Emergency rescue connecting device of rail-road car
By designing an emergency rescue connection device, the guide wheel cross beam of the dual-purpose vehicle with limit blocks and limit rings are used to fix the road and railway dual-purpose vehicle guide wheel cross beam, and connected to the rescue locomotive through the connecting plate, the problem of the dual-purpose vehicle being unable to be connected to rescue in time when the failure is broken, and the effect of quickly dragging off the track running line is achieved.
Patent Information
- Application Number
- CN202420810642.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-18
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-04-18
AI Technical Summary
When a dual-purpose road and rail vehicle fails on the rail line, it lacks a dedicated trailer hook, which makes it impossible to carry out timely and effectively connect and rescue, affecting the normal operation of rail transit lines.
An emergency rescue connection device is designed, including a trailer rod assembly and a towing rod assembly. Through the coordination of the limit block and the limit ring, the beam of the guide wheel of the dual-purpose vehicle is fixed, and connected to the rescue locomotive through the connecting plate to realize temporary connection.
The device can quickly connect dual-purpose vehicles on the road and rail and rescue locomotives, drag off the track in time, ensure the normal operation of the rail transit line, and has a simple structure, easy installation and disassembly, and easy maintenance.
Smart Images

Figure CN222645733U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of road-rail dual-purpose vehicle equipment, and in particular to an emergency rescue connection device for a road-rail dual-purpose vehicle. Background Art
[0002] With the development of the domestic rail transit industry, various forms of vehicles and special vehicles have appeared in the field of rail transit line construction and maintenance and inspection. Highway-rail vehicles are one of the multi-purpose special vehicles. Highway-rail vehicles refer to special vehicles that can travel on both railway tracks and ordinary roads. Through the guide wheel mechanism set on the chassis, it can quickly switch between road and rail. Most of the highway-rail vehicles have a guide wheel mechanism added to the chassis of the car. When it fails on the rail line and cannot travel, and needs to be towed by a rescue vehicle, because there are no special coupling hooks at both ends of the highway-rail vehicle, it is impossible to carry out the coupling rescue in a timely and effective manner. If it is towed away from the scene, it will affect the normal operation of the rail transit line, causing delays of other trains, and even cause huge economic losses. Utility Model Content
[0003] In order to solve the above problems, the utility model proposes an emergency rescue connection device for a road-rail dual-purpose vehicle, and the specific technical solution is as follows:
[0004] The invention discloses an emergency rescue connection device for a road-rail dual-purpose vehicle, comprising a tow bar assembly and a traction bar assembly; the tow bar assembly comprises a tow bar main body and a tow bar connecting plate fixedly connected to the upper side of the tow bar main body, a pin hole is formed on the tow bar connecting plate, and the tow bar connecting plate and the traction bar assembly are connected via a pin shaft; a limit block is installed on the tow bar main body, a limit ring is installed on the periphery of the limit block, and the limit block cooperates with the limit ring to limit the cross beam of the guide wheel of the road-rail dual-purpose vehicle.
[0005] Furthermore, the limiting ring is a U-shaped bolt, both ends of the U-shaped bolt pass through the tow bar body, nuts are installed on both ends of the U-shaped bolt, and a pad is provided between the nut and the tow bar body.
[0006] Furthermore, the traction rod assembly includes a traction rod body, and a connecting plate I and a connecting plate II are respectively provided at both ends of the traction rod body, and pin holes are provided on the connecting plate I and the connecting plate II. The connecting plate I is connected to the trailer rod connecting plate through a pin shaft.
[0007] Furthermore, the traction rod body is welded by two horizontally placed square steel pipes of different heights and one vertically placed square steel pipe. The side of the traction rod body is stepped, and reinforcement plates are provided at the corners of the traction rod body. The connecting plate I is located at the end of the traction rod body with a lower horizontal height.
[0008] The beneficial effects of the utility model are:
[0009] When a road-rail vehicle breaks down and cannot run on a rail line and needs to be towed by a rescue vehicle, the road-rail vehicle and the rescue locomotive can be quickly connected and the road-rail vehicle can be towed away from the rail line in time to ensure that the rail transit line can operate normally. The vehicle has a simple structure, is easy to install and disassemble, and is convenient for maintenance. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0011] Figure 1 It is a structural schematic diagram of an emergency rescue connection device for a road-rail dual-purpose vehicle according to the utility model;
[0012] In the figure: 1. U-bolt; 2. trailer rod body; 3. pin shaft; 4. traction rod body; 5. limit block; 6. pad; 7. trailer rod connecting plate; 8. connecting plate I; 9. reinforcement plate; 10. connecting plate II. DETAILED DESCRIPTION
[0013] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.
