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CN-121739862-B - Valve aperture detection device

CN121739862BCN 121739862 BCN121739862 BCN 121739862BCN-121739862-B

Abstract

The invention belongs to the technical field of valve aperture detection, and particularly discloses a valve aperture detection device which comprises a detection table, a valve centering clamping mechanism and a self-marking aperture detection mechanism. Under the condition of no electric sensing component, the multiple technical effects of omnibearing circumferential detection and marking of the valve aperture are realized only by arranging an elastic attaching triggering mode.

Inventors

  • WANG QISHENG
  • HUANG GUOHUA
  • LI FANGPING
  • WANG QIWEI
  • DAI BIN
  • LIU HAIJIAO

Assignees

  • 山西瑞阳智能供热技术研究中心有限公司

Dates

Publication Date
20260508
Application Date
20260228

Claims (5)

  1. 1. A valve aperture detection device is characterized by comprising a detection table (1), a valve centering clamping mechanism (2) and a self-marking aperture detection mechanism (3), wherein the valve centering clamping mechanism (2) is arranged on the detection table (1), the self-marking aperture detection mechanism (3) is arranged on the detection table (1), and the self-marking aperture detection mechanism (3) comprises a frame body (4), The automatic marking type aperture detection device comprises a self-marking type aperture detection piece (5) and a rotating motor (6), wherein the frame body (4) is arranged on a detection table (1), the self-marking type aperture detection piece (5) is rotationally arranged on the frame body (4), the rotating motor (6) is arranged on the frame body (4), the output end of the rotating motor (6) is connected with the self-marking type aperture detection piece (5), the self-marking type aperture detection piece (5) comprises an aperture adaptation adjusting device (7) and an aperture detection marking piece (8), the aperture adaptation adjusting device (7) is arranged on the frame body (4), the aperture detection marking piece (8) is connected with the aperture adaptation adjusting device (7), and the aperture detection marking piece (8) comprises a fixed plate (9), The hole wall laminating detection device comprises a hole wall laminating detection piece (10) and an automatic marking piece (11), wherein the fixed plate (9) is connected with a hole diameter adaptation adjusting device (7), the hole wall laminating detection piece (10) is arranged on the fixed plate (9), the automatic marking piece (11) is clamped and slidingly arranged on the fixed plate (9), the fixed plate (9) comprises a fixed plate (12), a supporting plate (13) and a supporting clamping plate (14), the fixed plate (12) is connected with the hole diameter adaptation adjusting device (7), the supporting plate (13) is arranged on the fixed plate (12), the supporting clamping plate (14) is arranged above the supporting plate (13), a sliding groove (15) is formed in the supporting clamping plate (14), and the hole wall laminating detection piece (10) comprises a spring (16), Trigger post (17) and laminating detection head (18), be equipped with trigger hole (19) on fixed plate (12), trigger post (17) telescopic sliding locates in trigger hole (19), on fixed plate (12) are located to one end of spring (16), laminating detection head (18) links to each other with the other end of spring (16), automatic marker (11) are including flexible mark pole (20), mark regulation pole (21), marker pen (22) and mark circle spare (23), flexible mark pole (20) block sliding locates in spout (15), mark regulation pole (21) are located on flexible mark pole (20), marker pen (22) link to each other with the expansion end of mark regulation pole (21), mark circle spare (23) include pull bracing piece (24), The device comprises a marking ring (25) and a supporting column (26), wherein the drawing supporting rod (24) is arranged on a frame body (4), the marking ring (25) is arranged on the drawing supporting rod (24), the supporting column (26) is arranged on an aperture adaptation adjusting device (7), a limiting sliding groove (27) is formed in the bottom wall of the marking ring (25), the supporting column (26) is clamped and slidingly arranged in the limiting sliding groove (27), and the triggering column (17) is used for driving the telescopic marking rod (20) to move downwards.
  2. 2. The valve aperture detection device according to claim 1, wherein the aperture adaptation adjusting device (7) comprises a height adjusting rod (28), a fixed block (29) and an aperture wall fitting adjusting rod (30), the height adjusting rod (28) is arranged on the frame body (4), the fixed block (29) is connected with a movable end of the height adjusting rod (28), the aperture wall fitting adjusting rod (30) is arranged on the fixed block (29), and the supporting column (26) is arranged on the fixed block (29).
  3. 3. The valve aperture detection device according to claim 2, wherein the valve centering clamping mechanism (2) comprises a linkage clamping device (31) and an adaptive clamping device (32), the linkage clamping device (31) comprises a hydraulic push rod (31), a linkage rod piece (34), a hinge limiting piece (35), a linkage push rod (36) and a clamping slide block (37), the linkage rod piece (34) is symmetrically arranged on the detection table (1) in a rotating mode, one end of the hydraulic push rod (33) is hinged to one end of one linkage push rod (36), the other end of the hydraulic push rod (33) is hinged to one end of the other linkage push rod (36), the hinge limiting piece (35) is arranged on the detection table (1), one end of the linkage push rod (36) is hinged to the other end of the linkage push rod (36), the clamping slide block (37) is hinged to the other end of the linkage push rod (36), and the clamping slide block (37) is arranged in the detection table (1) in a clamping sliding mode.
  4. 4. The valve aperture detection device according to claim 3, wherein the hinge limiting piece (35) comprises a fixed disc (38), a fixed column (39), a limiting ring (40), an ear plate (41) and a hinge rod (42), the fixed disc (38) is arranged on the detection table (1), the fixed column (39) is arranged on the bottom wall of the fixed disc (38), the limiting ring (40) is sleeved and slidingly arranged on the fixed column (39), the ear plate (41) is symmetrically arranged on the outer circumferential wall of the limiting ring (40), a connecting plate (43) is arranged in the middle of the linkage rod piece (34), one end of the hinge rod (42) is hinged with the ear plate (41), and the other end of the hinge rod (42) is hinged with the connecting plate (43).
  5. 5. The valve aperture detection device according to claim 4, wherein the self-adaptive clamping device (32) comprises an adjusting rotating rod (44), a moving plate (45), a guiding telescopic column (46), a self-adaptive spring (47) and a flexible clamping head (48), a clamping groove (49) is formed in the detection table (1), the adjusting rotating rod (44) is rotationally arranged in the clamping groove (49), the adjusting rotating rod (44) is a cylindrical rod with one threaded end and the other end being unthreaded, the moving plate (45) is clamped and slidingly arranged in the clamping groove (49), the moving plate (45) is sleeved on the adjusting rotating rod (44), the guiding telescopic column (46) is arranged on the moving plate (45), the self-adaptive spring (47) is arranged on the outer side of the guiding telescopic column (46), the flexible clamping head (48) is arranged at the guiding telescopic column (46), and the self-adaptive spring (47) is arranged between the flexible clamping head (48) and the moving plate (45).

