CN210597100U - Road height limiting device - Google Patents
Road height limiting device Download PDFInfo
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- CN210597100U CN210597100U CN201921038175.6U CN201921038175U CN210597100U CN 210597100 U CN210597100 U CN 210597100U CN 201921038175 U CN201921038175 U CN 201921038175U CN 210597100 U CN210597100 U CN 210597100U
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Abstract
The utility model relates to a traffic facilities field, road limit for height device is including fixed limit for height frame and touching reminding device, fixed limit for height is put up including the limit for height roof beam, the limit for height roof beam stretches in first orbit top, touching reminding device and fixed limit for height put up along first orbit interval distribution, touching reminding device is including the installation base member, touching warning piece and one-way locking mechanical system, the upper end of touching warning piece is rotationally installed on the installation base member, the lower extreme of touching warning piece hangs in first orbit top, one-way locking mechanical system installs in installation base member and touching between reminding piece, the upset of fixed limit for height of base member orientation can be relatively installed to touching warning piece. The collision of the touch reminding piece and the ultrahigh vehicle can cause stronger sensory impact on a driver, the driver can be reminded of the ultrahigh vehicle more effectively, the collision damage of the touch reminding piece and the ultrahigh vehicle is small, the touch reminding piece cannot block the ultrahigh vehicle after the touch reminding piece collides with the ultrahigh vehicle, and the ultrahigh vehicle is convenient to rapidly withdraw from the touch reminding device.
Description
Technical Field
The utility model relates to a traffic facilities field specifically is to relate to a road height limiting device.
Background
The existing road height limiting device generally only comprises a fixed height limiting frame, the fixed height limiting frame is composed of two stand columns and a cross beam, the two stand columns are respectively fixed on two sides of a road, the cross beam stretches over the road, two ends of the cross beam are respectively fixed on the two stand columns, the stand columns and the cross beam are both steel structures, the road height limiting device limits the height of a passing vehicle through the cross beam by force, and a driver is informed of the height limiting height through pasting a label on the cross beam or the stand column.
On the one hand, however, the actual height of the cross beam from the road surface may not be consistent with the height displayed by the label, and the reasons for this phenomenon may be many, such as measurement deviation, construction deviation, and failure to update the road height limiting device in time during road surface reworking; on the other hand, the actual height of the vehicle also varies depending on factors such as the load capacity and the tire air pressure, and for example, the vehicle height increases as the vehicle load becomes smaller, and for example, the vehicle height also increases as the tire air pressure becomes higher.
This makes it easy for the vehicle to mistakenly break the road height limiting device.
Disclosure of Invention
The utility model aims at providing a be favorable to reducing the road limit for height device that the vehicle mistake was rushed the possibility.
In order to achieve the purpose, the utility model provides a road height limiting device is including fixed height limiting frame and touching reminding device, fixed height limiting frame is including the height limiting beam, the height limiting beam stretches in first orbit top, touching reminding device and fixed height limiting frame are along first orbit interval distribution, touching reminding device is including the installation base member, touching warning piece and one-way locking mechanical system, the upper end of touching warning piece is rotationally installed on the installation base member, the lower extreme of touching warning piece hangs in first orbit top, one-way locking mechanical system installs in installation base member and touching between reminding piece, the upset of fixed height limiting frame is faced towards to touching warning piece ability relative installation base member, the gyration of touching warning piece after one-way locking mechanical system restriction upset.
