CN114750800B - Magnetomotive running mechanism and medium-short distance magnetomotive material transportation engineering vehicle - Google Patents
Magnetomotive running mechanism and medium-short distance magnetomotive material transportation engineering vehicle Download PDFInfo
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- CN114750800B CN114750800B CN202210575188.7A CN202210575188A CN114750800B CN 114750800 B CN114750800 B CN 114750800B CN 202210575188 A CN202210575188 A CN 202210575188A CN 114750800 B CN114750800 B CN 114750800B
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- 239000000463 material Substances 0.000 title claims abstract description 40
- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 238000004642 transportation engineering Methods 0.000 title claims abstract description 22
- 238000009434 installation Methods 0.000 claims description 14
- 230000000712 assembly Effects 0.000 claims description 13
- 238000000429 assembly Methods 0.000 claims description 13
- 230000007704 transition Effects 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000005339 levitation Methods 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 description 10
- 238000013461 design Methods 0.000 description 5
- 239000000725 suspension Substances 0.000 description 4
- 230000006698 induction Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/50—Other details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L13/00—Electric propulsion for monorail vehicles, suspension vehicles or rack railways; Magnetic suspension or levitation for vehicles
- B60L13/03—Electric propulsion by linear motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
- B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
- B61C9/48—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension
- B61C9/50—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension in bogies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
Abstract
The invention discloses a magnetomotive running mechanism and a middle and short distance magnetomotive material transportation engineering vehicle, which belong to the technical field of magnetic levitation track traffic. The magnetomotive running mechanism and the medium-short distance magnetomotive material transportation engineering vehicle comprising the same are compact in structure and high in adaptability, can realize medium-short distance magnetomotive driving of the material transportation engineering vehicle, meet the adaptability to different working condition lines, ensure the driving transportation reliability, and simultaneously promote the loading space of the vehicle body, thereby improving the transportation efficiency of materials, reducing the transportation cost of the materials, overcoming the problem of 'last ten kilometers' of cargo transportation, and have good practical value and application prospect.
Description
Technical Field
The invention belongs to the technical field of magnetic levitation track traffic, and particularly relates to a magnetomotive running mechanism and a medium-short distance magnetomotive material transportation engineering vehicle.
Background
At present, the material transportation mode in China mainly comprises an integral external transportation road network system taking railway transportation as a main part and road transportation as an auxiliary part. Compared with road transportation, railway transportation (railway direct transportation and molten iron intermodal transportation) has the advantages of large transportation capacity, low energy consumption, low cost, rapidness, stability and the like, is generally suitable for medium-long distance transportation, and a plurality of short plates still exist in medium-short distance transportation, and a plurality of problems such as the situation that the capacity of a main freight passage is still tense, the problem of the last ten kilometers of short distance transportation in cargoes is still outstanding, the efficiency of a cargo transportation system is generally lower, the logistics cost of the cargo transportation system is higher, and the problems of loss and environmental pollution are serious are generally existed.
The magnetomotive material transportation system is a transportation mode taking magnetic force as a power source, has no emission pollution, small occupied area, is suitable for various complex purposes, is not influenced by weather and environment, has incomparable advantages of other transportation means in the aspects of economy, energy conservation, environmental protection and the like, is one of the currently emerging hot transportation modes, and has the advantages of strong coordination, high efficiency, environmental protection and the like in middle and short distance transportation.
In the prior art, research on a magnetomotive material transportation engineering vehicle has produced a certain research result, for example, in patent document CN209191942U, a magnetic levitation railway engineering vehicle is disclosed, which comprises a vehicle body and a bogie, and adopts a linear induction motor to drive the whole vehicle to run, and the magnetic levitation railway engineering vehicle has super-strong climbing capacity, small running noise and turning radius, and can meet the transportation requirement of middle and short distance to a certain extent. However, as the steering operation of the magnetic levitation railway engineering vehicle is completed by the auxiliary matching of the suspension arm and the guide wheel on the bogie, the height of the floor surface at the bottom of the vehicle body is increased due to the existence of the suspension arm and the guide wheel, the loading space of the vehicle body is reduced, the transportation capacity of the whole vehicle is limited, and the requirements of actual use cannot be fully met.
