CN109827648B - Automobile overweight detection device for bridge - Google Patents
Automobile overweight detection device for bridge Download PDFInfo
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- CN109827648B CN109827648B CN201910207406.XA CN201910207406A CN109827648B CN 109827648 B CN109827648 B CN 109827648B CN 201910207406 A CN201910207406 A CN 201910207406A CN 109827648 B CN109827648 B CN 109827648B
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Abstract
The invention discloses an automobile overweight detection device for a bridge, which comprises a foundation, wherein a groove is formed in the upper surface of the foundation, an equipment box is installed in the groove, an installation hole is formed in the upper surface of the equipment box, a plurality of springs are uniformly installed on the inner bottom wall of the equipment box, a bearing plate is welded at the upper ends of the springs together, two one-way racks are symmetrically welded on the lower surface of the bearing plate, two first installation seats and two second installation seats are symmetrically welded in the equipment box, a small chain wheel and a winding roller are coaxially installed on each first installation seat, a large chain wheel and a straight-tooth cylindrical gear are coaxially installed on each second installation seat, and roller chains are sleeved on the large chain wheel and the small chain wheel which are in corresponding positions together. The brake bar has the advantages that the structure is ingenious, the use is convenient, the length of the connecting rope released by the winding roller is increased according to a simple mechanical structure, and the purpose of intercepting overweight vehicles by the brake bar is realized through the self gravity of the brake bar.
Description
Technical Field
The invention relates to the technical field of bridge safety, in particular to an automobile overweight detection device for a bridge.
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.
Most of existing bridges are not provided with overweight prevention detection mechanisms, so that whether a cargo vehicle is overweight or not is difficult to determine when the cargo vehicle is on the bridge, and potential safety hazards of the bridge are easily caused.
To this end, we propose an automobile overweight detection device for bridges to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides an automobile overweight detection device for a bridge.
In order to achieve the purpose, the invention adopts the following technical scheme: an automobile overweight detection device for a bridge comprises a foundation, wherein a groove is formed in the upper surface of the foundation, an equipment box is installed in the groove, a mounting hole is formed in the upper surface of the equipment box, a plurality of springs are evenly installed on the inner bottom wall of the equipment box, a bearing plate is welded together at the upper ends of the springs, the bearing plate is located in the mounting hole of the equipment box, two one-way racks are welded symmetrically on the lower surface of the bearing plate, two first mounting seats and two second mounting seats are welded symmetrically in the equipment box, a small chain wheel and a winding roller are coaxially installed on each first mounting seat, a large chain wheel and a straight-tooth cylindrical gear are coaxially installed on each second mounting seat, each straight-tooth cylindrical gear is meshed with a one-way rack corresponding to the position, and a common chain is sleeved on the large chain wheel and the small chain wheel corresponding to the position, the equipment box is last the symmetrical welding have two cavity mount pads, every equal sliding connection has a piston in the cavity mount pad, every all install on the winding roller and connect the rope, and connect the upper end of rope and install the lower surface at the piston, fixedly connected with support on the piston, it is connected with the brake lever to rotate on the support.
In the automobile overweight detection device for the bridge, the lower end face of the piston is provided with the connecting seat, and the upper end of the connecting rope is tied on the connecting seat.
In the above automobile overweight detection device for a bridge, each hollow mounting seat is provided with a through hole at the upper end, one side wall of each through hole is an inclined wall, the other side wall of each through hole is an arc wall, and the distance between the arc walls on the two hollow mounting seats is smaller than the distance between the two inclined walls.
In the above automobile overweight detection device for a bridge, an inclined plate is welded at the orifice of the through hole, and the side wall of one side of the inclined plate and the inclined wall are located in the same plane.
In the above automobile overweight detection device for a bridge, an inclined plate is welded at the orifice of the through hole, and the side wall of one side of the inclined plate and the inclined wall are located in the same plane.
In foretell an overweight detection device of car for bridge, a plurality of spacing chambeies have evenly been seted up on the loading board, the symmetrical welding has many spacing posts on the interior diapire of equipment box, and the upper end of every spacing post all extends to spacing intracavity and welds the stopper.
