Lifting traction device of traction vehicle hook for road-rail vehicle

Abstract

The utility model provides a lifting traction device of a traction vehicle hook for a road-rail vehicle. The lifting traction device comprises a sliding seat assembly, a lead screw assembly and a base installing and welding structure. The sliding seat assembly is connected with the lead screw assembly in a sliding mode. The lead screw assembly is sleeved with the base installing and welding structure. The lead screw assembly is fixedly connected with the base installing and welding structure. The sliding seat assembly moves up and down in the base installing and welding structure through the lead screw assembly. The base installing and welding structure is fixedly connected with a vehicle body of the road-rail vehicle. According to the highway-railway tractor for the lifting traction device provided with the tractor hook, rapid coupling and traction operation of railway vehicles can be realized, and safe, rapid and effective coupling of the highway and railway dual-purpose vehicles and railway operation vehicles is ensured.

Description

Technical Field

[0001] The invention belongs to the technical field of traction and shunting equipment, and in particular relates to a lifting and traction device for a traction hook for a road-rail vehicle. Background Art

[0002] At present, the coupler adapters of railway operating vehicles have different heights, and the road-rail vehicles need to have a height adjustment function so that the two couplers can have a better connection effect.

[0003] On the other hand, the driving wheels of the road-rail vehicle will wear out after a long period of use, which will cause the height of the coupler adapter of the road-rail vehicle to decrease to varying degrees.

[0004] The road-rail vehicles purchased by railway operators 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 railway operating vehicles automatically coupled with the road-rail vehicles to ensure the use of traction and shunting operations of railway operating vehicles, and pursue safe, mature and reliable coupling devices has become the first choice for the design of road-rail vehicles. The current coupler adapters of road-rail vehicles do not have an automatic height adjustment function, and cannot better meet the different height requirements of coupling operations of railway operating vehicles. Utility Model Content

[0005] In order to solve the problem of automatically adjusting the height of the coupler adapter of road and rail vehicles according to the different heights of the couplers of operating vehicles, and to achieve the above purpose, the technical solution adopted by the utility model is: a lifting and traction device for a traction coupler for road and rail vehicles, comprising a sliding seat assembly, a screw assembly and a base welding structure; the sliding seat assembly is slidably connected to the screw assembly; the base welding structure is arranged outside the screw assembly; the screw assembly is fixedly connected to the base welding structure; the sliding seat assembly moves up and down in the base welding structure through the screw assembly; the base welding structure is fixedly connected to the body of the road and rail vehicle.

[0006] Furthermore, the sliding seat assembly includes a coupler seat, a nut cage, a vertical plate and a pin; one end of the vertical plate is hinged to the coupler seat through the pin; and the nut cage is arranged at the other end of the vertical plate.

[0007] Furthermore, it also includes a rubber nut, a baffle and a guide wheel; the guide wheel is arranged near the side of the nut cage; the rubber nut is arranged on the side of the vertical plate near the pin shaft; and the baffle is arranged at one end of the vertical plate near the rubber nut.

[0008] Furthermore, the guide wheels include one group or two groups.

[0009] Furthermore, the lead screw assembly comprises a motor, a lead screw and a nut; the motor is key-connected to the lead screw; the lead screw penetrates the nut; the lead screw is driven by the motor to move the nut up and down.

[0010] Furthermore, it also includes a bearing lower seat, a bearing upper seat and an elastic pin shaft; two bearings are arranged in the bearing upper seat and the bearing lower seat; the screw passes through the two bearings and is connected to the motor; the bearing upper seat is fixedly connected to the screw through the elastic pin shaft; the motor drives the screw to drive the bearing upper seat and the two bearings to rotate together; the bearing lower seat is arranged at one end of the bearing upper seat away from the elastic pin shaft.

[0011] Furthermore, the nut cage is plugged and fixed to the nut.

[0012] Furthermore, the base welding structure includes a lower sealing plate, a slide plate, a side plate, a rear sealing plate and an upper sealing plate; one end of the two side plates is connected to the upper sealing plate by bolts, and the other end is welded to the lower sealing plate; a through hole is opened on the upper sealing plate; a through hole is opened on the lower sealing plate; the through hole of the upper sealing plate and the through hole of the lower sealing plate are coaxial; four slide plates are respectively arranged on the inner sides of the two side plates; the four slide plates are grouped into two to form a slide; the rear sealing plate is welded between the two side plates away from the slide.

