Aggregate scale correction mechanism

Abstract

The utility model relates to aggregate scale technology field, propose an aggregate school scale mechanism, include: a plurality of groups of mounting arm, the mounting arm includes the hook, fixed base and connecting steel sheet, one end of hook is equipped with locking piece, is equipped with the buffer plate between locking piece, one end fixedly connected with the buffer piece of connecting steel sheet, when the hopper produces vibration in production, its vibration energy can be passed through mounting arm and be delivered to buffer piece, the vibration of hopper passes through hook, locking piece and connecting steel sheet and is delivered to the connecting block of buffer piece, and the connecting block will vibration energy be delivered to buffer spring no.

Description

Technical Field

[0001] This utility model relates to the field of aggregate weighing technology, specifically to an aggregate calibration mechanism. Background Technology

[0002] Concrete aggregates are required during concrete processing. Concrete aggregates refer to granular loose materials that act as a skeleton or filler in concrete. Aggregate scales are key equipment in concrete production. During concrete production, the specific weights of aggregates, powders, etc., required are calculated based on the corresponding mix proportions before mixing. The accuracy of aggregate scale weighing directly affects the quality of concrete production. Therefore, we need to calibrate the batching scale hopper weekly, monthly, and even annually to ensure the accuracy of concrete batching scale weighing.

[0003] In existing technology, the aggregate calibration mechanism of the hopper is constantly vibrating during production, causing the weights in the mechanism to sway continuously. The belt scale's sensors continuously detect violently fluctuating load signals, and the readings on the instrument panel jump around constantly, unable to stabilize at an accurate value. Operators cannot read valid data, rendering the entire calibration process meaningless and failing to achieve the calibration objective. At the same time, during mounting or moving, the weight pan is inevitably subjected to lateral forces and vibrations, causing it to swing freely like a pendulum. The swinging weight pan may collide with the hopper, belt conveyor support, or other peripheral equipment, causing equipment damage. Therefore, an aggregate calibration mechanism is proposed. Utility Model Content

[0004] This invention proposes an aggregate calibration mechanism that solves the problem in related technologies where the aggregate calibration mechanism in the hopper is always vibrating during the production process, causing the weights in the aggregate calibration mechanism to shake continuously. The belt scale's sensor will continuously detect the violently fluctuating load signal, making it impossible to achieve the calibration purpose.

[0005] The technical solution of this utility model is as follows: an aggregate weighing mechanism, comprising: multiple sets of mounting arms, wherein each mounting arm includes a hook, a fixed seat and a connecting steel plate;

[0006] One end of the hook is provided with a locking element, and a buffer plate is provided between the locking elements. One end of the connecting steel plate is fixedly connected with a buffer element. The buffer element includes a buffer shell, a connecting block located at the center of the inner wall of the buffer shell, a plurality of buffer springs I located on one side of the connecting block, a plurality of buffer springs II located on the other side of the connecting block, and a damper located on the inner wall of the buffer shell.

[0007] The buffer plate is installed on one side of the connecting block, and a U-shaped steel plate is provided below the mounting arm. Multiple sets of fasteners that cooperate with the connecting steel plate are fixedly connected to the surface of the U-shaped steel plate.

[0008] Optionally, the locking component includes an external thread one, a locking bolt one, and a locking bolt two formed on the surface of one end of the hook;

[0009] Both locking bolt one and locking bolt two are threaded to the outer surface of the hook via external thread one, and the buffer plate is located between locking bolt one and locking bolt two.

[0010] Optionally, the buffer also includes a limiting groove formed on the inner wall of the buffer shell and a limiting slider slidably connected to the inner wall of the limiting groove.

[0011] The limiting slider is fixedly connected to the connecting block.

[0012] Optionally, the fastener includes a fixing bracket, a fixing bolt, and a fixing nut threaded onto the surface of the fixing bolt.

[0013] Optionally, the other end of the hook is provided with an external thread, and a locking bolt is threadedly connected to the surface of the external thread. A rubber ring is provided on one side of the locking bolt, and the rubber ring is sleeved on the outer surface of the hook.

[0014] Optionally, the outer surface of the fixing base is provided with multiple fixing holes.

[0015] Optionally, the U-shaped steel plate has a housing inside, and the surface of the U-shaped steel plate has multiple sets of snap-fit ​​parts that cooperate with the housing.

[0016] Optionally, the snap-fit ​​component includes a snap-fit ​​hole one formed on the surface of the U-shaped steel plate, a snap-fit ​​hole two formed on the surface of the housing, and a snap-fit ​​and a connecting bolt threadedly connected to the outer surface of the snap-fit.

