CN109637348B - Portable building construction safety early warning device and working method - Google Patents
Portable building construction safety early warning device and working method Download PDFInfo
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- CN109637348B CN109637348B CN201910065313.8A CN201910065313A CN109637348B CN 109637348 B CN109637348 B CN 109637348B CN 201910065313 A CN201910065313 A CN 201910065313A CN 109637348 B CN109637348 B CN 109637348B
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- 238000009435 building construction Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims description 7
- 238000010276 construction Methods 0.000 claims description 13
- 230000005484 gravity Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/18—Means for attaching signs, plates, panels, or boards to a supporting structure
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/18—Means for attaching signs, plates, panels, or boards to a supporting structure
- G09F2007/1856—Means for attaching signs, plates, panels, or boards to a supporting structure characterised by the supporting structure
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/18—Means for attaching signs, plates, panels, or boards to a supporting structure
- G09F2007/1873—Means for attaching signs, plates, panels, or boards to a supporting structure characterised by the type of sign
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Abstract
The invention discloses a portable building construction safety early warning device in the technical field of building construction, which comprises a stand column, wherein the outer wall of the top of the stand column is provided with a rotating groove, the top end of the inner cavity of the rotating groove is inserted with a rotating rod, the bottom end of the outer wall of the rotating rod is sleeved with a torsional spring, one end of the torsional spring is connected with the outer wall of the rotating rod, the other end of the torsional spring is connected with the inner wall of the rotating groove, the top end of the outer wall of the rotating rod is sleeved with a warning board, the top end of the inner cavity of the rotating rod is inserted with an adjusting rod, the adjusting rod comprises a threaded rod, the warning board is folded into a three-component plate in the device, the volume of the device is reduced, the rotating rod drives the adjusting rod to rotate, the threaded rod is connected and loosened with the bottom of the inner cavity of the rotating groove, the adjusting rod, the device is convenient to carry or store.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a portable building construction safety early warning device and a working method.
Background
In building construction, a warning board needs to be placed in front of a building place to prompt people to pay attention to safety during front construction, however, the existing warning board is large in size, so that the warning board is inconvenient to carry or store, and when the warning board turns over, workers cannot timely observe the warning board to influence the using effect of the warning board, and the people cannot conveniently know construction information.
Disclosure of Invention
The invention aims to provide a portable building construction safety early warning device and a working method thereof, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a portable building construction safety early warning device comprises a stand column, wherein a rotating groove is formed in the outer wall of the top of the stand column, a rotating rod is inserted at the top end of an inner cavity of the rotating groove, a torsion spring is sleeved at the bottom end of the outer wall of the rotating rod, one end of the torsion spring is connected with the outer wall of the rotating rod, the other end of the torsion spring is connected with the inner wall of the rotating groove, a warning board is sleeved at the top end of the outer wall of the rotating rod, a regulating rod is inserted at the top end of the inner cavity of the rotating rod in a penetrating manner and comprises a threaded rod, the bottom end of the threaded rod is in threaded connection with the bottom of the inner cavity of the rotating groove, a moving rod is arranged at the top end of the threaded rod, the top end of the moving rod extends to the outer wall of the top of the rotating rod and, the fluting has been seted up to the rotation groove right side inner wall, and stand left side top outer wall is provided with the handle, and stand left and right sides bottom outer wall all is provided with the pivot, and the stand is kept away from in the pivot one end is connected with the backup pad.
Preferably, the mounting groove has been seted up to stand bottom outer wall, mounting groove top inner wall and spring coupling, and the spring bottom is provided with the installation piece, and installation piece bottom outer wall is provided with two sets of universal wheels, and the length from the top down of the perpendicular section of installation piece reduces gradually, and one side outer wall that the backup pad is close to the stand is provided with the push rod, and the one end that the push rod is close to the stand extends to the inner chamber of mounting groove and laminates mutually with the outer wall of installation piece.
