Road and bridge overload detection device

Abstract

The utility model discloses a road and bridge overload detection device, and belongs to the field of vehicle overload detection. A road and bridge overload detection device comprises a weighing wagon balance and a guide table arranged at the inlet and outlet end of the weighing wagon balance, and further comprises a cleaning brush with the same length as the weighing wagon balance, the cleaning brush vertically moves in the direction in which a vehicle enters and exits the weighing wagon balance, a driving groove is formed in the surface of the weighing wagon balance, and the driving groove is used for driving the weighing wagon balance to rotate. A driving part for driving the cleaning brush to slide back and forth is arranged in the driving groove, the water storage tanks are fixed to the two sides of the weighing wagon balance, and atomizing nozzles are arranged at the tops of the water storage tanks at equal intervals; the driving motor drives the reciprocating lead screw to rotate, so that the limiting sliding block drives the cleaning brush to slide on the surface of the weighing wagon balance, impurities such as soil attached to the surface of the weighing wagon balance are removed, the influence of the impurities such as the soil on the detection result is avoided, the cleanliness of the surface of the weighing wagon balance is improved, and meanwhile the detection efficiency is improved. And the accuracy of the detection result is also improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle overload detection, in particular to a road bridge overload detection device. Background Art

[0002] Vehicle overload detection is a technology used to determine whether a vehicle exceeds its designed load limit. Overloading may cause vehicle loss of balance, difficulty in handling, increased braking distance, and damage to the road surface, which has a negative impact on the service life of roads and bridges.

[0003] A road bridge overload detection device with publication number "CN216925756U" includes a weighing scale, the weighing scale is arranged on the surface of the roadbed, the surface of the weighing scale is provided with two braking structures, the braking structure includes a fixed block, the fixed block is welded to the side of the weighing scale, the surface of the fixed block is rotatably connected to a first baffle, the surface of the first baffle is rotatably connected to a connecting rod, the arc surface of the connecting rod is rotatably connected to a second baffle, the side of the second baffle is rotatably connected to a movable block, the surface of the movable block is threadedly connected to a screw rod, one end of the screw rod is rotatably connected to the fixed block, the surface of the movable block is slidably inserted with a limit rod, one end of the limit rod is fixedly connected to the fixed block, and the surface of the weighing scale is fixedly connected with two slides. The problem in the prior art that rainy and snowy weather will greatly reduce the friction of the weighing scale surface, causing the truck to slide during braking, is solved.

[0004] However, the above existing patents still have the following shortcomings: first, the use of the cleaning brush needs to be manually pulled, which is troublesome to operate and has poor use effect; second, when the vehicle brakes at the scale, it will bring up a certain amount of dust, causing a decrease in environmental quality. Therefore, a road and bridge overload detection device is proposed. Utility Model Content

[0005] The utility model aims to solve the problems in the prior art that it is cumbersome to clean the surface of the scale and that vehicles driving over will raise dust, causing a decrease in environmental quality, and proposes a road and bridge overload detection device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A road bridge overload detection device, comprising a weighing scale and a guide platform arranged at the inlet and outlet end of the weighing scale, and further comprising: a cleaning brush having the same length as the weighing scale, the cleaning brush moving vertically along the direction in which the vehicle enters and exits the weighing scale, wherein a driving groove is provided on the surface of the weighing scale, and a driving part driving the cleaning brush to slide back and forth is arranged in the driving groove;

[0008] The water tanks are fixed on both sides of the weighing scale, and atomizing nozzles are arranged at equal intervals on the top of the water tanks. When the water pressure in the water tanks increases, the water flow spraying direction of the atomizing nozzles is perpendicular to the plane where the weighing scale is located.

[0009] In order to improve cleanliness, preferably, the driving part includes: a reciprocating screw rotatably connected to the inlet and outlet ends of the weighing scale, wherein one end of the cleaning brush is fixedly connected to a limit slider corresponding to the driving slot, and the limit slider is threadedly connected to the reciprocating screw; a driving motor fixedly connected to one end of the weighing scale, and the reciprocating screw is fixedly connected to the output end of the driving motor.

[0010] Furthermore, positioning seats are provided on both sides of the weighing scale, and the reciprocating screw rod is rotatably connected to the positioning seats.

