CN211417077U

CN211417077U - Semi-trailer vehicle-mounted weighing sensor mounting device

Info

Publication number: CN211417077U
Application number: CN201921847079.6U
Authority: CN
Inventors: 阙文秀
Original assignee: Shanxi Sinard New Energy Special Vehicle Technology Co ltd
Current assignee: Shanxi Sinard New Energy Special Vehicle Technology Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-09-04
Anticipated expiration: 2029-10-30

Abstract

A semi-trailer vehicle-mounted weighing sensor mounting device comprises a front weighing device, a trailer weighing sensor device and a processor terminal; the front weighing device and the trailer weighing device are connected with a vehicle and vehicle tires through a carriage bottom plate, a frame longitudinal beam bracket leg, an axle, a transverse connecting shaft and a longitudinal connecting shaft; the front weighing device and the trailer weighing device are connected with a processor terminal in the carriage through electric wires; the processor terminal can convert electric signals converted from the gravity information received by the front weighing device and the trailer weighing device into digital signals to be displayed on an in-vehicle detector or an alarm, and can timely reflect the change of the current vehicle load of the vehicle.

Description

Semi-trailer vehicle-mounted weighing sensor mounting device

Technical Field

The utility model relates to a vehicle weighing sensor installation technique and device field especially relate to an on-vehicle weighing sensor installation device of semitrailer.

Background

At present, the phenomenon of overload of long-distance vehicle transportation in China is very common, and the service life of vehicles, the service life of roads, traffic safety and the transport market specification are greatly influenced by the transportation of overweight cargoes; controlling the overload of the vehicle is a simple and effective operation to avoid risks; the use of on-board sensors is one of the most efficient ways. The current vehicle-mounted weighing method comprises direct weighing and indirect weighing; the direct weighing method is that the sensor is directly arranged on the main bearing part of the automobile, the mode needs to greatly change the automobile, the stress of the framework of the automobile is changed into multi-point stress, and the local strength of the carriage needs to be strengthened; the indirect weighing is that a sensor is arranged on an axle, and the weight of the vehicle is indirectly measured by measuring the deformation of the axle; the weighing device is easily interfered by other external factors such as temperature, braking and the like, and inaccurate weighing data is formed. There is therefore a strong need in the market for a more rational on-board weighing installation technique and device.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model provides an installation technology and a device for a weighing sensor of a semi-trailer.

The technical scheme of the utility model as follows:

a semi-trailer vehicle-mounted weighing sensor mounting device comprises a front weighing device, a trailer weighing sensor device and a processor terminal, wherein the front weighing device comprises a vehicle framework cross beam horizontally fixed at the bottom of a carriage bottom plate, and a vehicle framework side beam is fixedly connected to the side edge of the vehicle framework cross beam; the frame longitudinal beam support legs are vertically arranged at the bottom of the carriage bottom plate at intervals; a sensor placing frame is arranged on the inner side wall of the frame longitudinal beam support leg, a support base plate is arranged at the upper end of the sensor placing frame, and a sensor mounting support is arranged at the upper end of the support base plate; the weighing sensor is arranged at the upper end of the sensor mounting bracket, and the upper end of the weighing sensor is in contact with the frame cross beam; in the trailer weighing sensing device, a gravity sensor is arranged between a spring steel plate and an axle, the gravity sensor is arranged in a middle groove of a thickened upper connecting plate and fixed with the axle through a U-shaped bolt, and a lower connecting plate is fixed at the lower end of the spring steel plate; the weighing sensor is used for measuring the weight of the front half part of the trailer; the gravity sensor is used for measuring the weight of the rear half part of the trailer;

furthermore, in the semi-trailer vehicle-mounted weighing sensor mounting device, two first screw holes are arranged on the sensor mounting bracket in the front weighing device at intervals, two second screw holes are arranged at the bottom of the cross beam of the vehicle frame corresponding to the two first screw holes, and the weighing sensor is fixed between the cross beams of the vehicle frame of the sensor mounting bracket through screws, the first screw holes and the second screw holes;

further, in the semi-trailer vehicle-mounted weighing sensor mounting device, a gravity sensor is arranged at the upper end of the weighing sensor; the gravity sensor and the weighing sensor are connected with a terminal processor in the vehicle through electric wires;

further, in the semitrailer vehicle-mounted weighing sensor mounting device, in the trailer weighing sensor device, transverse connecting shafts between tires are perpendicular to longitudinal connecting shafts, and the transverse connecting shafts are respectively connected with spring steel plates on two sides; the front head end and the rear tail end of the trailer weighing sensor device are respectively connected with the head ends and the tail ends of the front spring steel plate and the rear spring steel plate through longitudinal connecting shafts.

