact of the vehicle, so that the impacted vehicle is guided to one side, the force unloading effect is achieved, the movable arc plate is difficult to be smashed under the action of larger vehicle impact force, and the better protection effect is achieved on the power rod.

2. The device is arranged on the electric pole to protect the electric pole, and the device does not need to provide any energy source such as electric power and the like in the using process and can be used for multiple times, so that the device has high protection performance and excellent energy saving performance, environmental protection performance and economical efficiency.

Drawings

FIG. 1 is an overall structural view of the present invention;

FIG. 2 is a combination view of the cement panel and the power pole of the present invention;

FIG. 3 is an overall top cross-sectional view of the present invention;

FIG. 4 is a partial combination view of the bottom of the movable arc plate and the stationary semicircular seat of the present invention;

FIG. 5 is an overall profile of the compression bar of the present invention;

FIG. 6 is an overall structural view of the gear of the present invention;

FIG. 7 is an enlarged view of A of FIG. 3 according to the present invention;

FIG. 8 is an enlarged view of B of FIG. 3 in accordance with the present invention;

FIG. 9 is an enlarged view of C of FIG. 4 in accordance with the present invention;

fig. 10 is an enlarged view of D of fig. 3 of the present invention.

In the figure: 1. a cement board; 2. an electric power pole; 3. a protection mechanism; 31. fixing the semicircular seat; 32. a movable groove; 33. a movable arc plate; 331. extruding the bulge; 34. a slider; 4. a safety bag; 41. an outlet; 5. a limiting plate; 6. a rack; 61. a gear; 62. a fixed port; 63. a tooth arc plate; 64. a guide arc groove; 7. a bead groove; 71. a ball bearing; 8. fixing grooves; 81. a fixing plate; 82. a slide bar; 83. a pressure lever; 84. a top rod; 85. a top groove; 9. a buckle assembly; 91. a clamping rod; 92. a control slot; 93. a card slot; 94. a F rod; 95. a locking spring; 100. and a control port.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 10, the present invention provides a technical solution: an energy-saving and environment-friendly rural power high-voltage rod rapid protection mechanism comprises a cement board 1, wherein a power rod 2 is fixedly connected to the cement board 1, a protection mechanism 3 is sleeved at the bottom of the power rod 2, and a buckle assembly 9 is arranged on the protection mechanism 3; protection machanism 3 is including fixed semicircle seat 31, activity groove 32, activity arc 33, extrusion arch 331, slider 34, fixed semicircle seat 31 fixed connection is at 1 up end of cement board, 2 covers of power pole are established in fixed semicircle seat 31 and not with fixed semicircle seat 31 internal surface contact, movable groove 32 has been seted up in the fixed semicircle seat 31, movable groove 32 both ends are stretched into and sliding connection, every group by a set of activity arc 33 respectively activity arc 33 activity groove 32 one end fixedly connected with slider 34, every group activity arc 33 stretches into activity groove 32 internal surface.

As an embodiment of the present invention, as shown in fig. 1 and 3, a rib plate is fixedly connected to an outer surface of each group of the movable arc plates 33, and a plurality of groups of extrusion protrusions 331 are fixedly connected to an outer surface of the rib plate at equal intervals.

During operation, the design of the rib plate enables the movable arc plate 33 to buffer the vehicle impact part when being impacted by the vehicle, thereby avoiding damage caused by direct contact of two hard objects.

As an embodiment of the present invention, as shown in fig. 1 and 3, each set of pressing protrusions 331 on the outer surface of the rib plate is made of rubber.

When the extrusion device works, the extrusion protrusion 331 is made of rubber, so that the extrusion protrusion 331 can deform when being impacted, and is not easy to separate from the rib plate.

As an embodiment of the present invention, as shown in fig. 3, a safety bag 4 is placed between two sets of sliders 34 in the movable groove 32, an outlet 41 is opened inside the movable groove 32, one end of the safety bag 4 extends out of the outlet 41 and is connected in a sliding manner, and the extended part of the safety bag 4 is attached to the side surface of the power rod 2.

In operation, when the movable arc plate 33 slides towards the movable groove 32 under the impact force, the safety bag 4 in the movable groove 32 is extruded, so that the volume of the safety bag 4 in the movable groove 32 is reduced, gas in the movable groove 32 of the safety bag 4 is extruded out of the outlet 41 and enters the part of the safety bag 4 attached to the electric pole 2, the part of the safety bag 4 attached to the electric pole 2 is enlarged, the movable arc plate 33 rotates under the impact lateral force to carry out force unloading, and the safety bag 4 forms buffer force unloading to the impacted vehicle when the movable arc plate 33 is crushed due to the overlarge impact force in the rotating process of the movable arc plate 33, namely, secondary protection is formed on the electric pole 2.

As an embodiment of the present invention, as shown in fig. 3 and 7, a position-limiting plate 5 is fixedly connected to the center inside the movable groove 32, and a group of safety bags 4 is fixedly connected to both side surfaces of each of the two ends of the position-limiting plate 5.

