CN111519560A - Adjustable vehicle height limiting warning device - Google Patents

Adjustable vehicle height limiting warning device Download PDF

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Publication number
CN111519560A
CN111519560A CN202010465661.7A CN202010465661A CN111519560A CN 111519560 A CN111519560 A CN 111519560A CN 202010465661 A CN202010465661 A CN 202010465661A CN 111519560 A CN111519560 A CN 111519560A
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CN
China
Prior art keywords
laser
vehicle
warning device
height
gear
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Pending
Application number
CN202010465661.7A
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Chinese (zh)
Inventor
杨志发
樊贤俊
朱玉
李世武
孙文财
王超
宋长安
王琳虹
郭梦竹
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Jilin University
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Jilin University
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Publication date
Application filed by Jilin University filed Critical Jilin University
Priority to CN202010465661.7A priority Critical patent/CN111519560A/en
Publication of CN111519560A publication Critical patent/CN111519560A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/02Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/06Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
    • G01B11/0608Height gauges

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

The invention is suitable for the technical field of road height limiting devices, and provides an adjustable vehicle height limiting warning device, which comprises: movable bases, the number of which is arranged in pairs; the telescopic mechanisms are arranged on the movable base, a travelling channel for vehicles to pass through is formed between the pair of telescopic mechanisms, and the laser measuring mechanism is arranged at the position of the output end of the telescopic mechanisms and is used for detecting whether laser beams are shielded by the vehicles passing through the travelling channel; and the warning mechanism is used for sending warning information to the outside when the laser beam is shielded by the vehicle, and the invention has the beneficial effects that: the height limiting device has the advantages that the height limiting height can be conveniently adjusted, and personnel can be timely reminded whether the vehicle meets the requirement of the front height limitation or not; by using the characteristics of the Wheatstone bridge, the interference of background illumination can be reduced.