From the above, the utility model discloses a to the structural design of road limit for height device, first orbit is the extension orbit of road, when having super high vehicle mistake to rush road limit for height device, super high vehicle can arrive touching reminding device at first, super high vehicle collides with touching reminding piece, remind driver's vehicle superelevation through the collision of touching reminding piece and super high vehicle, avoid the vehicle to continue to advance to collide the fixed limit for height frame, compare with the warning of sound and demonstration, the collision of touching reminding piece and super high vehicle can cause stronger sense organ impact to the driver, can remind driver's vehicle superelevation more effectively; because touching warning piece rotationally installs on the installation base member, consequently at super high vehicle and the collision back of touching warning piece, the touching warning piece can be towards fixed limit for height quick rotation, is favorable to reducing the collision damage of touching warning piece and super high vehicle, and the touching warning piece is towards fixed limit for height upset finger: the touch reminding piece rotates after colliding with the ultrahigh vehicle, the lower end of the touch reminding piece swings towards one side of the fixed height limiting frame, and the height of the touch reminding piece from the first track is increased along with the increase of the swing angle; moreover, due to the arrangement of the one-way locking mechanism, the touch reminding piece is locked at the overturned position by the one-way locking mechanism after being collided and overturned, so that the touch reminding piece is separated from the contact with the ultrahigh vehicle after being collided, the touch reminding piece is prevented from continuously interfering the movement of the ultrahigh vehicle, the touch reminding piece is prevented from colliding with the ultrahigh vehicle again, the ultrahigh vehicle can be conveniently and smoothly withdrawn from the touch reminding device, and the collision damage of the touch reminding piece and the ultrahigh vehicle can be conveniently reduced; in addition, the one-way locking mechanism is adopted, the locking of the touch reminding piece is controlled in an electric control mode, the structure of the touch reminding device is simple, the control mode of the touch reminding device is simple, and the locking stability of the touch reminding piece is improved.
The controller is in communication connection with the ultrahigh detection device, and the ultrahigh detection device, the touch reminding device and the fixed height limiting frame are sequentially distributed at intervals along the first track.
The system further comprises a visual reminding device, wherein the visual reminding device is in communication connection with the controller; and/or, the device also comprises an auditory reminding device which is connected with the controller in a communication way.
It can be seen from the above that, because the collision of superelevation vehicle and touching warning piece all has certain damage to superelevation vehicle and touching warning piece, consequently set up vision reminding device and sense of hearing reminding device, after superelevation detection device detected the vehicle superelevation like this, at first remind the driver vehicle superelevation through vision reminding device and sense of hearing reminding device, if the driver notices the warning of vision reminding device or sense of hearing reminding device and in time takes measures then can avoid superelevation vehicle and touching warning piece collision, be favorable to reducing the collision probability of superelevation vehicle and touching warning piece, reduce superelevation vehicle and touching warning piece and receive the possibility of collision damage.
The one-way locking mechanism comprises a ratchet wheel and pawl mechanism, and a ratchet wheel of the ratchet wheel and pawl mechanism is fixed on the rotating shaft; the ratchet wheel is characterized by further comprising a driving mechanism, the driving mechanism is installed on the installation base body and can drive the pawl to be taken out of the tooth groove of the ratchet wheel, and the driving mechanism is electrically connected with the controller.
Therefore, when the touch reminding piece is not collided, the pawl extends into the tooth groove of the ratchet wheel; after the touch reminding piece is collided, the touch reminding piece and the ratchet wheel rotate relative to the pawl, when the touch reminding piece rotates until kinetic energy is exhausted or rotates until the touch reminding piece contacts with the installation base body, the touch reminding piece stops rotating, the touch reminding piece is separated from the ultrahigh vehicle, the pawl is still clamped in a tooth groove of the ratchet wheel, and the touch reminding piece and the ratchet wheel cannot rotate; after the ultrahigh vehicle is removed from the touch reminding device, the controller controls the driving piece to act, the driving piece drives the pawl to be taken out from the tooth groove of the ratchet wheel, the touch reminding piece is restored to the initial position under the action of gravity under the condition that the limitation of the ratchet wheel and pawl mechanism is not provided, then the controller controls the driving piece to drive the pawl to be inserted back into the tooth groove of the ratchet wheel, or the controller controls the driving piece to stop driving the pawl, and the pawl freely falls back into the size of the ratchet wheel under the action of gravity; the ultrahigh vehicle evacuation touch reminding device is determined to be that the vehicle continues to move forwards and passes through the touch reminding device, and is separated from the whole road height limiting device according to a set detour path, or the ultrahigh vehicle backs out of the touch reminding device; whether the ultrahigh vehicle is evacuated from the touch reminding device can be detected through the ultrahigh detection device, a sensor can be additionally arranged for detection, the time for controlling the touch reminding piece to recover to the initial state is found through the detection, of course, the time for controlling the touch reminding piece to recover to the initial state can be controlled through a preset time mode, the ultrahigh vehicle is determined to have separated from the touch reminding device after the touch reminding device is locked for a set time, and then the touch reminding piece is controlled to recover to the initial state.
