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CN-121994182-A - Bellows pitch thickness measuring device

CN121994182ACN 121994182 ACN121994182 ACN 121994182ACN-121994182-A

Abstract

The invention relates to the technical field of corrugated pipe measurement, in particular to a corrugated pipe pitch thickness measuring device, which comprises a main body plate, wherein a first placing groove is formed in the upper end of the main body plate, a rotating clamping mechanism for clamping and rotating a corrugated pipe is arranged in the first placing groove, the rotating clamping mechanism comprises a plurality of third limiting bodies which are arranged in the first placing groove in a sliding mode, the upper ends of the third limiting bodies are respectively provided with a third placing groove, the upper end of the main body plate is provided with an outer pitch detecting mechanism for measuring the pitch of the outer surface of the corrugated pipe, the upper end of the main body plate is provided with an inner pitch wall thickness detecting mechanism for measuring the inner surface of a threaded rod, a plurality of third electric telescopic rods are telescopic, and meanwhile, a third motor opposite to the main body plate is started, so that the corrugated pipe is driven to clamp according to a preset bending degree, the bending angle of the corrugated pipe in actual use is simulated, and the precision for measuring the pitch and the wall thickness of the corrugated pipe is improved.

Inventors

  • ZHOU XIAOLAN

Assignees

  • 江苏艾迈特机械制造有限公司

Dates

Publication Date
20260508
Application Date
20260410

Claims (10)