Disclosure of Invention
Aiming at one or more of the defects or improvement demands of the prior art, the invention provides a magnetomotive running mechanism and a middle-short distance magnetomotive material transportation engineering vehicle, which can realize magnetomotive driving of the transportation engineering vehicle, ensure the accuracy of operation control of the magnetomotive transportation engineering vehicle and improve the carrying capacity and the middle-short distance transportation reliability of the engineering vehicle.
In order to achieve the above object, according to one aspect of the present invention, there is provided a magnetomotive running mechanism comprising a bogie, independent wheel set assemblies separately provided at four corners of the bogie, and a permanent magnet linear motor mover provided at the bottom of the bogie;
the bogie comprises longitudinal beams, a first cross beam and a second cross beam which are respectively arranged in pairs;
the longitudinal beam extends longitudinally, the middle part of the longitudinal beam is concaved, a first installation section and a second installation section are respectively formed at two ends of the longitudinal beam, and a concave section with a vertical position lower than that of the two installation sections is formed at the middle part of the longitudinal beam; correspondingly, two ends of the concave section are respectively connected with the corresponding installation sections through the first transition section and the second transition section;
the two ends of the first cross beam are respectively connected with the concave sections of the two longitudinal beams, and the bottoms of the two first cross beams form an installation space of the permanent magnet linear motor rotor;
the two ends of the second cross beam extend to the lower parts of the end parts of the two longitudinal beams respectively along the transverse direction and are used for installing the independent wheel pair assemblies, and the bottoms of the corresponding installation sections above the independent wheel pair assemblies are vertically connected through the independent wheel pair assemblies.
As a further improvement of the invention, the independent wheel set assembly comprises an axle box, a wheel set and a positioning table;
the wheel set is connected to the outer lateral side of the axle box through a rotating shaft, and the positioning table is vertically and oppositely arranged above the axle box;
the top of the positioning table is connected with the bottom surface of the corresponding mounting section, a groove is vertically formed in the bottom of the positioning table, and a cylindrical limit groove is formed in the inner side wall surface of the groove;
the axle box is arranged on the top surface of the end part of the second cross beam, and a limit column is vertically arranged in the middle of the axle box, so that the top of the limit column is embedded into the cylindrical limit groove; and elastic pieces are respectively arranged on two longitudinal sides of the limiting column, extend vertically, and are respectively connected with the positioning table and the axle box at two ends.
As a further improvement of the invention, the elastic piece is a spiral spring which is vertically arranged;
and/or
And an elastic piece groove is formed on the bottom surface of the positioning table and/or the top surface of the axle box, corresponding to the elastic piece, and is used for embedding and connecting the end parts of the elastic piece.
As a further improvement of the invention, at least one side of the longitudinal beam in the transverse direction is provided with a weight reducing groove;
the weight-reducing groove is a blind groove or a hollow groove; and/or a plurality of reinforcing ribs are arranged in the weight reducing groove.
As a further improvement of the invention, a limiting piece is vertically arranged on one side of the axle box, which is away from the wheel set, and a limiting ring is arranged on the side of the positioning table; the top of the limiting piece passes through the limiting ring, and a clamping piece with the outer diameter larger than the inner diameter of the limiting ring is arranged at the top of the limiting piece, so that the clamping piece can limit the vertical movement of the limiting piece.
As a further improvement of the invention, the rotor of the permanent magnet linear motor is hung below the first cross beam, and the vertical height of the rotor is adjustable;
and/or
The permanent magnet linear motor rotor comprises a plurality of permanent magnets which are distributed in a Halbach array.
In another aspect of the invention, a middle-short distance magnetomotive material transportation engineering vehicle comprises the magnetomotive travelling mechanism, and a vehicle body is arranged above the magnetomotive travelling mechanism;
the bottom of the car body is connected to the longitudinal beam and/or the first cross beam, and a material bin for containing materials is formed in the car body.
As a further improvement of the invention, the four corners of the car body are provided with avoiding grooves corresponding to the longitudinal beam mounting sections at the four corners of the bogie.
As a further improvement of the present invention, at least one side in the longitudinal direction of the vehicle body is provided with a connecting member for connection between adjacent vehicle bodies.
As a further improvement of the invention, the longitudinal beam and/or the first cross beam are/is provided with mounting parts corresponding to the connection of the vehicle body, and part or all of the mounting parts are twist lock devices.
The above-mentioned improved technical features can be combined with each other as long as they do not collide with each other.
