CN113062241B

CN113062241B - Early warning device is used in civil engineering construction with swing structure

Info

Publication number: CN113062241B
Application number: CN202110403692.4A
Authority: CN
Inventors: 李海涛; 周珂; 王翠华; 赵娜; 张冬梅; 王素敏; 王振
Original assignee: Shangqiu Institute of Technology
Current assignee: Shangqiu Institute of Technology
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2023-02-24
Anticipated expiration: 2041-04-15
Also published as: CN113062241A

Abstract

The invention discloses an early warning device with a swing structure for civil engineering construction, which comprises a mounting seat, wherein one side of the mounting seat is provided with a door opening and closing mechanism, two sides of the door opening and closing mechanism are provided with symmetrically distributed fixing seats, a fan-shaped fixing frame is fixedly connected in the fixing seats, the top of the fan-shaped fixing frame is fixedly connected with a guide seat, the inner wall of the fan-shaped fixing frame is connected with a warning piece in a sliding manner, one side of the fan-shaped fixing frame is provided with a fixing disc fixedly connected with the fixing seats, when a vehicle does not reach a platform in use, an eccentric connecting ring rotates to-be-fixed cross rods to deflect, and then a connecting rod and an L-shaped rotating rod are driven by a connecting pin to rotate, the L-shaped rotating rod rotates to drive a movable rod to move, wherein one end of the movable rod, which extends out of the guide seats, is fixedly connected with a warning board, the warning board is not shown in the figure, the movable rod rotates to drive the warning piece to swing by a pin shaft, and the warning piece swings simultaneously, so that the warning effect of a vehicle driver is improved.

Description

Early warning device is used in civil engineering construction with swing structure

Technical Field

The invention relates to the field of civil engineering, in particular to a prewarning device with a swing structure for civil engineering construction.

Background

Civil engineering is a general term for scientific technology for building various land engineering facilities. It refers to both the materials, equipment used and the technical activities carried out such as surveying, designing, construction, maintenance, repair, etc., as well as the objects of engineering construction. I.e. various engineering facilities such as houses, roads, railways, pipelines, tunnels, bridges, canals, dams, ports, power stations, airports, ocean platforms, water supply and drainage and protection projects, which are built on or under the ground, on land and directly or indirectly serve human life, production, military affairs and scientific research. The civil engineering refers to the engineering entity which is used for carrying out various technical works such as investigation, planning, design, construction, installation and maintenance and the like for newly building, reconstructing or expanding buildings, structures and related supporting facilities of various engineering besides the house building and the like and is completed by the engineering entity

However, the prior early warning device on the civil engineering construction site usually adopts a fixed early warning mode, has poor warning effect and low safety, is not striking enough, is not easy to observe by a vehicle driver in the driving process, and is easy to cause accidents.

