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CN-224227568-U - High-toughness wear-resistant fastening connecting piece for rail transit

CN224227568UCN 224227568 UCN224227568 UCN 224227568UCN-224227568-U

Abstract

The utility model discloses a high-toughness wear-resistant fastening connecting piece for rail transit, which comprises a mounting bottom plate and a supporting seat, wherein a rail seat is arranged at the middle position of the top end of the mounting bottom plate, the two sides of the top end of the mounting bottom plate are fixedly connected with the supporting seat, one side of the supporting seat is provided with a limiting seat, a locking structure is sleeved above the outer side of a fastening screw rod and comprises a baffle column, an anti-skid screw cap, a slot, a positioning seat, a torsion spring, a positioning column and a clamping groove, the baffle column is fixedly connected to the top end of the limiting seat, one side of the bottom of the limiting seat is provided with a limiting reinforcing structure, and one side of the limiting seat is internally clamped with a limiting groove. According to the utility model, after the anti-skid screw cap is screwed, the positioning seat is arranged at the top of the anti-skid screw cap, the positioning column is inserted into the slot, the torsion spring sleeved outside the anti-skid screw cap is connected with the baffle column, and the torsion direction of the torsion spring is the same as the screwing and rotating direction of the anti-skid screw cap, so that the kinetic energy of the rotation of the anti-skid screw cap is compensated.

Inventors

  • DING SHAOMING
  • ZHOU AIJUN

Assignees

  • 宜兴市怡光环保机械有限公司

Dates

Publication Date
20260512
Application Date
20250417

Claims (7)

  1. 1. A high-toughness wear-resistant fastening connector for rail transit comprises a mounting bottom plate (1) and a supporting seat (3); the method is characterized in that: A track seat (2) is arranged at the middle position of the top end of the mounting bottom plate (1), and two sides of the top end of the mounting bottom plate (1) are fixedly connected with a supporting seat (3); A limit seat (4) is arranged on one side of the supporting seat (3), a fastening screw (6) is fixedly connected to one side of the top end of the supporting seat (3), an anti-loosening structure (7) is sleeved above the outer side of the fastening screw (6), the anti-loosening structure (7) comprises a baffle column (701), an anti-slip nut (702), a slot (703), a locating seat (704), a torsion spring (705), a locating column (706) and a clamping groove (707), and the baffle column (701) is fixedly connected to the top end of the limit seat (4); One side of limit seat (4) bottom is provided with spacing reinforcement structure (5), the inside card of limit seat (4) one side is equipped with spacing groove (8).
  2. 2. The fastening connector for high-toughness wear-resistant rail transit of claim 1, wherein a plurality of support seats (3) are fixedly connected to two sides of the top end of the mounting base plate (1), and the support seats (3) are distributed at equal intervals on two sides of the top end of the mounting base plate (1).
  3. 3. The fastening connection piece for high-toughness wear-resistant rail transit of claim 1, wherein the limiting and reinforcing structure (5) comprises an inclined surface groove (501), an inserting block (502), a reinforcing screw (503), a guide groove (504) and a baffle plate (505), the inclined surface groove (501) is formed in the lower portion of one side of the limiting seat (4), the inserting block (502) is mounted on the inner side of the inclined surface groove (501), one end of the inserting block (502) is fixedly connected with the reinforcing screw (503), the guide groove (504) is formed in one side of the supporting seat (3), and the baffle plate (505) is fixedly connected with one end of the supporting seat (3).
  4. 4. The fastening connector for high-toughness wear-resistant rail transit of claim 3, wherein the inclined surface groove (501) and the guide groove (504) are arranged on the same horizontal plane, and the inclined surface groove (501), the guide groove (504) and the insert block (502) are in an inlaid structure.
  5. 5. The high-toughness wear-resistant fastening connection piece for rail transit of claim 1, wherein an anti-slip nut (702) is connected to the upper portion of the outer side wall of the fastening screw (6) in a threaded mode, a slot (703) is formed in the top end of the anti-slip nut (702), a positioning seat (704) is mounted on the top end of the anti-slip nut (702), a torsion spring (705) is sleeved on the outer side of the positioning seat (704), a positioning column (706) is fixedly connected to the bottom end of the positioning seat (704), and a clamping groove (707) is formed in the top end of the outer side wall of the positioning seat (704).
  6. 6. The high-toughness wear-resistant fastening connector for rail transit as claimed in claim 5, wherein the anti-skid screw cap (702) and the fastening screw (6) are in a threaded connection structure, and the slot (703) and the positioning column (706) are in an embedded structure.
  7. 7. The high-toughness wear-resistant fastening connector for rail transit of claim 5, wherein said positioning posts (706) are annularly distributed at the bottom end of said positioning seat (704).

