Search

CN-121990460-A - Hydraulic cylinder controllable turning mechanism and hydraulic cylinder turning and wheel shaft dismounting device

CN121990460ACN 121990460 ACN121990460 ACN 121990460ACN-121990460-A

Abstract

The invention relates to the technical field of hydraulic cylinder maintenance and discloses a hydraulic cylinder controllable turning mechanism and hydraulic cylinder turning and wheel axle dismounting equipment. The hydraulic cylinder controllable turning mechanism comprises a connecting table, a turning assembly, a fixing unit arranged on the turning assembly and a lifting driving unit connected between the connecting table and the turning assembly, wherein the fixing unit comprises a first fixing piece and two second fixing pieces, the first fixing piece and the two second fixing pieces jointly form a three-point supporting structure, and the lifting driving unit is suitable for driving the turning assembly and the fixing unit to lift. According to the invention, the posture of the hydraulic cylinder is stably restrained from above through the three-point supporting structure, and the hydraulic cylinder is stably turned over by being matched with controllable lifting, so that the problems of swing, inclination, slipping and part collision damage of the hydraulic cylinder caused by the traditional steel wire rope bundling or simple support supporting mode are solved, the safety and efficiency of the disassembling operation are improved, and the operation reliability after equipment maintenance is ensured.

Inventors

  • WU XIANBING
  • HUANG ANGUO

Assignees

  • 三峡国际能源投资集团有限公司
  • 中国长江电力股份有限公司

Dates

Publication Date
20260508
Application Date
20260316

Claims (10)