  1. 1. The utility model provides a bellows pitch thickness measuring device, includes main part board (1), its characterized in that, first standing groove (11) has been seted up to the upper end of main part board (1), main part board (1) are provided with in first standing groove (11) to bellows clamp and pivoted rotation fixture (3), rotation fixture (3) including a plurality of slip setting third spacing body (32) in first standing groove (11), a plurality of third spacing body (32) the upper end has seted up third standing groove (35) respectively, a plurality of third spacing body (32) respectively at third standing groove (35) internal fixation have third electric telescopic handle (36), a plurality of the flexible tip of third electric telescopic handle (36) is fixedly connected with first biax electric telescopic handle (312) respectively, the upper end of main part board (1) is provided with outside detection mechanism (2) to the screw rod of bellows surface pitch measurement, the upper end of main part board (1) is provided with carries out wall thickness detection mechanism (4) to the inboard surface of measuring.
  2. 2. The corrugated pipe pitch thickness measuring device according to claim 1, wherein the telescopic ends of the first double-shaft electric telescopic rods (312) are respectively and fixedly connected with a first fixing plate (313), fourth placing grooves (314) are respectively formed in the upper ends of the first fixing plates (313), fifth electric telescopic rods (315) are respectively and fixedly connected with the first fixing plates (313) in the fourth placing grooves (314), the telescopic ends of the fifth electric telescopic rods (315) are fixedly connected with a second fixing plate (316), the side faces of the second fixing plates (316) are fixedly connected with a third motor (318), the driving shaft ends of the third motor (318) are fixedly connected with a second fixing body (319), and one side of the second fixing body (319) is of an arc-shaped structure.
  3. 3. The corrugated pipe pitch thickness measuring device according to claim 2, wherein the second fixing body (319) is provided with a plurality of fifth placing grooves (320) at equal angles in an arc-shaped structure, the second fixing body (319) is fixedly connected with a ninth electric telescopic rod (321) in the fifth placing grooves (320), telescopic ends of the ninth electric telescopic rod (321) are respectively and fixedly connected with a fixing shell (322), sides of the fixing shells (322) are respectively and fixedly connected with a fourth motor, transmission shaft ends of the fourth motor are respectively and fixedly connected with a friction roller (323) in the fixing shells (322), and sides of the friction roller (323) are flexible structures.
  4. 4. The corrugated pipe pitch thickness measuring device according to claim 1, wherein the side face of the main body plate (1) is fixedly connected with a second motor (31), a transmission shaft end of the second motor (31) is fixedly connected with a third threaded rod (34) in the first placing groove (11), the side faces of a plurality of third limiting bodies (32) are respectively provided with through holes (33) in a penetrating mode, a plurality of third limiting bodies (32) are respectively provided with a fixing ring (39) in the through holes (33), the side faces of the fixing rings (39) are respectively provided with threaded holes (310) matched with the side faces of the third threaded rod (34) in a penetrating mode, the side faces of the fixing rings (39) are provided with empty grooves (311) distributed at equal angles, the fixing rings (39) are fixedly connected with fourth electric telescopic rods (37) in the empty grooves (311), and telescopic end portions of the fourth electric telescopic rods (37) are fixedly connected with top blocks (38).
  5. 5. The corrugated pipe pitch thickness measuring device according to claim 1, wherein the inner pitch wall thickness detecting mechanism (4) comprises two seventh placing grooves (41) symmetrically formed in the upper end of the main body plate (1), sixth electric telescopic rods (42) are fixedly connected in the seventh placing grooves (41) respectively, winding mechanisms (43) are fixedly connected to telescopic ends of the two sixth electric telescopic rods (42) respectively, connecting ropes (44) are wound on the two winding mechanisms (43), and third fixing bodies (45) are fixedly connected to the side faces of the connecting ropes (44).
  6. 6. The corrugated pipe pitch thickness measuring device according to claim 5, wherein a plurality of eighth placing grooves (46) distributed at equal angles are symmetrically formed in the side face of the third fixing body (45), a seventh electric telescopic rod (47) is fixedly connected in the plurality of eighth placing grooves (46) of the third fixing body (45), supporting elliptical blocks are fixedly connected to telescopic end portions of the plurality of seventh electric telescopic rods (47) respectively, rotating grooves (49) are formed in the side face of the third fixing body (45), and rotating rings (48) are rotationally connected in the rotating grooves (49) of the third fixing body (45).
  7. 7. The device for measuring the pitch thickness of the corrugated pipe according to claim 6, wherein the third fixing body (45) is provided with a fifth motor in the rotating groove (49), a gear (410) is fixedly connected to the transmission shaft end of the fifth motor in the rotating groove (49), and the side surface of the gear (410) is meshed with the inner side surface of the rotating ring (48).
  8. 8. The bellows pitch thickness measuring device of claim 7, wherein a ninth placing groove (411) is formed in the side face of the rotating ring (48), an eighth electric telescopic rod (412) is fixedly connected to the rotating ring (48) in the ninth placing groove (411), a second double-shaft electric telescopic rod (413) is fixedly connected to the telescopic end portion of the eighth electric telescopic rod (412), a first pressure sensor is fixedly connected to the telescopic end portion of the second double-shaft electric telescopic rod (413) respectively, a rotating plate (414) is rotatably connected to the end portion of the first pressure sensor, the other ends of the two rotating plates (414) are rotatably matched, and a contact head (415) is arranged at the hinge position of the two rotating plates (414).
  9. 9. The corrugated pipe pitch thickness measuring device according to claim 1, wherein the outer pitch detecting mechanism (2) comprises two first motors (21) symmetrically arranged on the side surfaces of the main body plate (1), second limit grooves (210) are symmetrically formed in the upper end of the main body plate (1), second threaded rods (212) are respectively arranged in the second limit grooves (210) at the driving shaft ends of the two first motors (21), second limit bodies (211) are respectively arranged on the side surfaces of the two second threaded rods (212) in a matched mode, and the two second limit bodies (211) are respectively arranged in a sliding mode with the second limit grooves (210).
  10. 10. The device for measuring the pitch thickness of the corrugated pipe according to claim 9, wherein the upper ends of the second limiting bodies (211) are fixedly connected with first electric telescopic rods (23) respectively, telescopic ends of the two first electric telescopic rods (23) are provided with first fixing bodies (22), the lower ends of the first fixing bodies (22) are provided with first limiting grooves (25), the first fixing bodies (22) are connected with first limiting bodies (24) in a sliding manner in the first limiting grooves (25), the side surfaces of the first fixing bodies (22) are fixedly connected with sixth motors, driving shaft ends of the sixth motors are fixedly connected with first threaded rods (26) which are arranged with the first limiting bodies (24) in a threaded mode, the lower ends of the first limiting bodies (24) are provided with second placing grooves (27), the first limiting bodies (24) are fixedly connected with second electric telescopic rods (28) in the second placing grooves (27), the end portions of the second electric telescopic rods (28) are fixedly connected with second ultrasonic transducers (29), and the lower ends of the second ultrasonic transducers (29) are fixedly connected with the second electric transducers.

