CN210570973U - Automobile axle load monitoring and alarming system - Google Patents
Automobile axle load monitoring and alarming system Download PDFInfo
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- CN210570973U CN210570973U CN201921943129.0U CN201921943129U CN210570973U CN 210570973 U CN210570973 U CN 210570973U CN 201921943129 U CN201921943129 U CN 201921943129U CN 210570973 U CN210570973 U CN 210570973U
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- axle load
- load sensor
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- front axle
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Abstract
The utility model belongs to the technical field of car load monitoring, concretely relates to car axle load monitoring alarm system. The front axle load sensor is a strain sensor and is in interference fit with the joint of a steel plate spring and a steel plate spring bracket of a steel plate spring suspension and the joint of the steel plate spring and a lifting lug respectively; the rear axle load sensor is fixed at a balance shaft of a rear axle balance suspension by a mounting bracket; the front axle load sensor and the rear axle load sensor are respectively and electrically connected with the axle load monitoring controller, and the display device and the overload alarm device are respectively and electrically connected with the axle load monitoring controller. The utility model provides an axle load measuring error among the prior art big, measure loaded down with trivial details, unable real-time supervision and the problem of reporting to the police.
Description
Technical Field
The utility model belongs to the technical field of car load monitoring, concretely relates to car axle load monitoring alarm system.
Background
With the high-speed development of automobile industry in China, the quantity of commercial vehicles is larger and larger, and the phenomenon of overrun overload frequently occurs, so that traffic accidents are caused to cause casualties, meanwhile, overload also causes damage to roads, the transportation efficiency is reduced, and the social influence is larger.
The existing axle load monitoring technology is mainly characterized in that a strain sensor is additionally arranged between a steel plate spring and an axle, or the axle load is measured by mounting the strain sensor on an axle housing. For the former measuring mode, the pre-tightening force is lost and unpredictable and compensatable in the running process of the vehicle, so that the measuring precision of the axle load is influenced; for the latter measurement mode, the requirement on the uniformity of axle housing deformation is high during batch production, because the deformation quantity of each axle housing is different when bearing the load with the same size, and the installation of the traditional strain sensor is only carried out under the condition that the axle housings are assembled, each vehicle needs to be calibrated independently, and the calibration difficulty is high and the cost is high.
Therefore, the axle load monitoring system which is high in measurement accuracy, free of large measurement error caused by loss of the pre-tightening force and large in measurement error and difficulty caused by axle housing deformation is developed, and has very important significance.
The invention content is as follows:
the utility model provides an automobile axle load monitoring alarm system has solved the problem that axle load measurement mode has drawback, measurement accuracy is poor, can not report to the police among the prior art.
The utility model discloses a realize through following technical scheme:
the utility model provides an automobile axle load monitoring alarm system which characterized in that: the front axle load sensor is a strain sensor and is in interference fit with the joint of a steel plate spring and a steel plate spring bracket of a steel plate spring suspension and the joint of the steel plate spring and a lifting lug respectively; the rear axle load sensor is fixed at a balance shaft of a rear axle balance suspension by a mounting bracket; the front axle load sensor and the rear axle load sensor are respectively and electrically connected with the axle load monitoring controller, and the display device and the overload alarm device are respectively and electrically connected with the axle load monitoring controller.
Furthermore, four strain gauge mounting holes are radially formed in the front axle load sensor, the bottom of each strain gauge mounting hole is provided with a hole bottom surface, and the strain gauges of the front axle load sensor are adhered to the hole bottom surfaces; the front axle load sensor is axially provided with a lubricating grease channel, and the front axle load sensor is also axially provided with a wire passing hole.
