阅读说明：本技术 基于通讯基站抢修用安全防护装置及其使用方法 (Communication base station-based emergency repair safety protection device and use method thereof ) 是由 肖杨 于 2021-08-16 设计创作，主要内容包括：本发明公开了基于通讯基站抢修用安全防护装置及其使用方法,包括底板,底板的顶部开设有转动孔,转动孔的内腔转动连接有第一转轴,第一转轴的外壁固定套接有收卷辊,底板的上方设有顶块,顶块的顶部开设有旋转槽,旋转槽的内腔设有转盘,第一转轴的顶端贯穿顶块的底部并与转盘的底部固定连接,收卷辊的一侧设有U型防护布,U型防护布之间固定连接有连接布,U型防护布的内腔等距设有多个防护栏杆。本发明利用第一转轴、收卷辊和转盘的设置,通过转盘带动第一转轴和收卷辊转动,从而至使收卷辊收卷U型防护布和防护栏杆,实现安全防护栏的快速收取和搬运,提高了通讯基站抢修现场搬运防护栏的便捷性。(The invention discloses a communication base station-based emergency repair safety protection device and a using method thereof. According to the invention, the first rotating shaft, the wind-up roll and the turntable are arranged, and the turntable drives the first rotating shaft and the wind-up roll to rotate, so that the wind-up roll winds the U-shaped protective cloth and the protective railing, the safety protective fence can be rapidly collected and transported, and the convenience of transporting the protective fence on the emergency repair site of the communication base station is improved.)

1. Based on communication base station salvagees and uses safety device, including bottom plate (1), its characterized in that, the top of bottom plate (1) has been seted up and has been rotated hole (2), the inner chamber of rotating hole (2) rotates and is connected with first pivot (3), the outer wall of first pivot (3) is fixed to be cup jointed wind-up roll (4), the top of bottom plate (1) is equipped with kicking block (5), the top of kicking block (5) has been seted up swivel chute (6), the inner chamber of swivel chute (6) is equipped with carousel (7), the top of first pivot (3) runs through the bottom of kicking block (5) and is fixed connection with the bottom of carousel (7), one side of wind-up roll (4) is equipped with U type protection cloth (8), fixed connection has connecting cloth (9) between U type protection cloth (8), one side of connecting cloth (9) and the outer wall fixed connection of wind-up roll (4), the inner cavity of the U-shaped protective cloth (8) is equidistantly provided with a plurality of protective railings (10).

2. The communication base station-based emergency repair safety device according to claim 1, the top of the turntable (7) is fixedly connected with an auxiliary strip (11), the top of the auxiliary strip (11) is provided with a hexagonal groove (12), through holes (13) are symmetrically arranged at the top of the auxiliary strip (11) and at the two sides of the hexagonal groove (12), intercommunicating pores (14) are symmetrically formed in the top of the rotary table (7), a plurality of positioning holes (15) are formed in the bottom of the inner wall of the rotary groove (6) in an annular array, positioning bolts (16) are sleeved in inner cavities of the two through holes (13) in a sliding mode, the outer walls of the two positioning bolts (16) are sleeved in inner cavities of the intercommunicating pores (14) corresponding to the positions in a sliding mode, and one ends of the two positioning bolts (16) are in threaded connection with the inner cavities of the positioning holes (15) corresponding to the positions.

3. The communication base station-based emergency repair safety protection device according to claim 1, wherein a supporting rod (17) is fixedly connected to one side of the top block (5), the bottom of the supporting rod (17) is fixedly connected to the top of the bottom plate (1), a plurality of mounting grooves (18) are formed in one side of the supporting rod (17) at equal intervals, and a plurality of magnet blocks (19) are fixedly mounted in inner cavities of the mounting grooves (18).

4. The communication base station-based emergency repair safety protection device according to claim 1, wherein the top and the bottom of the outer wall of the protective barrier (10) are rectangular arrays and provided with four fixing rods (20), eight fixing rods (20) are rotatably connected to one side of each fixing rod (21), eight rolling rollers (22) are fixedly sleeved on the outer wall of each second rotating shaft (21), and eight rolling rollers (22) are arranged on the outer wall of the U-shaped protective cloth (8).

