阅读说明：本技术 一种城市道路下水道疏通时的警示装置 (Warning device used during dredging of urban road sewer ) 是由 陆冰洁 于 2020-12-31 设计创作，主要内容包括：本发明涉及城市道路下水道疏通时的警示装置领域,具体的说是一种城市道路下水道疏通时的警示装置,包括主体机构、支撑机构、警示机构、驱动机构和滑动机构；驱动机构在支撑机构的内部转动时,带动主体机构转动,进而便于主体机构带动施工警示牌来回摆动,进而在警示牌转动时提高了警示效果,从而便于警示装置对行人和车辆进行提醒,同时也提高了装置的使用效果；主体机构转动,便于对警示机构进行挤压,进而使警示机构发出声音,从而有利于防止行人误掉入下水道内部的情况,同时也大大提高了装置的使用效率；使用工具转动滑动机构时,使支撑机构处于升起的状态,进而便于滑动机构带动支撑机构位移,从而有利于操作人员对支撑机构进行移动和固定。(The invention relates to the field of warning devices for dredging urban road sewers, in particular to a warning device for dredging urban road sewers, which comprises a main body mechanism, a supporting mechanism, a warning mechanism, a driving mechanism and a sliding mechanism, wherein the main body mechanism is provided with a support mechanism; when the driving mechanism rotates inside the supporting mechanism, the main body mechanism is driven to rotate, so that the main body mechanism can drive the construction warning board to swing back and forth, and the warning effect is improved when the warning board rotates, so that the warning device can remind pedestrians and vehicles, and the using effect of the device is improved; the main body mechanism rotates, so that the warning mechanism can be conveniently extruded, and then the warning mechanism can make a sound, thereby being beneficial to preventing the condition that a pedestrian mistakenly falls into the sewer, and simultaneously greatly improving the use efficiency of the device; when the tool is used for rotating the sliding mechanism, the supporting mechanism is in a rising state, and then the sliding mechanism is convenient to drive the supporting mechanism to move, so that an operator can move and fix the supporting mechanism conveniently.)

1. The utility model provides a warning device when urban road sewer is dredged which characterized in that: comprises a main body mechanism (1), a supporting mechanism (2), a warning mechanism (3), a driving mechanism (4) and a sliding mechanism (5); the main body mechanism (1) for fixing the warning board for dredging sewer is arranged in the supporting mechanism (2) for fixing, and the end part of the main body mechanism (1) rotates in the supporting mechanism (2), the inside of the supporting mechanism (2) is provided with the warning mechanism (3) for reminding passers-by to pay attention to the safety of the road, the warning mechanism (3) is connected with the supporting mechanism (2) in a sliding way, the end part of the main body mechanism (1) is fixedly connected with the driving mechanism (4) for driving the main body mechanism (1) to rotate, and the driving mechanism (4) rotates in the supporting mechanism (2), the inside of the supporting mechanism (2) rotates with the sliding mechanism (5) for driving the supporting mechanism (2) to displace, and the sliding mechanism (5) is connected with the inner wall of the supporting mechanism (2) in a sliding way.

2. The warning device for dredging the sewer of the urban road according to claim 1, wherein: main body mechanism (1) is including reflection of light subsides (11), sign (12), fixed plate (13), dead lever (14) and rocker (15), a plurality of reflection of light subsides (11) divide into two sets of symmetry fixed mounting in the lateral wall of fixed plate (13), sign (12) fixed connection in the lateral wall of fixed plate (13), the one end of dead lever (14) run through and fixed connection in the inner wall of fixed plate (13) bottom, just the other end fixed connection of dead lever (14) in the inner wall of rocker (15) one end.

3. The warning device for dredging the sewer of the urban road according to claim 2, wherein: supporting mechanism (2) include spout (21), curb plate (22), box (23), bracing piece (24) and slide bar (25), the inside on box (23) top is equipped with spout (21), just the other end of rocker (15) rotate in box (23) inside is equipped with spout (21) position, curb plate (22) block connect in the inner wall of box (23), a plurality of two liang of a set of symmetry fixed mounting in bracing piece (24) the bottom of box (23), a plurality of two liang of a set of symmetry fixed connection in box (23) are close to the inner wall of bracing piece (24).

