Power type bogie based on box girder type base

Abstract

The utility model relates to the technical field of air rail transportation, in particular to a power type bogie based on a box girder type base. The power type bogie comprises a box girder type base, the box girder type base comprises a suspension gap located at the bottom and communicated with an inner cavity, first rails located on the two sides of the suspension gap are arranged at the bottom of the box girder type base, and an induction magnetic stator is fixedly arranged on the inner side of the top of the box girder type base. The bogie assembly comprises a bottom frame, a motor support arranged on the bottom frame and walking wheels arranged on the bottom frame; the top of the motor support is provided with a motor rotor having an induction gap with the induction magnetic stator, and the motor rotor is used for driving the bogie assembly to move under the action of magnetic force generated by the motor rotor and the induction magnetic stator. And the gap adjusting device is used for adjusting the size of the induction gap. A semi-closed base can be formed through the box girder type base, a bogie and other components are arranged in a box girder cavity, maintenance is convenient, the influence of weather is small, and the service life can be prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to air track transportation technical field, concretely refers to a power type bogie based on box girder type base. BACKGROUND

[0002] In the air track transportation system, the I-shaped track equipment is often exposed outside, is easily affected by the environment, and has the risk of foreign matter invasion, affecting the operation stability and safety.

[0003] Patent publication number "CN116461559A" discloses an air track system and container transportation system, including track system and container vehicle, the track system includes pier column and the track beam installed on the pier column, the track beam is equipped with track;Container vehicle is used for connecting the carrying unit, the container vehicle is equipped with wheel group, the wheel group can move along the track, so that the container vehicle transfers the carrying unit;Wherein, the container vehicle is driven through the linear motor, the stator of the linear motor is arranged at the bottom of the track beam, and the rotor of the linear motor is arranged on the container vehicle.The stator and rotor of the system are exposed outside, the track at the bottom side of the track beam is used for the movement of the safety wheel, and is also exposed outside, when the bottom side track and linear motor stator are overhauled and maintained, it is necessary to suspend in the high altitude operation, and it is inconvenient to move and maintain. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a power type bogie based on box girder type base, which is directly overhauled in the box type beam base by arranging the track, motor rotor and induction magnetic stator in the box girder type base, so that the problem of inconvenient maintenance of the air track transportation vehicle suspended in the high altitude operation is solved.

[0005] The technical scheme adopted by the utility model is: a power type bogie based on box girder type base, comprising,

[0006] The box girder type base comprises a suspension gap in the bottom communicating inner cavity, and the box girder type base bottom is provided with a first track on both sides of the suspension gap, and the top inner side is fixed with an induction magnetic stator;

[0007] The bogie assembly comprises a chassis, a motor support arranged on the chassis and a walking wheel arranged on the chassis and rolling against the first track;The motor support top is provided with a motor rotor having an induction gap with the induction magnetic stator, which is used for driving the bogie assembly to move along the first track by rotating the magnetic field and magnetically coupling with the induction magnetic stator;

[0008] The gap adjusting device is arranged on the bogie assembly for adjusting the size of the induction gap.

[0009] Further, the gap adjusting device comprises a plurality of telescopic buffer supports; the plurality of buffer supports are arranged on the chassis to support the motor support, and the height of the motor support is adjusted by telescopic adjustment to adjust the size of the induction gap.

[0010] Further, the gap adjusting device further comprises a limiting wheel arranged on the top of the motor support, which is used to roll against the inner top wall of the box girder type base to limit the minimum value of the induction gap.

[0011] Further, the buffer support comprises a buffer spring and / or a vertical damper.

[0012] Further, the motor support is provided with a distance sensor for detecting the size of the induction gap.

[0013] Further, a controller is further included for adjusting the size of the induction gap by controlling the telescopic adjustment of the buffer support according to the induction gap size detected by the distance sensor; that is, the buffer support is elongated to make the induction gap size within the set range when the induction gap size is greater than the set range.

[0014] Further, the induction gap size range is 11±3mm.

[0015] Further, the motor support is provided with a vertical limiting structure cooperating with the chassis for vertical limiting of the motor support.

[0016] Further, the vertical limiting structure comprises a limiting block fixed on the chassis, a slide rod vertically fixed on the limiting block, and a limiting ring fixed on the motor support and vertically slidingly sleeved on the slide rod.