[0014] The utility model provides the following specific embodiments of the emergency rescue connection device for a road-rail vehicle:
[0015] like Figure 1As shown, the utility model provides an emergency rescue connection device for a road-rail dual-purpose vehicle, comprising a tow bar assembly and a traction bar assembly for connecting with a rescue vehicle; the tow bar assembly comprises a tow bar main body 2 and a tow bar connecting plate 7 fixedly connected to the upper side of the tow bar main body 2, a pin hole is opened on the tow bar connecting plate 7, and the tow bar connecting plate 7 is connected to the traction bar assembly through a pin shaft 3; a limit block 5 is installed on the tow bar main body 2 by welding, the limit block 5 and the traction bar assembly are respectively located on the left and right sides of the tow bar assembly, a limit ring is installed on the periphery of the limit block 5, and the limit block 5 cooperates with the limit ring to limit the crossbeam of the guide wheel of the road-rail dual-purpose vehicle.
[0016] Furthermore, the limiting ring is a U-shaped bolt 1, both ends of the U-shaped bolt 1 pass through the trailer rod body 2 and extend out, nuts are installed at both ends of the U-shaped bolt 1, and a pad 6 is provided between the nut and the trailer rod body 2. The pad 6 acts as a buffer to make the connection more stable when locking the crossbeam. By tightening the nut, the space between the U-shaped bolt 1 and the limiting block 5 is reduced, thereby fixing the crossbeam of the guide wheel of the road-rail dual-purpose vehicle.
[0017] Furthermore, the towing rod assembly includes a towing rod body 4, and a connecting plate Ⅰ8 and a connecting plate Ⅱ10 are respectively provided at both ends of the towing rod body 4, and pin holes are provided on the connecting plate Ⅰ8 and the connecting plate Ⅱ10. The connecting plate Ⅰ8 is connected to the trailer rod connecting plate 7 through the pin shaft 3, and the connecting plate Ⅱ10 is connected to the rescue vehicle through the pin shaft of the rescue vehicle belt.
[0018] Furthermore, the tow bar body 2 is made of a square steel pipe and welded to the tow bar connecting plate 7. The traction bar body 4 is welded by two horizontally placed square steel pipes of different heights and a vertically placed square steel pipe. The front side surfaces of the square steel pipes constituting the traction bar body 4 are on the same plane. The side surfaces of the traction bar body 4 are stepped. Reinforcing plates 9 are provided at the corners of the traction bar body 4. The use of the reinforcing plate 9 structure saves more materials. The connecting plate Ⅰ8 is located at the end of the traction bar body 4 with a lower horizontal height.
[0019] When this embodiment is in use, the space between the U-bolt 1 and the limit block 5 is reduced by tightening the nut to fix the crossbeam of the guide wheel structure of the road-rail dual-purpose vehicle, and the rescue locomotive with the hook tongue removed is connected through the connecting plate II 10 through the pin hole at the original installation of the hook tongue and the pin shaft of the rescue locomotive, thereby completing the temporary connection between the rescue locomotive and the road-rail dual-purpose vehicle.
[0020] The device can provide temporary coupling for a road-rail dual-purpose vehicle that is not equipped with a coupler, and can be towed away from the track for emergency rescue. The device is easy to install and disassemble, and provides convenience for the operation and rescue of the road-rail dual-purpose vehicle.
[0021] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. An emergency rescue connection device for a road-rail vehicle, characterized in that: The invention comprises a trailer rod assembly and a traction rod assembly; the trailer rod assembly comprises a trailer rod body (2) and a trailer rod connecting plate (7) fixedly connected to the upper side of the trailer rod body (2); a pin hole is formed on the trailer rod connecting plate (7); the trailer rod connecting plate (7) is connected to the traction rod assembly via a pin shaft (3); a limit block (5) is installed on the trailer rod body (2); a limit ring is installed on the periphery of the limit block (5); the limit block (5) cooperates with the limit ring to limit the cross beam of the guide wheel of the road-rail dual-purpose vehicle.
2. The emergency rescue connection device for a road-rail vehicle according to claim 1, characterized in that: The limiting ring is a U-shaped bolt (1), both ends of the U-shaped bolt (1) pass through the tow bar body (2), nuts are installed at both ends of the U-shaped bolt (1), and a pad (6) is provided between the nut and the tow bar body (2).
3. The emergency rescue connection device for a road-rail vehicle according to claim 1, characterized in that: The drawbar assembly comprises a drawbar body (4), wherein two ends of the drawbar body (4) are respectively provided with a connecting plate I (8) and a connecting plate II (10), both connecting plates I (8) and II (10) are provided with pin holes, and the connecting plate I (8) is connected to a trailer bar connecting plate (7) via a pin shaft (3).
4. The emergency rescue connection device for a road-rail vehicle according to claim 3, characterized in that: The traction rod body (4) is welded from two horizontally placed square steel pipes of different heights and one vertically placed square steel pipe. The side of the traction rod body (4) is stepped. A reinforcing plate (9) is provided at the corner of the traction rod body (4). The connecting plate I (8) is located at the lower end of the traction rod body (4).