4. The warning device for dredging city road sewer according to claim 3, wherein: the warning mechanism (3) comprises a horn (31), an exhaust pipe (32), an air bag (33), a resisting block (34), a resisting rod (35), a resisting plate (36), a pressure spring (37) and a convex block (38), wherein the convex block (38) is connected to the inner wall, close to the rocker (15), of the box body (23) in a sliding mode, the convex block (38) is fixedly connected to the end portion of the resisting rod (35), the pressure spring (37) is sleeved on the side wall of the resisting rod (35), two ends of the pressure spring (37) are respectively and fixedly connected to the side walls of the box body (23) and the convex block (38), the resisting rod (35) is connected to the inner wall, close to the pressure spring (37), of the box body (23) in a sliding mode, the resisting plate (36) is fixedly installed on the side wall, away from the resisting plate (36), of the resisting block (34) is fixedly installed on the side wall, away from the resisting rod (35) at equal intervals, support block (34) contradict in the lateral wall of gasbag (33), gasbag (33) fixed mounting in the inner wall of box (23), blast pipe (32) fixed connection in the inner wall and both ends of box (23) communicate respectively in gasbag (33) with the inside of loudspeaker (31), two loudspeaker (31) symmetry fixed mounting in the top of box (23).

5. The warning device for dredging city road sewer according to claim 4, wherein: the driving mechanism (4) comprises a motor (41), a first screw rod (42), a rack (43), a gear (44) and a rotating shaft (45), one end of the first screw rod (42) penetrates through the inner wall of the box body (23) and extends to the motor (41), the motor (41) is fixedly installed on the side wall of the box body (23), the other end of the first screw rod (42) penetrates through the inner wall of the rack (43) and is rotatably connected to the inner wall of the box body (23), the rack (43) is in threaded connection with the side wall of the first screw rod (42) and is slidably connected to the inside of the box body (23), the rack (43) is meshed with the gear (44), the gear (44) rotates on the inner wall of the box body (23) and is fixedly connected to the side wall of the rotating shaft (45), the rotating shaft (45) is rotatably connected to the inner wall of the box body (23) and is fixedly connected to the rocker (15) close to the inner wall of one end of the box .

6. The warning device for dredging city road sewer according to claim 3, wherein: the sliding mechanism (5) comprises a long rod (51), a connecting rod (52), a universal wheel (53), a supporting plate (54), a loop bar (55), a second screw rod (56), a first bevel gear (57) and a second bevel gear (58), one end of the long rod (51) penetrates through and is rotatably connected to the inner wall of the box body (23), the other end of the long rod (51) is fixedly connected to the inner wall of the second bevel gear (58), the second bevel gear (58) is meshed with the first bevel gear (57), the first bevel gear (57) rotates inside the box body (23) and is fixedly connected with one end of the second screw rod (56), the other end of the second screw rod (56) penetrates through the inner wall of the box body (23) and is in threaded connection with the inner wall of the loop bar (55), the loop bar (55) slides inside the box body (23) and is fixedly installed on the inner wall of the supporting plate (54), the supporting plate (54) slides in the box body (23), two ends of the supporting plate are connected to the side wall of the sliding rod (25) in a sliding mode, the connecting rods (52) are symmetrically and fixedly mounted at the bottom end of the supporting plate (54) in a pairwise group mode, the end portions of the connecting rods (52) are fixedly connected with the universal wheels (53), and the universal wheels (53) slide in the box body (23).

Technical Field

The invention relates to the field of warning devices for dredging urban road sewers, in particular to a warning device for dredging urban road sewers.

Background

Urban roads are roads which reach all areas of a city, are used by traffic transportation and pedestrians in the city, are convenient for the life, work and cultural entertainment activities of residents, and are connected with the roads outside the city to bear external traffic. Urban roads are generally wider than highways, and are divided into motor lanes, bus priority lanes, non-motor lanes and the like in order to adapt to complex vehicles. The two sides of the road are provided with sidewalks and house buildings which are higher than the road surface, and public pipelines are buried under the sidewalks. The highway is provided with road shoulders outside the roadways, and the roadways are planted on two sides of the roadways and are drained by side ditches.

