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CN-121049028-B - Pressure testing machine and intelligent control system

CN121049028BCN 121049028 BCN121049028 BCN 121049028BCN-121049028-B

Abstract

The invention relates to the technical field of pressure testing machines, and discloses a pressure testing machine and an intelligent control system, wherein the intelligent control system comprises a control table, a pressing part and a fixed table, and a placing plate is fixedly arranged in the fixed table; the two-way screw is rotatably arranged in the placing plate, two screw nuts are connected to the two screw nuts through threads, mounting plates are fixedly arranged on the two screw nuts, a driving motor is arranged on the fixing table, the output end of a shaft part of the driving motor is fixedly connected with the center of one end of the two screw nuts, and a moving plate is slidably arranged on the two mounting plates and is in vertical relation with the corresponding mounting plate. The invention can push the object to be tested to move on the X axis and the Y axis, so that the object to be tested is accurately positioned on the geometric center point of the pressure testing machine, the uniformity of stress and the accuracy of results are ensured, and the invention is applicable to objects to be tested with different specifications and sizes and has wider application range.

Inventors

  • ZHU XIANG

Assignees

  • 南通顺可机电科技有限公司

Dates

Publication Date
20260508
Application Date
20250905

Claims (7)

  1. 1. The intelligent control system of the pressure testing machine is characterized by comprising a pressure testing machine body and an intelligent control system, wherein the pressure testing machine body comprises an operation table (1), a pressing part (2) and a fixed table (3), and a placing plate (4) is fixedly arranged in the fixed table (3); The two-way screw rod (6) is rotatably arranged in the placing plate (4), two screw nuts (11) are connected to the two screw rods (6) through threads, mounting plates (7) are fixedly arranged on the two screw nuts (11), a driving motor (5) is arranged on the fixed table (3), the output end of a shaft part of the driving motor (5) is fixedly connected with the center of one end of the two screw rods (6), a movable plate (8) is slidably arranged on the two mounting plates (7), and the movable plate (8) is in vertical relation with the corresponding mounting plate (7); A servo motor (17) is arranged in the fixed table (3), a rotating rod (18) is fixedly arranged at the output end of a shaft part of the servo motor (17), a transmission gear (19) is fixedly arranged at the other end of the rotating rod (18), two racks (16) are fixedly arranged at the bottom of the placing plate (4), connecting blocks (14) are fixedly arranged on the two racks (16), and sliding grooves (15) are formed in the two connecting blocks (14); The intelligent control system comprises a machine vision module, a to-be-detected object positioning analysis module and a test analysis module; The machine vision module is used for capturing an external image of the object to be detected, identifying the external image through an image identification algorithm to obtain the position, the size and the shape of the object to be detected, and marking the position, the size and the shape of the object to be detected as vision information; The positioning analysis module is used for receiving visual information of the object to be detected, combining performance parameters of the driving motor (5) and the servo motor (17), respectively carrying out dynamic operation regulation analysis in the X-axis direction and the Y-axis direction, respectively obtaining expected operation time lengths of the driving motor (5) and the servo motor (17), respectively carrying out compensation analysis, obtaining time length compensation coefficients of the expected operation time lengths of the driving motor (5) and the servo motor (17), starting the driving motor (5) when positioning signaling of the object to be detected is received, dynamically adjusting the expected operation time length of the driving motor (5) according to the time length compensation coefficients to ensure that the object to be detected can accurately move to a preset position in the X-axis direction, and driving the servo motor (17) after the object to be detected moves to the preset position in the X-axis direction, dynamically adjusting the expected operation time length of the servo motor (17) according to the time length compensation coefficients to ensure that the object to be detected can accurately move to the preset position in the Y-axis direction; The test analysis module is used for collecting pressure test data of an object to be tested in real time and carrying out pressure test analysis, and concretely comprises the steps of obtaining test data, wherein the test data comprise maximum pressure, yield pressure, elastic modulus, displacement, temperature, vibration and angle, taking the use time of a pressure tester as an initial time, taking the current time as a second time, marking a time area between the initial time and the second time as a test time zone, identifying the number of collection time in the test time zone, setting preset parameters of the object to be tested, carrying out difference calculation on any parameter in the test data and the corresponding preset parameter to obtain a test difference value, processing the test difference value of the parameters in the test time zone, carrying out weighted calculation on the fluctuation value of the test difference value calculated by using a variance formula, the difference value between the maximum and minimum test difference values and the test difference value at the current time to obtain a parameter evaluation value, and carrying out normalization processing on the parameter evaluation values of all parameters in the test data to obtain the pressure resistance value of the object to be tested.
