CN114703775B - Road and bridge's limit is system of exceeding - Google Patents
Road and bridge's limit is system of exceeding Download PDFInfo
- Publication number
- CN114703775B CN114703775B CN202210400986.6A CN202210400986A CN114703775B CN 114703775 B CN114703775 B CN 114703775B CN 202210400986 A CN202210400986 A CN 202210400986A CN 114703775 B CN114703775 B CN 114703775B
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- bottom plate
- vehicle
- passing
- road
- jack
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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
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
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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
- E01F11/00—Road engineering aspects of Embedding pads or other sensitive devices in paving or other road surfaces, e.g. traffic detectors, vehicle-operated pressure-sensitive actuators, devices for monitoring atmospheric or road conditions
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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
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/12—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions for forcibly arresting or disabling vehicles, e.g. spiked mats
- E01F13/126—Pitfall barriers, causing the vehicle to face a step-like obstruction
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the technical field of traffic safety, and discloses an over-limit system for a road and a bridge, which comprises a bottom plate, a passing frame and a jack, wherein the bottom plate is provided with a plurality of through holes; the passing frame comprises an elevation limiting frame and two width limiting frames which are oppositely arranged on the bottom plate, and the elevation limiting frame is connected between the two width limiting frames; the bottom plate is arranged on the passing ground and is used for being rotatably connected with the passing ground, a sinking space is arranged on the passing ground at the lower part of the front end of the bottom plate, and when the bottom plate rotates relative to the passing ground, the front end of the bottom plate can move downwards to the sinking space, so that a height difference is formed between the front end of the bottom plate and the passing ground; the jacks are respectively arranged below the front end of the bottom plate and the rear end of the bottom plate, and each jack is hinged with the bottom plate. The road and bridge over-limit system can limit the height, width and weight of the vehicle at the same time, and limit the vehicle when any one of the height, width and weight is not in accordance with the requirements, so that the vehicle is prevented from being jammed.
Description
Technical Field
The invention relates to the technical field of traffic safety, in particular to an over-limit system for roads and bridges.
Background
In recent years, accidents such as bridge collapse or rollover due to vehicle overload often occur, and accidents caused by overrun of roads and bridges are often prohibited. In general, roads and bridges have limitations on the height, width and weight of passing vehicles, and therefore, devices for detecting the height, weight and width of a vehicle are generally provided before the vehicle passes, preventing the vehicle from being overweight, supertall and superwide. However, the existing vehicle overrun prevention usually needs a plurality of limiting devices, for example, a single device is needed for height limitation and width limitation, and weight limitation needs to be carried out by additionally arranging a device for weight measurement and limitation, so that the cost is high.
Disclosure of Invention
The invention aims to provide an over-limit system for a road and a bridge, which can limit the height, width and weight of a vehicle and prevent the vehicle from being jammed.
In order to achieve the aim, the invention provides an over-limit system for a road and a bridge, which comprises a bottom plate, a passing frame and a jack, wherein the bottom plate is provided with a plurality of through holes;
the passing frame comprises an elevation limiting frame and two width limiting frames which are oppositely arranged on the bottom plate, and the elevation limiting frame is connected between the two width limiting frames;
the bottom plate is arranged on the passing ground and is used for being rotatably connected with the passing ground, a sinking space is arranged on the passing ground at the lower part of the front end of the bottom plate, and when the bottom plate rotates relative to the passing ground, the front end of the bottom plate can move downwards to the sinking space, so that a height difference is formed between the front end of the bottom plate and the passing ground;
the lifting jacks are respectively arranged below the front end of the bottom plate and below the rear end of the bottom plate, and each lifting jack is hinged to the bottom plate.
Furthermore, the road and bridge excess-limiting system further comprises a pressure detection device, and the pressure detection device is used for detecting the pressure borne by the jack positioned below the front end of the bottom plate.
Furthermore, the road and bridge over-limit system further comprises a controller, and the controller is electrically connected with the pressure detection device and the switch valve of each jack respectively.
Furthermore, the road and bridge excess limit system further comprises an alarm electrically connected with the controller.
Furthermore, the middle part of the bottom plate is provided with a rotating shaft which is rotationally connected with the passing ground.
Further, the surface of the passing ground positioned below the bottom plate extends forwards and downwards from the rotating shaft.