However, the conventional warning device for dredging the sewer is generally directly placed at the side of the road when in use, and when in use at night or in a remote place, pedestrians or vehicles may not be able to see the warning device in time, so that the pedestrians fall into the sewer or the vehicles collide with the warning board; in addition, the warning effect that the warning sign was directly put and is played on the road side is relatively poor, and the device still needs operating personnel to remove it after the use, and the step is more loaded down with trivial details and is unfavorable for improving warning device's availability factor.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a warning device for dredging urban road sewer.

The technical scheme adopted by the invention for solving the technical problems is as follows: a warning device for dredging urban road sewer comprises a main body mechanism, a supporting mechanism, a warning mechanism, a driving mechanism and a sliding mechanism; a main part mechanism installs in being used for fixedly for fixed sewer mediation warning sign the inside of supporting mechanism, just the tip of main part mechanism rotate in the inside of supporting mechanism, the internally mounted of supporting mechanism has and is used for reminding passerby to pay attention to road safety warning mechanism, just warning mechanism with sliding connection between the supporting mechanism, the tip of main part mechanism with be used for the drive main part mechanism pivoted actuating mechanism fixed connection, just actuating mechanism rotate in the inside of supporting mechanism, the inside of supporting mechanism rotates and is used for the drive the supporting mechanism displacement sliding mechanism, just sliding mechanism sliding connection in the inner wall of supporting mechanism.

Specifically, the main body mechanism includes reflection of light subsides, sign, fixed plate, dead lever and rocker, a plurality of reflection of light subsides divide into two sets of symmetry fixed mounting in the lateral wall of fixed plate, sign fixed connection in the lateral wall of fixed plate, the one end of dead lever run through and fixed connection in the inner wall of fixed plate bottom, just the other end fixed connection of dead lever in the inner wall of rocker one end.

Specifically, the supporting mechanism includes spout, curb plate, box, bracing piece and slide bar, the inside on box top is equipped with the spout, just the other end of rocker rotate in the inside spout position that is equipped with of box, the curb plate block connect in the inner wall of box, a plurality of two liang of a set of symmetry fixed mounting of bracing piece in the bottom of box, a plurality of two liang of a set of symmetry fixed connection of slide bar in the box is close to the inner wall of bracing piece.

Specifically, the warning mechanism comprises a horn, an exhaust pipe, an air bag, a supporting block, a supporting rod, a supporting plate, a pressure spring and a convex block, wherein the convex block is slidably connected to the inner wall of the box body close to the rocker, the convex block is fixedly connected to the end part of the supporting rod, the pressure spring is sleeved on the side wall of the supporting rod, two ends of the pressure spring are respectively and fixedly connected to the box body and the side wall of the convex block, the supporting rod is slidably connected to the inner wall of the box body, the supporting plate is fixedly installed on the side wall of the box body close to the inner wall of the pressure spring in a supporting mode, the supporting blocks are fixedly installed on the side wall of the supporting rod far away from the supporting plate in an equidistant mode, the supporting blocks are abutted to the side wall of the air bag, the air bag is fixedly installed on the inner wall of the box body, the exhaust pipe is fixedly connected to the inner, the two loudspeakers are symmetrically and fixedly arranged at the top end of the box body.

Specifically, actuating mechanism includes motor, first screw rod, rack, gear and pivot, the one end of first screw rod runs through the inner wall of box and extends to the motor, motor fixed mounting in the lateral wall of box, the other end of first screw rod runs through the inner wall of rack and rotate connect in the inner wall of box, rack threaded connection in the lateral wall and the sliding connection of first screw rod in the inside of box, the rack mesh in the gear, the gear rotate in the inner wall and the fixed connection of box in the lateral wall of pivot, the pivot rotate connect in the inner wall and the fixed connection of box in the rocker is close to the inner wall of box one end.

Specifically, the sliding mechanism comprises a long rod, a connecting rod, a universal wheel, a supporting plate, a loop bar, a second screw rod, a first bevel gear and a second bevel gear, one end of the long rod penetrates through and is rotatably connected to the inner wall of the box body, the other end of the long rod is fixedly connected to the inner wall of the second bevel gear, the second bevel gear is meshed with the first bevel gear, the first bevel gear rotates in the box body and is fixedly connected with one end of the second screw rod, the other end of the second screw rod penetrates through the inner wall of the box body and is in threaded connection with the inner wall of the loop bar, the loop bar slides in the box body and is fixedly installed on the inner wall of the supporting plate, the supporting plate slides in the box body, two ends of the supporting plate are in sliding connection with the side wall of the sliding rod, and a plurality of connecting rods are fixedly installed at the, and the end part of the connecting rod is fixedly connected with the universal wheel, and the universal wheel slides in the box body.

