CN213458736U - Safety prompting device - Google Patents

Abstract

The utility model provides a safety prompting device belongs to urban construction technical field. The safety prompting device comprises: the cavity is provided with an opening, the transmission mechanism can drive the moving device to extend out or retract into the cavity through the opening, and the moving device extending out of the cavity can be driven to drive the base and the notice board arranged on the stand to move to a preset position. This application can effectively improve safety prompt device's convenience of use, can effectively reduce staff's work burden simultaneously.

Description

Safety prompting device

Technical Field

The utility model relates to a city construction technical field particularly, relates to a safety suggestion device.

Background

The urban construction is based on planning, the urban living environment is transformed through construction engineering, and the notice board is generally used for prompting surrounding people or workers during urban construction, so that the safety of urban construction is improved.

In the prior art, in order to improve the prompting effect of the prompting board, the prompting board is arranged on the safety prompting device, but when the safety prompting device is used, the safety prompting device is generally carried by multiple workers or carrying equipment so as to carry the safety prompting device to a safety prompting position, so that the safety prompting device is very inconvenient to use, and the workload of the workers is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safe suggestion device can improve safe suggestion device's convenience of use, can effectively reduce staff's work burden simultaneously.

The embodiment of the utility model is realized like this:

an embodiment of the utility model provides a safety prompt device, include: the cavity is provided with an opening, the transmission mechanism can drive the moving device to extend out or retract into the cavity through the opening, and the moving device extending out of the cavity can be driven to drive the base and the notice board arranged on the stand to move to a preset position.

Optionally, the moving device includes a supporting plate slidably connected to the cavity and a rolling assembly disposed on the supporting plate, and the supporting plate slides up and down in the cavity to drive the rolling assembly to retract into or extend out of the cavity through the opening.

Optionally, a guide groove is formed in the side wall of the cavity, the extending direction of the guide groove is parallel to the opening direction of the cavity, a guide convex portion corresponding to the guide groove is formed in the support plate, and the support plate can move up and down in the cavity through the cooperation of the guide convex portion and the guide groove.

Optionally, the safety prompting device further comprises a driving part arranged on the base, the driving part is connected with a power input end of the transmission mechanism, and the driving part drives the supporting plate to slide up and down relative to the side wall of the cavity through the driving transmission mechanism.

Optionally, drive mechanism includes the driving shaft and sets up driving gear, driven gear and the driven shaft in the cavity, and the driving shaft passes the base and gets into the cavity to with driving gear fixed connection, driving gear and driven gear meshing, the one end and driven gear fixed connection, the other end and the backup pad threaded connection of driven shaft, and the one end of driven shaft still rotates to be connected and sets up the top at the cavity.

Optionally, the safety prompting device further comprises a limiting assembly arranged on the base, the limiting assembly comprises a limiting barrel and a limiting disc arranged in the limiting barrel, the limiting disc is fixedly connected with the driving shaft, the limiting assembly further comprises a clamping piece, and the clamping piece penetrates through the limiting barrel to be connected with the limiting disc.

Optionally, the driving member is a handle, and the handle is fixedly connected with the driving shaft.

Optionally, a rotary driving machine, a rotating shaft fixedly connected with the driving end of the rotary driving machine, and a pulling rope are further fixedly arranged on the base, one end of the pulling rope is wound on the rotating shaft, and the other end of the pulling rope penetrates through the top of the upright column along the extending direction of the upright column and is connected with the notice board.

Optionally, a plurality of guide rings are fixedly arranged on the side wall of the upright column, and the traction rope sequentially penetrates through the guide rings to be connected with the notice board.

Optionally, a slide rail and a slide block corresponding to the slide rail are arranged on the opposite side walls of the upright column provided with the plurality of guide rings, the extending direction of the slide rail is parallel to the extending direction of the upright column, the slide block is fixedly connected with the traction rope, and the notice board is fixedly arranged on the slide block.

