Limiting device for electronic truck scale
By adjusting the width of the limit plate using a motor-driven bidirectional screw, combined with a buffer structure and an alarm, the problem of poor impact resistance in traditional truck scale limit devices is solved, achieving a high-precision and safe weighing process.
Patent Information
- Application Number
- CN202520080479.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-01-14
AI Technical Summary
Traditional truck scale limit devices are not effective at resisting impacts from vehicles, which can easily cause vehicles to slide off or slide down, affecting weighing accuracy and safety.
The device uses a motor-driven bidirectional screw to move the slider and adjust the width of the limit plate. Combined with a T-shaped slide rod, buffer spring and torsion spring buffer protection structure, it can achieve reliable limit and pressure protection. It is equipped with a pressure alarm and buffer pad for auxiliary support and alarm.
It improves the weighing accuracy and safety of the truck scale platform, adapts to different vehicle sizes, ensures the stability and accuracy of the weighing process, and provides reliable impact protection.
Smart Images

Figure CN223636967U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a limiting device technical field, especially electronic truck scale limiting device. BACKGROUND
[0002] The ground weight, also known as truck scale, is a large scale set on the ground, usually used to weigh the truck load, and is the main weighing equipment for bulk cargo measurement in factories, mines and merchants.
[0003] In order to prevent the car from rushing out or sliding down from the side of the weighing platform due to the visual blind area after entering the slope, the limiting device is generally arranged at the top side of the weighing platform, so the limiting device may be subjected to a large impact from the car, and therefore it is of great significance to design a limiting device with good impact resistance. SUMMARY
[0004] The purpose of the present application is to provide an electronic truck scale limiting device to solve the problems in the background art.
[0005] To achieve the above purpose, the present application provides the following technical scheme: an electronic truck scale limiting device, comprising a motor, a bidirectional screw rod, a sliding block, a limiting plate, a T-shaped slide rod, a pressure plate, a buffer spring, a fixed plate, a buffer rubber pad, a rotating shaft and a torsional spring, the motor is fixedly installed on one side of the truck scale platform, the output end of the motor is drivingly connected with the bidirectional screw rod which is arranged in the sliding groove arranged on the top of the truck scale platform, the inside of the sliding groove is slidingly connected with two symmetrically arranged sliding blocks, the two sliding blocks are threadedly connected with the bidirectional screw rod, the bottom end of the limiting plate is fixedly installed with a rotating shaft, the rotating shaft is rotatably connected with the top end of the sliding block, the rotating shaft is sleeved with the torsional spring which generates torsion force, the limiting plate is provided with a T-shaped slide rod which is slidingly connected therewith in the front-back direction, the front end of the T-shaped slide rod is fixedly installed with a pressure plate, and the T-shaped slide rod is sleeved with a buffer spring.
[0006] Preferably, a pressure alarm is fixedly installed on the side of the limiting plate facing the pressure plate.
[0007] Preferably, a vertical fixed plate is fixedly installed at the top end of the truck scale platform behind each T-shaped slide rod, and a buffer rubber pad is fixedly installed on the side of the fixed plate facing the T-shaped slide rod.
[0008] Preferably, a plurality of evenly distributed indicator lights are fixedly installed on the top end of the limiting plate along the length direction thereof.
[0009] Preferably, the limiting plate is arranged along the length direction of the truck scale platform.
[0010] Preferably, the two sliding blocks slide towards or away from each other in the sliding groove.
[0011] In summary, the technical effects and advantages of the utility model are:
[0012] In the utility model, the weighing position of the automobile on the platform of the truck scale is limited by the limiting plates on both sides, so that the automobile is prevented from falling during driving, and the motor can drive the bidirectional screw to rotate to drive the two sliding blocks to move the limiting plates, so that the limiting width can be adjusted according to vehicles of different sizes, the vehicle can be weighed in the middle of the platform of the truck scale, the weighing accuracy is high, the pressure plate is arranged to bear pressure, the T-shaped slide pole and the buffer spring are arranged to buffer and protect, the limiting plate can rotate through the rotating shaft after bearing pressure, and the torsional spring buffers the rotation, so that reliable limiting and pressure protection are realized. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0014] Fig. 1 It is a structure schematic view of an electronic truck scale limiting device in the embodiments of the present application.
[0015] Fig. 2 It is a partial structure schematic view of an electronic truck scale limiting device in the embodiments of the present application.
[0016] In the figure: 1, platform of truck scale; 2, sliding groove; 3, motor; 4, bidirectional screw; 5, sliding block; 6, limiting plate; 7, T-shaped slide pole; 8, pressure plate; 9, buffer spring; 10, pressure alarm; 11, indicator light; 12, fixed plate; 13, buffer rubber pad; 14, rotating shaft; 15, torsional spring. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application, and obviously, the described embodiments are only some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.
[0018] In the description of the present disclosure, it should be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present disclosure. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0019] It should also be noted that the standard parts used in the present application can be purchased from the market, and can be ordered according to the description and drawings. Unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present disclosure can be understood according to the specific circumstances, and the mechanical, parts and equipment can use the conventional model in the prior art without explicit limitation.
[0020] In this paper, the term "includes" is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment. Without more limitations, the elements defined by the statement "including" do not exclude the presence of other identical elements in the process, method, article or equipment including the elements.
