Search

CN-122010006-A - Port self-discharging equipment maintenance device

CN122010006ACN 122010006 ACN122010006 ACN 122010006ACN-122010006-A

Abstract

The invention discloses a port self-unloading equipment maintenance device which comprises at least four supporting bases, a bearing base and a movable wheel set. The adjacent supporting bases are connected through adjustable connecting rods, an unloading jacking device is arranged on the bearing base, and the moving wheel set is provided with a self-locking brake so as to be convenient to move and lock in place. The lower end of the supporting base is provided with a fixed positioning plate, the side surface of the positioning plate is provided with a supporting piece, and the supporting base is internally provided with a telescopic piece and drives the supporting piece to be unfolded or folded through a connecting piece. The support piece is composed of a bearing plate, a stretching plate and supporting legs, torsion springs are arranged between the supporting legs and the stretching plate and can rotate in a preset angle range, and the connecting piece is matched with the limiting and clamping structure to realize in-place unfolding locking. The device has strong adaptability and high stability, and is suitable for the jacking maintenance of port self-discharging equipment.

Inventors

  • LIU XIANGQIN
  • LI WEI
  • Gan Liyou
  • Huang Xueduo
  • ZHANG JIAZHONG
  • LIN TONGJING
  • MIAO QUANLONG
  • Zhang Bengyuan
  • SUN SHUFENG
  • ZHENG YULEI
  • YU XINGCHENG
  • LIU ZHI
  • SUN GUANGPENG

Assignees

  • 龙口港集团有限公司

Dates

Publication Date
20260512
Application Date
20260330

Claims (9)

  1. 1. The utility model provides a harbour self-discharging equipment maintenance device, includes four at least support base (1), sets up respectively in the load-bearing base (2) and the removal wheelset (3) of each support base (1) upper end, its characterized in that: the adjacent support bases (1) are connected through adjustable connecting rods, the bearing base (2) is arranged at the upper end corresponding to the support base (1), and an unloading jacking device (4) is arranged at the upper end of the bearing base (2); The movable wheel sets (3) are arranged below the corresponding support bases (1); The fixing and positioning device is characterized in that a fixing and positioning plate (5) is arranged at the lower end of each supporting base (1), at least one supporting piece (6) is arranged on the side face of each fixing and positioning plate (5), a telescopic piece (7) is arranged in each supporting base (1), each telescopic piece (7) is connected with each supporting piece (6) through a connecting piece (8), each connecting piece (8) comprises a first pull rod (72) and a second pull rod (73), a limiting support (74) is arranged at the lower end of each first pull rod (72), each limiting support (74) and each second pull rod (73) are provided with a matched clamping structure, and joint limiting is formed when an included angle between each first pull rod (72) and each second pull rod (73) is 180 degrees.
  2. 2. The port dump equipment maintenance device according to claim 1, wherein the support member (6) comprises a carrying plate (61), a tension plate (62) rotatably mounted at an end of the carrying plate (61), and a support leg (63) rotatably mounted at an end of the tension plate (62); The bearing plates (61) are fixedly arranged at the lower parts of the side surfaces of the fixed positioning plates (5) at the lower end of the supporting base (1), three bearing plates (61) are arranged on the side surfaces of each fixed positioning plate (5), and the three bearing plates (61) respectively form three supporting pieces (6); the connection part of the supporting leg (63) and the stretching plate (62) is provided with a torsion spring.
  3. 3. The port dump maintenance device according to claim 2, wherein the support leg (63) and the tension plate (62) are rotated by 30 to 90 degrees.
  4. 4. The port dump maintenance device according to claim 1, characterized in that the connection (8) comprises a lifting ring (71) slidingly connected to the support base (1), a first pull rod (72) rotatably connected to the lifting ring (71) and a second pull rod (73) rotatably connected to the first pull rod (72); the second pull rod (73) is rotatably connected with the upper end of the stretching plate (62).
  5. 5. The port self-discharging equipment maintenance device according to claim 4, wherein a limiting bracket (74) is fixedly arranged at the lower end of the first pull rod (72), a limiting rod (75) is rotatably connected to the lower end of the limiting bracket (74), a pulley (76) is rotatably connected to the lower end of the limiting rod (75), and a sliding groove (77) is formed in the upper end of the supporting base (1); the pulley (76) is positioned in the chute (77) and can roll along the chute (77).
  6. 6. The port dump equipment maintenance device according to claim 5, wherein the cross section of the limiting bracket (74) is triangular, and when the included angle between the first pull rod (72) and the second pull rod (73) is smaller than 180 degrees, the side edge of the top end of the limiting bracket (74) is separated from the second pull rod (73); When the included angle between the first pull rod (72) and the second pull rod (73) is 180 degrees, the side edge of the top end of the limiting support (74) is attached to the lower end of the second pull rod (73).
  7. 7. The port self-discharging equipment maintenance device according to claim 6, wherein the upper end of the limiting bracket (74) is connected with a fitting bump (78), and the lower end of the second pull rod (73) is provided with a fitting groove (79); the fitting groove (79) is clamped with the fitting convex block (78).
  8. 8. The port self-unloading equipment maintenance device according to claim 7, wherein the telescopic piece (7) comprises a pneumatic telescopic cylinder (81) arranged in the supporting base (1), the output end of the pneumatic telescopic cylinder (81) is connected with three telescopic rods (82), and the lower end of each telescopic rod (82) is provided with a connecting sliding block (83); the side of the supporting base (1) is provided with a guide groove (84) for accommodating the connecting sliding block (83), the telescopic rod (82) penetrates through the guide groove (84), and the connecting sliding block (83) is fixedly connected with the inner side of the lifting ring (71).
  9. 9. The port self-discharging equipment maintenance device according to claim 8, wherein the moving wheel set (3) is provided with a self-locking brake.