Compared with the prior art, the utility model discloses following profitable technological effect has:
(1) the utility model discloses a with front axle lotus sensor interference fit in leaf spring and the leaf spring support junction and interference fit in leaf spring and lug junction of leaf spring suspension, reach accurate measuring effect. The problem that pretightening force loss is not accurately measured due to the fact that the strain sensor is installed between the steel plate spring and the axle in the traditional technology is solved. Because the utility model discloses the position department of installing does not relate to the problem of pretightning force, and external pretightning force is not needed to interference fit's mounting means, and the produced fastening elasticity of itself can not lose because of the motion of vehicle, and the load that detects out like this just can not have the error.
(2) The utility model discloses a be fixed in rear axle balanced suspension's balanced axle department with rear axle load for the sensor installing support, reached and simplified calibration procedure and accurate measurement's effect. Because traditional strain gauge sensor installs on the axle housing, because every axle housing when bearing the same size load, the size of its deformation volume is different, and traditional strain gauge sensor's installation just installs under the condition that the axle housing has been assembled, so need mark alone every car, its mark degree of difficulty is big, the expense is high. And the utility model discloses an install rear axle lotus sensor on the balance shaft, and install the balance shaft of rear axle lotus sensor and just mark by the sensor firm before dispatching from the factory to the measurement accuracy of assurance system simplifies whole car and marks the flow.
(3) The utility model discloses a setting up of axle load monitoring control ware, display device and overload alarm device can be accurate real-time load information and the overload condition of control vehicle, the effectual emergence that reduces the vehicle overload phenomenon.
Description of the drawings:
FIG. 1 is a schematic view of the principle structure of the present invention;
FIG. 2 is a schematic view of the installation position of the front axle load sensor of the present invention;
FIG. 3 is a schematic view of the installation position of the rear axle load sensor of the present invention;
FIG. 4 is a front view cross-section structure diagram of the front axle load sensor of the present invention;
FIG. 5 is a left side sectional view of the front axle load sensor of the present invention;
FIG. 6 is a left side view partial section structure diagram of the front axle load sensor of the present invention;
fig. 7 is a schematic view of the installation position of a strain gauge sensor in the prior art.
Description of reference numerals:
the device comprises a front axle load sensor 1, a rear axle load sensor 2, an axle load monitoring controller 3, a display device 4, an overload alarm device 5, a steel plate spring 6, a steel plate spring support 7, a lifting lug 8, a mounting support 9, a balance shaft 10, a strain gage mounting hole 11, a hole bottom surface 12, a lubricating grease channel 13, a wire passing hole 14, an existing sensor 15 and a riding bolt 16.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
As shown in fig. 1, 2 and 3, an automobile axle load monitoring and alarming system is characterized in that: the device comprises a front axle load sensor 1, a rear axle load sensor 2, an axle load monitoring controller 3, a display device 4 and an overload alarm device 5, wherein the front axle load sensor 1 is a strain sensor, the number of the front axle load sensors 1 is four, two of the front axle load sensors are arranged at the joint of a steel plate spring 6 and a steel plate spring bracket 7 of a steel plate spring suspension in an interference fit manner, and the other two of the front axle load sensors are arranged at the joint of the steel plate spring 6 and a lifting lug 8 in the interference fit manner; the problem that the axle load measurement precision is low in the prior art can be effectively solved by installing the front axle load sensor 1 at the position, because the existing sensor 15 is installed between the steel plate spring 6 and an axle through the riding bolt 16, however, the pretightening force of the vehicle can be lost and cannot be predicted and compensated in the running process of the vehicle, and the axle load measurement precision is influenced. And the utility model discloses changed the mounted position of sensor, this mounted position does not need the pretightning force, because interference fit's mounting means does not need external pretightning force, and its produced fastening elasticity of itself can not lose because of the motion of vehicle, and the load that detects out like this just can not have the error to the sensor of front axle department directly bears the load, so measurement accuracy improves greatly.