In general, the above technical solutions conceived by the present invention have the beneficial effects compared with the prior art including:
(1) The magnetomotive running mechanism comprises a bogie and independent wheel pair assemblies, and by utilizing the corresponding connection of the longitudinal beam, the first cross beam and the second cross beam in the bogie and matching the concave design of the middle part of the longitudinal beam with the rotor of the permanent magnet linear motor at the bottom of the first cross beam and the matched arrangement of the independent wheel pair assemblies at the two ends of the longitudinal beam, the magnetomotive driving of the running mechanism can be realized, and the running requirements of the running mechanism on a track and under different working line working conditions can be met.
(2) The magnetomotive running mechanism provided by the invention is correspondingly arranged among the axle box, the positioning table, the wheel equivalent structure, the longitudinal beam mounting section and the second cross beam, and can be matched with the combined arrangement of the axle box, the positioning table upper limit column, the cylindrical limit groove, the elastic piece and other structures, so that independent suspension systems can be respectively formed at four corners of the bogie, the structural design of the running mechanism is simplified, and the adaptability of the running mechanism to working line working conditions can be effectively improved.
(3) The middle and short-distance magnetomotive material transportation engineering vehicle comprises a vehicle body and a magnetomotive running mechanism, and the middle part of the vehicle body can be sunk above a first cross beam by matching with the corresponding connection of the first cross beam through the sunken sinking design of the middle part of a longitudinal beam, so that the height of a floor surface at the bottom of the vehicle body is reduced, the loading space of the vehicle body is increased, the gravity center of the vehicle body is reduced, and the running stability and reliability of the engineering vehicle are ensured; meanwhile, through the corresponding arrangement of the connecting pieces on the two longitudinal sides of the vehicle body, a plurality of engineering vehicles can be connected with each other to form a middle-short-distance magnetomotive transport train, and the material transport efficiency is further improved.
(4) The magnetomotive running mechanism and the medium-short distance magnetomotive material transportation engineering vehicle comprising the same are compact in structure and high in adaptability, can realize medium-short distance magnetomotive driving of the material transportation engineering vehicle, meet the adaptability to different working condition lines, ensure the driving transportation reliability, and simultaneously promote the loading space of the vehicle body, thereby improving the transportation efficiency of materials, reducing the transportation cost of the materials, overcoming the problem of 'last ten kilometers' of cargo transportation, and have good practical value and application prospect.
Drawings
FIG. 1 is a schematic view of a magnetomotive travel mechanism in accordance with an embodiment of the present invention;
FIG. 2 is a side view of a stringer configuration of a magnetomotive travel mechanism in accordance with an embodiment of the present invention;
FIG. 3 is a schematic illustration of the configuration of an independent wheel set of the magnetomotive travel mechanism in an embodiment of the present invention;
FIG. 4 is a cross-sectional view of the configuration of an independent wheel set of the magnetomotive force running mechanism in an embodiment of the present invention;
FIG. 5 is a schematic diagram of a medium and short distance magnetomotive material transportation vehicle in an embodiment of the invention;
FIG. 6 is a structural side view of a medium and short distance magnetomotive material transportation vehicle in an embodiment of the invention;
like reference numerals denote like technical features throughout the drawings, in particular:
1. a vehicle body; 2. a bogie; 3. a connecting piece; 4. a longitudinal beam; 5. a first cross beam; 6. a second cross beam; 7. an independent wheel set assembly; 8. a permanent magnet linear motor rotor; 9. an avoidance groove; 401. a first mounting section; 402. a first transition section; 403. a concave section; 404. a second transition section; 405. a second mounting section; 406. a hollow groove; 407. reinforcing ribs; 701. an axle box; 702. a wheel set; 703. a positioning table; 704. an elastic member; 705. a groove; 706. a limit column; 707. a cylindrical limit groove; 708. a limiting piece; 709. a limiting ring; 710. a clamping piece; 711. an upper elastic member groove; 712. a lower spring groove.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Examples:
referring to fig. 1 to 4, the magnetomotive running mechanism in the preferred embodiment of the present invention includes a bogie 2, the bogie 2 includes a pair of spaced stringers 4, the middle portions of the stringers 4 are connected by a plurality of first cross beams 5, two ends of the stringers 4 are respectively provided with a second cross beam 6, and two ends of the second cross beams 6 are respectively provided with an independent wheel pair assembly 7 corresponding to the ends of the stringers 4, so that the bogie 2 can complete running under the driving of the independent wheel pair assemblies 7.