[0021] Embodiment: reference Figs. 1-2 The electronic truck scale limiting device shown in the figure includes a motor 3, a bidirectional screw rod 4, a sliding block 5, a limiting plate 6, a T-shaped slide rod 7, a pressure plate 8, a buffer spring 9, a fixed plate 12, a buffer rubber pad 13, a rotating shaft 14 and a torsional spring 15. The motor 3 is fixedly installed on one side of the truck scale platform 1. The output end of the motor 3 is drivingly connected to the bidirectional screw rod 4 which is inserted into the sliding groove provided on the top of the truck scale platform 1. The sliding groove 2 is slidably connected with two symmetrically arranged sliding blocks 5. The two sliding blocks 5 are threadedly connected with the bidirectional screw rod 4. The bottom end of the limiting plate 6 is fixedly installed with the rotating shaft 14. The rotating shaft 14 is rotatably connected with the top end of the sliding block 5. The torsional spring 15 is sleeved and installed on the rotating shaft 14 to generate torsion force. The limiting plate 6 is provided with the T-shaped slide rod 7 which is slidably connected therewith in the front-rear direction. The T-shaped slide rod 7 is slidably connected with the pressure plate 8. The pressure plate 8 is slidably connected with the buffer spring 9. The buffer spring 9 is slidably connected with the fixed plate 12. The fixed plate 12 is fixedly installed on the truck scale platform 1. The buffer rubber pad 13 is arranged between the fixed plate 12 and the truck scale platform 1.
[0022] The front end of the T-shaped slide rod 7 is fixedly installed with a pressure plate 8, the T-shaped slide rod 7 is sleeved with a buffer spring 9, the weighing position of the automobile on the platform of the truck scale is limited by the limiting plates on both sides, so as to avoid the automobile from falling, the motor can drive the bidirectional screw rod to rotate and drive the two sliding blocks to move the limiting plates, so that the limiting width can be adjusted according to different sizes of vehicles, the vehicle can be weighed in the middle of the platform of the truck scale, the weighing accuracy is high, the pressure plate is arranged to be pressed, the T-shaped slide rod and the buffer spring are buffered and protected, and the limiting plate can be rotated through the rotating shaft after being pressed, and the torsional spring buffers the rotation, so that reliable limiting and pressure protection are realized.
[0023] Through the above structure: the limiting plate 6 is fixedly installed with a pressure alarm 10 on the side facing the pressure plate 8 to perform pressure alarm.
[0024] Through the above structure: the top end of the platform of the truck scale 1 is fixedly installed with a fixed plate 12 arranged vertically behind each T-shaped slide rod 7, and the fixed plate 12 is fixedly installed with a buffer rubber pad 13 on the side facing the T-shaped slide rod 7, so that the buffer rubber pad can buffer and support the T-shaped slide rod.
[0025] Through the above structure: the top end of the limiting plate 6 is fixedly installed with a plurality of evenly distributed indicator lights 11 along the length direction, so that illumination and indication can be performed at night.
[0026] Through the above structure: the limiting plate 6 is arranged along the length direction of the platform of the truck scale 1.
[0027] Through the above structure: the two sliding blocks 5 slide towards or away from each other in the sliding groove.
[0028] Finally, it should be noted that: the above is only a preferred embodiment of the present application and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims
1. An electronic truck scale limit stop device, characterized by: Including motor (3), bidirectional screw (4), slider (5), limit board (6), T type slide pole (7), pressure plate (8), buffer spring (9), fixed plate (12), buffer rubber pad (13), rotating shaft (14) and torsional spring (15), the motor (3) is fixedly installed on one side of the platform of truck scale (1), the output end of the motor (3) is driven to connect the bidirectional screw (4) into the chute provided on the top of the platform of truck scale (1), the inside of the chute (2) is slidably connected with two symmetrically arranged sliders (5), both the sliders (5) are in threaded connection with the bidirectional screw (4), the bottom end of the limit board (6) is fixedly installed with the rotating shaft (14), the rotating shaft (14) is rotatably connected with the top end of the slider (5), the rotating shaft (14) is sleeved with the torsional spring (15) generating torsion force, the limit board (6) is provided with the T type slide pole (7) slidably connected therewith in the front-back direction, the front end of the T type slide pole (7) is fixedly installed with the pressure plate (8), the T type slide pole (7) is sleeved with the buffer spring (9).
2. The electronic truck scale limit stop device of claim 1, wherein: The side of the limit board (6) facing the pressure plate (8) is fixedly installed with the pressure alarm (10).
3. The electronic truck scale limit stop of claim 1, wherein: The top end of the platform of truck scale (1) is fixedly installed with the vertically arranged fixed plate (12) behind each T type slide pole (7), the side of the fixed plate (12) facing the T type slide pole (7) is fixedly installed with the buffer rubber pad (13).
4. The electronic truck scale limit stop of claim 1, wherein: The top end of the limit board (6) is fixedly installed with a plurality of evenly distributed indicator lights (11) along the length direction thereof.
5. The electronic truck scale limit stop of claim 1, wherein: The limit board (6) is arranged along the length direction of the platform of truck scale (1).
6. The electronic truck scale limit stop of claim 1, wherein: The two sliders (5) slide towards or away from each other in the chute.