CN111721387A - Overweight detection warning mechanism for bridge safety - Google Patents
Overweight detection warning mechanism for bridge safety Download PDFInfo
- Publication number
- CN111721387A CN111721387A CN202010593193.1A CN202010593193A CN111721387A CN 111721387 A CN111721387 A CN 111721387A CN 202010593193 A CN202010593193 A CN 202010593193A CN 111721387 A CN111721387 A CN 111721387A
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- Prior art keywords
- groove
- gear
- overweight
- bridge
- warning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
- G01G19/03—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing during motion
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/18—Indicating devices, e.g. for remote indication; Recording devices; Scales, e.g. graduated
- G01G23/36—Indicating the weight by electrical means, e.g. using photoelectric cells
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses an overweight detection warning mechanism for bridge safety, which comprises a foundation, wherein an installation groove is formed in the foundation, a pedal is installed in the installation groove through a plurality of limiting mechanisms, a rotating rod is horizontally and rotatably installed in the installation groove, a plurality of first gears are uniformly sleeved on the rotating rod, and a plurality of first toothed plates meshed with the gears are uniformly connected to the lower end of the pedal. According to the invention, through the transmission of the half gear and the gear, the device can automatically detect the overweight of the vehicle on the pedal, when the vehicle is overweight, the matching of the gear and the permanent magnetic disc can be utilized to enable the conductive coil to generate induced current, so that a warning signal is sent to the overweight vehicle, the damage of the overweight vehicle on the bridge to the bridge is prevented, and the overweight vehicle can normally pass through the device and cannot influence transportation.
Description
Technical Field
The invention relates to the technical field of bridge safety, in particular to an overweight detection warning mechanism for bridge safety.
Background
The traffic construction plays an important leading role in national economic development, and the bridge is an important structure in the construction of highways, railways and urban traffic, and particularly when the bridge spans rivers, deep valleys and straits, the bridge is often arranged to save great construction cost.
In order to guarantee the service life and the use safety of the bridge, each bridge is limited by the maximum weight of the upper bridge of a single vehicle when being designed, so that the bridge can be damaged when a passenger vehicle carrying cargo is overweight, the primary problem of influencing the health of the bridge is solved, light persons can cause internal damage of the bridge body, heavy persons can even cause the collapse of the bridge, and great economic loss and casualties are caused. Most of the existing bridges are not provided with overweight detection mechanisms, so that whether the loaded vehicles are overweight or not is difficult to determine when the loaded vehicles get on the bridge, and potential safety hazards of the bridge are easily caused.
Disclosure of Invention
The invention aims to solve the problem that potential safety hazards exist in the use process of a bridge due to the fact that a device for detecting and warning the overweight of the bridge is absent in the prior art, and provides an overweight detecting and warning mechanism for bridge safety.
In order to achieve the purpose, the invention adopts the following technical scheme:
an overweight detection warning mechanism for bridge safety comprises a foundation, wherein the foundation is provided with a mounting groove, the installation groove is internally provided with a pedal through a plurality of limiting mechanisms, the installation groove is internally provided with a rotating rod in a horizontal rotating way, a plurality of first gears are uniformly sleeved on the rotating rod, a plurality of toothed plates meshed with the first gears are uniformly connected to the lower end of the pedal, placing grooves are symmetrically formed in the foundation, and both ends of the rotating rod extend into the corresponding placing grooves and are in interference fit with the half gears, a second gear is rotatably arranged in each placing groove through a rotating shaft, and each second gear is meshed with the corresponding half gear, the side wall of each second gear is coaxially connected with a permanent magnetic disc, a conductive coil corresponding to the permanent magnetic disc is arranged on the inner bottom wall of each placing groove, and a warning piece is arranged on the upper end face of the foundation through a portal frame.
Preferably, the limiting mechanism comprises a limiting groove formed in the inner groove wall of the mounting groove, a polished rod is vertically arranged in the limiting groove, limiting blocks are slidably sleeved on the polished rod, and one ends, far away from the corresponding limiting grooves, of the limiting blocks are fixedly connected to the pedal.
Preferably, every all the cover is equipped with reset spring on the polished rod, and every reset spring's upper and lower end is equallyd divide and is connected respectively under the stopper terminal surface and the spacing inslot diapire that correspond.