The driving mechanism is a pressure cylinder, the cylinder body of the pressure cylinder is arranged on the installation base body, and the pawl is fixed with the piston of the pressure cylinder; or the driving mechanism is an electromagnet, the electromagnet is fixed on the mounting base body, the pawl is slidably mounted on the mounting base body, the electromagnet is positioned at one end of the pawl along the sliding direction of the pawl, and the ratchet wheel is positioned at the other end of the pawl.
The pressure cylinder can be a hydraulic cylinder or a pneumatic cylinder, preferably the pressure cylinder is a pneumatic cylinder, the pawl can be fixed on a piston rod of the pressure cylinder, or the piston rod can be directly used as the pawl, when the touch reminding piece is not collided, the piston rod is inserted into a tooth space of the ratchet wheel, after the touch reminding piece is collided, the touch reminding piece and the ratchet wheel rotate together, when the touch reminding piece rotates until kinetic energy is exhausted or rotates to touch with the installation base body, the touch reminding piece stops rotating, at the moment, the touch reminding piece is separated from the ultrahigh vehicle, the piston rod is still clamped in the tooth space of the ratchet wheel, and under the limitation of the piston rod, the touch reminding piece and the ratchet wheel cannot rotate; when the vehicle is separated from the touch reminding device, the piston rod is controlled to retract by adjusting the pressure in the cylinder body, so that the piston rod is separated from the contact with the ratchet wheel, and the touch reminding piece smoothly restores to the initial state under the action of gravity; the working process of driving the slidable pawl by the electromagnet is similar to that of the pressure cylinder, and the details are not repeated.
It is further preferred that the one-way locking mechanism comprises a ratchet-pawl mechanism or the one-way locking mechanism comprises a one-way bearing.
From above, one-way bearing and ratchet pawl mechanism homoenergetic realize the function to the one-way locking of touching warning piece.
Still another preferred scheme is, still include license plate recognition device, license plate recognition device and controller communication connection.
Therefore, the driver can be accurately prompted that the vehicle is ultrahigh by displaying or broadcasting the ultrahigh vehicle license plate number, the attention of the driver is further facilitated, the driver can take measures as soon as possible, and the possibility that the vehicle travels to the touch reminding device is further reduced.
Still preferably, the touch reminder device further comprises a lifting mechanism, the touch reminder is rotatably mounted on a lifting part of the lifting mechanism, and a fixing part of the lifting mechanism is mounted on the mounting base body.
It is thus clear that on the one hand, be favorable to touching reminding device to adapt to different limit for height, on the other hand, also can avoid touching the current that reminds the board to influence the vehicle through heightening the second crossbeam when touching the warning piece is damaged by the striking.
In a further preferred embodiment, the first trajectory is an extended trajectory of the road.
It is also preferable that the height limit beam has the same height limit as the height limit of the touch reminder.
Drawings
FIG. 1 is a structural diagram of a first embodiment of a road height limiter according to the present invention;
FIG. 2 is a structural diagram of a variation of the embodiment of the road height limiter of the present invention;
FIG. 3 is a structural diagram of a first embodiment of a road height limiter according to the present invention, wherein the first embodiment of the road height limiter comprises a touch reminding board and a one-way locking mechanism;
FIG. 4 is a locking state diagram of the first embodiment of the road height limiter of the present invention after collision between the touch panel and the one-way locking mechanism;
FIG. 5 is a structural diagram of the second embodiment of the road height limiter of the present invention, wherein the touch panel and the one-way locking mechanism are in the initial state;
fig. 6 is a locking state diagram of the one-way locking mechanism and the touch reminding plate in the second embodiment of the road height limiter of the present invention after being collided;
fig. 7 is a structural diagram of the initial state of the touch reminding plate and the one-way locking mechanism in the second modification of the embodiment of the road height limiter of the present invention;
fig. 8 is a locking state diagram of the collision-free touch reminding board and the one-way locking mechanism in the second modification of the embodiment of the road height limiter.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
The first embodiment of the road height limiting device:
the road height limiting device of the present embodiment is installed above the road 4 and used for limiting the passing height of the vehicles, and the present embodiment is described with reference to the road 4.
