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CN-224216153-U - Linear self-compensating weighing sensor

CN224216153UCN 224216153 UCN224216153 UCN 224216153UCN-224216153-U

Abstract

The utility model relates to the technical field related to weighing sensors, in particular to a linear self-compensating weighing sensor, which comprises a base, wherein a mounting hole is formed in the surface edge of the base, an elastomer is mounted at the top end of the base, a stabilizing mechanism is arranged on the outer side of the elastomer, a bearing steel ball is mounted in the middle of the top end of the elastomer, and a bearing plate is mounted at the top end of the bearing steel ball. The first groove and the limiting ring are arranged at the top end of the elastic body, the bearing steel ball is kept stably arranged at the top end of the elastic body, the bearing plate and the bearing pressure head are stably arranged at the top end of the bearing steel ball through the connecting rod and the limiting ring, the compression is reduced, the deflection is guided, and the accuracy of the weighing sensor is improved.

Inventors

  • XI WEIMIN
  • LIU LIANGLIANG

Assignees

  • 常州今研精密机械有限公司

Dates

Publication Date
20260508
Application Date
20250526

Claims (7)

  1. 1. The linear self-compensation weighing sensor comprises a base (1) and is characterized in that a mounting hole (2) is formed in the surface edge of the base (1), an elastic body (10) is mounted at the top end of the base (1), a stabilizing mechanism is arranged on the outer side of the elastic body (10), a bearing steel ball (13) is mounted in the middle of the top end of the elastic body (10), a bearing plate (15) is mounted at the top end of the bearing steel ball (13), and a bearing pressure head (16) is fixed in the middle of the top end of the bearing plate (15); The stabilizing mechanism comprises a first stabilizing cylinder (8) and a second stabilizing cylinder (9), wherein the first stabilizing cylinder (8) is fixed at the top end of the base (1), and the second stabilizing cylinder (9) is elastically and slidably arranged at the inner side of the first stabilizing cylinder (8) and is slidably sleeved at the outer side of the elastic body (10).
  2. 2. The linear self-compensating weighing sensor of claim 1, wherein the first stabilizing cylinder (8) is of a cylindrical structure and is vertically arranged, a lifting groove (5) is formed in the surface of the first stabilizing cylinder, a guide rod (4) is fixed in the lifting groove (5), and a spring (6) is sleeved on the surface of the guide rod (4).
  3. 3. The linear self-compensating weighing sensor of claim 2, wherein the guide rod (4) is vertically arranged, a sliding block (7) is fixed at the bottom end of the outer side of the second stabilizing cylinder (9), a guide hole (18) is formed in the surface of the sliding block (7), the sliding block (7) is slidably inserted into the lifting groove (5) and is pressed on the top end of the spring (6), and the guide rod (4) slidably penetrates through the guide hole (18).
  4. 4. The linear self-compensating weighing sensor of claim 1, wherein positioning columns (17) are uniformly fixed at the top end of the base (1), positioning grooves (21) are uniformly formed in the bottom end of the elastic body (10), the positioning columns (17) slide through the positioning grooves (21), strain gauges are arranged in the elastic body (10), and connecting lines (3) penetrating through the surface of the first stabilizing cylinder (8) are connected to the outer side of the strain gauges.
  5. 5. A linear self-compensating weighing sensor as set forth in claim 1, wherein a first groove (11) is formed in the middle of the top end of the elastic body (10), the bottom end of the bearing steel ball (13) is placed in the first groove (11), a limiting ring (12) is mounted on the top end of the elastic body (10) and located at the position outside the first groove (11), and the limiting ring (12) surrounds the outer side of the bearing steel ball (13).
  6. 6. The linear self-compensating weighing sensor of claim 5, wherein connecting rods (14) are uniformly fixed at the top ends of the limiting rings (12), connecting holes (19) are uniformly formed in the edges of the surfaces of the bearing plates (15), the connecting rods (14) penetrate through the connecting holes (19) in a sliding mode, and the bearing plates (15) are horizontally arranged.
  7. 7. A linear self-compensating weighing sensor as set forth in claim 6, wherein a nut (22) is connected to the top end of the connecting rod (14) and located at the top end of the connecting hole (19), a second groove (20) is formed in the middle of the bottom end of the bearing plate (15), the top end of the bearing steel ball (13) is inserted into the second groove (20), and the connecting rod (14) is vertically disposed around the bearing steel ball (13).

