CN209938579U - Walking gear structure and gear vehicle wheel pair - Google Patents
Walking gear structure and gear vehicle wheel pair Download PDFInfo
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- CN209938579U CN209938579U CN201920215583.8U CN201920215583U CN209938579U CN 209938579 U CN209938579 U CN 209938579U CN 201920215583 U CN201920215583 U CN 201920215583U CN 209938579 U CN209938579 U CN 209938579U
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Abstract
The utility model provides a walking gear structure and a gear vehicle wheel set, belonging to the field of rail transit vehicles, wherein the walking gear structure comprises a first half gear ring, a second half gear ring and a gear hub; a first mounting piece is arranged on the gear hub, and second mounting pieces are arranged on the second half gear ring and the first half gear ring; the first half gear ring and the second half gear ring are fixed on the gear hub and combined to form an integral gear; the axle center of the gear hub is also provided with a mounting through hole for matching with the axle. Through the utility model provides a walk capable gear structure and gear vehicle wheel pair can predesign the components of a whole that can function independently ring gear group of the different reference circle diameters of multiunit, after wheel operation wearing and tearing reached the tolerance limit of walking wheel and rack toothing, changes another components of a whole that can function independently ring gear group that the reference circle suited, and wheel life will prolong about 4 times like this, improves vehicle application economic nature.
Description
Technical Field
The utility model relates to a track traffic vehicle field particularly, relates to a walk capable gear structure and gear vehicle wheel pair.
Background
Running gears on the existing gear rail railway vehicle wheel set at home and abroad are almost all integral gears and are fixedly arranged in the middle of the wheel set through interference or bolts. In the assembly sequence, the running gear is firstly installed, then the middle part of the axle is installed, and finally the wheels at the two ends are installed. The wheels are pressed on the axles in an interference fit mode, and special pressing equipment and complex procedures are needed.
When the rack rail vehicle runs, the treads of the wheels on two sides are worn, and the diameters of the wheels are reduced accordingly. Meanwhile, the wheels and the traveling gear are arranged on the same axis, and the meshing relationship between the gear and the rack can be changed along with the change of the diameters of the wheels. The maximum gear and rack meshing relationship can be adapted to the allowable variation of the wheel diameter by about 20mm, and the gear and the rack can be damaged after the variation is exceeded. The abrasion amount of the wheel tread is limited, the service life of the wheel is greatly shortened, and the cost of the whole service life cycle of the vehicle is high.
If the running gear is in failure or the diameter abrasion of the wheel exceeds the limit, the wheel set needs to be disassembled, replaced or maintained, the disassembling process is complicated, the cost is high, and the maintainability is poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a walk capable gear structure and gear vehicle wheel pair aims at solving the above-mentioned problem of walking capable gear structure and gear vehicle wheel pair existence among the prior art.
The utility model discloses a realize like this:
a walking gear structure comprises a first half gear ring, a second half gear ring and a gear hub;
a first mounting piece is arranged on the gear hub, and second mounting pieces are arranged on the second half gear ring and the first half gear ring;
the first half gear ring and the second half gear ring are fixed on the gear hub and combined to form an integral gear;
the axle center of the gear hub is also provided with an installation through hole for matching with an axle.
The utility model discloses an in one embodiment, first installed part for radial protrusion in the outer first mounting disc of gear hub, be provided with first fixed through-hole on the first mounting disc.
The utility model discloses an in one embodiment, the second installed part does first half ring gear or the second half ring gear radially inwards extends's second mounting disc, be provided with on the second mounting disc with the second fixing hole that first fixing hole corresponds.
In one embodiment of the present invention, the gear hub has axially opposed first and second ends;
first installed part sets up first end, the fixed installation section of thick bamboo that is provided with of second end, an installation section of thick bamboo with the coaxial setting of gear hub, just the diameter of an installation section of thick bamboo is greater than the diameter of gear hub.
