CN112112090A - Construction safety warning board applied to engineering project management - Google Patents
Construction safety warning board applied to engineering project management Download PDFInfo
- Publication number
- CN112112090A CN112112090A CN202011020365.2A CN202011020365A CN112112090A CN 112112090 A CN112112090 A CN 112112090A CN 202011020365 A CN202011020365 A CN 202011020365A CN 112112090 A CN112112090 A CN 112112090A
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- Prior art keywords
- fixedly connected
- wall
- cavity
- cylinder
- warning board
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/608—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings for guiding, warning or controlling traffic, e.g. delineator posts or milestones
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/615—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings illuminated
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
- G08B5/38—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources using flashing light
Abstract
The invention discloses a construction safety warning board applied to engineering project management, which comprises a base, a cylinder and warning boards, wherein the base and the warning boards are respectively arranged on the upper side and the lower side of the cylinder, the base is fixedly connected with the cylinder, the warning boards are rotatably connected to the upper end of the cylinder, the cylinder is of a hollow structure, the inner side wall of the upper part of the cylinder is fixedly connected with a first motor, the output shaft of the first motor is fixedly connected with a winding roller, and the output shaft of the first motor is rotatably connected with the inner wall of the cylinder through a bearing. Has the advantages that: according to the invention, the warning board is provided with the warning lamp, when a worker carries a large material to approach, steel in the material can generate magnetic attraction with the counterweight ball, so that the counterweight ball deviates from the vertical direction and approaches to the side surface, when the counterweight ball contacts with the inner wall of the annular sleeve, the warning lamp is electrified to send out flashing warnings, and the flashing warnings have higher identification degree, so that the occurrence of dangerous conditions is avoided.
Description
Technical Field
The invention relates to the technical field of engineering management warning boards, in particular to a construction safety warning board applied to engineering project management.
Background
The warning sign is that road or construction are in the warning device that safety consideration was used for reminding other people, be used for reducing the potential safety hazard, along with the rapid development of socialist modernized construction, the security of construction is more worth noticing, most building site is for the safety guarantee, prevent that irrelevant personnel from passing in and out, all can settle the warning sign in import department, this kind of warning sign is the plank mostly, write typeface such as forbid discrepancy on plastics and iron sheet class of material, although also can reach warning effect, this type of warning effect is poor, and be difficult to see at a glance under most of the circumstances.
In addition, in engineering projects, a plurality of areas all belong to danger zones, a warning board can be placed in the prior art to inform surrounding pedestrians or workers that the warning board is dangerous, the warning board is not suitable to be close to the surrounding pedestrians or the workers, however, in the construction process, a plurality of workers can push rickshaws, hold building materials, tools and the like to be close to the warning board, the objects easily block own sight lines, and the warning board cannot be seen effectively, so that the danger degree in engineering projects is high.
Disclosure of Invention
The invention aims to solve the problem that in the prior art, a warning board for engineering management is easy to shield sight line in the actual use process to cause warning failure, and provides a construction safety warning board applied to engineering project management.
In order to achieve the purpose, the invention adopts the following technical scheme: a construction safety warning board applied to engineering project management comprises a base, a cylinder and warning boards, wherein the base and the warning boards are respectively arranged on the upper side and the lower side of the cylinder;
a first pull rope and a second pull rope are wound on the winding roller, the upper ends of the first pull rope and the second pull rope are tied together and fixed with the winding roller, the lower end of the first pull rope is fixedly connected with a counterweight ball, the lower end of the second pull rope is divided into a plurality of branches, and the branches at the lower end of the second pull rope are fixedly connected with an annular sleeve;
the annular sleeve body is made of an insulating material, the inner wall and the outer wall of the annular sleeve are both sleeved with conducting layers, and the outer wall of the annular sleeve, the inner wall of the cylinder and the first motor are jointly electrically connected with an external first power supply;
the warning board is provided with a warning lamp, and the counterweight ball, the inner wall of the annular sleeve and the warning lamp are electrically connected with an external second power supply.
In foretell construction safety warning sign who is applied to engineering project management, a cavity has been seted up in the base, the slide of a downward and external intercommunication is seted up to the base lower wall, the cross section of slide is square structure, be provided with a plurality of landing legs in the slide, every the equal fixedly connected with universal wheel of landing leg lower extreme, be provided with the power device of drive landing leg motion in the cavity.
