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CN-122014745-A - Large-swing-angle heavy-load spherical hinge pulley mechanism and underwater test equipment

CN122014745ACN 122014745 ACN122014745 ACN 122014745ACN-122014745-A

Abstract

The application relates to a large-swing-angle heavy-load spherical hinge pulley mechanism and underwater test equipment, which comprise a spherical hinge assembly, wherein the spherical hinge assembly comprises a spherical hinge base and a spherical head pressing plate, the spherical hinge base and the spherical head pressing plate are mutually connected to form a ball socket which is rotationally connected with a spherical head rod, the spherical head rod comprises a spherical head arranged in the ball socket and a shaft rod which is connected with the spherical head and extends out of the spherical head pressing plate, the pulley assembly comprises a pulley base rotationally connected with the shaft rod, one end of the pulley base, far away from the spherical hinge assembly, is fixedly connected with two vertical plates which are mutually parallel and are arranged at intervals, a pulley disc is rotationally connected between the two vertical plates through a pin shaft, the width of the vertical plate is larger than the height of the vertical plate, and the height of the vertical plate is larger than the diameter of the pulley disc. The pulley component of the application freely rotates around the spherical hinge base and the spherical press plate at multiple angles through the spherical rod, so that the pulley component can adjust the self posture along with the traction rope. The contact sliding friction surfaces between the two sides or the top of the vertical plate and the traction rope are increased, and the correcting pulley assembly is more labor-saving and self-adaptive to rotate.

Inventors

  • ZHU JIE
  • SUN GUOCANG
  • Zheng Guoken
  • LIU AO
  • LI PEI
  • ZHOU FUCHANG
  • ZOU MINGXIN
  • Niu chen
  • WANG XIHUI
  • QIN YAN
  • HE SHIPING

Assignees

  • 中国船舶集团有限公司第七一九研究所

Dates

Publication Date
20260512
Application Date
20260323

Claims (10)

