CN206107244U - A walking device for medium and low speed magnetic levitation F rail detection - Google Patents

Abstract

The utility model discloses a walking device for medium and low speed magnetic levitation F rail detection, which comprises a frame and a folding and bending mechanism. Between the two F rails of the maglev train; the folding and bending mechanism is provided with two groups, which are respectively arranged at the two ends of the frame and above the F rail, and each group of the folding and bending mechanism is provided with There are traveling wheel pairs and locking wheel pairs, wherein the traveling wheel pairs are in contact with the upper surface of the F rail and move along the upper surface of the F rail, and the locking wheel pairs are in contact with the inner surface of the F rail, And move along the inner side of the F rail. The utility model has the advantages of simple structure, small volume, light weight and the like.

Description

A walking device for medium and low speed magnetic levitation F rail detection

technical field

The utility model belongs to the field of magnetic levitation maintenance, and more particularly relates to a walking device for medium and low-speed magnetic levitation F rail detection.

Background technique

Maglev transportation is a low-noise and carbon-free transportation, and it is one of the important directions for future urban transportation development. The medium and low speed maglev technology uses the electromagnet installed on the car body and the F-shaped track to form a closed magnetic circuit with each other, and adjusts the excitation current of the electromagnet through the air gap sensor device, and adjusts the suction force between the electromagnet and the track (making the maglev The gap is kept at 8-10mm), so as to keep the distance between the electromagnet and the track stable and realize the stable suspension of the train.

The F-shaped rail with a special cross-sectional shape for medium and low-speed maglev is different from the "I"-shaped track of traditional wheel-rail transportation. The unique geometry of its cross-section makes the existing wheel-rail or high-speed maglev field running structure unable to adapt to the maglev field. Therefore the walking structure of existing I-shaped track or high-speed maglev train track is all difficult to be applicable to the F track detection usefulness of medium-low speed maglev train.

Utility model content

Aiming at the above defects or improvement needs of the prior art, the utility model provides a walking device, wherein in combination with the characteristics of the F rail of the medium and low speed magnetic levitation train itself, a walking device suitable for the detection of the medium and low speed magnetic levitation F rail is designed accordingly, and The research and design of its key components such as the frame, the structure of the folding and bending mechanism and its specific setting method can effectively solve the problem that the existing traveling device is difficult to apply to the F track detection of the medium and low speed maglev train. It has a simple structure, Convenient walking and other advantages.

In order to achieve the above object, the utility model proposes a walking device for medium and low speed magnetic levitation F rail detection, including a frame and a folding and bending mechanism, wherein:

The frame is used to install the folding and bending mechanism, which spans between the two F rails of the medium-low speed maglev train to be detected;

The folding and bending mechanism is provided with two groups, which are respectively arranged at both ends of the frame and located above the F rail, and each group of the folding and bending mechanism is provided with a traveling wheel pair and a locking wheel pair , wherein the traveling wheel pair is in contact with the upper surface of the F rail and moves along the upper surface of the F rail, and the locking wheel pair is in contact with the inner surface of the F rail and moves along the inner surface of the F rail .

As a further preference, each set of folding and bending mechanisms is provided with two sets of traveling wheel pairs and two sets of locking wheel pairs, and the two sets of traveling wheel pairs and two sets of locking wheel pairs are all along the Arrangement in the direction of extension.

As a further preference, the folding and bending mechanism includes a road wheel mounting plate and a locking wheel folding plate, the road wheel mounting plate is vertically arranged and installed on the frame, and the road wheel pair is installed on the walking wheel The bottom of the wheel mounting plate; the folding plate of the locking wheel is installed on the side of the traveling wheel mounting plate through the connecting bracket of the locking wheel, and is located on the side of the F rail, and the locking wheel is installed on the locking wheel Fold the bottom of the board and make contact with the inside side of the F-rail.

As a further preference, the traveling wheel pair includes a pair of traveling wheels, one of which is a driving wheel driven by a motor, and the other traveling wheel is a passive wheel driven by the driving wheel; the locking wheel pair It includes a pair of snap-in wheels, and the pair of snap-in wheels are passive wheels.

As a further preference, the traveling device is further provided with a distance measuring sensor, which is arranged on the frame and located between two F rails.

As a further preference, the distance measuring sensor is specifically an ultrasonic or infrared distance measuring sensor, which is arranged at the front and rear sides of the frame.

As a further preference, the traveling device further includes a driving unit, and the driving unit is arranged on the frame.

