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CN-224198500-U - Slag discharging belt conveyor of girder type TBM

CN224198500UCN 224198500 UCN224198500 UCN 224198500UCN-224198500-U

Abstract

The utility model relates to a slag-tapping belt conveyor of a girder type TBM, which comprises a belt frame, a belt supporting mechanism, a driving mechanism, an anti-deviation mechanism and a detection mechanism, wherein the belt supporting mechanism comprises a machine head roller, a machine tail roller and a carrier roller set, the machine head roller and the machine tail roller are respectively arranged at two ends of the belt frame in a rotating mode, a plurality of groups of carrier roller sets are arranged on the belt frame between the machine head roller and the machine tail roller at intervals, a conveying belt is wound between the machine head roller, the machine tail roller and the carrier roller set, one end of the belt frame is provided with the driving mechanism, the driving mechanism is connected with the machine head roller, the anti-deviation mechanism comprises a mounting frame arranged at two sides of the belt frame and anti-deviation rollers arranged on the mounting frame, the two anti-deviation rollers are matched with each other to clamp the conveying belt, and the detection mechanism comprises a speed detection unit and a tearing detection unit. The utility model can effectively restrict the conveying belt, prevent the conveying belt from shifting, monitor the running state of the conveying belt, and timely find and treat potential problems.

Inventors

  • HAO YACHONG
  • WU JIAYI
  • ZHANG WEIHUA
  • ZHANG PENGBO
  • HE ZHIMIN
  • HUANG YONGHONG
  • XU CHAOCHAO

Assignees

  • 中铁工程装备集团盾构制造有限公司

Dates

Publication Date
20260505
Application Date
20250509

Claims (8)

  1. 1. The slag discharging belt conveyor of the girder type TBM is characterized by comprising a belt frame (1), a belt supporting mechanism, a driving mechanism (2), an anti-deviation mechanism (3) and a detection mechanism; The belt supporting mechanism comprises a machine head roller (8), a machine tail roller (9) and carrier roller groups (10), wherein the machine head roller (8) and the machine tail roller (9) are respectively and rotatably arranged at two ends of the belt frame (1), a plurality of groups of the carrier roller groups (10) which are arranged at intervals are arranged on the belt frame (1) between the machine head roller (8) and the machine tail roller (9), and a conveying belt (25) is wound between the machine head roller (8), the machine tail roller (9) and the carrier roller groups (10); One end of the belt frame (1) is provided with the driving mechanism (2), and the driving mechanism (2) is connected with the machine head roller (8); the deviation preventing mechanism (3) comprises mounting frames (4) symmetrically arranged on two sides of the belt frame (1) and deviation preventing rollers (5) arranged on the mounting frames (4), and the two deviation preventing rollers (5) are matched with and clamp the conveying belt (25); The detection mechanism comprises a speed detection unit (6) and a tearing detection unit (7) which are respectively arranged at two sides of the belt frame (1).
  2. 2. The slag tapping belt conveyor of the girder type TBM according to claim 1, wherein the belt frame (1) is a steel structure frame, one end of the belt frame (1) is provided with a rectangular machine head support (11), the machine head support (11) is rotationally connected with the machine head roller (8) through a bearing seat, the machine head support (11) is further provided with the driving mechanism (2), and the driving mechanism (2) is a gear motor.
  3. 3. The slag tapping belt conveyor of the girder type TBM according to claim 2, wherein tail brackets (12) are arranged on two sides of the other end of the belt frame (1), bearing seats are arranged in each tail bracket (12), and the tail roller (9) is arranged between the bearing seats in the two tail brackets (12).
  4. 4. The slag discharge belt conveyor of the girder type TBM according to claim 1, wherein each group of carrier roller groups (10) comprises a triple carrier roller (101) and a straight carrier roller (102) which are arranged at intervals up and down, the triple carrier roller (101) is arranged above the belt frame (1), the straight carrier roller (102) is arranged below the belt frame (1), a conveying belt (25) is wound between the triple carrier roller (101) and the straight carrier roller (102), and the conveying belt (25) is a fabric laminated flame-retardant belt.
  5. 5. The slag belt conveyor of the girder type TBM according to claim 1, wherein the mounting frame (4) comprises a mounting plate (41), mounting rods (42) and limiting plates (43), the cross section of the mounting plate (41) is in a shape of 'section', two mounting rods (42) which are arranged in parallel up and down are arranged on one side of the mounting plate (41), the two mounting rods (42) are clamped on the belt frame (1), the limiting plates (43) are arranged between the two mounting rods (42) in a penetrating mode, mounting nuts (14) are arranged at the end portions of the mounting rods (42), and the limiting plates (43) are tightly pressed against the belt frame (1) by the mounting nuts (14).
  6. 6. The slag belt conveyor of the girder type TBM of claim 5, wherein the section of the installation plate (41), the two installation rods (42) and the limiting plate (43) is shaped like a Chinese character 'kou'.
  7. 7. The slag tapping belt conveyor of the girder type TBM according to claim 5, wherein the deviation preventing rollers (5) are slidably arranged on the other side of the mounting plate (41), the distance between the two deviation preventing rollers (5) is adjustable, adjusting rods (20) for limiting the deviation preventing rollers (5) are further arranged between the corresponding deviation preventing rollers (5) and the mounting plate (41), and the adjusting rods (20) are distributed at two ends of the deviation preventing rollers (5); the anti-deflection rollers (5) are vertically arranged, and two ends of each anti-deflection roller (5) vertically upwards pass through the upper layer of the conveying belt (25) and downwards pass through the lower layer of the conveying belt (25) respectively.
  8. 8. The slag tapping belt conveyor of the girder type TBM according to claim 1, wherein the speed detection unit (6) and the tearing detection unit (7) are distributed on two sides of the belt frame (1), the speed detection unit (6) is a velocimeter for monitoring the flow rate of materials on the conveying belt (25), the tearing detection unit (7) comprises an auxiliary light source and a camera, and the auxiliary light source and the camera downwards irradiate the conveying belt (25).

