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CN-224214480-U - High-strength oil cylinder housing lifting lug structure for dumper

CN224214480UCN 224214480 UCN224214480 UCN 224214480UCN-224214480-U

Abstract

The utility model discloses a high-strength oil cylinder outer cover lifting lug structure for a dumper, which comprises an oil cylinder body and a plurality of half shells, wherein the oil cylinder body and the half shells are mutually spliced and combined to form an outer cover, the outer cover is sleeved at one end of the oil cylinder body, connecting seats are respectively arranged on one end surface, far away from the oil cylinder body, of each half shell, lifting lugs are formed by combining the connecting seats, shaft holes are respectively arranged at the center of each connecting seat, the shaft holes are oppositely arranged, and an inner bushing is inserted into each shaft hole. The lifting lug and the oil cylinder body are arranged in a split mode, the lifting lug and the oil cylinder body can be detached, the stability after installation is improved through the positioning ring, the limiting part and the inserting part, the inner bush is arranged in the shaft hole, abrasion to the connecting seats is counteracted through the inner bush, the connection stability between the connecting seats is improved through the inner bush, and the replacement rate of the lifting lug is reduced through the mode of replacing the inner bush.

Inventors

  • LIANG FUSHENG
  • ZHANG JIANPING
  • LIANG BIN

Assignees

  • 十堰福星汽车部件有限公司

Dates

Publication Date
20260508
Application Date
20250528

Claims (6)

  1. 1. The high-strength oil cylinder outer cover lifting lug structure for the dumper is characterized by comprising an oil cylinder body (1) and a plurality of half shells (2) for the dumper, wherein the half shells (2) are mutually spliced and combined to form an outer cover, the outer cover is sleeved at one end of the oil cylinder body (1), a connecting seat (5) is arranged on one end surface, far away from the oil cylinder body (1), of each half shell (2), lifting lugs are formed by combining the connecting seats (5), shaft holes are formed in the center of each connecting seat (5), the shaft holes are oppositely arranged, and an inner bushing (6) is inserted into each shaft hole.
  2. 2. The high-strength oil cylinder housing lifting lug structure for the dumper according to claim 1 is characterized in that arc grooves are formed in the inner side face of the half shell (2), positioning grooves (13) of annular structures are formed by combining adjacent arc grooves, positioning rings (10) are arranged on the outer wall face of the oil cylinder body (1) opposite to the positions of the positioning grooves (13), the positioning rings (10) are inserted into the positioning grooves (13), a plurality of limiting grooves (12) are formed in one end, located inside the housing, of the oil cylinder, limiting parts (14) are formed by protruding the inner side face of the half shell (2) right opposite to the positions of the limiting grooves (12), and the limiting parts (14) are inserted into the limiting grooves (12).
  3. 3. The high-strength oil cylinder housing lifting lug structure for the dumper according to claim 1 is characterized in that two sides of the half shell (2) are protruded to form connecting parts (3), the adjacent connecting parts (3) are arranged in a fitting mode, a plurality of fixing holes are formed in the connecting parts (3), first bolts (4) are inserted into the opposite fixing holes, and nuts for inwards compressing the adjacent connecting parts (3) and the half shell (2) are connected to one ends of the first bolts (4) in a threaded mode.
  4. 4. The high-strength cylinder housing lifting lug structure for the dumper according to claim 1 is characterized in that a plurality of slots (11) are formed in the half shell (2) and the connecting seat (5) on one side, the half shell (2) and the connecting seat (5) on the other side are opposite to the slots (11) and are protruded to form inserting parts, and the inserting parts are inserted into the slots (11).
  5. 5. The high-strength cylinder housing lifting lug structure for the dumper according to claim 1, wherein counter bores (7) communicated with the shaft holes are formed in the side faces of the connecting seat (5), screw holes (9) are formed in positions, opposite to the counter bores (7), of the outer ring face of the inner bushing (6), and second bolts (8) for fixing the inner bushing (6) are connected in the counter bores (7) and the screw holes (9) in a threaded mode.
  6. 6. The high-strength cylinder housing lifting lug structure for dumper according to claim 1, wherein the inner diameter of the housing is matched with the diameter of a cylinder barrel on the cylinder.