Disclosure of Invention

The invention aims to provide a warning device with a swing structure for civil engineering construction, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the early warning device with the swing structure for civil engineering construction comprises a mounting seat, wherein one side of the mounting seat is provided with a door opening and closing mechanism, the two sides of the door opening and closing mechanism are provided with symmetrically distributed fixing seats, the fixing seats are fixedly connected with the mounting seat, a fan-shaped fixing frame is fixedly connected in the fixing seats, the top of the fan-shaped fixing frame is fixedly connected with a guide seat, the inner wall of the fan-shaped fixing frame is slidably connected with a warning piece, one side of the fan-shaped fixing frame is provided with a fixed disc fixedly connected with the fixing seats, an eccentric connecting ring is rotatably connected on the fixed disc, the eccentric connecting ring is fixedly connected with a cross rod close to one side of the fan-shaped fixing frame, the other end of the cross rod is rotatably connected with a connecting pin, the cross rod is hinged with an L-shaped rotating rod through the connecting pin, one side of the L-shaped rotating rod is hinged with a mounting block fixedly connected with the inner wall of the fixing seats, the top of the L-shaped rotating rod is fixedly connected with a connecting block, the two sides of the mounting seat are provided with symmetrically distributed connecting blocks, and the connecting block is connected with the connecting plate body of the movable connecting frame, the outer wall of the bottom of the movable rod is connected with a second fixed sleeve fixedly connected with the inner wall of the bottom of the mounting groove in a sliding manner, sliding grooves are formed in two sides of the connecting seat, connecting pieces are fixedly connected with two sides of the movable block through bolts and fixedly connected with the inner wall of the sliding grooves, a spring is fixedly connected with the bottom of the movable block, the other end of the spring is fixedly connected with the pedestal, a push plate is fixedly connected with the bottom of the connecting plate body, a rack is fixedly connected with the bottom of the push plate, an inserting groove is formed in the top of the pedestal and is matched with the push plate, a cavity is formed in the pedestal and is communicated with the inserting groove, a gear is arranged in the cavity and is meshed with the rack, a connecting shaft is fixedly sleeved on the inner wall of the gear and is rotatably connected with the pedestal, and a rotating shaft is rotatably connected with the inner wall of the fixed seat, the end of the rotating shaft and the connecting shaft extending into the fixed seat are fixedly connected with belt pulleys, a connecting belt is connected between the two groups of belt pulleys, a worm is fixedly connected onto the rotating shaft, a worm wheel is meshed at the bottom of the worm, a transmission shaft is fixedly sleeved on the inner wall of the worm wheel, a bearing seat fixedly connected with the fixed seat is rotatably connected to the outer wall of one end of the transmission shaft, the outer wall of the end of the transmission shaft, which is far away from the bearing seat, is rotatably connected with a bend transmission box, the top of the bend transmission box is fixedly connected with a vertical rod fixedly connected with the fixed seat, one side of the vertical rod is provided with a mounting plate fixedly connected with the fixed seat, the bottom of the bend transmission box is rotatably connected with a screw rod, the outer wall of the screw rod is in threaded connection with a cavity thread block, two sides of the cavity thread block are fixedly connected with supporting blocks, one side of the supporting block, which is far away from the cavity thread block, is fixedly connected with a movable sleeve, the utility model discloses a fan-shaped fixing frame, including a prop piece, the bottom of push rod is connected with the diaphragm, the equal fixedly connected with guide arm in bottom both sides of diaphragm, guide arm bottom fixedly connected with and fixing base fixed connection's base block, the one end fixedly connected with connecting block of diaphragm bottom is stretched out to the push rod, connecting block bottom fixedly connected with fly leaf, fly leaf bottom fixedly connected with grafting piece, the draw-in groove has been seted up at L shape bull stick top, and draw-in groove and grafting piece looks adaptation, the horizontal pole has articulated the connecting rod through the connecting pin, the bottom fixedly connected with round pin axle of connecting rod, and round pin axle and fan-shaped mount rotate to be connected, round pin axle and warning piece are fixed to be cup jointed, fan-shaped groove has been seted up in the fan-shaped mount, and fan-shaped groove and warning piece looks adaptation.

As a still further scheme of the invention: the utility model discloses a fixed door, including fixed door, fixed door and fixing base, one side of fixed door is equipped with the multiunit dodge gate, dodge gate inner wall fixedly connected with door frame, the fixed door and the equal fixedly connected with cylinder in one side dodge gate top that is close to the fixed door, the drive end fixedly connected with of cylinder promotes the piece, promote fixedly connected with connecting plate on the piece, connecting plate and dodge gate fixed connection, the bottom sliding connection of dodge gate has the guide rail, and guide rail and mount pad top fixed connection.

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

1. when the warning device is used, a platform is arranged at the top of the mounting groove, the platform is fixedly connected with the pressing plate, and is connected with the inner wall of the mounting groove in a sliding manner, when a vehicle does not reach the platform, a motor is arranged on the fixed disc and is used for driving the eccentric connecting ring to rotate eccentrically, the eccentric connecting ring rotates to-be-determined cross rod to deflect so as to drive the connecting rod and the L-shaped rotating rod to rotate through the connecting pin, the L-shaped rotating rod rotates to drive the movable rod to move, a warning board is fixedly connected to one end, extending out of the guide seat, of the movable rod, is not shown in the figure and drives the warning board to move, meanwhile, the connecting rod rotates and drives the warning piece to swing through the pin shaft, and the warning effect of a vehicle driver is improved by swinging the warning board and the warning piece simultaneously;

2. according to the invention, when a vehicle moves onto a platform, the weight of the vehicle enables the platform to partially descend, the platform moves to drive a pressing plate to move downwards to drive a movable rod to move downwards to drive a connecting frame to move downwards, the connecting frame moves downwards to push a connecting plate to move downwards, a spring contracts, the connecting plate moves downwards to drive a rack to move downwards and enter a pedestal, a gear rotates to drive a connecting shaft to rotate, the connecting shaft rotates a rotating shaft through a belt pulley and a connecting belt to rotate a worm, the worm rotates a worm gear to drive a transmission shaft to rotate, a meshed bevel gear combination is arranged in a redirection transmission box, the transmission shaft redirects and drives a screw to rotate through the bevel gear combination, the screw rotates to drive a cavity threaded block to move so as to drive a push rod to move, the connecting block pushes an inserting block to move downwards, the inserting block enters a clamping groove in an L-shaped rotating rod, and the warning board and a warning piece stop moving;