Compared with the prior art, the invention has the beneficial effects that:
1. through the spring, one-way rack, straight-tooth cylindrical gear, big sprocket, roller chain and little sprocket drive the clockwise or anticlockwise rotation of wire winding roller, and then realize release or the purpose of winding connection rope, when the overweight vehicle of interception, the action of gravity through brake lever and warning sign drives the support upward movement, lie in the cavity mount pad outside through the through-hole completely until the junction of support and brake lever, the brake lever is in the horizontality this moment, the lateral wall of brake lever offsets with the up end of cavity mount pad, reach the purpose of intercepting overweight vehicle.
2. When the loading board is kept away from to overweight vehicle, the elasticity of spring drives winding roller anticlockwise rotation, drag the piston and move down in the cavity mount pad through the pulling of connecting the rope, when support and brake lever junction got into in the cavity mount pad gradually, the inner wall of through-hole extrudeed the lateral wall of brake lever, the lower extreme of brake lever gets into in the cavity mount pad along the arc wall, in getting into the cavity mount pad completely until support and brake lever junction, the brake lever keeps the state that offsets with the swash plate, the device of being convenient for detects next vehicle.
3. Carry out the transmission through the roller chain between big sprocket and the little sprocket, big sprocket is the same with the linear velocity of little sprocket, big sprocket is along with straight-tooth spur gear rotates certain angle alpha, little sprocket then turned angle beta, beta is greater than alpha, then can guarantee when one-way rack descends certain distance H along with the loading board, the length of the connection rope of winding roller release is H, H is greater than H, guarantee that the brake lever rotates the junction that the in-process has sufficient connection rope can ensure support and brake lever and shift out the cavity mount pad.
In conclusion, the invention has the advantages of ingenious structure and convenient use, the length of the connecting rope released by the winding roller is increased according to the simple mechanical structure, and the purpose of intercepting overweight vehicles by the brake rod is realized through the gravity of the brake rod.
Drawings
Fig. 1 is a schematic structural view of an automobile overweight detection device for a bridge according to the present invention;
FIG. 2 is a schematic structural view of a brake lever of an automobile overweight detection device for a bridge according to the present invention in a horizontal state;
FIG. 3 is an enlarged view of a portion of a large sprocket in the device for detecting overweight in an automobile for a bridge according to the present invention;
fig. 4 is an enlarged view of a portion a in fig. 1.
In the figure: the device comprises a foundation 1, an equipment box 2, a limiting column 3, a unidirectional rack 4, a first mounting seat 5, a connecting rope 6, a hollow mounting seat 7, an inclined wall 71, an arc wall 72, a bearing plate 8, a limiting cavity 9, a spring 10, a limiting block 11, a piston 12, a brake lever 13, a warning board 14, a straight toothed spur gear 15, a large chain wheel 16, a second mounting seat 17, a roller chain 18, a small chain wheel 19, a winding roller 20, an inclined plate 21, a connecting seat 22 and a support 23.
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. 1-4, an automobile overweight detection device for a bridge comprises a foundation 1, wherein a groove is formed in the upper surface of the foundation 1, an equipment box 2 is installed in the groove, a mounting hole is formed in the upper surface of the equipment box 2, a plurality of springs 10 are evenly installed on the inner bottom wall of the equipment box 2, a bearing plate 8 is welded to the upper ends of the springs 10 together, and the bearing plate 8 is located in the mounting hole of the equipment box 2.
Evenly seted up a plurality of spacing chambeies 9 on the loading board 8, the symmetrical welding has many spacing posts 3 on the interior diapire of equipment box 2, and the upper end of every spacing post 3 all extends to spacing intracavity 9 in and the welding has stopper 11, guarantees the stability of loading board 8 at the lift in-process.
The lower surface symmetry welding of loading board 8 has two one-way racks 4, the symmetry welding has two first mount pads 5 and two second mount pads 17 in equipment box 2, equal coaxial arrangement has little sprocket 19 and wire winding roller 20 on every first mount pad 5, equal coaxial arrangement has big sprocket 16 and straight-tooth spur gear 15 on every second mount pad 17, and every straight-tooth spur gear 15 all meshes with the one-way rack 14 that the position is corresponding, it is equipped with roller chain 18 to overlap jointly on the big sprocket 16 that the position is corresponding and the little sprocket 19.