[0013] Furthermore, it also includes a base plate and a top plate; the top plate is welded to the through hole of the upper sealing plate; the base plate is connected to the top plate by bolts; a through hole is provided on the base plate; the through hole of the base plate is coaxial with the through hole of the upper sealing plate.

[0014] Furthermore, the lower seat of the bearing is connected to the upper sealing plate; the upper end of the lead screw passes through the through hole of the upper sealing plate and the through hole of the anchor plate, and is connected to the motor drive; the motor is connected to the anchor plate by bolts; the lower end of the lead screw passes through the through hole of the lower sealing plate and is fixedly connected to the lower sealing plate; the motor drives the lead screw and the nut to drive the guide wheel to slide up and down in the slideway.

[0015] The beneficial effects of the utility model are:

[0016] 1. Automatically adjust the height of the coupler adapter for road and rail vehicles according to the different heights of the couplers of the operating vehicles;

[0017] 2. The coupler adapter for road and rail vehicles can realize fast coupling operation on the basis of ensuring versatility, reliability and safety;

[0018] 3. The designed automatic lifting and traction device for road and rail vehicles is more concise and effective. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural schematic diagram of an automatic lifting and lowering traction device for a traction hook used in a road-rail vehicle;

[0020] Figure 2 This is a schematic diagram of the internal structure of the automatic lifting and lowering traction device of the traction hook for road and railway vehicles;

[0021] Figure 3 It is a structural schematic diagram of a sliding seat;

[0022] Figure 4 It is a structural schematic diagram of the screw assembly;

[0023] Figure 5 The structural diagram of the base welding structure Figure 1 ;

[0024] Figure 6 The structural diagram of the base welding structure Figure 2 .

[0025] In the figure: 100, sliding seat, 101, hook seat, 102, rubber drum, 103, baffle, 104, guide wheel, 105, nut cage, 106, vertical plate, 107, pin, 200, screw assembly, 201, motor, 205, screw, 206, nut, 207, bearing lower seat, 208, bearing upper seat, 209, elastic pin, 300, base welding structure, 301, lower sealing plate, 302, slide plate, 303, side plate, 304, rear sealing plate, 305, upper sealing plate, 306, anchor plate, 307, top plate. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0027] Combination Figure 1 As shown, the utility model is a lifting and traction device for a traction hook for a road-rail vehicle, comprising a sliding seat 100 assembly, a screw assembly 200 and a base welding structure 300; the sliding seat 100 assembly is slidably connected to the screw assembly 200; the base welding structure 300 is arranged outside the screw assembly 200; the screw assembly 200 is fixedly connected to the base welding structure 300; the sliding seat 100 assembly moves up and down in the base welding structure 300 through the screw assembly 200; the base welding structure 300 is fixedly connected to the body of the road-rail vehicle.

[0028] Furthermore, the sliding seat 100 assembly includes a coupler seat 101, a nut cage 105, a vertical plate 106 and a pin 107; one end of the vertical plate 106 is hingedly connected to the coupler seat 101 through the pin 107; and the nut cage 105 is provided at the other end of the vertical plate 106.

[0029] Furthermore, it also includes a rubber nut 102, a baffle 103 and a guide wheel 104; the guide wheel 104 is arranged near the nut cage 105; the rubber nut 102 is arranged near the pin 107 of the vertical plate 106; and the baffle 103 is arranged at one end of the vertical plate 106 near the rubber nut 102.

[0030] Furthermore, the guide wheels 104 include one group or two groups.

[0031] It should be noted that the sliding seat 100 is driven by the motor 201 and drives the nut to move up and down by rotating the lead screw, thereby achieving the height adjustment of the coupler. The interface of the coupler seat 101 meets the connection accuracy requirements of the coupler interface size of railway operating vehicles.

[0032] Furthermore, the lead screw assembly 200 includes a motor 201 , a lead screw 205 and a nut 206 ; the motor 201 is key-connected with the lead screw 205 ; the lead screw 205 is penetrated by the nut 206 ; the lead screw 205 is driven by the motor 201 to move the nut 206 up and down.

[0033] Furthermore, it also includes a bearing lower seat 207, a bearing upper seat 208 and an elastic pin shaft 209; two bearings are arranged in the bearing upper seat 207 and the bearing lower seat 208; the screw 205 passes through the two bearings and is connected to the motor 201; the bearing upper seat 207 is fixedly connected to the screw 205 through the elastic pin shaft 209; the motor 201 drives the screw 205 to drive the bearing upper seat 208 and the two bearings to rotate together; the bearing lower seat 207 is arranged at one end of the bearing upper seat 208 away from the elastic pin shaft 209.