In particular, the stringers 4 in the preferred embodiment, as shown in fig. 2, are in the form of a centrally concave structure comprising a first mounting section 401, a concave section 403 and a second mounting section 405, each arranged horizontally, wherein the vertical height of the first mounting section 401 and the second mounting section 405 is preferably identical, i.e. both are arranged coaxially; accordingly, the vertical position of the concave section 403 is lower than that of the two mounting sections, the axis of the concave section is preferably parallel to that of the two mounting sections, and the two ends of the concave section are respectively connected with the two ends of the two mounting sections, which are close to each other, through a first transition section 402 and a second transition section 404 extending along the oblique direction, so as to form a longitudinal beam 4 structure as shown in fig. 2.
In the preferred embodiment, the parts of the longitudinal beam 4 are preferably integrally formed, so that stability and reliability of stress transmission of the parts of the longitudinal beam 4 are ensured, and fracture of the longitudinal beam 4 is avoided. Meanwhile, in order to realize the lightweight design of the bogie 2, a weight-reducing groove is formed on at least one side of part or all of the beam sections of the longitudinal beam 4 in the preferred embodiment, so as to reduce the weight of the longitudinal beam 4 and the bogie 2. In practical arrangement, the weight-reducing groove may be a blind groove formed on one side of Liang Duanren, or may be a through groove penetrating through the beam Duan Liangce, for example, in the preferred embodiment shown in fig. 2, the weight-reducing groove is a hollow groove 406 penetrating through two lateral sides of two ends.
In addition, in the preferred embodiment shown in fig. 1, each beam section of the longitudinal beam 4 may be regarded as being formed by sequentially connecting a plurality of sets of two beam plates arranged in parallel, and in this case, the weight-reducing groove in each beam section may be regarded as a hollow groove 406 extending continuously along the extending direction of the longitudinal beam 4; obviously, the distances between the two beam plates in different beam sections can be the same or different, which can be preferable according to practical situations. Meanwhile, in order to ensure the structural stability of the corresponding beam sections during use, especially the structural stability of the two mounting sections at the two ends of the longitudinal beam 4, reinforcing ribs 407 are preferably welded in the hollow grooves 406 of the first mounting section 401 and/or the second mounting section 405, so as to increase the deformation resistance of the corresponding beam sections. Because of the need to cooperatively mount the independent wheel set assembly 7, the first mounting section 401 and the second mounting section 405 in the preferred embodiment are provided with a plurality of reinforcing ribs 407 in the hollow grooves 406 therebetween, so as to ensure structural stress stability of the two mounting sections.
Further, in the preferred embodiment, the first cross members 5 are preferably two cross members disposed at intervals longitudinally, and two ends of the two first cross members 5 are respectively connected to the concave sections 403, and further preferably connected to the connection positions of the concave sections 403 and the two transition sections, as shown in fig. 2. Meanwhile, in order to ensure the connection reliability of the two ends of the first beam 5, it is further preferable to connect the two ends of the first beam 5 in the hollow groove 406 formed on the concave section 403, so as to avoid that the upper and lower sides of the first beam 5 protrude from the upper and lower sides of the concave section 403. In practical arrangement, a plurality of transverse links extending in the transverse direction or oblique links extending in the oblique direction may be arranged between the two concave sections 403 according to the structural strength design of the bogie 2, or as shown in fig. 1, longitudinal links extending in the longitudinal direction and respectively connected to the two first beams 5 at two ends, so as to ensure the connection reliability of the two concave sections 403.
In more detail, the second cross member 6 in the preferred embodiment is arranged below the two mounting sections, its vertical position in the bogie 2 preferably being flush with the bottom surfaces of the two first cross members 5. Meanwhile, independent wheel pair assemblies 7 are arranged between the two ends of the second cross beam 6 and the mounting section above the second cross beam, so that the magnetomotive running mechanism can run on the track.
As shown in fig. 3 and 4, the independent wheel set assembly 7 in the preferred embodiment includes an axle housing 701 and a wheel set 702 connected to the outside of the axle housing 701, and a positioning table 703 is vertically provided above the axle housing 701 in opposition. The axle box 701 is connected to and mounted on the top surface of the end of the second beam 6, the positioning table 703 is disposed above the axle box 701, and the top of the positioning table 703 is connected to the bottom surface of the corresponding mounting section.