The present embodiment will be described using the coordinate system shown in fig. 1, and as shown in fig. 1, the road 4 is assumed to extend in the X-axis direction, and the traveling direction of the vehicle on the road 4 is assumed to be the X-axis forward direction.
Referring to fig. 1, the road height limiting device includes an ultrahigh detection device 1, an audio-visual reminding device 5, a touch reminding device 2, a fixed height limiting frame 3 and a controller (not shown in the figure). Superelevation detection device 1, touching reminding device 2 and fixed height limit frame 3 are along X axle positive direction interval distribution in proper order, for example fixed height limit frame 3 and touching reminding device 2 are at X axle direction interval 50 meters, and touching reminding device 2 and superelevation detection device 1 are at X axle direction interval 50 meters.
Referring to fig. 1, the ultrahigh detection device 1 includes two first columns 11, the two first columns 11 are respectively erected on two sides of the road 4, the length direction of the first columns 11 is along the Z-axis direction, the two first columns 11 are both provided with laser detectors 13, the laser detectors 13 on the two first columns 11 form laser correlation detectors, the distance H1 between a laser beam and a road surface is equal to the height limit height of the road height limit device, the laser correlation detectors are in communication connection with a controller, and the laser correlation detectors transmit information on whether an ultrahigh vehicle intrudes between the two first columns 11 to the controller; specifically, two beams 12 are respectively fixed on two first columns 11, the length direction of the beams 12 is along the X direction, two laser detectors 13 are respectively installed at two ends of the two beams 12, the laser detectors 13 on the two beams 12 form two groups of laser correlation detectors, and the two groups of laser correlation detectors jointly detect the ultrahigh vehicle.
Referring to fig. 1, the audiovisual reminding device 5 includes a warning light (not shown in the figure), a display screen 51, a speaker 52, and the like, the audiovisual reminding device 5 is in communication connection with the controller, when the controller receives that an ultrahigh vehicle invades between two first pillars 11, the controller controls the audiovisual reminding device 5 to remind the driver, and the reminding type may be that the display screen 51 displays a text prompt, the warning light flashes, the speaker 52 plays a prompt, or a comprehensive prompt formed by a combination of the above prompting modes.
Referring to fig. 1 and 2, the touch reminder 2 includes a first cross beam 21, a second cross beam 22, a touch reminder 23, two lifting mechanisms and two second columns 24, the two second columns 24 are respectively erected on two sides of the road 4, the length direction of the second columns 24 is along the Z-axis direction, the first cross beam 21, the second cross beam 22 and the rotation adjusting shaft 28 all span above the road 4 along the Y-axis direction, the second cross beam 22 is located below the first cross beam 21 along the Z-axis direction, and two ends of the first cross beam 21 are respectively fixedly connected with the two second columns 24.
Referring to fig. 1, the lifting mechanism includes two hydraulic cylinders 25, the two hydraulic cylinders 25 are respectively installed on the two second vertical columns 24, two ends of the second beam 22 are respectively fixed on piston rods 251 of the two hydraulic cylinders 25, and the lifting of the second beam 22 is adjusted by adjusting the extension and retraction of the piston rods 251; on the one hand, be favorable to touching reminding device 2 and adapt to different limit for height on the other hand, also can avoid touching reminding board 23 to influence the current of vehicle through heightening second crossbeam 22 when touching reminding board 23 is damaged by the striking like this. The display screen 51, the warning light and the horn 52 are all fixedly mounted on the first beam 21.
