Electric transportation rail flat car

Abstract

The utility model discloses an electric transportation rail flat car which comprises a flat car frame and a wheel assembly. A cab is arranged at the head of the flat car frame, a wheel assembly is arranged at the bottom of the flat car frame, and the wheel assembly comprises a steering module, a wheel module, a brake module, a damping and buffering module and a driving module; the steering module comprises a rotating stand and a rotating table; each wheel module comprises a track wheel, a wheel shaft, a sliding block and a wheel seat; the vibration damping and buffering module comprises a first spring and a second spring; the brake module comprises a brake shoe, a transmission part and a driving part; the driving module comprises a motor, a speed reducer and a battery pack. According to the device, the first spring is arranged between the rotating frame and the flat car frame, and the second spring is arranged between the sliding block and the rotating frame, so that the good damping and buffering effects are achieved during driving and steering, and transported objects on the flat car frame are not prone to being damaged due to impact; the brake module is arranged, so that driving is safer; the device is electrically driven by a battery and a motor, thereby being more energy-saving and environment-friendly.

Description

Technical Field

[0001] The utility model relates to the field of rail flatbed vehicles, in particular to an electric transport rail flatbed vehicle. Background Art

[0002] In the construction of rail transit such as railways and subways, rail flatbed trucks are commonly used to transport equipment and items. Conventional rail flatbed trucks have the following disadvantages: 1. The fuel engine is used to drive the device to move, and the exhaust gas will pollute the environment, especially when used in tunnels, it will cause greater air pollution; 2. The vibration reduction and buffering effect is poor. Even if most rail flatbed trucks have vibration reduction, they are mostly concentrated on vertical vibration reduction. However, when the rail flatbed truck turns, its steering mechanism and the frame itself also need vibration reduction, otherwise it is easy to cause the steering mechanism to turn unsteadily and collide with the frame itself. Therefore, optimization and improvement are needed. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, one purpose of the utility model is to provide an electric transport rail flatbed vehicle.

[0004] The technical solution of the utility model is as follows: an electric transport rail flatbed vehicle, characterized in that it comprises: a flatbed vehicle frame and a wheel assembly;

[0005] A cab is provided at the front of the flatbed frame, and a plurality of wheel assemblies are provided at the bottom of the flatbed frame and are arranged at intervals in the front-rear direction, wherein the wheel assembly includes a steering module, a wheel module, a brake module, a vibration damping and buffering module, and a drive module;

[0006] The steering module includes a rotating frame and a rotating table, the rotating frame is provided with a horizontally rotatable rotating table, and the rotating table is fixedly connected to the flatbed frame;

[0007] The wheel module comprises a track wheel, a wheel axle, a slider and a wheel seat, wherein the track wheel, the slider and the wheel seat are respectively arranged at two axial ends of the wheel axle, the track wheel is fixedly connected to the wheel axle, the slider is located at the outer side of the track wheel and is rotatably connected to the track wheel, the slider is slidably mounted on the wheel seat up and down, and the wheel seat is fixedly arranged below the rotating frame;

[0008] The vibration damping and buffering module comprises a first spring and a second spring, a horizontal first spring is respectively arranged between the left side of the rotating frame and the left side of the flatbed frame, and between the right side of the rotating frame and the right side of the flatbed frame, and a vertical second spring is arranged between the slider and the rotating frame;

[0009] The brake module comprises a brake shoe, a transmission member and a driving member, wherein the brake shoe is arranged on a radial side of the track wheel, and the driving member is connected to the brake shoe through the transmission member to drive the brake shoe to hold or release the track wheel;

[0010] The driving module includes a motor, a reducer and a battery pack, wherein the battery pack is connected to the motor, the motor is connected to the reducer, and the reducer is connected to the wheel axle.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The device as a whole has a good vibration reduction and buffering effect. A first spring is provided between the rotating frame and the flatbed frame, so that when the rail flatbed car turns, it can play a vibration reduction and buffering role, making the rotating frame turn more smoothly and avoiding collision between the rotating frame and the flatbed frame. A second spring is provided between the slider and the rotating frame, so that when the rail flatbed car rises and falls along the track, the second spring can reduce the vertical impact on the flatbed frame, so that the transported items on the flatbed frame are not easily damaged;