  2. 2. The intelligent control system of a pressure testing machine according to claim 1, characterized in that the bottoms of both moving plates (8) are fixedly provided with sliding blocks (13), and the sliding blocks (13) can slide in the corresponding sliding grooves (15).
  3. 3. The intelligent control system of the pressure testing machine according to claim 1, wherein the fixed table (3) is provided with a slag falling channel (10), the slag falling channel (10) is in a ring shape, the slag collecting plate (22) is fixedly arranged in the fixed table (3), and the vertical projection of the slag falling channel (10) is completely positioned on the slag collecting plate (22).
  4. 4. The intelligent control system of the pressure testing machine according to claim 1, wherein a mounting ring (20) is fixedly arranged on the rotating rod (18), a cleaning brush (21) is fixedly arranged on the mounting ring (20), the cleaning brush (21) is directly contacted with a slag collecting plate (22), a lower slag groove (23) is formed in the slag collecting plate (22), a slag collecting chamber (9) is slidably arranged in the fixing table (3), and the slag collecting chamber (9) is located right below the lower slag groove (23).
  5. 5. The intelligent control system of the pressure testing machine according to claim 1, wherein the cleaning sleeves (12) are fixedly arranged at the front end and the rear end of the two screw nuts (11), and the cleaning sleeves (12) are directly contacted with the bidirectional screw rods (6).
  6. 6. The intelligent control system of the pressure testing machine according to claim 1, wherein the intelligent control system receives visual information of an object to be tested, and combines performance parameters of the driving motor (5) and the servo motor (17) to respectively perform dynamic operation regulation analysis in the X-axis direction to obtain a predicted operation duration of the driving motor (5), specifically: Obtaining the position of an object to be measured on a placing plate (4), carrying out difference calculation on the position of an edge line of the X-axis direction of the object to be measured and the position of a mounting plate (7) to obtain two moving intervals, carrying out average calculation on the two moving intervals to obtain a moving average, obtaining the standard running power of a driving motor (5) and the angular speed of an output shaft of the driving motor, obtaining the radius of the output shaft of the driving motor (5), and obtaining the torque of the driving motor (5) through the calculation on the standard running power of the driving motor (5) and the angular speed and the radius of the output shaft of the driving motor; Assuming that the force required by the mounting plate (7) for moving the object to be detected is equal to the torque provided by the driving motor (5), the required length of the movement of the mounting plate (7) is marked as the expected operation length through standard operation power, weight and moving average calculation of the driving motor (5).
  7. 7. The intelligent control system of the pressure testing machine according to claim 1, wherein the intelligent control system is characterized by receiving visual information of an object to be tested, respectively carrying out dynamic operation regulation analysis in the X-axis direction by combining performance parameters of a driving motor (5) to obtain expected operation duration of the driving motor (5), and carrying out compensation analysis to obtain a duration compensation coefficient of the expected operation duration of the driving motor (5), wherein the duration compensation coefficient specifically comprises: When the driving motor (5) works, the working time of the driving motor (5) is taken as an initial time, and a time zone between the initial time and the current time is marked as a driving time zone; calculating the predicted movement distance mark of each driving time division zone as a pre-separation value by using the standard running power of the driving motor (5), the weight of the object to be detected and the driving time division zone; the method comprises the steps of calculating the difference value between a dividing distance value and a pre-dividing distance value of a driving dividing time zone to obtain dividing distance difference values, normalizing the dividing distance difference value of each driving dividing time zone value to obtain a time length compensation coefficient, and dynamically adjusting the estimated running time length of a driving motor (5).