[0034] Furthermore, the nut cage 105 and the nut 206 are plugged and fixed.

[0035] It should be noted that, in the lead screw assembly 200 , the motor 201 is installed on the upper end of the lead screw, the lead screw 205 is fixed to the bearing upper seat 208 via an elastic pin 209 , and the nut transmits power to the sliding seat 100 via the nut cage 105 .

[0036] Furthermore, the base welding structure 300 includes a lower sealing plate 301, a slide plate 302, a side plate 303, a rear sealing plate 304 and an upper sealing plate 305 which are welded together; one end of the two side plates 303 is connected to the upper sealing plate 305 by bolts, and the other end is welded to the lower sealing plate 301; a through hole is provided on the upper sealing plate 305; a through hole is provided on the lower sealing plate 301; the through hole of the upper sealing plate 305 and the through hole of the lower sealing plate 301 are coaxial; four slide plates 302 are respectively arranged on the inner sides of the two side plates 303; the four slide plates 302 form a slideway in a group of two; the rear sealing plate 304 is welded between the two side plates 303 away from the slideway; the side plates 303 and the bottom plate 301 are welded to the road-rail dual-purpose tractor.

[0037] Furthermore, it also includes a ground plate 306 and a top plate 307; the top plate 307 is welded to the through hole of the upper sealing plate 305; the ground plate 306 is connected to the top plate 307 by bolts; a through hole is opened on the ground plate 306; the through hole of the ground plate 306 is coaxial with the through hole of the upper sealing plate 305.

[0038] It should be noted that the base assembly welding structure 300 is welded to the traction end of the road-rail tractor to provide support for the motor 201 and the lead screw 205, ensuring the safe, fast and effective coupling of road-rail vehicles and railway operating vehicles.

[0039] The automatic lifting hook device is suitable for road and rail dual-purpose vehicles and subway passenger vehicles to achieve rapid coupling and traction operations. The base assembly welding structure 300 is welded to the body of the road and rail vehicle.

[0040] Furthermore, the lower seat of the bearing is connected to the upper sealing plate; the upper end of the lead screw 205 passes through the through hole of the upper sealing plate 305 and the through hole of the anchor plate 306, and is connected to the motor 201 drive; the motor 201 is connected to the anchor plate 306 by bolts; the lower end of the lead screw 205 passes through the through hole of the lower sealing plate 301 and is fixedly connected to the lower sealing plate 301; the motor 201 drives the lead screw 205 and the nut 206 to drive the guide wheel 104 to slide up and down in the slideway.

[0041] It should be noted that it is composed of a sliding seat 100, a lead screw assembly 200 and a base assembly welding structure 300. The coupler seat 101 on the sliding seat 100100 can be equipped with different types of couplers to achieve fast coupling and traction operations.

[0042] 1. The sliding seat 100 is an assembly component. It is mainly composed of a coupler seat 101, a rubber nut 102, a baffle 103, a guide wheel 104, a nut cage 105, a vertical plate 106, and a pin 107. The coupler seat 101 and the vertical plate 106 are hingedly connected by a pin 107; the coupler seat 101 is bolted to the rubber nut 102 to adjust the horizontality of the coupler, and has a buffering operation during traction; the nut cage 105 is welded to the vertical plate 106, and is driven by the nut 206 to rise or fall; the four guide wheels 104 are placed in a slideway composed of four slideway plates 302 welded together.

[0043] 2. The lead screw assembly 200 is an assembly component, mainly composed of a motor 201, a lead screw 205, a screw nut 206, a bearing lower seat 207, a bearing upper seat 208, and an elastic pin 209. The motor 201 is a hollow shaft keyed to the lead screw 205; the upper side of the anchor plate 306 is bolted to the motor 201, and the lower side is bolted to the top plate 307; the top plate and the upper sealing plate are welded; the upper sealing plate is bolted to the base assembly welding structure 300; the bearing upper seat 208 is fixed to the lead screw 205 through the elastic pin 209.

[0044] 3. The base assembly welding structure 300 is a welded structural part, mainly composed of a bottom plate 301, a slide plate 302, a side plate 303, a rear cover plate 304, a base plate 306, a top plate 307 and an upper cover plate 305. The four slide plates 302 and the two side plates 303 are divided into two groups, which are first welded and then processed to form a slideway; the interface size and processing accuracy of the four slide plates 302 are consistent, which is convenient for the sliding seat 100 to slide up and down.