The utility model discloses beneficial effect includes:

the embodiment of the utility model provides a pair of safety prompt device includes: the cavity is provided with an opening, the transmission mechanism can drive the moving device to extend out or retract into the cavity through the opening, and the moving device extending out of the cavity can be driven to drive the base and the notice board arranged on the stand to move to a preset position. The safety prompting device can drive the moving device to extend out of or retract into the cavity through the transmission mechanism, when the safety prompting device needs to be moved, firstly, the transmission mechanism is driven to drive the moving device to extend out of the cavity through the opening of the cavity, and the moving device is abutted against the ground, so that the base is supported, a gap is formed between the base and the ground, the moving device is driven to move to a preset position along the driven direction, then, when the moving device drives the base to reach the preset position, the transmission mechanism is driven to drive the moving device to retract into the cavity through the opening of the cavity, and the base is abutted against the ground, therefore, when the safety prompting device needs to be moved, the base and the prompting board arranged on the upright can be easily and conveniently moved to the preset position only through the moving device, when the safety prompting device reaches the preset position, in order to ensure the stability of the safety prompting device, the mobile device needs to be retracted, namely, the mobile device is retracted into the cavity, so that the safety prompting device in the embodiment can effectively improve the use convenience and effectively reduce the workload of workers.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of a base structure of a safety prompt device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a safety prompt device according to an embodiment of the present invention;

fig. 3 is a schematic view of a column structure of the safety prompt device provided by the embodiment of the present invention.

Icon: 100-a safety prompting device; 101-mounting plate; 111-a cavity; 112-a guide slot; 113-a first via; 121-driving shaft; 122-a drive gear; 123-driven gear; 124-a driven shaft; 125-a drive member; 131-a limiting cylinder; 132-a limiting disc; 133-a clip; 141-a support plate; 1411-a guide projection; 142-a rolling component; 1421-roller; 150-a rotary drive; 152-a rotating shaft; 153-a pull cord; 160-column; 161-a guide ring; 162-a notice board; 163-a slide rail; 164-a slider; 165-connecting ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Fig. 1 is the base structure schematic diagram of the safety prompt device provided by the embodiment of the present invention, fig. 2 is the structure schematic diagram of the safety prompt device provided by the embodiment of the present invention, please refer to fig. 1 and fig. 2 in combination, the embodiment of the present invention provides a safety prompt device 100, including: the base that has cavity 111, and the drive mechanism who sets up on the base, stand 160 and the notice board 162 of setting on stand 160, be provided with the mobile device in cavity 111, drive mechanism's power input end is fixed on the base, power take off end passes the base and gets into cavity 111 and be connected with the mobile device, cavity 111 has the opening, drive mechanism can drive the mobile device and stretch out or retract cavity 111 through the opening, the mobile device who stretches out cavity 111 can be driven and drive base and the notice board 162 of setting on stand 160 and move to preset position.

In the embodiment of the present invention, the structure and the size of the cavity 111 in the base with the cavity 111 are not limited, as long as the cavity 111 can accommodate the moving device and the transmission mechanism. For example, the base is a cube, the cavity 111 is also a cube, and the opening of the cavity 111 is towards the bottom of the base. For another example, the base is composed of two parallel vertical plates and a horizontal plate connected to the two vertical plates, wherein the horizontal plate is a top of the base, the two vertical plates are two opposite side walls of the base, a space formed by the two vertical plates and the horizontal plate is a cavity 111, and one side away from the horizontal plate is an opening of the cavity 111.

The upright post 160 and the notice board 162 disposed on the upright post 160 are located at the top of the base, specifically, one end of the upright post 160 is fixedly disposed at the top of the base, and the other end is provided with the notice board 162, wherein the position of the notice board 162 can be adjusted or fixed.

The end of the transmission mechanism fixed with the base is a power input end, the power input end can be in the cavity 111 or outside the cavity 111, for example, the power input end is outside the cavity 111, the power input end is fixed at the top of the base, the power output end drives the top of the base to enter the cavity 111 and is in transmission connection with the moving device, for example, the transmission mechanism is in rotary driving, when clockwise driving force is transmitted to the moving device through the power input end, the moving device extends out of the cavity 111 through the opening, correspondingly, when counterclockwise driving force is transmitted to the moving device through the power input end, the moving device retracts into the cavity 111 through the opening.

