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CN-122016167-A - Self-adaptive high-pressure dynamic sealing performance detection device

CN122016167ACN 122016167 ACN122016167 ACN 122016167ACN-122016167-A

Abstract

The invention discloses a self-adaptive high-pressure dynamic sealing performance detection device, and relates to the technical field of sealing test. This self-adaptation high pressure dynamic sealing performance detection device, through the setting of rising expansion subassembly, the sealing performance of degree flange pipeline connecting piece under the high pressure medium transport dynamic operating mode detects, rise expansion subassembly steerable laser gas imager by original vertical normal position state, switch to keep the horizontally illuminated state with flange pipeline connecting piece, can be directed against volatile liquid petrol, solvent or gaseous medium, after the laser shines the flange region, leak the medium can reflect specific spectrum, the real-time imaging of external display instrument shows the leakage position, thereby can discover fast whether the flange pipeline connecting piece appears leaking the problem under the dynamic operating mode, can carry out sealing performance detection processing to the flange pipeline connecting piece of multiple specification through the position that changes laser gas imager, performance detection data under the dynamic operating mode is more universal.

Inventors

  • DENG LEI
  • ZENG TIANYING
  • HUANG WENTING

Assignees

  • 广东政和工程有限公司

Dates

Publication Date
20260512
Application Date
20260203

Claims (10)