[0013] 2. Equipped with a brake module, the drive element drives the brake shoe to hold or release the track wheel, which can realize automatic braking and make driving safer;

[0014] 3. This device uses batteries and motors for power drive, which is more energy-saving and environmentally friendly.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] 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 prior art descriptions are 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 creative work:

[0017] Figure 1 It is an overall schematic diagram of the utility model;

[0018] Figure 2 It is an overall schematic diagram of the utility model;

[0019] Figure 3 It is a schematic diagram of the wheel assembly part of the utility model;

[0020] Figure 4 It is an exploded view of the wheel assembly part of the utility model;

[0021] Figure 5 It is a schematic diagram of the brake module part of the utility model;

[0022] Figure 6 It is an exploded view of the wheel assembly part of the utility model.

[0023] Reference numerals:

[0024] 1. Flatbed frame; 12. Cab; 13. Extension coupler; 14. I-shaped steel frame; 15. Limit sleeve;

[0025] 2. Wheel assembly;

[0026] 3. Steering module; 31. Rotating frame; 32. Turntable; 33. Channel steel frame; 34. Spring seat; 35. First limiting boss;

[0027] 4. wheel module; 41. track wheel; 42. wheel axle; 43. slider; 44. wheel seat; 45. second limiting boss; 46. limiting plate;

[0028] 5. Vibration damping and buffering module; 51. First spring; 52. Second spring;

[0029] 6. Brake module; 61. Brake shoe; 62. Swing arm; 63. First support; 64. Second support; 65. Hydraulic cylinder;

[0030] 7. Drive module; 71. Motor; 72. Reducer; 73. Battery pack. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "vertical", "circumferential" 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 invention and simplifying the description, and do not indicate or imply 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 invention.

[0033] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In the description of the present utility model, "first feature" and "second feature" may include one or more of the features. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0035] like Figure 1-Figure 6 An electric transport rail flatbed vehicle shown includes a flatbed vehicle frame 1 and a wheel assembly 2.

[0036] like Figure 1 and Figure 2 As shown, a cab 12 is provided at the front of the flatbed frame 1, and a plurality of wheel assemblies 2 arranged at intervals along the front-to-back direction are provided at the bottom of the flatbed frame 1. The wheel assembly 2 includes a steering module 3, a wheel module 4, a brake module 6, a shock absorbing and buffering module 5 and a drive module 7.

[0037] like Figure 3 and Figure 4 As shown, the steering module 3 includes a rotating frame 31 and a rotating table 32. The rotating frame 31 is provided with a horizontally rotatable rotating table 32, and the rotating table 32 is fixedly connected to the flat frame 1. In practical applications, a bearing is provided between the rotating table 32 and the rotating frame 31, so that the rotating table 32 can be rotated, so that the rotating frame 31 and the flat frame 1 can rotate relative to each other at a certain angle.

[0038] The wheel module 4 includes a track wheel 41, a wheel axle 42, a slider 43 and a wheel seat 44. The track wheel 41, the slider 43 and the wheel seat 44 are respectively provided at the axial ends of the wheel axle 42. The track wheel 41 is fixedly connected to the wheel axle 42. The slider 43 is located outside the track wheel 41 and is rotatably connected to the track wheel 41. The slider 43 is slidably mounted on the wheel seat 44 up and down. The wheel seat 44 is fixedly arranged below the rotating frame 31. In practical applications, each wheel module 4 of the device is provided with two sets of front and rear wheel axles 42, with a total of four track wheels 41.