3. according to the invention, the air cylinder is controlled by personnel in the control room, so that the air cylinder driving end at the top of the movable door is contracted and drives the connecting plate to move, other movable doors are contracted through the guide of the guide rail, and then the air cylinder driving end at the top of the fixed door drives the movable door to be contracted, so that the door opening and closing mechanism is integrally opened, and a vehicle can conveniently pass through the mechanism.

Drawings

Fig. 1 is a schematic structural view of an early warning device for civil engineering construction with a swing structure.

Fig. 2 is a schematic diagram of a door opening and closing mechanism in the early warning device for civil engineering construction with a swing structure.

Fig. 3 is an enlarged view of a portion a of fig. 1 in the warning device for civil engineering construction with a swing structure.

Fig. 4 is a top view of a part of a fixing base in the warning device for civil engineering construction with a swing structure.

Fig. 5 is a schematic view of a connecting seat structure in the early warning device for civil engineering construction with a swing structure.

Fig. 6 is an enlarged view of a portion B of fig. 4 in the warning device for civil engineering construction with a swing structure.

Fig. 7 is an enlarged view of a point C in fig. 6 in the warning device for civil engineering construction with a swing structure.

Fig. 8 is a front view of a fan-shaped fixing frame in the warning device for civil engineering construction with a swing structure.

Fig. 9 is a schematic view showing the connection of an L-shaped rotating rod in the warning device for civil engineering construction with a swing structure.

Fig. 10 is a schematic view showing the connection of a worm wheel and a worm in the warning device for civil engineering construction with a swing structure.