The invention has the beneficial effects that:

(1) the invention relates to a warning device for dredging urban road sewer, wherein a main mechanism for fixing a warning board for dredging sewer is arranged in a fixed supporting mechanism, the end part of the main mechanism rotates in the supporting mechanism, a warning mechanism for reminding passers-by to pay attention to road safety is arranged in the supporting mechanism, the warning mechanism is in sliding connection with the supporting mechanism, the end part of the main mechanism is fixedly connected with a driving mechanism for driving the main mechanism to rotate, and the driving mechanism rotates in the supporting mechanism; actuating mechanism drives the main part mechanism and rotates when supporting mechanism inside rotates, and then be convenient for the main part mechanism to drive the warning sign of being under construction and rotate, and then make warning device's warning effect improve, thereby be favorable to reminding pedestrian and vehicle, the result of use of device has also been improved simultaneously, the main part mechanism rotates and is convenient for extrude warning mechanism, and then make warning mechanism sound, thereby be favorable to preventing that pedestrian's mistake from falling into the inside condition of sewer, the availability factor of device has been improved greatly, promptly: when an external power supply of the motor is turned on, the rack slides along the side wall of the first screw rod, so that the rocker rotates in the box body when the gear drives the rotating shaft to rotate, the rocker drives the fixed plate to rotate, and the pedestrian and the vehicle can be reminded conveniently when the fixed plate drives the label and the reflective sticker to rotate, thereby being beneficial to improving the using effect of the device; the rocker extrudes the lug when rotating, and then extrudes the pressure spring when making to the pole and slide, and then support the board and slide and drive when making the pressure spring compression and support the piece and extrude the gasbag lateral wall, and then make the gasbag pass through blast pipe discharge loudspeaker by inside gas when extrudeing, and then make loudspeaker sound under the gas extrusion condition to be convenient for improve warning device's warning effect, also be favorable to improving the practicality of device to a certain extent.

(2) According to the warning device for dredging the urban road sewer, the sliding mechanism for driving the supporting mechanism to move is rotated in the supporting mechanism and is connected to the inner wall of the supporting mechanism in a sliding manner; and then when using tool to rotate slide mechanism, make supporting mechanism be in the state of rising, and then the slide mechanism of being convenient for drives the supporting mechanism displacement to be favorable to operating personnel to remove and fix supporting mechanism, promptly: the stock is rotated to the use tool, the stock drives the second taper tooth and rotates, and then make first taper tooth drive the second screw rod and rotate, and then make the loop bar drive the backup pad and slide in the box is inside, and then make backup pad four corners department slide along the slide bar lateral wall, and then make the connecting rod drive inside the universal wheel roll-off box, and then make the universal wheel contact with ground when sliding, and then make the bracing piece that is fixed in the box bottom be in the state that rises, thereby the operating personnel of being convenient for removes and fixes the box, the while has also prevented that the box from receiving the condition that foreign object collision universal wheel drove the box and removed in the work progress, the availability factor of device has also been improved to a certain.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of the overall structure of a preferred embodiment of the warning device for dredging the sewer of an urban road provided by the invention;

FIG. 2 is a schematic view of a connection structure between the main body and the warning mechanism shown in FIG. 1;

FIG. 3 is a schematic view of a connection structure between the support mechanism and the driving mechanism shown in FIG. 1;

FIG. 4 is an enlarged view of portion A of FIG. 2;

FIG. 5 is an enlarged view of the portion B shown in FIG. 2;

fig. 6 is an enlarged schematic view of the portion C shown in fig. 3.