[0017] Further, a buffer pad is arranged between the limiting ring and the limiting block.

[0018] Further, the top of the box girder type base is fixed with a second track for rolling abutment with the limiting wheel; the limiting wheel comprises a rotating shaft and rubber wheels rotatingly arranged on both ends of the rotating shaft through bearings.

[0019] Further, the second track is provided with two tracks; the motor support is provided with limiting wheels on both sides corresponding to the second track.

[0020] Further, the bogie assembly is provided with a derailment prevention mechanism; the derailment prevention mechanism comprises guide wheels fixed on the bogie assembly and rolling against the side walls of the box girder type base.

[0021] Further, the chassis is provided with a tread brake for braking the walking wheel; the tread brake comprises a telescopic cylinder, a brake shoe carrier in transmission connection with the telescopic cylinder, and a brake shoe arranged on the brake shoe carrier for frictionally abutting against the tread of the walking wheel.

[0022] Further, the box girder type base comprises a top plate, webs fixed on both sides of the top plate, and bottom plates fixed on the bottom ends of the webs; a suspension gap is arranged between the two bottom plates, and a first track is arranged on the bottom plate; the inductive magnetic stator is fixed on the top plate.

[0023] Further, stiffening ribs are arranged outside the webs and abut against the top plate and the bottom plate at both ends; support corbels fixedly connected to the top plate are fixed on the webs, and the support corbels comprise inverted T-shaped structures.

[0024] Further, a third track for power supply is arranged on the side wall of the box girder type base, and a current collector for taking power from the third track is arranged on the bogie assembly.

[0025] In another aspect, the utility model also provides an aerial rail transport vehicle system, which comprises the power type bogie based on the box girder type base, the carriage and the suspension assembly for connecting the carriage and the bogie assembly.

[0026] In another aspect, the utility model also provides an adjusting method for the inductive gap of the power type bogie, which uses the power type bogie based on the box girder type base, and the adjusting method comprises,

[0027] Collecting the inductive gap distance between the motor rotor and the inductive magnetic stator;

[0028] When the inductive gap distance is greater than the set distance range, the buffer support is controlled to extend and lift the motor bracket to the inductive gap distance within the set distance range;

[0029] When the inductive gap distance is less than the set distance range, the buffer support is controlled to contract and move down the motor bracket to the inductive gap distance within the set distance range.

[0030] According to the adjusting method for the inductive gap of the power type bogie, the lifting of the motor bracket to the inductive gap distance within the set distance range comprises lifting the motor bracket to a preset standard distance.

[0031] According to the adjusting method for the inductive gap of the power type bogie, the lifting of the motor bracket to the inductive gap distance within the set distance range comprises lifting the motor bracket to a preset standard distance.

[0032] The beneficial effects of the utility model include: 1, through the box girder type base can form a semi-enclosed space, the track, the inductive magnetic stator and the bogie assembly are all arranged in the box girder type base, avoiding exposure, can directly build the workbench in the box girder type base to overhaul, without suspending in the high altitude, solve the problem that the maintenance air track transport vehicle needs to be suspended in the high altitude operation inconvenient maintenance, the inductive magnetic stator is arranged on the top of the box girder type base and the motor mobile sub of motor support magnetic coupling provides driving force, can drive the chassis arranged at the lower end of the motor support to move on the first track, realize the transportation function, still can adjust the size of inductive gap through the gap adjusting device, avoid the gap too big and make the magnetic induction weaken and lead to insufficient power, the gap is too small and each component is prone to collision and aggravate the strain,

[0033] 2, the gap adjusting device simple structure, through a plurality of telescopic buffer support can be suspended with the motor support, the buffer support telescopic adjusting the height of the motor support to adjust the size of the inductive gap spacing, convenient adjustment,

[0034] 3, through the limiting wheel is arranged on the motor support and rolls against the top wall of the box girder type base, can limit the minimum value of the inductive gap, keep the inductive gap always in the safe range, avoid the motor mobile sub and the inductive magnetic stator friction or collision damage in the process of driving,