In operation, the design of the fixed connection between the limiting plate 5 and the safety bag 4 makes it difficult for the safety bag 4 to slide out completely through the outlet 41.

As an embodiment of the present invention, as shown in fig. 2, 6 and 8, a rack 6 is fixedly connected to the inner side of each group of the movable arc plates 33, the rack 6 is connected with a gear 61 in a meshing manner, the gear 61 is penetrated and rotatably connected by a connecting rod, the connecting rod is fixedly connected in a fixed opening 62, a guide arc groove 64 is formed in the adjacent movable groove 32 in the movable arc plate 33, the fixed opening 62 is formed between the movable groove 32 and the guide arc groove 64, a tooth arc plate 63 is connected to one side of the gear 61 away from the rack 6 in a meshing manner, and the tooth arc plate 63 is slidably connected in the guide arc groove 64.

During operation, when the lateral force that receives the striking rotates at activity arc 33, thereby the rack 6 of the inboard fixed connection of activity arc 33 rotates and makes the gear 61 of meshing drive the ratch board 63 antiport, and the ratch board 63 antiport promptly to the ratch board 63 plays spacing and the effect of direction together when making the part expansion of safety capsule 4 laminating electric pole 2, thereby can laminate more regions of electric pole 2, in order to form better buffering effect.

As an embodiment of the present invention, as shown in fig. 4 and 9, a plurality of sets of ball grooves 7 are formed in the bottom of the movable arc plate 33 at equal intervals in an arc shape, and a set of balls 71 is connected in each set of ball grooves 7 in a rolling manner.

The during operation, when the yawing force that receives the striking rotates at activity arc 33, thereby the design of activity arc 33 bottom ball 71 makes activity arc 33 bottom junction become rolling friction by sliding friction, reduces the frictional force of activity arc 33 promptly and makes activity arc 33 rotate more easily to can reach better power of unloading effect, can be better protect electric pole 2.

As an embodiment of the present invention, as shown in fig. 5 and 9, a plurality of groups of fixing grooves 8 are formed in the bottom of the inner surface of the movable groove 32 in the fixed semicircular seat 31 at equal intervals in an arc shape, a fixing plate 81 is fixedly connected in each group of fixing grooves 8, each group of fixing plates 81 is connected in a sliding manner, a sliding rod 82 penetrates through each group of fixing plates 81, the upper end of the sliding rod 82 extends out of the fixing groove 8 and is fixedly connected with a pressing rod 83, a return spring is sleeved on the upper end portion of the sliding rod 82, the lower end of the sliding rod 82 is fixedly connected with a top rod 84, each group of top rods 84 extends into and is connected with a group of top grooves 85 in a sliding manner, and each group of top grooves 85 is formed in the cement plate 1.

During operation, when the movable arc plate 33 rolls in the movable groove 32, the pressing rod 83 at the bottom of the movable groove 32 is extruded, so that the pressing rod 83 moves downwards through the ejector rod 84 fixedly connected with the sliding rod 82, the ejector rod 84 is clamped in the top groove 85, the connection between the fixed semicircular seat 31 where the ejector rod 84 is located and the cement board 1 where the top groove 85 is located in the horizontal direction is firmer, and therefore the fixed semicircular seat 31 can firmly support the sliding of the movable arc plate 33 and bear the vehicle impact force after the force is removed, and the protection effect of the device is improved.

As an embodiment of the present invention, as shown in fig. 10, the buckle assembly 9 includes a clamping rod 91, a control groove 92, a clamping groove 93, an F-shaped rod 94, and a locking spring 95, one of the two attached surfaces of the two sets of movable arc plates 33 is fixedly connected to the clamping rod 91, the clamping rod 91 extends into and is movably connected to the control groove 92, the control groove 92 is formed in the other set of movable arc plates 33, the clamping groove 93 is formed in the clamping rod 91, the F-shaped rod 94 extends into and is slidably connected to the clamping groove 93, the locking spring 95 is fixedly connected to the left end of the inner surface of the control groove 92, and the locking spring 95 is fixedly connected to the left end of the inner surface of the control groove 92.

In operation, the two sets of fixed semicircular seats 31 are pulled and move towards the movable groove 32, so that the device is convenient to surround the power rod 2, the device is moved to enable the power rod 2 to be positioned behind the center of the device, the two sets of movable arc plates 33 are rotated, the clamping rods 91 of one set of movable arc plates 33 extend into and are clamped by the control grooves 92 of the other set of movable arc plates 33, and therefore the two sets of movable arc plates 33 move together when the movable arc plates 33 bear impact force, so that the impact part of a vehicle is difficult to extend into through the gap between the two sets of movable arc plates 33 to impact the power rod 2 inside.

As an embodiment of the present invention, as shown in fig. 10, a set of control openings 100 is opened on the upper side of the right end of the inner surface of the control slot 92, one end of the F-rod 94 extends into the control opening 100 and is slidably connected, and one end of the F-rod 94 extending into the control opening 100 is aligned with the end surface of the control opening 100.