Alternatively, referring to fig. 2, the lifting mechanism may also be a combination of two ball screw mechanisms 27 and a rotation adjusting shaft 28, the number of the ball screw mechanisms 27 is two, the rotation adjusting shaft 28 is rotatably mounted on the first cross beam 21, the screw shafts 271 of the two ball screw mechanisms 27 are both in transmission connection with the rotation adjusting shaft 28, the two ball screw mechanisms 27 are in one-to-one correspondence with the two second columns 24, the screw shaft 271 of each ball screw mechanism 27 is rotatably mounted on the corresponding second column 24, both ends of the second cross beam 22 are respectively fixed with the balls 272 of the two lifting mechanisms, the rotation adjusting shaft 28 is rotatably mounted on the first cross beam 21, the rotation adjusting shaft 28 is respectively in transmission connection with the two screw shafts 271 through two sets of bevel gears 273, and a hand wheel 281 is fixed at one end of the rotation adjusting shaft 28 along the Y-axis direction. The second beam 22 is mounted on the ball 272 of the ball screw mechanism 27, and the two screw shafts 271 are driven to rotate synchronously by rotating the hand wheel 281, so as to adjust the height of the second beam 22. The motor is not adopted to drive the rotary adjusting shaft 28 to adjust the height of the second cross beam 22 in the technical scheme, mainly because the frequency of the height adjustment of the second cross beam 22 in the technical scheme is low, except the adjustment during the initial installation, the adjustment is generally only needed when the touch reminding plate 23 is damaged by impact, in addition, power equipment such as the motor is not adopted, the reliability of the touch reminding device 2 is favorably improved, the structure is favorable, and the manufacturing, use and maintenance costs of the touch reminding device 2 are saved.
Preferably, referring to fig. 1, a license plate recognition device 6 is mounted on the first cross beam 21, the license plate recognition device 6 is in communication connection with the controller, the license plate recognition device 6 recognizes the license plate number of the ultrahigh vehicle and then transmits the license plate number to the controller, and the controller controls the display screen 51 to display the license plate number of the ultrahigh vehicle or controls the speaker 52 to broadcast the license plate number of the ultrahigh vehicle, so as to accurately prompt a driver that the vehicle is ultrahigh.
Referring to fig. 1 to 4, a one-way locking mechanism 26 is installed between the second beam 22 and the touch reminder panel 23, the one-way locking mechanism 26 includes a ratchet wheel 261 and a pawl 262, two mounting protrusions (not shown in the figure) protrude downward from the second beam 22, a mounting shaft 231 is fixed to the upper end of the touch reminder panel 23, the axis of the mounting shaft 231 is along the Y-axis direction, and the mounting shaft 231 is installed on the two mounting protrusions through a bearing; a ratchet wheel 261 is fixed on the mounting shaft 231, a pawl 262 is mounted on the second cross beam 22, the pawl 262 is clamped in a tooth groove of the ratchet wheel 261 in an initial state that the touch reminding plate 23 does not collide with the ultra-high vehicle, the touch reminding plate 23 is naturally suspended below the second cross beam 22 (as shown in the state shown in fig. 1 and 3), the distance H2 between the lower end of the touch reminding plate 23 and the road surface is also equal to the height limit height of the road height limiting device, when the ultra-high vehicle tries to pass through, the ultra-high vehicle collides with the touch reminding plate 23, the touch reminding plate 23 rotates clockwise under the collision of the vehicle, and the driver is reminded that the vehicle is ultra-high through the collision of the ultra-high vehicle and the touch reminding plate 23; the clockwise rotated touch reminder 23 is separated from the ultrahigh vehicle, and referring to fig. 4, under the limitation of the one-way locking mechanism 26, the clockwise rotated touch reminder 23 cannot immediately rotate counterclockwise, so that the vehicle can be conveniently and smoothly withdrawn from the touch reminder 2.