[0017] The working principle and beneficial effects of this utility model are as follows:

[0018] This application has a reasonable structure. When the hopper vibrates during production, its vibration energy is transmitted to the buffer through the mounting arm. The vibration of the hopper is transmitted to the connecting block of the buffer through the hook, locking part and connecting steel plate. The connecting block transmits the vibration energy to the buffer spring one and buffer spring two at its two ends respectively to achieve the first stage of buffering. In addition, during the compression and stretching of the spring, the damper, which moves in the opposite direction to the connecting block, generates strong resistance. The damper achieves the second stage of vibration reduction through fluid damping or friction damping.

[0019] Throughout the buffering process, the limiting slider, which is fixedly connected to the connecting block, is strictly constrained to slide within the limiting groove. This guiding mechanism restricts the movement trajectory of the connecting block to a strictly vertical straight line. This workflow forms a complete vibration suppression closed loop: energy absorption (spring) → energy dissipation (damper) → trajectory constraint (limiting mechanism). This allows the calibration mechanism to no longer passively bear vibration, but actively manage and eliminate the impact of vibration, thereby creating a temporary and stable static calibration condition in a dynamic industrial environment, fundamentally solving the calibration problem caused by vibration. Attached Figure Description

[0020] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;

[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ;

[0023] Figure 3 for Figure 1 Enlarged 3D structure diagram at point A;

[0024] Figure 4 This is a partial cross-sectional structural diagram of the buffer component in this utility model;

[0025] In the diagram: 1. Hook; 2. Fixing base; 3. Connecting steel plate;

[0026] 4. Buffer components; 401. Buffer housing; 402. Limiting slide groove; 403. Buffer spring one; 404. Limiting slider; 405. Connecting block; 406. Buffer spring two; 407. Damper;

[0027] 5. Buffer plate; 6. Locking bolt one; 7. U-shaped steel plate; 8. Housing; 9. Locking pin; 10. Connecting bolt; 11. Fixing bracket; 12. Locking bolt two; 13. Locking bolt three; 14. Rubber ring; 15. Fixing hole; 16. Fixing bolt; 17. Fixing nut. Detailed Implementation

[0028] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model. Example

[0029] Please see Figure 1 - Figure 4 The present invention provides an aggregate weighing mechanism, comprising: multiple sets of mounting arms, each mounting arm including a hook 1, a fixed seat 2 and a connecting steel plate 3, wherein the fixed seat 2 is a hopper hanging lug.

[0030] One end of the hook 1 is provided with a locking element, and a buffer plate 5 is provided between the locking elements. One end of the connecting steel plate 3 is fixedly connected with a buffer element 4. The buffer element 4 includes a buffer shell 401, a connecting block 405 located at the center of the inner wall of the buffer shell 401, a plurality of buffer springs 403 located on one side of the connecting block 405, a plurality of buffer springs 406 located on the other side of the connecting block 405, and a damper 407 located on the inner wall of the buffer shell 401.

[0031] When the hopper vibrates during production, its vibration energy is transmitted to the buffer 4 through the mounting arm. The hopper's vibration is then transmitted to the connecting block 405 of the buffer 4 through the hook 1, locking device, and connecting steel plate 3. The connecting block 405 transmits the vibration energy to the buffer spring 403 (mainly bearing compression vibration) and buffer spring 406 (mainly bearing tensile vibration) at its two ends. The spring group undergoes elastic deformation, converting the intense vibration kinetic energy into elastic potential energy, achieving the first stage of buffering and significantly reducing the vibration amplitude transmitted to the U-shaped steel plate 7 and the weight. During the compression and stretching of the springs, the damper 407, moving in the opposite direction to the connecting block 405, generates strong resistance. The damper 407 uses fluid damping or friction damping. The elastic potential energy stored in the spring and the remaining vibration kinetic energy are converted into heat energy and dissipated into the air to achieve the second stage of vibration reduction. This step is crucial because it quickly suppresses the reciprocating oscillation (resonance) of the spring itself, allowing the weight pan to quickly return to a stationary state instead of continuously shaking. During the entire buffering process, the limiting slider 404, which is fixedly connected to the connecting block 405, is strictly constrained to slide within the limiting groove 402. This guiding mechanism restricts the movement trajectory of the connecting block 405 to a strictly vertical straight line, completely eliminating any lateral swaying, twisting or offset that may be caused by vibration or impact. Through the triple mechanism of "spring absorption + damping dissipation + limiting guidance", the irregular and high-intensity vibrations continuously transmitted from the hopper are effectively isolated and filtered.

[0032] This workflow forms a complete vibration suppression closed loop: energy absorption (spring) → energy dissipation (damper) → trajectory constraint (limiting mechanism). This makes the calibration mechanism no longer passively bear vibration, but actively manage and eliminate the impact of vibration, thereby creating a temporary and stable static calibration condition in a dynamic industrial environment, fundamentally solving the calibration problem caused by vibration.