[0045] Those skilled in the art will readily come up with other embodiments of the present invention after considering the specification and practicing the utility model disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present invention, which follow the general principles of the present invention and include common knowledge or customary technical means in the art that are not disclosed in the present invention. The specification and examples are to be considered as exemplary only, and the true scope and spirit of the present invention are indicated by the following claims.

[0046] It should be understood that the present invention is not limited to the precise structure described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. A lifting and traction device for a traction hook for a road-rail vehicle, characterized in that: It includes a sliding seat assembly, a screw assembly and a base welding structure; the sliding seat assembly is slidably connected to the screw assembly; the base welding structure is arranged outside the screw assembly; the screw assembly is fixedly connected to the base welding structure; the sliding seat assembly moves up and down in the base welding structure through the screw assembly; the base welding structure is fixedly connected to the body of the road-rail vehicle.

2. The lifting and traction device of the traction hook for road-rail vehicles according to claim 1 is characterized in that: The sliding seat assembly comprises a coupler seat, a nut cage, a vertical plate and a pin shaft; one end of the vertical plate is hingedly connected to the coupler seat through the pin shaft; and the nut cage is arranged at the other end of the vertical plate.

3. The lifting and traction device of the traction hook for road-rail vehicles according to claim 2 is characterized in that: It also includes a rubber nut, a baffle and a guide wheel; the guide wheel is arranged near the side of the nut cage; the rubber nut is arranged on the side of the vertical plate near the pin shaft; and the baffle is arranged at one end of the vertical plate near the rubber nut.

4. The lifting and traction device of the traction hook for road-rail vehicles according to claim 3 is characterized in that: The guide wheels include one group or two groups.

5. A lifting and traction device for a traction hook for a road-rail vehicle according to any one of claims 2 to 4, characterized in that: The lead screw assembly comprises a motor, a lead screw and a nut; the motor is key-connected with the lead screw; the lead screw penetrates the nut; the lead screw is driven by the motor to move the nut up and down.

6. The lifting and traction device of the traction hook for road-rail vehicles according to claim 5, characterized in that: It also includes a bearing lower seat, a bearing upper seat and an elastic pin shaft; two bearings are arranged in the bearing upper seat and the bearing lower seat; the lead screw passes through the two bearings and is connected to the motor; the bearing upper seat is fixedly connected to the lead screw through the elastic pin shaft; the motor drives the lead screw to drive the bearing upper seat and the two bearings to rotate together; a bearing lower seat is arranged on one end of the bearing upper seat away from the elastic pin shaft.

7. The lifting and traction device of the traction hook for road-rail vehicles according to claim 6 is characterized in that: The nut cage is plugged and fixed with the nut.

8. The lifting and traction device of the traction hook for road-rail vehicles according to claim 7 is characterized in that: The base welding structure includes a lower sealing plate, a slide plate, a side plate, a rear sealing plate and an upper sealing plate; one end of the two side plates is connected to the upper sealing plate by bolts, and the other end is welded to the lower sealing plate; a through hole is opened on the upper sealing plate; a through hole is opened on the lower sealing plate; the through hole of the upper sealing plate and the through hole of the lower sealing plate are coaxial; four slide plates are respectively arranged on the inner sides of the two side plates; the four slide plates are grouped into two to form a slide; the rear sealing plate is welded between the two side plates away from the slide.

9. The lifting and traction device of a traction hook for a road-rail vehicle according to claim 8, characterized in that: It also includes a base plate and a top plate; the top plate is welded to the through hole of the upper sealing plate; the base plate is connected to the top plate by bolts; a through hole is provided on the base plate; the through hole of the base plate is coaxial with the through hole of the upper sealing plate.

10. The lifting and traction device of a traction hook for a road-rail vehicle according to claim 9, characterized in that: The lower seat of the bearing is connected to the upper sealing plate; the upper end of the lead screw passes through the through hole of the upper sealing plate and the through hole of the anchor plate, and is connected to the motor drive; the motor is connected to the anchor plate by bolts; the lower end of the lead screw passes through the through hole of the lower sealing plate and is fixedly connected to the lower sealing plate; the motor drives the lead screw and the nut to drive the guide wheel to slide up and down in the slideway.

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