Description

High-toughness wear-resistant fastening connecting piece for rail transit Technical Field The utility model relates to the technical field of fastening connectors for rail transit, in particular to a high-toughness wear-resistant fastening connector for rail transit. Background The fastening connecting piece for track traffic is used as one of important parts of track running safety, and in the track laying process, the corresponding fastening connecting piece is often installed at the joint of the tracks in order to keep the stability among the tracks and avoid the phenomena of deflection, movement and the like after the tracks are used for a long time. Common rail transit fastening connecting piece is spacing and fastening to track both sides through the mode that uses many bolts fastening at the base mostly, makes the rail can not appear crooked or shake the phenomenon in the use, and common fastening connecting piece has better firm effect when using, still has some problems: the common fastening connecting piece is easy to loosen due to shaking of the train during running in the long-time use process, and a large amount of time is required for periodic maintenance. Disclosure of utility model The utility model aims to provide a high-toughness wear-resistant fastening connecting piece for rail transit, which is used for solving the defect that bolts of the existing fastening connecting piece for rail transit are easy to loosen after the existing fastening connecting piece is used for a long time. In order to solve the technical problems, the fastening connecting piece for the high-toughness wear-resistant rail transit comprises a mounting bottom plate and a supporting seat, wherein the middle position of the top end of the mounting bottom plate is provided with the rail seat, two sides of the top end of the mounting bottom plate are fixedly connected with the supporting seat, one side of the supporting seat is provided with a limiting seat, one side of the top end of the supporting seat is fixedly connected with a fastening screw rod, an anti-loosening structure is sleeved above the outer side of the fastening screw rod and comprises a baffle column, an anti-loosening screw cap, a slot, a positioning seat, a torsion spring, a positioning column and a clamping groove, the baffle column is fixedly connected to the top end of the limiting seat, one side of the bottom of the limiting seat is provided with the limiting reinforcing structure, and one side of the limiting seat is internally clamped with the limiting groove. When the fastening connecting piece is used, the mounting bottom plate is pre-buried on the ground of the joint of the track seat and fixed, the two sides of the track seat are propped against through the limiting seat and fastened by using the fastening screw, so that the two sides of the track seat are blocked by the limiting seat in a limiting and pressing mode, and the track seat is kept stable after being mounted. Preferably, the supporting seat is fixedly connected with a plurality of supporting seats on two sides of the top end of the mounting bottom plate, the supporting seats are distributed at equal intervals on two sides of the top end of the mounting bottom plate, the supporting seat and the limiting seat are made of high-performance alloy steel materials, and corresponding coatings are sprayed on the surfaces of the supporting seat and the limiting seat through special processing, so that the toughness and the wear resistance of the fastener are improved. Preferably, the limit reinforcing structure comprises an inclined plane groove, an inserting block, a reinforcing screw, a guide groove and a baffle, wherein the inclined plane groove is formed in the lower portion of one side of the limit seat, the inserting block is arranged on the inner side of the inclined plane groove, one end of the inserting block is fixedly connected with the reinforcing screw, the guide groove is formed in one side of the support seat, and one end of the support seat is fixedly connected with the baffle. Preferably, the inclined plane groove and the guide groove are in the same horizontal plane, the inclined plane groove, the guide groove and the insert block are in an embedded structure, and the limit seat can be clung to the side face of the track seat along with the continuous insertion of the insert block. Preferably, the top threaded connection of fastening screw lateral wall has anti-skidding nut, the slot has been seted up to the inside on anti-skidding nut top, the positioning seat is installed on anti-skidding nut's top, the outside cover of positioning seat is equipped with torsion spring, the bottom fixedly connected with reference column of positioning seat, the draw-in groove has been seted up on the top of positioning seat lateral wall, can carry out the kinetic energy compensation on the direction of screwing up to anti-skidding nut under torsion spring's effect. Preferably, the anti-sk