Description

Slag discharging belt conveyor of girder type TBM Technical Field The utility model relates to the technical field of belt conveyors, in particular to a slag discharging belt conveyor of a girder type TBM. Background In the construction process, especially in the turning process of the TBM, the full-face hard rock tunneling machine (TBM) needs the normal operation of the belt conveyor, smoothly conveys out slag generated in the tunneling process, creates a good working environment for constructors, reduces the slag removal workload, and effectively improves the tunneling efficiency. The main beam type TBM adopts a belt conveyor to send out slag in the construction process, and two belt conveyors, namely a main belt conveyor and a rear matched belt conveyor, are generally arranged. The main machine belt conveyor is positioned inside the main driving circular ring and below the cutterhead slag collecting hopper, and conveys the ballast collected by the cutterhead slag collecting hopper onto the rear matched belt conveyor. The tail end material receiving section of the rear matched belt conveyor is positioned below the main engine propulsion cylinder, and the belt conveyor body extends to the lower part of the rear trailer. And the back matched belt conveyor is used for conveying the ballast conveyed by the main belt conveyor to the continuous belt conveyor in the roadway. When the TBM turns in the tunneling process, the belt deviation phenomenon of the rear matched belt conveyor easily occurs, namely, the belt deviates from the middle position of the roller. The slag discharging workload is greatly influenced, the problem of tearing and breaking of the belt sometimes exists, and maintenance staff cannot observe the problem of the belt at any time, so that certain potential safety hazards exist. The belt can easily produce accumulation phenomenon because of too fast speed, slag discharging material sometimes, seriously influences the tunneling efficiency. Disclosure of Invention The utility model provides a slag belt conveyor of a girder TBM, which aims to solve the problems that a belt on a conventional belt conveyor is easy to deviate in the running process and the state of the belt is difficult to monitor, and the belt position is limited by adding an anti-deviation mechanism on the belt conveyor, and meanwhile, a corresponding detection mechanism is arranged, so that the state of the belt is monitored in real time. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: A slag belt conveyor of a girder TBM comprises a belt frame, a belt supporting mechanism, a driving mechanism, an anti-deviation mechanism and a detection mechanism; The belt supporting mechanism comprises a machine head roller, a machine tail roller and carrier roller groups, wherein the machine head roller and the machine tail roller are respectively arranged at two ends of a belt frame in a rotating mode, so that a conveying belt can be conveniently driven, a plurality of groups of carrier roller groups which are arranged at intervals are arranged on the belt frame between the machine head roller and the machine tail roller, and the conveying belt can be reliably borne by the conveying belt through winding the conveying belt between the machine head roller, the machine tail roller and the carrier roller groups; One end of the belt frame is provided with the driving mechanism, and the driving mechanism is connected with the machine head roller, so that the machine head roller can be conveniently and directly driven to operate; The deviation preventing mechanism comprises mounting frames symmetrically arranged on two sides of the belt frame and deviation preventing rollers arranged on the mounting frames, and the two deviation preventing rollers are matched with and clamp the conveying belt, so that the conveying belt is restrained conveniently; The detection mechanism comprises a speed detection unit and a tearing detection unit which are respectively arranged on two sides of the belt frame, so that the running speed of materials on the belt can be conveniently detected, and whether the belt has tearing marks or not can be detected. Further, the belt frame is a steel structure frame, one end of the belt frame is provided with a rectangular machine head support, the machine head roller and the driving mechanism are installed conveniently, the machine head support is connected with the machine head roller through bearing seats in a rotating mode, the driving mechanism is further distributed on the machine head support, the driving mechanism is a speed reducing motor, and torque can be provided for the operation of the belt conveyor. Further, the two sides of the other end of the belt frame are provided with tail brackets, each tail bracket is internally provided with a bearing seat, and the tail roller is arranged between the bearing seats in the two tail brackets, so that the driven rotation