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CN-121977821-A - Portable explosion-proof type relief valve on-line verification device

CN121977821ACN 121977821 ACN121977821 ACN 121977821ACN-121977821-A

Abstract

The application relates to a portable explosion-proof safety valve on-line verification device, which relates to the technical field of safety valve verification and comprises a data processor, a safety valve main body and a docking stabilizing device. The application has the advantages that the serial mechanical structure formed by the force sensor, the hydraulic cylinder, the cushion block, the screw and the nut is arranged, the limit function is realized, the opening height of the tested safety valve main body can be artificially limited, the safety hidden dangers such as no seat return, damage and excessive medium loss after the safety valve main body is opened are safely and effectively avoided, meanwhile, the application has the advantages of small volume, light weight, portability and practicability, and can be carried by one person to complete the on-site verification work, and the positioning butt joint support of the verification device and the safety valve is met by arranging the butt joint stabilizing device outside the hydraulic cylinder, so that the verification device and the safety valve are quickly butt-jointed and combined, and the installation or use height of the verification device can be flexibly adjusted by matching with the adjusting component, so that the use effect of different verification conditions can be adapted.

Inventors

  • DENG CHUNXI
  • WU YU
  • ZHANG JUN

Assignees

  • 上海化学工业检验检测有限公司

Dates

Publication Date
20260505
Application Date
20260320

Claims (10)

  1. 1. The utility model provides a portable explosion-proof type relief valve on-line verification device, its characterized in that, including data processing appearance (1), data processing appearance (1) rear end interface department butt joint has data transmission line (2), data transmission line (2) are connected with force transducer (3) external interface, force transducer (3) lower extreme is equipped with hydraulic cylinder (4), hydraulic cylinder (4) bottom butt joint has cushion (5), force transducer (3), hydraulic cylinder (4) and cushion (5) middle part all insert screw rod (6), screw rod (6) upper end screw thread butt joint has nut (7), hydraulic cylinder (4) external interface butt joint has hydraulic oil pipe (8), and hydraulic oil pipe (8) other end and manual hydraulic oil pump (9) play oily end meet, screw rod (6) lower extreme and relief valve main part (10) meet, hydraulic cylinder (4) outside is equipped with butt joint securing device (11).
  2. 2. The portable explosion-proof safety valve on-line verification device according to claim 1, wherein the docking stabilizing device (11) comprises a bottom frame (111), the bottom frame (111) is connected to the outer side of the upper end of the safety valve main body (10), a clamping assembly (112) is installed at the top of the bottom frame (111), telescopic rods (113) are installed on two sides of the upper end of the clamping assembly (112), the upper ends of the telescopic rods (113) are connected with connecting discs (114), the connecting discs (114) are fixedly arranged on the outer side of the hydraulic cylinder (4), the outer side of the telescopic rods (113) are connected with an adjusting assembly (115), and the bottoms of the adjusting assembly (115) are in bolt docking with the clamping assembly (112).
  3. 3. The portable explosion-proof safety valve online verification device according to claim 2, wherein the clamping assembly (112) comprises a chassis (1121), the chassis (1121) is fixedly arranged at the upper end of the chassis (111), a turntable (1122) is rotatably arranged at the upper end of the chassis (1121), transmission grooves (1123) are formed in two sides of the upper end of the turntable (1122), a connecting shaft (1124) is inserted into the transmission grooves (1123), the lower end of the connecting shaft (1124) is in butt joint with a telescopic clamping plate (1125), the telescopic clamping plate (1125) is slidably arranged in the chassis (1121), a driving structure (1126) is arranged at the front side of the interior of the chassis (1121), and the driving structure (1126) is connected with the lower end of the turntable (1122).
  4. 4. The portable explosion-proof safety valve online verification device according to claim 3, wherein the driving structure (1126) comprises a driving rod (11261), a rotating block (11262) is externally abutted to the driving rod (11261), a rotating shaft (11263) is installed at the lower end of the rotating block (11262), the rotating shaft (11263) is rotatably abutted to the inside of the chassis (1121), the driving rod (11261) is in threaded abutting joint with the middle of the moving block (11264), an abutting shaft (11265) is inserted into the upper end of the moving block (11264), and the abutting shaft (11265) is connected with the lower end of the rotary disc (1122).
  5. 5. The portable explosion-proof safety valve on-line verification device according to claim 2, wherein the telescopic rod (113) further comprises a limiting rod (1131) fixedly arranged at the top, and the limiting rod (1131) is in limiting butt joint with the side edge of the connecting disc (114).
  6. 6. The portable explosion-proof safety valve online verification device according to claim 5, wherein the adjusting assembly (115) comprises a connecting shell (1151), the connecting shell (1151) is in bolt butt joint with the upper end of the rotary table (1122), adjusting rods (1152) and guide rods (1153) are arranged in the connecting shell (1151), the adjusting rods (1152) and the guide rods (1153) are connected with the inside of the connecting frame (1154), rocking handles (1155) are in butt joint with the upper ends of the adjusting rods (1152), sleeve barrels (1156) are fixedly arranged on the upper ends of two sides of the connecting frame (1154), and the sleeve barrels (1156) are sleeved on the outer sides of the telescopic rods (113).
  7. 7. The portable explosion-proof safety valve on-line checking device according to claim 3, wherein the transmission grooves (1123) are correspondingly formed along the left side and the right side of the upper end of the turntable (1122), and the transmission grooves (1123) on the two sides are formed in the shape of opposite arc grooves.
  8. 8. The portable explosion-proof safety valve on-line checking device according to claim 3, wherein the telescopic clamping plates (1125) are symmetrically and horizontally slidably arranged along the left and right sides of the inside of the chassis (1121), and the telescopic clamping plates (1125) on both sides are elastically telescopic.
  9. 9. The portable explosion-proof safety valve on-line verification device according to claim 5, wherein the limiting rods (1131) are vertically and fixedly connected along four sides of the upper end of the telescopic rod (113), and cross grooves are formed between the four sides of the limiting rods (1131).
  10. 10. The portable explosion-proof safety valve on-line verification device according to claim 6, wherein the sleeve (1156) is vertically sleeved on the outer side of the telescopic rod (113), and the front side of the upper end of the sleeve (1156) is in threaded butt joint with the telescopic rod (113) through a bolt.

