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CN-224201048-U - Small-sized S-shaped bridge type drag chain with inner opening

CN224201048UCN 224201048 UCN224201048 UCN 224201048UCN-224201048-U

Abstract

The utility model discloses a small inner side S-shaped bridge type drag chain, which belongs to the technical field of drag chains and comprises a plurality of link main bodies, a first connector and a second connector at two ends, wherein adjacent link main bodies are rotationally connected and can drive the drag chain to bend in the up-down direction, each link main body comprises two chain plates and the upper middle part and the lower middle part of each link main body are connected through a first cross beam and a second cross beam, the second cross beam is in an integrated structure with the two chain plates at two sides, the first cross beam and the two chain plates at two sides are detachably connected, cables, oil pipes, air pipes, water pipes and the like can be quickly installed or maintained without threading, the maintenance process is greatly simplified, the inner cavity of the drag chain is separated by a partition plate between the first cross beam and the second cross beam, the cable is helped to keep a stable movement track in the stretching or bending process of the drag chain, the transverse swing of the cable is reduced, and the abrasion and fatigue fracture risk caused by disordered movement is reduced. The utility model has compact structure and small volume, is suitable for small equipment with limited space, and has high rigidity so as to meet the requirement of basic load.

Inventors

  • SUN XIANGYANG

Assignees

  • 东莞市圣达机械科技有限公司

Dates

Publication Date
20260505
Application Date
20250526

Claims (10)

  1. 1. A small inner side S-shaped bridge type drag chain is characterized by comprising a plurality of link main bodies and connectors I and II at two ends of the link main bodies, wherein the link main bodies are connected in a head-to-tail rotation mode and used for driving the drag chain to bend in the upper and lower directions, the connectors I and II are respectively connected with the link main bodies at two ends of the drag chain in a rotation mode, the link main bodies comprise two opposite and parallel chain plates, the middle parts of the upper long side and the lower long side of the chain plates at two sides are respectively connected through a beam I and a beam II, the two ends of the beam I are detachably connected with the chain plates, the beam II and the chain plates at two sides are of an integrated structure, a movable partition plate is arranged between the beam I and the beam II and used for dividing an inner cavity of the drag chain into a plurality of cavities, and two ends of the partition plate are detachably connected with the beam I and the beam II respectively.
  2. 2. The small-sized inner side open S-shaped bridge type drag chain as claimed in claim 1, wherein one end of the first cross beam is rotatably connected with a fixed shaft at the middle part of the edge of one side chain plate, and the other end of the first cross beam is in clamping fit with the middle part of the edge of the other side chain plate.
  3. 3. The small-sized inner side S-shaped bridge type drag chain is characterized in that the middle parts of the edges of two side chain plates are respectively provided with a mounting groove, a fixed shaft is arranged in the mounting groove in the middle of one side chain plate, a gap is formed between the fixed shaft and the bottom of the mounting groove, one end of a first cross beam is provided with a sleeve matched with the fixed shaft, the sleeve is of a semi-surrounding structure with a notch, the notch of the sleeve faces to the outer side, the solid part of the sleeve is arranged in the gap between the fixed shaft and the mounting groove, the bottom of the mounting groove in the middle of the edge of the other side chain plate is provided with a protruding tongue, and the other end of the first cross beam is provided with a claw matched with the protruding tongue.
  4. 4. The small-sized inner side S-shaped bridge type drag chain is characterized in that the protruding tongue is arranged in the middle of the mounting groove, the protruding tongue is of a special-shaped structure with two protruding sides at the upper end, the inner side of the upper end of the protruding tongue is an arc surface, the outer side of the upper end of the protruding tongue is a clamping head matched with the clamping jaw, the clamping head is of a right trapezoid structure, the top of the clamping head is an inclined downward guide inclined surface, the root of the inner side of the clamping jaw is an inner arc surface matched with the arc surface of the protruding tongue, and the tail end of the clamping jaw is provided with a barb for being matched with the clamping head at the outer side of the protruding tongue.
  5. 5. The small-sized inner side open S-shaped bridge type drag chain as claimed in claim 3, wherein the two sides of the root parts of the sleeve and the claw are respectively provided with a convex edge, one side of the edge is attached to the inner wall of the chain plate, and the other side of the edge is in arc transition with the two side edges of the first cross beam.
  6. 6. The small-sized inner side S-shaped bridge type drag chain disclosed by claim 1 is characterized in that a plurality of partition boards are arranged parallel to two side chain plates, each partition board comprises a vertical plate and supporting tables at two ends of the vertical plate, the supporting tables at two ends are respectively attached to the inner side faces of a first beam and a second beam, C-shaped buckles matched with the first beam and the second beam are respectively arranged at two ends of each supporting table, a convex block is arranged in the middle of the inner side of each C-shaped buckle, and a plurality of clamping grooves matched with the convex blocks are respectively arranged at the edges of two sides of the first beam and the second beam.
  7. 7. The small-sized inner side open S-shaped bridge type drag chain is characterized in that chain plates of a plurality of chain link main bodies are in running fit through a connecting structure, the first joint and the second joint are respectively in running fit with the chain plates at two ends of the drag chain through the connecting structure, the connecting structure comprises a rotating shaft and a positioning hole in running fit with the rotating shaft, and the edges at two ends of the chain plates and the edges of connecting plates of the first joint and the second joint are arc-shaped; The rotating shaft is arranged at one end of the chain plate and the outer side of the connecting plate of the joint I and is positioned at the circle center position of the circular arc edge, and the positioning hole is arranged at the other end of the chain plate and the circle center position of the circular arc edge of the connecting plate of the joint II; The sinking platform is characterized in that the rotating shaft is arranged in the middle of a sinking platform outside the end part of the chain plate, a fan-shaped limiting groove I is arranged at the outer side edge of the sinking platform, the upper end and the lower end of the limiting groove I extend to the upper side and the lower side of the central line of the end part of the chain plate respectively, a limiting block I is radially arranged on the arc-shaped side wall of the sinking platform, the limiting block I is arranged in the middle of the side wall of the sinking platform, a sinking groove is arranged on the inner wall of the chain plate of the positioning Kong Lice, a fan-shaped limiting groove II is arranged at the inner side of the end part edge of the sinking groove, the upper end and the lower end of the limiting groove II extend to the upper side and the lower side of the central line of the end part of the chain plate respectively, and the limiting groove II is matched with the limiting block I of the end part of the adjacent chain plate; The connecting plate end edge of the connector I is provided with two clamping grooves I with 90-degree included angles, the clamping grooves I can be matched with the limiting block II and are arranged on the outer side of the connecting plate, the two clamping grooves I are arranged towards the inner side of the drag chain bending, the connecting plate end edge of the connector II is provided with two clamping grooves II with 90-degree included angles, the clamping grooves II can be matched with the limiting block I and are arranged on the inner side of the connecting plate, and the two clamping grooves II are arranged towards the inner side of the drag chain bending.
  8. 8. The small-sized S-shaped bridge drag chain with the inner opening of claim 1, wherein the tail ends of the middle plates of the first joint and the second joint are respectively provided with a row of comb teeth, and adjacent comb teeth are parallel and parallel to the connecting plates at two sides.
  9. 9. A small inside open S-bridge drag chain as in any of claims 1-8, wherein said link body, joint one and joint two are all injection molded from engineering plastic.
  10. 10. The small-sized inner side-opening S-shaped bridge type drag chain disclosed by claim 9 is characterized in that the middle plates of the first joint and the second joint and the partition plate are respectively provided with a weight reducing hole, the weight reducing holes on the partition plate are arranged close to one side of the inner part of the drag chain, and the outer side of the middle part of the chain plate is provided with a weight reducing groove.

