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CN-224208868-U - Hook tail frame bending device

CN224208868UCN 224208868 UCN224208868 UCN 224208868UCN-224208868-U

Abstract

The utility model discloses a hook tail frame bending device which comprises a U-shaped frame, wherein a bending device is arranged at the top of the U-shaped frame, a T-shaped fixing seat and a first electric push rod are respectively arranged at the inner side of the U-shaped frame, the output end of the first electric push rod is connected with a U-shaped mounting frame, two groups of sliding grooves are formed in the bottom of the inner side of the U-shaped frame, the U-shaped mounting frame is in sliding fit with the inner side of the sliding grooves, a bending seat is arranged at the top of the U-shaped mounting frame, and a U-shaped groove is formed in the inner side of the bending seat.

Inventors

  • HE YIN
  • LI GE
  • CHEN WEI

Assignees

  • 南京中盛铁路车辆配件有限公司

Dates

Publication Date
20260508
Application Date
20250517

Claims (8)

  1. 1. The hook tail frame bending device comprises a U-shaped frame (1) and is characterized in that a bending device (2) is arranged at the top of the U-shaped frame (1), a T-shaped fixing seat (3) and a first electric push rod (4) are respectively arranged at the inner side of the U-shaped frame (1), a U-shaped mounting frame (6) is connected to the output end of the first electric push rod (4), two groups of sliding grooves (5) are formed in the bottom of the inner side of the U-shaped frame (1), the U-shaped mounting frame (6) is in sliding fit with the inner side of the sliding grooves (5), a bending seat (8) is arranged at the top of the U-shaped mounting frame (6), a U-shaped groove (9) is formed in the inner side of the bending seat (8), and limiting wheels (10) are sleeved on the two sides of the inner side of the bending seat (8); The bottom of U type mounting bracket (6) is equipped with correction stop gear (7).
  2. 2. The coupler yoke bending device according to claim 1, wherein the correcting and limiting mechanism (7) comprises a second electric push rod (701), the second electric push rod (701) is arranged at the bottom of the U-shaped mounting frame (6), a lifting plate (702) is arranged at the output end of the second electric push rod (701), two groups of limiting clamping plates (703) are slidably arranged on two sides of the top of the lifting plate (702), limiting grooves (705) are formed on two sides of the bending seat (8), mounting grooves (704) are slidably connected to the inner sides of the limiting grooves (705), two bidirectional screw rods (706) are sleeved on the inner sides of the mounting grooves (704), and the two limiting clamping plates (703) on the same side are symmetrically sleeved on the outer sides of the bidirectional screw rods (706).
  3. 3. The bending device for a coupler yoke according to claim 1, wherein the bending device (2) comprises a hydraulic cylinder and a pressure head, and the pressure head is opposite to the inner vertical surface of the U-shaped groove (9).
  4. 4. The coupler yoke bending device according to claim 1, wherein the bottom of the T-shaped fixing seat (3) is opposite to the horizontal plane of the U-shaped groove (9), and the bending seat (8) and the U-shaped groove (9) are horizontally displaced at the protruding part of the bottom of the T-shaped fixing seat (3).
  5. 5. The bending device for the coupler yoke according to claim 1, wherein the limiting wheels (10) are four groups, and each two groups of limiting wheels (10) are sleeved on two sides of the inner side of the bending seat (8).
  6. 6. The coupler yoke bending device according to claim 1, wherein through holes are formed in two sides of the top of the U-shaped mounting frame (6), and the diameter of each through hole is larger than that of the limiting clamp plate (703).
  7. 7. The bending device for the coupler yoke according to claim 2, wherein guide grooves are formed in two sides of the top of the lifting plate (702), four groups of guide blocks in sliding fit are arranged on the inner sides of the guide grooves, and the guide blocks are connected with the limiting clamp plate (703).
  8. 8. The coupler yoke bending device according to claim 2, wherein through grooves are formed in the top and bottom of the two mounting grooves (704), the through grooves are in limit fit with the limit clamping plates (703), and the two mounting grooves (704) are lifted and slid on the inner sides of the limit grooves (705).