5. The communication base station-based emergency repair safety protection device is characterized in that a containing hole (23) is formed in the bottom of the protection guardrail (10), a ground penetrating nail (24) is sleeved in a sliding mode in an inner cavity of the containing hole (23), a hole plug (25) is embedded in the inner cavity of the containing hole (23), internal threads are formed in the position, located above the hole plug (25), of the inner wall of the containing hole (23), and the outer wall of the ground penetrating nail (24) is in threaded connection with the internal threads formed in the inner wall of the containing hole (23).

6. The communication base station-based emergency repair safety protection device according to claim 5, wherein a movable block (26) is arranged above the ground nail (24), a strip-shaped hole (27) is formed in the bottom of the movable block (26), an inner cavity of the strip-shaped hole (27) is rotatably connected with a third rotating shaft (28), and the bottom of the third rotating shaft (28) is fixedly connected with the top of the ground nail (24).

7. The communication base station-based emergency repair safety device according to claim 6, wherein an annular groove (29) is formed in an inner wall of the bar-shaped hole (27), a limit ring (30) is fixedly sleeved on an outer wall of the third rotating shaft (28), and an outer wall of the limit ring (30) is rotatably sleeved with an inner cavity of the annular groove (29).

8. The communication base station-based emergency repair safety protection device according to claim 5, wherein the two sides of the inner wall of the accommodating hole (23) are symmetrically provided with limiting sliding grooves (31), the inner cavities of the two limiting sliding grooves (31) are respectively sleeved with a limiting sliding block (32) in a sliding manner, and one side of each of the two limiting sliding blocks (32) is fixedly connected with one side of the corresponding movable block (26).

9. The communication base station-based emergency repair safety protection device according to claim 6, wherein a return spring (33) is fixedly connected to the top of the movable block (26), and the top of the return spring (33) is fixedly connected to the top of the inner wall of the accommodating hole (23).

10. The use method of the safety protection device for rush repair based on the communication base station is characterized by comprising the following specific use steps of:

the method comprises the following steps: when a communication base station carries out emergency repair work, a protective guard is conveyed to a construction phenomenon and placed at an appointed position, then acting force in one direction is applied to a protective guard (10) at the end, the protective guard (10) at the end drives a U-shaped protective cloth (8) to move and is separated from a winding roller (4), when the U-shaped protective cloth (8) separated from the winding roller (4) is long enough, the acting force applied to the protective guard (10) and the U-shaped protective cloth (8) is stopped, then steering force in the clockwise direction is applied to two positioning bolts (16) on an auxiliary strip (11), the two positioning bolts (16) enter corresponding positioning holes (15), positioning work on a first rotating shaft (3) and the winding roller (4) is completed, and then subsequent positioning work of the protective guard (10) can be carried out;

step two: when positioning work of the protection railing (10) is needed, firstly, the hole plug (25) at the bottom of the protection railing (10) is taken out from the accommodating hole (23), the ground nail (24) automatically moves vertically downwards due to self gravity while the hole plug (25) is taken out from the accommodating hole (23), when the ground nail (24) protrudes out of the accommodating hole (23), the ground nail (24) is pulled downwards and rotated to ensure that the ground nail (24) is in threaded connection with the internal thread section of the inner wall of the accommodating hole (23) to complete the positioning work of the ground nail (24), then downward acting force is applied to the ground nail (24) to ensure that the ground nail (24) enters the ground to be installed, thereby completing the positioning work of the protection railing (10), then the steps can be repeated to complete the positioning work of a plurality of protection railings (10), when all the protection railings (10) are positioned, the safety protective guard of the communication base station emergency repair site is installed;

step three: when the emergency repair is finished and the safety protective guard needs to be collected, the steps of taking out the ground penetrating nails (24) are reversely operated to finish the storage work of the ground penetrating nails (24) of a plurality of protective guard bars (10), then applying a steering force in the anticlockwise direction to the two positioning bolts (16) on the auxiliary strip (11) to separate the two positioning bolts (16) from the positioning holes (15), thereby relieving the positioning work of the turntable (7), the first rotating shaft (3) and the wind-up roll (4), pushing a plurality of protective railings (10) to the end of the U-shaped protective cloth (8), exerting the steering force on the auxiliary bar (11), leading the turntable (7) to drive the first rotating shaft (3) and the wind-up roll (4) to rotate, therefore, the U-shaped protective cloth (8) is rolled up, and finally the protective railing (10) on the side is adsorbed on the magnet block (19), so that the whole collecting work of the safety protective guard is completed.

