Subway semi-permanent traction rod connecting trailer hook device for highway-railway vehicle
By designing the semi-permanent towing rod trailer hook device for road and railway vehicles, the problem of connecting operations between subway passenger operation vehicles and road and railway dual-purpose vehicles is solved, and the safety, speed and effectiveness of traction shunting operations are achieved.
Patent Information
- Application Number
- CN202421429150.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-06-21
AI Technical Summary
The existing technology is difficult to meet the connection operation needs between subway passenger operation vehicles and road and railway dual-purpose vehicles, especially in traction shunting operations, which lack safe, fast and effective connection devices.
A semi-permanent towing rod trailer hook device for road and rail vehicles is designed, including a semi-permanent towing rod assembly assembly and an intermediate hook assembly assembly. It adopts snap ring connections, a clip assembly assembly and a hook body welded component to achieve rapid disassembly and connection.
This device meets the connection needs of semi-automatic couplings of middle vehicles and semi-automatic couplings of front vehicles for subway passenger operation vehicles, and ensures the safety, speed and effectiveness of traction shunting operations.
Smart Images

Figure CN222538804U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of traction and shunting equipment, in particular to a subway semi-permanent traction rod and trailer hook device for road and rail vehicles. Background Art
[0002] At present, there are two commonly used coupler adapters for urban subway passenger transport vehicles. The two types of couplers are divided into: 1. Intermediate car semi-automatic coupler; 2. Lead car semi-automatic coupler due to the difference in the composition of the hook body. In the formation of subway passenger transport vehicles, the intermediate cars are connected with the intermediate car semi-automatic coupler; the lead car semi-automatic coupler connected with other cars is set in front (behind) of the lead car operating vehicle. However, the intermediate car semi-automatic coupler and the lead car semi-automatic coupler are composed of 330 coupler, clamping ring connector, hook body, air duct connector, rubber pad traction device, and centering device. The disassembly and assembly of the clamping ring connector is the disassembly method of realizing the 330 coupler and hook body.
[0003] The road-rail dual-purpose vehicles purchased by subway passenger transport operations can travel on standard-gauge roads and railways, and can meet the needs of traction and shunting operations for high-speed trains, subway vehicles, urban vehicles, intercity trains, high-power locomotives, etc. How to make the coupler adapter of subway passenger transport operation vehicles connected with road-rail dual-purpose vehicles to ensure the use of traction and shunting operations of subway passenger transport operation vehicles, and the pursuit of safe, mature, and reliable coupling devices has become the first choice for the design of road-rail dual-purpose vehicles. The current coupler adapters of road-rail dual-purpose vehicles are difficult to meet the use needs of the coupling operations of subway passenger transport operation vehicles. Summary of the invention
[0004] The purpose of the utility model is to provide a semi-permanent traction rod and vehicle hook device for a road-rail vehicle, so as to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a semi-permanent traction rod and trailer hook device for a road-rail vehicle, comprising a semi-permanent traction rod assembly component, the semi-permanent traction rod assembly component comprising a hook body, a clamping ring connector, an air duct joint, a rubber pad traction device and a centering device, both ends of the hook body are provided with clamping ring connectors, one of the clamping ring connectors is clamped with the rubber pad traction device, and one side of the rubber pad traction device is rotatably connected with the centering device.
[0006] Preferably, one end of the semi-permanent drawbar assembly is connected to an intermediate coupler assembly, the intermediate coupler assembly includes a card set assembly and a hook body welding assembly, and one end of the hook body is carded with the hook body welding assembly via the card set assembly.
[0007] Preferably, the card sleeve assembly assembly includes a card sleeve plate B, a card sleeve plate A, a live bolt, a hexagonal flange locking nut, an elastic retaining ring for 12 axes, an elastic retaining ring for 18 axes, a small pin and a pin. One end of the card sleeve plate B is hinged to one end of the card sleeve plate A through the pin, and one end of the pin is provided with an elastic retaining ring for 18 axes. The other end of the card sleeve plate A is hinged with a live bolt through the small pin, and one end of the small pin is provided with an elastic retaining ring for 12 axes. One end of the live bolt is placed in the slot at the other end of the card sleeve plate B and is locked by the hexagonal flange locking nut.
[0008] Preferably, the hook body welding assembly includes a connecting plate, a connecting pipe and a hook bottom plate, and the connecting pipe is fixed with a connecting plate and a hook bottom plate at both ends. The hook body welding assembly is designed with a hook bottom plate that can be bolted to a road or rail vehicle, and the connecting pipe can be increased or decreased in length according to user needs. The interface of the connecting plate meets the connection accuracy requirements of the interface size of the semi-permanent traction rod assembly assembly of the subway passenger operation vehicle.