Description

Adjustable vehicle height limiting warning device
Technical Field
The invention relates to the technical field of road height limiting devices, in particular to an adjustable vehicle height limiting warning device.
Background
In real life, the vehicle overload is too high, the passing height of the vehicle is limited due to the fact that construction in partial areas or other emergency situations cause the passing height of the vehicle to be limited, but safety reminding cannot be set in time, a driver can ignore the problem of the vehicle height under the condition that the vehicle is not reminded, and therefore the vehicle can continuously pass through a limited area, and great potential safety hazards are caused.
In the design of present limit for height pole, limit for height pole height flexibility is not enough, can not convenient regulation, and limit for height pole can't be nimble convenient application to other places, dismantles the in-process at the installation, extravagant manpower resources, and the consumption time is longer, and in short, current limit for height pole commonality is limited.
Disclosure of Invention
The embodiment of the invention aims to provide an adjustable vehicle height limiting warning device and aims to solve the technical problems.
The embodiment of the invention is realized in such a way that the adjustable vehicle height limiting warning device comprises:
movable bases, the number of which is arranged in pairs;
the telescopic mechanisms are arranged on the movable base, and a travelling channel for vehicles to pass through is formed between the pair of telescopic mechanisms;
the laser measuring mechanism is arranged at the output end position of the telescopic mechanism and used for detecting whether a laser beam is shielded by a vehicle passing through the traffic channel; and
and the alarm mechanism is used for sending alarm information outwards when the laser beam is shielded by the vehicle.
As a further scheme of the invention: the telescopic mechanism comprises a fixed part and a movable part, wherein the movable part is movably matched with the fixed part, and the movable part is driven by a driving mechanism to extend and retract relative to the fixed part.
As a still further scheme of the invention: the actuating mechanism includes intermeshing's gear spare and tooth condition, wherein, gear spare is installed on the mounting, the tooth condition is installed on the moving part, it is right to be equipped with on the mounting the abdicating of tooth condition.
As a still further scheme of the invention: one side of gear spare still is equipped with rather than coaxial driven gear, driven gear passes through the gear area and sets up driving gear connection on the portable base.
As a still further scheme of the invention: the laser measuring mechanism comprises a laser transmitter and a laser receiver, the laser transmitter is used for transmitting laser beams, the laser receiver is used for receiving the laser beams, and the laser transmitter and the laser receiver are respectively installed on a pair of telescopic mechanisms forming a travelling channel.
As a still further scheme of the invention: the laser receiver comprises a hysteresis comparator, a NOT gate circuit connected with the alarm mechanism and four photoresistors with the same specification, wherein the four photoresistors are used for receiving laser beams emitted by the laser emitter, the positive and negative input ends of the hysteresis comparator are respectively connected with two bridge arm intersections opposite to the positions of the Wheatstone bridges, and the output end of the hysteresis comparator is connected with the NOT gate circuit.
As a still further scheme of the invention: a rocker arm shaft is fixed at the axis of the driving gear, the rocker arm shaft is installed on a bearing seat formed by a right bearing seat and a left bearing seat, the right bearing seat and the left bearing seat are fixed on the movable base, and the shaft end of the rocker arm shaft is connected with a rocker arm through a coupling sleeve.
As a still further scheme of the invention: but a plurality of auto-lock wheels are installed to the bottom of portable base, still install solar panel on the portable base, be used for doing laser measurement mechanism and alarm mechanism power supply.
Compared with the prior art, the invention has the beneficial effects that: the solar energy automobile height limiting device has the advantages that the height limiting height can be conveniently adjusted, personnel can be timely reminded whether the automobile meets the requirement of the front height limitation, the solar energy automobile height limiting device can work for a long time in a working place without a power supply point, and the working process is environment-friendly and energy-saving; meanwhile, the device has a simple structure, the installation and disassembly processes of all parts are relatively simple, and the device is suitable for being used in emergency construction places or places with height requirements, so that unnecessary potential safety hazards are greatly reduced; by using the characteristics of the Wheatstone bridge, the interference of background illumination can be reduced.
Drawings
Fig. 1 is a schematic structural diagram of an adjustable vehicle height limiting warning device.
Fig. 2 is a schematic structural diagram of a telescopic mechanism in an adjustable vehicle height limiting warning device.
Fig. 3 is a schematic structural diagram of a driving mechanism in an adjustable vehicle height limiting warning device.
Fig. 4 is a schematic structural diagram of a laser emitter in an adjustable vehicle height limiting warning device.
Fig. 5 is a schematic structural diagram of a movable rod in an adjustable vehicle height limiting warning device.
Fig. 6 is a schematic structural diagram of a laser receiver in an adjustable vehicle height limiting warning device.
Fig. 7 is a circuit diagram of a laser receiver in an adjustable vehicle height limiting warning device.