Description

Port self-discharging equipment maintenance device Technical Field The invention relates to the technical field of port self-discharging equipment maintenance, in particular to a port self-discharging equipment maintenance device. Background After long-term high-load operation, port dump equipment (such as port dumper) is required to overhaul and maintain a chassis, a wheel set, a suspension and related structural members. In order to obtain working space and ensure personnel and equipment safety, the self-discharging equipment is usually required to be lifted and unloaded by means of lifting/jacking equipment during maintenance, and stable support and reliable limit are maintained in the lifting process. For example, the utility model with publication number CN219620785U discloses a "port dumper maintenance auxiliary lifting device", which realizes lifting through lifting of a supporting table, and is provided with a slope for facilitating a vehicle to drive into the top of the supporting table, and a limit groove is arranged at the top of the supporting table to limit a tire so as to reduce slipping, and a telescopic rod and an interception rod are arranged at the same time for supporting the lower part of the supporting table after the supporting table is lifted. The scheme needs that the vehicle drives into the top of the supporting table through a slope and then is limited and lifted, so that the scheme depends on the site space, the slope arrangement condition and the equipment driving-in path, and when the port maintenance site space is limited or equipment is difficult to drive in according to a specified route, the positioning and the use of the device can be influenced. In addition, the scheme takes the supporting table as a main bearing lifting structure, the arrangement of supporting points is biased to the platform type bearing, and when facing to maintenance working conditions of port self-unloading equipment of different types, distribution of different stress points or multi-point cooperative stable bearing, the problem of limited rapid adjustment and multi-point matching of the positions of the supporting points exists. Therefore, a port self-unloading equipment maintenance device which can be conveniently and rapidly positioned under the condition of not depending on a vehicle driving-in platform and can realize flexible arrangement of multiple supporting points and stable supporting/limiting is needed to meet the requirements of port site maintenance operation on adaptability and safety. Disclosure of Invention The invention aims to solve the technical problems that in the prior art, the positioning is limited by a site and a path, and the stable support and the reliable limit are insufficient in the jacking process, and the like, and provides a port self-discharging equipment maintenance device. In order to achieve the above purpose, the present invention adopts the following technical scheme: A port self-unloading equipment maintenance device comprises at least four support bases, bearing bases and movable wheel sets, wherein the bearing bases and the movable wheel sets are respectively arranged at the upper ends of the support bases, the adjacent support bases are connected through adjustable connecting rods, the bearing bases are arranged at the upper ends of the corresponding support bases, an unloading jacking device is arranged at the upper ends of the bearing bases, the movable wheel sets are arranged below the corresponding support bases, a fixed positioning plate is arranged at the lower ends of the support bases, at least one support piece is arranged on the side face of the fixed positioning plate, a telescopic piece is arranged in each support base and connected with each support piece through a connecting piece, each connecting piece comprises a first pull rod and a second pull rod, a limiting support is arranged at the lower end of each first pull rod, a matched clamping structure is arranged between each limiting support and each second pull rod, and a joint limit is formed when an included angle between each first pull rod and each second pull rod is 180 degrees. The support piece comprises a bearing plate, a stretching plate rotatably mounted at the end part of the bearing plate and support legs rotatably mounted at the end part of the stretching plate, wherein the bearing plate is fixedly mounted at the lower part of the side surface of a fixed positioning plate at the lower end of a support base, three bearing plates are arranged on the side surface of each fixed positioning plate, the three bearing plates respectively form three support pieces, and torsion springs are arranged at the joints of the support legs and the stretching plate. Preferably, the support leg and the stretching plate are rotated by 30 ° to 90 °. Preferably, the connecting piece comprises a lifting ring, a first pull rod and a second pull rod, wherein the lifting ring is connected to the supporting