[0009] Preferably, the connecting plate is connected to the hook body through a card set assembly. The interface size of the card set assembly is consistent with the precision and interface size of the card ring connector of the semi-permanent drawbar assembly assembly, and the card set assembly adopts a hinge connection and a quick locking method of a live bolt to ensure safe, fast and effective coupling of road and rail dual-purpose vehicles and subway passenger operation vehicles.
[0010] Preferably, an air duct joint is installed at the bottom of the other clamping ring connector, and one side of the other clamping ring connector is clamped with the coupler.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] The utility model of the semi-permanent traction rod and hook device for road and rail vehicles meets the use requirements of the semi-automatic hook of the middle car and the semi-automatic hook of the head car of the subway passenger operation vehicle after the hook is removed. The card set assembly component of the utility model adopts a hinge connection and a quick locking method of a live bolt to ensure the safe, fast and effective connection of road and rail dual-purpose vehicles and subway passenger operation vehicles. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural diagram of the assembly of the vehicle coupler and the semi-permanent drawbar of the utility model;
[0014] Figure 2 This is a structural diagram of the semi-permanent traction rod assembly of the utility model;
[0015] Figure 3 It is a structural diagram of the card set assembly component and the hook body welding component of the utility model;
[0016] Figure 4It is a partial structural diagram of the semi-permanent traction rod assembly component, the card sleeve assembly component and the hook body welding component of the utility model;
[0017] Figure 5 It is a partial plan view of the semi-permanent traction rod assembly component, the card sleeve assembly component and the hook body welding component of the utility model;
[0018] Figure 6 It is a structural diagram of the card set assembly components of the utility model.
[0019] In the figure: 100, semi-permanent traction rod assembly; 101, hook body; 102, clamping ring connector; 103, air duct joint; 104, rubber pad traction device; 105, centering device; 200, clamping assembly; 201, clamping plate B; 202, clamping plate A; 203, live bolt; 204, hexagonal flange locking nut; 205, elastic retaining ring for 12-axis; 206, elastic retaining ring for 18-axis; 207, small pin; 208, pin; 300, hook body welding structure assembly; 301, connecting plate; 302, connecting pipe; 303, hook bottom plate; 330, hook. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0021] See also Figure 1-6 The utility model provides a semi-permanent traction rod and trailer hook device for a road-rail vehicle, including a semi-permanent traction rod assembly component 100, the semi-permanent traction rod assembly component 100 includes a hook body 101, a clamping ring connector 102, a duct joint 103, a rubber pad traction device 104 and a centering device 105, both ends of the hook body 101 are provided with a clamping ring connector 102, one of the clamping ring connectors 102 is clamped with the rubber pad traction device 104, and one side of the rubber pad traction device 104 is rotatably connected to the centering device 105.
[0022] One end of the semi-permanent drawbar assembly 100 is connected to the intermediate coupler assembly, which includes a clamping assembly 200 and a hook body welding assembly 300. One end of the hook body 101 is clamped with the hook body welding assembly 300 through the clamping assembly 200.
[0023] Specifically, the road-rail dual-purpose tractor equipped with the intermediate coupler assembly assembly can realize rapid coupling and traction operations by utilizing the disassembly and assembly of the card sleeve assembly assembly 200 and the semi-permanent traction rod assembly assembly.
[0024] The card sleeve assembly component 200 includes a card sleeve plate B201, a card sleeve plate A202, a live bolt 203, a hexagonal flange surface locking nut 204, an elastic retaining ring 205 for 12 axes, an elastic retaining ring 206 for 18 axes, a small pin 207 and a pin 208. One end of the card sleeve plate B201 is hinged to one end of the card sleeve plate A202 through the pin 208, and one end of the pin 208 is provided with an elastic retaining ring 206 for 18 axes. The other end of the card sleeve plate A202 is hinged with a live bolt 203 through the small pin 207, and one end of the small pin 207 is provided with an elastic retaining ring 205 for 12 axes. One end of the live bolt 203 is placed in the slot at the other end of the card sleeve plate B201 and is locked by the hexagonal flange surface locking nut 204.
[0025] Specifically, the card sleeve assembly component 200 is an assembly component. It is composed of a card sleeve plate B 201, a card sleeve plate A 202, a live bolt 203, a hexagonal flange locking nut 204, a 12-axis elastic retaining ring 205, an 18-axis elastic retaining ring 206, a small pin 207 and a pin 208. The card sleeve plate B01 and the card sleeve plate A202 are hinged by a pin 208; the other end of the card sleeve plate A202 is hinged with a live bolt 203; when in use, a hexagonal flange locking nut 204 is used to tighten; the 12-axis elastic retaining ring 205 and the 18-axis elastic retaining ring 206 axially fix the small pin 207 and the pin 208. The disassembly and assembly of the card sleeve assembly component 200 and the semi-permanent traction rod assembly component 100 can realize a quick connection and traction operation.
