Weighbridge with stabilizing device

Abstract

The utility model discloses a kind of ground weight with stabilizing device, including pedestal, the inside of pedestal is provided with weighing platform, the inner bottom of pedestal is also provided with multiple groups of connectors, sensor is provided on connector and is matched with weighing platform, the inside of pedestal is also provided with buffer spring and hydraulic cylinder, the inside of pedestal is also provided with adjusting mechanism, adjusting mechanism includes support frame and mounting bracket.The utility model drives screw rod one rotation by driving motor one, drives screw nut to drive support frame to move horizontally along guide rail, cooperates driving motor two and drives bidirectional screw rod to rotate, the slope of inclined wedge block one and inclined wedge block two is matched to promote lifting frame lifting, realize the height adjustment of hydraulic cylinder and buffer spring, so that buffer device can be according to the stress distribution of weighing platform, the size weight of object to be weighed, accurately adjust the position and height of buffer stabilizing component, substantially improve the adaptability of stabilizing device to different working conditions, avoid the problem of stability effect failure due to fixed setting.

Description

Technical Field

[0001] This utility model relates to the field of weighbridge technology, specifically a weighbridge with a stabilizing device. Background Technology

[0002] A weighbridge, also known as an electronic weighbridge, is a large weighing device widely used in industries such as logistics, ports, mining, and construction. Weighbridges convert weight information into electrical signals through sensors, and then display the weight data through instruments or computer systems to facilitate the calculation of the weight and freight costs of transported goods.

[0003] Patent document CN220380594U discloses a weighbridge with a stabilizing device. The protected claim "includes a weighing platform; a support plate is fixedly installed at the bottom of the weighing platform, a sensor is fixedly installed at the bottom of the support plate, a connecting plate is fixedly installed at the bottom of the sensor, and fastening bolts are movably installed at the four corners of the connecting plate; a pre-embedded mechanism is provided at the bottom of the fastening bolts, the pre-embedded mechanism includes a first pre-embedded plate; the weighing platform facilitates weighing of vehicles, the support plate facilitates the installation of the sensor and facilitates the sensor to collect information, the sensor facilitates sensing the weight above the weighing platform, the connecting plate facilitates the installation strength of the sensor, the fastening bolts facilitate the connection between the sensor and the pre-embedded mechanism, and the pre-embedded mechanism enhances the installation stability of the overall device."

[0004] However, the aforementioned publicly available documents on weighbridges with stabilization devices primarily focus on facilitating vehicle weighing through the weighing platform, sensor installation and data collection through the support plate, sensing of weight above the platform through the sensor, enhanced sensor installation strength through the connecting plate, and connection between the sensor and the embedded mechanism through the fastening bolts. The embedded mechanism enhances the overall installation stability of the device. However, they fail to consider the fixed installation of the shock-absorbing springs and hydraulic rods used for stabilization. This results in poor adaptability of the stabilization device in practical applications, potentially leading to a lack of stability for the weighbridge during prolonged use. Utility Model Content

[0005] The purpose of this invention is to provide a weighbridge with a stabilizing device to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A weighbridge with a stabilizing device includes a base, a weighing platform inside the base, and multiple sets of connectors at the bottom inner part of the base. Sensors that cooperate with the weighing platform are mounted on the connectors. Multiple sets of buffer springs and hydraulic cylinders that cooperate with the weighing platform are also installed inside the base. An adjustment mechanism for adjusting the positions of the buffer springs and hydraulic cylinders is also installed inside the base. The adjustment mechanism includes a support frame for adjusting the horizontal position and a mounting frame for adjusting the vertical position.

[0007] Preferably, the base has multiple sets of guide rails at its inner bottom, multiple sets of support frames on the guide rails, multiple sets of lead screws rotatably mounted inside the base, lead screw nuts meshing with the outside of the lead screws, and the bottom of the lead screw nuts being fixedly connected to the top of the support frames. Multiple sets of drive motors are mounted on both outer sides of the base, and the output end of the drive motor is fixedly connected to one end of the lead screw.

[0008] Preferably, the mounting bracket is fixedly mounted on the top of the lead screw nut, the mounting bracket has a lifting frame that is movably mounted on the upper limit, the hydraulic cylinder is fixedly mounted on the top of the lifting frame, and the buffer spring is arranged around the outside of the hydraulic cylinder.