  1. 1. A controllable turnover mechanism of hydraulic cylinder, characterized by comprising: A connection table (5); The turning-over assembly (9) is arranged below the connecting table (5); The fixing unit is arranged on the turning-over assembly (9) and comprises a first fixing piece and two second fixing pieces, wherein any fixing piece is suitable for being fixedly connected with a hydraulic cylinder; The lifting driving unit is connected between the connecting table (5) and the turning-over assembly (9) and is suitable for driving the turning-over assembly (9) and a fixing unit on the turning-over assembly to lift; the turnover device comprises a turnover assembly (9), a first fixing piece, two second fixing pieces, a third fixing piece and a fourth fixing piece, wherein the first fixing piece is arranged at the center of the bottom of the turnover assembly (9) and used for fixing the gravity center of a hydraulic cylinder, the two second fixing pieces are symmetrically arranged at two sides of the first fixing piece and used for fixing two end parts of the hydraulic cylinder, and the first fixing piece and the two second fixing pieces form a three-point supporting structure together.
  2. 2. The hydraulic cylinder controllable turning mechanism according to claim 1, wherein the turning assembly (9) comprises a fixed table (901) and two sliding tables (902), the two sliding tables (902) are fixed on two sides of the top end of the fixed table (901), the first fixing piece is a first fixing hook (908) vertically fixed on the middle of the bottom end of the fixed table (901), and the two second fixing pieces are second fixing hooks (909) respectively installed on the fixed table (901) through two fixing seats (905).
  3. 3. The hydraulic cylinder controllable turning mechanism according to claim 2, wherein the lifting driving unit comprises two lifting modules which are arranged at intervals, each lifting module comprises a driving motor (912), a winding roller (911) and a steel wire rope (907), the driving motor (912) is fixedly arranged on the connecting table (5), an output shaft of the driving motor (912) is in transmission connection with the winding roller (911), one end of the steel wire rope (907) is wound on the winding roller (911), and the other end of the steel wire rope is connected with the turning component (9) after bypassing a connecting wheel (906) arranged at the top end of the fixed seat (905); The fixed table (901) is provided with a plurality of second pulleys (904), and the second pulleys (904) are arranged on one side of the fixed table (901) away from the lifting driving unit; Fixed pile (910) are fixedly arranged at the bottom of the fixed table (901), and the fixed piles (910) are arranged at intervals on one side, away from the first fixed piece, of the second fixed piece.
  4. 4. A hydraulic cylinder turning-over and axle dismounting device, characterized by comprising the hydraulic cylinder controllable turning-over mechanism as claimed in any one of claims 1 to 3; The disassembly frame (2) is fixedly arranged on one side of the connecting table (5) in the hydraulic cylinder controllable turning mechanism, and the disassembly frame (2) is used for accommodating and positioning the hydraulic cylinder to be disassembled; And the support component (1), the support component (1) is arranged at the bottom of the dismounting frame (2) in a lifting and moving manner, and the support component (1) is used for supporting the dismounting frame (2) from the lower part.
  5. 5. The hydraulic cylinder turning-over and axle dismounting device according to claim 4, wherein the supporting assembly (1) comprises a fixed base (101), a lifting cylinder (102), a lifting table (103) and a supporting unit (104), wherein the mounting end of the lifting cylinder (102) is fixed on the fixed base (101), the driving side of the lifting cylinder (102) is connected with the lifting table (103), and the supporting unit (104) is mounted on the lifting table (103).
  6. 6. The hydraulic cylinder turning and axle dismounting device according to claim 5, characterized in that the support unit (104) comprises: a support base (1041) fixed to the lifting base (103); the angle adjusting shell (1043) is fixed at the center of the top of the supporting table (1041), and an angle rod (1044) is rotationally connected with the angle adjusting shell (1043); A height table (1045) fixed to the top end of the angle lever (1044); two baffles (1046) which are oppositely arranged and fixed on two sides of the top of the height table (1045); Two clamping plates (1047) respectively arranged on the inner sides of the two baffle plates (1046); The two screw rods (1048) are respectively connected in one baffle plate (1046) in a threaded manner, and the end parts of the screw rods (1048) are rotationally connected with the corresponding clamping plates (1047); Under the action of external force, the two screw rods (1048) are suitable for rotating, and correspondingly drive the two clamping plates (1047) to move towards or away from each other so as to clamp or unclamp the dismounting frame (2).
  7. 7. The hydraulic cylinder turning and axle dismounting device according to claim 6, wherein connecting springs (1042) are fixedly arranged on two sides of the top of the supporting table (1041), and the top ends of the connecting springs (1042) are connected with the bottom of the height table (1045).
  8. 8. The hydraulic cylinder turning and axle dismounting device according to claim 4, wherein the dismounting frame (2) comprises two opposite vertical plates (21) and a plurality of length rods (22), the length rods (22) are connected between the two vertical plates (21), and limiting assemblies (4) are arranged on two sides of the inner wall of the dismounting frame (2).
  9. 9. The hydraulic cylinder turning and axle dismounting device according to claim 8, wherein the limiting assembly (4) comprises a screw (41) horizontally arranged and a limiting shell (42) sleeved on the screw (41), the limiting shell (42) is in threaded fit with the screw (41), a fixing screw (43) is arranged on the limiting shell (42), and the fixing screw (43) is used for locking the limiting shell (42) on the screw (41).
  10. 10. The hydraulic cylinder turning and axle dismounting device according to claim 4, characterized in that the top of the dismounting frame (2) is provided with a plurality of hoisting assemblies (3), the hoisting assemblies (3) comprise a mounting seat (31) fixed with the dismounting frame (2), a hoisting seat (33) fixed on the mounting seat (31) and a hoisting ring (32) rotatably connected on the hoisting seat (33), and/or The device further comprises a limiting frame (6), wherein the limiting frame (6) is arranged on one side, close to the disassembly frame (2), of the connecting table (5); The inner fixing of the limiting frame (6) is provided with a flushing block (7), and the flushing block (7) is provided with a flushing port (8) which is communicated with the flushing block.