[0035] 4, the buffer support simple structure, through the spring connects the motor support and generates the thrust to make the limiting wheel always abut on the top wall of the box girder type base, maintain the size of the inductive gap spacing relatively stable, through the vertical damper can also adjust the height of the motor support to regulate the spacing of the inductive gap,

[0036] 5, through the distance sensor, the inductive gap spacing size of the motor mobile sub from the inductive magnetic stator can be detected in real time, facilitate timely regulation and control the spacing size, avoid the power shortage or the spacing too small and produce security risks,

[0037] 6, the second track can be used for limiting wheel movement, through the pivot and the rubber wheel at both ends form limiting wheel pair, benefit to slow down the amplitude of unilateral rubber wheel, the rubber wheel has certain toughness and absorbs amplitude, avoid rigid collision with the top wall of the box girder type base,

[0038] 7, through the anti derailment structure, can prevent the bogie assembly from derailing when moving, through the guide wheel on both sides rolls and supports the side wall of the box girder type base, can limit the bogie assembly on the track and move, simple structure,

[0039] 8, through the tread brake can brake the walking wheel, through the brake shoe movement friction and abut the tread of the walking wheel controlled by the telescopic cylinder can brake, low cost,

[0040] 9. The box girder base has a simple structure. The semi-enclosed base, consisting of a top plate, two side webs, and two side bottom plates, allows the bogie assembly and track to be arranged inside the box girder cavity, thus avoiding the impact of severe weather or other foreign objects on the empty track system.

[0041] 10. The method for adjusting the sensing gap of this utility model makes full use of the structural characteristics of the power bogie based on the box girder base provided by this utility model. By adjusting the height of the motor bracket through the extension and retraction of the buffer support, the spacing between the motor mover and the sensing magnetic stator can be adjusted. This can avoid the safety risks of component interference caused by the spacing being too small and the problem of insufficient power caused by the spacing being too large.

[0042] The power bogie based on a box girder base provided by this utility model forms a semi-enclosed space through the box girder, housing the track, induction magnetic stator, and bogie assembly within the box girder base, avoiding exposure to the outside. A workbench can be directly built inside the box girder base for maintenance. The driving force is provided by the magnetic coupling between the motor mover and the induction magnetic stator. The size of the induction gap is adjusted by a gap adjustment device to avoid insufficient power due to excessively large gap weakening the magnetic induction, and excessively small gap causing collisions between components and aggravating wear. Attached Figure Description

[0043] Figure 1 : A schematic diagram of the dynamic bogie structure based on a box girder base of this utility model;

[0044] Figure 2 : A schematic diagram of the structure of the box girder base of this utility model;

[0045] Figure 3 A schematic diagram of the structure of a bogie assembly;

[0046] Figure 4 A schematic diagram of the structure of a motor bracket;

[0047] Figure 5 A schematic diagram of a bogie assembly equipped with a vertical limiting structure and an anti-derailment structure;

[0048] Figure 6 :for Figure 5 Enlarged schematic diagram of the vertical limiting structure in section A;

[0049] Figure 7 Schematic diagram of the tread brake;

[0050] Figure 8 Schematic diagram of the limit wheel structure;

[0051] Wherein: 1 - top plate; 11 - inductive magnetic stator; 12 - second track; 2 - web; 21 - support bracket; 22 - stiffening rib; 3 - bottom plate; 31 - suspension gap; 32 - first track; 4 - chassis; 41 - traveling wheel; 5 - motor support; 51 - limit wheel; 511 - rotating shaft; 53 - distance sensor; 54 - motor rotor; 55 - current collector; 6 - anti-derailing mechanism; 7 - buffer support; 8 - tread brake; 81 - telescopic cylinder; 82 - brake shoe holder; 83 - brake shoe; 9 - vertical limiting structure; 91 - limiting block; 92 - sliding rod; 93 - limiting ring. DETAILED DESCRIPTION

[0052] The embodiments of the present application will be described in detail below, wherein identical or similar reference numerals indicate identical or similar elements throughout the whole description. The embodiments described below are exemplary, the drawings are not drawn to scale, and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0053] In the description of the present application, it should be understood that the terms "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only intended to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0054] In addition, the terms "first", "second" are only for descriptive purposes, 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", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly specified.

[0055] The present application will be further described in detail below in conjunction with the drawings and specific embodiments.