Description

Valve aperture detection device Technical Field The invention belongs to the technical field of valve aperture detection, and particularly relates to a valve aperture detection device. Background In the field of valve manufacturing and maintenance, the sealing performance of a valve is important, and the roundness of the aperture of the valve (namely, the roundness and smoothness of the aperture wall) is one of key indexes affecting the sealing performance. If the aperture has the defects of ovality, partial concave or convex and the like, the valve can not be completely sealed in a closed state, medium leakage is caused, and the safety and the efficiency of the system are affected. Currently, detection of valve aperture rounding is mostly dependent on conventional methods. The common mode is to use calipers, inside micrometer equivalent to carry out multi-point manual measurement, and the roundness error is estimated by comparing measured values in different diameter directions. The method is complex in operation, low in efficiency, limited in measuring points, incapable of reflecting continuous change conditions of the aperture on the whole circumference, easy to miss local defects, and high in subjectivity, and a measuring result is greatly influenced by experience of operators. Accordingly, there is a strong need in the art for a valve aperture detection apparatus that is capable of being implemented quickly, accurately, omnidirectionally, automatically, and without loss, to overcome the above-mentioned drawbacks of the prior art. Disclosure of Invention Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the valve aperture detection device, which realizes multiple technical effects of omnibearing circumferential detection and marking of the valve aperture by only arranging an elastic attaching triggering mode under the condition of no electric sensing component. The technical scheme includes that the valve aperture detection device comprises a detection table, a valve centering clamping mechanism and a self-marking aperture detection mechanism, wherein the valve centering clamping mechanism is arranged on the detection table, the self-marking aperture detection mechanism comprises a frame body, a self-marking aperture detection piece and a rotating motor, the frame body is arranged on the detection table, the self-marking aperture detection piece is rotatably arranged on the frame body, the rotating motor is arranged on the frame body, and the output end of the rotating motor is connected with the self-marking aperture detection piece. Further, the self-marking type aperture detection part comprises an aperture adaptation adjusting device and an aperture detection marking part, wherein the aperture adaptation adjusting device is arranged on the frame body, the aperture detection marking part is connected with the aperture adaptation adjusting device, the aperture detection marking part comprises a fixed plate, a hole wall fitting detection part and an automatic marking part, the fixed plate is connected with the aperture adaptation adjusting device, the hole wall fitting detection part is arranged on the fixed plate, and the automatic marking part is clamped and slidingly arranged on the fixed plate. Preferably, the fixing plate comprises a fixing plate, a supporting plate and a supporting clamping plate, the fixing plate is connected with the aperture adaptation adjusting device, the supporting plate is arranged on the fixing plate, the supporting clamping plate is arranged on the fixing plate, and the supporting clamping plate is arranged above the supporting plate. Further, a sliding groove is formed in the supporting clamping plate. The hole wall laminating detection piece comprises a spring, a trigger column and a laminating detection head, a trigger hole is formed in the fixed plate, the trigger column is arranged in the trigger hole in a telescopic sliding mode, one end of the spring is arranged on the fixed plate, and the laminating detection head is connected with the other end of the spring. Further, the automatic marking piece comprises a telescopic marking rod, a marking adjusting rod, a marking pen and a marking ring piece, wherein the telescopic marking rod is clamped and slidingly arranged in the sliding groove, the marking adjusting rod is arranged on the telescopic marking rod, the marking pen is connected with the movable end of the marking adjusting rod, the marking ring piece comprises a drawing supporting rod, a marking ring and a supporting column, the drawing supporting rod is arranged on the frame body, the marking ring is arranged on the drawing supporting rod, the supporting column is arranged on the aperture adaptation adjusting device, a limiting sliding groove is formed in the bottom wall of the marking ring, and the supporting column is clamped and slidingly arranged in the limiting sliding groove. As a further preferred aspec