Preferably, stand inner chamber central authorities have seted up the spout, and the spout erects the cross-section and is isosceles trapezoid, and spout inner chamber bottom is provided with the spin, and the spout inner chamber is provided with down the conducting strip, and spout top inner wall is provided with the conducting strip, goes up the conducting strip and is located conducting strip down directly over, and stand rear side outer wall is provided with the siren, goes up conducting strip and siren electric connection, lower conducting strip and external power source electric connection.
Preferably, the storage tank has been seted up to backup pad top outer wall, and the opening has been seted up to storage tank bottom inner wall, and the opening inner chamber is provided with the baffle, and storage tank inner chamber bottom is provided with two sets of guide blocks, and two sets of guide blocks are located the opening top left and right sides.
Preferably, the baffle is kept away from one side outer wall of stand and is seted up the spacing groove, and one side bottom outer wall that the stand was kept away from to the backup pad is provided with the gag lever post, and the one end that the gag lever post is close to the stand extends to the inner chamber of spacing groove, and the shifting chute has been seted up at the position of being connected of backup pad and gag lever post, and reset spring has been cup jointed to the gag lever post outer wall, and reset spring one end and the outer wall connection of gag lever post, the reset spring other.
Preferably, the warning board comprises three groups of component plates, a movable shaft is arranged between every two adjacent groups of component plates, and the sum of the length of the vertical section of the left component plate and the length of the vertical section of the right component plate is smaller than the length of the vertical section of the central component plate.
Preferably, the working method of the portable building construction safety early warning device comprises the following steps:
s1: firstly, checking whether each part of the device is normal, then rotating the warning board to enable the rotating rod to drive the adjusting rod to rotate, enabling the threaded rod to be connected with and loosened from the bottom of the inner cavity of the rotating groove, enabling the moving rod to drive the threaded rod to ascend through expansion of the adjusting spring, enabling the adjusting rod to move out of the inner cavity of the fixed rod, enabling the connecting rod to be connected with and loosened from the fixed rod, then folding the rotating rod, folding the warning board to the right side wall of the upright post, and reducing the size of the device;
s2: the limiting rod is moved out of the limiting groove, the baffle is connected with the opening and loosened, the weighted objects stored in the storage groove are discharged, and then the supporting plate is folded to the left side and the right side of the upright post, so that the size of the device is further reduced, and the device is convenient for workers to carry;
s3: when the supporting plate is folded to the side wall of the upright post, the push rod is moved out of the mounting groove, so that the push rod is not attached to the mounting block, the mounting block drives the universal wheel to move downwards through the expansion of the spring, the universal wheel is contacted with the ground, and the device is convenient to move;
s4: when the device is using, if the device turns on one's side subaerial, because of the perpendicular cross-section of spout is isosceles trapezoid, therefore the spin receives gravity to roll conducting strip department down to the conducting strip under the extrusion makes conducting strip and last conducting strip contact down, makes siren circular telegram work send out the police dispatch newspaper, and suggestion staff's device takes place to turn on one's side, makes things convenient for the staff in time to put the device straight, guarantees that the pedestrian can in time know construction information, increases the security of construction.
Compared with the prior art, the invention has the beneficial effects that:
1. the warning board is folded into a three-component plate in the device, the size of the device is reduced, the warning board is rotated, the rotating rod drives the adjusting rod to rotate, the threaded rod is connected with the bottom of the inner cavity of the rotating groove and is released, the adjusting rod is moved out of the inner cavity of the fixing rod through expansion of the adjusting spring, and the connecting rod and the fixing rod are connected and released, so that the warning board can be folded to the right side wall of the upright post, the space occupied by the whole device is reduced, meanwhile, the supporting plate is folded to the side wall of the upright post, the size of the device is further reduced, and the device is;
2. when the supporting plate is folded to the side wall of the upright post, the push rod is moved out of the mounting groove, so that the push rod is not attached to the mounting block, the mounting block drives the universal wheel to move downwards through the expansion of the spring, the universal wheel is contacted with the ground, the device is convenient to move, and the difficulty of carrying the device by workers is reduced;
3. when the device turned on one's side subaerial, because of the perpendicular cross-section of spout is isosceles trapezoid, therefore the spin was rolled conducting strip department down by the influence of gravity to the conducting strip under the extrusion makes conducting strip and last conducting strip contact down, makes siren circular telegram work send out the police dispatch newspaper, and suggestion staff's device takes place to turn on one's side, makes things convenient for the staff in time to put the device straight, guarantees that the pedestrian can in time know construction information, increases construction's security.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a connecting structure of a rotating rod and an adjusting rod according to the present invention.