In the drawings: 1-laser emitter, 2-movable rod, 3-laser receiver, 4-fixed rod, 5-lifting gear, 6-driven gear, 7-warning light, 8-receiving end base, 9-emitting end base, 10-lifting shaft, 11-gear belt, 12-rocker arm, 13-coupling sleeve, 14-rocker arm shaft, 15-driving gear, 16-right bearing seat, 17-left bearing seat, 18-self-locking wheel and 19-fixing piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a structure diagram of an adjustable vehicle height-limiting warning device provided in an embodiment of the present invention includes movable bases, a telescopic mechanism, a laser measuring mechanism, and an alarm mechanism, wherein the movable bases are arranged in pairs; the telescopic mechanisms are arranged on the movable base, and a travelling channel for vehicles to pass through is formed between the pair of telescopic mechanisms; the laser measuring mechanism is arranged at the output end position of the telescopic mechanism and used for detecting whether a laser beam is shielded by a vehicle passing through the traffic channel; the alarm mechanism is used for sending alarm information outwards when the laser beam is shielded by the vehicle.
In the embodiment of the invention, the number of the movable bases is two, the two movable bases are respectively provided with the telescopic mechanisms, the telescopic mechanisms can realize the height adjustment of the laser measuring mechanism, so that the height of the height limiting warning device can be adjusted to be in the same state as the height limiting rod, when a vehicle can normally pass through the height limiting warning device, the height limiting rod can be normally passed through, when the vehicle passes through the traffic channel in actual application, if a laser beam of the laser measuring mechanism is shielded, the alarm mechanism can give an alarm to prompt a person that the vehicle cannot pass through the front height limiting rod. The device is flexible to move, and the height adjustment is very convenient.
As shown in fig. 1 to 2, as a preferred embodiment of the present invention, the telescopic mechanism includes a fixed member and a movable member, wherein the movable member is movably engaged with the fixed member, and the movable member is driven by a driving mechanism to be telescopic relative to the fixed member.
As shown in fig. 2, as another preferred embodiment of the present invention, the driving mechanism includes a gear member and a tooth member engaged with each other, wherein the gear member is mounted on the fixed member, the tooth member is mounted on the movable member, and the fixed member is provided with a relief for the tooth member.
In the embodiment of the invention, when the gear piece is driven to rotate by force, the tooth condition can be stretched and contracted through the meshing action between the teeth.
In one aspect of the embodiment of the present invention, the movable member and the fixed member are respectively a movable rod 2 and a fixed rod 4, the movable rod 2 is nested in the fixed rod 4 and is movably matched with the fixed rod 4, the gear member is a lifting gear 5, and the gear condition is a rack arranged on the surface of the movable member, wherein the lifting gear 5 is arranged on the surface of the fixed rod 4 through a pair of fixed pieces 19, and a abdication position is arranged at a position of the fixed rod 4 corresponding to the rack stroke.
As shown in fig. 3, as another preferred embodiment of the present invention, a driven gear 6 is further provided on one side of the gear member, and the driven gear 6 is connected to a driving gear 15 provided on the movable base through a gear belt 12.
The fixed shaft of the lifting gear 5 is the lifting shaft 10, the driven gear 6 is also fixed on the lifting shaft 10, when the driving gear 15 rotates under stress, the lifting gear 5 also rotates synchronously, and then the movable part is stretched to realize height adjustment.
As shown in fig. 1 and 4, as another preferred embodiment of the present invention, the laser measuring mechanism includes a laser transmitter 1 and a laser receiver 3, the laser transmitter 1 is configured to transmit a laser beam, the laser receiver 3 is configured to receive the laser beam, and the laser transmitter 1 and the laser receiver 3 are respectively mounted on a pair of the telescopic mechanisms forming a traffic lane.
As shown in fig. 7, as another preferred embodiment of the present invention, the laser receiver 3 includes a hysteretic comparator, a not gate circuit connected to the alarm mechanism, and four photo-resistors with the same specification that form a wheatstone bridge, wherein one of the photo-resistors is used to receive a laser beam emitted by the laser emitter 1, forward and reverse input ends of the hysteretic comparator are respectively connected to two bridge arm intersections opposite to the wheatstone bridge, and an output end of the hysteretic comparator is connected to a nand gate circuit.
As shown in fig. 7, in the embodiment of the present invention, four photoresistors with the same specification, which form a wheatstone bridge, are R1, R2, R3 and R4, respectively, and form the wheatstone bridge with a wire power supply, etc., a forward input end of a hysteresis comparator is connected to a point a, an opposite input end of the hysteresis comparator is connected to a point B, an output end of the hysteresis comparator is connected to a nand gate circuit, it should be ensured during installation that the laser beam can only irradiate R1 by using the focusing property of the laser beam, when the laser beam is shielded by a vehicle, since the four resistors form the wheatstone bridge, U1 is equal to U2 at this time, an input voltage of the hysteresis comparator is a low voltage, after passing through a non-gate circuit, the voltage at this time is greater than zero at the front end of the alarm mechanism, and a voltage difference exists between the front and the rear ends of the alarm mechanism, the alarm mechanism normally operates, when the laser beam irradiates R1, the R1, at the moment, currents at R1 and R2 are increased, voltage drop on R1 is reduced, voltage U1 at A is increased, resistance is unchanged at the moment R3 and R4 cannot receive laser beams, voltage U2 is also unchanged, therefore, forward input voltage of the time-lag return comparator is higher than reverse input voltage, the time-lag return comparator outputs high voltage, the input end of the NOT gate circuit is high level, the output end is low level, and the alarm mechanism does not work at the moment.
The method utilizes the characteristics of the Wheatstone bridge, can effectively reduce the interference of background illumination, and ensures the accuracy of the measurement result.