Technical Field

The invention relates to the technical field of communication base stations, in particular to a communication base station-based safety protection device for rush repair and a using method thereof.

Background

A base station, i.e., a common mobile communication base station, is a form of a radio station, which refers to a radio transceiver station for information transfer with a mobile phone terminal through a mobile communication switching center in a certain radio coverage area. The baseband and radio frequency processing capability of the base station determines that the physical structure of the base station consists of a baseband module and a radio frequency module. The baseband module mainly completes the functions of baseband modulation and demodulation, wireless resource allocation, call processing, power control, soft switching and the like. The radio frequency module mainly completes the conversion between the air radio frequency channel and the baseband digital channel, and the amplification, the receiving and the transmitting of the radio frequency channel, and the like.

The phenomenon that partial equipment damaged can appear in the time of daily work in communication base station, when this kind of phenomenon takes place, need the staff in time to salvage the work to communication base station, salvage the during operation, in order to avoid the job site to get into the outer personnel of construction and also think about to the outer personnel's of construction safety simultaneously, the job site can adopt safety protective guard to come the blockade phenomenon, present safety protective guard is setting up and the volume of one piece great now, so there is the phenomenon of transport difficulty, the convenience of communication base station salvage the on-the-spot transport protective guard.

Disclosure of Invention

The invention aims to provide a communication base station-based safety protection device for emergency repair and a using method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: based on communication basic station salvagees and uses safety device, comprising a base plate, the rotation hole has been seted up at the top of bottom plate, the inner chamber that rotates the hole rotates and is connected with first pivot, the fixed cover of outer wall of first pivot has connect the wind-up roll, the top of bottom plate is equipped with the kicking block, the swivelling chute has been seted up at the top of kicking block, the inner chamber of swivelling chute is equipped with the carousel, the top of first pivot run through the bottom of kicking block and with the bottom fixed connection of carousel, one side of wind-up roll is equipped with U type protection cloth, fixedly connected with connects cloth between the U type protection cloth, one side of connecting cloth and the outer wall fixed connection of wind-up roll, the inner chamber equidistance of U type protection cloth is equipped with a plurality of protection railing.

Preferably, the top of the turntable is fixedly connected with an auxiliary strip, the top of the auxiliary strip is provided with a hexagonal groove, the top of the auxiliary strip is symmetrically provided with through holes at positions on two sides of the hexagonal groove, the top of the turntable is symmetrically provided with communicating holes, the bottom of the inner wall of the rotary groove is provided with a plurality of positioning holes in an annular array, the inner cavities of the two through holes are both slidably sleeved with positioning bolts, the outer walls of the two positioning bolts are slidably sleeved with the inner cavities of the communicating holes corresponding to the positions, and one ends of the two positioning bolts are in threaded connection with the inner cavities of the positioning holes corresponding to the positions.

Preferably, one side fixedly connected with bracing piece of kicking block, the bottom of bracing piece and the top fixed connection of bottom plate, a plurality of mounting grooves have been seted up to one side equidistance of bracing piece, and are a plurality of the equal fixed mounting in inner chamber of mounting groove has the magnet piece.

Preferably, four dead levers, eight have all been seted up to rectangular array in the top and the bottom of protection railing outer wall one side of dead lever is all rotated and is connected with the second pivot, eight the outer wall of second pivot all fixed the cup joint have the roll roller, eight the roll roller all sets up in the outer wall of U type protection cloth.

Preferably, the accommodation hole has been seted up to the bottom of protection railing, the ground nail has been cup jointed in the inner chamber of accommodation hole slip, the hole stopper has been inlayed to the inner chamber of accommodation hole, the internal thread has been seted up to the inner wall of accommodation hole and the top position department that is located the hole stopper, the internal thread threaded connection that has been seted up with the accommodation hole inner wall to the outer wall of going into the ground nail.

Preferably, the top of going into the ground nail is equipped with the movable block, the bar hole has been seted up to the bottom of movable block, the inner chamber in bar hole rotates and is connected with the third pivot, the bottom of third pivot and the top fixed connection of going into the ground nail.

Preferably, the inner wall of the strip-shaped hole is provided with an annular groove, the outer wall of the third rotating shaft is fixedly sleeved with a limiting ring, and the outer wall of the limiting ring is rotatably sleeved with the inner cavity of the annular groove.