[0056] The utility model relates to a kind of power bogie based on box girder type pedestal, applied in air rail transport vehicle, a semi-enclosed space can be formed by box girder type pedestal, track, induction magnetic stator 11 and bogie assembly are all arranged in box girder type pedestal, avoid exposure, can be directly built workbench in box girder type pedestal to overhaul, without suspended in high altitude, solve the problem that air rail transport vehicle needs to be suspended in high altitude operation inconvenient maintenance;Induction magnetic stator 11 is arranged on the top of box girder type pedestal and motor mover 54 on motor support 5 Magnetic coupling provides driving force, can drive chassis 4 arranged at the lower end of motor support 5 Move on first track 32, realize transport function;The size of induction gap can also be adjusted by gap adjusting device, avoid that gap is too large to cause magnetic induction to weaken and lead to power shortage, gap is too small and each component is prone to collision and aggravate strain.

[0057] A kind of power bogie based on box girder type pedestal, specifically, as shown in Figures 1-8 The utility model relates to a kind of power bogie based on box girder type pedestal, applied in air rail transport vehicle, a semi-enclosed space can be formed by box girder type pedestal, track, induction magnetic stator 11 and bogie assembly are all arranged in box girder type pedestal, avoid exposure, can be directly built workbench in box girder type pedestal to overhaul, without suspended in high altitude, solve the problem that air rail transport vehicle needs to be suspended in high altitude operation inconvenient maintenance;Induction magnetic stator 11 is arranged on the top of box girder type pedestal and motor mover 54 on motor support 5 Magnetic coupling provides driving force, can drive chassis 4 arranged at the lower end of motor support 5 Move on first track 32, realize transport function;The size of induction gap can also be adjusted by gap adjusting device, avoid that gap is too large to cause magnetic induction to weaken and lead to power shortage, gap is too small and each component is prone to collision and aggravate strain.

[0058] In certain embodiments, induction magnetic stator 11 uses permanent magnet as induction plate, motor mover 54 uses induction coil to form long straight line motor, motor mover 54 and induction magnetic stator 11 generate magnetic coupling to provide drive, longer motor mover 54 can be provided to provide greater driving force, so that the power of air rail transport vehicle is more sufficient, realize greater carrying capacity.

[0059] In certain embodiments, walking wheel 41 is rotatably connected at the both ends of wheel shaft to form walking wheel 41 pair, i.e. two walking wheels 41 are a group, two groups or more groups of walking wheels 41 are suspendedly connected on chassis 4 by damping device.

[0060] In certain embodiments, as Figure 2As shown, the box girder type base includes a top plate 1, webs 2 fixed on both sides of the top plate 1, and bottom plates 3 fixed at the bottom ends of the webs 2; a suspension gap 31 is provided between the two bottom plates 3, and a first track 32 is provided on the bottom plate 3; an induction magnetic stator 11 is fixed on the top plate 1. The box girder type base has a simple structure, and the bogie assembly and track devices are arranged in the box girder cavity formed by the top plate 1, the two webs 2 and the two bottom plates 3, thereby avoiding the influence of adverse weather or other foreign matters on the air track system, and facilitating the construction of a workbench in the box girder for maintenance and repair.

[0061] In an optional embodiment, as shown in Figure 2 , a stiffening rib 22 is provided on the outer side of the web 2, and the two ends of the stiffening rib 22 abut against the top plate 1 and the bottom plate 3, respectively. The stiffening rib 22 can be fixed to the web 2, and is preferably a pillar structure with a circular or arc cross section. A support bracket 21 is fixed to the web 2 and connected to the top plate 1. The support bracket 21 includes an inverted T-shaped structure, which can be an I-shaped structure. The support bracket 21 can strengthen the box girder type base to improve stability.

[0062] In a further embodiment, as shown in Figure 1 and Figure 5 , a third track for power supply is provided on the side wall (web 2) of the box girder type base, and a current collector 55 is provided on the bogie assembly to slide and connect the third track, so as to take power from the third track to provide power supply for the bogie assembly.