Description

Hook tail frame bending device Technical Field The utility model relates to the technical field of hook tail frame bending, in particular to a hook tail frame bending device. Background The heavy-load rail traffic is a railway with total weight of a running train, large axle weight truck or running density and extra large traffic volume, and is mainly used for conveying large raw material cargoes, wherein the coupler buffer device is a device which is used for connecting vehicles (or locomotives) with each other in a railway vehicle and has the functions of traction, impact force alleviation and the like in the running of the train, and consists of parts such as a coupler yoke, a buffer, a slave plate, a coupler yoke body and the like; the utility model discloses a hook tail frame bending device is announced to authority for CN215355546U, the device is mainly through can be quick effectual crooked into the U type with hook tail frame bar forging under the red hot state, can play the locate function in the bending process both sides gyro wheel again can make the bending process smooth and natural, does not cause the influence to work piece surface quality, but when the device in-service use, still has following defect: Above-mentioned patent is mainly through the location of gyro wheel, makes the strip forging of coupler yoke frame crooked into the U type under red hot state, but when coupler yoke frame bends, the pressure head leads to the forging to appear the offset under the pressure effect easily with the forging contact, and then leads to the bending of forging to appear the defect that the flaw is uneven, reduces the precision and the stability that coupler yoke frame bent to the coupler yoke frame is bent after being difficult to take out from the cell body of buckling, increases bending device's limitation in use, reduces production efficiency. Disclosure of utility model The utility model aims to provide a hook tail frame bending device for solving the problems in the background technology. The utility model provides a hook tail frame bending device which comprises a U-shaped frame, wherein a bending device is arranged at the top of the U-shaped frame, a T-shaped fixing seat and a first electric push rod are respectively arranged at the inner side of the U-shaped frame, the output end of the first electric push rod is connected with a U-shaped mounting frame, two groups of sliding grooves are formed in the bottom of the inner side of the U-shaped frame, the U-shaped mounting frame is in sliding fit with the inner side of the sliding grooves, a bending seat is arranged at the top of the U-shaped mounting frame, a U-shaped groove is formed in the inner side of the bending seat, and limiting wheels are sleeved on two sides of the inner side of the bending seat; And a correction limiting mechanism is arranged at the bottom of the U-shaped mounting frame. Preferably, the correction stop gear includes the second electric putter, the second electric putter sets up the bottom at U type mounting bracket, the output of second electric putter is equipped with the lifter plate, the both sides at lifter plate top slip is provided with two sets of limit splint, the both sides of bending the seat are equipped with the spacing groove, and the inboard sliding connection of spacing groove has the mounting groove, two the inboard cover of mounting groove is equipped with two-way lead screw, homonymy two limit splint symmetry cover is established in the outside of two-way lead screw. Preferably, the bending device comprises a hydraulic cylinder and a pressure head, and the pressure head is opposite to the inner side vertical surface of the U-shaped groove, so that the coupler yoke forge piece can be contacted and bent conveniently through structural fit of the bending device. Preferably, the bottom of T type fixing base is relative with U type recess horizontal plane, bend seat and U type recess in the bellying horizontal displacement of T type fixing base bottom, improve the stability that the structure level was adjusted, and be convenient for push out the forging after bending through T type fixing base. Preferably, the limit wheels are four groups, wherein every two groups of limit wheels are sleeved on two sides of the inner side of the bending seat, and the bending quality of the forging is improved by utilizing the symmetrical arrangement of the limit wheels. Preferably, the through holes are formed in the two sides of the top of the U-shaped mounting frame, the diameter of each through hole is larger than that of each limiting clamping plate, the limiting clamping plates are conveniently arranged through the through holes, and the limiting clamping plates are conveniently and movably adjusted through the through holes. Preferably, guide grooves are formed in two sides of the top of the lifting plate, four groups of guide blocks in sliding fit are arranged on the inner sides of the guide grooves, and the guide