Two cavity mount pads 7 of symmetry welding on equipment box 2, the through-hole has all been seted up to the upper end of every cavity mount pad 7, and a lateral wall of through-hole is skew wall 71, and the welding of drill way department of through-hole has swash plate 21, and a lateral wall of swash plate 21 and skew wall 71 are located the coplanar, and the opposite side lateral wall of through-hole is arc wall 72, and the distance between two cavity mount pads 7 go up the arc wall 72 is less than the distance between two skew walls 71.
Equal sliding connection has piston 12 in every cavity mount pad 7, all installs on every winding roller 20 and connects rope 6, and the lower surface at piston 12 is installed to the upper end of connecting rope 6, and connecting seat 22 is installed to the lower terminal surface of piston 12, and the upper end system of connecting rope 6 is on connecting seat 22, fixedly connected with support 23 on the piston 12, rotates on the support 23 and is connected with brake lever 13, and all the welding has warning sign 14 on every brake lever 13, and warning sign 14 is located brake lever 13 and goes up relative one side.
When the device is used, the device is built at two ends of a bridge, an automobile enters a bearing plate 8 driven into the device after speed reduction movement, when the weight of the automobile exceeds a certain value, the bearing plate 8 moves downwards in the vertical direction, a spring 10 is compressed, a one-way rack 4 moves downwards at the same time, a meshed straight toothed spur gear 15 is driven to rotate clockwise, a large chain wheel 16 coaxially arranged with the straight toothed spur gear 15 rotates clockwise along with the large chain wheel 16, a small chain wheel 19 rotates clockwise through a roller chain 18, a winding roller 20 rotates clockwise along with the small chain wheel, a connecting rope 6 wound on the winding roller 20 is released, as a brake rod 13 keeps an inclined state under the limiting action of an inclined plate 21, as the brake rod 13 and a warning board 14 rotate around a support 23 under the action of gravity, the connection position of the support 23 and the brake rod 13 moves upwards in a hollow mounting seat 7 in the rotation process of the brake rod 13, until the joint of the support 23 and the brake bar 13 passes through the through hole and is positioned outside the hollow mounting seat 7, the side wall of the brake bar 13 is abutted against the upper end surface of the hollow mounting seat 7 (as shown in fig. 2), and the two brake bars 13 horizontally intercept the overweight vehicle;
when the overweight automobile backs away from the bearing plate 8, the spring 10 recovers the original length to drive the one-way rack 4 to move upwards, the straight-toothed spur gear 15 meshed with the one-way rack rotates anticlockwise, the large chain wheel coaxially arranged with the straight-toothed spur gear 12 rotates anticlockwise, the small chain wheel 19 is driven by the roller chain 18 to rotate anticlockwise, the winding roller 20 rotates anticlockwise to wind the connecting rope 6 on the winding roller 20, the piston 12 moves downwards in the hollow mounting seat 7, when the joint of the support 23 and the brake lever 13 gradually enters the hollow mounting seat 7, the inner wall of the through hole extrudes the side wall of the brake lever 13, the lower end of the brake lever 13 enters the hollow mounting seat 7 along the arc wall 72 until the joint of the support 23 and the brake lever 13 completely enters the hollow mounting seat 7, and the brake lever 13 is kept in a state of abutting against the inclined plate 21 (as shown in fig. 1);
when the weight of car does not reach a definite value, the car drives the distance that loading board 8 descends and drives spur gear 15 and rotate, and then drives winding roller 20 through big sprocket 16, roller chain 18 and little sprocket 19 and rotate the length that the release is connected rope 6 and not enough brake lever 13 and the junction of support 23 and pass the through-hole and extend outside cavity mount pad 7, then brake lever 13 can not be in the horizontality and reach the effect of intercepting the car.
