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CN-224225053-U - TBM hangs platform truck structure

CN224225053UCN 224225053 UCN224225053 UCN 224225053UCN-224225053-U

Abstract

The utility model belongs to the technical field of TBM, and particularly provides a TBM suspension trolley structure which comprises at least two groups of adjacent trolleys, wherein the adjacent trolleys are hinged through the spherical hinge pull rod, each group of trolleys is provided with at least one group of travelling mechanisms, a single group of travelling mechanisms is movably connected with a heavy rail so as to drive the trolleys to displace, the single group of travelling mechanisms comprises bearing wheels and guide wheels, the bearing wheels are provided with at least one group, the single group of bearing wheels are provided with two parts which are clamped to the heavy rail, the two bearing wheels are arranged in a V shape, the guide wheels are provided with at least one group, and the single group of guide wheels are provided with two parts which are clamped to the heavy rail. The utility model adopts the spherical hinge pull rod to mutually hinge two adjacent trolleys and the travelling mechanism to carry out displacement on the heavy rail, and the bearing wheels in the travelling mechanism adopt a V-shaped inclined structure so as to be suitable for turning with small radius, and are provided with the guide wheels to prevent derailment.

Inventors

  • ZHANG ZHIJUN
  • YANG SHENPING
  • LIU XING
  • ZHOU YUYI
  • TIAN CHUNLIN

Assignees

  • 中国铁建重工集团股份有限公司

Dates

Publication Date
20260512
Application Date
20250507

Claims (10)

  1. 1. The TBM suspension trolley structure is characterized by comprising a spherical hinge pull rod (1), a trolley (2), a travelling mechanism (3) and a heavy rail (4); The trolley (2) comprises at least two groups which are adjacently arranged, and the adjacent two groups of trolleys are hinged through a spherical hinge pull rod (1); Each group of trolley (2) is provided with at least one group of travelling mechanisms (3), and a single group of travelling mechanisms (3) are movably connected with the heavy rail (4) so as to drive the trolley (2) to displace; The single-group travelling mechanism (3) comprises a bearing wheel (3.2) and a guide wheel (3.4); The bearing wheels (3.2) are provided with at least one group, the single group of bearing wheels (3.2) are provided with two bearing wheels which are clamped to the heavy rail (4), and the two bearing wheels (3.2) are arranged in a V shape; The guide wheels (3.4) are provided with at least one group, and the single group of guide wheels (3.4) are provided with two parts which are clamped and arranged on the heavy rail (4).
  2. 2. The TBM hanging trolley structure of claim 1 wherein the heavy rail (4) includes a head, web and foot sequentially disposed in a vertical direction, the head, web and foot sequentially connected to form an i-shaped rail structure.
  3. 3. The TBM suspension trolley structure of claim 2, characterized in that the travelling mechanism (3) further comprises a travelling frame (3.1) and a ball head shaft (3.3) arranged on the travelling frame (3.1); the walking frame (3.1) comprises a first vertical section, a horizontal section and a second vertical section which are sequentially connected, wherein the first vertical section, the horizontal section and the second vertical section are mutually connected to form a U-shaped structure; The bearing wheels (3.2) are provided with at least one group, the single group of bearing wheels (3.2) are provided with two bearing wheels respectively arranged on the first vertical section and the second vertical section, and the two bearing wheels (3.2) are oppositely arranged so as to be in a clamping state on the heavy rail (4); The ball head shaft (3.3) is arranged on the horizontal section and is used for being connected with the trolley (2); The guide wheels (3.4) are provided with at least one group, the single group of guide wheels (3.4) are provided with two guide wheels which are respectively arranged on the first vertical section and the second vertical section, and the two guide wheels (3.4) are respectively connected with the heavy rail (4) in a contact mode so as to guide the trolley (2) during displacement.
  4. 4. A TBM suspension trolley structure according to claim 3, characterized in that the central axes of the single group of bearing wheels (3.2) are arranged at an included angle with each other, the single group of bearing wheels (3.2) are arranged at the web of the heavy rail (4), and the outer arc surfaces of the bearing wheels (3.2) are connected with the end surfaces of the web and the rail head in a contact manner.
  5. 5. A TBM suspension trolley construction according to claim 4, characterized in that the centre bearings of the single set of carrier wheels (3.2) are arranged at an angle of 10 ° -30 ° to each other.
  6. 6. A TBM suspension trolley structure according to claim 3, characterized in that the central axis of the guide wheel (3.4) is arranged in the vertical direction, and the outer arc surface of the guide wheel (3.4) is in contact connection with the rail head.
  7. 7. A TBM suspension trolley structure according to claim 3, characterized in that the ball axle (3.3) comprises a first connection part and a second connection part which are connected to each other, the first connection part and the second connection part being fixedly connected to each other by means of welding; The first connecting part is connected with a horizontal section in the walking frame (3.1), and the second connecting part is fixedly connected with the trolley (2).
  8. 8. A TBM suspension trolley structure according to claim 3, characterized in that mounting holes for movable connection with the first connection part of the ball head shaft (3.3) are provided on the running frame (3.1); The first connecting part of the ball head shaft (3.3) comprises a first cylindrical section, a hemispherical section and a second cylindrical section which are sequentially connected in the vertical direction, wherein the diameters of the first cylindrical section and the second cylindrical section are larger than those of the mounting hole and the second cylindrical section, the diameter of the second cylindrical section is smaller than that of the mounting hole, and the mounting hole is in multipoint contact with the hemispherical section.
  9. 9. The TBM suspension trolley structure of any of claims 1-8, characterized in that the spherical hinge tie rod (1) comprises a ball head (1.1) and a connecting piece (1.3); The ball head (1.1) is provided with two mutually spaced parts, and the two ball heads (1.1) are mutually connected through the connecting piece (1.3).
  10. 10. The TBM hanging trolley structure according to claim 9, wherein the ball head (1.1) and the connecting piece (1.3) are fixedly connected in a welding manner, a reinforcing sleeve (1.2) is sleeved at the joint of the ball head (1.1) and the connecting piece (1.3), and the reinforcing sleeve (1.2) and the ball head (1.1) and the reinforcing sleeve (1.2) and the connecting piece (1.3) are fixedly connected in a welding manner.