[0011] In order to reduce dust pollution, preferably, it further comprises a first cavity and a second cavity separated in the water storage tank by an extrusion plate, and the atomizing nozzle is connected to the first cavity;

[0012] The piston block comprises a piston groove on the guide platform, the piston block is slidably connected in the piston groove, a first spring for resetting the piston block is arranged in the piston groove, and the output end of the piston groove is connected with the second cavity, when the piston block is subjected to the first force, the extrusion plate is subjected to the second force to compress the internal space of the first cavity.

[0013] Furthermore, the water storage tanks on both sides are connected via a first conduit, and the output end of the piston groove is connected to the first conduit.

[0014] Furthermore, a second spring is fixedly connected between the bottom of the extrusion plate and the water storage tank.

[0015] Furthermore, it also includes a water storage barrel, wherein the diversion pipe of the water storage barrel is arranged at the bottom of the side wall thereof, the diversion pipe is connected with the second cavity, and a solenoid valve is arranged in the diversion pipe.

[0016] In order to improve the anti-skid effect, preferably, the weighing scale and the guide platform surface are both provided with anti-skid convex strips.

[0017] Compared with the prior art, the utility model provides a road and bridge overload detection device, which has the following beneficial effects:

[0018] 1. The road and bridge overload detection device drives the reciprocating screw rod to rotate through the driving motor, so that the limit slider drives the cleaning brush to slide on the surface of the weighing scale, so as to remove the dirt and other impurities attached to the surface of the weighing scale, so as to avoid the influence of dirt and other impurities on the detection results, improve the cleanliness of the weighing scale surface, and also improve the accuracy of the detection results.

[0019] 2. Under the action of the vehicle's own weight, the road and bridge overload detection device will squeeze the piston block, thereby squeezing the air pressure in the piston groove into the second cavity on both sides, pushing the extrusion plate to move upward, thereby squeezing the water flow in the water storage tank, so that the water flow is sprayed outward along the atomizing nozzle, thereby forming dust-reducing water mist on both sides of the weighing scale, effectively reducing the dust brought by moving vehicles, achieving dust reduction effect, and improving the cleanliness of the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a road and bridge overload detection device proposed by the utility model;

[0021] Figure 2 This is a schematic diagram of the overall structure of a road and bridge overload detection device proposed by the utility model from a side view;

[0022] Figure 3 This is a schematic diagram of a partial cross-sectional structure of a road and bridge overload detection device proposed by the utility model;

[0023] Figure 4 A road and bridge overload detection device proposed by the utility model Figure 2 A schematic diagram of the enlarged structure of the middle A area;

[0024] Figure 5 The utility model provides a schematic diagram of the internal structure of a water storage tank of a road and bridge overload detection device.

[0025] In the figure: 1. Weighing scale; 2. Guide platform; 3. Cleaning brush; 31. Drive groove; 4. Water storage tank; 41. Atomizing nozzle; 42. Extrusion plate; 5. Reciprocating screw; 51. Limiting slider; 52. Drive motor; 53. Positioning seat; 6. Piston block; 61. Piston groove; 62. First spring; 63. First guide tube; 64. Second spring; 7. Water storage bucket. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0028] Example:

[0029] Reference Figure 1-Figure 5 A road and bridge overload detection device comprises a weighing scale 1 and a guide platform 2 arranged at the entrance and exit end of the weighing scale 1. The weighing scale 1 adopts the existing mature technology, and the specific model can be an SCS series electronic floor scale. The guide platform 2 is an inclined triangle setting, which is used to facilitate the vehicle to enter and exit the weighing scale 1. The surfaces of the weighing scale 1 and the guide platform 2 are both provided with anti-skid convex strips, which are used to increase the friction between the vehicle wheels and the surfaces of the weighing scale 1 and the guide platform 2, thereby achieving an anti-skid effect; and further comprises: a cleaning brush 3 of the same length as the weighing scale 1, the cleaning brush 3 moves vertically along the direction in which the vehicle enters and exits the weighing scale 1. After the vehicle exits the weighing scale 1, the movement of the cleaning brush 3 can remove impurities such as mud adhering to the surface of the weighing scale 1, thereby preventing the mud and other impurities from touching the detection device. The test results are not affected, the cleanliness of the surface of the weighing scale 1 is improved, and the accuracy of the test results is also improved; wherein, a driving groove 31 is opened on the surface of the weighing scale 1, and a driving part for driving the cleaning brush 3 to slide back and forth is arranged in the driving groove 31, and the driving part is used to push the cleaning brush 3 to move; the water storage tank 4 is fixed on both sides of the weighing scale 1, and atomizing nozzles 41 are arranged at equal intervals on the top of the water storage tank 4. When the water pressure in the water storage tank 4 increases, the water flow spraying direction of the atomizing nozzle 41 is perpendicular to the plane where the weighing scale 1 is located. Here, a booster pump can be connected to the water storage tank 4. When a vehicle enters the weighing scale 1, atomized water will be sprayed on both sides of the weighing scale 1, thereby effectively reducing the dust brought by the moving vehicles, achieving the dust reduction effect, and improving the cleanliness of the environment.

