Load loading device
By designing a load loading device including components such as motors, screws, sliders, etc., it can effectively simulate the load scenario of the bridge while the vehicle is driving, solving the problem that the prior art cannot simulate the bridge load capacity when the vehicle is driving, and achieving accurate measurement of the downforce of the bridge model.
Patent Information
- Application Number
- CN202420598091.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-26
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-03-26
AI Technical Summary
The prior art detects loads by hanging counterweights in bridge model tests, and cannot effectively simulate the load scenarios when a vehicle is driving.
A load loading device is designed, including a bridge model, a fixing frame, a motor, a screw, a slider, a slide column, a pressure plate, a spring and a weighing sensor. The motor drives the screw to rotate, and the slider moves horizontally, driving the slide column, pressure plate, fixed plate and wheels to move as a whole, simulating the vehicle's driving scene, and obtaining the downforce of the bridge model through a weighing sensor.
This device can effectively simulate the load scenario of the bridge while the vehicle is driving, and obtain the downforce under the bridge model through the weighing sensor, solving the problem that the prior art cannot effectively simulate the load capacity of the bridge when the vehicle is driving.
Smart Images
Figure CN223037554U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of load loading, in particular to a load loading device. Background Art
[0002] A bridge generally refers to a structure erected over rivers, lakes and seas to enable vehicles and pedestrians to pass smoothly. To adapt to the modern rapidly developing transportation industry, a bridge is also extended to a building that is erected across mountain streams, poor geological conditions or to meet other traffic needs to make passage more convenient.
[0003] At present, in the process of bridge model testing, counterweights are usually hung on the bridge to detect the bridge load. This method cannot simulate the load capacity of the bridge when vehicles are driving, and there is room for improvement. Content of the Utility Model
[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. For this purpose, the utility model provides a load loading device, which solves the problem that in the process of bridge model testing in the prior art, counterweights are usually hung on the bridge to detect the bridge load, and this method cannot simulate the load capacity of the bridge when vehicles are driving, and there is room for improvement.
[0005] To achieve the above object, the utility model provides a load loading device, including: a bridge model and a fixed frame. A motor is fixedly arranged on the outer side wall of the fixed frame. The output shaft of the motor is fixedly connected with a lead screw. A slider is threadedly connected to the outer side of the lead screw. A sliding column penetrates through the slider. The lower end of the sliding column is fixedly connected with a pressing plate. A spring is fixedly connected to the lower end of the pressing plate. The lower end of the spring is fixedly connected with a weighing sensor. The lower end of the weighing sensor is provided with a fixing plate.
[0006] As a further scheme of the utility model: the four corners of the lower end of the bridge model are fixedly connected with first brackets, the four corners of the upper end of the bridge model are fixedly connected with second brackets, and the upper ends of the second brackets are fixedly connected with the fixed frame.
[0007] As a further scheme of the utility model: the motor is fixedly connected with the outer side wall of the fixed frame through a connecting rod. The output shaft of the motor penetrates through one side of the fixed frame. The other end of the lead screw is rotatably connected with the inner wall of the fixed frame.
[0008] As a further scheme of the utility model: a guide rod is fixedly arranged inside the fixed frame. The other end of the slider passes through the guide rod.
[0009] As a further scheme of the utility model: a placement groove is formed in the upper end of the pressing plate.
[0010] As a further solution of the utility model: wheels are installed at the lower end of the fixed plate, and the wheels are attached to the upper surface of the bridge model. Start the motor, and the output shaft of the motor drives the lead screw to rotate, so that the slider can move back and forth in the horizontal direction. The slider drives the sliding column, the pressing plate, the fixed plate, and the wheels as a whole to move in the horizontal direction, simulating the scenario of a vehicle driving on a bridge. By placing heavy objects inside the placement groove, the weight of the pressing plate is increased. The pressing plate presses downward to compress the spring, and the weighing sensor is used to obtain the downward pressure received by the bridge model.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] The wheels are attached to the upper surface of the bridge model. Start the motor, and the output shaft of the motor drives the lead screw to rotate, so that the slider can move back and forth in the horizontal direction. The slider drives the sliding column, the pressing plate, the fixed plate, and the wheels as a whole to move in the horizontal direction, simulating the scenario of a vehicle driving on a bridge. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 is a schematic structural diagram of the utility model;
[0014] Figure 2 is a top view of the fixed frame of the utility model;
[0015] Figure 3 is a partial schematic structural diagram of the utility model.
