Vehicle weighing system

Abstract

The utility model provides a vehicle weighing system, which comprises a plurality of weighing modules, a data acquisition module and a data processing display module, and is characterized in that the data acquisition module is in signal connection with the weighing modules and is used for acquiring weighing data; the data acquisition module is in signal connection with the data processing display module and is used for transmitting data into the data processing display module for data processing, the weighing modules are installed on a track of the monolithic track bed side by side, and each weighing module comprises a first weighing platform and a second weighing platform; the first weighing platform and the second weighing platform have the same structure, are symmetrically mounted on the inner side of a track of the monolithic track bed left and right, and are connected and mounted through at least two adjustable connecting rods. According to the vehicle weighing system, light weight and modularization concept design is adopted, wheel position misreading and data error generation of the vehicle in the data acquisition process can be effectively prevented, the accuracy and precision of data acquisition are ensured, field debugging and fault finding and removing are more convenient, and operation is more convenient.

Description

Technical Field

[0001] The utility model relates to the field of vehicle detection equipment, in particular to a vehicle weighing system. Background Art

[0002] The vehicle weighing system is used for static weighing of vehicles after maintenance, to detect the wheel weight, axle weight and vehicle weight of the vehicle, and automatically calculate the wheel weight difference, axle weight difference and single-side wheel weight difference, and automatically generate, save and print the inspection report. The current vehicle weighing system uses analog signals to display wheel weight and axle weight. Each bogie is equipped with a data acquisition module, which is responsible for collecting the weighing data of all wheel weight measurement units of the bogie, and transmits the weighing data to the data processing and display terminal through the bus and data conversion module. That is, the existing vehicle weighing system has a process of secondary data collection and conversion of the bogie, which is easy to cause misreading of wheel position and data errors during data collection, and is not convenient for finding and troubleshooting. Utility Model Content

[0003] The purpose of the utility model is to provide a vehicle weighing system to solve the technical problems in the background technology.

[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions:

[0005] A vehicle weighing system includes several weighing modules, a data acquisition module and a data processing and display module. The data acquisition module is connected to the weighing module signal for collecting weighing data, and the data acquisition module is connected to the data processing and display module signal for transmitting data to the data processing and display module for data processing. Several weighing modules are installed side by side on the track of the integral roadbed. The weighing module includes a first weighing platform and a second weighing platform. The first weighing platform and the second weighing platform have the same structure and are symmetrically installed on the inner side of the track of the integral roadbed. The first weighing platform and the second weighing platform are connected and installed by at least two adjustable connecting rods.

[0006] The first weighing platform includes a base and a weighing sensor. Positioning blocks are symmetrically provided at the front and rear ends of one side of the base. The distance between the two positioning blocks forms an accommodating cavity for placing the data acquisition module. The positioning block is provided with mounting holes running through the front and rear ends thereof. The mounting holes are communicated with the accommodating cavity. The weighing sensor spans the accommodating cavity and is installed in the mounting hole of the positioning block. A bearing assembly is placed above the weighing sensor to support the wheel.

[0007] The weighing sensor includes a weighing sensing part and a support beam. The support beam is provided with two and is symmetrically arranged at the front and rear ends of the weighing sensing part. The support beam is fixed in the mounting hole. Pressure blocks are respectively fixed above the support beams. The pressure blocks are fixedly connected to the positioning blocks.

[0008] The bearing assembly includes a main board and two transition plates. The main board corresponds to the weighing sensing part of the weighing sensor. The transition plates are on the front and rear sides of the main board and cover the pressure block. The thickness of the transition plates gradually decreases from one side close to the main board to the other side, so that a slope structure is formed on its surface.

[0009] The adjustable connecting rod includes a sleeve and a screw rod. One side of the sleeve is rotatably connected to the first weighing platform or the second weighing platform. The other side of the sleeve is provided with an adjustment hole. The adjustment hole is provided with an internal thread threadedly connected to one end of the screw rod. The other side of the screw rod is rotatably connected to the second weighing platform or the first weighing platform.