Furthermore, the width limiting frame is in an inverted V shape.
Furthermore, a deceleration strip is arranged on the upper surface of the front end of the bottom plate.
Furthermore, a drainage ditch is arranged in the sinking space.
Furthermore, the above-mentioned limit of road and bridge system of exceeding still includes locate respectively limit for height the display screen and the camera of frame top.
Compared with the prior art, the road and bridge limit system provided by the technical scheme has the beneficial effects that: the height limiting frame and the width limiting frame are used for limiting the height and the width of a vehicle, the bottom plate is arranged on the passing ground, the bottom plate and the passing frame jointly form a passing channel of the vehicle, when a front wheel of the vehicle runs to the front end of the bottom plate, if the overweight of the vehicle is detected, a jack positioned at the front end of the bottom plate moves downwards, a jack positioned at the rear end of the bottom plate moves upwards, the bottom plate integrally inclines to rotate around the passing ground, the front wheel of the vehicle sinks into a sinking space, and the rear end of the bottom plate is lifted to block the rear wheel of the vehicle, so that the front wheel and the rear wheel of the vehicle are simultaneously blocked and clamped, and the vehicle is limited to pass; therefore, the road and bridge over-limit system can limit the height, width and weight of the vehicle at the same time, and limit the vehicle when any one of the height, the width and the weight is not in accordance with the requirements, so that the vehicle is prevented from being jammed.
Drawings
FIG. 1 is a front view of an over-limit system for a road bridge according to an embodiment of the present invention;
FIG. 2 is a side view of an over-limit system for a road bridge according to an embodiment of the present invention;
FIG. 3 is a schematic view of an over-limit system for a road bridge according to an embodiment of the present invention when the vehicle is overweight;
FIG. 4 is a schematic diagram of the over-limit system for road and bridge according to the embodiment of the present invention applied to the starting point of the ascending position of the approach bridge;
fig. 5 and 6 are schematic diagrams of the overload limiting system of the road and bridge according to the embodiment of the invention, which is used for forced passing when the vehicle is overweight.
The system comprises a base plate 1, a passage frame 2, an elevation limiting frame 21, a width limiting frame 22, a jack 3, a passage ground 4, a sinking space 5, a pressure detection device 6, a rotating shaft 7, a speed reduction belt 8, a drainage ditch 9, a display screen 101, an inspection well 102 and a foam plate 103.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "central", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., used herein are used in the orientation or positional relationship indicated in the drawings, which are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 4, an embodiment of the invention provides an over-limit system for a road and bridge, which includes a bottom plate 1, a passing frame 2 and a jack 3, wherein tires of passing vehicles pass through the bottom plate 1, the passing vehicles need to pass through the passing frame 2 when passing, and the jack 3 acts on the bottom plate 1; the overrun limiting system for the road and the bridge is particularly suitable for overrun of a large truck or a large passenger car, and the application scenes can be road pavements, bridge approach entrances and approach uphill starting points, wherein fig. 1 and fig. 2 show schematic diagrams when the overrun limiting system is applied to the road pavements and the bridge approach entrances, and fig. 4 shows a schematic diagram when the overrun limiting system is applied to the approach uphill starting points.
The passing frame 2 comprises an height limiting frame 21 and two width limiting frames 22 arranged on the bottom plate 1 oppositely, the height limiting frame 21 is connected between the two width limiting frames 22, a space for a vehicle to pass is formed by enclosing the height limiting frame 21, the bottom plate 1 and the two width limiting frames 22, and when the vehicle passes, the vehicle cannot pass through if the width of the vehicle is larger than the width between the two width limiting frames 22, or cannot pass through if the height of the vehicle is higher than the height of the height limiting frame 21.