Preferably, the two sides of the inner wall of the accommodating hole are symmetrically provided with limiting sliding grooves, two limiting sliding blocks are sleeved in the inner cavities of the limiting sliding grooves in a sliding mode, and one side of each limiting sliding block is fixedly connected with one side, corresponding to the position of the movable block, of the corresponding movable block.

Preferably, the top of the movable block is fixedly connected with a return spring, and the top of the return spring is fixedly connected with the top of the inner wall of the accommodating hole.

The invention also provides a use method of the safety protection device for emergency repair based on the communication base station, which comprises the following specific use steps:

the method comprises the following steps: when the communication base station carries out emergency repair work, the guard rail is conveyed to a construction phenomenon and placed at an appointed position, then acting force in one direction is applied to the guard rail at the end, so that the guard rail at the end drives the U-shaped protective cloth to move and separate from the winding roller, when the U-shaped protective cloth separated from the winding roller is long enough, the acting force applied to the guard rail and the U-shaped protective cloth is stopped, then steering force in the clockwise direction is applied to the two positioning bolts on the auxiliary bar, so that the two positioning bolts enter the corresponding positioning holes, the positioning work of the first rotating shaft and the winding roller is completed, and then the subsequent positioning work of the guard rail can be carried out;

step two: when positioning work of the protection railing is required, firstly, the hole plug at the bottom of the protection railing is taken out of the accommodating hole, the ground nail can automatically move vertically downwards due to self gravity when the hole plug is taken out of the accommodating hole, when the ground nail protrudes out of the accommodating hole, the ground nail is pulled downwards and rotated to be in threaded connection with the internal thread section of the inner wall of the accommodating hole, positioning work of the ground nail is completed, downward acting force is applied to the ground nail, the ground nail enters the ground to be installed, positioning work of the protection railing is completed, then the steps can be repeated to complete positioning work of a plurality of protection railings, and after all the protection railings are positioned, the safety guardrails of emergency repair sites of communication base stations are installed;

step three: when needing to collect safety protective fence after rush-repair, take out the step of going into ground nail more than the reverse operation, accomplish the work of accomodating of the nail of going into ground of a plurality of protection railing, then exert the steering force on the counter-clockwise to two positioning bolt on the assistant bar, make two positioning bolt break away from the locating hole, thereby remove the carousel, the positioning work of first pivot and wind-up roll, push away a plurality of protection railings to the end of U type protection cloth again, alright exert the steering force to the assistant bar, make the carousel drive first pivot and wind-up roll rotate, thereby the work of rolling U type protection cloth, adsorb the protection railing of avris on the magnet piece at last and just accomplished the whole work of collecting of safety protective fence.

The invention has the technical effects and advantages that:

(1) according to the invention, the first rotating shaft and the wind-up roll are driven to rotate through the turntable by utilizing the arrangement of the first rotating shaft, the wind-up roll and the turntable, so that the wind-up roll winds the U-shaped protective cloth and the protective railing, the safety protective fence is rapidly collected and transported, and the convenience of transporting the protective railing on the emergency repair site of a communication base station is improved;

(2) according to the invention, the ground nail protrudes out of the protective barrier by opening the hole plug by utilizing the arrangement of the ground nail and the hole plug, so that the installation of the protective barrier is facilitated and the installation stability of the protective barrier is improved;

(3) according to the invention, by means of the arrangement of the limiting slide block and the limiting slide groove and the relative movement between the limiting slide block and the limiting slide groove, the movable block can be ensured to move stably, meanwhile, the ground penetrating nail is prevented from being separated from the accommodating hole, and the movement stability of the movable block is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the guard rail of the present invention.

FIG. 3 is an enlarged view of a portion A of FIG. 2 according to the present invention.

FIG. 4 is a schematic view of a sectional structure of a wind-up roll in a plane view.

FIG. 5 is a front cross-sectional structural view of the present invention.

Fig. 6 is a schematic sectional view showing the structure of the rolling roller according to the present invention.

FIG. 7 is an enlarged view of a portion of the structure shown at B in FIG. 5 according to the present invention.

FIG. 8 is a cross-sectional structural view of the ground nail of the present invention.

FIG. 9 is an enlarged view of a portion of the structure of FIG. 8 at C according to the present invention.