[0009] Preferably, the mounting frame is rotatably provided with a bidirectional lead screw, and two sets of inclined wedges are engaged on the outside of the bidirectional lead screw. An inclined wedge is movably provided at the top of the inclined wedge, which cooperates with its inclined surface. The top of the inclined wedge is fixedly connected to the bottom of the lifting frame. A drive motor is fixedly provided on the outside of the mounting frame, and the output end of the drive motor is fixedly connected to one end of the bidirectional lead screw.

[0010] Preferably, the support frame is fixedly provided with multiple sets of retractable electric support columns, and the output end of the retractable electric support column is fixedly provided with a support end whose bottom can contact the inner bottom of the base.

[0011] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model uses a drive motor to rotate a lead screw, which in turn drives the lead screw nut to move the support frame horizontally along the guide rail. This simultaneously adjusts the lateral position of the mounting frame, hydraulic cylinder, and buffer spring. In conjunction with a drive motor to rotate a bidirectional lead screw, the inclined surfaces of wedge block 1 and wedge block 2 work together to lift the lifting frame, thereby adjusting the height of the hydraulic cylinder and buffer spring. This allows the buffer device to precisely adjust the position and height of the buffer stabilizing components according to the force distribution on the weighing platform and the size and weight of the object to be weighed. This significantly improves the adaptability of the stabilizing device to different working conditions and avoids the problem of stabilization failure caused by fixed settings. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the weighing platform structure of this utility model; Figure 3 For the present utility model Figure 2 An enlarged schematic diagram of the structure at point A in the middle.

[0013] In the diagram: 1. Base; 2. Weighing platform; 3. Connector; 4. Sensor; 5. Hydraulic cylinder; 6. Buffer spring; 7. Guide rail; 8. Support frame; 9. Lead screw one; 10. Lead screw nut; 11. Drive motor one; 12. Mounting frame; 13. Lifting frame; 14. Bidirectional lead screw; 15. Wedge block one; 16. Wedge block two; 17. Drive motor two; 18. Telescopic electric support column; 19. Support end. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] Please see Figure 1-3 A weighbridge with a stabilizing device includes a base 1, a weighing platform 2 inside the base 1, multiple sets of connectors 3 at the bottom of the base 1, sensors 4 that cooperate with the weighing platform 2 on the connectors 3, multiple sets of buffer springs 6 and hydraulic cylinders 5 that cooperate with the weighing platform 2 inside the base 1, and an adjustment mechanism for adjusting the position of the buffer springs 6 and hydraulic cylinders 5 inside the base 1. The adjustment mechanism includes a support frame 8 that can adjust the horizontal position and a mounting frame 12 that can adjust the vertical position. The base 1 serves as the overall installation foundation for the weighbridge, providing fixing and installation space for the weighing platform 2, connector 3, sensor 4, buffer spring 6, hydraulic cylinder 5, and adjustment mechanism. Its rigid structure bears the load of all components, ensuring the overall stability of the weighbridge. The weighing platform 2 directly bears the load of the object being weighed (such as a vehicle or cargo), transferring the gravity to the sensor 4. Simultaneously, it contacts the top of the buffer spring 6 and hydraulic cylinder 5, maintaining horizontal stability through their buffering and supporting effects, preventing tilting due to load impact or uneven loading. The connector 3 is used for precise positioning and installation of the sensor 4, ensuring stable contact between the sensor 4 and the bottom of the weighing platform 2, while also transmitting the supporting force from the base 1 to prevent the sensor 4 from tilting. Due to force offset causing measurement errors, sensor 4 is installed on top of connector 3 and fits against the bottom of weighing platform 2. Its core function is to convert the pressure signal transmitted by weighing platform 2 into an electrical signal, providing the original basis for weighing data calculation. Its stable operation relies on the vibration reduction and pressure stabilization effects of buffer spring 6 and hydraulic cylinder 5 to reduce the impact of impact load on signal accuracy. The top of hydraulic cylinder 5 contacts the bottom of weighing platform 2 and absorbs the vertical impact of weighing platform 2 (such as the instantaneous impact force when a vehicle drives on it) through hydraulic damping, mitigating the impact of sudden load changes on sensor 4. At the same time, it works with buffer spring 6 to form an "elastic + damping" composite buffer structure, improving the vertical stability of weighing platform 2 and reducing vibration decay time.