[0063] In an embodiment, a gap adjusting device is described, as shown in Figures 3-5 , the gap adjusting device includes a plurality of telescopic buffer supports 7. The plurality of buffer supports 7 are arranged on the chassis 4 to support the motor support 5, and the height of the motor support 5 is adjusted by telescopic adjustment to adjust the size of the induction gap. Preferably, four buffer supports 7 are arranged on the left and right sides of the front end and the left and right sides of the rear end of the motor support 5 to be suspendedly connected to the chassis 4, which has higher stability. The chassis 4 is suspendedly connected to the motor support 5 by the plurality of telescopic buffer supports 7, the height of the motor support 5 is adjusted by telescopic adjustment of the buffer supports 7 to adjust the size of the induction gap, which is convenient to adjust.

[0064] It is worth mentioning that the chassis 4 and the running wheel 41 can also be suspendedly connected by a structure including a buffer support to further reduce the vibration of the bogie assembly.

[0065] Based on the gap adjusting device including a plurality of telescopic buffer supports 7, as shown in Figure 3 , Figure 5As shown, the gap adjustment device also includes multiple limiting wheels 51. The limiting wheels 51 are located on the top of the motor bracket 5 and are used to roll against the inner top wall of the box girder base to limit the minimum value of the sensing gap, ensuring that the sensing gap distance is always within a safe range, and avoiding damage caused by friction or collision between the motor mover 54 and the sensing magnetic stator 11 during vehicle operation.

[0066] In one embodiment, such as Figure 5 As shown, the buffer support 7 is described. The buffer support 7 includes a buffer spring and / or a retractable vertical damper. Specifically, the buffer support 7 includes three options: First, the buffer support 7 includes a spring, which generates a thrust on the motor bracket 5 to keep the limiting wheel 51 rolling against the top wall of the box girder base. The spring can absorb the vibration amplitude of the bogie assembly, and this option can limit the size of the sensing gap. Second, the buffer support 7 includes a retractable vertical damper, which absorbs the vibration amplitude of the bogie assembly. The size of the sensing gap is controlled by adjusting the height of the motor bracket 5 through the extension and retraction of the vertical damper. This option can adjust the size of the sensing gap. Third, the buffer support 7 includes a vertical damper and a spring. The spring is sleeved outside the vertical damper to support the motor bracket 5, which has a higher vibration damping effect while satisfying the need to adjust the size of the sensing gap.

[0067] In one embodiment, such as Figures 5-6 As shown, the motor bracket 5 and the base frame 4 are equipped with a vertical limiting structure 9 for vertically limiting the motor bracket 5. The vertical limiting structure 9 includes a limiting block 91 fixed on the base frame 4, a slide rod 92 vertically fixed on the limiting block 91, and a limiting ring 93 fixed on the motor bracket 5 and vertically slidably sleeved on the slide rod 92. The vertical limiting structure 9 can limit the base frame 4 and the motor bracket 5 in the radial and vertical directions of the limiting ring 93, preventing the vertical amplitude of the motor bracket 5 from exceeding the force range of the buffer support 7 and causing damage. Optionally, the top of the slide rod 92 is detachably provided with a limiting block 91 for limiting the upward movement of the limiting ring 93. Preferably, the bottom of the limiting ring 93 or the top of the limiting block 91 is provided with a buffer pad. The buffer pad is made of a tough material, such as rubber, to prevent the limiting ring 93 from rigidly contacting the limiting block 91.

[0068] In one embodiment, such as Figures 3-5As shown, the self-powered bogie further comprises a distance sensor 53 arranged on the motor support 5 for detecting the size of the induction gap; the distance sensor 53 can directly detect the distance from the induction magnetic stator 11, and the size of the induction gap is the distance from the distance sensor 53 to the top end of the motor rotor 54. The size of the induction gap can be monitored in real time through the distance sensor 53, so as to timely regulate the size of the distance and avoid the lack of power or the safety hazard caused by too small distance. In actual use, based on the detected induction gap distance, the buffer support 7 is elongated when the induction gap distance is greater than the set range, so that the induction gap distance is within the set range.

[0069] The self-powered bogie further comprises a distance sensor 53, and further comprises a controller for regulating the size of the induction gap distance by regulating the extension of the buffer support 7 according to the induction gap distance detected by the distance sensor 53; the buffer support 7 is elongated when the induction gap distance is greater than the set range, so that the induction gap distance is within the set range.