[0033] The buffer plate 5 is installed on one side of the connecting block 405, and a U-shaped steel plate 7 is provided below the mounting arm. Multiple sets of fasteners that cooperate with the connecting steel plate 3 are fixedly connected to the surface of the U-shaped steel plate 7.

[0034] Furthermore, the locking components include an external thread 1, a locking bolt 6, and a locking bolt 2 12 formed on the surface of one end of the hook 1;

[0035] Locking bolt 6 and locking bolt 12 are both connected to the outer surface of hook 1 by external thread 1, and buffer plate 5 is located between locking bolt 6 and locking bolt 12.

[0036] Specifically, locking bolt 6 and locking bolt 12 are threadedly connected to the external thread at one end of hook 1. By tightening these two bolts, the buffer plate 5 can be firmly pressed between hook 1 and fixed seat 2, forming a stable connection. This design allows for quick installation and disassembly, while ensuring that the entire mechanism will not shift or fall off during the calibration process.

[0037] Furthermore, the buffer 4 also includes a limiting groove 402 formed on the inner wall of the buffer shell 401 and a limiting slider 404 slidably connected to the inner wall of the limiting groove 402;

[0038] The limit slider 404 is fixedly connected to the connecting block 405.

[0039] Specifically, the limiting slider 404 is fixedly connected to the connecting block 405 and slides within the limiting groove 402 on the inner wall of the buffer shell 401. When the U-shaped steel plate 7 and the weights on it shake, the connecting block 405 drives the limiting slider 404 to move along the limiting groove 402. The buffer spring 1 403 and the buffer spring 2 406 are compressed or stretched, and the damper 407 consumes vibration energy. Together, they effectively suppress the swaying of the weight pan, ensuring the stability of the calibration process and the accuracy of the reading.

[0040] Furthermore, the fasteners include a fastener 11, a fastener bolt 16, and a fastener nut 17 threaded onto the surface of the fastener bolt 16.

[0041] Specifically, the fixing bracket 11 securely clamps the lower end of the connecting steel plate 3 onto the U-shaped steel plate 7 through the cooperation of the fixing bolts 16 and the fixing nuts 17. This connection method not only ensures the connection strength between the mounting arm and the U-shaped steel plate 7 that carries the weight, but also allows for adjustment of the relative position as needed.

[0042] Furthermore, the other end of the hook 1 is provided with an external thread, and a locking bolt 13 is threadedly connected to the surface of the external thread. One side of the locking bolt 13 is provided with a rubber ring 14, which is sleeved on the outer surface of the hook 1.

[0043] Specifically, the locking bolt 13 is threaded to the external thread at the other end of the hook 1. When tightened, the rubber ring 14 at its end will undergo elastic deformation and tightly wrap around the outer surface of the hook 1. The rubber ring 14 increases the friction and prevents the hook 1 from sliding.

[0044] Furthermore, the outer surface of the fixing base 2 is provided with multiple fixing holes 15.

[0045] Specifically, the mounting base 2, through multiple mounting holes 15 on its outer surface, can be flexibly installed on the support or foundation at different locations around the hopper or surrounding area using bolts, providing a stable support foundation for the entire weighing mechanism and adapting to complex on-site installation environments. Example

[0046] Based on Embodiment 1, this embodiment includes: a housing 8 is provided inside the U-shaped steel plate 7, and multiple sets of snap-fit ​​parts are provided on the surface of the U-shaped steel plate 7 to cooperate with the housing 8. The snap-fit ​​parts include a snap-fit ​​hole 1 opened on the surface of the U-shaped steel plate 7, a snap-fit ​​hole 2 opened on the surface of the housing 8, a snap-fit ​​9 and a connecting bolt 10 threadedly connected to the outer surface of the snap-fit ​​9.

[0047] Specifically, the locking pin 9 can be inserted into the aligned locking pin hole 1 and locking pin hole 2, and then the connecting bolt 10 can be tightened to securely fasten the placement shell 8 inside the U-shaped steel plate 7. The placement shell 8 is used as a weight frame, with a size of 300*1800mm, and can hold 25 standard weights. By combining two such frames, the weights can be placed stably to prevent them from tilting and falling. By adding or removing weights, the four belt scales for coarse stone, fine sand, manufactured sand and crushed stone can be accurately calibrated, completely avoiding the need for personnel to frequently move heavy objects up and down, greatly reducing labor intensity and safety risks.

[0048] The workflow for this application is as follows:

[0049] First, prepare for installation and positioning. According to the hopper structure corresponding to the belt scale to be calibrated, select a suitable position. Through the multiple fixing holes 15 on the fixing seat 2, use bolts to firmly install the mounting arm on the hopper or the surrounding bracket or base. Adjust the angle and height of the mounting arm so that the position of the hook 1 is directly opposite the hanging ears or fixing seat 2 on both sides of the hopper.