[0016] Please see Figure 2 and Figure 3 The base 1 has multiple sets of guide rails 7 at its inner bottom, and multiple sets of support frames 8 on the guide rails 7. Multiple sets of lead screws 9 are rotatably mounted inside the base 1, and lead screw nuts 10 are engaged with the outside of each lead screw 9. The bottom of the lead screw nut 10 is fixedly connected to the top of the support frame 8. Multiple sets of drive motors 11 are mounted on both outer sides of the base 1, and the output end of each drive motor 11 is fixedly connected to one end of each lead screw 9. A mounting frame 12 is fixedly mounted on the top of the lead screw nut 10. A lifting frame 13 is movably mounted on the upper limit of the mounting frame 12. A hydraulic cylinder 5 is fixedly mounted on the top of the lifting frame 13, and a buffer spring 6 surrounds the hydraulic cylinder 5. The mounting frame 12 is rotatably equipped with a bidirectional lead screw 14. Two sets of inclined wedges 15 are engaged with the outside of the bidirectional lead screw 14. An inclined wedge 16 that matches the inclined surface of the inclined wedge 15 is movably limited at the top of the inclined wedge 15. The top of the inclined wedge 16 is fixedly connected to the bottom of the lifting frame 13. A drive motor 17 is fixedly installed on the outside of the mounting frame 12. The output end of the drive motor 17 is fixedly connected to one end of the bidirectional lead screw 14. Multiple sets of retractable electric support columns 18 are fixedly installed on the support frame 8. The output end of the retractable electric support column 18 is fixedly equipped with a support end 19 whose bottom can contact the inner bottom of the base 1. The guide rail 7 provides a horizontal sliding guide for the support frame 8, restricting the support frame 8 to move only along the guide rail 7. This ensures that when the drive motor 11 drives the lead screw 9 to rotate, the support frame 8 moves smoothly, avoiding deviation during horizontal adjustment and ensuring adjustment accuracy. The top of the support frame 8 is fixed to the lead screw nut 10 and the mounting frame 12, and the bottom is connected to the retractable electric support column 18. It serves as both the load-bearing foundation of the mounting frame 12 and the execution component for horizontal adjustment. By moving along the guide rail 7, it drives the mounting frame 12, hydraulic cylinder 5, and buffer spring 6 to move horizontally synchronously, achieving lateral position adjustment of the buffer stabilizing components. The lead screw 9 is driven to rotate by the drive motor 11, converting the rotational motion into horizontal linear motion of the lead screw nut 10, which in turn drives the support frame 8 and the components above it to move horizontally along the guide rail 7, achieving precise horizontal position adjustment of the buffer spring 6 and hydraulic cylinder 5. The mounting frame 12 is fixed to the top of the lead screw nut 10, with a rotatable bidirectional lead screw 14 inside. The top is equipped with a lifting frame 13, which serves as the mounting carrier for the lifting adjustment mechanism and the intermediate link between horizontal and lifting adjustments. The components, through synchronous horizontal movement with the support frame 8, drive the lifting mechanism and buffer stabilizing components to move as a whole, while providing limit guidance for the lifting frame 13. The bidirectional lead screw 14 is driven to rotate by the drive motor 17, and uses the bidirectional thread to drive the two sets of inclined wedges 15 to move relative to or in opposite directions, thereby pushing the inclined wedges 16 and the lifting frame 13 to rise and fall through the inclined surface action, realizing the height adjustment of the buffer stabilizing components. The lifting frame 13 is the execution component for lifting and adjusting. It realizes the lifting and falling movement through the inclined surface cooperation of the inclined wedges 15 and the inclined wedges 16, thereby driving the hydraulic cylinder 5 and the buffer spring 6 to rise and fall synchronously, adjusting the contact pressure and buffer stroke between the two and the weighing platform 2. The telescopic electric support column 18 is fixed on the support frame 8, and the output end is connected to the support end 19. It is an auxiliary stabilizing component of the weighbridge. During the weighing operation, it extends to push the support end 19 to contact the bottom of the base 1, providing additional support for the support frame 8, enhancing the stability of the device after horizontal adjustment, and preventing the support frame 8 from being displaced due to vibration during the weighing process. When adjusting, it retracts without affecting the horizontal movement of the support frame 8.