During operation, thereby press F pole 94 through control port 100 and remove the lock-up state to be convenient for separate two sets of movable arc boards 33 and install and remove the device, the design that F pole 94 stretched into control port 100 one end and control port 100 terminal surface and aligns makes even the vehicle just hits control port 100 and can not remove the lock-up state.

The working principle is as follows: when the electric pole 2 beside the country road is likely to be impacted by vehicles, the device is arranged on the electric pole 2 with high possibility of being impacted, and the device is removed after the country construction in the region is completed, so that the electric pole 2 can be used for many times, and the safety of the electric pole 2 is protected, and the electric pole is more energy-saving and economical; the two groups of fixed semicircular seats 31 are pulled and move towards the movable groove 32, so that the device is convenient to surround the power rod 2, the device is moved to enable the power rod 2 to be positioned at the center of the device, the two groups of movable arc plates 33 are rotated, the clamping rod 91 of one group of movable arc plates 33 extends into and is clamped by the control groove 92 of the other group of movable arc plates 33, so that the two groups of movable arc plates 33 move together when the movable arc plates 33 bear impact force, the vehicle impact part is difficult to extend into the control groove 92 of the other group of movable arc plates 33 to impact the internal power rod 2 through the gap between the two groups of movable arc plates 33, the F rod 94 is pressed through the control port 100 to release the locking state, the two groups of movable arc plates 33 are convenient to separate, the device is convenient to detach, and the design that one end of the F rod 94 extending into the control port 100 is aligned with the end surface of the control port 100 enables the vehicle to be just collided with the control port 100 and the locking state cannot be released; after the device is installed, when a passing vehicle mistakenly hits the electric pole 2, the device is firstly contacted with the movable arc plate 33, so that the device can resist the vehicle from hitting the electric pole 2, the movable arc plate 33 is curved, the movable arc plate 33 is connected in the fixed semicircular seat 31 in a sliding manner, when the vehicle hits the movable arc plate 33, the movable arc plate 33 rotates under the action of the lateral thrust of the vehicle impact, so that the hit vehicle is guided to one side, the force unloading effect is achieved, the movable arc plate 33 is difficult to be crashed under the action of larger vehicle impact force, and the better protection effect on the electric pole 2 is achieved; when the movable arc plate 33 slides to the movable groove 32 under the impact force, the safety bag 4 in the movable groove 32 is extruded, so that the volume of the safety bag 4 in the movable groove 32 is reduced, gas in the movable groove 32 of the safety bag 4 is extruded out of the outlet 41 and enters the part of the safety bag 4 attached to the electric pole 2, the part of the safety bag 4 attached to the electric pole 2 is enlarged, the movable arc plate 33 rotates under the impact lateral force to carry out unloading force, and the safety bag 4 forms buffer unloading force on an impacted vehicle when the movable arc plate 33 is crushed due to the overlarge impact force in the rotating process of the movable arc plate 33, namely secondary protection is formed on the electric pole 2, and the safety bag 4 is difficult to completely slide out through the outlet 41 due to the design that the limiting plate 5 is fixedly connected with the safety bag 4;

when the movable arc plate 33 rotates under the lateral force of impact, the rack 6 fixedly connected with the inner side of the movable arc plate 33 rotates, so that the meshed gear 61 drives the toothed arc plate 63 to rotate reversely, namely the toothed arc plate 63 rotates reversely, so that the toothed arc plate 63 plays a role of limiting and guiding when the part of the safety bag 4 attached to the electric power rod 2 expands, and thus, more areas of the electric power rod 2 can be attached to form a better buffering effect; when the movable arc plate 33 is rotated by the lateral force of the impact, the design of the balls 71 at the bottom of the movable arc plate 33 changes the sliding friction into the rolling friction at the bottom joint of the movable arc plate 33, namely, the friction force of the movable arc plate 33 is reduced, so that the movable arc plate 33 is easier to rotate, thereby achieving better force unloading effect, namely, the electric power rod 2 can be better protected, when the movable arc plate 33 rolls in the movable groove 32, the pressure rod 83 at the bottom of the movable groove 32 is extruded, so that the push rod 84, which is fixedly connected with the slide rod 82, of the press rod 83 moves downwards, so that the push rod 84 is clamped into the push groove 85, so that the fixed semicircular seat 31 where the push rod 84 is located and the cement board 1 where the push groove 85 is located are more firmly connected in the horizontal direction, so that the fixed semicircular seat 31 can firmly support the sliding of the movable arc plate 33 and bear the vehicle impact force after the force is removed, thereby increasing the protection effect of the device; in summary, the device is installed on the power rod 2 to protect the power rod 2, and the device can be used for multiple times without providing any energy source such as power in the using process, so that the device has high protection performance and excellent energy saving performance, environmental protection performance and economical efficiency.

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.