[0039] The vibration reduction and buffering module 5 includes a first spring 51 and a second spring 52. A horizontal first spring 51 is provided between the left side of the rotating frame 31 and the left side of the flatbed frame 1, and between the right side of the rotating frame 31 and the right side of the flatbed frame 1, respectively. A vertical second spring 52 is provided between the slider 43 and the rotating frame 31. The first spring 51 can play a vibration reduction and buffering role between the rotating frame 31 and the flatbed frame 1 when the track flatbed vehicle turns left and right along the track, and the second spring 52 can play a vibration reduction and buffering role between the track wheel 41 and the rotating frame 31 when the track flatbed vehicle rises and falls along the track.

[0040] The brake module 6 includes a brake shoe 61, a transmission member and a drive member. The brake shoe 61 is arranged on one radial side of the track wheel 41. The drive member is connected to the brake shoe 61 through the transmission member to drive the brake shoe 61 to hold or release the track wheel 41, thereby realizing automatic braking.

[0041] The driving module 7 includes a motor 71, a reducer 72 and a battery pack 73. The battery pack 73 is connected to the motor 71, the motor 71 is connected to the reducer 72, and the reducer 72 is connected to the axle 42. That is, the device is electrically driven and is relatively environmentally friendly.

[0042] The device is mainly used for transporting articles along the track, the articles are placed on the flat frame 1, and the driver drives in the cab 12 at the front of the vehicle. After the motor 71 drives the wheel axle 42 and the track wheel 41 to rotate through the reducer 72, the device can travel along the track.

[0043] In further settings, such as Figure 1 and Figure 2 As shown, the rear of the flatbed frame 1 is provided with an expansion hook 13, so that more frames can be mounted according to transportation needs.

[0044] like Figure 3 As shown, an I-shaped steel frame 14 is provided on the left and right sides of the flatbed frame 1, a limiting sleeve 15 is provided on the inner side of the I-shaped steel frame 14, and a spring seat 34 is provided on the left and right sides of the rotating frame 31. One end of the first spring 51 is embedded in the limiting sleeve 15, and the other end abuts against the spring seat 34, thereby effectively limiting the first spring 51.

[0045] like Figure 4-Figure 6As shown, the left and right sides of the rotating frame 31 are respectively provided with a downwardly open channel steel frame 33, the interior of the channel steel frame 33 is provided with a first limiting protrusion 35, the slider 43 is provided with a second limiting protrusion 45, the upper end of the second spring 52 is sleeved on the first limiting protrusion 35, and the lower end is sleeved on the second limiting protrusion 45, thereby effectively limiting the second spring 52. In addition, limiting plates 46 are respectively provided on both radial sides of the second spring 52, and the limiting plates 46 are fixedly connected to the wheel seat 44, and the limiting plates 46 on both sides can prevent the second spring 52 from deflecting.

[0046] like Figure 5 As shown, brake shoes 61 and transmission members are respectively provided on both radial sides of the track wheel 41, and the transmission member includes a swing arm 62, a first support 63 and a second support 64. The first support 63 is fixedly connected to the rotating frame 31, the swing arm 62 is hinged on the first support 63 so as to be able to swing left and right, and a second support 64 is fixedly provided on the swing arm 62. The brake shoe 61 is hinged on the second support 64 so as to be able to swing up and down. The driving member is a retractable hydraulic cylinder 65, one end of the hydraulic cylinder 65 is hinged to the swing arm 62 on one radial side of the track wheel 41, and the other end is hinged to the swing arm 62 on the other radial side of the track wheel 41.

[0047] Therefore, when the hydraulic cylinder 65 is extended and retracted, the swing arm 62 can be driven to swing, so that the brake shoe 61 can hold or release the track wheel 41, and the brake shoe 61 here can swing up and down relative to the swing arm 62, so that when holding the track wheel 41, it can swing a certain amplitude under the inertia of the track wheel 41, which can effectively prevent the track wheel 41 from being locked and ensure the braking effect. The bottom of the flatbed frame 1 is also equipped with a hydraulic system for driving the hydraulic cylinder 65 to work, which is a conventional technology and will not be repeated.