Preferably, the warning piece comprises a warning lamp cap and a main amplifier, and the conductive coils are electrically connected with the main amplifier and the warning lamp cap through leads.
Preferably, the pressurizing groove has been seted up to the symmetry on the ground, every equal sealing sliding connection has the piston plate in the pressurizing groove, and the equal coaxial arrangement of every semi-gear lateral wall has the reel, and all is connected with the pull wire between every reel and the corresponding piston plate, the symmetry is equipped with the whistle body on the ground, every all communicate between the whistle body and the corresponding pressurizing groove and be equipped with the air duct, every the through-hole has all been seted up between air duct and the corresponding standing groove cell wall, every equal sealing sliding connection has the T shaped plate in the through-hole, every all overlap on the T shaped plate and be equipped with spacing spring, the permanent magnetism dish is oval.
Compared with the prior art, the device has the advantages that: through the transmission of semi-gear and gear, make this device can carry out overweight detection to the vehicle on the footboard automatically, when the vehicle is overweight, at first can utilize the cooperation of gear and permanent magnetism dish to make the conductive coil produce induced-current, thereby send warning signal to overweight vehicle, secondly can utilize the cooperation of pressurization inslot high-pressure gas and whistle body, can further warn overweight vehicle, prevent that overweight vehicle from going up the axle and causing the harm to the bridge, and overweight vehicle can normally pass through this device not, can not exert an influence to transportation, simultaneously this device degree of automation is high, can automatic re-setting after the vehicle detects the completion, detection efficiency height practicality is strong.
Drawings
Fig. 1 is a schematic structural view of an overweight detection warning mechanism 1 for bridge safety according to an embodiment of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is a schematic view of a partial structure inside a placement tank in embodiment 1 of an overweight detection warning mechanism for bridge safety according to the present invention;
FIG. 4 is an enlarged view of FIG. 1 at B;
fig. 5 is a schematic structural view of a permanent magnet disc in an embodiment 1 of an overweight detection warning mechanism for bridge safety according to the present invention;
fig. 6 is a schematic structural view of an overweight detection warning mechanism for bridge safety according to embodiment 2 of the present invention.
In the figure: the device comprises a foundation 1, a mounting groove 2, a limiting groove 3, a polish rod 4, a return spring 5, a limiting block 6, a pedal 7, a rotating rod 8, a first gear 9, a toothed plate 10, a placing groove 11, a semi-gear 12, a second gear 13, a permanent magnetic disk 14, a conductive coil 15, a portal frame 16, a warning part 17, a reel 18, a pressurizing groove 19, a piston plate 20, a whistle 21, an air duct 22, a T-shaped plate 23 and a limiting spring 24.
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.
Example 1
Referring to fig. 1-5, an overweight detection warning mechanism for bridge safety comprises a foundation 1, a mounting groove 2 is formed on the foundation 1, a pedal 7 is installed in the mounting groove 2 through a plurality of limiting mechanisms, a rotating rod 8 is horizontally and rotatably installed on the inner wall of the mounting groove 2, a plurality of first gears 9 are uniformly and fixedly sleeved on the rotating rod 8, a plurality of toothed plates 10 meshed with the first gears 9 are uniformly connected to the lower end of the pedal 7, placing grooves 11 are symmetrically formed on the foundation 1, two ends of the rotating rod 8 extend into the corresponding placing grooves 11 and are in interference fit with half gears 12, a second gear 13 is rotatably installed in each placing groove 11 through a rotating shaft, each second gear 13 is meshed with the corresponding half gear 12, the side wall of each second gear 13 is coaxially connected with a permanent magnet disc 14, a conductive coil 15 corresponding to the permanent magnet disc 14 is arranged on the inner bottom wall of each placing groove 11, the upper end surface of the foundation 1 is provided with a warning piece 17 through a portal frame 16.
According to the invention, the limiting mechanism comprises a limiting groove 3 formed in the inner groove wall of the mounting groove 2, a polished rod 4 is vertically arranged in the limiting groove 3, limiting blocks 6 are slidably sleeved on the polished rod 4, one ends of the limiting blocks 6 far away from the corresponding limiting grooves 3 are fixedly connected to the side wall of the pedal 7, a return spring 5 is sleeved on each polished rod 4, the upper end and the lower end of each return spring 5 are respectively connected to the lower end face of the corresponding limiting block 6 and the bottom wall of the limiting groove 3, and when the pedal 7 moves downwards under pressure through the limiting mechanism, the running stability of the limiting mechanism can be ensured.