As shown in fig. 1 to 4, the bottom plate 1 is configured to be disposed on a traffic ground 4, the traffic ground 4 may be a road surface, a bridge approach entrance road surface or a road surface at an approach ascending starting point, the bottom plate 1 is configured to be rotatably connected with the traffic ground 4, a direction of a rotating shaft 7 of the rotatable connection is consistent with a vehicle width direction when a vehicle passes through, the traffic ground 4 is provided with a sinking space 5 at a lower portion of a front end of the bottom plate 1, and when the bottom plate 1 rotates relative to the traffic ground 4, the front end of the bottom plate 1 can move downward to the sinking space 5, so that a height difference is formed between the front end of the bottom plate 1 and the traffic ground 4. The sinking space 5 is formed by making the passing ground 4 concave, as shown in fig. 3, when the vehicle is overweight, the front end of the bottom plate 1 moves downwards, the front wheel of the vehicle on the bottom plate 1 also sinks, the front wheel is clamped in the sinking space 5 and forms a height difference with the front road surface, the rear end of the bottom plate 1 tilts upwards to jack the rear wheel of the vehicle, therefore, the front wheel and the rear wheel are limited at the same time, and the vehicle can not advance. The bottom plate 1 is similar to a seesaw when rotating, and when the vehicle meets the passing condition, the bottom plate 1 can be arranged to be level with the surrounding road surface.
When the vehicle is not overloaded but does not meet the requirements of height limitation or width limitation, if the vehicle continues to move ahead after touching the height limitation frame 21 or the width limitation frame 22, the acting force of the vehicle on the height limitation frame 21 or the width limitation frame 22 is transmitted to the bottom plate 1, so that the bottom plate 1 bears downward pressure and becomes large until the pressure which exceeds the requirements of overweight, the bottom plate 1 rotates relative to the passing ground 4, the front wheels sink to the sinking space 5, the rear end of the bottom plate 1 tilts upwards to block the rear wheels, and the vehicle passing can be limited as well.
As shown in fig. 1 to 4, jacks 3 are respectively arranged below the front end of the bottom plate 1 and below the rear end of the bottom plate 1, and each jack 3 is hinged to the bottom plate 1. Wherein, the jack 3 positioned below the front end of the bottom plate 1 is in a jacking state under the normal condition, and the jack 3 positioned below the rear end of the bottom plate 1 is in a contraction state under the normal condition, so that the bottom plate 1 is kept flush with the surrounding road surface; when the vehicle is out of limit, the jack 3 at the front end drives the front end of the bottom plate 1 to contract downwards, and the jack 3 at the rear end jacks the rear end of the bottom plate 1 upwards, so that the bottom plate 1 rotates relative to the passing ground 4.
Based on the scheme, the height and the width of the vehicle are limited by the height limiting frame 21 and the width limiting frame 22, the bottom plate 1 is arranged on the passing ground 4, the bottom plate 1 and the passing frame 2 jointly form a passing channel of the vehicle, when the front wheel of the vehicle runs to the front end of the bottom plate 1, if the overweight of the vehicle is detected, the jack 3 at the front end of the bottom plate 1 moves downwards, the jack 3 at the rear end of the bottom plate 1 moves upwards, the bottom plate 1 integrally inclines and rotates around the passing ground 4, the front wheel of the vehicle sinks into the sinking space 5, and the rear wheel of the vehicle is blocked after the rear end of the bottom plate 1 tilts, so that the state that the front wheel and the rear wheel of the vehicle are simultaneously blocked is formed, and the vehicle passing is limited; therefore, the road and bridge over-limit system can limit the height, the width and the weight of the vehicle at the same time, limit the vehicle when any one of the height, the width and the weight does not meet the requirements, and prevent the vehicle from being jammed.
Further, as shown in fig. 1 to 4, the over-limit system for a road and bridge of the present embodiment further includes a pressure detection device 6, where the pressure detection device 6 is configured to detect a pressure borne by the jack 3 located below the front end of the bottom plate 1. Wherein, the pressure detection device 6 can be a pressure gauge which is communicated with the oil cylinder of the jack 3. The pressure gauge valve is equivalent to a safety valve, and the valve automatically opens to form a passage when the weight exceeds a threshold value, so that the hydraulic jack 3 starts to work. The access well 102 is reserved in the passing ground 4, and the reset pressure gauge can be overhauled at any time.
Further, the road and bridge over-limit system of the embodiment further comprises a controller, and the controller is electrically connected with the pressure detection device 6 and the switch valves of the jacks 3 respectively. The pressure detection device 6 transmits the detection data to the controller, the controller judges whether the detected pressure value exceeds a preset value, and the controller controls the corresponding jack 3 to act through the switch valve when the detected pressure value exceeds the preset value.