As shown in fig. 3, as another preferred embodiment of the present invention, a rocker shaft 14 is fixed to the axial center of the driving gear 15, the rocker shaft 14 is mounted on a bearing seat formed by a right bearing seat 16 and a left bearing seat 17, the right bearing seat 16 and the left bearing seat 17 are fixed to the movable base, and the shaft end of the rocker shaft 14 is connected to the rocker arm 12 through a coupling sleeve 13.
In the embodiment of the present invention, the driving gear 15 is driven to rotate by a manual method (i.e., the rocker arm 12), and in practical applications, a device such as a motor may also be used to achieve a driving effect, which is not specifically limited herein.
As shown in fig. 3, as another preferred embodiment of the present invention, a plurality of self-locking wheels 18 are installed at the bottom of the movable base, and a solar panel is also installed on the movable base for supplying power to the laser measuring mechanism and the alarm mechanism.
In the embodiment of the invention, the number of the movable bases is two, the corresponding laser transmitters 1 and the corresponding laser receivers 3 can be named as a receiving end base 8 and a transmitting end base 9 respectively, actually, the structures of the receiving end base 8 and the transmitting end base 9 are the same, and solar panels are arranged on the receiving end base 8 and the transmitting end base 9 and used for supplying power to the alarm mechanism and the receiving end base 8 or the transmitting end base 9, so that the long-time work in a working place without a power supply point can be realized, and the working process is environment-friendly and energy-saving.
Here, it should be noted that the receiving-end base 8 and the transmitting-end base 9 are substantially provided with storage batteries for storing electric energy, and further, the receiving-end base 8 and the transmitting-end base 9 may be further provided with a controller and the like, and the embodiment is not particularly limited herein.
The embodiment of the invention provides an adjustable vehicle height limiting warning device, which can conveniently realize the adjustment of height limiting height and prompt personnel whether the vehicle meets the requirement of front height limiting or not in time; meanwhile, the device has a simple structure, the installation and disassembly processes of all parts are relatively simple, and the device is suitable for being used in emergency construction places or places with height requirements, so that unnecessary potential safety hazards are greatly reduced; by using the characteristics of the Wheatstone bridge, the interference of background illumination can be reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. The utility model provides a vehicle limit for height warning device with adjustable which characterized in that includes:
movable bases, the number of which is arranged in pairs;
the telescopic mechanisms are arranged on the movable base, and a travelling channel for vehicles to pass through is formed between the pair of telescopic mechanisms;
the laser measuring mechanism is arranged at the output end position of the telescopic mechanism and used for detecting whether a laser beam is shielded by a vehicle passing through the traffic channel; and
and the alarm mechanism is used for sending alarm information outwards when the laser beam is shielded by the vehicle.
2. The adjustable height-limiting warning device for vehicles as claimed in claim 1, wherein the retractable mechanism comprises a fixed member and a movable member, wherein the movable member is movably engaged with the fixed member, and the movable member is driven by the driving mechanism to retract relative to the fixed member.
3. The adjustable height-limiting warning device for the vehicle as claimed in claim 2, wherein the driving mechanism comprises a gear member and a tooth member engaged with each other, wherein the gear member is mounted on the fixed member, the tooth member is mounted on the movable member, and the fixed member is provided with a abdication for the tooth member.
4. The adjustable height-limiting warning device for vehicle as claimed in claim 3, wherein a driven gear is disposed on one side of the gear member and is coaxial with the gear member, and the driven gear is connected to a driving gear disposed on the movable base through a gear belt.
5. The adjustable vehicle height limiting warning device according to claim 1, 2, 3 or 4, wherein the laser measuring mechanism comprises a laser transmitter and a laser receiver, the laser transmitter is used for transmitting a laser beam, the laser receiver is used for receiving the laser beam, and the laser transmitter and the laser receiver are respectively installed on a pair of telescopic mechanisms forming a driving channel.
6. The adjustable vehicle height limiting warning device according to claim 5, wherein the laser receiver comprises a hysteresis comparator, a NOT gate circuit connected with the alarm mechanism, and four photoresistors of the same specification forming a Wheatstone bridge, one of the photoresistors is used for receiving a laser beam emitted by the laser emitter, forward and reverse input ends of the hysteresis comparator are respectively connected with two bridge arm intersections opposite to the Wheatstone bridge, and an output end of the hysteresis comparator is connected with the NOT gate circuit.
7. The adjustable height-limiting warning device for the vehicle as claimed in claim 4, wherein a rocker shaft is fixed at the axis of the driving gear, the rocker shaft is mounted on a bearing seat formed by a right bearing seat and a left bearing seat, the right bearing seat and the left bearing seat are fixed on the movable base, and the shaft end of the rocker shaft is connected with the rocker arm through a connecting shaft sleeve.
8. The adjustable height-limiting warning device for the vehicle as claimed in claim 1, wherein a plurality of self-locking wheels are mounted at the bottom of the movable base, and a solar panel is further mounted on the movable base for supplying power to the laser measuring mechanism and the warning mechanism.
CN202010465661.7A 2020-05-28 2020-05-28 Adjustable vehicle height limiting warning device Pending CN111519560A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010465661.7A CN111519560A (en) 2020-05-28 2020-05-28 Adjustable vehicle height limiting warning device