[0030] Among them, the driving part includes: a reciprocating screw rod 5 rotatably connected to the inlet and outlet ends of the weighing scale 1, wherein one end of the cleaning brush 3 is fixedly connected with a limiting slider 51 corresponding to the driving groove 31, and the limiting slider 51 slides in contact with the inner wall of the driving groove 31, so that the cleaning brush 3 can be limited to keep moving in a horizontal state, thereby improving the stability of the cleaning brush 3, and the limiting slider 51 is threadedly connected to the reciprocating screw rod 5; a driving motor 52 fixedly connected to one end of the weighing scale 1, and the reciprocating screw rod 5 is fixedly connected to the output end of the driving motor 52. The reciprocating screw rod 5 is driven to rotate by the driving motor 52, so that the limiting slider 51 drives the cleaning brush 3 to slide on the surface of the weighing scale 1, thereby removing impurities such as soil attached to the surface of the weighing scale 1, thereby avoiding the influence of impurities such as soil on the detection results, improving the cleanliness of the surface of the weighing scale 1, and also improving the accuracy of the detection results; positioning seats 53 are arranged on both sides of the weighing scale 1, and the reciprocating screw rod 5 is rotatably connected to the positioning seats 53.

[0031] Reference Figure 4 , Figure 5In order to more conveniently spray water mist, the following structure is designed: it includes a first cavity and a second cavity separated in the water storage tank 4 by an extrusion plate 42, and the atomizing nozzle 41 is connected to the first cavity; a piston block 6, wherein a piston groove 61 is provided on the guide platform 2, and the piston block 6 is slidably connected in the piston groove 61, and a first spring 62 for resetting the piston block 6 is provided in the piston groove 61, and the output end of the piston groove 61 is connected to the second cavity. When the piston block 6 is subjected to a first force, the extrusion plate 42 is subjected to a second force to compress the internal space of the first cavity, and the first force is greater than the sum of the second forces required in the water storage tanks 4 on both sides. When the vehicle enters the weighing scale 1 from the guide platform 2, the piston block 6 will be squeezed under the action of the vehicle's own weight, so that the piston block 6 retracts into the piston groove 61, thereby squeezing the air pressure in the piston groove 61 into the second cavities on both sides, and using this air pressure to push the extrusion plate 42 to move upward, In this way, the water flow in the water storage tank 4 is squeezed, so that the water flow is sprayed outward along the atomizing nozzle 41, thereby forming dust-reducing water mist on both sides of the weighing scale 1, effectively reducing the dust brought by the moving vehicles, achieving the dust reduction effect, and improving the cleanliness of the environment; the water storage tanks 4 on both sides are connected through the first conduit 63, the output end of the piston groove 61 is connected to the first conduit 63, and a second spring 64 is fixedly connected between the bottom of the squeezing plate 42 and the water storage tank 4, and also includes a water storage bucket 7, the diversion pipe of the water storage bucket 7 is arranged at the bottom of its side wall, the diversion pipe is connected to the second cavity, and an electromagnetic valve is arranged in the diversion pipe, through the reset action of the first spring 62 and the second spring 64, the piston block 6 and the squeezing plate 42 can be accelerated to reset, and the electromagnetic valve in the diversion pipe is opened at the same time, so that the water flow in the water storage bucket 7 can be accelerated to be sucked into the first cavity of the water storage tank 4, thereby achieving a continuous supply of water flow and improving the use efficiency.

