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CN-122016642-A - Performance detection device for inorganic coating

CN122016642ACN 122016642 ACN122016642 ACN 122016642ACN-122016642-A

Abstract

The invention relates to the technical field of paint adhesion detection, in particular to a performance detection device for inorganic paint. The device comprises a reaction frame, wherein a reset rod is connected in the reaction frame in a sealing sliding way, a piston which is connected with the reaction frame in a sealing sliding way is fixedly connected with the reset rod, a drawing piece is connected with the reset rod in a threaded way, through holes which are distributed in an annular way are formed in the drawing piece, steel balls are placed in the through holes of the drawing piece, the reaction frame is connected with a limiting cylinder in a sliding way, a spindle is arranged on the drawing piece, a supporting piece is arranged on the spindle, and the position of the spindle is determined through the four-point butt joint between the supporting piece and a position to be measured. According to the invention, the supporting piece is contacted with four points beside the position to be measured of the substrate, so that the spindle is perpendicular to the tangential plane of the position to be measured of the substrate according to the vertical diameter theorem, and therefore, the probability of generating lateral component force is reduced in the process of detecting the adhesive force, and the accuracy of the adhesive force measuring value is improved.

Inventors

  • Shi Kunheng
  • CHU ZHUANGZHUANG

Assignees

  • 华南农业大学

Dates

Publication Date
20260512
Application Date
20260414

Claims (10)

  1. 1. A performance test device for an inorganic coating material, comprising: Reaction frame (1), sealed sliding connection has reset lever (2) in reaction frame (1), reset lever (2) rigid coupling have with reaction frame (1) sealed sliding connection's piston (3), reset lever (2) threaded connection has a drawing member (4), drawing member (4) are provided with annular distributed's through-hole, steel ball (5) have all been placed in the through-hole of drawing member (4), reaction frame (1) sliding connection has spacing section of thick bamboo (6), spacing section of thick bamboo (6) are used for with steel ball (5) are spacing, spacing section of thick bamboo (6) with the rigid coupling has elastic component (7) between drawing member (4), drawing member (4) are provided with spindle (8), drawing member (4) will spindle (8) are spacing through steel ball (5), its characterized in that: the spindle (8) is provided with a supporting piece (9), and the position of the spindle (8) is determined through the four-point abutting of the supporting piece (9) and the position to be measured.
  2. 2. The device for detecting the performance of inorganic paint according to claim 1, wherein the spindle (8) is provided with four receiving grooves (801), the supporting member (9) is composed of four vertical portions (901), two abutting portions (902) and two connecting portions (903), and the receiving grooves (801) are used for receiving the corresponding vertical portions (901) so that the vertical portions (901) can slide along the receiving grooves (801).
  3. 3. The device for detecting the performance of an inorganic paint according to claim 2, wherein the spindle (8) is provided with a circular truncated cone portion (802), and both the abutting portions (902) are in contact with the circular truncated cone portion (802).
  4. 4. The device for detecting the performance of the inorganic paint according to claim 3, wherein the spindle (8) is provided with a convenient-to-detach member (10) at a position close to the supporting member (9), the convenient-to-detach member (10) is provided with four limiting portions (101), and the accommodating groove (801) limits the convenient-to-detach member (10) through the limiting portions (101).
  5. 5. The device for detecting the performance of an inorganic paint according to claim 4, wherein the limiting portion (101) is provided with a limiting slope (102), the spindle (8) is provided with a locking slope (803) contacting the limiting slope (102), and the locking slope (803) and the limiting slope (102) are used for limiting the component force direction of the limiting portion (101).
  6. 6. The device for detecting the performance of an inorganic paint according to claim 5, wherein a guide slope (804) is provided in the accommodating groove (801), the vertical portion (901) is located between the adjacent guide slope (804) and the adjacent limiting portion (101), and the guide slope (804) is used for limiting the direction of the component force of the vertical portion (901) when the vertical portion is pressed.
  7. 7. The device for detecting the performance of the inorganic paint according to claim 5, wherein a flexible cylinder (11) is sleeved at a position of the spindle (8) close to the easy-to-detach piece (10), and the flexible cylinder (11) is used for blocking glue solution from flowing.
  8. 8. The performance detection device for inorganic paint according to claim 7, wherein an accommodating ring groove (121) is formed in one side, close to the spindle (8), of the reaction frame (1), an annular liquid bag (12) and a limiting ring (14) are fixedly connected to the reaction frame (1), an elastic ring (13) is fixedly connected to one side, close to the limiting ring (14), of the annular liquid bag (12), the elastic ring (13) and the limiting ring (14) are sequentially placed in the accommodating ring groove (121), abutting columns (15) distributed in an annular mode are connected to the limiting ring (14) in a sliding mode, and the abutting columns (15) are fixedly connected with the elastic ring (13).
  9. 9. The device for detecting the performance of the inorganic coating according to claim 8, wherein the abutting column (15) is slidably connected with a connecting column (16), an elastic gasket (17) is fixedly connected between the connecting column (16) and the abutting column (15), an abutting piece (18) abutted against the adjacent abutting column (15) is fixedly connected with the connecting column (16), two elastic strips (19) are fixedly connected at positions, close to the abutting piece (18), of the limiting ring (14), and the abutting piece (18) limits the adjacent abutting column (15) by being embedded into the adjacent elastic strips (19).
  10. 10. The device for detecting the performance of the inorganic paint according to claim 9, wherein the lower ends of the connecting columns (16) are fixedly connected with pad feet (20), and connecting pieces (21) are connected to the adjacent two connecting columns (16) in a limiting sliding manner.