Furthermore, the road and bridge's of this embodiment limit is exceeded the system and is still included the alarm that is connected with the controller electricity, when the controller judges that pressure exceeds the default, starts the alarm and reports to the police to let the traffic police arrive on-the-spot command and handle in time.
Further, as shown in fig. 2 to 4, a rotating shaft 7 rotatably connected with the passing ground 4 is provided at the middle of the bottom plate 1. Specifically, the left and right sides of the bottom plate 1 are respectively provided with a rotating shaft 7, so that the bottom plate 1 rotates around the vehicle width direction.
Further, as shown in fig. 1 to 4, in the present embodiment, the surface of the passing ground 4 located below the bottom plate 1 extends forward and downward from the rotating shaft 7, so that the sinking space 5 is triangular, and the front end of the bottom plate 1 is convenient to rotate and sink.
Further, as shown in fig. 1 to 4, in the present embodiment, the width limiting frame 22 is in an inverted V shape, and the width limiting frame 22 and the bottom plate 1 form a triangular space, so that stability is provided, and the width limiting frame is clamped by the passing frame 2 when the vehicle passes through an ultra-wide or ultra-high force, and the triangular shape is beneficial to transmitting force to the bottom plate 1, so that the bottom plate 1 rotates.
Further, as shown in fig. 1 to 4, in this embodiment, a deceleration strip 8 is disposed on the upper surface of the front end of the bottom plate 1, on one hand, the deceleration strip 8 is used for preventing the vehicle from speeding, on the other hand, pressure generated by vibration superimposed on the weight of the vehicle when the vehicle passes through the deceleration strip 8 is also transmitted to the lower jack 3 and detected by the pressure detection device 6, if the pressure exceeds the limit weight limit of the road or bridge and the switch valve is automatically opened after the pressure exceeds the overpressure, the jack 3 of the front sinking space 5 will descend, and the rear jack 3 generates upward jacking force by hydraulic pressure, so that the bottom plate 1 is integrally inclined.
Further, as shown in fig. 2, in order to facilitate drainage of the subsidence space 5, a drainage ditch 9 is provided in the subsidence space 5. In addition, a waterproof facility can be arranged between the front end face of the bottom plate 1 and the side face of the passing ground 4 at the front side, for example, a foam plate 103 is arranged between the front end face of the bottom edge and the passing ground 4, so that rainwater can be prevented from entering the sinking space 5, and the road surface can be prevented from being damaged by collision of wheels when the vehicle is over-limited and blocked.
Further, the limit exceeding system of road and bridge of this embodiment still includes and locates respectively display screen 101 and the camera of limit for height frame 21 top can be used to show the overrun requirement in highway section on the display screen 101, warns the driver.
In addition, after the vehicle is stopped due to overrun, the stopped vehicle is pulled backwards, the bottom plate 1 is reset along with the action of the jack 3 and then is leveled, and the pressure detection device 6 is reset, so that the system can be recovered. Specifically, the jacks 3 in the front and the rear of the bottom plate are communicated through hydraulic pressure, the circulation is stopped only through a valve of a pressure gauge, when the pressure exceeds the hydraulic pressure of the pressure gauge, the front jack 3 bears the pressure and sinks, and the rear jack rises. The system needs to reset after handling the accident, and only needs to press the bottom plate 1 downwards in the rear direction (namely, drag the vehicle back), and reset after the liquid is supplemented to the front jack 3, and then the pressure gauge and the valve are adjusted again.
As shown in fig. 5 and 6, if the vehicle is forced to advance after exceeding the limit, the bottom plate 1 will break at the rotating shaft, and the whole passing frame 2 will be driven to sink, and at this time, the height limiting frame 21 will clamp the roof of the traveling vehicle, causing difficulty in advancing, and further preventing the vehicle from being jammed.