[0026] The hook body welding assembly 300 comprises a connecting plate 301 , a connecting pipe 302 and a coupler bottom plate 303 . The connecting plate 301 and the coupler bottom plate 303 are fixedly provided at both ends of the connecting pipe 302 .
[0027] Specifically, the hook body welding component 300 is a welding structure, which is welded and processed by a connecting plate 301, a connecting pipe 302, and a hook bottom plate 303, and the hook bottom plate 303 is bolted to the road-rail dual-purpose tractor.
[0028] The connecting plate 301 is snap-connected with the hook body 101 through the snap-fit assembly 200 .
[0029] An air duct joint 103 is installed at the bottom of the other clamping ring connector 102 , and one side of the other clamping ring connector 102 is clamped with the coupler 330 .
[0030] Specifically, one end of the semi-permanent drawbar assembly 100 may also be equipped with a coupler 330 via another snap ring connector 102. When the semi-permanent drawbar assembly 100 is connected to the intermediate coupler assembly, the other snap ring connector 102 and the coupler 330 need to be disassembled.
[0031] When the embodiment of the present application is used: the semi-permanent traction bar assembly 100, wherein Figure 1 A structural diagram showing that the hook body 101 of the semi-permanent drawbar assembly 100 and the coupler 330 can be quickly disconnected using a snap ring connector 102. Figure 4 , Figure 5 , shows a partial structural diagram of a semi-permanent drawbar assembly 100 and an intermediate coupler assembly. Figure 3 , shows a structural diagram of the assembly of the card sleeve assembly component 200 and the hook body welding component 300. The intermediate coupler assembly component of the utility model is composed of the hook body welding component 300 and the installed card sleeve assembly component 200. The road-rail dual-purpose tractor equipped with the intermediate coupler assembly component can realize rapid coupling and traction operations by disassembling and assembling the card sleeve assembly component 200 and the semi-permanent traction rod assembly component 100 (with the coupler 330 removed).
[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A semi-permanent traction rod and trailer hook device for a road-rail vehicle, comprising a semi-permanent traction rod assembly component (100), characterized in that: The semi-permanent traction rod assembly component (100) comprises a hook body (101), a snap ring connector (102), an air duct joint (103), a rubber pad traction device (104) and a centering device (105), wherein snap ring connectors (102) are provided at both ends of the hook body (101), wherein one of the snap ring connectors (102) is snap-connected to the rubber pad traction device (104), and one side of the rubber pad traction device (104) is rotatably connected to the centering device (105).
2. A semi-permanent traction rod and trailer hook device for a road-rail vehicle according to claim 1, characterized in that: One end of the semi-permanent traction rod assembly component (100) is connected to an intermediate coupler assembly component, the intermediate coupler assembly component comprises a clamping assembly component (200) and a hook body welding assembly component (300), and the hook body (101) is clamped with the hook body welding assembly component (300) via the clamping assembly component (200).
3. The semi-permanent traction rod and trailer hook device for a road-rail vehicle according to claim 2, characterized in that: The ferrule assembly component (200) comprises a ferrule plate B (201), a ferrule plate A (202), a live bolt (203), a hexagonal flange locking nut (204), a 12-axis elastic retaining ring (205), an 18-axis elastic retaining ring (206), a small pin (207) and a pin (208); one end of the ferrule plate B (201) is hinged to one end of the ferrule plate A (202) via the pin (208); One end of the pin shaft (208) is provided with an 18-axis elastic retaining ring (206), the other end of the clamping plate A (202) is hinged with a movable bolt (203) through a small pin shaft (207), and one end of the small pin shaft (207) is provided with a 12-axis elastic retaining ring (205), one end of the movable bolt (203) is placed in a slot at the other end of the clamping plate B (201) and is locked by a hexagonal flange locking nut (204).
4. The semi-permanent traction rod and trailer hook device for a road-rail vehicle according to claim 2, characterized in that: The hook body welding component (300) comprises a connecting plate (301), a connecting pipe (302) and a coupler bottom plate (303), and the connecting plate (301) and the coupler bottom plate (303) are respectively fixedly provided at both ends of the connecting pipe (302).
5. The semi-permanent traction rod and trailer hook device for a road-rail vehicle according to claim 4, characterized in that: The connecting disk (301) is snap-connected with the hook body (101) via a snap-fit assembly (200).
6. The semi-permanent traction rod and trailer hook device for a road-rail vehicle according to claim 1, characterized in that: A duct joint (103) is installed at the bottom of the other clamping ring connecting piece (102), and one side of the other clamping ring connecting piece (102) is clamped with the vehicle coupler (330).