The rear axle load sensor 2 is fixed at a balance shaft 10 of a rear axle balance suspension by a mounting bracket 9; install and to have effectually solved the mode that the axle load was measured to installation strain sensor on the axle housing among the prior art here, because utilize this kind of measuring mode, when batch production, it is higher to the uniformity requirement of axle housing deformation, otherwise need mark alone every car, and mark the degree of difficulty big, the expense is high. And the utility model discloses a with rear axle load sensor 2 and balance shaft 10 fixed connection, only need mark the balance shaft before the loading, do not need whole car to mark behind the loading to great reduction demarcation procedure and cost. The load amount thereof is calculated from the amount of deformation of the balance shaft 10 by the deformation of the balance shaft 10 caused by the load of the vehicle.
The front axle load sensor 1 and the rear axle load sensor 2 are respectively and electrically connected with the axle load monitoring controller 3, and the display device 4 and the overload alarm device 5 are respectively and electrically connected with the axle load monitoring controller 3. The axle load monitoring controller 3 receives electric signals from the front axle load sensor 1 and the rear axle load sensor 2, calculates and arranges the electric signals, transmits calculated data to the display device 4 for display, and sends an action instruction to the overload alarm device 5 for alarming if the axle load monitoring controller 3 monitors that the vehicle body load exceeds a preset safety value, wherein the overload alarm device 5 comprises an alarm lamp and an alarm loudspeaker.
Furthermore, four strain gauge mounting holes 11 are radially arranged on the front axle load sensor 1, the bottom of each strain gauge mounting hole 11 is provided with a hole bottom surface 12, and the strain gauges of the front axle load sensor 1 are adhered to the hole bottom surfaces 12; the front axle load sensor 1 is axially provided with a lubricating grease channel 13, and the front axle load sensor 1 is also axially provided with a wire passing hole 14. The strain gage is adhered to the bottom surface 12 of the hole, so that the strain gage is not affected by the elastic force of interference fit.
The embodiments given above are preferred examples for implementing the present invention, and the present invention is not limited to the above-described embodiments. Any non-essential addition and replacement made by the technical features of the technical solution of the present invention by those skilled in the art all belong to the protection scope of the present invention.
Claims (2)
1. The utility model provides an automobile axle load monitoring alarm system which characterized in that: the front axle load monitoring device comprises a front axle load sensor (1), a rear axle load sensor (2), an axle load monitoring controller (3), a display device (4) and an overload alarm device (5), wherein the front axle load sensor (1) is a strain sensor, and the front axle load sensor (1) is respectively in interference fit with the joint of a steel plate spring (6) and a steel plate spring bracket (7) of a steel plate spring suspension and the joint of the steel plate spring (6) and a lifting lug (8); the rear axle load sensor (2) is fixed at a balance shaft (10) of a rear axle balance suspension by a mounting bracket (9); the front axle load sensor (1) and the rear axle load sensor (2) are respectively and electrically connected with the axle load monitoring controller (3), and the display device (4) and the overload alarm device (5) are respectively and electrically connected with the axle load monitoring controller (3).
2. The automobile axle load monitoring and alarming system according to claim 1, characterized in that: the front axle load sensor (1) is radially provided with four strain gauge mounting holes (11), the bottom of each strain gauge mounting hole (11) is provided with a hole bottom surface (12), and the strain gauges of the front axle load sensor (1) are adhered to the hole bottom surfaces (12); the front axle load sensor (1) is axially provided with a lubricating grease channel (13), and the front axle load sensor (1) is also axially provided with a wire passing hole (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921943129.0U CN210570973U (en) | 2019-11-12 | 2019-11-12 | Automobile axle load monitoring and alarming system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921943129.0U CN210570973U (en) | 2019-11-12 | 2019-11-12 | Automobile axle load monitoring and alarming system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210570973U true CN210570973U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921943129.0U Active CN210570973U (en) | 2019-11-12 | 2019-11-12 | Automobile axle load monitoring and alarming system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210570973U (en) |
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2019
- 2019-11-12 CN CN201921943129.0U patent/CN210570973U/en active Active
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