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Application Number Priority Date Filing Date Title
CN202010465661.7A CN111519560A (en) 2020-05-28 2020-05-28 Adjustable vehicle height limiting warning device

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CN111519560A true CN111519560A (en) 2020-08-11

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112779832A (en) * 2020-12-28 2021-05-11 浙江同济科技职业学院 Intelligent vehicle overweight and ultrahigh detection system and method for road and bridge
CN113011388A (en) * 2021-04-23 2021-06-22 吉林大学 Vehicle outer contour size detection method based on license plate and lane line
CN113776454A (en) * 2021-08-20 2021-12-10 国家电投集团远达环保装备制造有限公司 Boundary detection system and boundary detection method

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Publication number Priority date Publication date Assignee Title
CN2630795Y (en) * 2003-04-29 2004-08-04 武汉大学 Vehicle super-high monitoring warning device
JP2011060113A (en) * 2009-09-11 2011-03-24 Mitsubishi Fuso Truck & Bus Corp Collision avoidance support device for vehicle
CN105844853A (en) * 2016-05-27 2016-08-10 国家电网公司 Mobile height limit alarm device
CN207525658U (en) * 2017-08-17 2018-06-22 杨兴文 A kind of road and bridge height limiter
CN108824255A (en) * 2018-07-06 2018-11-16 温州大学激光与光电智能制造研究院 Combined type automatic lifting height limiter
CN208501553U (en) * 2018-06-27 2019-02-15 宁夏积利通公路养护工程股份有限公司 A kind of road and bridge construction alarming device
CN212335830U (en) * 2020-05-28 2021-01-12 吉林大学 Adjustable vehicle height limiting warning device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2630795Y (en) * 2003-04-29 2004-08-04 武汉大学 Vehicle super-high monitoring warning device
JP2011060113A (en) * 2009-09-11 2011-03-24 Mitsubishi Fuso Truck & Bus Corp Collision avoidance support device for vehicle
CN105844853A (en) * 2016-05-27 2016-08-10 国家电网公司 Mobile height limit alarm device
CN207525658U (en) * 2017-08-17 2018-06-22 杨兴文 A kind of road and bridge height limiter
CN208501553U (en) * 2018-06-27 2019-02-15 宁夏积利通公路养护工程股份有限公司 A kind of road and bridge construction alarming device
CN108824255A (en) * 2018-07-06 2018-11-16 温州大学激光与光电智能制造研究院 Combined type automatic lifting height limiter
CN212335830U (en) * 2020-05-28 2021-01-12 吉林大学 Adjustable vehicle height limiting warning device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112779832A (en) * 2020-12-28 2021-05-11 浙江同济科技职业学院 Intelligent vehicle overweight and ultrahigh detection system and method for road and bridge
CN112779832B (en) * 2020-12-28 2022-06-28 浙江同济科技职业学院 Intelligent vehicle overweight and ultrahigh detection system and method for road and bridge
CN113011388A (en) * 2021-04-23 2021-06-22 吉林大学 Vehicle outer contour size detection method based on license plate and lane line
CN113011388B (en) * 2021-04-23 2022-05-06 吉林大学 Vehicle outer contour size detection method based on license plate and lane line
CN113776454A (en) * 2021-08-20 2021-12-10 国家电投集团远达环保装备制造有限公司 Boundary detection system and boundary detection method

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