Height adjustable load cell sensor base

Abstract

The utility model discloses a height adjustable weighbridge sensor base relates to weighbridge technical field, including support base, the support base includes upper roof beam, section material groove, lower roof beam and fixed bottom plate, and the section material groove is set up in the both sides of upper roof beam top. The utility model discloses a height adjustable weighbridge sensor base relates to weighbridge technical field, including support base, the support base includes upper roof beam, section material groove, lower roof beam and fixed bottom plate, and the section material groove is set up in the both sides of upper roof beam top.

Description

Technical Field

[0001] This utility model relates to the field of weighbridge technology, specifically to a height-adjustable weighbridge sensor base. Background Technology

[0002] A weighbridge sensor, a type of load cell, is a device that converts a mass signal into a measurable electrical signal output. Common weighbridge sensors are mostly resistance strain gauge sensors. When selecting a sensor, the actual working environment must be considered first. This is crucial for proper sensor selection, as it relates to the sensor's normal operation, safety, lifespan, and ultimately, the reliability and safety of the entire weighing instrument.

[0003] According to announcement number CN220794416U, a height-adjustable weighbridge sensor base is disclosed, relating to the field of weighbridge technology. It includes an upper support beam, a lower support beam, and a base plate. Sensor mounting screw holes are formed at both ends of the upper surface of the upper support beam along its thickness direction, and bolt screw holes are formed in the middle of the lower surface along its thickness direction. First screw holes are formed at both ends of the lower surface along its thickness direction. Adjusting bolts are installed in the bolt screw holes, and supporting screws are threaded into the first screw holes. This utility model uses an upper and lower support beam as the support beams. An adjusting bolt is threaded into the middle of the bottom of the upper support beam. Tightening the adjusting bolt changes the distance between the upper and lower support beams, thus making the overall height of the weighbridge sensor base adjustable, thereby achieving weighbridge height adjustment. This is suitable for adjusting weighbridges with inconsistent groove depths or uneven ground surfaces. The height-adjustable weighbridge sensor base is convenient and quick to operate, and maximizes the stability of the weighbridge installation.

[0004] Based on the search of the above patents and the discovery of the equipment in the existing technology, although the above equipment can solve the problem that the adjustment of the overall height of the existing weighbridge requires the ground of the weighbridge trough to be repaired, which is cumbersome and time-consuming, and there are situations where the ground of the weighbridge trough collapses slightly or the weighing platform deforms during subsequent use, the weighbridge height is still not adjustable and there are still limitations in adjustment.

[0005] However, during use, when the weighbridge platform undergoes slight deformation after long-term use, or when the weighbridge floor experiences localized settlement due to load-bearing and requires height adjustment, relying on manual adjustment is not only cumbersome and inefficient, but also leads to a decrease in the stability of the weighbridge installation due to uneven adjustment force, making it difficult to meet the needs of convenient use. Utility Model Content

[0006] To address the problems mentioned in the background art, the purpose of this utility model is to provide a height-adjustable weighbridge sensor base, which has the advantage of easy adjustment. It solves the problem that when the weighbridge platform undergoes slight deformation after long-term use, or the weighbridge floor sinks locally due to load-bearing and needs to be adjusted, manual adjustment is not only cumbersome and inefficient, but also leads to a decrease in the stability of the weighbridge installation due to uneven adjustment force, making it difficult to meet the needs of convenient use.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a height-adjustable weighbridge sensor base, comprising a support base, the support base including an upper support beam, a material-saving groove, a lower support beam, and a fixed base plate, wherein the material-saving groove is formed on both sides of the top of the upper support beam, the lower support beam is disposed at the bottom of the upper support beam, and the fixed base plate is fixedly connected to both sides of the lower support beam; and...

[0008] An adjustment mechanism is included; the adjustment mechanism includes movable holes on both sides of the top of the lower support beam. A screw is movably connected to the inner wall of the movable hole via a bearing. A threaded sleeve is threaded onto the surface of the screw. The top of the threaded sleeve is fixedly connected to both sides of the bottom of the upper support beam. A drive assembly is provided at the bottom of the lower support beam, and auxiliary support assemblies are fixedly connected to both sides of the lower support beam.

[0009] A limiting mechanism; the limiting mechanism is fixedly connected to the top of the lower support beam.