In the figure: the device comprises a mounting seat 1, a door opening and closing mechanism 2, a fixed seat 3, a mounting groove 4, a guide rail 5, a connecting piece body 6, a pressing plate 7, a movable rod 8, a fixed frame 9, a fixed sleeve I10, a movable block 11, a connecting seat 12, a spring 13, a connecting piece 14, a push plate 15, a pedestal 16, a cavity 17, a connecting plate body 18, a fixed sleeve II 19, a connecting frame 20, a push block 21, a connecting plate 22, an air cylinder 23, a fixed door 24, a movable door 25, a door frame 26, a fan-shaped fixed frame 27, a connecting rod 28, a fixed pin 29, a fixed disc 30, a cross rod 31, a connecting belt 32, a worm wheel 33, a bearing seat 34, a worm 35, a transverse plate 36, a plugging block 37, a base block 38, a guide rod 39, a connecting block 40, a mounting plate 41, a push rod 42, a transmission shaft 43, a vertical rod 44, a rotating shaft 45, a belt pulley 46, a redirection transmission box 47, a screw 48, a cavity thread block 49, a movable sleeve 50, a support block 51, a rack 52, a gear 53, a connecting pin 54, a warning piece 55, an eccentric 56, a connecting ring body 57, a connecting ring 58, a guide seat 59, a L-shaped rotating rod 61, a mounting groove 62 and a mounting groove 62.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1 to 10, in an embodiment of the present invention, an early warning device for civil engineering construction with a swing structure includes a mounting base 1, a door opening and closing mechanism 2 is disposed on one side of the mounting base 1, symmetrically disposed fixing bases 3 are disposed on both sides of the door opening and closing mechanism 2, the fixing bases 3 are fixedly connected to the mounting base 1, a fan-shaped fixing frame 27 is fixedly connected to the inside of the fixing base 3, a guide base 59 is fixedly connected to the top of the fan-shaped fixing frame 27, a warning member 55 is slidably connected to the inner wall of the fan-shaped fixing frame 27, a fixing plate 30 fixedly connected to the fixing base 3 is disposed on one side of the fan-shaped fixing frame 27, an eccentric connecting ring 56 is rotatably connected to the fixing plate 30, a cross bar 31 is fixedly connected to one side of the eccentric connecting ring 56 close to the fan-shaped fixing frame 27, a connecting pin 54 is rotatably connected to the other end of the cross bar 31, an L-shaped rotating bar 61 is rotatably connected to one side of the L-shaped rotating bar 61, a mounting block 62 fixedly connected to the inner wall of the fixing base 3 is rotatably connected to the top of the L-shaped rotating bar 61, a connecting sleeve 60 is fixedly connected to the connecting block 57, a connecting block 7 is fixedly connected to the connecting plate, a connecting block 12 is connected to the fixing frame 12, and a connecting block 12 is symmetrically disposed on the top of the fixing frame 12, and a connecting block 12 is disposed on the top of the fixing frame 12, the two sides of the connecting frame 20 are fixedly connected with movable rods 8, the top of each movable rod 8 is fixedly connected with a pressing plate 7, the outer wall of the bottom of each movable rod 8 is slidably connected with a second fixed sleeve 19 fixedly connected with the inner wall of the bottom of the mounting groove 4, the door opening and closing mechanism 2 comprises a fixed door 24, the fixed door 24 is fixedly connected with a fixed seat 3, one side of the fixed door 24 is provided with a plurality of groups of movable doors 25, the inner wall of each movable door 25 is fixedly connected with a door frame 26, the fixed door 24 and the top of one side of the movable door 25 close to the fixed door 24 are fixedly connected with a cylinder 23, the driving end of the cylinder 23 is fixedly connected with a pushing block 21, the pushing block 21 is fixedly connected with a connecting plate 22, the connecting plate 22 is fixedly connected with the movable door 25, the bottom of each movable door 25 is slidably connected with a guide rail 5, the guide rail 5 is fixedly connected with the top of the mounting seat 1, the two sides of the connecting seat 12 are respectively provided with a sliding groove, the two sides of the movable block 11 are fixedly connected with a connecting piece 14 through bolts, the connecting piece 14 is fixedly connected with the sliding groove, the connecting plate 14 is fixedly connected with the sliding groove, the connecting plate 16 is connected with a rotating shaft 17, the bottom of the connecting plate is connected with a belt pulley 16, the rotating shaft 17, the connecting shaft is connected with a rotating shaft 17, the connecting shaft 17, the connecting shaft is connected with a rotating shaft 17, the connecting shaft 17, the connecting shaft is connected with a connecting shaft 17, the bottom of the worm 35 is engaged with a worm wheel 33, the inner wall of the worm wheel 33 is fixedly sleeved with a transmission shaft 43, the outer wall of one end of the transmission shaft 43 is rotatably connected with a bearing seat 34 fixedly connected with the fixed seat 3, the outer wall of one end of the transmission shaft 43 far away from the bearing seat 34 is rotatably connected with a redirection transmission box 47, the top of the redirection transmission box 47 is fixedly connected with a vertical rod 44 fixedly connected with the fixed seat 3, one side of the vertical rod 44 is provided with a mounting plate 41 fixedly connected with the fixed seat 3, the bottom of the redirection transmission box 47 is rotatably connected with a screw 48, the outer wall of the screw 48 is in threaded connection with a cavity thread block 49, two sides of the cavity thread block 49 are both fixedly connected with a support block 51, one side of the support block 51 far away from the cavity thread block 49 is fixedly connected with a movable sleeve 50, and the bottom of the support block 51 is fixedly connected with a push rod 42, the bottom outer wall sliding connection of push rod 42 has diaphragm 36, the equal fixedly connected with guide arm 39 in bottom both sides of diaphragm 36, the base block 38 of fixedly connected with and fixing base 3 bottom fixedly connected with in guide arm 39 bottom, the one end fixedly connected with connecting block 40 of push rod 42 bottom stretching out diaphragm 36, the fixedly connected with fly leaf in connecting block 40 bottom, fly leaf bottom fixedly connected with plug block 37, the draw-in groove has been seted up at L shape bull stick 61 top, and draw-in groove and plug block 37 looks adaptation, horizontal pole 31 articulates through connecting pin 54 has connecting rod 28, the bottom fixedly connected with round pin axle of connecting rod 28, and round pin axle and fan-shaped mount 27 rotate to be connected, round pin axle and warning piece 55 fixed cup joint, fan-shaped groove 63 has been seted up in the fan-shaped mount 27, and fan-shaped groove 63 and warning piece 55 looks adaptation.