[0032] Reference Figure 1-Figure 5In the utility model, when in use, the vehicle to be tested drives into the weighing scale 1 from the guide platform 2 on one side. During this process, the wheels will drive on the piston block 6, relying on the vehicle's own gravity to squeeze the piston block 6, so that the piston block 6 retracts into the piston groove 61, thereby squeezing the air pressure in the piston groove 61 into the second cavity on both sides, and using this air pressure to push the squeezing plate 42 to move upward, thereby squeezing the water flow in the water storage tank 4, so that the water flow is sprayed outward along the atomizing nozzle 41, thereby forming dust-reducing water mist on both sides of the weighing scale 1, effectively reducing the dust brought by the moving vehicle, achieving the dust reduction effect, and improving the cleanliness of the environment, and after the wheel leaves the piston block 6, through the first spring 6 2 and the reset action of the second spring 64 can accelerate the reset of the piston block 6 and the extrusion plate 42, and at the same time open the solenoid valve in the diversion pipe, so as to accelerate the water flow in the water storage bucket 7 to be sucked into the first cavity of the water storage tank 4, thus realizing the continuous supply of water flow and improving the use efficiency; then the vehicle drives out of the weighing scale 1 from the other side guide platform 2, and at this time, the driving motor 52 is turned on to drive the reciprocating screw rod 5 to rotate, so that the limiting slider 51 drives the cleaning brush 3 to slide on the surface of the weighing scale 1, so as to remove impurities such as soil attached to the surface of the weighing scale 1, so as to avoid the influence of impurities such as soil on the detection result, improve the cleanliness of the surface of the weighing scale 1, and also improve the accuracy of the detection result.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A road bridge overload detection device, comprising a weighing scale (1) and a guide platform (2) arranged at the inlet and outlet ends of the weighing scale (1), characterized in that: Also includes: A cleaning brush (3) having the same length as the weighing scale (1), the cleaning brush (3) moving vertically in the direction of the vehicle entering or exiting the weighing scale (1), Wherein, a driving groove (31) is provided on the surface of the weighing scale (1), and a driving part for driving the cleaning brush (3) to slide back and forth is arranged in the driving groove (31); A water storage tank (4) is fixed on both sides of the weighing scale (1), and atomizing nozzles (41) are arranged at equal intervals on the top of the water storage tank (4). When the water pressure in the water storage tank (4) increases, the water flow spraying direction of the atomizing nozzle (41) is perpendicular to the plane where the weighing scale (1) is located.

2. A road bridge overload detection device according to claim 1, characterized in that: The driving unit comprises: Rotate the reciprocating screw rod (5) connected to the inlet and outlet ends of the weighing scale (1), One end of the cleaning brush (3) is fixedly connected to a limiting slider (51) corresponding to the driving groove (31), and the limiting slider (51) is threadedly connected to the reciprocating screw rod (5); A driving motor (52) is fixedly connected to one end of the weighing scale (1), and the reciprocating screw rod (5) is fixedly connected to the output end of the driving motor (52).

3. A road bridge overload detection device according to claim 2, characterized in that: Positioning seats (53) are provided on both sides of the weighing scale (1), and the reciprocating screw rod (5) is rotatably connected to the positioning seats (53).

4. A road bridge overload detection device according to claim 1, characterized in that: Also includes: A first cavity and a second cavity are separated in the water storage tank (4) by an extrusion plate (42), and the atomizing nozzle (41) is connected to the first cavity; Piston block (6), The guide platform (2) is provided with a piston groove (61), the piston block (6) is slidably connected in the piston groove (61), a first spring (62) for resetting the piston block (6) is arranged in the piston groove (61), and the output end of the piston groove (61) is connected to the second cavity. When the piston block (6) is subjected to a first force, the extrusion plate (42) is subjected to a second force to compress the internal space of the first cavity.

5. A road and bridge overload detection device according to claim 4, characterized in that: The water storage tanks (4) on both sides are connected via a first conduit (63), and the output end of the piston groove (61) is connected to the first conduit (63).

6. A road bridge overload detection device according to claim 4, characterized in that: A second spring (64) is fixedly connected between the bottom of the extrusion plate (42) and the water storage tank (4).

7. A road and bridge overload detection device according to claim 4, characterized in that: It also comprises a water storage barrel (7), wherein a flow guide pipe of the water storage barrel (7) is arranged at the bottom of the side wall thereof, the flow guide pipe is connected to the second cavity, and a solenoid valve is arranged in the flow guide pipe.

8. A road bridge overload detection device according to claim 1, characterized in that: The surfaces of the weighing scale (1) and the guide platform (2) are both provided with anti-slip convex strips.

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