In the figure: 1. a base plate; 2. rotating the hole; 3. a first rotating shaft; 4. a wind-up roll; 5. a top block; 6. a rotating tank; 7. a turntable; 8. u-shaped protective cloth; 9. connecting cloth; 10. a guard rail; 11. an auxiliary bar; 12. a hexagonal groove; 13. a through hole; 14. a communicating hole; 15. positioning holes; 16. positioning the bolt; 17. a support bar; 18. mounting grooves; 19. a magnet block; 20. fixing the rod; 21. a second rotating shaft; 22. a rolling roller; 23. an accommodation hole; 24. nailing into the ground; 25. a hole plug; 26. a movable block; 27. a strip-shaped hole; 28. a third rotating shaft; 29. an annular groove; 30. a limiting ring; 31. a limiting chute; 32. a limiting slide block; 33. a return spring.

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.

The invention provides a communication base station-based emergency repair safety protection device and a using method thereof as shown in figures 1-9, the emergency repair safety protection device comprises a bottom plate 1, the top of the bottom plate 1 is provided with a rotating hole 2, the inner cavity of the rotating hole 2 is rotatably connected with a first rotating shaft 3, the outer wall of the first rotating shaft 3 is fixedly sleeved with a winding roller 4, a top block 5 is arranged above the bottom plate 1, the top of the top block 5 is provided with a rotating groove 6, the inner cavity of the rotating groove 6 is provided with a rotating disc 7, the top end of the first rotating shaft 3 penetrates through the bottom of the top block 5 and is fixedly connected with the bottom of the rotating disc 7, one side of the winding roller 4 is provided with a U-shaped protective cloth 8, a connecting cloth 9 is fixedly connected between the U-shaped protective cloths 8, one side of the connecting cloth 9 is fixedly connected with the outer wall of the winding roller 4, the inner cavity of the U-shaped protective cloth 8 is equidistantly provided with a plurality of protective railings 10, and a corresponding number of protective railings 10 can be installed in the U-shaped protective cloth 8 according to the actual installation situation;

an auxiliary bar 11 is fixedly connected to the top of the rotary table 7, the auxiliary bar 11 is convenient for a worker to apply force to drive the rotary table 7 to rotate, a hexagonal groove 12 is formed in the top of the auxiliary bar 11, the hexagonal groove 12 is convenient for the worker to use a driving electric appliance to drive the rotary table 7, the first rotary shaft 3 and the wind-up roll 4 to move, through holes 13 are symmetrically formed in the top of the auxiliary bar 11 and located on two sides of the hexagonal groove 12, communication holes 14 are symmetrically formed in the top of the rotary table 7, a plurality of positioning holes 15 are formed in the bottom of the inner wall of the rotary groove 6 in an annular array, positioning bolts 16 are sleeved in inner cavities of the two through holes 13 in a sliding mode, and the positioning bolts 16 and the positioning holes 15 are used for locking the rotary table 7, the outer walls of the two positioning bolts 16 are sleeved with the inner cavity of the communicating hole 14 corresponding to the position in a sliding manner, and one end of each of the two positioning bolts 16 is in threaded connection with the inner cavity of the positioning hole 15 corresponding to the position;

one side of the top block 5 is fixedly connected with a supporting rod 17, the bottom of the supporting rod 17 is fixedly connected with the top of the bottom plate 1, a plurality of mounting grooves 18 are formed in one side of the supporting rod 17 at equal intervals, magnet blocks 19 are fixedly mounted in inner cavities of the mounting grooves 18, and the magnet blocks 19 are used for adsorbing the protective barrier 10 to complete the positioning work of the protective barrier 10;

the top and the bottom of the outer wall of the guard rail 10 are both provided with four fixing rods 20 in a rectangular array, one side of each of the eight fixing rods 20 is rotatably connected with a second rotating shaft 21, the outer walls of the eight second rotating shafts 21 are fixedly sleeved with rolling rollers 22, the rolling rollers 22 enable the movement between the guard rail 10 and the U-shaped guard cloth 8 to be smoother, and the eight rolling rollers 22 are arranged on the outer wall of the U-shaped guard cloth 8;