The working principle of the invention is as follows:

when the warning device is used, a platform is arranged at the top of the mounting groove 4 and is fixedly connected with the pressure plate 7, meanwhile, the platform is in sliding connection with the inner wall of the mounting groove 4, when a vehicle does not reach the platform, a motor is arranged on the fixed disk 30 and is used for driving the eccentric connecting ring 56 to eccentrically rotate, the eccentric connecting ring 56 rotates to-be-determined cross rod 31 to deflect, so that the connecting rod 28 and the L-shaped rotating rod 61 are driven to rotate through the connecting pin 54, the L-shaped rotating rod 61 rotates to drive the movable rod body 57 to move, a warning board is fixedly connected to one end, extending out of the guide seat 59, of the movable rod body 57, is not shown in the drawing, the movable rod body 57 drives the warning board to move, meanwhile, the connecting rod 28 rotates and drives the warning piece 55 to swing through a pin shaft, and the warning board and the warning piece 55 swing at the same time, so that the warning effect of a vehicle driver is improved;

when the vehicle moves onto the platform, the weight of the vehicle enables the platform to partially descend, the platform moves to drive the press plate 7 to move downwards to drive the movable rod 8 to move so that the connecting frame 20 moves downwards, the connecting frame 20 moves downwards to push the connecting plate body 18 to move downwards, the spring 13 contracts, meanwhile, the connecting plate body 18 moves downwards to drive the rack 52 to move downwards and enter the pedestal 16, the gear 53 rotates so that the connecting shaft rotates, the connecting shaft rotates the rotating shaft 45 through the belt pulley 46 and the connecting belt 32 so that the worm 35 rotates, the worm 35 rotates the worm wheel 33 so that the transmission shaft 43 rotates, a meshed bevel gear combination is arranged in the redirection transmission box 47, the transmission shaft 43 redirects through the bevel gear combination and drives the screw 48 to rotate, the screw 48 rotates to drive the cavity block 49 to move so that the push rod 42 moves, the connecting block 40 pushes the insertion block 37 to move downwards, so that the insertion block 37 enters the warning clamping groove in the L-shaped rotating rod 61, and the warning board and the warning piece 55 stop moving;

and after the operation, the air cylinder 23 is controlled by personnel in the control room, so that the driving end of the air cylinder 23 at the top of the movable door 25 is contracted and drives the connecting plate 22 to move, so that other movable doors 25 are contracted through the guiding of the guide rail 5, and then the driving end of the air cylinder 23 at the top of the fixed door 24 drives the movable door 25 to be contracted, so that the door opening and closing mechanism 2 is integrally opened, and the vehicle can pass through conveniently.