[0010] As a preferred embodiment of this utility model, the drive assembly includes a mounting groove, which is formed at the bottom of the lower support beam. A dual-axis motor is fixedly installed on the top of the inner wall of the mounting groove. A helical gear one is fixedly connected to the output end of the dual-axis motor. A helical gear two is meshed with the outer side of the helical gear one. The helical gear two is fixedly installed at the bottom of the screw.

[0011] As a preferred embodiment of the present invention, the auxiliary support assembly includes a connecting support, which is fixedly connected to both sides of the lower support beam, and auxiliary support legs are fixedly connected to both sides of the bottom of the connecting support.

[0012] As a preferred embodiment of this utility model, the limiting mechanism includes a movable cylinder, which is fixedly connected to the top of the lower support beam. The number of movable cylinders is set to four, and a limiting rod is movably connected to the inner wall of the movable cylinder. The top of the limiting rod is fixedly connected to the bottom of the upper support beam.

[0013] As a preferred embodiment of this utility model, the surface of the limiting rod is provided with a scale groove, and the scale groove is provided in several groups and is distributed at equal intervals.

[0014] As a preferred embodiment of this utility model, the surface of the screw box threaded sleeve is fitted with a telescopic corrugated tube, one end of the telescopic corrugated tube is fixedly connected to both sides of the bottom of the upper support beam, and the other end of the telescopic corrugated tube is fixedly connected to both sides of the top of the lower support beam.

[0015] As a preferred embodiment of this utility model, limit blocks are fixedly connected to both sides of the top of the inner wall of the mounting groove, and the output end of the dual-axis motor is movably connected to the inner wall of the limit blocks.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] 1. This utility model, by setting up an adjustment mechanism and a limiting mechanism, eliminates the need for manual operation when the weighbridge platform undergoes slight deformation or the weighbridge floor experiences localized settlement due to long-term use, requiring height adjustment. The adjustment mechanism enables convenient and efficient adjustment of the height of the weighbridge sensor support base, allowing the upper support beam to rise and fall relative to the lower support beam, quickly completing the height adjustment. Furthermore, the limiting mechanism plays a crucial guiding and limiting role during the base height adjustment process, effectively ensuring the stability and accuracy of the adjustment. This solves the problem that relying on manual adjustment is not only cumbersome and inefficient when the weighbridge platform undergoes slight deformation or the weighbridge floor experiences localized settlement due to load-bearing, but also leads to decreased weighbridge installation stability due to uneven adjustment force, failing to meet the needs of convenient use. This invention achieves the effect of easy adjustment.

[0018] 2. The adjustment mechanism of this utility model achieves automated adjustment of the height of the weighbridge sensor base through the cooperation of screws, threaded sleeves, and drive components. No manual turning of the components is required; the drive components can drive the screws on both sides to rotate synchronously, causing the threaded sleeves to smoothly raise and lower the upper support beam. This quickly addresses height adjustment needs caused by weighing platform deformation and weighbridge floor settlement due to long-term use, thus achieving easy adjustment. Furthermore, compared to the uneven force issues that can easily occur with manual adjustment, the mechanical synchronous adjustment of this mechanism ensures consistent height changes on both sides, preventing a decrease in weighbridge installation stability and ensuring the sensor is always in a precise load-bearing state.

[0019] 3. The limiting mechanism of this utility model consists of a movable cylinder and a limiting rod, which can provide stable guidance for the height adjustment of the base. When the height of the weighbridge is adjusted, the sliding of the limiting rod in the movable cylinder can strictly limit the movement trajectory of the upper support beam, prevent it from deviating or tilting, ensure that the upper support beam always rises and falls in the vertical direction, and ensure that the sensor installation accuracy is not affected by the adjustment process. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2This is a three-dimensional cross-sectional view of the lower support beam.

[0022] Figure 3 for Figure 2 Enlarged structural diagram at point A in the middle.