Although the terms of the foundation 1, the equipment box 2, the limiting column 3, the one-way rack 4, the first mounting seat 5, the connecting rope 6, the hollow mounting seat 7, the inclined wall 71, the arc wall 72, the bearing plate 8, the limiting cavity 9, the spring 10, the limiting block 11, the piston 12, the brake rod 13, the warning board 14, the spur gear 15, the large sprocket 16, the second mounting seat 17, the roller chain 18, the small sprocket 19, the winding roller 20, the inclined plate 21, the connecting seat 22, the support 23 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 (1)
1. A overweight detection device of car for bridge, includes ground (1), its characterized in that: the upper surface of ground (1) is seted up flutedly, install equipment box (2) in the recess, the mounting hole has been seted up to the upper surface of equipment box (2), evenly install a plurality of springs (10) on the inner diapire of equipment box (2), it is a plurality of the common welding of upper end of spring (10) has loading board (8), and loading board (8) are located the mounting hole of equipment box (2), the lower surface symmetry welding of loading board (8) has two one-way rack (4), the internal symmetry welding of equipment box (2) has two first mount pads (5) and two second mount pads (17), every equal coaxial arrangement has little sprocket (19) and wire reel (20) on first mount pad (5), every equal coaxial arrangement has big sprocket (16) and straight-tooth spur gear (15) on second mount pad (17), and every straight-tooth spur gear (15) all meshes with the corresponding one-way rack (14) in position, the roller chain (18) is sleeved on the large chain wheel (16) and the small chain wheel (19) which correspond to each other in position, the two hollow mounting seats (7) are symmetrically welded on the equipment box (2), a piston (12) is connected in each hollow mounting seat (7) in a sliding mode, a connecting rope (6) is installed on each winding roller (20), the upper end of each connecting rope (6) is installed on the lower surface of the piston (12), a support (23) is fixedly connected to the piston (12), and a brake rod (13) is rotatably connected to the support (23);
the lower end face of the piston (12) is provided with a connecting seat (22), and the upper end of the connecting rope (6) is tied on the connecting seat (22);
the upper end of each hollow mounting seat (7) is provided with a through hole, the side wall of one side of each through hole is an inclined wall (71), the side wall of the other side of each through hole is an arc wall (72), and the distance between the arc walls (72) on the two hollow mounting seats (7) is smaller than the distance between the two inclined walls (71);
an inclined plate (21) is welded at the orifice of the through hole, and the side wall of one side of the inclined plate (21) and the inclined wall (71) are positioned in the same plane;
a warning board (14) is welded on each brake rod (13), and the warning boards (14) are positioned on the opposite sides of the brake rods (13);
evenly seted up a plurality of spacing chambeies (9) on loading board (8), the symmetrical welding has many spacing posts (3) on the inner diapire of equipment box (2), and the upper end of every spacing post (3) all extends to spacing intracavity (9) in and the welding has stopper (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910207406.XA CN109827648B (en) | 2019-03-19 | 2019-03-19 | Automobile overweight detection device for bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910207406.XA CN109827648B (en) | 2019-03-19 | 2019-03-19 | Automobile overweight detection device for bridge |
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| Publication Number | Publication Date |
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| CN109827648A CN109827648A (en) | 2019-05-31 |
| CN109827648B true CN109827648B (en) | 2020-11-24 |
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| CN201910207406.XA Active CN109827648B (en) | 2019-03-19 | 2019-03-19 | Automobile overweight detection device for bridge |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487371B (en) * | 2019-09-19 | 2021-02-02 | 深圳和通天下科技有限公司 | Automatic weighing apparatus for dynamic road vehicles |
| CN110578295A (en) * | 2019-10-18 | 2019-12-17 | 郭鑫 | detection mechanism for limiting overweight vehicle to pass through bridge |
| CN110747768B (en) * | 2019-10-28 | 2021-11-12 | 江苏锡拖农机有限公司 | Overweight-preventing intercepting mechanism with speed-limiting warning effect |
| CN111021184B (en) * | 2019-11-29 | 2021-11-16 | 中国电建市政建设集团有限公司 | System for limiting unit pavement load and working method |
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| CN114596676B (en) * | 2022-01-28 | 2023-06-27 | 广州卓腾科技有限公司 | Self-service certificate photo taking machine |
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| GB112571A (en) * | 1917-05-08 | 1918-01-17 | John Charles Cranston | Improved Apparatus for Determining and Automatically Recording the Weights of Railway Vehicles. |
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| GB855884A (en) * | 1957-07-23 | 1960-12-07 | Adequate Weighers Ltd | Intermittent weighing and weight indicating apparatus |
| CN201575108U (en) * | 2009-01-14 | 2010-09-08 | 余俊均 | Power conversion equipment |
| CN101493083A (en) * | 2009-03-11 | 2009-07-29 | 华北电力大学 | Trample generating set and pedal structure |
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| CN109827648A (en) | 2019-05-31 |
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