Description

Portable explosion-proof type relief valve on-line verification device Technical Field The application relates to the technical field of online verification of safety valves, in particular to a portable online verification device for an explosion-proof safety valve. Background The safety valve is a key safety protection device in industries such as petrochemical industry, electric power, pharmacy, energy and the like, is used for automatically opening pressure relief when the system pressure exceeds a set value, and preventing equipment from being exploded or damaged by overpressure. Aiming at the related technology, the prior Chinese patent publication No. CN104977161B is a portable miniature hydraulic drive safety valve on-line calibrator which comprises a V-shaped sliding block seat, a cross beam buckle, a fixed base, a miniature hydraulic cylinder, a weighing sensor, a lifting screw and the like, wherein two ends of the V-shaped sliding block seat are respectively sleeved on the fixed base, the hydraulic rod, the weighing sensor and the cross beam buckle are fixed into a whole, the valve rod and a valve cap can be driven to slide up and down under the action of the miniature hydraulic cylinder, and the safety valve is opened and closed. In the above-mentioned prior patent, to the holistic installation dynamics of structure control less, too big damage the relief valve more easily, too little then to the stability of structure butt joint be difficult to keep, increased the degree of difficulty of follow-up check-up operation for the efficiency of relief valve on-line check-up receives certain influence. Disclosure of Invention The application aims to provide a portable anti-explosion type safety valve on-line verification device so as to solve the problems in the background technology. The portable anti-explosion type safety valve online verification device provided by the application adopts the following technical scheme that the portable anti-explosion type safety valve online verification device comprises a data processing instrument, wherein a data transmission line is butted at the rear end joint of the data processing instrument, the data processing instrument is powered by a lithium battery, an external power supply is not needed, the limitation of actual field verification is reduced, the requirement on excessive working condition basic conditions is avoided, the data transmission line is connected with an external interface of a force sensor, the lower end of the force sensor is provided with a hydraulic cylinder, a cushion block is butted at the bottom of the hydraulic cylinder, the force sensor, the hydraulic cylinder and the middle part of the cushion block are inserted into a screw rod, a nut is butted at the upper end of the screw rod, a hydraulic oil pipe is butted at the external interface of the hydraulic cylinder, the other end of the hydraulic oil pipe is connected with an oil outlet end of a manual hydraulic oil pump, the lower end of the screw rod is connected with a safety valve main body, and a butting stabilizing device is arranged outside the hydraulic cylinder. By adopting the technical scheme, the force sensor is in butt joint with the valve rod of the safety valve main body through the hydraulic oil cylinder, so that the valve rod can be pulled up along with the force sensor, the acquisition and analysis of the whole data of the safety valve main body are conveniently realized, and whether the internal pressure and the tightness of the safety valve main body are in a standard state or not is judged. Preferably, the docking stabilizing device comprises a bottom frame, the bottom frame is connected to the outer side of the upper end of the safety valve main body, the clamping assembly is installed at the top of the bottom frame, telescopic rods are installed on two sides of the upper end of the clamping assembly, the upper ends of the telescopic rods are connected with the connecting discs, the connecting discs are fixedly arranged on the outer sides of the hydraulic cylinders, the outer sides of the telescopic rods are connected with the adjusting assembly, and the bottoms of the adjusting assembly are in butt joint with the clamping assembly through bolts. Through adopting above-mentioned technical scheme, clamping component and adjusting part's setting promptly can provide stable support cooperation and location butt joint support for the butt joint of verifying attachment and relief valve main part, improves follow-up check-up efficiency. Preferably, the clamping assembly comprises a chassis, the chassis is fixedly arranged at the upper end of the chassis, the turntable is rotatably arranged at the upper end of the chassis, transmission grooves are formed in two sides of the upper end of the turntable, connecting shafts are inserted into the transmission grooves, the lower ends of the connecting shafts are butted with telescopic clamping plates, the telescopic clamping plate