Description

Linear self-compensating weighing sensor Technical Field The utility model relates to the technical field of weighing sensors, in particular to a linear self-compensating weighing sensor. Background The column type sensor is widely applied to various electronic weighing devices such as various truck scales, rail scales, axle weight scales, charging bucket scales and the like. The column type sensor for the common weighing apparatus generally adopts a double-ball head column type structure, the structure has the advantages of self-resetting and self-centering, but has the hidden danger of overturning when the deflection angle is larger, particularly has more obvious abrasion and corrosion after long-term use, the column type sensor for the main stream of the market has two types of pure columns and scissor type, the pure columns are required to be adjusted to be linear by a linear compensation sheet due to the inherent linear defect of the pure columns, the quality of the linear compensation sheet is difficult to ensure, the process difficulty is increased, the hidden danger of quality is increased, the unbalanced load output of the scissor type sensor is more sensitive, and the output has influence when the sensor is deflected at an angle. The existing weighing sensor is characterized in that when the weighing sensor is used, the outer side of an elastic body is lack of a stable structure, when the elastic body is stressed, deflection deformation is easy to occur, the side face of the elastic body cannot be stabilized, accurate weighing of the weighing sensor is affected, moreover, a bearing steel ball is mounted on the top end of the elastic body, shaking movement is easy to occur, the mounting of a bearing plate and a bearing pressure head is unstable, and the weighing sensor is inaccurate in weighing due to deflection. Therefore, a linear self-compensation weighing sensor is designed to meet the requirements of practical application. Disclosure of utility model The utility model aims to solve the defects in the prior art and provides a linear self-compensating weighing sensor. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The linear self-compensating weighing sensor comprises a base, wherein a mounting hole is formed in the edge of the surface of the base, an elastic body is mounted at the top end of the base, a stabilizing mechanism is arranged on the outer side of the elastic body, a bearing steel ball is mounted in the middle of the top end of the elastic body, a bearing plate is mounted at the top end of the bearing steel ball, and a bearing pressure head is fixed in the middle of the top end of the bearing plate; The stabilizing mechanism comprises a first stabilizing cylinder and a second stabilizing cylinder, the first stabilizing cylinder is fixed at the top end of the base, and the second stabilizing cylinder is elastically and slidably arranged on the inner side of the first stabilizing cylinder and is slidably sleeved on the outer side of the elastic body. In detail, the first stabilizing cylinder is of a cylindrical structure and is vertically arranged, a lifting groove is formed in the surface of the first stabilizing cylinder, a guide rod is fixed in the lifting groove, and a spring is sleeved on the surface of the guide rod. In detail, the guide rod is vertically arranged, a sliding block is fixed at the bottom end of the outer side of the second stabilizing cylinder, a guide hole is formed in the surface of the sliding block, the sliding block is inserted into the lifting groove in a sliding mode and is pressed at the top end of the spring, and the guide rod penetrates through the guide hole in a sliding mode. In detail, the top of base evenly is fixed with the reference column, the constant head tank has evenly been opened to the bottom of elastomer, the reference column slides and passes the constant head tank, the inside of elastomer is provided with the strainometer, and its outside is connected with the connecting wire of passing first stable section of thick bamboo surface. In detail, a first groove is formed in the middle of the top end of the elastic body, the bottom end of the bearing steel ball is placed in the first groove, a limiting ring is installed at the top end of the elastic body and located at the position of the outer side of the first groove, and the limiting ring surrounds the outer side of the bearing steel ball. In detail, the top of the limiting ring is uniformly fixed with a connecting rod, the edge of the surface of the bearing plate is uniformly provided with a connecting hole, the connecting rod slides through the connecting hole, and the bearing plate is horizontally arranged. In detail, the top end of the connecting rod is connected with a nut at the position of the top end of the connecting hole, a second groove is formed in the middle of the bottom end of the bearing plate, the top end of the bearin