Description

Performance detection device for inorganic coating Technical Field The invention relates to the technical field of paint adhesion detection, in particular to a performance detection device for inorganic paint. Background Coating adhesion detection is a core means for evaluating the bonding effect of a coating and a substrate, and is directly related to the durability, the protection life and the engineering safety of the coating; the drawing method is used as one of quantitative test methods, the standard flow of the drawing method requires that a test spindle is vertically stuck on the surface of a coating through a special adhesive, after solidification, an instrument is vertically drawn at a constant speed until the coating is separated, the maximum drawing force is recorded, in a plurality of industrial fields (such as petrochemical industry, ships and ocean engineering), a coating matrix (such as pipelines, storage tanks and steel structures) often has complex curved surfaces, the parts are weak areas of adhesive force due to the problems of uneven thickness of a paint film, concentrated solidifying stress and the like, and therefore, the specific detection is required before construction, but the bottom surface of the currently used standard drawing spindle is a plane, when the spindle is stuck on the curved surface, the axis of the spindle is difficult to be vertical to the local tangential plane of each test point, the deviation causes a lateral component force to form a stripping effect on the coating rather than ideal pure drawing force, and the result of the deviation not only causes lower measured value of the adhesive force, but also destroys the standardized condition of the test, causes distortion of the obtained data, and can not accurately reflect the real adhesive strength of the curved surface coating, thereby affecting the accurate evaluation of engineering quality. Disclosure of Invention The invention provides a performance detection device for inorganic paint, which aims to overcome the defect of low adhesion force measurement value caused by the fact that a spindle cannot be perpendicular to a tangential plane of a substrate to-be-measured point in the existing adhesion force detection process of curved surface paint. The technical scheme is that the performance detection device for the inorganic coating comprises a reaction frame, wherein a reset rod is connected in the reaction frame in a sealing sliding manner, a piston which is connected with the reaction frame in a sealing sliding manner is fixedly connected with the reset rod, a drawing piece is connected with the reset rod in a threaded manner, through holes which are distributed in an annular manner are formed in the drawing piece, steel balls are arranged in the through holes of the drawing piece, a limiting cylinder is connected in a sliding manner, the limiting cylinder is used for limiting the steel balls, an elastic piece is fixedly connected between the limiting cylinder and the drawing piece, a spindle is arranged on the drawing piece, the spindle is limited by the steel balls, and a supporting piece is arranged on the spindle and is in four-point butt joint with a position to be tested to determine the position of the spindle. Still further, the spindle is provided with four accommodation grooves, the support comprises four vertical portions, two butt portions and two connecting portions, the accommodation grooves are used for accommodating corresponding vertical portions, and the vertical portions can slide along the accommodation grooves. Further, the spindle is provided with a circular truncated cone portion, and the two abutting portions are in contact with the circular truncated cone portion. Furthermore, the position of the spindle, which is close to the supporting piece, is provided with an easy-to-detach piece, the easy-to-detach piece is provided with four limiting parts, and the accommodating groove limits the easy-to-detach piece through the limiting parts. Still further, the spacing portion is provided with spacing inclined plane, the spindle be provided with spacing inclined plane contact's locking inclined plane, locking inclined plane with spacing inclined plane is used for restricting spacing portion's component orientation. Still further, a guiding inclined plane is arranged in the accommodating groove, the vertical part is positioned between the adjacent guiding inclined plane and the adjacent limiting part, and the guiding inclined plane is used for limiting the component force direction of the vertical part when being extruded. Further, a flexible tube is sleeved at the position of the spindle close to the easy-to-detach piece, and the flexible tube is used for blocking glue solution from flowing. Still further, the reaction frame is close to one side of spindle is provided with holds the annular, the reaction frame rigid coupling has annular liquid bag and spacing ring, the annular liquid bag is c