[0023] In the diagram: 1. Support base; 11. Upper support beam; 12. Material-saving groove; 13. Lower support beam; 14. Fixed base plate; 2. Adjustment mechanism; 21. Movable hole; 22. Screw; 23. Threaded sleeve; 24. Drive assembly; 241. Mounting groove; 242. Dual-axis motor; 243. Helical gear one; 244. Helical gear two; 25. Auxiliary support assembly; 251. Connecting support; 252. Auxiliary support leg; 3. Limiting mechanism; 31. Movable cylinder; 32. Limiting rod; 4. Scale groove; 5. Telescopic corrugated pipe; 6. Limiting block. Detailed Implementation

[0024] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0025] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0027] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0028] Example 1

[0029] Reference Figure 1-3This is the first embodiment of the present invention, providing a height-adjustable weighbridge sensor base, including a support base 1. The support base 1 includes an upper support beam 11, a material-saving groove 12, a lower support beam 13, and a fixed base plate 14. The material-saving groove 12 is formed on both sides of the top of the upper support beam 11, the lower support beam 13 is disposed at the bottom of the upper support beam 11, and the fixed base plate 14 is fixedly connected to both sides of the lower support beam 13.

[0030] Adjustment mechanism 2; Adjustment mechanism 2 includes movable holes 21, which are opened on both sides of the top of the lower support beam 13. The inner wall of the movable holes 21 is movably connected to the screw 22 via bearings. The surface of the screw 22 is threadedly connected to the threaded sleeve 23. The top of the threaded sleeve 23 is fixedly connected to both sides of the bottom of the upper support beam 11. A drive assembly 24 is opened at the bottom of the lower support beam 13. Auxiliary support assemblies 25 are fixedly connected to both sides of the lower support beam 13.

[0031] Limiting mechanism 3; limiting mechanism 3 is fixedly connected to the top of the lower support beam 13. The drive assembly 24 includes a mounting groove 241, which is opened at the bottom of the lower support beam 13. A dual-axis motor 242 is fixedly installed on the top of the inner wall of the mounting groove 241. A helical gear 1 243 is fixedly connected to the output end of the dual-axis motor 242. A helical gear 244 is meshed with the outer side of the helical gear 1 243. The helical gear 244 is fixedly installed at the bottom of the screw 22. The auxiliary support assembly 25 includes a connecting support 251, which is fixedly connected to both sides of the lower support beam 13. Auxiliary support legs 252 are fixedly connected to both sides of the bottom of the connecting support 251. Limiting blocks 6 are fixedly connected to both sides of the top of the inner wall of the mounting groove 241. The output end of the dual-axis motor 242 is movably connected to the inner wall of the limiting block 6.

[0032] Specifically, the adjustment mechanism 2, through the cooperation of screw 22, threaded sleeve 23 and drive assembly 24, realizes the automatic adjustment of the height of the weighbridge sensor base. Without the need for manual turning of the parts, the drive assembly 24 can drive the screws 22 on both sides to rotate synchronously, so that the threaded sleeve 23 drives the upper support beam 11 to rise and fall smoothly. This quickly responds to the height adjustment needs caused by the deformation of the weighing platform and the settlement of the weighbridge trough due to long-term use, thus achieving the effect of easy adjustment. At the same time, compared with the uneven force problem that is easy to occur in manual adjustment, the mechanical synchronous adjustment of the adjustment mechanism 2 can ensure that the height change on both sides is consistent, avoid the decrease in the stability of the weighbridge installation, and ensure that the sensor is always in a precise load-bearing state.

[0033] Furthermore, when the base height needs to be adjusted, the dual-axis motor 242 drives the helical gear 243 at the output end to rotate. The helical gear 243 meshes with the helical gear 244 at the bottom of the screw 22, transmitting power to the screw 22. This causes the screw 22 to rotate stably within the movable hole 21 via bearings. The limiting block 6 ensures stable rotation of the output end of the dual-axis motor 242. At this time, the screw 22 and the threaded sleeve 23 form a threaded transmission. The rotation of the screw 22 is converted into the vertical lifting and lowering of the threaded sleeve 23, which in turn drives the upper support beam 11 to move up and down relative to the lower support beam 13, thereby adjusting the base height. During this process, the connecting support 251 is fixed on both sides of the lower support beam 13. The auxiliary support leg 252 at the bottom contacts the ground, providing an additional support point for the entire base and preventing swaying caused by the shift of the center of gravity during adjustment. Especially when dealing with uneven ground in the weighbridge trough, it can enhance the overall anti-overturning ability of the base. Together with the lower support beam 13 and the fixed base plate 14, it forms a stable support system. When the threaded sleeve 23 drives the upper support beam 11 to rise and fall, the telescopic bellows 5 extends and retracts accordingly, covering the surface of the screw 22 and the threaded sleeve 23 to prevent dust and impurities from entering the threaded mating area and affecting the transmission accuracy. It also avoids the corrosion of the screw 22 and the threaded sleeve 23 by the external environment, ensuring the long-term stable operation of the adjustment mechanism 2, thereby achieving the effect of easy adjustment.