In addition, after the moving device extends out of the cavity 111 through the opening, the transmission device continues to be driven until the moving device supports the base, so that a gap is formed between the base and the ground (or other positions to be placed), that is, the base is suspended away from the ground, at this time, the base, the upright post 160 and the notice board 162 arranged on the base are completely supported by the supporting device, the base and the notice board 162 can be driven to move only by driving the moving device, and the driving force for driving the moving device is not limited, for example, the driving force is the pushing force or the pulling force of a worker, or the driving force is the driving force of a driving machine. Of course, when the mobile device moves to the preset position, the safety prompting device 100 is required to play a role of safety prompting, and at this time, the mobile device needs to be retracted into the cavity 111, so that the base is abutted against the ground (or other positions to be placed), and the placing stability of the safety prompting device 100 is improved.

The preset position is a position where the safety prompting device 100 can be placed, and in the position, the safety prompting effect of the safety prompting device 100 is better.

To sum up, the embodiment of the utility model provides a pair of safety prompt device 100 is including the base that has cavity 111, and the drive mechanism of setting on the base, stand 160 and the notice board 162 of setting on stand 160, be provided with the mobile device in cavity 111, drive mechanism's power input end is fixed on the base, power output end passes the base and gets into cavity 111 and be connected with the mobile device, cavity 111 has the opening, drive mechanism can drive the mobile device and stretch out or retract cavity 111 through the opening, the mobile device who stretches out cavity 111 can be driven and drive the base and set up the notice board 162 on stand 160 and move to preset the position. The safety prompting device 100 can drive the moving device to extend out of or retract into the cavity 111 through the transmission mechanism, when the safety prompting device 100 needs to be moved, firstly, the transmission mechanism is driven to drive the moving device to extend out of the cavity 111 through the opening of the cavity 111, and the moving device is abutted against the ground, so that the base is supported, a gap is formed between the base and the ground, then, the moving device is driven to drive the base and the notice board 162 arranged on the upright post 160 to move to a preset position along the driven direction, when the moving device drives the base to reach the preset position, the transmission mechanism is driven to drive the moving device to retract into the cavity 111 through the opening of the cavity 111, and the base is abutted against the ground, therefore, when the safety prompting device 100 needs to be moved, the base and the notice board 162 arranged on the upright post 160 can be easily and conveniently moved to the preset position only through the moving device, when the safety prompting device 100 reaches the preset position, in order to ensure the stability of the safety prompting device 100, the mobile device needs to be retracted, that is, the mobile device is retracted into the cavity 111, so that the safety prompting device 100 in this embodiment can effectively improve the convenience of use and can also effectively reduce the workload of the worker.

Referring to fig. 1, optionally, the moving device includes a supporting plate 141 slidably connected to the cavity 111 and a rolling assembly 142 disposed on the supporting plate 141, wherein the supporting plate 141 slides up and down in the cavity 111 to drive the rolling assembly to retract or extend out of the cavity 111 through the opening.

For example, the power output end of the transmission mechanism is in threaded connection with the support plate 141 in the moving device, when the power output end of the transmission mechanism rotates clockwise, the support plate 141 moves axially upward along the cavity 111, so that the rolling assembly 142 retracts into the cavity 111, and correspondingly, when the power output end of the transmission mechanism rotates counterclockwise, the support plate 141 moves axially downward along the cavity 111, so that the rolling assembly 142 extends out of the cavity 111 and abuts against the bottom surface or the position to be placed. Of course, the power output end and the support plate 141 are connected by screw threads in this embodiment, and in other embodiments, other structural connections are also possible, and are not limited herein.

The rolling component 142 is not limited, for example, the rolling component 142 is a plurality of rollers 1421.