Embodiment two of the road height limiting device:
referring to fig. 5 and 6, a columnar pawl 263 is slidably mounted on the second cross beam 22, the pawl 263 can slide along the Z-axis direction relative to the second cross beam 22, along the Z-axis direction, the ratchet 261 is located below the pawl 263, and an electromagnet 264 is disposed above the pawl; in the initial state that the touch reminding plate 23 does not collide with the ultrahigh vehicle, the pawl 263 is clamped in the tooth groove of the ratchet 261 under the action of gravity, the touch reminding plate 23 is naturally suspended below the second cross beam 22, the distance between the lower end of the touch reminding plate 23 and the road surface is also equal to the height limit height of the road height limit device, when the ultrahigh vehicle tries to pass through, the ultrahigh vehicle collides with the touch reminding plate 23, the touch reminding plate 23 rotates clockwise under the collision of the vehicle, and the driver is reminded of the ultrahigh vehicle through the collision of the vehicle and the touch reminding plate 23; under the limitation of the one-way locking mechanism 26, the clockwise rotating touch reminding plate 23 cannot immediately rotate anticlockwise, so that the vehicle can conveniently withdraw from the touch reminding device 2; in addition, after the laser correlation detector identifies that the ultrahigh vehicle exits the road height limiting device, the controller controls the electromagnet 264 to be electrified, the electromagnet 264 sucks the pawl 263, after the limit that the ratchet 261 is matched with the pawl 263 is avoided, the touch reminding plate 23 automatically returns to the initial state under the action of gravity, the electromagnet 264 is powered off after the touch reminding plate 23 returns, and the pawl 263 falls back and is clamped into the tooth groove of the ratchet 261 after the electromagnet 264 is powered off.
Alternatively, in addition to the pawl 263 being driven by the electromagnet 264, referring to fig. 7 and 8, the ratchet 261 may be stopped by a pressure cylinder 266, a piston rod 265 of the pressure cylinder 266 acting as a pawl, or a pawl fixed to the piston rod 265.
Alternatively, referring to fig. 7 and 8, the ratchet 261 may be a ratchet 261 with an incomplete tooth form, for example, the ratchet 261 has only one tooth form, or the ratchet 261 has only a partial tooth form, so long as the touch panel 23 is limited from falling back to contact with the super-high vehicle after the touch panel 23 collides and separates from the super-high vehicle, and therefore the purpose of the invention can be achieved by the ratchet 261 with an incomplete tooth form, and when the ratchet 261 has only one tooth form, the tooth form can be set on the ratchet 261
The fixed height limiting frame 3 comprises a third cross beam 32 and two third upright posts 31, the two third upright posts 31 are respectively erected on two sides of the road 4, the third cross beam 32 stretches over the road 4 along the Y-axis direction, two ends of the third cross beam 32 are respectively fixedly connected with the two third upright posts 31, and the distance H3 between the third cross beam 32 and the road surface is also equal to the height limiting height of the road height limiting device.
The vehicle moves on the road 4 along the X-axis forward direction, if the height of the vehicle is ultrahigh, when the vehicle passes through the ultrahigh detection device, the ultrahigh detection device 1 detects that the vehicle is ultrahigh, the ultrahigh detection device 1 transmits the information of the vehicle ultrahigh to the controller, the controller controls the display screen 51, the loudspeaker 52, the alarm lamp and the like to be turned on, so that the ultrahigh of the vehicle is reminded visually and aurally of a driver, the driver generally gives up passing after noticing the road height limiting device, but some drivers still can not notice the visual and auditory reminding, if the drivers do not respond to the visual and auditory reminding, the driver continues to move to the touch reminding device 2, the vehicle touches the touch reminding plate 23, and the driver is reminded of the ultrahigh of the vehicle through the collision of the vehicle and the touch reminding plate 23, so that the driver is further reminded of the ultrahigh of the vehicle.
Because the touch reminding plate 23 is rotatably mounted on the second cross beam 22 through the mounting shaft 231, the lower end of the touch reminding plate 23 can rotate towards the side close to the fixed height-limiting frame 3 under the collision of the vehicle, so that the impact force between the vehicle and the touch reminding plate 23 is not large, the vehicle and the touch reminding plate 23 are protected, the collision damage of the vehicle and the touch reminding plate 23 is reduced, and due to the arrangement of the one-way locking mechanism 26, the touch reminding plate 23 cannot immediately rotate, so that the height difference can be left between the touch reminding plate 23 and the vehicle at the moment in the Z-axis direction, the touch reminding plate 23 is prevented from blocking the vehicle to return, the vehicle can conveniently quit from the touch reminding device 2, after the vehicle quits from the touch reminding device 2, the controller controls the pawl 263 to fall back into the tooth grooves of the ratchet 261, and the touch reminding device 2 returns to the initial state.