[0048] The device has the following structural features:

[0049] 1. The device as a whole has a good vibration reduction and buffering effect. A first spring 51 is provided between the rotating frame 31 and the flatbed frame 1, so that when the rail flatbed vehicle turns, it can play a vibration reduction and buffering role, making the rotating frame 31 turn more smoothly and avoiding the collision between the rotating frame 31 and the flatbed frame 1. A second spring 52 is provided between the slider 43 and the rotating frame 31, so that when the rail flatbed vehicle rises and falls along the track, the second spring 52 can reduce the vertical impact on the flatbed frame 1, so that the transported items on the flatbed frame 1 are not easily damaged;

[0050] 2. A brake module 6 is provided, which drives the brake shoe 61 to hold or release the track wheel 41 through the driving member, so as to realize automatic braking and make driving safer;

[0051] 3. The device is powered by batteries and motor 71, which is more energy-saving and environmentally friendly.

[0052] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An electric transport rail flatbed vehicle, characterized in that: include: Flatbed frame and wheel assembly; A cab is provided at the front of the flatbed frame, and a plurality of wheel assemblies are provided at the bottom of the flatbed frame and are arranged at intervals in the front-rear direction, wherein the wheel assembly includes a steering module, a wheel module, a brake module, a vibration damping and buffering module, and a drive module; The steering module includes a rotating frame and a rotating table, the rotating frame is provided with a horizontally rotatable rotating table, and the rotating table is fixedly connected to the flatbed frame; The wheel module comprises a track wheel, a wheel axle, a slider and a wheel seat, wherein the track wheel, the slider and the wheel seat are respectively arranged at two axial ends of the wheel axle, the track wheel is fixedly connected to the wheel axle, the slider is located at the outer side of the track wheel and is rotatably connected to the track wheel, the slider is slidably mounted on the wheel seat up and down, and the wheel seat is fixedly arranged below the rotating frame; The vibration damping and buffering module comprises a first spring and a second spring, a horizontal first spring is respectively arranged between the left side of the rotating frame and the left side of the flatbed frame, and between the right side of the rotating frame and the right side of the flatbed frame, and a vertical second spring is arranged between the slider and the rotating frame; The brake module comprises a brake shoe, a transmission member and a driving member, wherein the brake shoe is arranged on a radial side of the track wheel, and the driving member is connected to the brake shoe through the transmission member to drive the brake shoe to hold or release the track wheel; The driving module includes a motor, a reducer and a battery pack, wherein the battery pack is connected to the motor, the motor is connected to the reducer, and the reducer is connected to the wheel axle.

2. The electric transport rail flatbed vehicle according to claim 1, characterized in that: An expansion hook is provided at the rear of the flatbed frame.

3. The electric transport rail flatbed vehicle according to claim 1, characterized in that: The left and right sides of the flatbed frame are respectively provided with I-shaped steel frames, the inner side of the I-shaped steel frames is provided with limiting sleeves, the left and right sides of the rotating frame are respectively provided with spring seats, one end of the first spring is embedded in the limiting sleeve, and the other end rests on the spring seat.

4. The electric transport rail flatbed vehicle according to claim 1, characterized in that: A downwardly open channel steel frame is respectively provided on the left and right sides of the rotating frame, a first limiting boss is provided inside the channel steel frame, a second limiting boss is provided on the sliding block, the upper end of the second spring is sleeved on the first limiting boss, and the lower end is sleeved on the second limiting boss.

5. The electric transport rail flatbed vehicle according to claim 4, characterized in that: Limiting plates are respectively provided on both radial sides of the second spring, and the limiting plates are fixedly connected to the wheel seat.

6. The electric transport rail flatbed vehicle according to claim 1, characterized in that: The brake shoe and the transmission member are respectively provided on the radial sides of the rail wheel, and the transmission member includes a swing arm, a first support and a second support. The first support is fixedly connected to the rotating frame, and the swing arm is hinged on the first support so as to be able to swing left and right. The second support is fixedly provided on the swing arm, and the brake shoe is hinged on the second support so as to be able to swing up and down. The driving member is a retractable hydraulic cylinder, one end of the hydraulic cylinder is hinged to the swing arm on one radial side of the rail wheel, and the other end is hinged to the swing arm on the other radial side of the rail wheel.

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