[0034] Example 2

[0035] In the second embodiment of this utility model, the limiting mechanism 3 includes a movable cylinder 31, which is fixedly connected to the top of the lower support beam 13. There are four sets of movable cylinders 31. The inner wall of the movable cylinder 31 is movably connected to a limiting rod 32. The top of the limiting rod 32 is fixedly connected to the bottom of the upper support beam 11. The surface of the limiting rod 32 is provided with a scale groove 4. There are several sets of scale grooves 4, which are evenly distributed.

[0036] Specifically, the limiting mechanism 3 consists of a movable cylinder 31 and a limiting rod 32, which can provide stable guidance for the height adjustment of the base. When the height of the weighbridge is adjusted, the sliding of the limiting rod 32 in the movable cylinder 31 can strictly limit the movement trajectory of the upper support beam 11, prevent it from deviating or tilting, and ensure that the upper support beam 11 always rises and falls in the vertical direction, so as to ensure that the sensor installation accuracy is not affected by the adjustment process.

[0037] Furthermore, when the adjusting mechanism 2 drives the upper support beam 11 to rise and fall, the limiting rod 32 moves synchronously with the upper support beam 11. The movable cylinder 31 strictly constrains the movement trajectory of the limiting rod 32, ensuring that the upper support beam 11 always rises and falls smoothly in the vertical direction. This avoids the upper support beam 11 tilting or shifting due to transmission deviation between the screw 22 and the threaded sleeve 23 or external force, ensuring the verticality and stability of the weighbridge sensor installation. During the height adjustment process, the operator can intuitively grasp the lifting distance of the upper support beam 11 by observing the position change of the scale groove 4 on the limiting rod 32 relative to the movable cylinder 31, and accurately control the adjustment height. This makes up for the shortcomings of traditional adjustment methods, which rely on experience and lack precision in height control. It is especially suitable for scenarios where the depth of the weighbridge groove is inconsistent or the ground is uneven in some areas. It facilitates the synchronous adjustment of multiple bases, ensuring the levelness of the weighbridge weighing platform, and further improving the reliability and convenience of weighbridge use.

[0038] Working principle:

[0039] First, the lower support beam 13 in the support base 1 is fixed to the ground via the fixed base plate 14, providing a stable foundation for the entire device. When the height of the weighbridge needs to be adjusted, the dual-axis motor 242 operates within the mounting groove 241, and its output drives the first helical gear 243 to rotate. Through meshing with the second helical gear 244 at the bottom of the screw 22, the power is transmitted to the two screws 22. The screws 22 rotate stably within the movable hole 21 via bearings, and the threaded sleeve 23 on its surface moves vertically due to the threaded engagement, thereby driving the upper support beam 11 to move up and down relative to the lower support beam 13, thus achieving convenient adjustment of the height of the support base 1. During this process, the limiting block 6 in the mounting groove 241 provides support and limit to the output of the dual-axis motor 242, ensuring the stability of power transmission. During adjustment, four sets of movable cylinders 31 are fixed to the top of the lower support beam 13, and one end of the limiting rod 32 is connected to the upper support beam 11, while the other end is nested in the movable cylinder. Inside the movable cylinder 31, the upper support beam 11 slides along the inner wall of the movable cylinder 31 as it rises and falls, strictly constraining the movement trajectory of the upper support beam 11 and preventing tilting or offset caused by transmission deviation of the screw 22 or external force, thus ensuring the verticality of the sensor installation. Simultaneously, the equidistant scale grooves 4 on the surface of the limit rod 32 provide a visual reference for adjustment. By observing the relative position of the scale grooves 4 and the movable cylinder 31, the operator can precisely control the adjustment height, facilitating simultaneous adjustment of multiple bases to ensure the weighing platform is level. Then, the connecting supports 251 and auxiliary legs 252 on both sides of the lower support beam 13 contact the ground, forming multi-point support and enhancing the anti-tipping ability of the base during adjustment and load-bearing, especially suitable for uneven ground. Finally, the telescopic bellows 5 on the surface of the screw 22 and the threaded sleeve 23 extend and retract synchronously with the height adjustment, effectively preventing dust and impurities from entering the threaded mating area, avoiding corrosion or jamming, and ensuring the long-term stable operation of the adjustment mechanism 2.