  1. 1. The utility model provides a big pivot angle heavy load ball pivot pulley mechanism which characterized in that includes: The ball joint assembly (110), the ball joint assembly (110) comprises a ball joint base (111) and a ball joint pressing plate (112), the ball joint base (111) and the ball joint pressing plate (112) are mutually connected to form a ball socket which is rotationally connected with a ball joint rod (113), the ball joint rod (113) comprises a ball joint (1131) positioned in the ball socket, and a shaft lever (1132) which is connected with the ball joint (1131) and extends out of the ball joint pressing plate (112); The pulley assembly (120), pulley assembly (120) include with pulley base (121) that axostylus axostyle (1132) rotate to be connected, pulley base (121) are kept away from one end fixedly connected with of spherical hinge subassembly (110) is parallel to each other and riser (122) that the interval set up, two be connected with pulley disk (123) through round pin axle (124) change between riser (122), the width of riser (122) is greater than the height of riser (122), the height of riser (122) is greater than the diameter of pulley disk (123).
  2. 2. The large swing angle heavy-duty spherical hinge pulley mechanism according to claim 1, wherein: The ball hinge base (111) and the ball head pressing plate (112) are connected through a plurality of bolts, a lower flange plate (1111) is arranged at the bottom of the ball hinge base (111), and an annular sinking groove (1112) is formed in the top of the ball hinge base (111); the ball head pressing plate (112) is of a circular ring structure, a central through hole (1121) extending out of the shaft lever (1132) is formed in the ball head pressing plate (112), and an annular boss (1124) extending into the annular sinking groove (1112) is arranged at the bottom of the ball head pressing plate (112).
  3. 3. The large swing angle heavy-duty spherical hinge pulley mechanism according to claim 2, wherein: The ball socket comprises a lower ball socket (1113) which is positioned at the top of the ball hinge base (111) and is concentric with the annular sinking groove (1112), and an upper ball socket (1122) which is positioned at the bottom of the ball head pressing plate (112) and is concentric with the annular boss (1124); the ball head (1131) is partially exposed out of the ball head pressing plate (112), a plurality of first stepped holes (1123) surrounding the periphery of the central through hole (1121) are formed in the ball head pressing plate (112), and a plurality of first threaded holes (1114) surrounding the periphery of the lower ball socket (1113) are formed in the ball hinge base (111).
  4. 4. The large swing angle heavy-duty spherical hinge pulley mechanism according to claim 1, wherein: The bottom of the pulley base (121) is provided with a lower shaft seat (125) and a lower shaft cover (126) which are rotationally connected with the shaft lever (1132), and the lower shaft seat (125) and the lower shaft cover (126) are mutually connected through bolts and form a shaft lever cavity (1251) which partially accommodates the shaft lever (1132); The outer periphery of one end of the shaft rod (1132) far away from the ball head (1131) is provided with a bearing positioning groove (1133) positioned in the shaft rod cavity (1251), two semicircular bearings (127) which are arranged in the bearing positioning groove (1133) in a surrounding mode are arranged on the shaft rod (1132), and the lower shaft cover (126) axially positions the semicircular bearings (127) in the shaft rod cavity (1251).
  5. 5. The large swing angle heavy-duty spherical hinge pulley mechanism according to claim 4, wherein: The lower shaft cover (126) is of a circular ring structure, a shaft hole penetrating into the shaft rod (1132) is formed in the lower shaft cover (126), a plurality of second stepped holes (1261) surrounding the periphery of the shaft hole are formed in the lower shaft cover (126), a plurality of second threaded holes surrounding the periphery of the shaft rod cavity (1251) are formed in the lower shaft seat (125), and the second stepped holes (1261) correspond to the second threaded holes one by one.
  6. 6. The large swing angle heavy-duty spherical hinge pulley mechanism according to claim 1, wherein: The bottom surface of riser (122) be the plane and with pulley base (121) welded connection each other, riser (122) deviate from pulley disk (123) outer wall welded connection have multichannel mutually perpendicular connection's horizontal strengthening rib (133) and vertical strengthening rib (134), multichannel vertical strengthening rib (134) with pulley base (121) welded connection.
  7. 7. A large swing angle heavy duty spherical hinge pulley mechanism according to claim 1 or 6, wherein: The left end face and the right end face of the vertical plate (122) are arc surfaces, the top face of the vertical plate (122) is a plane, and a protective adhesive tape (128) arranged along the outlines of the left end face, the right end face and the top face of the vertical plate (122) is arranged on the inner wall surface of the vertical plate (122) close to the pulley disc (123); The edge of riser (122) has seted up a plurality of connections protection adhesive tape (128) fixed orifices, protection adhesive tape (128) are the nylon board of settlement thickness, protection adhesive tape (128) pass through the screw with riser (122) fixed connection.
  8. 8. A large swing angle heavy duty spherical hinge pulley mechanism according to claim 1 or 6, wherein: An arc-shaped bending plate (130) with an upward opening is connected between the two vertical plates (122) at one end close to the pulley base (121), and guide pulleys (131) positioned at two ends of the arc-shaped bending plate (130) are arranged between the two vertical plates (122); The two vertical plates (122) are provided with pin shaft seats (132) penetrating into the pin shafts (124), two ends of the pin shafts (124) are respectively fixed on the pin shaft seats (132) on the two vertical plates (122), and bearings (129) are rotationally connected between the pin shafts (124) and the pulley discs (123).
  9. 9. An underwater testing apparatus, comprising: -an underwater ballast body (200), said underwater ballast body (200) comprising a ballast weight (240) and a buoyancy tank group (250) connected to each other for sinking into the water, the top of said buoyancy tank group (250) being connected with a large swing angle heavy duty spherical hinge pulley mechanism (100) according to any one of claims 1 to 8; The pulley assembly (120) of the large-swing-angle heavy-load spherical hinge pulley mechanism (100) is wound with a traction rope (140), one end of the traction rope (140) is connected with a traction power mechanism (230), and the other end of the traction rope (140) is used for being connected with a measured self-floating model (300).
  10. 10. An underwater testing device as in claim 9 wherein: the buoyancy tank group (250) is provided with a water inlet and outlet and a gas inlet and outlet, the water inlet and outlet is connected with a water inlet and outlet valve, and the gas inlet and outlet is connected with an air compressor unit through a gas pipeline.

