一种桥-轨一体化用钢轨伸缩位移限位与调节装置
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 京沪高速铁路股份有限公司
- Filing Date
- 2025-06-27
- Publication Date
- 2026-07-17
AI Technical Summary
Existing rail expansion joints require repeated nut and bolt operations during installation, which is time-consuming and labor-intensive, and cannot record or alert on the amount of rail deformation and expansion.
A rail extension displacement limiting and adjustment device for bridge-rail integration was designed, including a pre-embedded mounting base, locking components, limiting components and detectors. It can be quickly installed through a double-headed screw shaft and gear structure, and is equipped with a detector to record the rail extension and extension and issue an alarm signal.
It improves installation efficiency, avoids the risk of train derailment caused by excessive expansion and contraction of rails in extreme environments, enables real-time monitoring and alarm of rail expansion and contraction, and improves adjustment accuracy and safety.
Smart Images
Figure CN224513948U_ABST
Abstract
Claims
1. A bridge-rail integrated rail telescopic displacement limiting and adjustment device, comprising a rail assembly (1), characterized in that: The track assembly (1) is equipped with an adjustment assembly (2) for ensuring the stability of track expansion and contraction. The adjustment assembly (2) includes a pre-embedded mounting base (201) fixedly and movably mounted on the track assembly (1). The pre-embedded mounting base (201) is equipped with a track offset assembly. The pre-embedded mounting base (201) is also equipped with a locking assembly for locking the offset assembly. The offset assembly is equipped with a limiting assembly for limiting the offset assembly. The pre-embedded mounting base (201) is also fixedly equipped with a processor (215) for recording and transmitting data. The processor (215) is fixedly equipped with a detector (214) for detecting the amount of track expansion and contraction via a connecting wire. The detector (214) is equipped with a thermometer for detecting temperature changes.
2. The bridge-rail integrated rail expansion displacement limiting and adjusting device according to claim 1, characterized in that: The offset assembly includes a double-ended lead screw shaft (212) rotatably mounted on a pre-embedded mounting base (201). A gear is fixedly mounted on the double-ended lead screw shaft (212). A movable seat (213) is threadedly connected to the double-ended lead screw shaft (212). A fixed slide (209) is fixedly mounted on the movable seat (213). A sliding connecting plate (208) is slidably mounted on the fixed slide (209). The fixed slide (209) is fixedly mounted to the detector (214). A buffer spring (221) is also fixedly mounted on the movable seat (213). The first end of the buffer spring (221) is fixedly mounted to the movable seat (213). The second end of the double-ended lead screw shaft (212) is fixedly mounted to the pre-embedded mounting base (201). A limit wedge is also fixedly mounted on the movable seat (213).
3. The bridge-rail integrated rail expansion displacement limiting and adjusting device according to claim 2, characterized in that: The pre-embedded mounting base (201) is also fixedly installed with a mounting rivet. The offset component also includes a stabilizing wedge (207) hinged to the mounting rivet of the pre-embedded mounting base (201). The stabilizing wedge (207) cooperates with the limiting wedge of the moving base (213) to stabilize the track.
4. The bridge-rail integrated rail expansion displacement limiting and adjusting device according to claim 3, characterized in that: The stabilizing wedge (207) is also provided with a bend buckle for disassembly.
5. The bridge-rail integrated rail expansion displacement limiting and adjusting device according to claim 2, characterized in that: Multiple connecting rivets are fixedly installed on the sliding connecting plate (208), and the multiple connecting rivets are movably installed with the track assembly (1).
6. The bridge-rail integrated rail expansion displacement limiting and adjusting device according to claim 1, characterized in that: The offset assembly also includes a limiting mounting plate (202) fixedly mounted on a pre-embedded mounting base (201), on which a stabilizing wedge I (210) for assisting in stabilizing the track is fixedly mounted.
7. The bridge-rail integrated rail expansion displacement limiting and adjusting device according to claim 1, characterized in that: The limiting component includes a limiting mounting block (203) movably mounted on the offset component. A fixing rivet II (204) is movably mounted on the limiting mounting block (203). An adjusting plate (206) is slidably mounted on the limiting mounting block (203). A limiting slider (205) is spring-connected to the adjusting plate (206). The limiting slider (205) is slidably mounted on the limiting mounting block (203).
8. The bridge-rail integrated rail expansion displacement limiting and adjusting device according to claim 7, characterized in that: The limiting mounting block (203) is provided with a range line, and the adjusting plate (206) is provided with a positioning bar. The range line of the limiting mounting block (203) and the positioning bar of the adjusting plate (206) cooperate to determine the initial position of the limiting slider (205).
9. The bridge-rail integrated rail expansion displacement limiting and adjusting device according to claim 1, characterized in that: The locking assembly includes a fastening rack I (216) and a fastening rack II (217) slidably mounted on a pre-embedded mounting base (201). The fastening rack I (216) and the fastening rack II (217) respectively mesh with the offset assembly. The locking assembly also includes a push gear (218) and a worm gear (220) rotatably mounted on the pre-embedded mounting base (201). The push gear (218) meshes with the fastening rack I (216) and the fastening rack II (217) respectively. A worm wheel (219) is fixedly mounted on the rotating shaft of the push gear (218). The worm gear (220) meshes with the worm wheel (219). A tensioning screw (211) is fixedly mounted on the rotating shaft of the worm gear (220).
10. The bridge-rail integrated rail expansion displacement limiting and adjusting device according to claim 9, characterized in that: The tightening screw (211) is provided with a groove, which is used to cooperate with tools to drive the locking component.