A gear vehicle wheel set comprises an axle, wheels and the traveling gear structure;
the axle passes through the mounting through hole, and the axle is in interference connection with the gear hub;
the wheels are fixedly arranged at two ends of the axle.
The present invention provides an embodiment, the axle is provided with a third mounting member, the hub is provided with a fourth mounting member, and the fourth mounting member is fixedly connected to the fourth mounting member.
The utility model discloses an in one embodiment, the third installed part is the third mounting disc, be provided with third fixed through hole on the third mounting disc, the third installed part is the fourth mounting disc, be provided with on the fourth mounting disc with the fourth fixed through hole that third fixed through hole corresponds.
The utility model has the advantages that: through the travelling gear structure and the gear vehicle wheel set provided by the utility model, a plurality of groups of split gear ring sets with different reference circle diameters can be pre-designed, when the running abrasion of the wheel reaches the tolerance limit of the meshing of the travelling gear and the rack, another component gear ring set with the reference circle adapted to the running gear is replaced, thus the service life of the wheel is prolonged by about 4 times, and the vehicle application economy is improved; the gear maintenance replaceability is good, when the gear is disassembled, the gear can be disassembled only by disassembling the bolts on the first mounting disc and the second mounting disc, other parts on the axle are not required to be disassembled, more maintenance time and cost are saved, and the tool requirements of a disassembling tool are reduced; the wear of wheels is matched by adopting a plurality of groups of gear sets with different diameters, so that the maintenance frequency of the wheel set of the vehicle is reduced, the maintenance difficulty of the running gear is reduced, and the life cycle cost of the vehicle is greatly reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a first view angle of a wheel set of a gear vehicle provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second view angle of a wheel set of a gear vehicle provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a third perspective of a gear hub according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a fourth view angle of the gear hub according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a complete gear provided by an embodiment of the present invention.
Icon: 010-a running gear structure; 110-a first half ring gear; 130-second half ring gear; 150-gear hub; 011-first end; 013-second end; 151-first mounting plate; 111-a second mounting plate; 123-a sound generating device; 114-a bed leg; 115-a fixation plate; 1511-first fixing through hole; 1111-a second fixing through hole; 170-mounting the barrel; 015-mounting a through hole; 030-axle; 050-wheel.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Example one
The present embodiment provides a running gear structure 010, and referring to fig. 1 and 2, the running gear structure 010 includes a first half ring gear 110, a second half ring gear 130, and a gear hub 150;
the gear hub 150 includes axial first and second ends 011, 013;
referring to fig. 5, a first mounting member is disposed at the first end 011 of the gear hub 150, and second mounting members are disposed on both the second ring half 130 and the first ring half 110; the first half gear ring 110 and the second half gear ring 130 are fixed on the gear hub 150 to form a circular integral gear by the cooperation of the first mount and the second mount, so that the first half gear ring 110 and the second half gear ring 130 are mounted on the first end 011 of the gear hub 150.
Referring to fig. 3 and 4, in the present embodiment, the first mounting member is a first mounting plate 151 protruding radially from the gear hub 150, the first mounting plate 151 and the gear hub 150 are integrally formed, and a plurality of first fixing through holes 1511 are circumferentially formed in the first mounting plate 151.
The inner rings of the first and second ring halves 110, 130 are each provided with a notch, and the second mount is a second mounting plate 111 extending radially inward at the notch. In the present embodiment, the second mounting plate 111 of the first ring gear half 110 is integrally formed with the first ring gear half 110, and the second mounting plate 111 of the second ring gear half 130 is integrally formed with the second ring gear half 130. The second mounting plate 111 is provided with a second fixing through hole 1111 corresponding to the first fixing through hole 1511. The threaded rod of the bolt sequentially passes through the first fixing through hole 1511 and the second fixing through hole 1111 and then is provided with the nut, so that the first half gear ring 110 and the second half gear ring 130 can be fixedly installed on the gear hub 150.