  1. 1. The utility model provides a self-adaptation high pressure dynamic seal performance detection device, includes pump body (1) and installs flange pipeline connecting piece (5) at the outer end of pump body (1), wherein, pump body (1) right side is provided with L shape movable seat (2), lift expansion subassembly (3) that are used for carrying out laser irradiation detection to volatilizable liquid are installed to L shape movable seat (2) outer wall, fixed subassembly (4) to flange pipeline connecting piece (5) centre gripping location are installed in the rotation of L shape movable seat (2) back wall, all fixed mounting have drive assembly (6) at L shape movable seat (2) lateral wall, L shape movable seat (2) roof is provided with detection subassembly (7) that detect purity medium, trace leakage.
  2. 2. The self-adaptive high-pressure dynamic sealing performance detection device according to claim 1, wherein the lifting expansion assembly (3) comprises a servo motor (31) fixedly arranged at the top end of the L-shaped movable seat (2), an ear groove (37) is formed in the middle of the L-shaped movable seat (2), an adjusting screw (32) is rotatably arranged on the inner wall of the ear groove (37), a power shaft of the servo motor (31) penetrates through the L-shaped movable seat (2) through a bearing to be fixedly connected with the top end of the adjusting screw (32), a sliding seat I (35) is fixedly connected with the outer wall of the adjusting screw (32) in a threaded manner, and the adjusting screw (32) drives the sliding seat I (35) to linearly move along the outer wall of the adjusting screw when rotating in the ear groove (37).
  3. 3. The self-adaptive high-pressure dynamic sealing performance detection device according to claim 2, wherein inner caulking grooves (38) are formed in two sides of the inner wall of the L-shaped movable seat (2), positioning rods (33) are fixedly arranged on the inner walls of the inner caulking grooves (38), sliding seats II (34) are slidably arranged on the outer walls of the positioning rods (33), and lifting seats (39) are hinged to the outer walls of the sliding seats II (34) and the sliding seats I (35) which are positioned on the same horizontal line.
  4. 4. The self-adaptive high-pressure dynamic sealing performance detection device according to claim 1, wherein the positions, corresponding to the lifting seat (39), of the top of the inner wall of the L-shaped movable seat (2) are hinged with connecting seats (310), telescopic rods (311) are arranged at the two sides of the rear wall of each connecting seat (310), mounting plates (312) are hinged with the extending ends of the telescopic rods (311), the bottom ends of the mounting plates (312) are fixedly connected with the outer wall of the lifting seat (39), laser gas imaging instruments (36) are arranged on the outer wall of the mounting plates (312), and after a flange area is irradiated by laser, specific spectrums are reflected by leakage mediums, and the external display instruments display the leakage positions in real time.
  5. 5. The self-adaptive high-pressure dynamic sealing performance detection device according to claim 1, wherein the fixing component (4) comprises a mounting groove (411) formed in the rear wall of the L-shaped movable seat (2), a steering shaft (410) is rotatably mounted on the inner wall of the mounting groove (411), two ends of the steering shaft (410) penetrate through the L-shaped movable seat (2) through bearings and are fixedly connected with the transmission component (6), a bogie (41) is fixedly mounted on the outer wall of the steering shaft (410), the bottom of the bogie (41) rotates in the inner wall of the mounting groove (411), hydraulic support rods (42) are hinged to two sides of the inner wall of the L-shaped movable seat (2), movable ends of the hydraulic support rods (42) are hinged to the outer wall of the bogie (41), and the bogie (41) is controlled to keep a 90-degree vertical state after the hydraulic support rods (42) shrink.
  6. 6. The self-adaptive high-pressure dynamic sealing performance detection device according to claim 5, wherein a U-shaped seat (43) is fixedly arranged at the top of the front wall of the bogie (41), a rotating shaft (44) is arranged on the inner wall of the U-shaped seat (43), scissor-type clamping arms (45) are arranged at two sides of the outer wall of the rotating shaft (44), extension arms (49) are fixedly arranged at the rear ends of the scissor-type clamping arms (45), the same connecting plate (46) is fixedly arranged between the extension arms (49) which are positioned on the same horizontal line, and supporting springs (47) are fixedly arranged on the inner wall of the extension arms (49).
  7. 7. The self-adaptive high-pressure dynamic sealing performance detection device according to claim 6, wherein anti-slip pads (48) are arranged on the inner walls of the scissor-type clamping arms (45), the inner walls of the anti-slip pads (48) are attached to the outer walls of the flange pipeline connecting pieces (5), and the supporting springs (47) push the extension arms (49), the scissor-type clamping arms (45) and the anti-slip pads (48) to clamp and fix the flange pipeline connecting pieces (5) to prevent falling.
  8. 8. The self-adaptive high-pressure dynamic sealing performance detection device according to claim 1, wherein the transmission assembly (6) comprises a transmission gear (61) fixedly arranged at the outer end of the steering shaft (410), the transmission gears (61) are all connected with a transmission rack (62) in a meshed mode, limiting grooves (63) are formed in the transmission rack (62), a plurality of limiting blocks (64) are uniformly arranged on the inner wall of the limiting grooves (63) in a sliding mode, and the bottom ends of the limiting blocks (64) are fixedly connected with the inner wall of the L-shaped movable seat (2).
  9. 9. The self-adaptive high-pressure dynamic sealing performance detection device according to claim 1, wherein the detection assembly (7) comprises an L-shaped connecting piece (71) fixedly installed on the top wall of the transmission rack (62), the bottom ends of the L-shaped connecting pieces (71) are fixedly provided with the same jacking seat (72), the top wall of the jacking seat (72) is provided with a jacking plane (74), and the front wall of the jacking seat (72) is provided with a jacking inclined plane (73).
  10. 10. The self-adaptive high-pressure dynamic sealing performance detection device according to claim 1, wherein the L-shaped positioning seats (75) are fixedly arranged on the inner walls of the L-shaped movable seats (2) and correspond to the jacking seats (72), the outer walls of the L-shaped positioning seats (75) are attached to the jacking seats (72), sliding rods (76) are slidably arranged on the inner walls of the L-shaped positioning seats (75), jacking rollers (77) are arranged at the bottom ends of the sliding rods (76), and mass spectrometer leak detector probes (78) are fixedly arranged at the top ends of the sliding rods (76) and used for collecting medium components and concentrations of flange peripheral gas instruments and accurately judging whether leakage and leakage rates are achieved.