In the figure: 1. the device comprises a main body mechanism, 11, a light reflecting sticker, 12, a label, 13, a fixing plate, 14, a fixing rod, 15, a rocker, 2, a supporting mechanism, 21, a sliding groove, 22, a side plate, 23, a box body, 24, a supporting rod, 25, a sliding rod, 3, a warning mechanism, 31, a loudspeaker, 32, an exhaust pipe, 33, an air bag, 34, a butting block, 35, a butting rod, 36, a butting plate, 37, a pressure spring, 38, a bump, 4, a driving mechanism, 41, a motor, 42, a first screw rod, 43, a rack, 44, a gear, 45, a rotating shaft, 5, a sliding mechanism, 51, a long rod, 52, a connecting rod, 53, a universal wheel, 54, a supporting plate, 55, a loop bar, 56, a second screw rod, 57, a first conical tooth, 58 and a.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-6, the warning device for dredging urban road sewer of the invention comprises a main body mechanism 1, a supporting mechanism 2, a warning mechanism 3, a driving mechanism 4 and a sliding mechanism 5; a main part mechanism 1 installs in being used for fixedly for the sewer mediation warning sign 2's inside, just main part mechanism 1's tip rotate in supporting mechanism 2's inside, supporting mechanism 2's internally mounted has and is used for reminding passerby to pay attention to road safety warning mechanism 3, just warning mechanism 3 with sliding connection between the supporting mechanism 2, main part mechanism 1's tip with be used for the drive main part mechanism 1 pivoted actuating mechanism 4 fixed connection, just actuating mechanism 4 rotates in supporting mechanism 2's inside, supporting mechanism 2's inside is rotated and is used for the drive supporting mechanism 2 displacement slide mechanism 5, just slide mechanism 5 sliding connection in supporting mechanism 2's inner wall.

Specifically, the main body mechanism 1 comprises a light reflecting sticker 11, a label 12, a fixing plate 13, a fixing rod 14 and a rocker 15, wherein the light reflecting sticker 11 is divided into two groups which are symmetrically and fixedly installed on the side wall of the fixing plate 13, the label 12 is fixedly connected to the side wall of the fixing plate 13, one end of the fixing rod 14 penetrates through and is fixedly connected to the inner wall of the bottom end of the fixing plate 13, and the other end of the fixing rod 14 is fixedly connected to the inner wall of one end of the rocker 15.

Specifically, the supporting mechanism 2 comprises a sliding groove 21, a side plate 22, a box body 23, a supporting rod 24 and a sliding rod 25, the sliding groove 21 is arranged in the top end of the box body 23, the other end of the rocker 15 rotates at the position of the sliding groove 21 in the box body 23, the side plate 22 is clamped and connected to the inner wall of the box body 23, the supporting rod 24 is fixedly installed at the bottom end of the box body 23 in a pairwise mode, and the sliding rod 25 is fixedly connected to the box body 23 close to the inner wall of the supporting rod 24 in a pairwise mode.

Specifically, the warning mechanism 3 includes a speaker 31, an exhaust pipe 32, an airbag 33, a supporting block 34, a supporting rod 35, a supporting plate 36, a pressure spring 37 and a projection 38, the projection 38 is slidably connected to the inner wall of the box 23 near the rocker 15, the projection 38 is fixedly connected to the end of the supporting rod 35, the pressure spring 37 is sleeved on the side wall of the supporting rod 35, two ends of the pressure spring 37 are respectively and fixedly connected to the side walls of the box 23 and the projection 38, the supporting rod 35 is slidably connected to the inner wall of the box 23, the supporting plate 36 is fixedly mounted on the side wall, the supporting plate 36 abuts against the inner wall of the box 23 near the pressure spring 37, the supporting blocks 34 are fixedly mounted on the side wall, away from the supporting plate 36, of the supporting rod 35, the supporting blocks 34 are fixedly mounted on the side wall of the airbag 33, the airbag 33 is fixedly mounted on the inner wall of the box 23, the exhaust pipe 32 is fixedly connected to the inner wall of the box 23 and two ends of the inner wall are respectively communicated with the air bag 33 and the inside of the horn 31, and the horn 31 is symmetrically and fixedly installed at the top end of the box 23.