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 various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an early warning device for civil engineering construction with swing structure, includes mount pad (1), its characterized in that: one side of mount pad (1) is equipped with switch door mechanism (2), the both sides of switch door mechanism (2) are equipped with symmetric distribution's fixing base (3), and fixing base (3) and mount pad (1) fixed connection, fan-shaped mount (27) of fixedly connected with in fixing base (3), fan-shaped mount (27) top fixedly connected with guide holder (59), fan-shaped mount (27) inner wall sliding connection has warning piece (55), one side of fan-shaped mount (27) is equipped with fixed disk (30) with fixing base (3) fixed connection, it is connected with eccentric go-between (56) to rotate on fixed disk (30), one side fixedly connected with horizontal pole (31) that eccentric go-between (56) is close to fan-shaped mount (27), the other end of horizontal pole (31) rotates and is connected with connecting pin (54), horizontal pole (31) articulate through connecting pin (54) has L shape bull stick (61), one side of L shape bull stick (61) articulates has installation piece (62) with fixing base (3) inner wall fixed connection, L shape bull stick (61) top articulates there is articulated have adapter sleeve (60), the movable rod (57) goes up the movable rod (57) and is connected with guide holder (59) outer wall sliding connection has the guide holder (57), the guide holder (59) outer wall sliding connection piece (59) of guide holder (57), the one end sliding connection has the guide holder (57), the one end of L shape bull stick (61), the movable rod (61), the one side of L shape bull stick (61) is connected with the installation piece (61), the installation piece (61) is connected with the installation piece (59) that the installation piece (57) that the installation piece (59) that the installation piece (31) is connected with the installation piece (60), the movable rod (60) is connected with the movable rod (57) that the movable rod (57) is connected with the cavity (58) The mounting structure comprises a mounting seat (1), wherein the mounting seat is provided with a mounting groove (4), two sides of the mounting groove (4) are provided with symmetrically distributed pedestals (16), the top of each pedestal (16) is fixedly connected with symmetrically distributed connecting seats (12), the connecting seats (12) are in a shape like a Chinese character 'ji', the inner walls of the connecting seats (12) are slidably connected with movable blocks (11) in two groups, connecting plate bodies (18) are fixedly connected between the movable blocks (11), fixing frames (9) are fixedly connected with symmetrically distributed at the tops of the connecting plate bodies (18), fixing frame bodies (6) are fixedly connected at the tops of the fixing frames (9), the fixing frames (9) are connected with connecting frames (20) through connecting piece bodies (6), two sides of the connecting frames (20) are fixedly connected with movable rods (8), the top of the movable rods (8) is fixedly connected with pressing plates (7), the outer walls of the bottoms of the movable rods (8) are slidably connected with fixing sleeve two (19) fixedly connected with the inner walls of the bottom of the mounting groove (4), sliding sleeves are arranged on two sides of the connecting seats (12), sliding grooves are formed in two sides of the movable blocks (11) through bolt fixedly connected with connecting pieces (14), the connecting pieces (14) and the movable blocks (13) are fixedly connected with the inner walls of the movable blocks (13), the other end of the spring (13) is fixedly connected with the pedestal (16), the bottom of the connecting plate body (18) is fixedly connected with a push plate (15), the bottom of the push plate (15) is fixedly connected with a rack (52), the top of the pedestal (16) is provided with an insertion groove, the insertion groove is matched with the push plate (15), a cavity (17) is formed in the pedestal (16), the cavity (17) is communicated with the insertion groove, a gear (53) is arranged in the cavity (17) and is meshed with the rack (52), a connecting shaft is fixedly connected with the inner wall of the gear (53) and is rotatably connected with the pedestal (16), the inner wall of the pedestal (3) is rotatably connected with a rotating shaft (45), the rotating shaft (45) and one end, extending into the pedestal (3), of the rotating shaft (45) and the connecting shaft extend into the pedestal (3) are fixedly connected with belt pulleys (46), a connecting belt (32) is connected between the two groups of belt pulleys (46), a worm (35) is fixedly connected with the rotating shaft (45), the bottom of the worm (35) is meshed with a worm wheel (33), the worm wheel (33) is fixedly connected with the inner wall of the worm wheel (33), a transmission shaft (43) is fixedly connected with the rotating shaft (43), one end of the transmission shaft (43) is fixedly connected with the outer wall of the bearing seat (34) and is fixedly connected with the outer wall of the bearing seat (34), and is far away from the bearing seat (34), the utility model discloses a fixing device for the connection of a connecting rod, including change transmission case (47), fixing base (3), mounting plate (41) fixed connection with fixing base (3), be equipped with the mounting panel (41) of being connected with fixed connection in one side of montant (44), the bottom of changing transmission case (47) is rotated and is connected with screw rod (48), screw rod (48) outer wall threaded connection has cavity screw thread piece (49), the equal fixedly connected with in both sides of cavity screw thread piece (49) props up piece (51), one side fixedly connected with movable sleeve (50) of keeping away from cavity screw thread piece (49) props up piece (51) bottom fixedly connected with push rod (42), the bottom outer wall sliding connection of push rod (42) has diaphragm (36), the equal fixedly connected with guide arm (39) in bottom both sides of diaphragm (36), base block (38) fixed connection of guide arm (39) bottom fixedly connected with fixing base (3), one end fixedly connected with connecting block (40) that push rod (42) stretches out diaphragm (36) bottom, connecting block (40) bottom fixedly connected with cross bar (40), the fixedly connected with bottom of connecting block (37), the connection block (37) is connected with movable plate (37), L shape is seted up and is changeed to the pole (61) through the top adaptation round pin block (54, clamping groove (31), the pin joint of connecting rod (31) is through the movable plate (37), the bottom fixedly connected with round pin axle of connecting rod (28), and round pin axle and fan-shaped mount (27) rotate to be connected, round pin axle and warning piece (55) fixed cup joint, fan-shaped groove (63) have been seted up in fan-shaped mount (27), and fan-shaped groove (63) and warning piece (55) looks adaptation.

2. The warning device for civil engineering construction with oscillating structure of claim 1, wherein: switch door mechanism (2) is including fixed door (24), fixed door (24) and fixing base (3) fixed connection, one side of fixed door (24) is equipped with multiunit dodge gate (25), dodge gate (25) inner wall fixedly connected with door frame (26), fixed door (24) and the equal fixedly connected with cylinder (23) in one side dodge gate (25) top that is close to fixed door (24), the drive end fixedly connected with of cylinder (23) promotes piece (21), promote fixedly connected with connecting plate (22) on piece (21), connecting plate (22) and dodge gate (25) fixed connection, the bottom sliding connection of dodge gate (25) has guide rail (5), and guide rail (5) and mount pad (1) top fixed connection.