In foretell construction safety warning sign who is applied to engineering project management, power device includes the second motor, screw rod of output shaft fixedly connected with of second motor, the screw rod runs through the lower wall of cavity and extends to in the slide, screw rod threaded connection has a lower slide, and is a plurality of the landing leg all with lower slide fixed connection, lower slide and slide clearance fit.
In foretell construction safety warning sign who is applied to engineering project management, the screw rod is two-way screw rod, the partial threaded connection that two-way screw rod is located the cavity has an upper sliding plate, two-way screw rod passes through the bearing with the lower wall of cavity and rotates and be connected, upper sliding plate top is provided with one and launches the board, it is greater than two-way screw rod's external diameter for loop configuration and its internal diameter to launch the board, launch a location needle of board lower extreme fixedly connected with, a plurality of needle ways have been seted up to the lower wall of cavity, every the needle way all communicates with the external world downwards, every all with a location needle sliding connection in the needle way.
In foretell construction safety warning sign who is applied to engineering project management, the upper wall fixedly connected with a plurality of compression springs of ejection plate, every compression spring's upper end all with the upper wall fixed connection of cavity, the inside wall of cavity is provided with a plurality of trigger mechanism.
In foretell construction safety warning sign who is applied to engineering project management, every trigger mechanism all includes a locking piece, a plurality of side chambeies have been seted up to the inner wall of cavity, locking piece sliding connection's side intracavity, the locking piece is located the lower wall that is close to two-way screw rod one end and is the inclined plane structure, go up annular bag of lower wall fixedly connected with of slide, the lower extreme fixed connection of annular bag is at the lower wall of cavity, every passive bag of equal fixedly connected with of locking piece, every passive bag all communicates communicating pipe that has a stereoplasm, every communicating pipe all communicates with annular bag intercommunication, every synchronous board of equal fixedly connected with on the locking piece, synchronous board offsets with passive bag.
In foretell construction safety warning sign who is applied to engineering project management, every the side intracavity all is provided with a reset spring, every reset spring's one end all with locking piece fixed connection, every reset spring keeps away from the one end that corresponds the locking piece all with the inner wall fixed connection in side chamber, and every reset spring all points to two-way screw rod.
Compared with the prior art, the invention has the advantages that:
1. when a worker carries a large material to approach, the material such as steel in the material can generate magnetic attraction with the counterweight ball, so that the counterweight ball deviates from the vertical direction and approaches to the side surface, when the counterweight ball contacts with the inner wall of the annular sleeve, the counterweight ball and the inner wall of the annular sleeve are contacted and conducted, so that the alarm lamp is electrified to send out flash alarms, and the flash alarms have higher identification degree, so that the attention of the worker is attracted, the situation that the counterweight ball continuously moves to a dangerous area is avoided, and the occurrence of dangerous situations is avoided;
2. when the ground on which the device of the present invention is placed is not flat enough, the distance between the weight ball and the annular sleeve becomes shorter. When the annular sleeve is contacted with the inner wall of the cylinder body, the first motor is electrified to drive the winding roller to rotate, so that the first pull rope and the second pull rope are wound on the winding roller more times until the annular sleeve is not contacted with the inner wall of the cylinder body, and the relative positions of the cylinder body and the counterweight ball are ensured to be unchanged when the device is in a certain inclined state; and when ground level state, the counter weight ball is far away from winding roller's distance, and the external world produces less power with the counter weight ball and can produce obvious skew for the triggering of warning light is more sensitive.
3. When the device needs to move, the second motor is started to drive the bidirectional screw rod to rotate, the lower sliding plate is driven to slide downwards relative to the bidirectional screw rod, so that the supporting leg extends downwards from the slideway, and the universal wheel at the bottom of the supporting leg is in contact with the ground, so that the device is convenient to move.
