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CN112396812A - Pneumatic type bridge overweight prevention alarm mechanism and method - Google Patents

Pneumatic type bridge overweight prevention alarm mechanism and method Download PDF

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Publication number
CN112396812A
CN112396812A CN202011303503.8A CN202011303503A CN112396812A CN 112396812 A CN112396812 A CN 112396812A CN 202011303503 A CN202011303503 A CN 202011303503A CN 112396812 A CN112396812 A CN 112396812A
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China
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cavity
air bag
bridge
warning
bearing plate
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CN202011303503.8A
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CN112396812B (en
Inventor
靳朋朋
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Macheng Hongyuan Road And Bridge Engineering Co ltd
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Individual
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/24—Reminder alarms, e.g. anti-loss alarms
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Electromagnetism (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The invention discloses a pneumatic type bridge overweight prevention alarm mechanism and a pneumatic type bridge overweight prevention alarm method, wherein the overweight prevention alarm mechanism comprises a mounting groove dug in the ground, a buffer air bag is arranged in the mounting groove, a bearing plate matched with the mounting groove is fixedly arranged on the upper surface of the buffer air bag, a warning platform is fixedly connected to one side of the ground positioned at the front end of the mounting groove, a warning lamp is fixedly arranged at the upper end of the warning platform, and a cavity is vertically arranged in the warning platform. According to the invention, the gas discharge amount in the buffer air bag is used for transmission when the load-carrying vehicle presses down the bearing plate, and the warning lamp is used for monitoring and reminding the weight of the large load-carrying vehicle one by one, so that the damage to the bridge caused by the forced boarding of the overweight vehicle can be effectively prevented, and the bridge structure is protected; and the power source of the warning lamp is generated by the pressure effect of the vehicle weight on the bearing plate and the buffer air bag, a power system does not need to be installed, the energy is saved, manual work and an intelligent system are not needed for control, the maintenance cost is lower, the influence on traffic is smaller, and the use is convenient.

Description

Pneumatic type bridge overweight prevention alarm mechanism and method
The invention relates to a divisional application of a pneumatic bridge overweight prevention alarm mechanism, which is named as patent application No. CN201910817424.X, and has the application date of 2019, 08 and 30 months.
Technical Field
The invention relates to the technical field of bridge safety, in particular to a pneumatic type bridge overweight prevention alarm mechanism and a pneumatic type bridge overweight prevention alarm method.
Background
With the development of the traffic industry of China, the health and maintenance of bridges are increasingly concerned by people. Each bridge is limited to have the maximum weight of a single vehicle to go up the bridge when in design, and the overweight bridge of the passenger car carrying the cargo causes damage to the bridge, is the primary problem that influences the health and the life of the bridge, and the light person causes the internal damage of the bridge body, and the heavy person can lead to the bridge to collapse, causes great economic loss and casualties.
Because the installation and maintenance costs of the existing bridge safety monitoring system are high, most of bridges do not have an overweight prevention detection mechanism, and whether the bridges are overweight or not is difficult to determine when a plurality of load-carrying vehicles get on the bridge, so that the bridges are easy to be damaged, and potential safety hazards are generated.
Therefore, a pneumatic type bridge overweight prevention alarm mechanism and a pneumatic type bridge overweight prevention alarm method are provided.
Disclosure of Invention
The invention aims to solve the problems in the background technology and provides a pneumatic bridge overweight prevention alarm mechanism and a pneumatic bridge overweight prevention alarm method.