Referring to fig. 1, optionally, a guide groove 112 is disposed on a side wall of the cavity 111, an extending direction of the guide groove 112 is parallel to an opening direction of the cavity 111, and a guide protrusion 1411 corresponding to the guide groove 112 is disposed on the support plate 141, so that the support plate 141 can move up and down in the cavity 111 by the cooperation of the guide protrusion 1411 and the guide groove 112.

The number of the guide grooves 112 may be one or more, for example, two guide grooves 112 are provided, two guide grooves 112 are respectively provided on opposite sides of the cavity 111, and guide protrusions 1411 corresponding to the guide grooves 112 are respectively provided on opposite sides of the support plate 141, so that when the guide protrusions 1411 are coupled to the guide grooves 112, the guide protrusions 1411 can only move up and down in the guide grooves 112 and cannot rotate with respect to the guide grooves 112, that is, the guide grooves 112 can guide the up and down movement of the guide protrusions 1411 and can also limit the left and right positions of the guide protrusions 1411.

Referring to fig. 1, optionally, the safety prompting device 100 further includes a driving member 125 disposed on the base, the driving member 125 is connected to a power input end of the transmission mechanism, and the driving member 125 drives the supporting plate 141 to slide up and down relative to the sidewall of the cavity by driving the transmission mechanism.

The driving member 125 can be a manual driving member 125 or an automatic driving member 125, for example, optionally, the driving member 125 is a handle, the handle is connected to the power input end, the power input end is driven to rotate by rotating the handle, so as to drive the power output end to rotate, the power output end drives the supporting plate 141 to rotate, and the rotation direction of the handle can be adjusted according to whether the rolling assembly 142 extends out of or retracts into the cavity 111.

Referring to fig. 1, optionally, the transmission mechanism includes a driving shaft 121, and a driving gear 122, a driven gear 123 and a driven shaft 124 disposed in the cavity 111, the driving shaft 121 passes through the base and enters the cavity 111, and is fixedly connected to the driving gear 122, the driving gear 122 is engaged with the driven gear 123, one end of the driven shaft 124 is fixedly connected to the driven gear 123, the other end of the driven shaft is in threaded connection with the supporting plate 141, and one end of the driven shaft 124 is further rotatably connected to the top of the cavity 111.

Specifically, a first through hole 113 is formed at the top of the base, and the diameter of the first through hole 113 is greater than that of the driving shaft 121, so that the driving shaft 121 can rotate relatively in the first through hole 113, and one end of the driving shaft 121 is connected to the handle, and the other end thereof is fixedly connected to the driving gear 122. One end of driven shaft 124 is rotated and is set up at the top of cavity 111, that is to say, the one end of driven shaft 124 can rotate for the top of accuse rifle, and driven shaft 124 is connected the setting with the top, in addition, driven shaft 124 is parallel with driving shaft 121, the position that sets up of driving gear 122 and driven gear 123 corresponds, so that driving gear 122 and driven gear 123 mesh, be provided with the external screw thread on the other end of driven shaft 124, be provided with the second through-hole on backup pad 141, be provided with the internal thread that corresponds with the external screw thread on the pore wall of second through-hole, through internal thread and external screw thread cooperation, so that the other end and backup pad 141 threaded connection of driven.

When the driving member 125 (e.g., a handle) is rotated, the driving member 125 drives the driving shaft 121 to rotate, the driving shaft 121 drives the driving gear 122 to rotate, because the driving gear 122 is engaged with the driven gear 123, the driving gear 122 rotates to drive the driven gear 123 to rotate, because the driven gear 123 is fixedly connected with the driven shaft 124, the driven gear 123 drives the driven shaft 124 to rotate, and because the guiding protrusion 1411 is matched with the guiding groove 112, when the driven shaft 124 rotates, the external thread on the driven shaft 124 is screwed in or out relative to the internal thread on the supporting plate 141, so as to drive the supporting plate 141 to move upwards or downwards, that is, the rolling assembly 142 extends out of or retracts into the cavity 111.