Specifically, the driving mechanism 4 includes a motor 41, a first screw 42, a rack 43, a gear 44 and a rotating shaft 45, one end of the first screw 42 penetrates through the inner wall of the box 23 and extends to the motor 41, the motor 41 is fixedly mounted on the side wall of the box 23, the other end of the first screw 42 penetrates through the inner wall of the rack 43 and is rotatably connected to the inner wall of the box 23, the rack 43 is in threaded connection with the side wall of the first screw 42 and is slidably connected to the inside of the box 23, the rack 43 is meshed with the gear 44, the gear 44 rotates on the inner wall of the box 23 and is fixedly connected to the side wall of the rotating shaft 45, the rotating shaft 45 is rotatably connected to the inner wall of the box 23 and is fixedly connected to the inner wall of the rocker 15 near one end of the box 23, and the driving mechanism 4 drives the main body mechanism 1 to rotate when the supporting mechanism 2 rotates, and then be convenient for main part mechanism 1 drives the warning sign of construction and rotates, and then make warning device's warning effect improve to be favorable to reminding pedestrian and vehicle, also improved the result of use of device simultaneously, main part mechanism 1 rotates and is convenient for extrude warning mechanism 3, and then makes warning mechanism 3 sound, thereby be favorable to preventing that pedestrian's mistake from falling into the inside condition of sewer, improved the availability factor of device greatly, promptly: when the external power supply of the motor 41 is turned on, the rack 43 slides along the side wall of the first screw 42, so that the rocker 15 rotates in the box body 23 when the gear 44 drives the rotating shaft 45 to rotate, the rocker 15 drives the fixed plate 13 to rotate, and the fixed plate 13 drives the sign 12 and the reflective sticker 11 to rotate, thereby being convenient for reminding pedestrians and vehicles, and being beneficial to improving the using effect of the device; rocker 15 extrudes lug 38 when rotating, and then extrudes pressure spring 37 when making to support pole 35 and slide, and then support 36 slip drive when making pressure spring 37 compress and support piece 35 and extrude gasbag 33 lateral wall, and then make gasbag 33 receive inside gas when extruding through blast pipe 32 discharge loudspeaker 31, and then make loudspeaker 31 sound under the gas extrusion condition to be convenient for improve warning device's warning effect, also be favorable to improving the practicality of device to a certain extent.

Specifically, the sliding mechanism 5 includes a long rod 51, a connecting rod 52, a universal wheel 53, a supporting plate 54, a loop bar 55, a second screw rod 56, a first bevel gear 57 and a second bevel gear 58, one end of the long rod 51 penetrates through and is rotatably connected to the inner wall of the box 23, the other end of the long rod 51 is fixedly connected to the inner wall of the second bevel gear 58, the second bevel gear 58 is engaged with the first bevel gear 57, the first bevel gear 57 rotates inside the box 23 and is fixedly connected with one end of the second screw rod 56, the other end of the second screw rod 56 penetrates through the inner wall of the box 23 and is threadedly connected to the inner wall of the loop bar 55, the loop bar 55 slides inside the box 23 and is fixedly mounted on the inner wall of the supporting plate 54, the supporting plate 54 slides inside the box 23 and has two ends slidably connected to the side wall of the sliding rod 25, a plurality of two double-phase a set of symmetry fixed mounting of connecting rod 52 in the bottom of backup pad 54, just the tip fixedly connected with of connecting rod 52 universal wheel 53, universal wheel 53 slide in the inside of box 23, and then when using the instrument to rotate slide mechanism 5, make supporting mechanism 2 be in the state of rising, and then the slide mechanism 5 of being convenient for drives supporting mechanism 2 displacement to be favorable to operating personnel to remove and fix supporting mechanism 2, promptly: the utility model discloses a use the instrument to rotate stock 51, stock 51 drives second taper tooth 58 and rotates, and then make first taper tooth 57 drive second screw rod 56 and rotate, and then make loop bar 55 drive backup pad 54 and slide in box 23 is inside, and then make backup pad 54 four corners department slide along slide bar 25 lateral wall, and then make connecting rod 52 drive inside universal wheel 53 roll-off box 23, and then make universal wheel 53 contact with ground when sliding, and then make the bracing piece 24 that is fixed in the box 23 bottom be in the state of rising, thereby be convenient for operating personnel remove and fix box 23, the condition that box 23 drove box 23 and remove by thing collision universal wheel 53 has also been prevented simultaneously in the work progress, the availability factor of device has also been improved to a certain extent.