Description

Bellows pitch thickness measuring device Technical Field The invention relates to the technical field of corrugated pipe measurement, in particular to a corrugated pipe pitch thickness measuring device. Background A bellows is a flexible tubular element having a plurality of concentric annular corrugations, which is structurally designed to provide good flexibility and bending properties in the axial, transverse and angular directions. The method is widely applied to the fields of expansion and contraction compensation, vibration reduction and noise reduction, sealing connection and the like of a pipeline system, the pitch measurement of the corrugated pipe refers to the axial distance between corresponding points (such as wave crests and wave crests or wave troughs and wave troughs) of two adjacent waves, and the thickness measurement of the wall thickness of the corrugated pipe is generally carried out on the corrugated section and the straight pipe section respectively through an ultrasonic thickness gauge or a precise caliper due to the fact that the wall thickness of the corrugated pipe possibly has non-uniformity due to a forming process. The bellows is bending apparatus generally when using, current device is fixed with bellows horizontal centre gripping through fixture when measuring bellows pitch and inner wall thickness, later measure the pitch of pipe wall through slide caliper etc. and measure the wall thickness of metal bellows through ultrasonic transducer, prior art can not carry out accurate measurement to the pitch of bellows inner wall, lead to some inboard pitch nonstandard bellows to flow, reduce the quality of bellows, prior art does not carry out pitch and wall thickness to the bellows under predetermined bending condition and measures, lead to measuring result and the inconsistent when in-service use. Disclosure of Invention The invention aims to solve the defects in the background art and provides a corrugated pipe pitch thickness measuring device. In order to achieve the purpose, the technical scheme includes that the corrugated pipe pitch thickness measuring device comprises a main body plate, wherein a first placing groove is formed in the upper end of the main body plate, a rotating clamping mechanism for clamping and rotating a corrugated pipe is arranged in the first placing groove, the rotating clamping mechanism comprises a plurality of third limiting bodies which are arranged in the first placing groove in a sliding mode, the upper ends of the third limiting bodies are respectively provided with a third placing groove, the third limiting bodies are respectively fixedly connected with a third electric telescopic rod in the third placing grooves, the telescopic ends of the third electric telescopic rods are respectively fixedly connected with a first double-shaft electric telescopic rod, an outer pitch detecting mechanism for measuring the outer surface pitch of the corrugated pipe is arranged at the upper end of the main body plate, and an inner pitch wall thickness detecting mechanism for measuring the inner surface of a threaded rod is arranged at the upper end of the main body plate. Preferably, the telescopic end parts of the first double-shaft electric telescopic rods are respectively and fixedly connected with a first fixing plate, the upper ends of the first fixing plates are respectively provided with a fourth placing groove, the first fixing plates are respectively and fixedly connected with a fifth electric telescopic rod in the fourth placing grooves, the telescopic end parts of the fifth electric telescopic rods are fixedly connected with a second fixing plate, the side surfaces of the second fixing plates are fixedly connected with a third motor, the driving shaft ends of the third motor are fixedly connected with a second fixing body, and one side of the second fixing body is of an arc structure. Preferably, the second fixing body is provided with a plurality of fifth placing grooves at equal angles in the arc-shaped structure, the second fixing body is fixedly connected with a ninth electric telescopic rod in the fifth placing grooves respectively, the telescopic ends of the ninth electric telescopic rods are fixedly connected with fixing shells respectively, the side faces of the fixing shells are fixedly connected with fourth motors respectively, the transmission shaft ends of the fourth motors are fixedly connected with friction rollers in the fixing shells respectively, and the side faces of the friction rollers are flexible structures. Preferably, the side of the main body plate is fixedly connected with a second motor, and the transmission shaft end of the second motor is fixedly connected with a third threaded rod in the first placing groove. The side surfaces of the third limiting bodies are respectively provided with through holes in a penetrating mode, and the third limiting bodies are respectively provided with fixing rings in the through holes. The