The above-mentioned gear transmission and screw connection are matched to achieve the purpose of moving the supporting plate 141 up and down in the cavity 111, which is only one structural form in the present embodiment, and in other embodiments, other implementable structures may also be implemented, and are not limited herein.

Referring to fig. 1, optionally, the safety prompting device 100 further includes a limiting component disposed on the base, the limiting component includes a limiting cylinder 131 and a limiting disc 132 disposed in the limiting cylinder 131, the limiting disc 132 is fixedly connected to the driving shaft 121, the limiting component further includes a clamping member 133, and the clamping member 133 passes through the limiting cylinder 131 and is connected to the limiting disc 132.

The limiting cylinder 131 is fixedly arranged at the top of the base, the limiting cylinder 131 is coaxially arranged with the first through hole 113, a limiting disc 132 is coaxially arranged in the limiting cylinder 131, one end of the driving shaft 121 is fixedly connected with the driving part 125 (for example, a handle) through the limiting disc 132, the driving shaft 121 is also fixedly connected with the limiting disc 132, the other end of the driving shaft 121 penetrates through the first through hole 113 to enter the cavity, the driving shaft 121 enters the cavity 111 and is fixedly connected with the driving gear 122, the clamping part 133 penetrates through the limiting cylinder 131 to be connected with the limiting disc 132, namely, the limiting cylinder 131 and the limiting disc 132 are limited to rotate relatively, and therefore the rotation of the driving shaft 121 is limited. Thus, when the driving shaft 121 needs to be driven, the clamping member 133 is taken down from the limiting disc 132, the rotating handle can correspond to the position of the adjusting support plate 141 relative to the cavity 111, and when the adjusting support plate 141 enables the rolling assembly 142 to be in the preset position, the clamping member 133 only needs to be connected with the limiting disc 132, so that the driving shaft 121 is locked, that is, the position of the support plate 141 is fixed at the preset position.

Referring to fig. 2, optionally, a rotary driver 150, a rotary shaft 152 fixedly connected to the driving end of the rotary driver 150, and a pulling rope 153 are further fixedly disposed on the base, one end of the pulling rope 153 is wound around the rotary shaft 152, and the other end of the pulling rope 153 penetrates through the upright 160 along the extending direction of the upright 160 and is connected to the notice board 162.

Specifically, the mounting plate 101 is disposed on the base, the rotary driver 150 is fixedly disposed on the mounting plate 101, and the rotary shaft 152 is driven to rotate by the rotary driver 150, so that the pulling rope 153 wound on the rotary shaft 152 is screwed out of the pulling rope 153 or screwed into the pulling rope 153 along with the rotation of the rotary shaft 152, where the screwing-out of the pulling rope 153 means that the pulling rope 153 wound on the rotary shaft 152 leaves the rotary shaft 152 when the rotary shaft 152 rotates, and conversely, the pulling rope 153 leaving the rotary shaft 152 continues to be wound around the rotary shaft 152 as the rotary shaft 152 rotates to be screwed into the pulling rope 153. When the pulling rope 153 is screwed out of the rotating shaft 152, the other end of the pulling rope 153 drives the notice board 162 to move downwards, otherwise, when the pulling rope 153 is screwed into the rotating shaft 152, the other end of the pulling rope 153 drives the notice board 162 to move upwards, and therefore, the relative position of the notice board 162 on the stand column 160 can be adjusted by adjusting the screwing-out and screwing-in states of the pulling rope 153 on the rotating shaft 152.

In order to further protect the service life of the pulling rope 153, optionally, a plurality of guide rings 161 are fixedly disposed on the sidewall of the pillar 160, and the pulling rope 153 sequentially passes through the plurality of guide rings 161 to be connected with the notice board 162. The pull rope 153 slides in the guide ring 161, which not only effectively reduces the friction between the pull rope 153 and the upright 160, but also improves the power utilization of the rotary driver 150.