the bottom of the protective railing 10 is provided with a containing hole 23, an inner cavity of the containing hole 23 is sleeved with a ground nail 24 in a sliding mode, a hole plug 25 is embedded in the inner cavity of the containing hole 23, the hole plug 25 is used for blocking the containing hole 23, meanwhile, the ground nail 24 is prevented from protruding out of the containing hole 23, an inner thread is arranged on the inner wall of the containing hole 23 and above the hole plug 25, and the outer wall of the ground nail 24 is in threaded connection with the inner thread arranged on the inner wall of the containing hole 23;

a movable block 26 is arranged above the ground nail 24, a strip-shaped hole 27 is formed in the bottom of the movable block 26, a third rotating shaft 28 is rotatably connected to the inner cavity of the strip-shaped hole 27, the movable block 26 and the ground nail 24 can be rotatably connected through the third rotating shaft 28, and the bottom of the third rotating shaft 28 is fixedly connected with the top of the ground nail 24;

an annular groove 29 is formed in the inner wall of the strip-shaped hole 27, a limiting ring 30 is fixedly sleeved on the outer wall of the third rotating shaft 28, and the outer wall of the limiting ring 30 is rotatably sleeved with the inner cavity of the annular groove 29;

the two sides of the inner wall of the accommodating hole 23 are symmetrically provided with limiting sliding grooves 31, the inner cavities of the two limiting sliding grooves 31 are sleeved with limiting sliding blocks 32 in a sliding manner, the limiting sliding blocks 32 and the limiting sliding grooves 31 are used for preventing the ground penetrating nails 24 from being separated from the accommodating hole 23, and one sides of the two limiting sliding blocks 32 are fixedly connected with one sides of the movable blocks 26 corresponding to the positions;

the top fixedly connected with reset spring 33 of movable block 26, reset spring 33 can take place elastic deformation to drive movable block 26 and go into ground nail 24 and do the motion that resets automatically, reset spring 33's top and the top fixed connection of accommodation hole 23 inner wall.

The working principle of the invention is as follows:

when a communication base station carries out emergency repair work, a protective guard is conveyed to a construction phenomenon and placed at an appointed position, then acting force in one direction is applied to the protective guard 10 at the end, so that the protective guard 10 at the end drives the U-shaped protective cloth 8 to move and separate from the winding roller 4, when the U-shaped protective cloth 8 separated from the winding roller 4 is long enough, the acting force applied to the protective guard 10 and the U-shaped protective cloth 8 is stopped, then steering force in the clockwise direction is applied to the two positioning bolts 16 on the auxiliary bar 11, so that the two positioning bolts 16 enter the corresponding positioning holes 15, the positioning work of the first rotating shaft 3 and the winding roller 4 is completed, and then the subsequent positioning work of the protective guard 10 can be carried out;

when positioning work of the protection railing 10 is required, firstly, the hole plug 25 at the bottom of the protection railing 10 is taken out of the accommodating hole 23, the ground nail 24 automatically moves vertically downwards due to self gravity while the hole plug 25 is taken out of the accommodating hole 23, after the ground nail 24 protrudes out of the accommodating hole 23, the ground nail 24 is pulled downwards and rotated, the ground nail 24 is connected with the internal thread section of the inner wall of the accommodating hole 23 in a threaded manner, positioning work of the ground nail 24 is completed, then downward acting force is applied to the ground nail 24, the ground nail 24 enters the ground to be installed, so that positioning work of the protection railing 10 is completed, then, the steps can be repeated to complete positioning work of a plurality of protection railings 10, and after all the protection railings 10 are positioned, a safety guardrail on a communication base station emergency repair site is installed;

when the emergency repair is finished and the safety protective fence needs to be collected, the step of taking out the ground nails 24 is performed above the reverse operation, the storage work of the ground nails 24 of the plurality of protective railings 10 is completed, then the turning force in the anticlockwise direction is applied to the two positioning bolts 16 on the auxiliary strip 11, the two positioning bolts 16 are separated from the positioning holes 15, so that the positioning work of the turntable 7, the first rotating shaft 3 and the winding roller 4 is removed, the plurality of protective railings 10 are pushed to the end of the U-shaped protective cloth 8, the turning force can be applied to the auxiliary strip 11, the turntable 7 drives the first rotating shaft 3 and the winding roller 4 to rotate, the U-shaped protective cloth 8 is wound, and finally the protective railings 10 on the side are adsorbed on the magnet block 19 to collect the whole safety protective fence.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.