In the invention, the warning part 17 comprises a warning lamp cap and a main amplifier, and the plurality of conductive coils 15 are electrically connected with the main amplifier and the warning lamp cap through leads.
The present embodiment can illustrate the functional principle thereof by the following operation modes:
when the device is used, the device is arranged at an entrance of a bridge, initially, the upper end surface of the pedal 7 is level with the upper end surface of the foundation 1 under the action of the elastic force of the return spring 5, and as shown in figure 3, one side of the half gear 12 without the rack is opposite to the second gear 13;
when an overweight vehicle runs onto the pedal 7, the pedal 7 moves downwards under the guiding action of the limiting mechanism, the pedal 7 drives the first gear 9 to rotate through the toothed plate 10, the first gear 9 drives the half gear 12 to rotate through the rotating rod 8, the half gear 12 continuously rotates so that the rack of the half gear is meshed with the second gear 13 and further drives the second gear 13 to rotate, the second gear 13 drives the permanent magnet disc 14 to synchronously rotate, magnetic flux in the conductive coil 15 below the permanent magnet disc is obviously changed along with the rotation of the permanent magnet disc 14, induced current is generated, and after the induced current is amplified by the main amplifier, the warning lamp holder on the portal frame 16 can be driven to work, so that a driver and a supervisor can be warned to pay attention to the overweight vehicle to stop, and the overweight vehicle is prevented from running onto the bridge;
when the vehicle is not overweight, the downward movement distance of the pedal 7 is smaller, the toothed plate 10 drives the first gear 9 to rotate by a smaller angle, so that the toothed rack on the half gear 12 cannot be meshed with the second gear 13, and the permanent magnetic disc 14 cannot be driven to rotate, the variation of the magnetic flux in the conductive coil 15 is smaller, the induced current generated by the conductive coil 15 is smaller, the warning lamp cap cannot be driven to work, and the vehicle can normally run on a bridge;
when no matter the vehicle is overweight or not overweight drives away from the pedal 7, the pedal 7 moves upwards under the action of the elastic force of the return spring 5 to return, and the pedal 7 drives the half gear 12 to return through the toothed plate 10 and the first gear 9, so that the subsequent vehicle can be continuously detected and warned.
Example 2
The present embodiment is different from embodiment 1 in that: the foundation 1 is symmetrically provided with pressurizing grooves 19, a piston plate 20 is hermetically and slidably connected in each pressurizing groove 19, the side wall of each half gear 12 is coaxially and fixedly provided with a reel 18, and a traction wire is fixedly connected between each reel 18 and the corresponding piston plate 20, a sealing sleeve is arranged between each traction wire and the foundation, whistle bodies 21 are symmetrically arranged on the foundation 1, an air duct 22 is communicated between each whistle body 21 and the corresponding pressurizing groove 19, a through hole is arranged between each air duct 22 and the wall of the corresponding placing groove 11, a T-shaped plate 23 is hermetically and slidably connected in each through hole, a limiting spring 24 is sleeved on each T-shaped plate 23, and both ends of each limit spring 24 are respectively fixedly connected with the T-shaped plate 23 and the groove wall of the placing groove 11, the permanent magnetic disc 14 is oval, and the T-shaped plate 23 is always pressed against the side wall of the permanent magnet disc 14 under the elastic force of the limiting spring 24.
