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CN-224226500-U - Adjustable windproof locking device of gantry crane

CN224226500UCN 224226500 UCN224226500 UCN 224226500UCN-224226500-U

Abstract

The utility model relates to the technical field of portal cranes and discloses an adjustable windproof locking device of a portal crane, which comprises a mounting frame, wherein an adjusting locking component is arranged on the lower surface of the mounting frame, the adjusting locking component comprises two lifting rods which are fixedly connected to the lower surface of the mounting frame, the outer parts of the lifting rods are connected with a mounting box in a sliding manner, one side of the mounting box is rotationally connected with a gear ring, the inner wall of the gear ring is provided with a thread groove, and one side of the mounting box is fixedly provided with a first stepping motor. According to the utility model, the coordinated arrangement of the adjusting locking component and the supporting component provides a multidimensional windproof locking function for the gantry crane, the contact and clamping area between the clamping plate and the rail is enlarged through the two clamping plates, the extrusion force is applied to the bottom cross beam of the gantry crane under the coordinated action of the clamping plate and the anti-skid pad, the fastening connection between the clamping plate and the rail is enhanced, and in addition, the clamping plate and the rail are rotated through the supporting rod and abutted against the ground on two sides of the rail, so that additional supporting force is provided for the device.

Inventors

  • LU YOUDE
  • ZHANG HUAIGANG
  • LIU BUGAO

Assignees

  • 无锡市协兴港口机械有限公司

Dates

Publication Date
20260512
Application Date
20250530

Claims (7)

  1. 1. An adjustable windproof locking device of a gantry crane comprises a mounting frame (1) and is characterized in that an adjusting locking component is arranged on the lower surface of the mounting frame (1); The utility model provides an adjusting and locking assembly, including two lifter (2), two lifter (2) fixed connection is at the lower surface of installing frame (1), the outside sliding connection of lifter (2) has installing box (3), one side rotation of installing box (3) is connected with ring gear (4), screw thread groove (5) have been seted up to the inner wall of ring gear (4), one side fixed mounting of installing box (3) has first step motor (6), the output fixedly connected with gear (7) of first step motor (6), the inside screw thread connection of screw thread groove (5) has screw rod (8), one end fixedly connected with splint (10) of screw rod (8), one side fixedly connected with square rod (9) of splint (10), anti-skidding groove (11) have been seted up to one side of splint (10).
  2. 2. The adjustable windproof locking device of the gantry crane according to claim 1, wherein the gear (7) is in meshed connection with the gear ring (4), the square rod (9) is in sliding connection with one side of the installation box (3), a fixed shell (12) is fixedly connected to the upper surface of the installation frame (1), a second stepping motor (13) is fixedly arranged on the upper surface of the installation frame (1), the second stepping motor (13) is arranged on one side of the fixed shell (12), and a bidirectional screw rod (14) is fixedly connected to the output end of the second stepping motor (13).
  3. 3. The adjustable windproof locking device of the gantry crane according to claim 2, wherein a telescopic frame (15) is arranged below the bidirectional screw rod (14), connecting blocks (16) are hinged to four ends of the telescopic frame (15), threaded holes (17) are formed in two connecting blocks (16), and the two connecting blocks (16) are connected to the outside of the bidirectional screw rod (14) through the threaded holes (17) in a threaded mode.
  4. 4. The adjustable windproof locking device of the gantry crane according to claim 3, wherein a pressing plate (18) is arranged below the telescopic frame (15), a first sliding groove (19) is formed in the upper surface of the pressing plate (18), the other two connecting blocks (16) are slidably connected in the first sliding groove (19), and an anti-slip pad (20) is arranged on the lower surface of the pressing plate (18).
  5. 5. The adjustable windproof locking device of the gantry crane according to claim 4, wherein the second sliding grooves (21) are respectively formed in two sides of the inside of the installation frame (1), the sliding blocks (22) are fixedly connected to two sides of the pressing plate (18), the sliding blocks (22) are slidably connected to the inside of the second sliding grooves (21), the connecting grooves (23) are formed in one side of one installation box (3), the studs (24) are fixedly connected to one side of one lifting rod (2), and the threaded sleeves (25) are connected to the external threads of the studs (24).
  6. 6. The adjustable windproof locking device of the gantry crane according to claim 1, wherein the two sides of the installation box (3) are provided with supporting components, the supporting components comprise fixing rods (26), two fixing rods (26) are fixedly connected to the two sides of the installation box (3), one end of each fixing rod (26) is rotatably connected with a rotating shaft (27), and the outside of each rotating shaft (27) is fixedly connected with a supporting rod (28).
  7. 7. The adjustable windproof locking device of the gantry crane according to claim 6, wherein one end of the rotating shaft (27) is fixedly connected with a worm wheel (29), one side of the fixed rod (26) is rotatably connected with a worm (30), one end of the worm (30) is fixedly connected with a rotating handle (31), and the worm wheel (29) is in meshed connection with the worm (30).