[0050] Next, install and fix the hook 1. Pass one end of the hook 1 through the fixing seat 2, rotate the locking bolt 3 13 so that the rubber ring 14 at its end tightly wraps around and presses the hook 1 to achieve anti-slip and fixation. Tighten the locking bolt 1 6 and the locking bolt 2 12 to firmly press the buffer plate 5 between the hook 1 and the hanging ear, and complete the fixing of the upper end of the mounting arm.

[0051] Then install the weight tray, place the placement shell 8 into the U-shaped steel plate 7, insert the locking pin 9 into the locking pin holes aligned on the U-shaped steel plate 7 and the placement shell 8, tighten the connecting bolt 10, and securely fasten the placement shell 8 inside the U-shaped steel plate 7.

[0052] Continue with the mechanism connection and buffer test. Connect the lower end of the connecting steel plate 3 to the U-shaped steel plate 7 through the fastener. Then, insert the fixing bolt 16 and tighten the fixing nut 17. Manually push the U-shaped steel plate 7 to test the working state of the buffer 4. Observe whether the connecting block 405 drives the limit slider 404 to slide smoothly in the limit groove 402, and whether the buffer spring 1 403, buffer spring 2 406 and damper 407 effectively absorb the shaking.

[0053] Then, the weights are loaded and the scale is calibrated. 25 standard weights are placed in the housing 8, and the belt scale calibration program is started. The load is loaded and unloaded step by step by adding or removing weights. Throughout the process, the buffer 4 continues to act to suppress the swing of the weight pan caused by hopper vibration or external force, ensuring the stability of the scale and the accuracy of the readings.

[0054] Finally, the scale is calibrated and disassembled. After calibration, the weights are removed from the housing 8 in sequence.

Claims

1. An aggregate weighing mechanism, characterized in that, include: Multiple sets of mounting arms, each mounting arm including a hook (1), a fixing seat (2) and a connecting steel plate (3); One end of the hook (1) is provided with a locking member, and a buffer plate (5) is provided between the locking members. One end of the connecting steel plate (3) is fixedly connected with a buffer member (4). The buffer member (4) includes a buffer shell (401), a connecting block (405) located at the center of the inner wall of the buffer shell (401), a plurality of buffer springs (403) located on one side of the connecting block (405), a plurality of buffer springs (406) located on the other side of the connecting block (405), and a damper (407) located on the inner wall of the buffer shell (401). The buffer plate (5) is installed on one side of the connecting block (405), and a U-shaped steel plate (7) is provided below the mounting arm. Multiple sets of fasteners that cooperate with the connecting steel plate (3) are fixedly connected to the surface of the U-shaped steel plate (7).

2. The aggregate weighing mechanism according to claim 1, characterized in that: The locking component includes an external thread one, a locking bolt one (6) and a locking bolt two (12) formed on one end surface of the hook (1). The locking bolt one (6) and the locking bolt two (12) are both threadedly connected to the outer surface of the hook (1) by external thread one, and the buffer plate (5) is located between the locking bolt one (6) and the locking bolt two (12).

3. The aggregate weighing mechanism according to claim 1, characterized in that: The buffer (4) further includes a limiting groove (402) formed on the inner wall of the buffer shell (401) and a limiting slider (404) slidably connected to the inner wall of the limiting groove (402). The limiting slider (404) is fixedly connected to the connecting block (405).

4. The aggregate weighing mechanism according to claim 1, characterized in that: The fasteners include a fastener (11), a fastener (16), and a fastener nut (17) threaded onto the surface of the fastener (16).

5. The aggregate weighing mechanism according to claim 1, characterized in that: The other end of the hook (1) is provided with an external thread, and the surface of the external thread is threaded with a locking bolt (13). One side of the locking bolt (13) is provided with a rubber ring (14), and the rubber ring (14) is sleeved on the outer surface of the hook (1).

6. The aggregate weighing mechanism according to claim 1, characterized in that: The outer surface of the fixing base (2) is provided with multiple fixing holes (15).

7. The aggregate weighing mechanism according to claim 1, characterized in that: The U-shaped steel plate (7) has a housing (8) inside, and the surface of the U-shaped steel plate (7) has multiple sets of snap-fit ​​parts that cooperate with the housing (8).

8. The aggregate weighing mechanism according to claim 7, characterized in that: The snap-fit ​​component includes a snap-fit ​​hole 1 on the surface of the U-shaped steel plate (7), a snap-fit ​​hole 2 on the surface of the housing (8), a snap-fit ​​(9) and a connecting bolt (10) threadedly connected to the outer surface of the snap-fit ​​(9).

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