[0010] Compared with the prior art, a vehicle weighing system of the present application is designed with a lightweight and modular concept. Compared with traditional weighing equipment, the mechanical structure is simpler, more universal, lighter, and less expensive. The process of secondary data collection and conversion is reduced. The weighing system of the present application can effectively prevent the misreading of the vehicle's wheel position during data collection and the generation of data errors, thereby ensuring the accuracy and precision of data collection, making it easier to conduct on-site debugging and troubleshooting, and making the operation more convenient. Moreover, the structure of the system can be quickly assembled and disassembled without being restricted by space or location, thus realizing portable weighing and measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 : Schematic diagram of the three-dimensional structure of the weighing module in this application;

[0012] Figure 2 : The three-dimensional structure diagram of the first weighing platform;

[0013] Figure 3 : Main view of the first weighing platform;

[0014] Figure 4 : Three-dimensional structure diagram of the base;

[0015] Figure 5 : Installation structure diagram of weighing sensor and first weighing platform;

[0016] Figure 6 : Installation structure diagram of the pressing block and the first weighing platform;

[0017] Figure 7 : Stereoscopic structure diagram of adjustable connecting rod;

[0018] Figure 8 : Weighing module installation and track installation effect diagram;

[0019] Fig. 9 : Electrical control layout diagram of this application. DETAILED DESCRIPTION

[0020] Specific embodiment 1: Please refer to Figures 1 to 9In the embodiment of the utility model, a vehicle weighing system includes several weighing modules 1, a data acquisition module 6 and a data processing and display module 7. The data acquisition module 6 is connected to the weighing module 1 by signal to collect weighing data. The data acquisition module 6 is connected to the data processing and display module 7 by signal to transmit data to the data processing and display module 7 for data processing. The data acquisition module 6 is a junction box integrating data acquisition and conversion, which is responsible for transmitting the weighing data of each weighing module 1. The output of the junction box adopts RS485 communication. The data processing and display module 7 can realize The system has the functions of receiving, calculating, displaying in real time, automatically generating reports, storing and printing current data; a plurality of weighing modules 1 are installed side by side on the track 5 of the integral track bed, the weighing module 1 comprises a first weighing platform 2 and a second weighing platform 4, the first weighing platform 2 and the second weighing platform 4 have the same structure and are installed symmetrically on the inner side of the track 5 of the integral track bed, the first weighing platform 2 and the second weighing platform 4 are connected and installed by at least two adjustable connecting rods 3, the weighing modules 1 are arranged according to the wheelbase and fixed distance of the vehicle to be tested, two weighing modules 1 form a set, and each axle of the vehicle corresponds to a set of weighing modules 1.

[0021] The first weighing platform 2 includes a base 201 and a weighing sensor 204. Positioning blocks 202 are symmetrically provided at the front and rear ends of one side of the base 201. The distance between the two positioning blocks 202 forms a accommodating cavity 203 for placing the data acquisition module 6. The other side of the base 201 is provided with several threading holes 207 that are connected to the accommodating cavity 203. The threading holes 207 can be used for supporting and installing cables. The positioning block 202 is provided with a mounting hole 202-1 that runs through the front and rear ends thereof. The mounting hole 202-1 is connected to the accommodating cavity 203. The weighing sensor 204 spans the accommodating cavity 203 and is installed in the mounting hole 202-1 of the positioning block 202. A bearing assembly 206 is placed above the weighing sensor 204 to support the wheel.

[0022] The weighing sensor 204 includes a weighing sensing part 204-1 and a support beam 204-2. The support beam 204-2 is provided with two symmetrical front and rear ends of the weighing sensing part 204-1. The support beam 204-2 is fixed in the mounting hole 202-1. A pressure block 205 is fixed above the support beam 204-2. The pressure block 205 is fixedly connected to the positioning block 202.

[0023] The bearing assembly 206 includes a main board 206-1 and two transition plates 206-2. The main board 206-1 corresponds to the weighing sensing part 204-1 of the weighing sensor 204. The transition plates 206-2 are on the front and rear sides of the main board 206-1 and cover the pressure block 205. The thickness of the transition plate 206-2 gradually decreases from one side close to the main board 206-1 to the other side so that a slope structure 206-2-1 is formed on its surface. The slope structure 206-2-1 is provided to facilitate the vehicle to drive onto the weighing sensor 204. When not weighing, the bearing assembly 206 can be removed and the weighing sensor 204 below can be covered with a protective cover, so that the locomotive can pass on it without removing the weighing device.