Description

Small-sized S-shaped bridge type drag chain with inner opening Technical Field The utility model belongs to the technical field of drag chains, and particularly relates to a small-sized inner side opening S-shaped bridge drag chain. Background Drag chains are commonly used in mechanical equipment for protecting various pipelines such as cables, oil pipes, air pipes and the like, and can meet different movement requirements of the equipment. At present, the existing drag chain has the defects of heavy structure, large volume, complicated assembly, disassembly and maintenance, and incapacity of being applied to equipment with limited space, and meanwhile, the cables in the drag chain are arranged in an unordered way, and the drag chain can cause mutual abrasion and fatigue fracture of the cables in the long-time movement process. Disclosure of utility model In order to solve the problems, the utility model provides a small-sized inner side opening S-shaped bridge type drag chain. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the small inner side S-shaped bridge type drag chain comprises a plurality of first link main bodies and second link main bodies at two ends of the first link main bodies, wherein the first link main bodies and the second link main bodies are sequentially connected in a head-to-tail mode and used for driving the drag chain to bend in the upper and lower directions, the first link main bodies and the second link main bodies are respectively connected with the link main bodies at two ends of the drag chain in a rotating mode, the link main bodies comprise two opposite and parallel chain plates, the middle parts of the upper long sides and the lower long sides of the two side chain plates are respectively connected through a first cross beam and a second cross beam, the two ends of the first cross beam are detachably connected with the chain plates, the second cross beam and the two side chain plates are of an integrated structure, a movable partition plate is arranged between the first cross beam and the second cross beam and used for dividing an inner cavity of the drag chain into a plurality of cavities, and the two ends of the partition plate are detachably connected with the first cross beam and the second cross beam. Further, one end of the first cross beam is rotationally connected with a fixed shaft at the middle part of the edge of the chain plate on one side, and the other end of the first cross beam is in clamping fit with the middle part of the edge of the chain plate on the other side. Further, the middle parts of the edges of the two side chain plates are respectively provided with a mounting groove, the fixing shaft is arranged in the mounting groove in the middle of one side chain plate, a gap is formed between the fixing shaft and the bottom of the mounting groove, one end of the first cross beam is provided with a sleeve matched with the fixing shaft, the sleeve is of a semi-surrounding structure with a notch, the notch of the sleeve faces to the outer side, the solid part of the sleeve is arranged in the gap between the fixing shaft and the mounting groove, the bottom of the mounting groove in the middle of the edge of the other side chain plate is provided with a protruding tongue, the other end of the first cross beam is provided with a claw matched with the protruding tongue, and the outer side surfaces of the sleeve and the claw are plane and are flush with the outer side surface of the chain plate. Further, the protruding tongue is arranged in the middle of the mounting groove, the protruding tongue is of a special-shaped structure with two protruding sides at the upper end, the inner side of the upper end of the protruding tongue is an arc surface, the outer side of the protruding tongue is a clamping head matched with the clamping jaw, the clamping head is of a right trapezoid structure, the top of the clamping head is a downward inclined guiding inclined surface, the root of the inner side of the clamping jaw is an inner arc surface matched with the arc surface of the protruding tongue, and the tail end of the clamping jaw is provided with a barb and is used for being matched with the clamping head at the outer side of the protruding tongue. Further, protruding edge eaves are arranged on two sides of the root parts of the sleeve and the clamping jaw, one side of the edge eaves is attached to the inner wall of the chain plate, and the other side of the edge eaves is in arc transition with two side edges of the first cross beam. Furthermore, the partition plate is provided with a plurality of support tables parallel to two side chain plates, the partition plate comprises a vertical plate and support tables at two ends of the vertical plate, the support tables at two ends are respectively attached to the inner side surfaces of the first beam and the second beam, C-shaped buckles matched with the first beam and