In the figure: 1. a column; 2. a rotating groove; 3. a rotating rod; 31. a connecting rod; 32. fixing the rod; 4. a torsion spring; 5. a warning board; 6. adjusting a rod; 61. a top cover; 62. adjusting the spring; 63. a travel bar; 64. a threaded rod; 7. dividing the plates; 8. a movable shaft; 9. a rotating shaft; 10. a support plate; 11. mounting grooves; 12. a spring; 13. mounting blocks; 14. a push rod; 15. a storage tank; 16. a baffle plate; 17. a limiting rod; 18. a return spring; 19. a chute; 20. rolling a ball; 21. a lower conductive sheet; 22. and (4) an upper conducting strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a portable building construction safety early warning device comprises a vertical column 1, a rotating groove 2 is arranged on the outer wall of the top of the vertical column 1, a rotating rod 3 is inserted at the top end of the inner cavity of the rotating groove 2, a torsion spring 4 is sleeved at the bottom end of the outer wall of the rotating rod 3, one end of the torsion spring 4 is connected with the outer wall of the rotating rod 3, the other end of the torsion spring 4 is connected with the inner wall of the rotating groove 2, so that the rotating rod 3 and a warning board 5 are stable in position, the warning board 5 is ensured not to rotate, the warning board 5 is sleeved at the top end of the outer wall of the rotating rod 3, an adjusting rod 6 is inserted at the top end of the inner cavity of the rotating rod 3 in a penetrating manner, the adjusting rod 6 comprises a threaded rod 64, the bottom end of the threaded rod 64 is in threaded connection with the bottom of the inner cavity of the rotating groove 2, the rotating rod 3 and the, an adjusting spring 62 is arranged between the top cover 61 and the rotating rod 3, the rotating rod 3 comprises a connecting rod 31, two groups of fixing rods 32 are arranged on the outer wall of the bottom of the connecting rod 31, the outer wall of the right side of the bottom of the connecting rod 31 is hinged with the outer wall of the right side of the top of the upper fixing rod 32, the outer wall of the right side of the bottom of the upper fixing rod 32 is hinged with the outer wall of the right side of the top of the lower fixing rod 32, the front end and the rear end of the moving rod 63 are in sliding connection with the inner walls of the front side and the rear side of the connecting rod 31, so that the moving rod 63 and the connecting rod 31 cannot rotate mutually, a groove is formed in the inner wall of the right side of the rotating groove 2, the warning board 5 is rotated, the rotating rod 3 drives the adjusting rod 6 to rotate, the threaded rod 64 is connected and, folding the right side wall to stand 1 with warning sign 5, the volume of reducing device, 1 left side top outer wall of stand is provided with the handle, makes things convenient for mobile device, reduces staff's carrying device's the degree of difficulty, and both sides bottom outer wall all is provided with pivot 9 about stand 1, and the one end that stand 1 was kept away from to pivot 9 is connected with backup pad 10, folds the left and right sides to stand 1 with backup pad 10, further reduces the volume of device, makes things convenient for staff carrying device.