[0070] Optionally, the induction gap distance range is 11±3mm.

[0071] In some embodiments, as shown, Figure 1 The top of the box girder type base is fixedly provided with a second track 12 for rolling abutment with the limiting wheel 51; the limiting wheel 51 comprises a rotating shaft 511 and rubber wheels rotatably arranged at both ends of the rotating shaft 511 through bearings; the rotating shaft 511 is provided with two groups of fixed supports for being fixedly connected to the motor support 5. The limiting wheel pair is formed by the rotating shaft 511 and the rubber wheels at both ends, which is beneficial to reduce the amplitude of the unilateral rubber wheel. The rubber wheel has a certain toughness to absorb the amplitude and avoid rigid collision with the top wall of the box girder type base.

[0072] In some embodiments, as shown, Figure 5 The bogie assembly is provided with a derailment prevention mechanism 6; the derailment prevention mechanism 6 comprises guide wheels fixedly arranged on the lateral sides of the bogie assembly for rolling abutment with the side walls of the box girder type base; preferably, four guide wheels are arranged on the lateral sides of the front and rear ends of the bogie assembly. The lateral support of the plurality of guide wheels can limit the bogie assembly on the first track 32.

[0073] In some embodiments, as shown, Figure 5 , Figure 7As shown, the powered bogie further comprises a tread brake 8 arranged on the bogie assembly for braking the running wheel 41, and in one specific embodiment, the tread brake 8 is arranged on the chassis 4 and comprises a telescopic cylinder 81, a brake shoe carrier 82 in driving connection with the telescopic cylinder 81, and brake shoes 83 arranged on the brake shoe carrier 82 for frictionally abutting against the tread of the running wheel 41; the tread brake 8 can be arranged in correspondence with the number of the running wheels 41 to improve the braking effect.

[0074] In actual use, the box girder type base is fixed to form a rectangular shape through the top plate 1, the web plate 2 and the bottom plate 3, the bottom of the top plate 1 is provided with the second track 12 and the induction magnetic stator 11, the web plate 2 is provided with the third track, the opposite first tracks 32 are arranged on the two side bottom plates 3, the running wheel 41 is arranged on the first track 32 to be suspendedly connected to the chassis 4, the chassis 4 is provided with the tread brake 8; the motor support 5 is arranged on the upper side of the chassis 4 and is suspendedly connected through the four buffer supporting members 7, the motor rotor 54 is arranged on the motor support 5 and is magnetically coupled with the induction magnetic stator 11 to provide driving force when rotating; the motor support 5 is provided with the current collector 55 which is slidingly connected to the third track to take power; the guide wheels are arranged on the transverse sides of the front and rear ends of the motor support 5 to roll and abut against the web plate 2 to provide lateral support and avoid derailment; the distance sensor 53 monitors the induction gap distance in real time, and the controller adjusts the buffer supporting member 7 to rise or fall according to the induction gap distance to adjust the induction gap distance within the set range; when braking is needed, the controller controls the telescopic cylinder 81 to extend to make the brake shoes 83 abut against the tread of the running wheel 41 to perform friction braking.

[0075] In another aspect, the utility model also provides a kind of aerial track transport vehicle system, including the utility model provides the powered bogie based on box girder type base, carriage and pass through suspension gap 31 for connecting carriage and bogie assembly suspension assembly.

[0076] In another aspect, the utility model also provides a kind of adjustment method of induction gap of powered bogie, for adjusting the powered bogie based on box girder type base provided by the utility model, buffer supporting member 7 includes telescopic vertical shock absorber, and adjustment method includes,

[0077] S1, the induction gap distance of motor rotor 54 from induction magnetic stator 11 is collected;

[0078] S2, when the induction gap distance is greater than the set distance range, control buffer supporting member 7 to extend and lift motor support 5 to the induction gap distance within the set distance range;

[0079] S3, when the induction gap distance is less than the set distance range, control buffer supporting member 7 to contract and move down motor support 5 to the induction gap distance within the set distance range.

[0080] According to the adjusting method of the induction gap of the power bogie provided by the utility model, in the S2 step, the lifting motor support 5 is lifted to the induction gap spacing within the set spacing range, including lifting the motor support 5 to the induction gap spacing being the preset standard spacing.