Specifically, in the preferred embodiment, a vertically extending limit post 706 is formed in the middle of the axle housing 701, and a pallet for mounting the elastic member 704 is formed at both sides of the limit post 706 in the longitudinal direction, respectively; correspondingly, a groove 705 is arranged at the bottom of the positioning table 703 corresponding to the limit post 706, and a cylindrical limit groove 707 is arranged on the inner wall surface of the groove 705 for embedding and matching the limit post 706. Meanwhile, the elastic member 704 extends vertically, and two ends of the elastic member are respectively connected to the bottom of one side of the groove 705 of the positioning table 703 and the top of the supporting table at one end of the axle box 701 in the longitudinal direction, so as to vertically connect the positioning table 703 with the axle box 701. In a preferred embodiment, the stop post 706 is further preferably a hydraulic damper.
In a preferred embodiment, in order to protect the upper and lower ends of the elastic member 704 and prolong the service life of the elastic member 704, upper elastic member grooves 711 are formed on the two longitudinal sides of the groove 705 corresponding to the top parts of the two elastic members 704 respectively; correspondingly, a lower elastic member groove 712 is formed on the supporting platform at two longitudinal sides of the limiting post 706 and corresponds to the bottoms of the two elastic members 704, and then the elastic members 704 extend vertically, the top of the elastic members are embedded and connected in the upper elastic member groove 711, and the bottom of the elastic members are embedded and connected in the lower elastic member groove 712.
Through the matching setting of the middle limit column 706 on the top surface of the axle box 701 and the bottom cylindrical limit groove 707 of the positioning table 703, the movable stroke of the wheel set 702 can be effectively restrained by utilizing the matching between the cylindrical limit groove 707 and the limit column 706, the movable range of the wheel set 702 can move up and down along the cylindrical limit groove 707 as much as possible, the stable matching between the wheel set 702 and the track is ensured, meanwhile, the limit column 706 is mainly used for bearing the power transmission work between the longitudinal beam 4 and the wheel set 702, and the use safety of equipment is improved.
Further, a limiting member 708 extending vertically is provided on a side of the axle box 701 facing away from the wheel set 702, and a limiting ring 709 is provided on a side wall of the positioning table 703 corresponding thereto, such that a top portion of the limiting member 708 passes through the limiting ring 709; correspondingly, a clamping piece 710 with the outer diameter larger than the inner diameter of the limiting ring 709 is arranged at the top of the limiting piece 708 and is used for clamping the limiting piece 708 and the limiting ring 709 after being matched with each other, separation between the limiting piece 708 and the limiting ring 709 is avoided, and maximum displacement between the axle box 701 and the positioning table 703 is limited, so that the vertical movable range of the wheel set 702 is restrained, and the use safety of the bogie 2 is improved.
In more detail, the elastic member 704 in the preferred embodiment is a coil spring disposed vertically, and both coil springs are symmetrically disposed at both sides of the longitudinal direction of the axle housing 701. The positioning table 703 is connected with the axle box 701 through the elastic piece 704, so that the wheel set 702 is suspended on four corners of the bogie 2 and uniformly stressed, the bogie 2 is effectively damped, and the use safety of equipment is improved.
Further, permanent magnet linear motor movers 8 are arranged at the bottoms of the two first cross beams 5 and comprise a plurality of permanent magnets distributed in a Halbach array. When the device is actually arranged, the permanent magnet linear motor rotor 8 is preferably hung at the bottom of the first cross beam 5, so that the vertical height of the permanent magnet linear motor rotor 8 is adjustable, the working air gap between the permanent magnet linear motor rotor 8 and a stator coil arranged on a circuit can be flexibly adjusted by utilizing the hanging arrangement, the bogie 2 can be suitable for more working conditions, and the use convenience of equipment is improved.
In a particularly preferred embodiment, a vehicle body 1 is provided above the bogie 2, forming a medium and short-haul magnetomotive material transfer vehicle as shown in fig. 5.