Description

Large-swing-angle heavy-load spherical hinge pulley mechanism and underwater test equipment Technical Field The application relates to the technical field of underwater operation test, in particular to a large-swing-angle heavy-load spherical hinge pulley mechanism and underwater test equipment. Background With the continuous penetration of the field of underwater exploration, underwater submarines, diving equipment and the like play an important role, and in order to enable the underwater submarines, the diving equipment and the like to have good operability, stability, concealment and adaptability, researchers need to test and research through reliable underwater tests. The conventional underwater vehicle or diving equipment mainly depends on self sinking and floating to realize an underwater test (such as an underwater acoustic test), and a large amount of installation and debugging work in the early stage is usually required to meet the underwater self-sinking and floating test condition, so that the test work difficulty is high, the test cost is high and the test risk is high. In order to solve the above problems, in the related art, a ballast weight is submerged in a water under test, an underwater vehicle or diving equipment is towed into the water by using the underwater ballast weight in combination with a towing rope to perform an underwater test, the underwater vehicle or diving equipment is separated from the ballast weight after the test is completed, the ballast weight remains in the water, and the underwater vehicle and diving equipment float upward to be recovered. The traction rope is in sliding connection with the ballast weight sunk into the water through the pulley block, and then the underwater vehicle or the diving equipment is towed into the water for underwater test by retracting the traction rope through the traction winch positioned on the shore. However, the angle between the traction rope and the pulley block is difficult to adaptively adjust along with the traction rope, so that the pulley block and the traction rope are worn or broken. Disclosure of Invention The embodiment of the application provides a large-swing-angle heavy-load spherical hinge pulley mechanism and underwater test equipment, which are used for solving the problems that in the process of carrying out underwater test by dragging an underwater vehicle or underwater equipment into water in the related art, the angle between a traction rope and a pulley block is difficult to adaptively adjust along with the traction rope, so that the pulley block and the traction rope are worn or broken. The first aspect of the embodiment of the application provides a large-swing-angle heavy-load spherical hinge pulley mechanism, which comprises: The ball joint assembly comprises a ball joint base and a ball joint pressing plate, the ball joint base and the ball joint pressing plate are connected with each other to form a ball socket which is rotationally connected with a ball rod, and the ball rod comprises a ball head positioned in the ball socket and a shaft rod which is connected with the ball head and extends out of the ball joint pressing plate; the pulley assembly comprises a pulley base which is rotationally connected with the shaft rod, two vertical plates which are parallel to each other and are arranged at intervals are fixedly connected to one end of the pulley base, two pulley discs are connected between the vertical plates through pin shafts in a rotating mode, the width of each vertical plate is larger than the height of each vertical plate, and the height of each vertical plate is larger than the diameter of each pulley disc. In some embodiments, the spherical hinge base and the ball head pressing plate are connected through a plurality of bolts, a lower flange plate is arranged at the bottom of the spherical hinge base, and an annular sinking groove is formed in the top of the spherical hinge base; the ball head pressing plate is of a circular structure, a central through hole extending out of the shaft lever is formed in the ball head pressing plate, and an annular boss extending into the annular sinking groove is arranged at the bottom of the ball head pressing plate. In some embodiments, the ball socket comprises a lower ball socket which is positioned at the top of the spherical hinge base and is concentric with the annular sinking groove, and an upper ball socket which is positioned at the bottom of the ball head pressing plate and is concentric with the annular boss; The ball head part is exposed out of the ball head pressing plate, a plurality of first stepped holes surrounding the periphery of the central through hole are formed in the ball head pressing plate, and a plurality of first threaded holes surrounding the periphery of the lower ball socket are formed in the ball hinge base. In some embodiments, a lower shaft seat and a lower shaft cover which are rotatably connected with the shaft are arranged