[0081] According to the adjusting method of the induction gap of the power bogie provided by the utility model, in the S3 step, the lifting motor support 5 is lifted to the induction gap spacing within the set spacing range, including lifting the motor support 5 to the induction gap spacing being the preset standard spacing.

[0082] In actual application, the size of the induction gap spacing is realized by controlling the extension and contraction of the buffer support 7 through the controller; specifically, the distance sensor 53 detects the induction gap spacing between the motor rotor 54 and the induction magnetic stator 11 in real time, and the controller judges whether the induction gap spacing is within the set spacing range; if the induction gap spacing is greater than the set spacing range, that is, greater than the maximum value of the set spacing range, the controller controls the buffer support 7 to extend and lift the motor support 5 to the induction gap spacing being the preset standard spacing 11 mm; if the induction gap spacing is less than the set spacing range, that is, less than the minimum value of the set spacing range, the controller controls the buffer support 7 to contract and move the motor support 5 downward to the induction gap spacing being the preset standard spacing 11 mm.

[0083] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and the utility model can have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A dynamic bogie based on a box girder base, characterized in that: include, The box girder type base includes a suspension gap (31) located at the bottom and communicating with the inner cavity. The bottom of the box girder type base is provided with a first track (32) located on both sides of the suspension gap (31) and an induction magnetic stator (11) is fixed on the inner side of the top. The bogie assembly includes a base frame (4), a motor bracket (5) mounted on the base frame (4), and a traveling wheel (41) mounted on the base frame (4) and rolling against the first track (32). The top of the motor bracket (5) is provided with a motor mover (54) that has an induction gap with the induction magnetic stator (11), which is used to generate a magnetic field by rotation and magnetically couple with the induction magnetic stator (11) to drive the bogie assembly to move along the first track (32). A gap adjustment device, which is mounted on the bogie assembly, is used to adjust the size of the sensing gap.

2. A dynamic bogie based on a box girder base as described in claim 1, characterized in that: The gap adjustment device includes multiple retractable buffer supports (7); the multiple buffer supports (7) are mounted on the base frame (4) to support the motor bracket (5), and the size of the sensing gap is adjusted by extending and retracting the height of the motor bracket (5).

3. A dynamic bogie based on a box girder base as described in claim 2, characterized in that: The gap adjustment device also includes a limiting wheel (51) located on the top of the motor bracket (5), which is used to roll against the inner top wall of the box girder base to limit the minimum value of the sensing gap.

4. A dynamic bogie based on a box girder base as described in claim 2, characterized in that: The buffer support (7) includes a buffer spring and / or a retractable vertical damper.

5. A dynamic bogie based on a box girder base as described in claim 2, characterized in that: The motor bracket (5) is equipped with a distance sensor (53) for detecting the size of the sensing gap.

6. A dynamic bogie based on a box girder base as described in any one of claims 3-5, characterized in that: The top of the box girder base is fixed with a second track (12) for rolling contact with the limiting wheel (51); the limiting wheel (51) includes a rotating shaft (511) and rubber wheels that are rotatably mounted at both ends of the rotating shaft (511) via bearings.

7. A dynamic bogie based on a box girder base as described in claim 1, characterized in that: The bogie assembly is provided with an anti-derailment mechanism (6); the anti-derailment mechanism (6) includes guide wheels fixed on both sides of the bogie assembly and rolling against the side wall of the box girder base.

8. A dynamic bogie based on a box girder base as described in claim 1, characterized in that: The base frame (4) is provided with a tread brake (8) for braking the traveling wheel (41); the tread brake (8) includes a telescopic cylinder (81), a brake shoe support (82) connected to the telescopic cylinder (81) in transmission, and a brake shoe (83) provided on the brake shoe support (82) for friction abutting the tread of the traveling wheel (41).

9. A dynamic bogie based on a box girder base as described in claim 1, characterized in that: The box girder base includes a top plate (1), web plates (2) fixed on both sides of the top plate (1) and a bottom plate (3) fixed at the bottom end of the web plates (2); a suspension gap (31) is provided between the two bottom plates (3), and a first track (32) is provided on the bottom plate (3); the induction magnetic stator (11) is fixed on the top plate (1).

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