Description

TBM hangs platform truck structure Technical Field The utility model belongs to the technical field of TBM, and relates to a TBM suspension trolley structure. Background The monorail crane is gradually applied to the transportation of a TBM rear supporting system due to the advantages of high transportation efficiency, convenience in transportation, simple structure and the like. Along with the continuous expansion of TBM application scenes, the TBM turning radius requirement is very small in certain scenes such as pumped storage power stations according to construction requirements. For monorail crane transportation, the trolley is not easy to pass when turning with small radius, and the common travelling mechanism is easier to clamp. The existing trolley connecting mode and travelling mechanism cannot be well suitable for TBM small-radius turning, and the problem of derailment and clamping easily occurs. Disclosure of utility model The TBM monorail crane aims at solving the problems that the connection parts of different trolleys cannot smoothly pass through when the TBM monorail crane turns in ultra-small radius, a common travelling mechanism cannot adapt to small turning radius, derailment is easy and the like in the prior art. The TBM hanging trolley structure provided by the utility model is simple in structure, convenient and practical, and can realize smooth turning and normal operation of the hanging trolley. The utility model provides a TBM suspension trolley structure, which comprises a spherical hinge pull rod, a trolley, a travelling mechanism and a heavy rail; The trolleys comprise at least two groups which are adjacently arranged, and the adjacent two groups of trolleys are hinged through a spherical hinge pull rod; At least one group of travelling mechanisms are arranged on each group of trolley, and a single group of travelling mechanisms are movably connected with the heavy rail so as to drive the trolley to displace; The single-group travelling mechanism comprises a bearing wheel and a guide wheel; The bearing wheels are provided with at least one group, the single group of bearing wheels are provided with two bearing wheels which are clamped to the heavy rail, and the two bearing wheels are arranged in a V shape; The guide wheels are provided with at least one group, and the single group of guide wheels are provided with two parts which are clamped and arranged on the heavy rail. Further, the heavy rail comprises a rail head, a rail web and a rail bottom which are sequentially arranged along the vertical direction, and the rail head, the rail web and the rail bottom are sequentially connected to form an I-shaped steel rail structure. Further, the travelling mechanism comprises a travelling frame and a ball head shaft arranged on the travelling frame; The walking frame comprises a first vertical section, a horizontal section and a second vertical section which are sequentially connected, wherein the first vertical section, the horizontal section and the second vertical section are mutually connected to form a U-shaped structure; The bearing wheels are provided with at least one group, and the single group of bearing wheels are provided with two bearing wheels which are respectively arranged on the first vertical section and the second vertical section, and the two bearing wheels are oppositely arranged so as to form a clamping state on the counterweight rail; the ball head shaft is arranged on the horizontal section and is used for being connected with the trolley; The guide wheels are provided with at least one group, the single group of guide wheels are provided with two guide wheels which are respectively arranged on the first vertical section and the second vertical section, and the two guide wheels are respectively connected with the heavy rail in a contact mode so as to guide the trolley when the trolley is displaced. Further, the central axes of the bearing wheels of a single group are arranged at an included angle, the bearing wheels of a single group are arranged at the rail web of the heavy rail, and the outer arc surfaces of the bearing wheels are connected with the end surfaces of the rail web and the rail head in a contact mode. Further, the central bearings of the single set of carrier wheels are set at an angle of 10 ° -30 ° relative to each other. Further, the central axis of the guide wheel is arranged along the vertical direction, and the outer arc surface of the guide wheel is connected with the rail head in a contact mode. Further, the ball head shaft comprises a first connecting part and a second connecting part which are connected with each other, and the first connecting part and the second connecting part are fixedly connected with each other in a welding mode; The first connecting part is connected with the horizontal section in the walking frame, and the second connecting part is fixedly connected with the trolley. Further, the walking frame is provided with a mo