4. When the bidirectional screw rotates to drive the lower sliding plate to move upwards, the upper sliding plate moves downwards to compress the annular bag, so that liquid in the annular bag flows into the driven bag through the communicating pipe, the ejection plate abuts against the locking block and cannot move synchronously with the upper sliding plate, the annular bag is continuously compressed, the driven bag continuously expands to push the synchronous plate to drive the locking block to move, when the locking block is separated from the ejection plate, the ejection plate is rapidly ejected downwards under the action of the compression spring, so that the positioning needle is downwards inserted into the ground from the needle channel, the positioning of the device is realized, the total mass of the device is not required to be increased, and the device is prevented from being toppled by slight collision or wind power blowing.
Drawings
FIG. 1 is a schematic structural diagram of a construction safety warning board applied to engineering project management according to the present invention;
FIG. 2 is a schematic structural view of a base portion of a construction safety warning board applied to engineering project management according to the present invention;
FIG. 3 is a schematic view of a partial structure in a cavity of a construction safety warning board applied to engineering project management according to the present invention;
fig. 4 is an enlarged schematic view of a part a structure of a construction safety warning board applied to engineering project management according to the present invention.
In the figure: the device comprises a base 1, a cylinder 2, a warning board 3, a first motor 4, a winding roller 5, a first pull rope 6, a second pull rope 7, an annular sleeve 8, a counterweight ball 9, a cavity 10, a second motor 11, a two-way screw 12, an upper sliding plate 13, a slideway 14, a lower sliding plate 15, an ejection plate 16, a compression spring 17, a side cavity 18, a locking block 19, a return spring 20, a driven bag 21, a synchronous plate 22, an annular bag 23, a communicating pipe 24, a positioning pin 25, a needle track 26, supporting legs 27 and universal wheels 28.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-4, a construction safety warning board applied to engineering project management comprises a base 1, a cylinder 2 and a warning board 3, wherein the base 1 and the warning board 3 are respectively arranged at the upper side and the lower side of the cylinder 2, the base 1 is fixedly connected with the cylinder 2, the warning board 3 is rotatably connected to the upper end of the cylinder 2, the cylinder 2 is of a hollow structure, the inner side wall of the upper part of the cylinder 2 is fixedly connected with a first motor 4, the output shaft of the first motor 4 is fixedly connected with a winding roller 5, and the output shaft of the first motor 4 is rotatably connected with the inner wall of the cylinder 2 through a bearing;
a first pull rope 6 and a second pull rope 7 are wound on the winding roller 5, the upper ends of the first pull rope 6 and the second pull rope 7 are tied together and fixed with the winding roller 5, the lower end of the first pull rope 6 is fixedly connected with a counterweight ball 9, the lower end of the second pull rope 7 is divided into a plurality of branches, and the branches at the lower end of the second pull rope 7 are fixedly connected with an annular sleeve 8; the annular sleeve 8 is made of plastic, the counterweight ball 9 is made of magnetic materials, and the outer wall of the counterweight ball 9 is plated with a conductive layer.
The body of the annular sleeve 8 is made of an insulating material, the inner wall and the outer wall of the annular sleeve 8 are both sleeved with conducting layers, and the outer wall of the annular sleeve 8, the inner wall of the cylinder 2 and the first motor 4 are jointly electrically connected with an external first power supply;
the warning board 3 is provided with a warning lamp, and the counterweight ball 9, the inner wall of the annular sleeve 8 and the warning lamp are electrically connected with an external second power supply; when the staff carries the major possession material to be close to, materials such as steel in the material just can produce magnetic attraction with counter weight ball 9, thereby make counter weight ball 9 skew vertical direction and be close to the side, when the contact of counter weight ball 9 and the inner wall of annular cover 8, the two contact is electrically conductive to make the warning light circular telegram send the warning of twinkling of an eye, these warning of twinkling of an eye have higher recognition degree, thereby arouse staff's attention, avoid it to continue to remove to danger area, thereby the emergence of the dangerous condition of avoiding.