Specifically, a material bin is arranged in the vehicle body 1 and is used for accommodating materials. In the preferred embodiment, the bogies 2 are arranged in a one-to-one correspondence with the vehicle bodies 1, i.e. a section of the transport vehicle body 1 is supported with only one bogie 2. At the same time, it is preferable that a connecting member 3 is provided on at least one side in the longitudinal direction of the vehicle body 1 for connection with an adjacent transportation vehicle. Therefore, through the sequential connection between the vehicle bodies 1 on the multiple bogies 2, a transportation vehicle team consisting of multiple engineering vehicles can be formed, and the middle and short distance flexible transportation of materials under different transportation capacity demands is met. In a preferred embodiment, the connection 3 thereof may further preferably be a twist lock.
Meanwhile, in order to realize the mounting of the vehicle body 1 on the bogie 2 in the actual setting, it is preferable that a plurality of mounting pieces are respectively provided on the side members 4 on both lateral sides of the bogie 2 so as to realize the connection mounting of the bottom of the vehicle body 1 and the top of the bogie 2. In a preferred embodiment, the mounting is preferably a twist-lock device with which the vehicle body 1 is connected in one piece with the bogie 2.
In addition, in order to achieve reliable installation between the vehicle body 1 and the bogie 2, it is preferable to provide at four corners of the bottom of the vehicle body 1 with avoiding grooves 9 matching with the longitudinal beams 4 at the four corners of the bogie 2, to achieve connection of the vehicle body 1 and the bogie 2, and to reduce the bottom surface height of the vehicle body 1.
For the magnetomotive running mechanism in the preferred embodiment, the bogie 2 adopts independent wheel pair assemblies 7 formed by axle boxes 701, wheel pairs 702 and positioning platforms 703 to form independent wheel pairs, and each independent wheel pair assembly 7 can form an independent suspension system, so that the adaptability of the engineering truck to working line conditions is effectively improved. Meanwhile, through the corresponding arrangement of the concave sections 403 in the middle of the longitudinal beam 4, a concave structure is formed in the bogie 2, so that the height of the bottom plate surface of the vehicle body 1 can be reduced, and the storage capacity of the vehicle body 1 is improved; moreover, through the middle part indent setting of longeron 4, adopt the structure of middle part sunk to with permanent magnet linear motor active cell 8 setting in the concave part, both satisfied the installation requirement of permanent magnet linear motor active cell 8, can also be used for increasing the inner space of automobile body 1 with the concave part simultaneously, further increase the storing ability of automobile body 1, improve the transportation efficiency of train.
In a specific embodiment, the overall dimensions of the bogie 2 are 2500×1448×320 units (mm), the wheelbase of the bogie 2 is 2160 units (mm), the wheel diameter of the bogie 2 is 300 units (mm), and the corresponding track gauge of the bogie 2 is 1435 units (mm).
When the magnetomotive material transportation engineering vehicle advances, the permanent magnet at the bottom of the bogie 2 moves relative to the stator of the linear motor on the track, the N pole and the S pole of the front and rear magnetic fields of the engineering vehicle are opposite to each other, magnetic field thrust is respectively formed to push the engineering vehicle to advance, the permanent magnet linear motor is adopted to enable the stator to be in direct contact with the rotor, the output density is high, the heat consumption is low, the precision is high, the environment is friendly, meanwhile, the mode of cutting magnetic induction lines with the linear induction motor is distinguished, the power factor is good, the efficiency is high, and the material transportation can still be effectively ensured under the conditions of heavy load and severe working condition.