Description

Hydraulic cylinder controllable turning mechanism and hydraulic cylinder turning and wheel shaft dismounting device Technical Field The invention relates to the technical field of hydraulic cylinder maintenance, in particular to a hydraulic cylinder controllable turning mechanism and hydraulic cylinder turning and axle dismounting equipment. Background In maintenance of large-scale water conservancy facilities such as hydropower stations, a hydraulic cylinder is used as a core driving component of a hydraulic hoist, and regular disassembly and maintenance are needed. In the related art, for the hydraulic cylinder disassembly operation, when the cylinder body needs to be turned over to inspect or disassemble the other side part, a mode of directly binding a steel wire rope or supporting a simple bracket is generally adopted. The traditional mode is difficult to accurately control the gravity center of the hydraulic cylinder due to the fact that steel wire ropes are bound, the cylinder body is easy to swing, rotate and even slip in the lifting and turning-over process, serious potential safety hazards exist, the simple support can only provide unstable support from the bottom, the posture of the cylinder body cannot be effectively restrained in the turning-over process, and the cylinder body is inclined. These problems can lead to the hydraulic cylinder and its internal precision parts to be damaged by collision and scraping in the disassembly process, reduce the maintenance efficiency, increase the maintenance cost, and also possibly influence the operation reliability of the hydraulic cylinder after repair due to the hidden damage of the parts. Disclosure of Invention In view of the above, the present invention provides a hydraulic cylinder controllable turning mechanism and hydraulic cylinder turning and axle disassembling device, so as to solve the problems set forth in the above-mentioned background art. In a first aspect, the present invention provides a controllable turning mechanism for a hydraulic cylinder, comprising: A connection station; The turning-over assembly is arranged below the connecting table; the fixing unit is arranged on the turning-over assembly and comprises a first fixing piece and two second fixing pieces, wherein any fixing piece is suitable for being fixedly connected with a hydraulic cylinder; the lifting driving unit is connected between the connecting table and the turning-over assembly and is suitable for driving the turning-over assembly and the fixing unit on the turning-over assembly to lift; The first fixing piece is arranged at the center of the bottom of the turning-over assembly and used for fixing the gravity center of the hydraulic cylinder, the two second fixing pieces are symmetrically arranged on two sides of the first fixing piece and used for fixing two end parts of the hydraulic cylinder, and the first fixing piece and the two second fixing pieces form a three-point supporting structure together. The lifting device has the beneficial effects that the stable and reliable three-point support structure is formed by the first fixing piece arranged at the center of the bottom of the turning component and the two second fixing pieces symmetrically distributed on the two sides of the first fixing piece, and the lifting driving unit drives the hydraulic cylinder to integrally lift and turn over under the condition of simultaneously fixing the gravity center and the two ends of the hydraulic cylinder. In some embodiments, the turning-over assembly comprises a fixed table and two sliding tables, wherein the two sliding tables are fixed on two sides of the top end of the fixed table, the first fixing piece is a first fixing hook vertically fixed in the middle of the bottom end of the fixed table, and the two second fixing pieces are second fixing hooks respectively arranged on the fixed table through two fixing seats. The hydraulic cylinder has the advantages that the first fixing piece and the second fixing piece are specifically arranged to be fixing hooks, the hydraulic cylinder is quickly and firmly hooked through the fixing hooks, the hydraulic cylinder can be suitable for structures such as lifting lugs and flanges on the outer surface of the hydraulic cylinder body, the first fixing hooks are directly fixed with the fixing table, the second fixing hooks are arranged on the fixing table through the fixing base, the two sliding tables are fixedly arranged with the fixing table, the connecting structure is simple, the force transmission is reliable, the hydraulic cylinder is convenient to manufacture and install, stable mounting stress points can be provided for the hydraulic cylinder, and the reliability of the three-point supporting structure is ensured. In some embodiments, the lifting driving unit comprises two lifting modules, the two lifting modules are arranged at intervals, each lifting module comprises a driving motor, a winding roller and a steel wire rope,