When the ground on which the device of the present invention is placed is not flat enough, the annular sleeve 8 and the counterweight balls 9 are not parallel to the column body 2, and at this time, if the annular sleeve 8 contacts the inner wall of the column body 2, the distance between the side counterweight balls 9 and the annular sleeve 8 becomes shorter, even directly contacts. When the annular sleeve 8 is contacted with the inner wall of the cylinder 2, the first motor 4 is electrified to drive the winding roller 5 to rotate, so that the first pull rope 6 and the second pull rope 7 are wound on the winding roller 5 more times until the annular sleeve 8 is not contacted with the inner wall of the cylinder 2, and the relative positions of the cylinder 2 and the counterweight ball 9 are ensured to be unchanged when the device is in a certain inclined state; and when ground level state, the counter weight ball 9 is far away from winding roller 5, and the external world produces less power with counter weight ball 9 and can produce obvious skew for the triggering of warning light is more sensitive.
A cavity 10 is formed in the base 1, a downward slide 14 communicated with the outside is formed in the lower wall of the base 1, the cross section of the slide 14 is of a square structure, a plurality of supporting legs 27 are arranged in the slide 14, a universal wheel 28 is fixedly connected to the lower end of each supporting leg 27, and a power device for driving the supporting legs 27 to move is arranged in the cavity 10.
The power device comprises a second motor 11, a screw rod is fixedly connected with an output shaft of the second motor 11, the screw rod penetrates through the lower wall of the cavity 10 and extends into the slide way 14, a lower sliding plate 15 is connected with the screw rod in a threaded manner, a plurality of supporting legs 27 are fixedly connected with the lower sliding plate 15, and the lower sliding plate 15 is in clearance fit with the slide way 14.
When the device needs to move, the second motor 11 is started to drive the bidirectional screw 12 to rotate, the lower sliding plate 15 is driven to slide downwards relative to the bidirectional screw, so that the supporting legs 27 extend downwards from the slide ways 14, and the universal wheels 28 at the bottoms of the supporting legs 27 are in contact with the ground, so that the device is convenient to move.
The screw rod is two-way screw rod 12, the part of two-way screw rod 12 that is located cavity 10 threaded connection has an upper sliding plate 13, two-way screw rod 12 passes through the bearing rotation with the lower wall of cavity 10 and is connected, upper sliding plate 13 top is provided with one and launches board 16, it is the outer diameter that launch board 16 is the loop configuration and its internal diameter is greater than two-way screw rod 12, launch board 16 lower extreme fixedly connected with a location needle 25, a plurality of needle ways 26 have been seted up to the lower wall of cavity, every needle way 26 all communicates with the external world downwards, all with a location needle 25 sliding connection in every needle way 26.
The upper wall of the ejection plate 16 is fixedly connected with a plurality of compression springs 17, the upper end of each compression spring 17 is fixedly connected with the upper wall of the cavity 10, and the inner side wall of the cavity 10 is provided with a plurality of trigger mechanisms.
Every trigger mechanism all includes a locking piece 19, a plurality of side chambeies 18 have been seted up to the inner wall of cavity 10, locking piece 19 sliding connection's side intracavity 18, locking piece 19 is located the lower wall that is close to two-way screw rod 12 one end and is the inclined plane structure, go up annular bag 23 of lower wall fixedly connected with of slide 13, the lower extreme fixed connection of annular bag 23 is at the lower wall of cavity 10, the passive bag 21 of equal fixedly connected with of every locking piece 19, every passive bag 21 all communicates with the communicating pipe 24 of a stereoplasm, every communicating pipe 24 all communicates with annular bag 23, equal fixedly connected with synchronous board 22 on every locking piece 19, synchronous board 22 offsets with passive bag 21.
A return spring 20 is arranged in each side cavity 18, one end of each return spring 20 is fixedly connected with the locking block 19, one end of each return spring 20, which is far away from the corresponding locking block 19, is fixedly connected with the inner wall of the side cavity 18, and each return spring 20 points to the bidirectional screw 12.
When the bidirectional screw 12 rotates to enable the lower sliding plate 15 to move downwards, the upper sliding plate 13 drives the ejection plate 16 to move upwards, the ejection plate 16 abuts against the inclined surface of the locking block 19 when moving, and pushes the fragments 19 to slide towards the edge until the ejection plate 16 is separated from the locking block 19, and the locking block 19 is reset under the action of the reset spring 20;
when the bidirectional screw 12 rotates to drive the lower sliding plate 15 to move upwards, the upper sliding plate 13 moves downwards to compress the annular bag 23, so that liquid in the annular bag 23 flows into the driven bag 21 through the communicating pipe 24, the ejection plate 16 abuts against the locking block 19 and cannot move synchronously with the upper sliding plate 13, the annular bag 23 is continuously compressed, the driven bag 21 continuously expands to push the synchronous plate 22 to drive the locking block 19 to move, when the locking block 19 is separated from the ejection plate 16, the ejection plate 16 is rapidly ejected downwards under the action of the compression spring 17, so that the positioning needle 25 is inserted downwards into the ground from the needle channel 26, the positioning of the device is realized, and the device is prevented from being toppled over due to slight collision or wind power blowing.