The outer wall of the bottom of the upright post 1 is provided with a mounting groove 11, the inner wall of the top of the mounting groove 11 is connected with a spring 12, the bottom end of the spring 12 is provided with a mounting block 13, the outer wall of the bottom of the mounting block 13 is provided with two groups of universal wheels, the length of the vertical section of the mounting block 13 is gradually reduced from top to bottom, the mounting block 13 is conveniently extruded into the mounting groove 11 by a push rod 14, the universal wheels are not contacted with the ground, the outer wall of one side, close to the upright post 1, of the support plate 10 is provided with the push rod 14, one end, close to the upright post 1, of the push rod 14 extends into an inner cavity of the mounting groove 11 and is attached to the outer wall of the mounting block 13, when the support plate 10 is folded to the side wall of the upright post 1, the push rod 14 is moved out of the mounting groove 11;
a chute 19 is arranged in the center of the inner cavity of the upright post 1, the vertical section of the chute 19 is isosceles trapezoid, a rolling ball 20 is arranged at the bottom of the inner cavity of the chute 19, a lower conducting strip 21 is arranged in the inner cavity of the chute 19, an upper conducting strip 22 is arranged on the inner wall of the top of the chute 19, the upper conducting strip 22 is positioned right above the lower conducting strip 21, the outer wall of the rear side of the upright post 1 is provided with an alarm, the upper conducting strip 22 is electrically connected with the alarm, the lower conducting strip 21 is electrically connected with an external power supply, if the device is turned, therefore, the rolling ball 20 rolls to the lower conducting strip 21 under the influence of gravity and extrudes the lower conducting strip 21, so that the lower conducting strip 21 is contacted with the upper conducting strip 22, the alarm is powered on to send out an alarm to prompt workers that the device turns over, the workers can conveniently and timely align the device, the pedestrians can timely know construction information, and the safety of building construction is improved;
the outer wall of the top of the supporting plate 10 is provided with a storage groove 15, a weighted object is added into the storage groove 15, the weight of the supporting plate 10 is increased, the stability of the bottom of the device is improved, the device is prevented from toppling over, the inner wall of the bottom of the storage groove 15 is provided with an opening, a baffle 16 is arranged in an inner cavity of the opening, two groups of guide blocks are arranged at the bottom of the inner cavity of the storage groove 15 and are positioned on the left side and the right side of the top of the opening, the baffle 16 is moved away from the opening, the weighted object in the storage groove;
the outer wall of one side, away from the upright post 1, of the baffle 16 is provided with a limiting groove, the outer wall of the bottom of one side, away from the upright post 1, of the support plate 10 is provided with a limiting rod 17, one end, close to the upright post 1, of the limiting rod 17 extends to an inner cavity of the limiting groove, a moving groove is formed in the connecting part of the support plate 10 and the limiting rod 17, the outer wall of the limiting rod 17 is sleeved with a reset spring 18, the reset spring 18 expands to enable the limiting rod 17 to be tightly inserted into the limiting groove, one end of the reset spring 18 is connected with the outer wall of the limiting rod 17, the other end of the reset spring 18 is connected with the inner wall of the moving groove, the limiting rod 17 is moved out of the limiting groove to;
the warning board 5 comprises three component plates 7, a movable shaft 8 is arranged between every two adjacent component plates 7, the sum of the length of the vertical section of the left component plate 7 and the length of the vertical section of the right component plate 7 is smaller than the length of the vertical section of the central component plate 7, so that the left and right component plates 7 can be folded to the rear side of the central component plate 7, the size of the whole device is reduced, and the carrying device is convenient.