Description

Adjustable windproof locking device of gantry crane Technical Field The utility model relates to the technical field of gantry cranes, in particular to an adjustable windproof locking device of a gantry crane. Background The gantry crane is a large-scale hoisting device, the structure of which is similar to a door frame, and mainly comprises a beam (main beam), supporting legs, a travelling mechanism, a lifting mechanism and the like, and is usually used for lifting heavy objects in open-air sites (such as ports, goods yards, construction sites and the like), and wind power is required to be resisted during open-air operation, so that mechanical locking is required to be relied on. Through searching, the Chinese patent with the bulletin number of CN208684265U discloses a windproof fixing device for a gantry crane, and aims at solving the problems of difficult operation, consuming electricity and time and wasting manpower and material resources of the traditional fixing method, so that the problems of complex operation and time and labor consumption of the traditional fixing method of the gantry crane are solved. The device is convenient to improve the convenience of windproof operation on the gantry crane, the gantry crane is usually fixed by using the rail clamping device when the windproof operation is performed in the prior art, but the rail clamping device is only contacted with the rail by using two contact points after being installed on the gantry crane, the contact area with the raised rail is smaller, the gantry crane is still easy to generate displacement by only clamping by two points temporarily in strong wind, the gantry crane is convenient to perform windproof operation on the gantry crane, the locking effect is weak when the windproof operation is performed, and the quality of windproof locking is reduced. Disclosure of utility model The utility model aims to solve the defects in the prior art and provides an adjustable windproof locking device of a gantry crane. In order to achieve the aim, the utility model adopts the following technical scheme that the adjustable windproof locking device of the portal crane comprises a mounting frame, wherein an adjusting locking component is arranged on the lower surface of the mounting frame; The adjusting and locking assembly comprises two lifting rods, the two lifting rods are fixedly connected to the lower surface of the mounting frame, the mounting box is connected to the outer portion of the lifting rods in a sliding mode, a gear ring is connected to one side of the mounting box in a rotating mode, a thread groove is formed in the inner wall of the gear ring, a first stepping motor is fixedly mounted on one side of the mounting box, a gear is fixedly connected to the output end of the first stepping motor, a screw is connected to the inner threads of the thread groove, a clamping plate is fixedly connected to one end of the screw, a square rod is fixedly connected to one side of the clamping plate, and an anti-skid groove is formed in one side of the clamping plate. As a further description of the above technical solution: The gear is connected with the gear ring in a meshed mode, the square rod is connected to one side of the installation box in a sliding mode, the fixing shell is fixedly connected to the upper surface of the installation frame, the second stepping motor is fixedly installed on the upper surface of the installation frame and arranged on one side of the fixing shell, and the bidirectional screw rod is fixedly connected to the output end of the second stepping motor. As a further description of the above technical solution: the telescopic connecting device is characterized in that a telescopic frame is arranged below the bidirectional screw rod, connecting blocks are hinged to four end portions of the telescopic frame, threaded holes are formed in two connecting blocks, and the two connecting blocks are connected to the outer portion of the bidirectional screw rod through threaded holes. As a further description of the above technical solution: The lower part of expansion bracket is provided with the clamp plate, first spout has been seted up to the upper surface of clamp plate, and two other connecting block sliding connection is in the inside of first spout, the lower surface of clamp plate is provided with the slipmat. As a further description of the above technical solution: Second spout has been seted up respectively to the inside both sides of installing frame, the equal fixedly connected with slider in both sides of clamp plate, slider sliding connection is in the inside of second spout, one of them the spread groove has been seted up to one side of installing box, one of them one side fixedly connected with double-screw bolt of lifter, the outside threaded connection of double-screw bolt has the thread bush. As a further description of the above technical solution: The utility model discloses a mounting box, including install