Generally speaking, compared with the prior art, the above technical solution conceived by the utility model mainly has the following technical advantages:

1. The utility model combines the structural characteristics of the F rail of the medium and low speed maglev train, and designs a walking mechanism suitable for the F rail of the medium and low speed maglev train. It has the characteristics of small size, light structure, easy to carry, etc. It can be used immediately after the rail is installed, and can be effectively used for the maintenance and safe operation of medium and low speed maglevs.

2. The folding and bending mechanism of the utility model has two groups, which are respectively arranged at both ends of the frame. When in use, the folding plate of the clamping wheel can be opened downward when the track falls to adopt the foldable inner-outward holding rail. This way realizes the reliable rail holding of the walking device. After use, it can be folded up to reduce the overall volume of the walking device. It is easy to carry and can work after falling off the rail.

3. Both the traveling wheel set and the clamping wheel set on the folding and bending mechanism of the utility model are designed as a double-wheel structure, which can effectively prevent the running device from bumping when it passes through the bolts connecting the F rail and the sleeper, and make the walking more stable.

4. The front and rear of the walking device of the utility model are equipped with distance measuring sensors. Through distance measurement, the walking device can automatically stop when encountering obstacles, and realize the anti-collision function of the walking device.

Description of drawings

Fig. 1 is the structural representation of the traveling device that the middle and low speed maglev F rail detection of the utility model embodiment is used;

Fig. 2 is the front view of the walking device used for the detection of the medium and low speed magnetic levitation F rail of the utility model embodiment;

Fig. 3 is a left view of the traveling device for the detection of the medium-low speed maglev F-rail according to the embodiment of the present invention.

detailed description

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute conflicts with each other.

As shown in Figure 1, a walking device for medium and low-speed magnetic levitation F rail detection provided by the embodiment of the present invention mainly includes a frame 9 and a folding and bending mechanism, wherein the frame 9 is used as a supporting mechanism for fixing The folding and bending mechanism is installed, and the folding and bending mechanism is used for installing the wheel set to realize the movement of the running gear on the F rail 4 . Through the mutual cooperation of the above-mentioned various mechanisms, the free walking of the traveling device on the F rail can be realized, and it has the advantages of simple structure, small volume and light weight.

Each mechanism and component will be explained and described in detail below.

As shown in Figure 1, the frame 9 is used as a supporting part for other components, it is horizontally arranged, and spans between the two F rails of the medium and low speed maglev train to be tested, and its arrangement direction is perpendicular to the extension direction of the F rail.

As shown in Figures 1-3, there are two groups of folding and bending mechanisms, which are respectively arranged at two ends of the frame. Specifically, each set of folding and bending mechanisms is provided with a pair of traveling wheels 3 and a pair of locking wheels 2 . Wherein, the road wheel pair 3 includes a pair of road wheels, which are in contact with the upper surface of the F rail and move along the upper surface of the F rail, wherein one of the road wheels is a driving wheel, and the driving wheel is a motor wheel, driven by a motor , the other walking wheel is a passive wheel, which is driven by the driving wheel for walking. The traveling wheel set is designed as a double-wheel structure, which can effectively prevent bumps when the traveling device passes through the bolts connecting the F rail and the sleeper, making the walking more stable. The locking wheel pair 2 includes a pair of locking wheels, which are in contact with the inner surface of the F rail and move along the inner surface of the F rail. The locking wheel pair can ensure that the walking device is folded inside out The way of holding the rail is to walk along the track, and it can provide the differential function at the curve. The card position wheel pair 2 is a passive wheel without power, which plays the role of card position, spacing and derailment prevention. When the traveling wheel pair 3 moves, it can drive the card position wheel pair 2 to move.

Further, in the embodiment of the present utility model, each group of folding and bending mechanisms is provided with two sets of traveling wheel pairs 3 and two sets of locking wheel pairs 2, so that the four traveling wheels in the two sets of traveling wheel pairs 3 are Arranged along the extending direction of the F rail, and can move along the F rail, so as to guide the movement of the traveling device reliably. Similarly, the four snapping wheels in the two sets of snapping wheel pairs 2 are arranged along the extension direction of the F rail, and move along the inner side of the F rail, so as to effectively ensure the stability and reliability of the movement of the traveling device. To prevent derailment of running gear.