In summary, the embodiment of the present invention provides an over-limit system for roads and bridges, which can achieve the effects of speed reduction, width limitation, height limitation and weight limitation at the same time, and save the cost; the function of preventing the vehicle from continuously passing can be achieved under the condition that the vehicle has three overrun states or one overrun state; the road and bridge overtaking limiting system can be independently arranged by lanes or can be arranged by multi-lane linkage.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (5)
1. An over-limit system of a road and a bridge is characterized by comprising a bottom plate, a through frame and a jack;
the passing frame comprises an elevation limiting frame and two width limiting frames oppositely arranged on the bottom plate, and the elevation limiting frame is connected between the two width limiting frames;
the bottom plate is arranged on the passing ground and is used for being rotatably connected with the passing ground, a sinking space is arranged on the passing ground at the lower part of the front end of the bottom plate, and when the bottom plate rotates relative to the passing ground, the front end of the bottom plate can move downwards to the sinking space, so that a height difference is formed between the front end of the bottom plate and the passing ground;
the jacks are respectively arranged below the front end of the bottom plate and the rear end of the bottom plate, and are hinged with the bottom plate;
the jack is characterized by further comprising a pressure detection device, wherein the pressure detection device is used for detecting the pressure borne by the jack below the front end of the bottom plate;
if the vehicle is detected to be overweight, the jack positioned at the front end of the bottom plate moves downwards, the jack positioned at the rear end of the bottom plate moves upwards, the bottom plate is integrally inclined to rotate around the passing ground, so that the front wheel of the vehicle sinks into the sinking space, and the rear end of the bottom plate is tilted to block the rear wheel of the vehicle, so that the state that the front wheel and the rear wheel of the vehicle are simultaneously blocked and clamped is formed, and the vehicle is limited to pass;
the controller is electrically connected with the pressure detection device and the switch valve of each jack respectively;
the middle part of the bottom plate is provided with a rotating shaft which is rotatably connected with the passing ground;
the width limiting frame is in an inverted V shape;
and a deceleration strip is arranged on the upper surface of the front end of the bottom plate.
2. The road and bridge overrunning limit system of claim 1, further comprising an alarm electrically connected to the controller.
3. The road and bridge overrunning limiting system of claim 1, wherein the surface of the access surface below the floor extends forwardly and downwardly from the pivot.
4. The road and bridge excess limit system of claim 1, wherein a drainage ditch is provided in the subsidence space.
5. The road and bridge excess limit system of claim 1, further comprising a display screen and a camera respectively disposed above the elevation limit frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210400986.6A CN114703775B (en) | 2022-04-15 | 2022-04-15 | Road and bridge's limit is system of exceeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210400986.6A CN114703775B (en) | 2022-04-15 | 2022-04-15 | Road and bridge's limit is system of exceeding |
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| Publication Number | Publication Date |
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| CN114703775A CN114703775A (en) | 2022-07-05 |
| CN114703775B true CN114703775B (en) | 2023-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210400986.6A Active CN114703775B (en) | 2022-04-15 | 2022-04-15 | Road and bridge's limit is system of exceeding |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115182282B (en) * | 2022-07-08 | 2024-02-09 | 广西交科集团有限公司 | Vehicle passing intelligent supervision system for maintaining bridge health |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206524A (en) * | 2020-02-28 | 2020-05-29 | 符原菁 | Method for automatically limiting vehicle carrying weight by using lever principle |
| CN112796256A (en) * | 2020-12-31 | 2021-05-14 | 河海大学 | Friction turnover type road and bridge overload prevention safety device and operation method thereof |
| CN214061397U (en) * | 2020-02-20 | 2021-08-27 | 孙永常 | A freight train intelligence overrun overload vehicle restriction device for protecting highway and bridge |
| CN214695296U (en) * | 2020-08-28 | 2021-11-12 | 江西晟铭建设工程有限公司 | Height limiting device for road |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205954519U (en) * | 2016-07-12 | 2017-02-15 | 傅慧芳 | Wane obstructs formula road limit for height frame |
| US10287735B2 (en) * | 2017-08-24 | 2019-05-14 | Pedro Bento Collier, JR. | Vehicle arrestor system |
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- 2022-04-15 CN CN202210400986.6A patent/CN114703775B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214061397U (en) * | 2020-02-20 | 2021-08-27 | 孙永常 | A freight train intelligence overrun overload vehicle restriction device for protecting highway and bridge |
| CN111206524A (en) * | 2020-02-28 | 2020-05-29 | 符原菁 | Method for automatically limiting vehicle carrying weight by using lever principle |
| CN214695296U (en) * | 2020-08-28 | 2021-11-12 | 江西晟铭建设工程有限公司 | Height limiting device for road |
| CN112796256A (en) * | 2020-12-31 | 2021-05-14 | 河海大学 | Friction turnover type road and bridge overload prevention safety device and operation method thereof |
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