In order to achieve the purpose, the invention adopts the following technical scheme: a pneumatic type bridge overweight prevention alarm mechanism and a method thereof comprise a mounting groove dug on the ground, wherein a buffer air bag is arranged in the mounting groove, a bearing plate matched with the mounting groove is fixedly arranged on the upper surface of the buffer air bag, a warning platform is fixedly connected to one side of the ground positioned at the front end of the mounting groove, a warning lamp is fixedly arranged at the upper end of the warning platform, the warning lamp is connected with a self-power supply mechanism, a cavity is vertically arranged in the warning platform, a vent pipe is connected between the bottom of the cavity and the buffer air bag, a piston top block is connected to the inner wall of the cavity in a sealing and sliding manner, a first spring is fixedly connected between the piston top block and the bottom in the cavity, an air outlet matched with the piston top block for use is also arranged at the upper end of the cavity, a groove is also arranged on the side wall at the upper end of the, the common rigid coupling of second spring one end has the wedge, the plane end of wedge just contacts with key switch, the inclined plane end of wedge just all stretches out the recess and is located the cavity.
In the pneumatic type bridge overweight prevention alarm mechanism, the self-powered mechanism comprises piezoelectric ceramics arranged in the buffering air bag, and the piezoelectric ceramics are electrically connected with the warning lamp and the key switch in a series connection mode.
In the above pneumatic type bridge overweight prevention alarm mechanism, the self-powered mechanism comprises a transmission rod vertically fixedly connected with the bottoms of the front end and the rear end of the bearing plate, a set of first gears and second gears meshed with each other are rotatably connected on the front side wall and the rear side wall of the mounting groove, the number of the teeth of the first gears is greater than that of the second gears, a first rack meshed with the first gears is fixedly connected on the side wall of each transmission rod, a deep groove is correspondingly formed in each of the front end and the rear end of the bottom of the mounting groove, a mounting plate is horizontally and fixedly connected with the notch of each deep groove, a movable rod is slidably connected in the center of each mounting plate in a penetrating manner, a second rack meshed with the second gears is fixedly connected on the side wall of the upper end of each movable rod, a spiral coil is fixedly arranged on the inner side wall of each deep groove, and a plurality of magnets are fixedly connected on, and the movable rod and the magnet are correspondingly inserted in the spiral coil.
In the pneumatic type bridge overweight prevention alarm mechanism, a deceleration strip matched with a bearing plate is fixedly arranged on the ground at the rear end of the mounting groove.
Compared with the prior art, the pneumatic bridge overweight prevention alarm mechanism has the advantages that:
1. the gas discharge amount in the buffer gas bag is used for transmission when the load-carrying vehicle presses down the bearing plate, and the warning lamp is used for monitoring and reminding the weight of the large load-carrying vehicle one by one, so that the damage to the bridge caused by the forced boarding of the overweight vehicle can be effectively prevented, and the bridge structure is protected;
2. the power sources of the warning lamps are all generated by the pressure effect of the vehicle weight on the bearing plate and the buffer air bag, a power system does not need to be installed, the energy is saved, and the maintenance cost is lower;
3. the reset process of bearing plate, buffering gasbag and warning light is spontaneous to be gone on, need not artifical and intelligent system and controls, and follow-up load vehicle need not to wait for buffering gasbag and bearing plate to reset completely and can try through the bearing plate, and is less to the influence of traffic, convenient to use.
Drawings
FIG. 1 is a schematic structural diagram of a pneumatic bridge overweight prevention alarm mechanism and method according to the present invention;
FIG. 2 is an enlarged view of the structure of part A in FIG. 1;
FIG. 3 is a structural side view of a pneumatic bridge overweight prevention alarm mechanism and method according to the present invention;
FIG. 4 is a schematic structural diagram of a second embodiment of the pneumatic bridge overweight prevention alarm mechanism and method according to the present invention;
fig. 5 is an enlarged schematic view of the structure of part B in fig. 4.
In the figure: the device comprises a mounting groove 1, a buffer air bag 2, a bearing plate 3, a warning table 4, a warning lamp 5, a cavity 6, a vent pipe 7, a piston top block 8, a first spring 9, an air outlet hole 10, a groove 11, a key switch 12, a second spring 13, a wedge-shaped block 14, piezoelectric ceramics 15, a transmission rod 16, a first gear 17, a second gear 18, a first rack 19, a deep groove 20, a mounting plate 21, a movable rod 22, a second rack 23, a spiral coil 24, a magnet 25 and a deceleration strip 26.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Example one
Referring to fig. 1-3, a pneumatic type bridge overweight prevention alarm mechanism and method comprises a mounting groove 1 dug in the ground, a buffering air bag 2 is mounted in the mounting groove 1, a bearing plate 3 matched with the mounting groove 1 is fixedly arranged on the upper surface of the buffering air bag 2, a warning table 4 is fixedly connected to one side of the ground at the front end of the mounting groove 1, a warning lamp 5 is fixedly mounted at the upper end of the warning table 4, the warning lamp 5 is connected with a self-power supply mechanism, the self-power supply mechanism comprises piezoelectric ceramics 15 arranged in the buffering air bag 2, and the piezoelectric ceramics 15 is electrically connected with the warning lamp 5 and a key switch 12 in a series connection mode;
a cavity 6 is vertically arranged in the warning table 4, a vent pipe 7 is connected between the bottom of the cavity 6 and the buffer air bag 2, a piston top block 8 is connected on the inner wall of the cavity 6 in a sealing and sliding manner, a first spring 9 is fixedly connected between the piston top block 8 and the bottom in the cavity 6, an air outlet 10 matched with the piston top block 8 for use is also arranged at the upper end of the cavity 6, a groove 11 is also arranged on the side wall of the upper end of the cavity 6, a key switch 12 electrically connected with the warning lamp 5 and a plurality of second springs 13 are arranged on the inner wall of the groove 11, one end of each second spring 13 is fixedly connected with a wedge block 14 together, the plane end of each wedge block 14 is just contacted with the key switch 12, and the inclined plane end of each wedge; wherein, a deceleration strip 26 matched with the bearing plate 3 is also fixedly arranged on the ground at the rear end of the mounting groove 1;
when the device is used, the device is built at two ends of a bridge, one end of the warning platform 4 is close to an inlet of the bridge, marks are arranged at two sides of the deceleration strip 26 to prompt that large-scale load-carrying vehicles pass through the bearing plate 3 one by one, the load-carrying vehicles run on the bearing plate 3 to press the buffer air bag 2 down after being decelerated at the deceleration strip 26, and gas in the buffer air bag 2 is pressed into the cavity 6 through the vent pipe 7, so that the piston top block 8 is pushed to elongate the first spring 9 to slide upwards; when the weight of the load-carrying vehicle exceeds the limit weight of the bridge, the buffering air bag 2 is seriously compressed, and a large amount of air in the air bag is pressed into the cavity 6, so that the piston top block 8 is pushed to slide upwards all the time, the wedge block 14 is abutted to the groove 11, and the plane end of the wedge block 14 presses the key switch 12; when the air bag 3 is pressed down, the piezoelectric ceramic 22 is pressed to generate a piezoelectric effect to form current, the key switch 12 is pressed and then the circuit is communicated, and the warning lamp 5 at the upper end of the warning platform 4 can be lightened to give an alarm, so that the overweight vehicle is prompted to turn around and be away from the bridge; after the overweight vehicle leaves the bridge and drives down the bearing plate 3, the piston jacking block 8 is pulled back downwards by the reset acting force of the first spring 11, so that the gas is pressed back into the buffer air bag 2, the wedge block 14 is pushed out of the groove 11 again by the reset action of the second spring 13, the key switch 12 is not pressed any more, and the power supply circuit of the warning lamp 5 is automatically closed after being disconnected; the follow-up load-carrying vehicle can try to pass through the bearing plate 3 without waiting for the complete reset of the buffer air bag 2 and the bearing plate 3, and the influence on traffic is small.
Example two
Referring to fig. 4-5, while maintaining another structure of the embodiment, the self-powered mechanism may further include a transmission rod 16 vertically welded at the bottom of the front end and the rear end of the bearing plate 3, a set of first gear 17 and a set of second gear 18 engaged with each other are rotatably connected to the front side wall and the rear side wall of the mounting groove 1, wherein the number of teeth of the first gear 17 is greater than that of the second gear 18, a first rack 19 engaged with the first gear 17 is fixedly connected to the side wall of each transmission rod 16, a deep groove 20 is correspondingly formed at the front end and the rear end of the bottom of the mounting groove 1, a mounting plate 21 is horizontally and fixedly connected to the notch of each deep groove 20, a movable rod 22 is slidably connected to the center of each mounting plate 21, a second rack 23 engaged with the second gear 18 is further fixedly connected to the upper end side wall of each movable rod 22, a spiral coil 24 is fixedly arranged on the inner side wall of each deep groove 20, a plurality of magnets 25 are fixedly connected to the side wall of the lower end of each movable rod 22, and the movable rods 22 and the magnets 25 are correspondingly inserted into the spiral coils 24;
when a vehicle passes through the bearing plate 3, no matter whether the weight is over the weight average or not, the bearing plate 3 is pressed down for a certain distance, the height of the bearing plate 3 and the buffering air bag 2 is changed continuously, so that the transmission rod 16 moves up and down along with the height, and the transmission rod 16 can drive the movable rod 22 to move up and down through the transmission of the first rack 19, the first gear 17, the second gear 18 and the second rack 23 when moving up and down, so that the magnet 25 on the side wall of the lower end of the movable rod 22 moves up and down continuously in the spiral coil 24, and the magnet 25 cuts a magnetic induction line to generate induction current in the spiral coil 24; because the number of teeth of the first gear 17 is greater than the number of teeth 18 of the second gear, the moving distance of the movable rod 22 after being driven by the transmission rod 16 is increased, the amplitude of the magnet 25 cutting a magnetic induction line in the spiral coil 24 is increased, and the efficiency of generating current is higher; can be at 4 internally mounted batteries of warning platform, with spiral coil 24's both ends and battery electric connection, make battery and 5 also electric connection of warning light simultaneously, can provide warning light 5 uses in the battery with the induced-current storage that spiral coil 24 produced, energy utilization is higher.
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, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (3)

1.一种气动式桥梁防超重报警机构，包括挖设在地面的安装槽(1)，其特征在于，所述安装槽(1)内安装有缓冲气囊(2)，所述缓冲气囊(2)上表面固定设有与安装槽(1)适配的承重板(3)，位于所述安装槽(1)前端的地面一侧固接有警示台(4)，所述警示台(4)上端固定安装有警示灯(5)，且警示灯(5)连接有自供电机构，所述警示台(4)内部竖直开设有腔体(6)，所述腔体(6)底部与缓冲气囊(2)间连接有通气管(7)，所述腔体(6)内壁上密封滑动连接有活塞顶块(8)，所述活塞顶块(8)与腔体(6)内底部间固定连接有第一弹簧(9)，所述腔体(6)上端还开设有配合活塞顶块(8)使用的出气孔(10)，所述腔体(6)的上端侧壁还开设有凹槽(11)，所述凹槽(11)内壁上安装有与警示灯(5)电性连接的按键开关(12)和多个第二弹簧(13)，所述第二弹簧(13)一端共同固接有楔形块(14)，所述楔形块(14)的平面端恰好与按键开关(12)接触，所述楔形块(14)的斜面端恰好全部伸出凹槽(11)位于腔体(6)内，所述自供电机构包括缓冲气囊(2)内部设置的压电陶瓷(15)，所述压电陶瓷(15)与警示灯(5)和按键开关(12)以串联的方式电性连接，所述自供电机构包括承重板(3)前后两端底部均竖直固接有的传动杆(16)，所述安装槽(1)的前后侧壁上均转动连接有一组互相啮合的第一齿轮(17)和第二齿轮(18)，其中所述第一齿轮(17)的齿数大于第二齿轮(18)，每根所述传动杆(16)侧壁上均固接有与第一齿轮(17)啮合的第一齿条(19)，所述安装槽(1)的底部前后两端均对应开设有一个深槽(20)，每个所述深槽(20)的槽口均水平固接有一块安装板(21)，每块所述安装板(21)中心均贯穿滑动连接有一根活动杆(22)，每根所述活动杆(22)的上端侧壁上均还固接有与第二齿轮(18)啮合的第二齿条(23)，每个所述深槽(20)的内侧壁上均固定设有螺旋线圈(24)，每根所述活动杆(22)的下端侧壁上均固接有多块磁铁(25)，且活动杆(22)和磁铁(25)均对应插设在螺旋线圈(24)的内部。1. A pneumatic bridge anti-overweight alarm mechanism, comprising an installation groove (1) dug on the ground, characterized in that a buffer air bag (2) is installed in the installation groove (1), the buffer air bag (2) ) upper surface is fixedly provided with a bearing plate (3) adapted to the installation groove (1), and a warning platform (4) is fixedly fixed on the ground side at the front end of the installation groove (1), and the warning platform (4) A warning light (5) is fixedly installed on the upper end, and the warning light (5) is connected with a self-power supply mechanism. A cavity (6) is vertically opened inside the warning stand (4), and the bottom of the cavity (6) is connected to the buffer. A vent pipe (7) is connected between the airbags (2), a piston top block (8) is sealed and slidably connected on the inner wall of the cavity (6), and the piston top block (8) is connected with the inner bottom of the cavity (6). A first spring (9) is fixedly connected, the upper end of the cavity (6) is also provided with an air outlet (10) for use with the piston top block (8), and the upper end sidewall of the cavity (6) is also provided with A groove (11), a key switch (12) electrically connected to the warning light (5) and a plurality of second springs (13) are installed on the inner wall of the groove (11), the second springs (13) A wedge-shaped block (14) is fixed together at one end, the flat end of the wedge-shaped block (14) just contacts the key switch (12), and the beveled end of the wedge-shaped block (14) just fully protrudes from the groove (11) at the position of the key switch (12). Inside the cavity (6), the self-power supply mechanism includes a piezoelectric ceramic (15) arranged inside the buffer airbag (2), and the piezoelectric ceramic (15) is connected in series with the warning light (5) and the key switch (12). The self-power supply mechanism includes transmission rods (16) fixed vertically at the bottoms of the front and rear ends of the load-bearing plate (3), and a front and rear side wall of the installation slot (1) is rotatably connected to a A set of mutually meshing first gears (17) and second gears (18), wherein the number of teeth of the first gears (17) is greater than that of the second gears (18), and each of the transmission rods (16) on the side wall is A first rack (19) meshing with the first gear (17) is fixedly connected, and a deep groove (20) is correspondingly opened at the front and rear ends of the bottom of the mounting groove (1), and each of the deep grooves ( A mounting plate (21) is horizontally fixed to the notch of 20), and a movable rod (22) is slidably connected through the center of each said mounting plate (21), and the upper end of each said movable rod (22) is A second rack (23) meshing with the second gear (18) is also fixedly connected to the side walls, and a helical coil (24) is fixed on the inner side wall of each of the deep grooves (20). A plurality of magnets (25) are fixedly connected to the lower end side wall of the movable rod (22), and the movable rod (22) and the magnet (25) are correspondingly inserted into the interior of the helical coil (24). 