[0017] Working principle: When adapting to different load distributions (such as unevenly loaded goods or vehicles of different widths), the drive motor 11 outside the base 1 is activated. The drive motor 11 drives the lead screw 9 to rotate. The lead screw nut 10, which meshes with the lead screw 9, converts the rotational motion into horizontal linear motion, thereby driving the bottom-fixed support frame 8 to slide smoothly along the guide rail 7 at the bottom of the base 1. The horizontal movement of the support frame 8 will simultaneously drive the hydraulic cylinder 5 and the buffer spring 6 to move laterally, achieving precise adjustment of the horizontal position of the buffer stabilizing component, ensuring precise matching with the force point of the weighing platform 2, and avoiding tilting of the weighing platform 2 due to uneven loading. When adapting to different weight loads (such as light trucks and heavy trucks), the drive motor 17 outside the mounting frame 12 is activated. The drive motor 17 drives the bidirectional lead screw 14 inside the mounting frame 12 to rotate. The bidirectional lead screw 14 uses bidirectional threads to drive two sets of inclined wedges 15 to move relative to or in opposite directions. Since the top inclined surface of the inclined wedge 15 is in contact with the inclined wedge 2 16, the horizontal movement of the inclined wedge 15 is converted into inclined linear movement. The vertical lifting and lowering movement of wedge 16 pushes the top-fixed lifting frame 13 to rise and fall along the mounting frame 12. The top of the lifting frame 13 is fixed with hydraulic cylinder 5, and buffer spring 6 surrounds the outside of hydraulic cylinder 5. Therefore, the lifting and lowering of the lifting frame 13 will synchronously drive the hydraulic cylinder 5 and buffer spring 6 to vertically displace, adjusting the contact pressure and buffer stroke between the two and the weighing platform 2. Under heavy load, the buffer stroke and support force are increased, and under light load, the pre-compression is reduced to ensure that the optimal buffering effect can be achieved under different loads. After the horizontal and vertical adjustment is completed, the telescopic electric support column 18 on the support frame 8 extends, pushing the output end support end 19 to contact the bottom of the base 1. The support end 19 disperses the support force by increasing the contact area, providing additional stable support for the support frame 8, avoiding displacement of the support frame 8 due to vibration during the weighing process, and further ensuring the horizontal state of the weighing platform 2 and the measurement accuracy of the sensor 4. When adjustment is required again, the telescopic electric support column 18 retracts, and the support end 19 disengages from the bottom of the base 1, without affecting the horizontal movement of the support frame 8.

[0018] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A weighbridge with a stabilizing device, comprising a base (1), wherein a weighing platform (2) is disposed inside the base (1), and a plurality of connectors (3) are disposed at the inner bottom of the base (1), wherein sensors (4) cooperating with the weighing platform (2) are disposed on the connectors (3), characterized in that: The base (1) is also provided with multiple sets of buffer springs (6) and hydraulic cylinders (5) that cooperate with the weighing platform (2). The base (1) is also provided with an adjustment mechanism for adjusting the position of the buffer springs (6) and hydraulic cylinders (5). The adjustment mechanism includes a support frame (8) that can be adjusted horizontally and a mounting frame (12) that can be adjusted vertically.

2. A weighbridge with a stabilizing device according to claim 1, characterized in that: The base (1) has multiple sets of guide rails (7) at its inner bottom, and multiple sets of support frames (8) on the guide rails (7). Multiple sets of lead screws (9) are rotatably arranged inside the base (1). Lead screw nuts (10) are engaged with the outside of the lead screws (9), and the bottom of the lead screw nuts (10) is fixedly connected to the top of the support frames (8). Multiple sets of drive motors (11) are arranged on both sides of the base (1), and the output end of the drive motors (11) is fixedly connected to one end of the lead screws (9).

3. A weighbridge with a stabilizing device according to claim 2, characterized in that: The mounting bracket (12) is fixedly set on the top of the lead screw nut (10). The mounting bracket (12) is movably set with a lifting frame (13) at the upper limit. The hydraulic cylinder (5) is fixedly set on the top of the lifting frame (13). The buffer spring (6) is arranged around the outside of the hydraulic cylinder (5).

4. A weighbridge with a stabilizing device according to claim 3, characterized in that: The mounting frame (12) is rotatably equipped with a two-way lead screw (14). Two sets of inclined wedges (15) are engaged on the outside of the two-way lead screw (14). An inclined wedge (2) (16) is movably positioned at the top of the inclined wedge (15) and is fixedly connected to the bottom of the lifting frame (13). A drive motor (2) (17) is fixedly installed on the outside of the mounting frame (12). The output end of the drive motor (2) (17) is fixedly connected to one end of the two-way lead screw (14).

5. A weighbridge with a stabilizing device according to claim 4, characterized in that: Multiple sets of retractable electric support columns (18) are fixedly installed on the support frame (8), and the output end of the retractable electric support column (18) is fixedly provided with a support end (19) whose bottom can contact the inner bottom of the base (1).

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