The magnetomotive running mechanism and the medium-short distance magnetomotive material transportation engineering vehicle comprising the same are compact in structure and high in adaptability, can realize medium-short distance magnetomotive driving of the material transportation engineering vehicle, meet the adaptability to different working condition lines, ensure the driving transportation reliability, and simultaneously promote the loading space of the vehicle body, thereby improving the transportation efficiency of materials, reducing the transportation cost of the materials, overcoming the problem of 'last ten kilometers' of cargo transportation, and have good practical value and application prospect.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (11)
1. The magnetomotive running mechanism is characterized by comprising a bogie, independent wheel pair assemblies respectively arranged at four corners of the bogie, and a permanent magnet linear motor rotor arranged at the bottom of the bogie;
the bogie comprises longitudinal beams, a first cross beam and a second cross beam which are respectively arranged in pairs;
the independent wheel set assembly comprises an axle box, a wheel set and a positioning table; the wheel set is connected to the outer lateral side of the axle box through a rotating shaft, and the positioning table is vertically and oppositely arranged above the axle box; the top of the positioning table is connected with the bottom surface of the corresponding mounting section, a groove is vertically formed in the bottom of the positioning table, and a cylindrical limit groove is formed in the inner side wall surface of the groove; the axle box is arranged on the top surface of the end part of the second cross beam, and a limit column is vertically arranged in the middle of the axle box, so that the top of the limit column is embedded into the cylindrical limit groove; elastic pieces are respectively arranged on two longitudinal sides of the limiting column, extend vertically and are respectively connected with the positioning table and the axle box at two ends;
the longitudinal beam extends longitudinally, the middle part of the longitudinal beam is concaved, a first installation section and a second installation section are respectively formed at two ends of the longitudinal beam, and a concave section with a vertical position lower than that of the two installation sections is formed at the middle part of the longitudinal beam; correspondingly, two ends of the concave section are respectively connected with the corresponding installation sections through the first transition section and the second transition section; at least one side of the longitudinal beam in the transverse direction is provided with a weight-reducing groove which is a hollowed-out groove, and a plurality of reinforcing ribs are arranged in the weight-reducing groove;
the two ends of the first cross beam are respectively connected with the concave sections of the two longitudinal beams, and the bottoms of the two first cross beams form an installation space of the permanent magnet linear motor rotor;
the two ends of the second cross beam extend to the lower parts of the end parts of the two longitudinal beams respectively along the transverse direction and are used for installing the independent wheel pair assemblies, and the bottoms of the corresponding installation sections above the independent wheel pair assemblies are vertically connected through the independent wheel pair assemblies.
2. Magnetomotive force running mechanism according to claim 1, wherein said elastic member is a vertically arranged coil spring.
3. Magnetomotive force running mechanism according to claim 1, wherein an elastic member groove is provided on the bottom surface of said positioning table and the top surface of said axle housing in correspondence with said elastic member for engagement and connection of the end portion of said elastic member.
4. Magnetomotive running mechanism according to claim 1, wherein a limit piece is vertically arranged on the side of the axle box facing away from the wheel set, and a limit ring is arranged on the side of the positioning table; the top of the limiting piece passes through the limiting ring, and a clamping piece with the outer diameter larger than the inner diameter of the limiting ring is arranged at the top of the limiting piece, so that the clamping piece can limit the vertical movement of the limiting piece.
5. The magnetomotive force running mechanism according to any one of claims 1 to 4, wherein the permanent magnet linear motor rotor is hung below the first cross beam, and the vertical height of the rotor is adjustable.
6. The magnetomotive force running mechanism according to any one of claims 1 to 4, wherein the permanent magnet linear motor mover comprises a plurality of permanent magnets arranged in a Halbach array.
7. A medium and short distance magnetomotive material transportation engineering vehicle, which is characterized by comprising the magnetomotive travelling mechanism of any one of claims 1-6, and a vehicle body arranged above the magnetomotive travelling mechanism;
the bottom of the car body is connected to the longitudinal beam and the first cross beam, and a material bin for containing materials is formed in the car body.
8. The medium and short-distance magnetomotive material transportation engineering vehicle according to claim 7, wherein the four corners of the vehicle body are provided with avoidance grooves corresponding to longitudinal beam mounting sections at the four corners of the bogie.
9. The medium and short-distance magnetomotive material transportation engineering vehicle according to claim 7, wherein at least one side in the longitudinal direction of the vehicle body is provided with a connecting piece for connection between adjacent vehicle bodies.
10. The medium and short-distance magnetomotive material transportation engineering vehicle according to any one of claims 7 to 9, wherein a mounting piece is arranged on the longitudinal beam corresponding to the connection of the vehicle body.
11. The medium and short distance magnetomotive material transportation engineering vehicle of claim 10, wherein said mounting member is a twist lock device.
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| CN202210575188.7A CN114750800B (en) | 2022-05-25 | 2022-05-25 | Magnetomotive running mechanism and medium-short distance magnetomotive material transportation engineering vehicle |
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| CN202210575188.7A CN114750800B (en) | 2022-05-25 | 2022-05-25 | Magnetomotive running mechanism and medium-short distance magnetomotive material transportation engineering vehicle |
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| CN114750800A (en) | 2022-07-15 |
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