A working method of a portable building construction safety early warning device comprises the following steps:
s1: firstly, checking whether each part of the device is normal, then rotating the warning board 5 to enable the rotating rod 3 to drive the adjusting rod 6 to rotate, enabling the threaded rod 64 to be connected with and loosened from the bottom of the inner cavity of the rotating groove 2, enabling the moving rod 63 to drive the threaded rod 64 to ascend through expansion of the adjusting spring 62, enabling the adjusting rod 6 to move out of the inner cavity of the fixing rod 32, enabling the connecting rod 31 to be connected with and loosened from the fixing rod 32, then folding the rotating rod 3, folding the warning board 5 to the right side wall of the upright post 1, and reducing the size of the device;
s2: the limiting rod 17 is moved out of the limiting groove, so that the baffle 16 is connected with the opening and loosened, the weighted objects stored in the storage groove 15 are discharged, and then the supporting plate 10 is folded to the left side and the right side of the upright post 1, so that the size of the device is further reduced, and the device is convenient for workers to carry;
s3: when the supporting plate 10 is folded to the side wall of the upright post 1, the push rod 14 is moved out of the mounting groove 11, so that the push rod 14 is not attached to the mounting block 13, the mounting block 13 drives the universal wheel to move downwards through the expansion of the spring 12, the universal wheel is contacted with the ground, and the device is convenient to move;
s4: when the device is in use, if the device turns on one's side subaerial, because of the perpendicular cross-section of spout 19 is isosceles trapezoid, therefore spin 20 receives gravity to roll conducting strip 21 department down to conducting strip 21 under the extrusion, making conducting strip 21 and last conducting strip 22 contact down, making siren circular telegram work send out the police dispatch newspaper, suggestion staff's device takes place to turn on one's side, makes things convenient for the staff in time to put the device straight, guarantees that the pedestrian can in time know construction information, increases the security of construction.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a portable construction safety precaution device, includes stand (1), its characterized in that: the outer wall of the top of the upright post (1) is provided with a rotating groove (2), the top end of an inner cavity of the rotating groove (2) is spliced with a rotating rod (3), the bottom end of the outer wall of the rotating rod (3) is sleeved with a torsion spring (4), one end of the torsion spring (4) is connected with the outer wall of the rotating rod (3), the other end of the torsion spring (4) is connected with the inner wall of the rotating groove (2), the top end of the outer wall of the rotating rod (3) is sleeved with a warning board (5), the top end of the inner cavity of the rotating rod (3) is penetrated and spliced with an adjusting rod (6), the adjusting rod (6) comprises a threaded rod (64), the bottom end of the threaded rod (64) is in threaded connection with the bottom of the inner cavity of the rotating groove (2), the top end of the threaded rod (64) is provided with a moving rod (63), the top end of the moving rod (63) extends to the, the outer wall of the bottom of the connecting rod (31) is provided with two groups of fixing rods (32), the outer wall of the right side of the bottom of the connecting rod (31) is hinged with the outer wall of the right side of the top of the upper fixing rod (32), the outer wall of the right side of the bottom of the upper fixing rod (32) is hinged with the outer wall of the right side of the top of the lower fixing rod (32), the inner wall of the right side of the rotating groove (2) is provided with a slot, the outer wall of the top of the left side of the upright post (1) is provided with a handle, the outer walls of the bottoms of the left side and the right side of the upright post (1) are both provided with a rotating shaft (9), one end of the rotating shaft (9) far away from the upright post (1) is connected with a supporting plate (10), the outer wall of the bottom of the upright post (1) is provided, the outer wall of one side that backup pad (10) are close to stand (1) is provided with push rod (14), the one end that push rod (14) are close to stand (1) extends to the inner chamber of mounting groove (11) and laminates with the outer wall of installation piece (13) mutually, spout (19) have been seted up to stand (1) inner chamber central authorities, spout (19) erect the cross-section and are isosceles trapezoid, spout (19) inner chamber bottom is provided with spin (20), spout (19) inner chamber is provided with down conducting strip (21), spout (19) top inner wall is provided with conducting strip (22), it is located down conducting strip (21) directly over to go up conducting strip (22), stand (1) rear side outer wall is provided with the siren, go up conducting strip (22) and siren electric connection, conducting strip (21) and external power source electric connection down.
2. The portable building construction safety early warning device of claim 1, characterized in that: storage tank (15) have been seted up to backup pad (10) top outer wall, and the opening has been seted up to storage tank (15) bottom inner wall, and the opening inner chamber is provided with baffle (16), and storage tank (15) inner chamber bottom is provided with two sets of guide blocks, and two sets of guide blocks are located the opening top left and right sides.