[0016] In the figure: 1, the first bracket; 2, the bridge model; 3, the second bracket; 4, the fixed frame; 5, the sliding column; 6, the motor; 7, the lead screw; 8, the slider; 9, the guide rod; 10, the placement groove; 11, the pressing plate; 12, the spring; 13, the weighing sensor; 14, the wheels; 15, the fixed plate. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0017] The technical solutions of the present utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0018] As Figures 1-3 shown, a load loading device includes: a bridge model 2, the four corners of the lower end of the bridge model 2 are fixedly connected with a first bracket 1, the four corners of the upper end of the bridge model 2 are fixedly connected with a second bracket 3, and the upper end of the second bracket 3 is fixedly connected with a fixed frame 4.
[0019] A motor 6 is fixedly arranged on the outer side wall of the fixed frame 4. The motor 6 is fixedly connected to the outer side wall of the fixed frame 4 through a connecting rod. The output shaft of the motor 6 penetrates through one side of the fixed frame 4 and is fixedly connected to a lead screw 7. The other end of the lead screw 7 is rotatably connected to the inner wall of the fixed frame 4.
[0020] A slider 8 is threadedly connected to the outer side of the lead screw 7. A guide rod 9 is fixedly arranged inside the fixed frame 4. The other end of the slider 8 passes through the guide rod 9.
[0021] When the motor 6 is started, the output shaft of the motor 6 drives the lead screw 7 to rotate, so that the slider 8 can move back and forth in the horizontal direction.
[0022] A sliding column 5 penetrates through the slider 8. The lower end of the sliding column 5 is fixedly connected to a pressing plate 11. A placing groove 10 is formed in the upper end of the pressing plate 11. Heavy objects can be placed inside the placing groove 10 to increase the weight of the pressing plate 11.
[0023] The lower end of the pressing plate 11 is fixedly connected to a spring 12. The lower end of the spring 12 is fixedly connected to a weighing sensor 13. A fixing plate 15 is arranged at the lower end of the weighing sensor 13. Wheels 14 are installed at the lower end of the fixing plate 15.
[0024] Working principle:
[0025] When the present utility model is in use, the wheels 14 are attached to the upper surface of the bridge model 2. The motor 6 is started, and the output shaft of the motor 6 drives the lead screw 7 to rotate, so that the slider 8 can move back and forth in the horizontal direction. The slider 8 drives the sliding column 5, the pressing plate 11, the fixing plate 15, and the wheels 14 to move horizontally as a whole, simulating the scenario of a vehicle driving on a bridge. By placing heavy objects inside the placing groove 10 to increase the weight of the pressing plate 11, the pressing plate 11 presses downward to compress the spring 12, and the weighing sensor 13 is used to obtain the downward pressure received by the bridge model 2.
[0026] In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", etc. indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings. They are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, as well as a specific orientation structure and operation. Therefore, it cannot be understood as a limitation to the present utility model. In addition, "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.
[0027] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, terms such as "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0028] The above has described in detail an embodiment of the present utility model, but the content described is only a preferred embodiment of the present utility model and cannot be considered as limiting the scope of implementation of the present utility model. All equivalent changes and improvements made according to the scope of the application of the present utility model should still fall within the scope covered by the patent of the present utility model.
Claims
1. A load loading device, characterized in that: include: A bridge model (2), a fixed frame (4), wherein a motor (6) is fixedly provided on the outer wall of the fixed frame (4), a screw rod (7) is fixedly connected to the output shaft of the motor (6), a slider (8) is threadedly connected to the outer side of the screw rod (7), a slide column (5) is passed through the interior of the slider (8), a pressure plate (11) is fixedly connected to the lower end of the slide column (5), a spring (12) is fixedly connected to the lower end of the pressure plate (11), a weighing sensor (13) is fixedly connected to the lower end of the spring (12), and a fixing plate (15) is provided at the lower end of the weighing sensor (13); A wheel (14) is mounted on the lower end of the fixing plate (15).
2. A load applying device according to claim 1, characterized in that: The four corners of the lower end of the bridge model (2) are fixedly connected to a first bracket (1), the four corners of the upper end of the bridge model (2) are fixedly connected to a second bracket (3), and the upper end of the second bracket (3) is fixedly connected to a fixed frame (4).
3. A load applying device according to claim 1, characterized in that: The motor (6) is fixedly connected to the outer wall of the fixed frame (4) via a connecting rod, the output shaft of the motor (6) passes through one side of the fixed frame (4), and the other end of the screw rod (7) is rotatably connected to the inner wall of the fixed frame (4).
4. A load applying device according to claim 1, characterized in that: A guide rod (9) is fixedly arranged inside the fixed frame (4), and the other end of the sliding block (8) passes through the guide rod (9).
5. A load applying device according to claim 1, characterized in that: A placement groove (10) is provided at the upper end of the pressing plate (11).