In order to fix the gear hub 150 to the axle 030, a mounting through hole 015 for engaging with the axle 030 is further provided at the axial center of the gear hub 150, the inner diameter of the mounting through hole 015 corresponds to the outer diameter of the axle 030, and the gear hub 150 and the axle 030 can be fixedly connected by interference fit.
A mounting barrel 170 is also provided at the second end 013 of the gear hub 150, the mounting barrel 170 being coaxially disposed with the gear hub 150, and the diameter of the mounting barrel 170 being greater than the diameter of the gear hub 150. The mounting sleeve 170 abuts a corresponding projection on the axle 030 or engages the side of the wheel 050 to ensure that the solid gear is axially fixed.
In the present embodiment, the second half gear ring 130 and the first half gear ring 110 are provided to form an integral gear, in other embodiments, the second half gear ring and the first half gear ring may be subdivided into three-piece gear units, four-piece gear units, or other units, so as to achieve the disassembly of the integral gear, as long as the disassembly and replacement of the gear are facilitated.
In the present embodiment, the second half ring gear 130 and the first half ring gear 110 are provided as semi-circles, and in other embodiments, a combination of 90 ° and 270 °, a combination of 120 ° and 240 °, and the like may be provided as long as a complete circular integral gear can be formed by enclosing.
Through the travelling gear structure 010 provided by the utility model, a plurality of groups of split gear ring sets with different reference circle diameters can be pre-designed, when the running abrasion of the wheel 050 reaches the tolerance limit of the meshing of the travelling gear and the rack, another component gear ring set with the reference circle adapted to the running gear is replaced, so that the service life of the wheel 050 can be prolonged by about 4 times, and the vehicle application economy is improved; the gear maintenance replaceability is good, when the gear is disassembled, the gear can be disassembled only by disassembling the bolts on the first mounting disc 151 and the second mounting disc 111, other parts on the axle 030 do not need to be disassembled, more maintenance time and cost are saved, and the requirement of a disassembling tool is reduced; the wear of the wheels 050 is matched by adopting a plurality of groups of gear sets with different diameters, so that the maintenance frequency of the wheel sets of the vehicle is reduced, the maintenance difficulty of the running gears is reduced, and the life cycle cost of the vehicle is greatly reduced.
Example two
In the present embodiment, a wheel set for a gear vehicle is provided, and referring to fig. 1 and 2, the running gear structure 010 includes an axle 030, wheels 050, and the running gear structure 010 of the first embodiment;
the axle 030 penetrates through the mounting through hole 015, the axle 030 is in interference fit with the gear hub 150, and the wheels 050 are fixedly arranged at two ends of the axle 030.
In order to further fix the gear hub 150 and the axle 030, a third mounting part (not shown in the figure) is further arranged on the axle 030, the third mounting part is a third mounting disc, a third fixing through hole is formed in the third mounting disc, a fourth mounting part is arranged on the gear hub 150 and is a fourth mounting disc, a fourth fixing through hole corresponding to the third fixing through hole is formed in the fourth mounting disc, and the third mounting part and the fourth mounting part are fixedly connected by bolts penetrating through the third fixing through hole and the fourth fixing through hole.
Through the gear vehicle wheel pair provided by the utility model, a plurality of groups of split gear ring groups with different reference circle diameters can be pre-designed, when the running abrasion of the wheel 050 reaches the running gear and rack meshing tolerance limit, another component gear ring group with the reference circle adapted to the running gear and rack is replaced, so that the service life of the wheel 050 can be prolonged by about 4 times, and the vehicle application economy is improved; the gear maintenance replaceability is good, when the gear is disassembled, the gear can be disassembled only by disassembling the bolts on the first mounting disc 151 and the second mounting disc 111, other parts on the axle 030 do not need to be disassembled, more maintenance time and cost are saved, and the requirement of a disassembling tool is reduced; the wear of the wheels 050 is matched by adopting a plurality of groups of gear sets with different diameters, so that the maintenance frequency of the wheel sets of the vehicle is reduced, the maintenance difficulty of the running gears is reduced, and the life cycle cost of the vehicle is greatly reduced.