[0024] The adjustable connecting rod 3 includes a sleeve 301 and a screw rod 302. One side of the sleeve 301 is rotatably connected to the first weighing platform or the second weighing platform. An adjustment hole is provided on the other side of the sleeve 301. An internal thread is provided in the adjustment hole and is threadedly connected to one end of the screw rod 302. The other side of the screw rod 302 is rotatably connected to the second weighing platform or the first weighing platform. The screw rod 302 or the sleeve 301 is rotated to adjust the position of the screw rod 302 connected to the sleeve 301, so that the distance between the two weighing platforms can be adjusted according to vehicles of different widths, making the entire weighing module 1 more versatile.

[0025] How to use the weighing system in this application:

[0026] Weighing modules 1 are installed on the track 5 according to the number of uses, and each weighing module 1 is installed with a junction box. The weighing data of each weighing module 1 is transmitted through the junction box. The output of the junction box adopts RS485 communication. Each weighing module 1 is connected to the adapter power supply (containing RS485-USB conversion module) through a data transmission cable. The data transmission cable is a 5*0.75mm2 shielded cable. The cable is protected by a metal hose. Both ends of the cable are equipped with five-core aviation plugs. The data processing and display module 7 can realize data reception, calculation, real-time display, automatic report generation, storage and printing functions.

[0027] Compared with the prior art, a vehicle weighing system of the present application is designed with a lightweight and modular concept. Compared with traditional weighing equipment, the mechanical structure is simpler, more universal, lighter, and less expensive. The process of secondary data collection and conversion is reduced. The weighing system of the present application can effectively prevent the misreading of the vehicle's wheel position during data collection and the generation of data errors, thereby ensuring the accuracy and precision of data collection, making it easier to conduct on-site debugging and troubleshooting, and making the operation more convenient. Moreover, the structure of the system can be quickly assembled and disassembled without being restricted by space or location, thus realizing portable weighing and measurement.

[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the foregoing exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A vehicle weighing system, characterized in that: It includes several weighing modules, data acquisition modules and data processing and display modules. The data acquisition module is connected to the weighing module signal for collecting weighing data. The data acquisition module is connected to the data processing and display module signal for transmitting data to the data processing and display module for data processing. Several weighing modules are installed side by side on the track of the integral track bed. The weighing module includes a first weighing platform and a second weighing platform. The first weighing platform and the second weighing platform have the same structure and are symmetrically installed on the inner side of the track of the integral track bed. The first weighing platform and the second weighing platform are connected and installed by at least two adjustable connecting rods.

2. A vehicle weighing system according to claim 1, characterized in that: The first weighing platform includes a base and a weighing sensor. Positioning blocks are symmetrically provided at the front and rear ends of one side of the base. The distance between the two positioning blocks forms an accommodating cavity for placing the data acquisition module. The positioning block is provided with mounting holes running through the front and rear ends thereof. The mounting holes are communicated with the accommodating cavity. The weighing sensor spans the accommodating cavity and is installed in the mounting hole of the positioning block. A bearing assembly is placed above the weighing sensor to support the wheel.

3. A vehicle weighing system according to claim 2, characterized in that: The weighing sensor includes a weighing sensing part and a support beam. The support beam is provided with two and is symmetrically arranged at the front and rear ends of the weighing sensing part. The support beam is fixed in the mounting hole. Pressure blocks are respectively fixed above the support beams. The pressure blocks are fixedly connected to the positioning blocks.

4. A vehicle weighing system according to claim 3, characterized in that: The bearing assembly includes a main board and two transition plates. The main board corresponds to the weighing sensing part of the weighing sensor. The transition plates are on the front and rear sides of the main board and cover the pressure block. The thickness of the transition plates gradually decreases from one side close to the main board to the other side, so that a slope structure is formed on its surface.

5. A vehicle weighing system according to claim 4, characterized in that: The adjustable connecting rod includes a sleeve and a screw rod. One side of the sleeve is rotatably connected to the first weighing platform or the second weighing platform. The other side of the sleeve is provided with an adjustment hole. The adjustment hole is provided with an internal thread threadedly connected to one end of the screw rod. The other side of the screw rod is rotatably connected to the second weighing platform or the first weighing platform.

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