Specifically, the folding and bending mechanism includes a road wheel mounting plate 8 and a locking wheel folding plate 1, wherein the road wheel mounting plate 8 is vertically arranged and installed on the frame 9, and the road wheel pair 3 is installed on the road wheel Below the mounting plate 8; the snap wheel folding plate 1 is installed on the side of the walking wheel mounting plate 8 through the snap wheel connecting bracket 7, and is positioned on the side of the F rail, and the snap wheel pair 2 is installed on The bottom of the folding plate 1 of the locking wheel is in contact with the inner surface of the F rail, that is, the locking wheel pair 2 is located between the inner surface below the folding plate 1 of the locking wheel and the inner surface of the F rail. When the folding and bending mechanism is not in use, the two sets of card positioning wheel folding plates 1 are folded upwards to reduce the overall volume of the walking device. inner side of the rail.

As a preferred embodiment, a distance measuring sensor 5 is also arranged on the walking device, and the distance measuring sensor 5 is arranged on the frame 9 and is located between two F rails, which is specifically ultrasonic or infrared distance measuring The sensors are arranged in an array, and the distance measuring sensors are arranged at the front and back of the walking device. Specifically, within the range of the safe distance, when the ranging sensor detects that there is an obstacle in the traveling route of the traveling device, it can make the traveling device stop, and the safety distance set according to the speed is different. The faster the speed, the farther the safety distance is. It can make the walking device stop automatically and safely when encountering obstacles, and realize the anti-collision function of the walking device.

Specifically, in order to realize the free driving of the walking device, it is also provided with a drive unit 6, which is used to drive the driving wheel movement of the traveling wheel pair 3, so as to drive the running device to move along the F rail, so as to realize the autonomous walking of the walking device , the drive unit 6 is mounted on the frame 9 . The driving unit 6 is provided with a navigation system, and the walking device can walk according to the planning of the navigation. It is mainly based on GPS and inertial navigation, with mileage calibration as the auxiliary navigation system. Certainly, the walking device of the present utility model can also adopt other control and drive methods to walk, for example, by manual operation, or by being connected with a remote control center through a cable to realize remote control and the like.

Those skilled in the art can easily understand that the above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and modifications made within the spirit and principles of the utility model Improvements and the like should all be included within the protection scope of the present utility model.

Claims (7)

1. a kind of running gear of middle low speed magnetic suspension F rail detections, it is characterised in that including frame (9) and fold bar folder Structure, wherein：

, for installing the folding bending mechanism, it is across in two F of middle low speed magnetic suspension train to be detected for the frame (9) Between rail；

The folding bending mechanism is provided with altogether two groups, and it is divided into the two ends of the frame (9), and positioned at the top of F rails, per group Road wheel is provided with the folding bending mechanism to (3) and screens wheel to (2), wherein road wheel is to (3) and the F rails Upper surface, and the upper surface along F rails moves, the screens wheel contacts to (2) with the medial surface of the F rails, and along F The medial surface movement of rail.

2. the running gear of low speed magnetic suspension F rail detections in as claimed in claim 1, it is characterised in that per group of folding Two groups of road wheels are provided with folded bending mechanism to (3) and two groups of screens wheels to (2), two groups of road wheels are to (3) and two groups of cards Bearing of trend of the position wheel to (2) each along the F rails is arranged.

3. the running gear of low speed magnetic suspension F rail detections in as claimed in claim 2, it is characterised in that the folding is curved Folding mechanism includes road wheel installing plate (8) and screens wheel folded sheet (1), and the road wheel installing plate (8) is vertically arranged and installs In the frame (9), the road wheel is to (3) installed in the lower section of the road wheel installing plate (8)；The screens wheel folded sheet (1) it is described by screens wheel connecting bracket (7) installed in the side of the road wheel installing plate (8), and positioned at the side of F rails Screens wheel, installed in the lower section of screens wheel folded sheet (1), and is contacted to (2) with the medial surface of the F rails.

4. the running gear of low speed magnetic suspension F rail detections in as claimed in claim 3, it is characterised in that the road wheel To (3) including a pair of road wheels, one of road wheel is drivewheel, and by Motor drive, another road wheel is follower, by The drivewheel drives walking；To (2) including a pair of screens wheels, a pair of screens wheels are follower to the screens wheel.

5. the running gear of low speed magnetic suspension F rail detections in as claimed in claim 4, it is characterised in that the walking dress Put and be additionally provided with distance measuring sensor (5), the distance measuring sensor (5) is located in the frame (9), and between two F rails.

6. the running gear of low speed magnetic suspension F rail detections in as claimed in claim 5, it is characterised in that the range finding is passed Sensor (5) is specially ultrasound wave or infrared distance sensor, and it is arranged in the side in front and back of the frame (9).

7. the running gear of low speed magnetic suspension F rail detections in as claimed in claim 6, it is characterised in that the walking dress Put and also include driver element (6), the driver element (6) is arranged in the frame (9).