Description

High-strength oil cylinder housing lifting lug structure for dumper Technical Field The utility model relates to the technical field of oil cylinders, in particular to a high-strength oil cylinder housing lifting lug structure for a dumper. Background The lifting cylinder (the cylinder for lifting the hopper) of the dump truck is a core execution part of a hydraulic system and is responsible for providing power to incline the hopper to finish unloading. At present, the oil cylinder is connected with a fixing frame on the frame through the lifting lug, but the structure of the lifting lug is simple at present, the lifting lug is generally and directly arranged with the oil cylinder integrally, and the lifting lug is easy to wear or break after long-time use, so that the whole oil cylinder can be replaced, and the cost and the material waste are caused. Disclosure of utility model The utility model aims to solve the technical problem of providing a high-strength oil cylinder outer cover lifting lug structure for a dumper, wherein the lifting lug and an oil cylinder body are arranged in a split mode, so that replacement is convenient, and the problem in the background technology is solved. The utility model is realized by the following technical scheme that the high-strength oil cylinder outer cover lifting lug structure for the dumper comprises an oil cylinder body and a plurality of half shells, wherein the oil cylinder body and the half shells are used for the dumper, the half shells are mutually spliced and combined to form an outer cover, the outer cover is sleeved at one end of the oil cylinder body, connecting seats are arranged on one end surface, far away from the oil cylinder body, of each half shell, the connecting seats are combined to form lifting lugs, shaft holes are formed in the centers of the connecting seats, the shaft holes are oppositely arranged, and an inner bushing is inserted into each shaft hole. As the preferable technical scheme, all be equipped with the arc wall on the medial surface of half shell, adjacent arc wall all makes up the constant head tank that forms annular structure, and the outer wall of hydro-cylinder body just is to all installing the holding ring in constant head tank department, and the holding ring all inserts in the constant head tank, is equipped with a plurality of spacing grooves on the one end that the hydro-cylinder is located the dustcoat inside, and the medial surface of half shell just forms spacing portion to the equal protrusion of spacing groove department, and spacing portion all inserts in the spacing groove. As the preferred technical scheme, the both sides of half shell all bulge and form connecting portion, all laminate the setting between the adjacent connecting portion, all be equipped with a plurality of fixed orificess on the connecting portion, all inserted first bolt in the relative fixed orificess, the equal threaded connection of one end of first bolt has the nut that inwards compresses tightly adjacent connecting portion and half shell. As the preferable technical scheme, a plurality of slots are arranged on the half shell and the connecting seat on one side, the half shell and the connecting seat on the other side are just protruded to the slots to form inserting parts, and the inserting parts are inserted into the slots. As the preferred technical scheme, all be equipped with the counter bore with shaft hole intercommunication on the side of connecting seat, the outer lane face of inner liner just is equipped with the screw hole to counter bore department, and equal threaded connection has the second bolt with the inner liner is fixed in relative counter bore and the screw hole. As a preferable technical scheme, the inner diameter of the outer cover is matched with the diameter of the cylinder barrel on the oil cylinder. The oil cylinder has the advantages that the structure is simple, the lifting lug is fixed on the oil cylinder body through the outer cover, the lifting lug and the oil cylinder body are arranged in a split mode, the lifting lug and the oil cylinder body can be disassembled, the stability after installation is improved through the locating ring, the limiting part and the inserting part, the inner bush is arranged in the shaft hole, the abrasion to the connecting seats is counteracted through the inner bush, the connection stability between the connecting seats is improved through the inner bush, and the replacement rate of the lifting lug is reduced through the replacement of the inner bush. Drawings In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without invent