When the warning device is used, firstly, before an operator uses the warning device, the operator uses a tool to rotate the long rod 51, one end of the long rod 51 penetrates through and is rotatably connected with the inner wall of the box body 23, the other end of the long rod is fixedly connected with the inner wall of the second bevel gear 58, the second bevel gear 58 is meshed with the first bevel gear 57, the first bevel gear 57 rotates on the inner wall of the box body 23 and is fixedly connected with the side wall of the second screw rod 56, the second screw rod 56 penetrates through and rotates on the inner wall of the box body 23, the second screw rod 56 is in threaded connection with the inner wall of the loop bar 55, the loop bar 55 slides in the box body 23 and is fixedly arranged on the inner wall of the supporting plate 54, the supporting plate 54 slides in the box body 23, the four corners of the supporting plate 54 are in sliding connection with the side wall of the sliding rod 25 fixed in the box body 23, a plurality of, when an operator rotates the long rod 51 by using a tool, the long rod 51 rotates to drive the second bevel gear 58 to rotate, so that the first bevel gear 57 drives the second screw rod 56 to rotate, the loop bar 55 drives the supporting plate 54 to slide in the box body 23 along the side wall of the second screw rod 56, the connecting rod 52 drives the universal wheel 53 to slide out of the box body 23, and the supporting rod 24 at the bottom end of the box body 23 is in a lifting state, so that the operator can conveniently move the warning device to a place where sewer dredging needs to be carried out, meanwhile, the box body 23 can be fixed when the operator works, and the using effect of the warning device is improved to a certain extent; after the device moves to a specific place, an operator fixes the device again, and then an external power supply of the motor 41 is turned on, the motor 41 is connected with one end of the first screw rod 42 penetrating through the inner wall of the box body 23 and is installed on the side wall of the box body 23, the other end of the first screw rod 42 penetrates through the inner wall of the rack 43, the rack 43 is in threaded connection with the side wall of the first screw rod 42 and is in sliding connection with the inner wall of the box body 23, the rack 43 is meshed with the gear 44, the gear 44 rotates in the box body 23 and is fixedly connected with one end of the rotating shaft 45, the other end of the rotating shaft 45 is fixedly connected with the inner wall of the rocker 15, when the motor 41 starts to rotate, the first screw rod 42 rotates to enable the rack 43 to slide, and further the gear 44 rotates to drive the rotating shaft; the other end of the rocker 15 is provided with a fixed rod 14, the fixed rod 14 is fixedly connected to the inner wall of the fixed plate 13, the label 12 is arranged on the side wall of the fixed plate 13, the plurality of light reflecting stickers 11 are symmetrically fixed on the side wall of the fixed plate 13, and the rocker 15 drives the fixed plate 13 to rotate when rotating, so that the label 12 and the light reflecting stickers 11 rotate along with the fixed plate 13, the warning effect of the warning label is enhanced, and meanwhile, pedestrians are prevented from carelessly falling into a sewer when walking or riding; the rocker 15 is abutted against the bump 38 when rotating at the sliding groove 21 part arranged in the box 23, the side wall of the bump 38 is fixedly provided with the abutting rod 35, the abutting rod 35 is connected with the inner wall of the box 23 in a sliding manner and the side wall is sleeved with the pressure spring 37, two ends of the pressure spring 37 are respectively fixedly connected with the side walls of the box 23 and the bump 38, the side wall of the other end of the abutting rod 35 is provided with the abutting plate 36, the abutting plate 36 is abutted against the side wall of the box 23 close to the pressure spring 37, the end part of the abutting rod 35 departing from the abutting plate 36 is fixedly provided with a plurality of abutting blocks 34 at equal intervals, the abutting blocks 34 are abutted against the side wall of the air bag 33 arranged in the box 23, the exhaust pipe 32 is fixedly connected with the inner wall of the box 23, two ends of the exhaust pipe are respectively communicated with the interiors of the horn 31 and the air bag 33, the horn 31 is fixedly arranged at the top end of the box 23, the side wall, and then make the gas in the gasbag 33 discharge to loudspeaker 31 through blast pipe 32, and then make loudspeaker 31 sound under the high pressure condition to be convenient for warn pedestrian and vehicle, also be favorable to improving warning device's result of use simultaneously.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.