Although the terms of the base 1, the cylinder 2, the warning plate 3, the first motor 4, the winding roller 5, the first pulling rope 6, the second pulling rope 7, the annular sleeve 8, the counterweight ball 9, the cavity 10, the second motor 11, the two-way screw 12, the upper sliding plate 13, the slideway 14, the lower sliding plate 15, the ejection plate 16, the compression spring 17, the side cavity 18, the locking block 19, the return spring 20, the passive bag 21, the synchronous plate 22, the annular bag 23, the communicating pipe 24, the positioning needle 25, the needle track 26, the supporting leg 27, the universal wheel 28 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (7)
1. The construction safety warning board applied to engineering project management comprises a base (1), a cylinder (2) and warning boards (3), and is characterized in that the base (1) and the warning boards (3) are respectively arranged on the upper side and the lower side of the cylinder (2), the base (1) is fixedly connected with the cylinder (2), the warning boards (3) are rotatably connected to the upper end of the cylinder (2), the cylinder (2) is of a hollow structure, a first motor (4) is fixedly connected to the inner side wall of the upper portion of the cylinder (2), an output shaft of the first motor (4) is fixedly connected with a winding roller (5), and the output shaft of the first motor (4) is rotatably connected with the inner wall of the cylinder (2) through a bearing;
a first pull rope (6) and a second pull rope (7) are wound on the winding roller (5), the upper ends of the first pull rope (6) and the second pull rope (7) are tied together and fixed with the winding roller (5), the lower end of the first pull rope (6) is fixedly connected with a counterweight ball (9), the lower end of the second pull rope (7) is divided into a plurality of branches, and the branches at the lower end of the second pull rope (7) are fixedly connected with an annular sleeve (8);
the body of the annular sleeve (8) is made of an insulating material, the inner wall and the outer wall of the annular sleeve (8) are both sleeved with conducting layers, and the outer wall of the annular sleeve (8), the inner wall of the column body (2) and the first motor (4) are jointly electrically connected with an external first power supply;
and an alarm lamp is arranged on the warning board (3), and the inner wall of the counterweight ball (9) and the annular sleeve (8) and the alarm lamp are electrically connected with an external second power supply.
2. The construction safety warning board applied to engineering project management according to claim 1, wherein a cavity (10) is formed in the base (1), a slide way (14) which is downward communicated with the outside is formed in the lower wall of the base (1), the cross section of the slide way (14) is of a square structure, a plurality of supporting legs (27) are arranged in the slide way (14), a universal wheel (28) is fixedly connected to the lower end of each supporting leg (27), and a power device for driving the supporting legs (27) to move is arranged in the cavity (10).
3. The construction safety warning board applied to engineering project management according to claim 2, wherein the power device comprises a second motor (11), an output shaft of the second motor (11) is fixedly connected with a screw rod, the screw rod penetrates through the lower wall of the cavity (10) and extends into the slideway (14), the screw rod is in threaded connection with a lower sliding plate (15), the supporting legs (27) are fixedly connected with the lower sliding plate (15), and the lower sliding plate (15) is in clearance fit with the slideway (14).
4. The construction safety warning board applied to engineering project management according to claim 3, wherein the screw is a bidirectional screw (12), a part of the bidirectional screw (12) located in the cavity (10) is connected with an upper sliding plate (13) in a threaded manner, the bidirectional screw (12) is rotatably connected with the lower wall of the cavity (10) through a bearing, an ejection plate (16) is arranged above the upper sliding plate (13), the ejection plate (16) is of an annular structure, the inner diameter of the ejection plate is larger than the outer diameter of the bidirectional screw (12), a positioning needle (25) is fixedly connected to the lower end of the ejection plate (16), a plurality of needle channels (26) are formed in the lower wall of the cavity, each needle channel (26) is communicated with the outside downwards, and each needle channel (26) is connected with one positioning needle (25) in a sliding manner.