Through the travelling gear structure 010 provided by the utility model, a plurality of groups of split gear ring sets with different reference circle diameters can be pre-designed, when the running abrasion of the wheel 050 reaches the tolerance limit of the meshing of the travelling gear and the rack, another component gear ring set with the reference circle adapted to the running gear is replaced, so that the service life of the wheel 050 can be prolonged by about 4 times, and the vehicle application economy is improved; the gear maintenance replaceability is good, when the gear is disassembled, the gear can be disassembled only by disassembling the bolts on the first mounting disc 151 and the second mounting disc 111, other parts on the axle 030 do not need to be disassembled, more maintenance time and cost are saved, and the requirement of a disassembling tool is reduced; the wear of the wheels 050 is matched by adopting a plurality of groups of gear sets with different diameters, so that the maintenance frequency of the wheel sets of the vehicle is reduced, the maintenance difficulty of the running gears is reduced, and the life cycle cost of the vehicle is greatly reduced.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A running gear structure is characterized by comprising a first half gear ring, a second half gear ring and a gear hub;
a first mounting piece is arranged on the gear hub, and second mounting pieces are arranged on the second half gear ring and the first half gear ring;
the first half gear ring and the second half gear ring are fixed on the gear hub and combined to form an integral gear;
the axle center of the gear hub is also provided with an installation through hole for matching with an axle.
2. The running gear structure of claim 1, wherein the first mounting member is a first mounting plate projecting radially beyond the hub, the first mounting plate being provided with first fixing through-holes.
3. The running gear structure of claim 2, wherein the second mounting part is a second mounting plate extending radially inwards of the first half ring gear or the second half ring gear, the second mounting plate being provided with second fixing through holes corresponding to the first fixing through holes.
4. The running gear arrangement of claim 1, wherein the gear hub has axially opposed first and second ends;
first installed part sets up first end, the fixed installation section of thick bamboo that is provided with of second end, an installation section of thick bamboo with the coaxial setting of gear hub, just the diameter of an installation section of thick bamboo is greater than the diameter of gear hub.
5. A wheel-set for a wheeled vehicle, characterized by comprising an axle, a wheel and a running gear arrangement according to any one of claims 1-4;
the axle passes through the mounting through hole, and the axle is in interference connection with the gear hub;
the wheels are fixedly arranged at two ends of the axle.
6. The wheel-pair according to claim 5, characterised in that a third mounting element is provided on said axle and a fourth mounting element is provided on said hub, said third mounting element being fixedly connected to said fourth mounting element.
7. The pair of gear vehicle wheels according to claim 6, characterized in that said third mounting element is a third mounting disc provided with a third fixing through hole and said fourth mounting element is a fourth mounting disc provided with a fourth fixing through hole corresponding to said third fixing through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920215583.8U CN209938579U (en) | 2019-02-20 | 2019-02-20 | Walking gear structure and gear vehicle wheel pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920215583.8U CN209938579U (en) | 2019-02-20 | 2019-02-20 | Walking gear structure and gear vehicle wheel pair |
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| Publication Number | Publication Date |
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| CN209938579U true CN209938579U (en) | 2020-01-14 |
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| CN201920215583.8U Active CN209938579U (en) | 2019-02-20 | 2019-02-20 | Walking gear structure and gear vehicle wheel pair |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109625001A (en) * | 2019-02-20 | 2019-04-16 | 中车资阳机车有限公司 | A kind of walking gear structure and gear vehicle wheel pair |
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2019
- 2019-02-20 CN CN201920215583.8U patent/CN209938579U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109625001A (en) * | 2019-02-20 | 2019-04-16 | 中车资阳机车有限公司 | A kind of walking gear structure and gear vehicle wheel pair |
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