[0040] In summary, by setting up the adjustment mechanism 2 and the limiting mechanism 3, when the weighbridge needs to be adjusted due to slight deformation of the weighing platform or local settlement of the weighbridge trough ground caused by long-term use, manual operation is no longer required. The adjustment mechanism 2 enables convenient and efficient adjustment of the height of the weighbridge sensor support base 1, allowing the upper support beam 11 to rise and fall relative to the lower support beam 13, quickly completing the height adjustment. Furthermore, the limiting mechanism 3 plays a crucial guiding and limiting role in the height adjustment process, effectively ensuring the stability and accuracy of the adjustment process. This solves the problem that when the weighbridge needs to be adjusted due to slight deformation of the weighing platform or local settlement of the weighbridge trough ground caused by load-bearing, manual adjustment is not only cumbersome and inefficient, but also leads to a decrease in the stability of the weighbridge installation due to uneven adjustment force, making it difficult to meet the needs of convenient use. This achieves the effect of easy adjustment.

[0041] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0042] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.

[0043] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0044] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A height-adjustable weighbridge sensor base, characterized in that: The system includes a support base (1), which comprises an upper support beam (11), a material-saving groove (12), a lower support beam (13), and a fixed base plate (14). The material-saving groove (12) is located on both sides of the top of the upper support beam (11), the lower support beam (13) is located at the bottom of the upper support beam (11), and the fixed base plate (14) is fixedly connected to both sides of the lower support beam (13). Adjustment mechanism (2); The adjustment mechanism (2) includes a movable hole (21), which is opened on both sides of the top of the lower support beam (13). The inner wall of the movable hole (21) is movably connected to a screw (22) through a bearing. The surface of the screw (22) is threadedly connected to a threaded sleeve (23). The top of the threaded sleeve (23) is fixedly connected to both sides of the bottom of the upper support beam (11). A drive assembly (24) is opened at the bottom of the lower support beam (13). Auxiliary support assemblies (25) are fixedly connected to both sides of the lower support beam (13). Limiting mechanism (3); the limiting mechanism (3) is fixedly connected to the top of the lower support beam (13).

2. The height-adjustable weighbridge sensor base according to claim 1, characterized in that: The drive assembly (24) includes a mounting groove (241) which is located at the bottom of the lower support beam (13). A dual-axis motor (242) is fixedly installed on the top of the inner wall of the mounting groove (241). A helical gear one (243) is fixedly connected to the output end of the dual-axis motor (242). A helical gear two (244) is meshed with the outer side of the helical gear one (243). The helical gear two (244) is fixedly installed at the bottom of the screw (22).

3. The height-adjustable weighbridge sensor base according to claim 1, characterized in that: The auxiliary support assembly (25) includes a connecting support (251), which is fixedly connected to both sides of the lower support beam (13), and auxiliary support legs (252) are fixedly connected to both sides of the bottom of the connecting support (251).

4. The height-adjustable weighbridge sensor base according to claim 1, characterized in that: The limiting mechanism (3) includes a movable cylinder (31), which is fixedly connected to the top of the lower support beam (13). There are four sets of movable cylinders (31). The inner wall of the movable cylinder (31) is movably connected to a limiting rod (32), and the top of the limiting rod (32) is fixedly connected to the bottom of the upper support beam (11).

5. The height-adjustable weighbridge sensor base according to claim 4, characterized in that: The surface of the limiting rod (32) is provided with a scale groove (4), and the scale groove (4) is provided in several groups and is distributed at equal intervals.

6. The height-adjustable weighbridge sensor base according to claim 1, characterized in that: The screw (22) and the threaded sleeve (23) are both fitted with telescopic corrugated tubes (5). One end of the telescopic corrugated tube (5) is fixedly connected to both sides of the bottom of the upper support beam (11), and the other end of the telescopic corrugated tube (5) is fixedly connected to both sides of the top of the lower support beam (13).

7. The height-adjustable weighbridge sensor base according to claim 2, characterized in that: Limiting blocks (6) are fixedly connected to both sides of the top of the inner wall of the mounting groove (241), and the output end of the dual-axis motor (242) is movably connected to the inner wall of the limiting block (6).

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