Description

Self-adaptive high-pressure dynamic sealing performance detection device Technical Field The invention relates to the technical field of sealing test, in particular to a self-adaptive high-pressure dynamic sealing performance detection device. Background High pressure dynamic seals (e.g., shaft seals for reciprocating pumps, rotating equipment) are the core components of fluid machinery, whose performance is directly related to the efficiency and safety of the equipment. In the prior art, the self-adaptive seal (such as a seal structure adopting elastic element combination such as an O-shaped ring, a triangular ring and the like) can automatically adjust the seal specific pressure within a certain pressure range, and improves the seal effect ‌. Aiming at the related technology in the above, the evaluation of the sealing performance (such as leakage rate and abrasion state) of the sealing device in the actual operation process is mostly dependent on periodical offline disassembly and detection, the sealing state under the condition change cannot be reflected in real time, and the predictive maintenance capability is not enough. The pump body and the conveying pipeline are connected through the sealing flange, but the sealing effect of the sealing state and the sealing effect of the static state in the running process of the dynamic working condition are different, the dynamic sealing effect is kept stable, the overall conveying air tightness can be displayed, the sealing ring or the connecting bolt on the sealing flange is worn or loosened when the pump body works for a long time, the joint is exposed, the leakage risk is caused, particularly when toxic and harmful media are conveyed, the leakage problem is less influenced in advance, and the detection of the sealing performance under the dynamic working condition becomes the problem required to be solved by the person skilled in the art. Disclosure of Invention The invention aims to provide a self-adaptive high-pressure dynamic sealing performance detection device which solves the problems of the background technology. To achieve the purpose, the invention adopts the following technical scheme: The utility model provides a self-adaptation high pressure dynamic sealing performance detection device, includes the pump body and installs the flange pipeline connecting piece at the pump body outer end, the pump body right side is provided with L shape movable seat, the lift expansion assembly that is used for carrying out laser irradiation detection to volatilizable liquid is installed to L shape movable seat outer wall, the fixed subassembly to flange pipeline connecting piece centre gripping location is installed in L shape movable seat back wall rotation, the equal fixed mounting of L shape movable seat lateral wall has drive assembly, L shape movable seat roof is provided with the detection subassembly that detects purity medium, trace leakage. Further, the lifting expansion assembly comprises a servo motor fixedly arranged at the top end of the L-shaped movable seat, an ear groove is formed in the middle of the L-shaped movable seat, an adjusting screw rod is rotatably arranged on the inner wall of the ear groove, a power shaft of the servo motor penetrates through the L-shaped movable seat through a bearing to be fixedly connected with the top end of the adjusting screw rod, a first sliding seat is mounted on the outer wall of the adjusting screw rod in a threaded connection mode, and the first sliding seat is driven to linearly move along the outer wall of the first sliding seat when the adjusting screw rod rotates in the ear groove. Furthermore, the embedded grooves are formed in the two sides of the inner wall of the L-shaped movable seat, the positioning rods are fixedly mounted on the inner wall of the embedded grooves, the sliding seat II is slidably mounted on the outer wall of each positioning rod, and the sliding seat II and the sliding seat I which are located on the same horizontal line are hinged to one lifting seat. Further, the connecting seat is all articulated to the position that L shape movable seat inner wall top corresponds the elevating seat, the telescopic link is all installed to connecting seat back wall both sides position, the mounting panel is all articulated to the extension end of telescopic link, mounting panel bottom and elevating seat outer wall fixed connection, the mounting panel outer wall install with laser gas imager, laser gas imager is to volatile liquid petrol, solvent or gaseous medium, after the laser irradiation flange region, leaks the medium and can reflect specific spectrum, and outside display instrument images in real time and shows the position of leaking. Further, fixed subassembly is including seting up the mounting groove at L shape movable seat back wall, the installation groove inner wall rotates installs the steering spindle, steering spindle both ends all run through L shape movable seat and drive asse