Further, in the semi-trailer vehicle-mounted weighing sensor mounting device, the processor terminal comprises a processor, and a viewer and an alarm which are electrically connected with the processor; the weighing sensor is electrically connected with the gravity sensor, the gravity sensor is electrically connected with the processor, and sensed gravity signals are transmitted to the weighing sensor; the detector is connected with the processor, the processor converts the received gravity signal into a digital signal and transmits the digital signal to the detector, and the alarm is connected with the processor, and the processor converts the current gravity signal into a digital signal and transmits the digital signal to the alarm.

The utility model discloses following beneficial effect has:

1. the front weighing device and the trailer weighing sensing device can directly measure the weight of the carriage, and a large amount of structures of the original frame are not required to be modified.

2. The front weighing device and the trailer weighing sensing device are convenient to install, disassemble, replace and modify.

3. The simple structure of sensor installing support is clear, does benefit to operating personnel and carries out this utility model weighing sensor's installation and replacement to the vehicle.

4. The utility model discloses the structure is succinct, and simple to operate does benefit to the popularization.

Drawings

FIG. 1 is a schematic view of the structure of the weighing sensor of the present invention after installation;

FIG. 2 is a schematic view of the novel mounting bracket;

FIG. 3 is a schematic view of a trailer weighing configuration;

FIG. 4 is a schematic view of an in-vehicle viewer;

FIG. 5 is a schematic illustration of the location of the processor terminal and the front weighing device;

FIG. 6 is a schematic view of the principle of operation of the load cell;

FIG. 7 is a schematic view of a load cell;

fig. 8 is a schematic diagram of the coupling position of the coupling shaft and the wheels of the trailer weighing sensor device.

The reference numbers in the figures denote:

1. a vehicle frame side beam; 2. A frame cross beam; 3. A frame longitudinal beam support leg; 4. A sensor mounting rack; 5. A weighing sensor; 6. A bed floor; 7. A sensor mounting bracket; 8. A support backing plate; 9. A U-shaped bolt; 10. A gravity sensor; 11. thickening the upper connecting plate; 12. A spring steel plate; 13. A lower connecting plate; 14. An axle; 15. A processor; 16. A viewer; 17. An alarm; 18. A front weighing device; 19. A processor terminal; 20. A trailer weight sensing device; 21. A gravity sensor; 22. a transverse connecting shaft; 23. The shaft is connected longitudinally.

Detailed Description

See fig. 1-8; the front weighing device of the utility model comprises a frame beam 2 horizontally fixed at the bottom of a carriage bottom plate 6, and a frame boundary beam 1 is fixedly connected with the upper edge of the frame beam 2; the frame longitudinal beam support legs 3 are vertically arranged at the bottom of the carriage bottom plate 6 at intervals; a sensor placing frame 4 is installed on the inner side wall of the frame longitudinal beam support leg 3, a support base plate 8 is fixedly arranged at the upper end of the sensor placing frame 4, and a sensor installing support 7 is connected above the support base plate 8; the weighing sensor 5 is arranged at the upper end of the sensor mounting bracket 7, and a gravity sensor 21 at the upper end of the weighing sensor 5 is in contact with the frame cross beam 2; two first screw holes are arranged on the sensor mounting bracket 7 in the front weighing device 18 at intervals, two second screw holes are arranged at the bottom of the vehicle framework cross beam 2 corresponding to the two first screw holes, and the weighing sensor 5 is fixed between the vehicle framework cross beams 2 of the sensor mounting bracket 7 through screws, the first screw holes and the second screw holes; the weighing sensor 5 and a gravity sensor 21 at the upper end of the weighing sensor 5 are connected to a processor terminal 19 in the carriage through electric wires; when the gravity change of the vehicle-mounted cargo at the front end part changes, the gravity sensor 10 converts the received gravity into an electric signal and transmits the electric signal to the processor terminal 19 in the carriage, and the processor terminal 19 converts the electric signal into a digital signal and displays the digital signal on the screen of the viewer 16 at the right side of the processor terminal 19.