Finally, it should be emphasized that the above-described embodiments are merely preferred examples of the present invention, and are not intended to limit the invention, as those skilled in the art will appreciate that various changes and modifications may be made, and any and all modifications, equivalents, and improvements made, while remaining within the spirit and principles of the present invention, are intended to be included within the scope of the present invention.
Claims (10)
1. Road limit for height device, including fixed limit for height frame, fixed limit for height frame is including limit for height roof beam, limit for height roof beam stretch in first orbit top, its characterized in that:
the height limiting device comprises a fixed height limiting frame, a mounting base body, a touch reminding piece and a one-way locking mechanism, wherein the fixed height limiting frame and the touch reminding device are distributed at intervals along the first track;
the touch reminding piece can be turned over relative to the installation base body towards the fixed height limiting frame, and the turning of the touch reminding piece after the turning is limited by the one-way locking mechanism.
2. The road height limiting device according to claim 1, characterized in that:
the height limiting device comprises a fixed height limiting frame and is characterized by further comprising a controller and a height limiting device, wherein the controller is in communication connection with the height limiting device, and the height limiting device, the touch reminding device and the fixed height limiting frame are sequentially distributed at intervals along the first track.
3. The road height limiting device according to claim 2, characterized in that:
the visual reminding device is in communication connection with the controller; and/or, the device also comprises an auditory reminding device which is connected with the controller in a communication way.
4. A road height limiting device according to claim 2 or 3, characterized in that:
a rotating shaft is fixed at the upper end of the touch reminding piece and is rotatably arranged on the mounting base body, the one-way locking mechanism comprises a ratchet wheel and pawl mechanism, and a ratchet wheel of the ratchet wheel and pawl mechanism is fixed on the rotating shaft;
the ratchet wheel is characterized by further comprising a driving mechanism, the driving mechanism is mounted on the mounting base body and can drive the pawl to be taken out of the tooth groove of the ratchet wheel, and the driving mechanism is electrically connected with the controller.
5. The road height limiting device according to claim 4, wherein:
the driving mechanism is a pressure cylinder, a cylinder body of the pressure cylinder is installed on the installation base body, and the pawl is fixed with a piston of the pressure cylinder; or the like, or, alternatively,
the driving mechanism is an electromagnet, the electromagnet is fixed on the mounting base body, the pawl is slidably mounted on the mounting base body, the electromagnet is located at one end of the pawl along the sliding direction of the pawl, and the ratchet wheel is located at the other end of the pawl.
6. The road height limiting device according to any one of claims 1 to 3, characterized in that:
the one-way locking mechanism comprises a ratchet and pawl mechanism, or the one-way locking mechanism comprises a one-way bearing.
7. A road height limiting device according to claim 2 or 3, characterized in that:
the vehicle license plate recognition device is in communication connection with the controller.
8. The road height limiting device according to any one of claims 1 to 3, characterized in that:
the touch reminding device further comprises a lifting mechanism, the touch reminding piece is rotatably installed on a lifting portion of the lifting mechanism, and a fixing portion of the lifting mechanism is installed on the installation base body.
9. The road height limiting device according to any one of claims 1 to 3, characterized in that:
the first track is an extended track of a road.
10. The road height limiting device according to any one of claims 1 to 3, characterized in that:
the height limit height of the height limit beam is the same as the height limit height of the touch reminding piece.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921038175.6U CN210597100U (en) | 2019-07-03 | 2019-07-03 | Road height limiting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921038175.6U CN210597100U (en) | 2019-07-03 | 2019-07-03 | Road height limiting device |
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| CN210597100U true CN210597100U (en) | 2020-05-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219264A (en) * | 2019-07-03 | 2019-09-10 | 广东科学技术职业学院 | Road height limiter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219264A (en) * | 2019-07-03 | 2019-09-10 | 广东科学技术职业学院 | Road height limiter |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |