CN108914821B - Overweight device is prevented to bridge - Google Patents
Overweight device is prevented to bridge Download PDFInfo
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- CN108914821B CN108914821B CN201810596775.8A CN201810596775A CN108914821B CN 108914821 B CN108914821 B CN 108914821B CN 201810596775 A CN201810596775 A CN 201810596775A CN 108914821 B CN108914821 B CN 108914821B
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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
- E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
- E01F13/06—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage by swinging into open position about a vertical or horizontal axis parallel to the road direction, i.e. swinging gates
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- Bridges Or Land Bridges (AREA)
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Abstract
The invention discloses an overweight prevention device for a bridge, which comprises a mounting groove dug on the ground, wherein the mounting groove is positioned at the entrance of the bridge, two first rotating seats are symmetrically and fixedly mounted in the mounting groove, each first rotating seat is rotatably connected with a bearing plate, two fixing plates are pre-buried on two sides of the mounting groove, one ends of the two bearing plates are respectively and correspondingly positioned at the upper ends of the fixing plates, one ends of the bearing plates, which are close to the fixing plates, are fixedly filled with balancing weights, the upper ends of the two fixing plates are symmetrically and fixedly connected with two frame bodies, and the top end of each frame body is fixedly connected with a mounting block. The invention has the advantages that: the transmission structure is used for detecting and intercepting the overweight vehicle, so that the damage to the bridge caused by forced bridge ascending is prevented, and the bridge structure is protected; and the overweight vehicle can be guided to the temporary parking point and then reset to continue to detect the following vehicle, so that the traffic is not hindered.
Description
Technical Field
The invention relates to the technical field of bridges, in particular to an overweight prevention device for a bridge.
Background
From ancient times to present, bridges always provide various conveniences for people of all countries in the world, more and more bridges and larger bridges appear before people along with the development of science and technology, and the development of the economic society of people is greatly facilitated.
Along with the development of the traffic industry in China, the health and maintenance of bridges are increasingly concerned by people, the maximum weight of a single vehicle on a bridge is limited during the design of each bridge, the overweight bridge of a passenger car damages the bridge, and the important problem that the health and the service life of the bridge are influenced is solved. However, many existing bridges are not provided with weight detection devices, so that whether the maximum weight of a single vehicle is exceeded or not is difficult to determine when a freight passenger car is loaded on the bridge, the bridge is easy to damage, and bridge safety hazards are caused.
Therefore, we propose a bridge overweight prevention device.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, a plurality of existing bridges are not provided with weight detection devices, whether the weight of a loaded passenger car on the bridge exceeds the maximum weight of a single car on the bridge is difficult to determine, the bridge is easy to damage, and potential safety hazards of the bridge are caused.
In order to achieve the purpose, the invention adopts the following technical scheme: a bridge overweight prevention device comprises a mounting groove dug on the ground, wherein the mounting groove is positioned at the entrance of a bridge, two first rotating seats are symmetrically and fixedly arranged in the mounting groove, each first rotating seat is rotatably connected with a bearing plate, two fixing plates are pre-embedded at two sides of the mounting groove, one end of each bearing plate is correspondingly positioned at the upper end of each fixing plate, one end of each bearing plate, which is close to each fixing plate, is fixedly filled with a balancing weight, the upper ends of the two fixing plates are symmetrically and fixedly connected with two frame bodies, the top end of each frame body is fixedly connected with a mounting block, the upper end of each mounting block is fixedly provided with a second rotating seat, the two second rotating seats are symmetrically and rotatably connected with two brake rods, the upper end of each frame body is provided with a first sliding groove, and the inside of the first sliding groove is slidably connected with a first sliding block, a first connecting rod is rotatably connected to the upper end of each first sliding block, a first connecting seat is fixedly connected to the side wall of each brake rod, one end of each first connecting rod, far away from the first sliding block, is rotatably connected to the first connecting seat, a first fixing rod is fixedly connected to the side wall of each first sliding block, near the mounting block, and is in through sliding connection with the mounting block, a first spring is fixedly connected between each first sliding block and the mounting block and sleeved outside the first fixing rod, a groove is formed in the bottom end of each first sliding block, a second sliding block is slidably connected inside the groove, a second fixing rod is fixedly connected to one end of each second sliding block, far away from the groove, and is in through sliding connection with the frame body, the second slider and the equal fixedly connected with second spring of support body inner wall, and the equal fixed cover of second spring is established outside the second dead lever, fixed mounting has trigger mechanism between second dead lever and the bearing plate, every equal fixed mounting has canceling release mechanical system between brake lever and support body.
In the device for preventing the overweight of the bridge, the triggering mechanism comprises connecting blocks fixedly connected with the bottom ends of second fixing rods, each connecting block is fixedly provided with a second connecting seat, the side wall of each frame body is provided with a second sliding chute, the inside of each second sliding chute is connected with a sliding seat in a sliding way, a second connecting rod and a third connecting rod are rotatably connected on the sliding seats, one end of the second connecting rod, which is far away from the sliding seats, is rotatably connected on the second connecting seat, each frame body is also in penetrating sliding connection with a top block, the upper end of each top block is fixedly provided with a third connecting seat, the one end that the sliding seat was kept away from to the third connecting rod all rotates to be connected on the third connecting seat, every equal fixedly connected with transfer line in bearing plate upper end, the transfer line corresponds and is located the kicking block under.
In foretell be arranged in bridge overweight prevention device, canceling release mechanical system includes every support body lateral wall fixed connection's support frame, the equal fixed mounting in support frame upper end has the motor, equal fixed cover is equipped with a reel on the output rod of motor, all the winding has the stay cord, every on the reel equal fourth connecting seat of fixedly connected with on the lateral wall of brake lever, the one end that the reel was kept away from to the stay cord all corresponds fixed connection on the fourth connecting seat.
In the device for preventing overweight of the bridge, a deceleration strip is fixedly arranged on the right side ground of the mounting groove.
In the device for preventing the overweight of the bridge, the side walls of the second rotating seats are fixedly provided with the wire guide wheels matched with the pull ropes for use.
In the device for preventing overweight of bridge, the inside of the second sliding chute is fixedly connected with a limiting rod matched with the sliding seat for use, and the sliding seat is in sliding connection with the limiting rod in a penetrating way.
Compared with the prior art, the bridge overweight prevention device has the advantages that: 1. the method comprises the steps that a load-carrying vehicle is detected by arranging an initial balanced bearing plate, when the vehicle exceeds the maximum weight of a single vehicle on a bridge limited by the bridge, a brake lever is put down through a transmission structure to intercept overweight vehicles, the bridge is prevented from being damaged by forcibly riding the bridge, and the bridge structure is protected; 2. guide overweight vehicle to temporary parking point through the direction mark on the brake lever, rethread driving motor tightens up the stay cord and makes the brake lever reset, continues to detect next vehicle, can not hinder the traffic.
Drawings
Fig. 1 is a schematic structural view of an overweight prevention device for a bridge according to the present invention;
fig. 2 is a side view of an overweight prevention device for a bridge according to the present invention;
FIG. 3 is a view of the bridge overweight prevention device according to the present invention from the A-A direction;
fig. 4 is an enlarged schematic view of a portion a of a bridge overweight prevention device according to the present invention;
fig. 5 is an enlarged schematic view of a part B of a bridge overweight prevention device according to the present invention.
In the figure: the device comprises a mounting groove 1, a first rotating seat 2, a bearing plate 3, a fixing plate 4, a balancing weight 5, a frame body 6, a mounting block 7, a second rotating seat 8, a brake rod 9, a first sliding groove 10, a first sliding block 11, a first connecting seat 12, a first connecting rod 13, a first fixing rod 14, a first spring 15, a groove 16, a second sliding block 17, a second fixing rod 18, a second spring 19, a connecting block 20, a second sliding groove 21, a sliding seat 22, a second connecting rod 23, a third connecting rod 24, a second connecting seat 25, a top block 26, a third connecting seat 27, a transmission rod 28, a support frame 29, a motor 30, a winding wheel 31, a pull rope 32, a fourth connecting seat 33, a speed reducing belt 34, a guide wheel 35 and a limiting rod 36.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-5, a bridge overweight prevention device comprises a mounting groove 1 dug on the ground, wherein the mounting groove 1 is positioned at the entrance of a bridge, a deceleration strip 34 is fixedly arranged on the ground on the right side of the mounting groove 1 to decelerate the upper end of a bridge-entering vehicle running on a bearing plate 3, so as to prevent the occurrence of brake impact, two first rotating seats 2 are symmetrically and fixedly arranged in the mounting groove 1, each first rotating seat 2 is rotatably connected with a bearing plate 3, two fixing plates 4 are pre-embedded on the two sides of the mounting groove 1, one end of each bearing plate 3 is correspondingly positioned at the upper end of each fixing plate 4, a balancing weight 5 is fixedly filled at one end of each bearing plate 3 close to each fixing plate 4, two frame bodies 6 are symmetrically and fixedly connected at the upper ends of the two fixing plates 4, a mounting block 7 is fixedly connected at the top end of each frame body 6, a second rotating seat 8 is fixedly arranged at the, two brake rods 9 are symmetrically and rotatably connected to the two second rotating seats 8, right-turn steering markers are pasted on the brake rods 9, a temporary parking point for overweight vehicles is arranged at the right end of the device to prevent traffic obstruction, a first chute 10 is formed in the upper end of each frame body 6, a first sliding block 11 is slidably connected inside the first chute 10, a first connecting rod 13 is rotatably connected to the upper end of each first sliding block 11, a first connecting seat 12 is fixedly connected to the side wall of each brake rod 9, one end of each first connecting rod 13, far away from the first sliding block 11, is rotatably connected to the first connecting seat 12, a first fixing rod 14 is fixedly connected to the side wall of each first sliding block 11, close to the mounting block 7, the first fixing rod 14 is in penetrating and sliding connection with the mounting block 7, a first spring 15 is fixedly connected between the first sliding block 11 and the mounting block 7, and the first spring 15 is sleeved outside the first fixing rod 14, every 11 bottoms of first slider still all offer flutedly 16, the inside equal sliding connection of recess 16 has a second slider 17, the equal fixedly connected with second dead lever 18 of one end that recess 16 was kept away from to second slider 17, the one end that second slider 17 was kept away from to second dead lever 18 all runs through support body 6 and with support body 6 sliding connection, second slider 17 and the equal fixedly connected with second spring 19 of support body inner wall, and the equal fixed cover of second spring 19 is established outside second dead lever 18.
A trigger mechanism is fixedly arranged between the second fixing rod 18 and the bearing plate 3, the trigger mechanism comprises connecting blocks 20 fixedly connected with the bottom ends of the second fixing rods 18, each connecting block 20 is fixedly provided with a second connecting seat 15, the side wall of each frame body 6 is provided with a second sliding groove 21, the inside of each second sliding groove 21 is slidably connected with a sliding seat 22, the inside of each second sliding groove 21 is fixedly connected with a limiting rod 36 matched with the sliding seat 22 for use, the sliding seat 22 is in through sliding connection with the limiting rod 36, so that the sliding seat 22 slides more stably, the sliding seat 22 is rotatably connected with a second connecting rod 23 and a third connecting rod 24, one end of the second connecting rod 23 far away from the sliding seat 22 is rotatably connected with the second connecting seat 25, each frame body 6 is also in through sliding connection with a top block 26, the upper end of each top block 26 is fixedly provided with a third connecting seat 27, one end of the third connecting rod 24, which is far away from the sliding seat 22, is rotatably connected to the third connecting seat 27, the upper end of each bearing plate 3 is fixedly connected to a transmission rod 28, and the transmission rod 28 is correspondingly located right below the top block 26.
Every brake lever 9 all corresponds and has canceling release mechanical system with 6 fixed mounting of support body, canceling release mechanical system includes 6 lateral wall fixed connection's of every support body support frame 29, the equal fixed mounting in support frame 29 upper end has motor 30, motor 30 adopts servo motor, receive and release through control motor 30 control stay cord 32, the slope is equipped with the strengthening rib between support frame 29 and support body 6, make support frame 29 more stable to motor 30's bearing structure, equal fixed cover is equipped with a reel 31 on motor 30's the output pole, it has stay cord 32 all to twine on the reel 31, equal fourth connecting seat 33 of fixedly connected with on every brake lever 9's the lateral wall, the one end that reel 31 was kept away from to stay cord 32 all corresponds fixed connection on fourth connecting seat 33, equal fixed mounting has the wire wheel 35 that cooperation stay cord 32 used on the 8 lateral walls of second rotation seat, it is.
When the device is used, the device is arranged at the inlets at two ends of a bridge, because the fixed plate 4 supports one end of the bearing plate 3 carrying the balancing weight 5, the two bearing plates 3 are kept horizontal, a vehicle with normal load can normally run on the bridge by the surfaces of the bearing plates 3, when the weight of the vehicle exceeds the limit of the bridge, the vehicle is decelerated by the deceleration strip 34 and then runs on the upper end of the bearing plate 3, the pressure of the vehicle on the bearing plate 3 is larger than the force applied to the bearing plates 3 by the two balancing weights 5, the two ends of the two bearing plates 3 are tilted, the transmission rods 28 at the two ends of the two bearing plates 3 push the jacking block 26, the jacking block 26 slides upwards along the frame body 6 to push the third connecting rod 24, the third connecting rod 24 pushes the sliding seat 22 to slide in the second sliding groove 21, so as to push the second connecting rod 23 to push the connecting block 20 and the second fixed rod 18 to descend along, when the second sliding block 17 is separated from the groove 16 at the bottom end of the first sliding block 11, the first sliding block 11 is pushed by the elastic force of the first spring 14 to slide along the first sliding groove 10, the first sliding block 11 slides and pulls the first connecting rod 13, the first connecting rod 13 pulls the brake rod 9 to rotate along the second rotating seat 8 to block the traveling route of the vehicle, and the direction arrow on the brake rod 9 guides the overweight vehicle to turn and travel to the space on the right side of the device to prevent traffic obstruction; after the overloaded vehicle drives away from the bearing plate 3, the motor 30 drives the reel 31 to tighten the pull rope 32, the pull rope 32 pulls the brake rod 9 to lift up again, the brake rod 9 pulls the first slide block 11 to slide along the first sliding groove 10 in the lifting process, until the second spring 19 clamps the second slide block 17 at the rod end of the second fixing rod 18 into the groove 16 at the bottom of the first slide block 11 again, the brake rod 9 can be reset, and the bearing plate 3 also restores to be horizontal to continue to detect the next upper axle vehicle.
Although the terms of the mounting groove 1, the first rotating seat 2, the bearing plate 3, the fixing plate 4, the weight block 5, the frame body 6, the mounting block 7, the second rotating seat 8, the brake rod 9, the first sliding slot 10, the first sliding block 11, the first connecting seat 12, the first connecting rod 13, the first fixing rod 14, the first spring 15, the groove 16, the second sliding block 17, the second fixing rod 18, the second spring 19, the connecting block 20, the second sliding slot 21, the sliding seat 22, the second connecting rod 23, the third connecting rod 24, the second connecting seat 25, the top block 26, the third connecting seat 27, the driving rod 28, the supporting frame 29, the motor 30, the reel 31, the pulling rope 32, the fourth connecting seat 33, the speed reducing belt 34, the wire guiding wheel 35, the limiting rod 36, and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (6)
1. The bridge overweight prevention device comprises a mounting groove (1) dug on the ground, wherein the mounting groove (1) is positioned at the entrance of a bridge, and is characterized in that two first rotating seats (2) are symmetrically and fixedly mounted in the mounting groove (1), each first rotating seat (2) is rotatably connected with a bearing plate (3), two fixing plates (4) are pre-embedded on two sides of the mounting groove (1), one ends of the two bearing plates (3) are respectively and correspondingly positioned at the upper ends of the fixing plates (4), one ends of the bearing plates (3) close to the fixing plates (4) are fixedly filled with balancing weights (5), the upper ends of the two fixing plates (4) are symmetrically and fixedly connected with two frame bodies (6), the top end of each frame body (6) is fixedly connected with a mounting block (7), and the upper end of each mounting block (7) is fixedly mounted with a second rotating seat (8), two brake rods (9) are symmetrically and rotatably connected to the two second rotating seats (8), a first sliding groove (10) is formed in the upper end of each frame body (6), a first sliding block (11) is slidably connected inside each first sliding groove (10), a first connecting rod (13) is rotatably connected to the upper end of each first sliding block (11), a first connecting seat (12) is fixedly connected to the side wall of each brake rod (9), one end, far away from the first sliding block (11), of each first connecting rod (13) is rotatably connected to the first connecting seat (12), a first fixing rod (14) is fixedly connected to the side wall, close to the mounting block (7), of each first sliding block (11), a first spring (15) is fixedly connected between each first sliding block (11) and the mounting block (7), and the first springs (15) are all sleeved outside the first fixed rods (14), the bottom end of each first sliding block (11) is also provided with a groove (16), a second sliding block (17) is connected inside the groove (16) in a sliding manner, a second fixing rod (18) is fixedly connected at one end of the second sliding block (17) far away from the groove (16), one end of the second fixed rod (18) far away from the second sliding block (17) penetrates through the frame body (6) and is connected with the frame body (6) in a sliding way, the second sliding block (17) and the inner wall of the frame body are both fixedly connected with a second spring (19), and the second springs (19) are fixedly sleeved outside the second fixed rod (18), a trigger mechanism is fixedly mounted between the second fixing rod (18) and the bearing plate (3), and a reset mechanism is fixedly mounted between the brake rod (9) and the frame body (6).
2. The bridge overweight prevention device according to claim 1, wherein the triggering mechanism comprises connecting blocks (20) fixedly connected with the bottom ends of the second fixing rods (18), each connecting block (20) is fixedly provided with a second connecting seat (15), the side wall of each frame body (6) is provided with a second sliding chute (21), the inside of each second sliding chute (21) is slidably connected with a sliding seat (22), the sliding seat (22) is rotatably connected with a second connecting rod (23) and a third connecting rod (24), one end of the second connecting rod (23) far away from the sliding seat (22) is rotatably connected with a second connecting seat (25), each frame body (6) is also slidably connected with a top block (26), and the upper end of each top block (26) is fixedly provided with a third connecting seat (27), one end, far away from the sliding seat (22), of the third connecting rod (24) is rotatably connected to a third connecting seat (27), a transmission rod (28) is fixedly connected to the upper end of the bearing plate (3), and the transmission rod (28) is correspondingly located under the ejector block (26).
3. The overweight preventing device for bridge according to claim 1, wherein the resetting mechanism comprises a support frame (29) fixedly connected with the side wall of each frame body (6), the upper end of each support frame (29) is fixedly provided with a motor (30), the output rod of each motor (30) is fixedly sleeved with a reel (31), each reel (31) is wound with a pull rope (32), each brake rod (9) is fixedly connected with a fourth connecting seat (33) on the outer side wall, and one end of each pull rope (32) far away from each reel (31) is correspondingly and fixedly connected to the fourth connecting seat (33).
4. The bridge overweight prevention device of claim 1, wherein a deceleration strip (34) is fixedly installed on the right side ground of the installation groove (1).
5. A device for preventing overweight of bridge according to claim 3, characterized in that the side wall of the second rotary seat (8) is fixedly provided with a wire guide wheel (35) used with the pull rope (32).
6. The device according to claim 2, wherein a limiting rod (36) used in cooperation with the sliding seat (22) is fixedly connected to the inside of the second sliding groove (21), and the sliding seat (22) is slidably connected to the limiting rod (36) in a penetrating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810596775.8A CN108914821B (en) | 2018-06-11 | 2018-06-11 | Overweight device is prevented to bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810596775.8A CN108914821B (en) | 2018-06-11 | 2018-06-11 | Overweight device is prevented to bridge |
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| CN108914821A CN108914821A (en) | 2018-11-30 |
| CN108914821B true CN108914821B (en) | 2020-11-20 |
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| CN201810596775.8A Active CN108914821B (en) | 2018-06-11 | 2018-06-11 | Overweight device is prevented to bridge |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653128B (en) * | 2019-02-18 | 2021-06-15 | 山东鑫阳专用汽车制造有限公司 | Overweight detection intercepting device of bridge car |
| CN109827648B (en) * | 2019-03-19 | 2020-11-24 | 哈工大泰州创新科技研究院有限公司 | Automobile overweight detection device for bridge |
| CN112681111A (en) * | 2020-12-24 | 2021-04-20 | 南通市交通建设工程有限公司 | Assembled highway steel bridge of high security |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57166517A (en) * | 1981-04-08 | 1982-10-14 | Toyota Motor Corp | Device for measuring center of gravity |
| GB2178546A (en) * | 1985-06-20 | 1987-02-11 | Softlife Limited | Vehicle load-measuring system |
| CN203514228U (en) * | 2013-09-30 | 2014-04-02 | 范洪涛 | Device for bridge overloading limiting |
| CN203821271U (en) * | 2014-03-20 | 2014-09-10 | 司功帆 | Road and bridge loading limit protector |
| CN106017633B (en) * | 2016-05-10 | 2018-08-07 | 蚌埠市瑞丰衡器制造有限公司 | A kind of practical truck scale |
| CN206248189U (en) * | 2016-12-06 | 2017-06-13 | 东莞市科力达衡器有限公司 | It is anti-to rush a pound electronic vehicle weighing apparatus |
| CN206593738U (en) * | 2017-04-14 | 2017-10-27 | 湖南万通科技股份有限公司 | A kind of self-measuring device |
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