The installation process of the trailer weigh sensing device 20 is as follows:

see fig. 3 and 8; the trailer weighing sensing device 20 comprises a spring steel plate 12 connected with an axle 14 through a U-shaped bolt 9, and the two sides of the spring steel plate are connected with a carriage bottom plate 6 through a transverse connecting shaft 22 and a longitudinal connecting shaft 23; the gravity sensor 10 is positioned above the spring steel plate and is arranged in a middle groove of the thickened upper connecting plate 11 for fixing; the axle 14 stands vertically on the upper end of the gravity sensor 10; the lower connecting plate 13 is combined with the U-shaped bolt 9; the gravity sensor 10 transmits the data of the weight change of the vehicle body to a processor terminal 19 in the vehicle through an electric wire penetrating through a transverse connecting shaft 22 and a longitudinal connecting shaft 23, the processor terminal 19 converts an electric signal into a digital signal to be displayed on a screen of a viewer 16 on the right side of the processor terminal 19, and a vehicle operator can conveniently monitor the weight change of the vehicle in real time;

when the gravity data of the front weighing device 18 and the trailer weighing device 20 exceed the preset gravity maximum threshold value of the vehicle, after the processor terminal 19 receives the electric signal converted by the gravity, the alarm 17 is triggered to make the alarm give out a sound prompt, and the current gravity digital signal is transmitted to the alarm 17 and the viewer 16, and the viewer 16 prompts the vehicle operator to carry out timely processing on the risk by red characters.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the same way in the patent protection of the present invention.

Claims

1. The utility model provides a semi-trailer vehicle-mounted weighing sensor installation device which characterized in that: the device comprises a front weighing device (18), a trailer weighing sensing device (20) and a processor terminal (19), wherein the front weighing device (18) comprises a vehicle framework cross beam (2) horizontally fixed at the bottom of a carriage bottom plate (6), and a vehicle framework side beam (1) is fixedly connected to the side edge of the vehicle framework cross beam (2); the frame longitudinal beam support legs (3) are vertically arranged at the bottom of the carriage bottom plate (6) at intervals; a sensor placing frame (4) is installed on the inner side wall of the frame longitudinal beam support leg (3), a support base plate (8) is arranged at the upper end of the sensor placing frame (4), and a sensor installing support (7) is arranged at the upper end of the support base plate (8); the weighing sensor (5) is arranged at the upper end of the sensor mounting bracket (7), and the upper end of the weighing sensor (5) is in contact with the frame cross beam (2); in the trailer weighing sensing device (20), a gravity sensor (10) is arranged between a spring steel plate (12) and an axle (14), the gravity sensor (10) is arranged in a middle groove of a thickened upper connecting plate (11) and fixed, and is fixed with the axle (14) and a lower connecting plate (13) through U-shaped bolts (9), and the lower connecting plate (13) is positioned at the lower end of the spring steel plate (12); the weighing sensor (5) is used for measuring the weight of the front half part of the trailer; the gravity sensor (10) is used for measuring the weight of the rear half of the trailer.

2. The semi-trailer vehicle-mounted weighing sensor mounting device as claimed in claim 1, wherein: two first screw holes are arranged on the sensor mounting bracket (7) in the front weighing device (18) at intervals; two second screw holes are formed in the bottom of the frame cross beam (2) corresponding to the two first screw holes; weighing sensor (5) are fixed in through screw, first screw hole and second screw hole sensor installing support (7) between car skeleton crossbeam (2).

3. The semi-trailer vehicle-mounted weighing sensor mounting device as claimed in claim 1, wherein: the upper end of the weighing sensor (5) is provided with a gravity sensor (21); the gravity sensor (21) and the weighing sensor (5) as well as the gravity sensor (10) in the trailer weighing device are connected with a terminal processor in the trailer through electric wires.

4. The semi-trailer vehicle-mounted weighing sensor mounting device as claimed in claim 1, wherein: in the trailer weighing sensing device (20), a transverse connecting shaft (22) and a longitudinal connecting shaft (23) between tires are vertical to each other, and the transverse connecting shafts are respectively connected with spring steel plates (12) at two sides; the front head end and the rear tail end of the trailer weighing sensing device (20) are respectively connected with the head ends and the tail ends of the front spring steel plate (12) and the rear spring steel plate (12) through longitudinal connecting shafts (23).

5. The semi-trailer vehicle-mounted weighing sensor mounting device as claimed in claim 1, wherein: the processor terminal (19) consists of a processor (15), a viewer (16) and an alarm (17) which are electrically connected with the processor; the weighing sensor (5) is electrically connected with the gravity sensor (10), the gravity sensor (21) and the processor (15) and transmits a sensed gravity signal to the weighing sensor; the view detector (16) is connected with the processor (15), and the processor (15) converts the received gravity signal into a digital signal and transmits the digital signal to the view detector (16); the alarm (17) is connected with the processor (15), and the processor (15) converts the current gravity signal into a digital signal and transmits the digital signal to the alarm (17).