In order to enable the notice board 162 to move along the extending direction of the upright 160, optionally, referring to fig. 3, a sliding rail 163 and a sliding block 164 corresponding to the sliding rail 163 are disposed on the opposite side walls of the upright 160 where the plurality of guide rings 161 are disposed, the extending direction of the sliding rail 163 is parallel to the extending direction of the upright 160, the sliding block 164 is fixedly connected with the traction rope 153, and the notice board 162 is fixedly disposed on the sliding block 164. The pull rope 153 pulls the sliding block 164 to move up and down along the sliding rail 163, so that the notice board 162 is adjusted up and down, the sliding rail 163 has the up-and-down guiding function and the left-and-right limiting function on the sliding block 164, and therefore the notice board 162 can accurately slide up and down along the extending direction of the upright post 160.

Specifically, a connection ring 165 is provided on the slider 164, and the other end of the pulling rope 153 is fixedly connected within the connection ring 165.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A security prompt apparatus, comprising: have the base of cavity and set up and be in drive mechanism, stand and setting on the base are in notice board on the stand be provided with the mobile device in the cavity, drive mechanism's power input end is fixed on the base, power take off end passes the base gets into the cavity and with the mobile device is connected, the cavity has the opening, drive mechanism can drive the mobile device passes through the opening stretches out or the withdrawal the cavity stretches out the cavity is stretched out the cavity the mobile device can be driven and is driven base and setting are in notice board on the stand moves to preset the position.

2. The safety prompter of claim 1, wherein the moving means comprises a support plate slidably coupled to the cavity and a rolling assembly disposed on the support plate, the support plate sliding up and down within the cavity to cause the rolling assembly to retract or extend out of the cavity through the opening.

3. The safety notice device of claim 2, wherein a guide groove is formed on a side wall of the cavity, the guide groove extends in a direction parallel to the opening direction of the cavity, and a guide protrusion corresponding to the guide groove is formed on the support plate, so that the support plate can move up and down in the cavity by the cooperation of the guide protrusion and the guide groove.

4. The safety prompter of claim 3, further comprising an actuating member disposed on the base, the actuating member being connected to a power input of the transmission mechanism, the actuating member driving the transmission mechanism to slide the support plate up and down relative to the side wall of the cavity.

5. The safety prompting device according to claim 4, wherein the transmission mechanism comprises a driving shaft, and a driving gear, a driven gear and a driven shaft which are arranged in the cavity, the driving shaft penetrates through the base to enter the cavity and is fixedly connected with the driving gear, the driving gear is meshed with the driven gear, one end of the driven shaft is fixedly connected with the driven gear, the other end of the driven shaft is in threaded connection with the supporting plate, and one end of the driven shaft is further rotatably connected with the top of the cavity.

6. The safety prompting device according to claim 5, further comprising a limiting component arranged on the base, wherein the limiting component comprises a limiting barrel and a limiting disc arranged in the limiting barrel, the limiting disc is fixedly connected with the driving shaft, and the limiting component further comprises a clamping member which penetrates through the limiting barrel and is connected with the limiting disc.

7. The safety warning device of claim 6, wherein said driving member is a handle, said handle being fixedly connected to said drive shaft.

8. The safety prompting device according to claim 1, wherein a rotary driving machine, a rotary shaft fixedly connected with the driving end of the rotary driving machine and a pulling rope are fixedly arranged on the base, one end of the pulling rope is wound on the rotary shaft, and the other end of the pulling rope penetrates through the top of the upright column along the extending direction of the upright column and is connected with the prompting board.

9. The safety warning device according to claim 8, wherein a plurality of guide rings are fixedly arranged on the side wall of the upright column, and the pulling rope sequentially passes through the plurality of guide rings to be connected with the notice board.

10. The safety prompting device of claim 9, wherein a slide rail and a slide block corresponding to the slide rail are arranged on the opposite side walls of the upright post provided with a plurality of guide rings, the extending direction of the slide rail is parallel to the extending direction of the upright post, the slide block is fixedly connected with the traction rope, and the prompting board is fixedly arranged on the slide block.

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