5. The construction safety warning board applied to engineering project management according to claim 4, wherein a plurality of compression springs (17) are fixedly connected to the upper wall of the ejection plate (16), the upper end of each compression spring (17) is fixedly connected to the upper wall of the cavity (10), and a plurality of trigger mechanisms are arranged on the inner side wall of the cavity (10).
6. The construction safety warning board applied to engineering project management according to claim 5, wherein each triggering mechanism comprises a locking block (19), the inner wall of the cavity (10) is provided with a plurality of side cavities (18), the locking blocks (19) are slidably connected in the side cavities (18), the lower wall of each locking block (19) close to one end of the two-way screw (12) is of an inclined surface structure, the lower wall of the upper sliding plate (13) is fixedly connected with an annular bag (23), the lower end of each annular bag (23) is fixedly connected with the lower wall of the cavity (10), each locking block (19) is fixedly connected with a passive bag (21), each passive bag (21) is communicated with a hard communicating pipe (24), each communicating pipe (24) is communicated with the annular bag (23), each locking block (19) is fixedly connected with a synchronous plate (22), the synchronizing plate (22) is abutted against the passive bladder (21).
7. The construction safety warning board applied to engineering project management is characterized in that a return spring (20) is arranged in each side cavity (18), one end of each return spring (20) is fixedly connected with a locking block (19), one end, far away from the corresponding locking block (19), of each return spring (20) is fixedly connected with the inner wall of each side cavity (18), and each return spring (20) points to a bidirectional screw (12).
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| CN202011020365.2A CN112112090B (en) | 2020-09-25 | 2020-09-25 | Construction safety warning board applied to engineering project management |
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| CN202011020365.2A CN112112090B (en) | 2020-09-25 | 2020-09-25 | Construction safety warning board applied to engineering project management |
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| US20120056067A1 (en) * | 2010-09-07 | 2012-03-08 | Chao-Ken Chen | Exhibiting Rack |
| CN202615568U (en) * | 2012-06-29 | 2012-12-19 | 禹州市电力工业公司 | Acousto-optic warning board |
| CN206396660U (en) * | 2017-01-13 | 2017-08-11 | 重庆交通大学 | A kind of new highway engineering construction guider |
| CN207503590U (en) * | 2017-09-26 | 2018-06-15 | 谢小起 | A kind of moveable educational propaganda column |
| CN208026427U (en) * | 2018-02-08 | 2018-10-30 | 重庆市河海碳素制品有限公司 | Hydrogen sintering pressure warner |
| CN208577962U (en) * | 2018-07-18 | 2019-03-05 | 福建华宇建筑装饰设计工程有限公司 | A kind of architectural engineering warning rail that intelligence is easy to remove |
| CN108963876A (en) * | 2018-09-19 | 2018-12-07 | 王海龙 | A kind of cable support device that electric power cable erection stability is good |
| CN209636822U (en) * | 2019-02-22 | 2019-11-15 | 中交二公局第四工程有限公司 | A kind of highway bridge construction cofferdam device |
| CN109778732A (en) * | 2019-03-27 | 2019-05-21 | 温州富强建筑工程有限公司 | A kind of municipal construction security warning equipment |
| CN210342897U (en) * | 2019-06-24 | 2020-04-17 | 中国建筑第七工程局有限公司 | Roadbed protection device |
| CN211420942U (en) * | 2019-08-12 | 2020-09-04 | 新乡市通达公路新科技有限公司 | Solar movable sign vehicle |
| CN110512550A (en) * | 2019-09-11 | 2019-11-29 | 张伊蒙 | A kind of bridge protection enclosure device |
| CN210515963U (en) * | 2019-12-18 | 2020-05-12 | 钱海深 | Security protection device for construction |
| CN111605991A (en) * | 2020-06-01 | 2020-09-01 | 王东林 | Commodity circulation transportation handling device |
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| CN112112090B (en) | 2021-11-19 |
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