3. The portable building construction safety early warning device of claim 2, characterized in that: one side outer wall that stand (1) was kept away from in baffle (16) has seted up the spacing groove, one side bottom outer wall that stand (1) was kept away from in backup pad (10) is provided with gag lever post (17), the inner chamber of spacing groove is extended to the one end that gag lever post (17) are close to stand (1), the shifting chute has been seted up at the position of being connected of backup pad (10) and gag lever post (17), reset spring (18) have been cup jointed to gag lever post (17) outer wall, reset spring (18) one end and the outer wall connection of gag lever post (17), the inner wall connection of reset spring (18) other end and shifting chute.
4. The portable building construction safety early warning device of claim 1, characterized in that: the warning board (5) comprises three groups of component plates (7), a movable shaft (8) is arranged between every two adjacent groups of component plates (7), and the sum of the length of the vertical section of the left side component plate (7) and the length of the vertical section of the right side component plate (7) is smaller than the length of the vertical section of the central component plate (7).
5. A method of operating a portable construction safety precaution device according to any one of claims 1 to 4, characterized by:
s1: firstly, checking whether each part of the device is normal, then rotating the warning board (5) to enable the rotating rod (3) to drive the adjusting rod (6) to rotate, enabling the threaded rod (64) to be connected and loosened with the bottom of the inner cavity of the rotating groove (2), enabling the moving rod (63) to drive the threaded rod (64) to ascend through expansion of the adjusting spring (62), enabling the adjusting rod (6) to move out of the inner cavity of the fixing rod (32), enabling the connecting rod (31) and the fixing rod (32) to be connected and loosened, then folding the rotating rod (3), folding the warning board (5) to the right side wall of the upright post (1), and reducing the size of the device;
s2: the limiting rod (17) is moved out of the limiting groove, so that the baffle (16) is connected with the opening and loosened, the weighted objects stored in the storage groove (15) are discharged, and then the supporting plate (10) is folded to the left side and the right side of the upright post (1), so that the size of the device is further reduced, and the device is convenient for workers to carry;
s3: when the supporting plate (10) is folded to the side wall of the upright post (1), the push rod (14) is moved out of the mounting groove (11), so that the push rod (14) is not attached to the mounting block (13), and the mounting block (13) drives the universal wheel to move downwards through the expansion of the spring (12), so that the universal wheel is in contact with the ground, and the device is convenient to move;
s4: when the device is in use, if the device turns on one's side subaerial, be isosceles trapezoid because of the perpendicular cross-section of spout (19), consequently spin (20) receive gravity to influence roll conducting strip (21) department down to conducting strip (21) under the extrusion, make conducting strip (21) and last conducting strip (22) contact down, make the circular telegram work of siren send out the police dispatch newspaper, suggestion staff's device takes place to turn on one's side, make things convenient for the staff in time to put the device straight, guarantee that the pedestrian can in time know construction information, increase the security of construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910065313.8A CN109637348B (en) | 2019-01-23 | 2019-01-23 | Portable building construction safety early warning device and working method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910065313.8A CN109637348B (en) | 2019-01-23 | 2019-01-23 | Portable building construction safety early warning device and working method |
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| Publication Number | Publication Date |
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| CN109637348A CN109637348A (en) | 2019-04-16 |
| CN109637348B true CN109637348B (en) | 2021-02-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112502060A (en) * | 2019-09-15 | 2021-03-16 | 浙江令大夫生物科技有限公司 | Warning device for building with striking function |
| CN113334322B (en) * | 2021-04-20 | 2023-04-11 | 山东恩乐驰锻造有限公司 | Pipeline flange plate butt joint equipment capable of avoiding abrasion dislocation for petroleum refining |
| CN113232860B (en) * | 2021-05-17 | 2023-12-05 | 淮阴工学院 | Mobile traffic fault warning equipment |
| CN114875821A (en) * | 2022-06-02 | 2022-08-09 | 常州机电职业技术学院 | Property-based safety warning device and method |
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| DE19808155C1 (en) * | 1998-02-27 | 1999-04-29 | Siegfried Kwasny | Pedestal and transport frame for traffic signs |
| US20070289184A1 (en) * | 2006-04-27 | 2007-12-20 | Cheng Kui E | Suspended, mobile, greeting card display |
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