2.根据权利要求1所述的一种气动式桥梁防超重报警机构，其特征在于，位于所述安装槽(1)后端的地面上还固定安装有配合承重板(3)使用的减速带(26)。2. A kind of pneumatic bridge anti-overweight alarm mechanism according to claim 1 is characterized in that, on the ground located at the rear end of the installation groove (1), a deceleration belt ( 26). 3.根据权利要求1所述的一种气动式桥梁防超重报警机构及方法，其特征在于，使用时，将本装置建立在桥梁两端，使警示台(4)一端靠近桥梁的入口，在减速带(26)的两侧设置标示，提示大型载重车辆逐辆通过承重板(3)，载重车辆在减速带(26)处减速后驶上承重板(3)下压缓冲气囊(2)，缓冲气囊(2)内的气体会由通气管(7)被压入腔体(6)内部，从而推动活塞顶块(8)拉长第一弹簧(9)向上滑动；当载重车辆的重量超过桥梁的限重时，缓冲气囊(2)会被严重压缩，气囊内的气体被大量压入腔体(6)内，从而推动活塞顶块(8)一直向上滑动并将楔形块(14)向凹槽(11)内抵设，使楔形块(14)的平面端按压按键开关(12)；气囊(3)下压时，压电陶瓷(22)受到压力产生压电效应形成电流，按键开关(12)被按压后电路连通，警示台(4)上端的警示灯(5)即可亮起发出警报，从而提示超重车辆掉头远离桥梁；待超重车辆远离桥梁驶下承重板(3)后，第一弹簧(11)的复位作用力会将活塞顶块(8)向下回拉，从而将气体压回至缓冲气囊(2)内，第二弹簧(13)的复位作用会将楔形块(14)重新顶出凹槽(11)，使其不再按压按键开关(12)，警示灯(5)的供电电路断开后即会自动关闭；后续载重车辆也无需等待缓冲气囊(2)和承重板(3)完全复位即可尝试通过承重板(3)，对交通的影响较小。3. A kind of pneumatic bridge anti-overweight alarm mechanism and method according to claim 1, is characterized in that, when using, this device is established on both ends of the bridge, so that one end of the warning platform (4) is close to the entrance of the bridge, Signs are provided on both sides of the speed bump (26) to remind the large trucks to pass through the load-bearing plate (3) one by one. The gas in the buffer airbag (2) will be pressed into the cavity (6) by the vent pipe (7), thereby pushing the piston top block (8) to elongate the first spring (9) to slide upward; when the weight of the truck exceeds When the weight of the bridge is limited, the buffer air bag (2) will be severely compressed, and the gas in the air bag will be greatly pressed into the cavity (6), thereby pushing the piston top block (8) to slide upward and the wedge block (14) to the The groove (11) is abutted against, so that the flat end of the wedge-shaped block (14) presses the key switch (12); when the airbag (3) is pressed down, the piezoelectric ceramic (22) is subjected to pressure to generate a piezoelectric effect to form a current, and the key switch (12) After being pressed, the circuit is connected, and the warning light (5) on the upper end of the warning stand (4) can light up to give an alarm, thereby prompting the overweight vehicle to turn around and away from the bridge; The restoring force of the first spring (11) will pull the piston top block (8) back down, thereby pressing the gas back into the buffer air bag (2), and the restoring force of the second spring (13) will push the wedge block (8). 14) Re-extrude the groove (11) so that the button switch (12) is no longer pressed, and the power supply circuit of the warning light (5) will be automatically turned off after disconnection; the subsequent heavy-duty vehicles do not need to wait for the buffer airbag (2) and After the load-bearing plate (3) is completely reset, it is possible to try to pass the load-bearing plate (3), which has less impact on traffic.
CN202011303503.8A 2019-08-30 2019-08-30 A pneumatic bridge anti-overweight alarm mechanism and method Expired - Fee Related CN112396812B (en)

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CN201910817424.XA CN110555980B (en) 2019-08-30 2019-08-30 Pneumatic type bridge overweight prevention alarm mechanism
CN202011303503.8A CN112396812B (en) 2019-08-30 2019-08-30 A pneumatic bridge anti-overweight alarm mechanism and method

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