The present embodiment can illustrate the functional principle thereof by the following operation modes:
initially, the T-shaped plate 23 abuts against the protruding end of the permanent magnet disc 14, and the T-shaped plate 23 closes the air duct 22, the pressurizing groove 19 is separated from the whistle 21, and when the overweight vehicle rotates the second gear 13 through the half gear 12, and the second gear 13 rotates the permanent magnet disc 14, the half-gear 12 simultaneously drives the reel 18 to rotate to wind the traction wire, and the traction wire drives the piston plate 20 to move downwards in the pressurizing groove 19, because the air duct 22 is blocked, the air between the groove wall of the pressurizing groove 19 and the lower end surface of the piston plate 20 is compressed to form high pressure, when the permanent magnetic disk 14 rotates, the T-shaped plate 23 moves along with the high pressure, the T-shaped plate 23 no longer blocks the air duct 22, so that the high-pressure air in the pressurizing groove 19 can enter the whistle body 21 through the air duct 22, and the whistle body 21 is blown to warn a driver to remind the driver of driving the vehicle to forbid getting on the bridge when the vehicle is overweight.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The utility model provides an overweight detection warning mechanism for bridge safety, includes ground (1), its characterized in that, mounting groove (2) have been seted up on ground (1), install footboard (7) through a plurality of stop gear in mounting groove (2), horizontal rotation installs bull stick (8) in mounting groove (2), evenly the cover is equipped with a plurality of first gears (9) on bull stick (8), footboard (7) lower extreme evenly is connected with a plurality of pinion rack (10) with first gear (9) meshing, standing groove (11) have been seted up to the symmetry on ground (1), and the both ends of bull stick (8) all extend to in the corresponding standing groove (11) and interference fit has half gear (12), every all install second gear (13) through the pivot rotation in standing groove (11), and every second gear (13) all meshes with corresponding half gear (12), every second gear (13) lateral wall all coaxial coupling has permanent magnetism dish (14), every all be equipped with on standing groove (11) the diapire with permanent magnetism dish (14) corresponding conductive coil (15), ground (1) up end is provided with warning piece (17) through portal frame (16).
2. The overweight detection and warning mechanism for bridge safety according to claim 1, wherein the limiting mechanism comprises a limiting groove (3) formed on the inner groove wall of the mounting groove (2), a polished rod (4) is vertically arranged in the limiting groove (3), a limiting block (6) is slidably sleeved on the polished rod (4), and one end of each limiting block (6) far away from the corresponding limiting groove (3) is fixedly connected to the pedal (7).
3. The mechanism of claim 2, wherein each polish rod (4) is sleeved with a return spring (5), and the upper and lower ends of each return spring (5) are respectively connected to the lower end face of the corresponding limiting block (6) and the inner bottom wall of the limiting groove (3).
4. An overweight detection and warning mechanism for bridge safety according to claim 1 wherein the warning member (17) comprises a warning lamp cap and a main amplifier, and the plurality of conductive coils (15) are all electrically connected with the main amplifier and the warning lamp cap through wires.
5. The overweight detection and warning mechanism for bridge safety according to claim 1, characterized in that the foundation (1) is symmetrically provided with pressure grooves (19), each pressure groove (19) is internally and hermetically and slidably connected with a piston plate (20), the side wall of each half gear (12) is coaxially provided with a reel (18), a traction line is connected between each reel (18) and the corresponding piston plate (20), the foundation (1) is symmetrically provided with whistle bodies (21), each whistle body (21) is communicated with the corresponding pressure groove (19) and provided with an air duct (22), a through hole is formed between each air duct (22) and the corresponding groove wall of the placing groove (11), each through hole is internally and hermetically and slidably connected with a T-shaped plate (23), and each T-shaped plate (23) is sleeved with a limit spring (24), the permanent magnetic disk (14) is oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010593193.1A CN111721387A (en) | 2020-06-26 | 2020-06-26 | Overweight detection warning mechanism for bridge safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010593193.1A CN111721387A (en) | 2020-06-26 | 2020-06-26 | Overweight detection warning mechanism for bridge safety |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111721387A true CN111721387A (en) | 2020-09-29 |
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ID=72568962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010593193.1A Withdrawn CN111721387A (en) | 2020-06-26 | 2020-06-26 | Overweight detection warning mechanism for bridge safety |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111721387A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113675777A (en) * | 2021-08-23 | 2021-11-19 | 江山市鑫源电气有限公司 | Intelligent locking anti-misoperation device and anti-misoperation ring main unit |
-
2020
- 2020-06-26 CN CN202010593193.1A patent/CN111721387A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113675777A (en) * | 2021-08-23 | 2021-11-19 | 江山市鑫源电气有限公司 | Intelligent locking anti-misoperation device and anti-misoperation ring main unit |
| CN113675777B (en) * | 2021-08-23 | 2023-09-12 | 江山市鑫源电气有限公司 | Intelligent locking error-preventing device and error-preventing ring main unit |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200929 |