Description

Pressure testing machine and intelligent control system Technical Field The invention relates to the technical field of pressure testing machines, in particular to a pressure testing machine and an intelligent control system. Background The pressure testing machine is experimental equipment widely applied to the fields of engineering, production, scientific research and education, and has functions and functions related to bearing capacity, strength, stability, quality and the like of materials, components and products, and has important functions for testing the strength of the materials and the components for development, production, safety guarantee and education research of the materials and the products. The patent document with the prior bulletin number of CN211148302U discloses a concrete pressure testing machine, which comprises a base, the base up end left side is provided with the fixed column, the fixed column right-hand member face is connected with roof and bottom plate respectively, be connected with a plurality of support columns between roof and the bottom plate, be connected with a plurality of bracing pieces between bottom plate and the base, be provided with the diaphragm between roof and the bottom plate, install the pneumatic cylinder in the middle of the roof up end, the pneumatic cylinder output passes diaphragm fixedly connected with top plate. However, the above device has the following problems when in use: When the pressure detection activity is carried out on the object to be detected, the uniformity of stress, the accuracy of data and the safety are ensured. It is generally required to locate the object to be tested at the geometric center point of the pressure testing machine, and the existing equipment lacks a corresponding positioning mechanism, is conventionally placed empirically, lacks standard placement, and may affect the accuracy of test results. Therefore, we propose a pressure tester and an intelligent control system to solve the above problems. Disclosure of Invention The invention aims to solve the problems in the prior art, and provides a pressure testing machine and an intelligent control system, which can push an object to be tested to move on an X axis and a Y axis, so that the object to be tested is accurately positioned on the geometric center point of the pressure testing machine, the uniformity of stress and the accuracy of a result are ensured, and the pressure testing machine and the intelligent control system can be suitable for objects to be tested with different specifications and sizes, and have wider application range. In order to achieve the above purpose, the present invention adopts the following technical scheme: a pressure testing machine and an intelligent control system comprise a control platform, a pressing part and a fixed platform, wherein a placing plate is fixedly arranged in the fixed platform; The inside of the placing plate is rotatably provided with a bidirectional screw rod, two screw nuts are connected to the bidirectional screw rod through threads, and mounting plates are fixedly arranged on the two screw nuts; the fixed table is provided with a driving motor, and the output end of a shaft part of the driving motor is fixedly connected with the circle center of one end of the bidirectional screw rod; And the two mounting plates are both provided with a movable plate in a sliding manner, and the movable plate is in vertical relation with the corresponding mounting plate. Preferably, a servo motor is arranged in the fixed table, a rotating rod is fixedly arranged at the output end of a shaft part of the servo motor, a transmission gear is fixedly arranged at the other end of the rotating rod, two racks are fixedly arranged at the bottom of the placing plate, connecting blocks are fixedly arranged on the two racks, and sliding grooves are formed in the two connecting blocks. Preferably, the bottoms of the two moving plates are fixedly provided with sliding blocks, and the sliding blocks can slide in the corresponding sliding grooves. Preferably, the fixed table is provided with a slag falling channel which is in a ring shape, the inside of the fixed table is fixedly provided with a slag collecting plate, and the vertical projection of the slag falling channel is completely positioned on the slag collecting plate. Preferably, the rotating rod is fixedly provided with a mounting ring, the mounting ring is fixedly provided with a cleaning brush, the cleaning brush is directly contacted with the slag collecting plate, the slag collecting plate is provided with a slag discharging groove, the inside of the fixed table is slidably provided with a slag collecting chamber, and the slag collecting chamber is positioned right below the slag discharging groove. Preferably, the front end and the rear end of the two screw nuts are fixedly provided with cleaning sleeves, and the cleaning sleeves are in direct contact with the bidirectional screw rod